FN Thomson Reuters Web of Science™ VR 1.0 PT J AU MCISAAC, GF MITCHELL, JK HUMMEL, JW ELLIOT, WJ AF MCISAAC, GF MITCHELL, JK HUMMEL, JW ELLIOT, WJ TI AN EVALUATION OF UNIT STREAM POWER THEORY FOR ESTIMATING SOIL DETACHMENT AND SEDIMENT DISCHARGE FROM TILLED SOILS SO TRANSACTIONS OF THE ASAE LA English DT Article DE EROSION; MODELING; TILLAGE; SOILS ID EROSION MODEL; TRANSPORT; CAPACITY; TILLAGE; FLOW; CORN AB Unit Stream Power (USP) and the associated Yang (1973) sediment transport equations were compared to soil detachment rates and sediment concentrations in runoff from eroding soils. Although USP was significantly correlated with rill detachment rates, potential energy dissipation rate per unit rill area was a better predictor of soil detachment rates. The Yang (1973) equations estimated sediment concentrations within a factor of 10 of the observed concentrations, if the median soil aggregate diameter was within the range of diameters used by Yang to estimate the equation parameters. When median aggregate sizes were less than 0. 15 mm, the lower limit of Yang's (1973) calibration range, the equations tended to produce unrealistically large estimates of sediment concentration. C1 USDA ARS,CROP PROTECT RES UNIT,URBANA,IL. OHIO STATE UNIV,DEPT AGR ENGN,COLUMBUS,OH 43210. RP MCISAAC, GF (reprint author), UNIV ILLINOIS,DEPT AGR ENGN,URBANA,IL 61801, USA. NR 22 TC 6 Z9 8 U1 1 U2 1 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 535 EP 544 PG 10 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500023 ER PT J AU ROBINSON, KM AF ROBINSON, KM TI PREDICTING STRESS AND PRESSURE AT AN OVERFALL SO TRANSACTIONS OF THE ASAE LA English DT Article DE EROSION; HYDRAULIC SHEAR STRESS; OVERFALL; MODELING AB Hydraulic shear stress and pressure forces have a major influence on the development and movement of a gully headcut or overfall. These forces were measured in a straight drop overfall model, and generalized prediction equations were developed using the dominant hydraulic and geometric parameters. The relatively simple models discussed herein provide a means of predicting the magnitude and variance of stress and pressure on the boundary of an overfall. Reasonable estimates of boundary shear stress allow estimation of headcut movement. RP ROBINSON, KM (reprint author), USDA ARS,PLANT SCI & WATER CONSERVAT LAB,HYDRAUL ENGN RES UNIT,STILLWATER,OK, USA. NR 13 TC 23 Z9 24 U1 0 U2 0 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 561 EP 569 PG 9 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500026 ER PT J AU NELSON, SO LAWRENCE, KC AF NELSON, SO LAWRENCE, KC TI SENSING MOISTURE-CONTENT IN DATES BY RF IMPEDANCE MEASUREMENTS SO TRANSACTIONS OF THE ASAE LA English DT Article DE MOISTURE CONTENT; DATES AB The moisture contents of the flesh and pits of Deglet Noor dates, with flesh moisture contents ranging from 13 to 30%, wet basis, were determined by vacuum oven drying. Impedance measurements at frequencies of 1 and 5 MHz were made on a parallel-plate capacitor with individual whole dates and pitted dates held between the capacitor plates. Moisture content of the dates was related to the impedance measurements by a stepwise multiple regression technique. Linear single-variable models were developed that provide an instantaneous and nondestructive determination of moisture content with standard errors of about 1% moisture content. The technique is recommended for potential development and application in reducing the skilled labor requirements for manual sorting and grading of dates. RP NELSON, SO (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,ATHENS,GA 30613, USA. NR 13 TC 5 Z9 5 U1 0 U2 1 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 591 EP 596 PG 6 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500029 ER PT J AU NELSON, SO LAWRENCE, KC KRASZEWSKI, AW AF NELSON, SO LAWRENCE, KC KRASZEWSKI, AW TI SENSING MOISTURE-CONTENT OF PECANS BY RF IMPEDANCE AND MICROWAVE RESONATOR MEASUREMENTS SO TRANSACTIONS OF THE ASAE LA English DT Article DE SENSORS; PECANS; MOISTURE CONTENT; RADIO FREQUENCY ID DIELECTRIC-PROPERTIES; CORN AB The moisture content of in-shell pecans, Carya illinoensis (Wangenh.) K. Koch, was measured by radio-frequency (RF) impedance measurements of a parallel-plate capacitor with a pecan between the plates and by microwave resonant cavity measurements with a pecan in the resonant cavity. Impedance measurements were also taken on pecan kernel halves. Nuts of six pecan cultivars, four from the United States and two from Israel, with kernel moisture contents ranging from 3 to 11% (w.b.) were included in the study. Although equilibrium moisture contents (m.c.) of pecan kernels and shells differ greatly, and proportions of total nut weight represented by the kernel and shell vary significantly among cultivars, a high correlation was found between total nut m.c. and kernel m.c. Standard errors of calibration (SEC) of 0.6% m.c. and 1.5% m.c. were obtained for determination of entire nut moisture content with electrical measurements on the whole nuts for the RF impedance and microwave cavity measurements, respectively. RF impedance measurements on kernel halves and on the in-shell pecans predicted kernel moisture contents equally well with SEC values of 0.6% m.c for both measurements. RP NELSON, SO (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,ATHENS,GA 30613, USA. NR 14 TC 8 Z9 8 U1 0 U2 2 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 617 EP 623 PG 7 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500033 ER PT J AU NELSON, SO AF NELSON, SO TI CORRELATING DIELECTRIC-PROPERTIES OF SOLIDS AND PARTICULATE SAMPLES THROUGH MIXTURE RELATIONSHIPS SO TRANSACTIONS OF THE ASAE LA English DT Article DE PARTICULATE MATERIALS; DIELECTRIC PROPERTIES; DENSITY; DIELECTRIC MIXTURES ID COMPLEX PERMITTIVITY; DENSITY DEPENDENCE; MOISTURE; SOYBEANS; KERNELS; ENERGY; GRAIN AB Six dielectric mixture equations are presented and evaluated for usefulness in calculating the dielectric properties (relative complex permittivities) of solid materials from measured permittivities of air-particle mixtures consisting of granular and pulverized forms of the solid material. Examples presented are for whole-kernel and ground hard red winter wheat, Triticum aestivum, L. and ground white rice, Oryza sativa, L. The Complex Refractive Index and Landau and Lifshitz, Looyenga mixture equations, and extrapolations of functions of the dielectric properties which are linear with mixture density and consistent with these mixture equations, provide the best estimates of the solid material permittivities. Relationships are also presented for converting dielectric properties of an air-particle mixture at a known density to those of the mixture at an other density. RP NELSON, SO (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,ATHENS,GA 30613, USA. NR 21 TC 32 Z9 32 U1 1 U2 4 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 625 EP 629 PG 5 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500034 ER PT J AU DENG, Y FEDLER, CB AF DENG, Y FEDLER, CB TI MULTILAYERED SOIL EFFECTS ON VERTICAL GROUND-COUPLED HEAT-PUMP DESIGN SO TRANSACTIONS OF THE ASAE LA English DT Article DE ENERGY; HEAT PUMPS; HEAT TRANSFER; MULTILAYERED SOILS ID BOUNDARY-CONDITIONS AB Heat transfer in multi-layered soils with vertical ground-coupled heat pumps was investigated experimentally and numerically. Experiments were conducted to simulate the heat transfer from hot water in a copper tube to a three-layered soil system comprised of coarse sand, clay, and fine sand. A two-dimensional, transient, heat conduction model was also developed and solved numerically. The experimentally measured and computer simulated temperatures agreed well (R2 = 0.95, alpha = 0.001) and the heat transfer rates were found to be discontinuous between soil layers. The coarse sand and the fine sand dissipated over 62 and 27% more heat than the clay, respectively, during 24 hours of operation. Vertical temperature gradients existed between the coarse sand and clay and fine sand and clay layers in the early stage of heat transfer. These temperature gradients decreased as the operation time elapsed due to the vertical heat flow. C1 TEXAS TECH UNIV,DEPT AGR ENGN,LUBBOCK,TX 79409. RP DENG, Y (reprint author), UNIV IDAHO,DEPT AGR ENGN,USDA ARS,BOISE,ID, USA. NR 16 TC 5 Z9 8 U1 0 U2 0 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 687 EP 694 PG 8 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500042 ER PT J AU DULL, GG LEFFLER, RG BIRTH, GS SMITTLE, DA AF DULL, GG LEFFLER, RG BIRTH, GS SMITTLE, DA TI INSTRUMENT FOR NONDESTRUCTIVE MEASUREMENT OF SOLUBLE SOLIDS IN HONEYDEW MELONS SO TRANSACTIONS OF THE ASAE LA English DT Article DE SPECTROPHOTOMETER; TILTING FILTER; NEAR INFRARED; NONDESTRUCTIVE; SOLUBLE SOLIDS; MELON; HONEYDEW AB An instrument, based on near infrared (NIR) reflectance techniques, is described which is capable of determining nondestructively the percent soluble solids (SS) in whole honeydew melons. It uses tilting-interference-filter technology for wavelength scanning and a silicon detector with preamplifier for sensing radiation which has passed through inner melon flesh. The standard error of calibration was 0.82 SS when compared with standard laboratory refractometer measurements. C1 UNIV GEORGIA,DEPT HORT,TIFTON,GA 31793. RP DULL, GG (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,ATHENS,GA 30613, USA. NR 6 TC 48 Z9 55 U1 2 U2 2 PU AMER SOC AGRICULTURAL ENGINEERS PI ST JOSEPH PA 2950 NILES RD, ST JOSEPH, MI 49085-9659 SN 0001-2351 J9 T ASAE JI Trans. ASAE PD MAR-APR PY 1992 VL 35 IS 2 BP 735 EP 737 PG 3 WC Agricultural Engineering SC Agriculture GA JH765 UT WOS:A1992JH76500048 ER PT J AU CRISOSTO, CH GRANTZ, DA MEINZER, FC AF CRISOSTO, CH GRANTZ, DA MEINZER, FC TI EFFECTS OF WATER DEFICIT ON FLOWER OPENING IN COFFEE (COFFEA-ARABICA L) SO TREE PHYSIOLOGY LA English DT Article AB The response of coffee (Coffea arabica L.) floral buds to different water deficits followed by re-irrigation was investigated. Flower opening was stimulated by irrigation after one period of water deficit if predawn leaf water potential declined below -0.8 MPa. Similar stimulation of flowering was observed when less severe but more prolonged water deficits (ca. -0.3 to -0.5 MPa for two weeks) were imposed, even if water deficit was relieved by re-irrigation several times during this period. Consistent results were obtained in the field and in two greenhouse locations. Stimulation of flower opening by water deficit followed by re-irrigation was restricted to buds at the "open white cluster" stage of development (Stage 4). Only buds at this stage exhibited development of secondary xylem. Split-root experiments indicated that a root signal stimulated flower opening, independently of predawn or midday leaf water status. Frequent irrigation to prevent flowering, followed by a controlled water deficit and re-irrigation to stimulate flowering, may represent a practical method to synchronize flowering and shorten the harvest period in leeward coffee production areas in Hawaii. RP CRISOSTO, CH (reprint author), USDA ARS,HAWAIIAN SUGAR PLANTERS ASSOC,AIEA,HI 96701, USA. RI Meinzer, Frederick/C-3496-2012 NR 0 TC 23 Z9 32 U1 1 U2 6 PU HERON PUBLISHING PI VICTORIA PA BOX 5579 STATION B, VICTORIA BC V8R 6S4, CANADA SN 0829-318X J9 TREE PHYSIOL JI Tree Physiol. PD MAR PY 1992 VL 10 IS 2 BP 127 EP 139 PG 13 WC Forestry SC Forestry GA HJ893 UT WOS:A1992HJ89300002 ER PT J AU HAKE, S AF HAKE, S TI UNRAVELING THE KNOTS IN PLANT DEVELOPMENT SO TRENDS IN GENETICS LA English DT Review ID DOMINANT MORPHOLOGICAL MUTANT; TRANSCRIPTION FACTORS; MAIZE; GENE; PROTEIN; HOMEODOMAIN; MORPHOGENESIS; ANTENNAPEDIA; TRANSPOSON; MUTATIONS AB Homeobox genes, first discovered from studies of homeotic mutations in Drosophila, have recently been found in plants. The proteins encoded by homeobox genes thus join the ranks of other animal transcription factors that have plant developmental counterparts, suggesting that even though plant and animal development are very different, regulatory mechanisms that direct development may be shared among all higher eukaryotes. The role of homeobox genes in plants remains elusive; nonetheless, gain-of-function mutations of one homeobox gene, Knotted, profoundly affect development. The phenotype suggests that ectopic expression of Knotted in leaves causes cells to take on alternative fates. RP HAKE, S (reprint author), UNIV CALIF BERKELEY,DEPT PLANT BIOL,USDA ARS,CTR PLANT GENE EXPRESS,800 BUCHANAN ST,ALBANY,CA 94710, USA. NR 47 TC 63 Z9 65 U1 1 U2 4 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0168-9525 J9 TRENDS GENET JI Trends Genet. PD MAR PY 1992 VL 8 IS 3 BP 109 EP 114 DI 10.1016/0168-9525(92)90065-C PG 6 WC Genetics & Heredity SC Genetics & Heredity GA HH259 UT WOS:A1992HH25900008 PM 1349773 ER PT J AU SCHARPF, RF ROTH, LF AF SCHARPF, RF ROTH, LF TI RESISTANCE OF PONDEROSA PINE TO WESTERN DWARF MISTLETOE IN CENTRAL OREGON SO USDA FOREST SERVICE PACIFIC SOUTHWEST RESEARCH STATION RESEARCH PAPER LA English DT Article DE RESISTANCE; PINUS-PONDEROSA; ARCEUTHOBIUM-CAMPYLOPODUM; PARASITIC PLANTS; CONIFER DISEASES AB Ponderosa pines with little or no dwarf mistletoe in infested stands on the Deschutes, Ochoco, and Rogue River National Forests in Oregon were tested for resistance to dwarf mistletoe (Arceuthobium campylopodum). Small trees produced by grafting scions from the resistant and susceptible candidates onto seedling rootstock were planted in 1967-69 beneath a heavily infested stand of ponderosa pine in central Oregon. Between 12 and 15 grafted trees from each of 30 resistant parent selections and about the same number from each of eight susceptible parents were included in a replicated, randomized planting. Also included as controls were about 125 ungrafted seedlings. In 1989, fewer than half of the resistant grafts from selections from the Deschutes and Ochoco National Forests were infected, and the average level of infection per tree was verv low. Mortality among the resistant selections was also low over the test period. About 85 percent of all Rogue River grafts, the susceptible grafts, and the seedlings were infected during the test period. Few Rogue River grafts died, but 52 percent of the susceptible grafts and seedlings died in comparison to 24 percent of the resistant trees. Size of the test trees, foliar habit, and crown characteristics were not found to be correlated with resistance. High levels of resistance to dwarf mistletoe are present in some native ponderosa pines in central Oregon. RP SCHARPF, RF (reprint author), US FOREST SERV,PACIFIC SW RES STN,FOREST DIS RES UNIT,BERKELEY,CA 94701, USA. NR 0 TC 0 Z9 0 U1 0 U2 2 PU USDA FOREST SERVICE PI BERKELEY PA PACIFIC SOUTHWEST RESEARCH STN PO BOX 245, BERKELEY, CA 94701 SN 0363-5988 J9 USDA FOR SERV PSW R JI USDA For. Serv. Pac. Southwest Res. Stn. Res. Pap. PD MAR PY 1992 IS 208 BP 1 EP 9 PG 9 WC Forestry SC Forestry GA HW919 UT WOS:A1992HW91900001 ER PT J AU MARKSTROM, DC GJOVIK, LR AF MARKSTROM, DC GJOVIK, LR TI SERVICE LIFE OF TREATED AND UNTREATED BLACK HILLS PONDEROSA PINE FENCEPOSTS SO USDA FOREST SERVICE ROCKY MOUNTAIN FOREST AND RANGE EXPERIMENT STATION RESEARCH PAPER LA English DT Article AB Service-life tests indicate that ponderosa pine fenceposts treated with preservatives performed well after field exposure of 30 years. Treating plants in the Black Hills area used commercial methods to treat the posts with creosote, pentachlorophenol, and waterborne arsenicals. Test sites were in the northern Great Plains-one in the semi-arid western portion near Scenic, South Dakota, the other in the more humid eastern portion near Brookings. The annual service cost of the untreated posts ranged from $1.06 to $1.18 per post depending upon test plot location. The lowest annual cost of the treated posts was $0.85 per post. RP MARKSTROM, DC (reprint author), COLORADO STATE UNIV,ROCKY MT FOREST & RANGE EXPTL STN,FT COLLINS,CO 80523, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU ROCKY MT FOREST RANGE EXPERIMENT STATION PI FT COLLINS PA 3825 EAST MULBERRY ST, FT COLLINS, CO 80524-8597 SN 0502-5001 J9 USDA FOR SERV RM RES JI USDA For. Serv. Rocky Mt. For. Range Exp Stn. Res. Pap. PD MAR PY 1992 IS RM-300 BP 1 EP 9 PG 9 WC Forestry SC Forestry GA HV943 UT WOS:A1992HV94300001 ER PT J AU LILLEHOJ, HS CHUNG, KS AF LILLEHOJ, HS CHUNG, KS TI POSTNATAL-DEVELOPMENT OF LYMPHOCYTE-T SUBPOPULATIONS IN THE INTESTINAL INTRAEPITHELIUM AND LAMINA PROPRIA IN CHICKENS SO VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY LA English DT Article ID DENDRITIC EPIDERMAL-CELLS; GAMMA-DELTA-RECEPTORS; ANTIGEN RECEPTOR; EXPRESSION; IDENTIFICATION; EPITHELIUM; COMPLEX; POPULATION; ONTOGENY; ANTIBODY AB Postnatal development of various T-lymphocyte subpopulations expressing CD3, CD8, CD4, and antigen-specific TCR heterodimers-alpha-beta (TCR2) or gamma-delta (TCR1) was investigated in two different inbred chicken strains, SC and TK. The ratios of jejunum T-cells expressing TCR1 to TCR2 in the intraepithelium of SC and TK strains gradually increased after hatching and were 3.40 and 4.28 by 12 weeks in TK and SC chickens respectively. The ratios of TCR1+ to TCR2+-cells in intraepithelium and the lamina propria in SC chickens were 0.96 and 1.23 at 8 weeks and 4.29 and 2.15 at 12 weeks, respectively. Jejunum intraepithelial lymphocytes expressing the CD8 antigen increased gradually until 4-6 weeks of age and subsequently declined as chickens aged. CD4+-cells represented a minor subpopulation among the intestinal lymphocyte subpopulations. Therefore, the composition of various T-cell subpopulations in the intestine depended upon host age, the regions of the gut examined and host genetic background. These results suggest that changes in T-cell subpopulations in the intestine may reflect age-related maturation of the gut-associated lymphoid tissues. RP LILLEHOJ, HS (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,PROTOZOAN DIS LAB,BELTSVILLE,MD 20705, USA. NR 39 TC 77 Z9 84 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0165-2427 J9 VET IMMUNOL IMMUNOP JI Vet. Immunol. Immunopathol. PD MAR PY 1992 VL 31 IS 3-4 BP 347 EP 360 DI 10.1016/0165-2427(92)90021-H PG 14 WC Immunology; Veterinary Sciences SC Immunology; Veterinary Sciences GA HN747 UT WOS:A1992HN74700012 PM 1350386 ER PT J AU SCHOLL, PJ GUILLOT, FS WANG, GT AF SCHOLL, PJ GUILLOT, FS WANG, GT TI MOXIDECTIN - SYSTEMIC ACTIVITY AGAINST COMMON CATTLE GRUBS (HYPODERMA-LINEATUM) (DIPTERA, OESTRIDAE) AND TRICHOSTRONGYLE NEMATODES IN CATTLE SO VETERINARY PARASITOLOGY LA English DT Article AB Moxidectin, a systemic insecticide, was evaluated for its efficacy against the migrating first instars of the common cattle grub, Hypoderma lineatum, and against nematode egg production in beef cattle. It was observed that all three levels (0. 1, 0.2 and 0.4 mg moxidectin kg-1) were 100% effective against cattle grubs when administered as a s.c. injection. The same levels of treatment were very effective (90-100%) in reducing trichostrongyle nematode egg production. However, there was a slight indication that at least one species, Cooperia oncophora, was not completely eliminated, as it was observed that small numbers of eggs began to appear after 2 weeks post-treatment when there had been no opportunity for reinfection. RP SCHOLL, PJ (reprint author), USDA ARS,KNIPLING BUSHLAND US LIVESTOCK INSECTS RES LAB,POB 232,KERRVILLE,TX 78029, USA. NR 4 TC 43 Z9 43 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-4017 J9 VET PARASITOL JI Vet. Parasitol. PD MAR PY 1992 VL 41 IS 3-4 BP 203 EP 209 DI 10.1016/0304-4017(92)90080-S PG 7 WC Parasitology; Veterinary Sciences SC Parasitology; Veterinary Sciences GA HN313 UT WOS:A1992HN31300004 PM 1502783 ER PT J AU GAMBLE, HR ZAJAC, AM AF GAMBLE, HR ZAJAC, AM TI RESISTANCE OF ST-CROIX LAMBS TO HAEMONCHUS-CONTORTUS IN EXPERIMENTALLY AND NATURALLY ACQUIRED INFECTIONS SO VETERINARY PARASITOLOGY LA English DT Article ID TRICHOSTRONGYLUS-COLUBRIFORMIS LARVAE; MAST-CELLS; SHEEP; VACCINATION; MUCUS AB Parasitological and immunological parameters of experimental or naturally acquired infections with Haemonchus contortus were compared in St. Croix and Dorset lambs. In experimental infections, St. Croix lambs developed significantly greater levels of resistance to H. contortus, following primary exposure, as compared with Dorset lambs. This resistance was influenced both by age and by prior exposure to parasites. In grazing experiments on H. contortus-infected pasture, St. Croix lambs shed significantly fewer eggs as early as 5 weeks following initial exposure. Further, St. Croix lambs had more than 99% fewer worms in the abomasum at necropsy compared with age-matched Dorset lambs. Lymphoproliferative assays using peripheral blood mononuclear cells and antigen-specific serological tests demonstrated only minor differences in immune responsiveness between the two breeds despite the dramatic parasitological differences. Similarly, abomasal mucus from both breeds had elevated levels of parasite-specific antibodies and contained substances mediating larval paralysis. In contrast, St. Croix lambs which had become resistant to nematode infection had dramatically higher numbers of globule leukocytes in the abomasal mucosa compared with Dorset lambs. C1 VIRGINIA POLYTECH INST & STATE UNIV,VIRGINIA MARYLAND REG COLL VET MED,BLACKSBURG,VA 24061. RP GAMBLE, HR (reprint author), USDA,HELMINTH DIS LAB,BLDG 1040 ROOM 2,BARC E,BELTSVILLE,MD 20705, USA. NR 19 TC 77 Z9 77 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-4017 J9 VET PARASITOL JI Vet. Parasitol. PD MAR PY 1992 VL 41 IS 3-4 BP 211 EP 225 DI 10.1016/0304-4017(92)90081-J PG 15 WC Parasitology; Veterinary Sciences SC Parasitology; Veterinary Sciences GA HN313 UT WOS:A1992HN31300005 PM 1502784 ER PT J AU YOUNG, LB AF YOUNG, LB TI JUSTICE SCALIA HISTORY AND TRADITION - THE CHIEF NIGHTMARE IN PROFESSOR TRIBES ANXIETY CLOSET SO VIRGINIA LAW REVIEW LA English DT Article ID FREE EXERCISE C1 USDA,OFF GEN COUNSEL,WASHINGTON,DC 20250. NR 59 TC 7 Z9 7 U1 0 U2 1 PU UNIV VIRGINIA PI CHARLOTTESVILLE PA SCHOOL LAW, CHARLOTTESVILLE, VA 22901 SN 0042-6601 J9 VA LAW REV JI VA. Law Rev. PD MAR PY 1992 VL 78 IS 2 BP 581 EP 622 DI 10.2307/1073369 PG 42 WC Law SC Government & Law GA HL727 UT WOS:A1992HL72700004 ER PT J AU PINCUS, S MASON, PW KONISHI, E FONSECA, BAL SHOPE, RE RICE, CM PAOLETTI, E AF PINCUS, S MASON, PW KONISHI, E FONSECA, BAL SHOPE, RE RICE, CM PAOLETTI, E TI RECOMBINANT VACCINIA VIRUS PRODUCING THE PRM AND E-PROTEINS OF YELLOW-FEVER VIRUS PROTECTS MICE FROM LETHAL YELLOW-FEVER ENCEPHALITIS SO VIROLOGY LA English DT Article ID MONOCLONAL-ANTIBODIES; JAPANESE ENCEPHALITIS; DENGUE-2 VIRUS; STRUCTURAL GLYCOPROTEIN; NONSTRUCTURAL PROTEIN-NS1; PASSIVE TRANSFER; IMMUNIZATION; NS1; EXPRESSION; ENVELOPE C1 VIROGENET CORP,465 JORDAN RD,RENSSELAER TECHNOL PK,TROY,NY 12180. USDA ARS,PLUM ISL ANIM DIS CTR,GREENPORT,NY 11944. WASHINGTON UNIV,SCH MED,DEPT MOLEC MICROBIOL,ST LOUIS,MO 63110. YALE UNIV,SCH MED,DEPT EPIDEMIOL & PUBL HLTH,YALE ARBOVIRUS RES UNIT,NEW HAVEN,CT 06510. FU NIAID NIH HHS [AI 10987-17] NR 46 TC 86 Z9 90 U1 0 U2 1 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0042-6822 J9 VIROLOGY JI Virology PD MAR PY 1992 VL 187 IS 1 BP 290 EP 297 DI 10.1016/0042-6822(92)90317-I PG 8 WC Virology SC Virology GA HD628 UT WOS:A1992HD62800029 PM 1736531 ER PT J AU DOBROWOLSKI, JP BLACKBURN, WH PEARSON, HA AF DOBROWOLSKI, JP BLACKBURN, WH PEARSON, HA TI CHANGES TO INFILTRATION AND INTERRILL EROSION FROM LONG-TERM PRESCRIBED BURNING IN LOUISIANA SO WATER RESOURCES BULLETIN LA English DT Article DE PRESCRIBED BURNING; INFILTRATION; EROSION; WATERSHED MANAGEMENT; FOREST HYDROLOGY; FOREST MANAGEMENT ID SEDIMENT PRODUCTION; PIEDMONT AB Effects of long-term prescribed burning on infiltration and interrill erosion were assessed on two longleaf pine-bluestem sites in Louisiana. Treatments represented biennially-applied winter, spring, or summer burning on an upland sandy loam site for 20 years; and annual winter or spring, and biennial winter or spring burns on a bottomland silt loam site for 10 years, with unburned controls. Immediate effects of burning were a reduction in surface cover, exposing soil to raindrop impact. Burning the sandy loam site increased interrill erosion after winter and spring treatments, but produced no immediate changes in infiltration capacity or time to runoff irrespective of treatment season. Rapid recovery of understory vegetation mitigated soil exposure. Biennial burning did not increase interrill erosion, or reduce infiltration capacity and time to runoff on the sandy loam site after 20 years. A complete herbaceous understory covered the silt loam site two years after treatment. Interrill erosion was not significantly increased, or infiltration capacity and time to runoff decreased on burning treatments than unburned controls on the silt loam site. Litter biomass was important in predicting interrill erosion. No surface cover condition could be linked to variability in infiltration capacity. This study provides evidence for the resiliency of a longleaf pine-bluestem association to prescribed burning. C1 UTAH STATE UNIV,WATERSHED SCI UNIT,LOGAN,UT 84322. USDA ARS,NW WATERSHED RES CTR,BOISE,ID 83705. US FOREST SERV,PINEVILLE,LA 71360. RP DOBROWOLSKI, JP (reprint author), UTAH STATE UNIV,DEPT RANGE SCI,LOGAN,UT 84322, USA. NR 54 TC 4 Z9 4 U1 0 U2 2 PU AMER WATER RESOURCES ASSOC PI HERNDON PA 950 HERNDON PARKWAY SUITE 300, HERNDON, VA 20170-5531 SN 0043-1370 J9 WATER RESOUR BULL JI Water Resour. Bull. PD MAR-APR PY 1992 VL 28 IS 2 BP 287 EP 298 PG 12 WC Engineering, Civil; Geosciences, Multidisciplinary; Water Resources SC Engineering; Geology; Water Resources GA JF797 UT WOS:A1992JF79700004 ER PT J AU LISLE, TE HILTON, S AF LISLE, TE HILTON, S TI THE VOLUME OF FINE SEDIMENT IN POOLS - AN INDEX OF SEDIMENT SUPPLY IN GRAVEL-BED STREAMS SO WATER RESOURCES BULLETIN LA English DT Article DE FINE SEDIMENT; SEDIMENT SUPPLY; POOLS; CHANNEL CONDITION; BEDLOAD; EROSION; SEDIMENTATION; WATER QUALITY MONITORING ID AGGRADATION AB During waning flood flows in gravel-bed streams, fine-grained bedload sediment (sand and fine gravel) is commonly winnowed from zones of high shear stress, such as riffles, and deposited in pools, where it mantles an underlying coarse layer. As sediment load increases, more fine sediment becomes available to fill pools. The volume of fine sediment in pools can be measured by probing with a metal rod, and, when expressed as the fraction (V*) of scoured residual pool volume (residual pool volume with fine sediment removed), can be used as an index of the supply of mobile sediment in a stream channel. Mean values of V* were as high as 0.5 and correlated with qualitative evaluations of sediment supply in eight tributaries of the Trinity River, northwestern California. Fine-sediment volume correlated strongly with scoured pool volume in individual channels, but plots of V* versus pool volume and water surface slope revealed secondary variations in fines volume. In sediment-rich channels, V* correlated positively with scoured pool volume; in sediment-poor channels, V* correlated negatively with water-surface slope. Measuring fine sediment in pools can be a practical method to evaluate and monitor the supply of mobile sediment in gravel-bed streams and to detect and evaluate sediment inputs along a channel network. RP LISLE, TE (reprint author), US FOREST SERV,PACIFIC SW FOREST & RANGE EXPT STN,1700 BAYVIEW DR,ARCATA,CA 95521, USA. NR 25 TC 115 Z9 115 U1 2 U2 14 PU AMER WATER RESOURCES ASSOC PI HERNDON PA 950 HERNDON PARKWAY SUITE 300, HERNDON, VA 20170-5531 SN 0043-1370 J9 WATER RESOUR BULL JI Water Resour. Bull. PD MAR-APR PY 1992 VL 28 IS 2 BP 371 EP 383 PG 13 WC Engineering, Civil; Geosciences, Multidisciplinary; Water Resources SC Engineering; Geology; Water Resources GA JF797 UT WOS:A1992JF79700013 ER PT J AU ROCKWOOD, SV WHITING, RM AF ROCKWOOD, SV WHITING, RM TI ESTIMATING WATERFOWL HUNTER-TRIPS USING A CAPTURE-RECAPTURE TECHNIQUE SO WILDLIFE SOCIETY BULLETIN LA English DT Article C1 STEPHEN F AUSTIN STATE UNIV, SCH FORESTRY, USDA FOREST SERV, SO FOREST EXPT STN, NACOGDOCHES, TX 75962 USA. NR 12 TC 1 Z9 1 U1 0 U2 0 PU WILEY-BLACKWELL PI HOBOKEN PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA SN 1938-5463 J9 WILDLIFE SOC B JI Wildl. Soc. Bull. PD SPR PY 1992 VL 20 IS 1 BP 15 EP 20 PG 6 WC Biodiversity Conservation SC Biodiversity & Conservation GA HJ573 UT WOS:A1992HJ57300002 ER PT J AU LINHART, SB DASCH, GJ AF LINHART, SB DASCH, GJ TI IMPROVED PERFORMANCE OF PADDED JAW TRAPS FOR CAPTURING COYOTES SO WILDLIFE SOCIETY BULLETIN LA English DT Article ID STEEL FOOTHOLD TRAPS; EFFICIENCY; INJURIES; DEVICES C1 USDA,DENVER WILDLIFE RES CTR,DENVER,CO 80225. NR 10 TC 26 Z9 27 U1 1 U2 3 PU WILDLIFE SOC PI BETHESDA PA 5410 GROSVENOR LANE, BETHESDA, MD 20814-2197 SN 0091-7648 J9 WILDLIFE SOC B JI Wildl. Soc. Bull. PD SPR PY 1992 VL 20 IS 1 BP 63 EP 66 PG 4 WC Biodiversity Conservation SC Biodiversity & Conservation GA HJ573 UT WOS:A1992HJ57300009 ER PT J AU SCHULZ, TT JOYCE, LA AF SCHULZ, TT JOYCE, LA TI A SPATIAL APPLICATION OF A MARTEN HABITAT MODEL SO WILDLIFE SOCIETY BULLETIN LA English DT Article ID INFORMATION-SYSTEMS; PATTERNS RP SCHULZ, TT (reprint author), US FOREST SERV,ROCKY MT FOREST & RANGE EXPT STN,240 W PROSPECT ST,FT COLLINS,CO 80526, USA. NR 19 TC 22 Z9 22 U1 0 U2 0 PU WILDLIFE SOC PI BETHESDA PA 5410 GROSVENOR LANE, BETHESDA, MD 20814-2197 SN 0091-7648 J9 WILDLIFE SOC B JI Wildl. Soc. Bull. PD SPR PY 1992 VL 20 IS 1 BP 74 EP 83 PG 10 WC Biodiversity Conservation SC Biodiversity & Conservation GA HJ573 UT WOS:A1992HJ57300011 ER PT J AU HEALY, WM WELSH, CJE AF HEALY, WM WELSH, CJE TI EVALUATING LINE TRANSECTS TO MONITOR GRAY SQUIRREL POPULATIONS SO WILDLIFE SOCIETY BULLETIN LA English DT Article ID RED RP HEALY, WM (reprint author), US FOREST SERV,NE FOREST EXPT STN,AMHERST,MA 01003, USA. NR 18 TC 7 Z9 7 U1 2 U2 16 PU WILDLIFE SOC PI BETHESDA PA 5410 GROSVENOR LANE, BETHESDA, MD 20814-2197 SN 0091-7648 J9 WILDLIFE SOC B JI Wildl. Soc. Bull. PD SPR PY 1992 VL 20 IS 1 BP 83 EP 90 PG 8 WC Biodiversity Conservation SC Biodiversity & Conservation GA HJ573 UT WOS:A1992HJ57300012 ER PT J AU DULIK, DM HUWE, JK BAKKE, JE CONNORS, MS FENSELAU, C AF DULIK, DM HUWE, JK BAKKE, JE CONNORS, MS FENSELAU, C TI CONJUGATION OF POLYCHLORINATED AGROCHEMICAL SULFOXIDES AND SULFONES BY GLUTATHIONE SO XENOBIOTICA LA English DT Article ID S-TRANSFERASES; METABOLISM; MECHANISM; RAT AB 1. Pentachlorophenyl methyl sulphoxide and pentachlorophenyl methyl sulphone were found to be substrates for microsomal and cytosolic glutathione-S-transferase of rabbit, monkey, chicken and human liver, covalently immobilized on beaded sepharose. 2. Protein was immobilized with > 95% transferase activity, measured by dinitrochlorobenzene. Immobilized rabbit liver microsomal transferase activity was more stable than immobilized cytosolic activity. 3. The sulphoxide moiety was displayed by glutathione in the presence of chicken liver microsomal protein. The sulphone moiety was displayed by glutathione in the formation of a diglutathione under catalysis by rhesus monkey liver cytosolic and microsomal protein. 4. Chlorine was displaced by transferases from all species to form regioisomeric monoglutathiones. 5. Qualitative and quantitative differences were observed in product distributions between species and between microsomal and cytosolic protein. C1 USDA ARS,BIOSCI RES LAB,FARGO,ND 58105. JOHNS HOPKINS UNIV,SCH MED,DEPT PHARMACOL & MOLEC SCI,BALTIMORE,MD 21205. FU NIGMS NIH HHS [GM-21248] NR 24 TC 3 Z9 3 U1 0 U2 0 PU TAYLOR & FRANCIS LTD PI LONDON PA ONE GUNDPOWDER SQUARE, LONDON, ENGLAND EC4A 3DE SN 0049-8254 J9 XENOBIOTICA JI Xenobiotica PD MAR PY 1992 VL 22 IS 3 BP 325 EP 334 PG 10 WC Pharmacology & Pharmacy; Toxicology SC Pharmacology & Pharmacy; Toxicology GA HM594 UT WOS:A1992HM59400007 PM 1496823 ER PT J AU ANDERSEN, MK CAPERNA, TJ MCCORMICK, RJ AF ANDERSEN, MK CAPERNA, TJ MCCORMICK, RJ TI PORCINE SOMATOTROPIN (PST) ALTERS INTRAMUSCULAR COLLAGEN CROSS-LINKING OF GROWING PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV WYOMING,DEPT AN SCI,LARAMIE,WY 82071. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 5 Z9 5 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1942 EP A1942 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101989 ER PT J AU APGAR, J KRAMER, T SMITH, JC AF APGAR, J KRAMER, T SMITH, JC TI SODIUM REQUIREMENT OF PREGNANT GUINEA-PIG - NOTE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,ITHACA,NY 14853. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1666 EP A1666 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100389 ER PT J AU BECKMAN, M JOHNSON, J GOFF, J REINHARDT, T BEITZ, D HORST, R AF BECKMAN, M JOHNSON, J GOFF, J REINHARDT, T BEITZ, D HORST, R TI CALCIUM DEFICIENCY REGULATES THE EXPRESSION OF VITAMIN D-DEPENDENT GENES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. IOWA STATE UNIV SCI & TECHNOL,AMES,IA 50011. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1954 EP A1954 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102054 ER PT J AU BEERMANN, DH MCMURTRY, JP HELFERICH, WG GRANT, AL BYREM, TM KRICK, BJ BOYD, RD AF BEERMANN, DH MCMURTRY, JP HELFERICH, WG GRANT, AL BYREM, TM KRICK, BJ BOYD, RD TI EFFECTS OF DIETARY-PROTEIN INTAKE AND EXOGENOUS PORCINE SOMATOTROPIN ON SKELETAL-MUSCLE GROWTH, PLASMA IGF-1 CONCENTRATIONS AND SKELETAL-MUSCLE GENE-EXPRESSION IN 20 TO 60 KG PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 CORNELL UNIV,ITHACA,NY 14853. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. MICHIGAN STATE UNIV,E LANSING,MI 48824. PURDUE UNIV,W LAFAYETTE,IN 47907. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1938 EP A1938 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101962 ER PT J AU BHATHENA, SJ LAW, JS CASTRO, JS MICHAELIS, O WERMAN, MJ AF BHATHENA, SJ LAW, JS CASTRO, JS MICHAELIS, O WERMAN, MJ TI EFFECTS OF LIPID LOWERING DRUGS PROBUCOL AND LOPID ON PLASMA HORMONES IN OBESE SHR/N-CP RAT SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BHNRC,CNL,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1677 EP A1677 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100451 ER PT J AU BRICKER, BJ HALLING, SM AF BRICKER, BJ HALLING, SM TI IDENTIFICATION OF BRUCELLA SPECIES BY THE POLYMERASE CHAIN-REACTION SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1624 EP A1624 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100141 ER PT J AU BROWNBORG, HM KLEMCKE, HG BORG, KE KLINDT, J AF BROWNBORG, HM KLEMCKE, HG BORG, KE KLINDT, J TI PROLACTIN (PRL) AND GROWTH-HORMONE (GH) METABOLIC-CLEARANCE RATE (MCR) DETERMINATIONS AT 2 AGES IN NEONATAL PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,US MEAT ANIM RES CTR,CLAY CTR,NE 68933. NR 1 TC 0 Z9 0 U1 1 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1745 EP A1745 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100846 ER PT J AU BRYANT, JD CHATZIDAKIS, C FAILLA, ML BIERI, JG SMITH, JC AF BRYANT, JD CHATZIDAKIS, C FAILLA, ML BIERI, JG SMITH, JC TI STUDIES OF INVIVO ANTIOXIDANT ACTIVITY OF CAROTENOIDS USING CHICKS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1657 EP A1657 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100334 ER PT J AU BURRI, BJ NEIDLINGER, TR DIXON, Z AF BURRI, BJ NEIDLINGER, TR DIXON, Z TI COMPARISON OF INDEXES OF VITAMIN-A AND IRON STATUS IN HEALTHY-ADULTS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1783 EP A1783 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101063 ER PT J AU BURRIN, DG DUDLEY, MA SHULMAN, RJ NICHOLS, BL AF BURRIN, DG DUDLEY, MA SHULMAN, RJ NICHOLS, BL TI FEEDING PORCINE COLOSTRUM ALTERS JEJUNAL LACTASE ACTIVITY AND RELATIVE ISOFORM ABUNDANCE IN NEONATAL PIGLETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,DEPT PEDIAT,CHILDRENS NUTR RES CTR,USDA ARS,HOUSTON,TX 77030. NR 0 TC 4 Z9 4 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1958 EP A1958 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102078 ER PT J AU CAMPBELL, WW CRIM, MC JOSEPH, LJ YOUNG, VR EVANS, WJ AF CAMPBELL, WW CRIM, MC JOSEPH, LJ YOUNG, VR EVANS, WJ TI PROTEIN-TURNOVER IN YOUNG AND OLDER MEN RELATED TO FAT FREE MASS AND MUSCLE MASS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. MIT,CLIN RES CTR,CAMBRIDGE,MA 02139. NR 0 TC 3 Z9 3 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1942 EP A1942 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101985 ER PT J AU CAPERNA, TJ GAVELEK, D VOSSOUGHI, J RYABY, JT MAGEE, FP AF CAPERNA, TJ GAVELEK, D VOSSOUGHI, J RYABY, JT MAGEE, FP TI INFLUENCE OF PORCINE SOMATOTROPIN (PST) AND MAGNETIC-FIELDS ON NA-K, MG AND CA ATPASES IN TISSUES OF FEMALE PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 ORTHOL CORP,PHOENIX,AZ 85034. UNIV DIST COLUMBIA,WASHINGTON,DC 20008. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1964 EP A1964 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102111 ER PT J AU CIFRIAN, E GUIDRY, AJ AF CIFRIAN, E GUIDRY, AJ TI ISOLATION AND CULTURE OF BOVINE MAMMARY-GLAND EPITHELIAL-CELLS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,MILK SECRET & MASTITIS LAB,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1835 EP A1835 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101364 ER PT J AU COCHARY, EF PAULSON, KE AF COCHARY, EF PAULSON, KE TI NUTRITIONAL REGULATION AND LOCALIZATION OF LIPOGENIC GENE-EXPRESSION IN MOUSE-LIVER SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1668 EP A1668 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100397 ER PT J AU DAVIS, TA FIOROTTO, ML NGUYEN, HV REEDS, PJ AF DAVIS, TA FIOROTTO, ML NGUYEN, HV REEDS, PJ TI AFTER REFEEDING, MUSCLE PROTEIN-SYNTHESIS INCREASES MORE IN YOUNG SUCKLED RATS THAN IN OLDER SUCKLED OR WEANED RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,USDA,CHILDRENS NUTR RES CTR,DEPT PEDIAT,HOUSTON,TX 77030. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1942 EP A1942 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101988 ER PT J AU DIXON, ZR BURRI, BJ NEIDLINGER, TR AF DIXON, ZR BURRI, BJ NEIDLINGER, TR TI DIETARY VITAMIN-A, RETINOL-BINDING PROTEIN (RBP), AND RELATIVE DOSE-RESPONSE (RDR) AS MEASURES OF VITAMIN A STATUS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1662 EP A1662 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100361 ER PT J AU DOMBRINKKURTZMAN, MA BENNETT, GA RICHARD, JL AF DOMBRINKKURTZMAN, MA BENNETT, GA RICHARD, JL TI AVIAN LYMPHOCYTES AS INVITRO MODELS TO PREDICT FUMONISIN CYTOTOXICITY SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. NR 0 TC 3 Z9 3 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A2007 EP A2007 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102362 ER PT J AU DOUGHERTY, RM IACONO, JM AF DOUGHERTY, RM IACONO, JM TI DIETARY LAURIC ACID HAS SIMILAR EFFECTS ON BLOOD CHOLESTEROL AS PALMITIC ACID IN NATURAL DIETS IN MAN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1680 EP A1680 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100467 ER PT J AU DUFFY, JY WHITE, ME AZAIN, MJ RAMSAY, TG AF DUFFY, JY WHITE, ME AZAIN, MJ RAMSAY, TG TI INDUCTION OF IGF-I, IGF-II, AND IGFBP-3 MESSENGER-RNA BY EXOGENOUS GROWTH-HORMONE IN PORCINE TISSUES SO FASEB JOURNAL LA English DT Meeting Abstract C1 OHIO STATE UNIV,COLUMBUS,OH 43210. UNIV GEORGIA,ATHENS,GA 30602. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 3 Z9 3 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1963 EP A1963 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102108 ER PT J AU ELLWOOD, KC CHATZIDAKIS, C FAILLA, ML AF ELLWOOD, KC CHATZIDAKIS, C FAILLA, ML TI FRUCTOSE UTILIZATION BY CACO-2 CELLS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BHNRC,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1668 EP A1668 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100395 ER PT J AU FINLEY, JW JOHNSON, PE JOHNSON, LK AF FINLEY, JW JOHNSON, PE JOHNSON, LK TI A COMPARTMENTAL MODEL OF MANGANESE METABOLISM IN RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 4 Z9 4 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1947 EP A1947 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102013 ER PT J AU FIOROTTO, ML DAVIS, TA PEREZ, M BURRIN, DG REEDS, PJ AF FIOROTTO, ML DAVIS, TA PEREZ, M BURRIN, DG REEDS, PJ TI PROTEIN-TURNOVER IN SKELETAL-MUSCLE OF THE UNDERNOURISHED RAT PUP SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,DEPT PEDIAT,CHILDRENS NUTR RES CTR,USDA ARS,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1964 EP A1964 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102112 ER PT J AU FLEET, JC HOCK, JM AF FLEET, JC HOCK, JM TI IDENTIFICATION OF OSTEOCALCIN MESSENGER-RNA IN NON-OSTEOID TISSUES USING RT-PCR SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HNRCA,BOSTON,MA 02111. TUFTS UNIV,SCH DENT MED,BOSTON,MA 02111. VA OPC,BOSTON,MA 02111. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1949 EP A1949 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102023 ER PT J AU FORMAN, MR YONG, L LANZA, E GRAUBARD, B BEECHER, G BROWN, E SMITH, J MANGELS, AR AF FORMAN, MR YONG, L LANZA, E GRAUBARD, B BEECHER, G BROWN, E SMITH, J MANGELS, AR TI DIETARY DETERMINANTS OF PLASMA CAROTENOIDS - APPLICATION OF A CAROTENOID FOOD COMPOSITION DATA-BASE SO FASEB JOURNAL LA English DT Meeting Abstract C1 NCI,DCPC,BELTSVILLE,MD 20705. USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1792 EP A1792 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101114 ER PT J AU GRINKER, JA RUSH, D TUCKER, K VOKONAS, PS AF GRINKER, JA RUSH, D TUCKER, K VOKONAS, PS TI WEIGHT STABILITY IN OBESE AND NORMAL WEIGHT MALE-VOLUNTEERS IN THE VA NAS STUDY SO FASEB JOURNAL LA English DT Meeting Abstract C1 VA OPC,BOSTON,MA 02114. UNIV MICHIGAN,SCH PUBL HLTH,ANN ARBOR,MI 48109. TUFTS UNIV,USDA,HNRC,BOSTON,MA 02111. RI Tucker, Katherine/A-4545-2010 NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1674 EP A1674 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100432 ER PT J AU HAUSMAN, GJ WATSON, R LATIMER, AM AF HAUSMAN, GJ WATSON, R LATIMER, AM TI ENDOCRINE REGULATION OF FETAL ADIPOSE-TISSUE DEVELOPMENT SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,ATHENS,GA 30613. UNIV GEORGIA,ATHENS,GA 30602. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1785 EP A1785 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101074 ER PT J AU HUANG, L HODGE, J SHANG, F NOWELL, T TAYLOR, A AF HUANG, L HODGE, J SHANG, F NOWELL, T TAYLOR, A TI EYE LENS CELLS HAVE A UBIQUITIN-DEPENDENT PROTEOLYTIC PATHWAY SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HNRC,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1835 EP A1835 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101362 ER PT J AU HUANG, YC DOLNIKOWSKI, GD SADOWSKI, JA AF HUANG, YC DOLNIKOWSKI, GD SADOWSKI, JA TI THE ISOLATION AND IDENTIFICATION OF PHYLLOQUINONE-2,3-EPOXIDE FROM EDIBLE VEGETABLES SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1939 EP A1939 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101967 ER PT J AU HUNT, CD HERBEL, JL AF HUNT, CD HERBEL, JL TI DIETARY BORON MODIFIES THE EFFECTS OF EXERCISE TRAINING ON ENERGY-METABOLISM IN THE RAT SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1946 EP A1946 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102006 ER PT J AU HUNTINGTON, G AF HUNTINGTON, G TI PATTERNS OF PLASMA-FLOW AND NET NUTRIENT FLUX IN SPLANCHNIC TISSUES OF BEEF STEERS FED TWICE DAILY SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1956 EP A1956 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102069 ER PT J AU JOHNSON, HL BARBIERI, T MAYCLIN, P VIRK, S AF JOHNSON, HL BARBIERI, T MAYCLIN, P VIRK, S TI BODY-COMPOSITION AND FLUID CHANGES DURING WEIGHT-LOSS IN WOMEN WITH 2 LEVELS OF DIETARY CARBOHYDRATE AND FAT IN A FREE-LIVING STUDY SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1674 EP A1674 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100431 ER PT J AU JOHNSON, JA BECKMAN, MJ PANSINIPORTA, A CHRISTAKOS, S BEITZ, DC HORST, RL REINHARDT, TA AF JOHNSON, JA BECKMAN, MJ PANSINIPORTA, A CHRISTAKOS, S BEITZ, DC HORST, RL REINHARDT, TA TI AGE AND SEX EFFECTS ON 1,25-DIHYDROXYVITAMIN-D3 REGULATED GENE-EXPRESSION SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. IOWA STATE UNIV SCI & TECHNOL,AMES,IA 50011. UNIV MED & DENT NEW JERSEY,NEW JERSEY MED SCH,NEWARK,NJ 07103. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1954 EP A1954 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102057 ER PT J AU JOHNSON, WT DUFAULT, SN AF JOHNSON, WT DUFAULT, SN TI COPPER DEFICIENCY ALTERS INTRACELLULAR CA-2+ FLUX IN RAT PLATELETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1671 EP A1671 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100418 ER PT J AU KLEMCKE, HG BROWNBORG, HM BORG, KE LUNSTRA, DD CHRISTENSON, RK AF KLEMCKE, HG BROWNBORG, HM BORG, KE LUNSTRA, DD CHRISTENSON, RK TI INTRAUTERINE GROWTH-RETARDATION AND ADRENOCORTICAL FUNCTION IN NEONATAL PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,US MEAT ANIM RES CTR,CLAY CTR,NE 68933. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1745 EP A1745 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100844 ER PT J AU KOOHMARAIE, M AF KOOHMARAIE, M TI PURIFICATION AND CHARACTERIZATION OF MULTICATALYTIC PROTEINASE FROM OVINE SKELETAL-MUSCLE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,ROMAN L HRUSKA US MEAT ANIM RES CTR,CLAY CTR,NE 68933. RI Koohmaraie, Mohammad/A-2108-2013 NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1968 EP A1968 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102137 ER PT J AU LIPMAN, RD KELLIHER, M GRINKER, JA AF LIPMAN, RD KELLIHER, M GRINKER, JA TI DEVELOPMENT OF DIETARY INDUCED OBESITY AND SENSORY RESPONSIVENESS IN ADULT FEMALE C57BI/6 MICE SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1647 EP A1647 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100278 ER PT J AU MADDEN, KB URBAN, JF FINKELMAN, FD GAUSE, WC KATONA, IM AF MADDEN, KB URBAN, JF FINKELMAN, FD GAUSE, WC KATONA, IM TI CYTOKINE REGULATION OF HELMINTH-INDUCED INTESTINAL MASTOCYTOSIS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIFORMED SERV UNIV HLTH SCI,BETHESDA,MD 20814. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 3 Z9 3 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1723 EP A1723 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100718 ER PT J AU MAKDANI, D SOWELL, AL GUNTER, EW HEGAR, A RAO, D SMITH, JC AF MAKDANI, D SOWELL, AL GUNTER, EW HEGAR, A RAO, D SMITH, JC TI SERUM CAROTENOID CONCENTRATIONS OF CHILDREN IN BELIZE, CENTRAL-AMERICA SO FASEB JOURNAL LA English DT Meeting Abstract C1 LINCOLN UNIV,JEFFERSON CITY,MO 65101. CTR DIS CONTROL,ATLANTA,GA 30333. BELIZE GOVT HOSP,BELIZE CITY,BELIZE. USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1657 EP A1657 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100332 ER PT J AU MATHIAS, MM ALLEN, KGD NELSON, SK AF MATHIAS, MM ALLEN, KGD NELSON, SK TI AORTIC PROSTACYCLIN (PGI2) AND LIPID-PEROXIDATION IN RESPONSE TO DIETARY COPPER AND VITAMIN-E SO FASEB JOURNAL LA English DT Meeting Abstract C1 COLORADO STATE UNIV,DEPT FOOD SCI & HUMAN NUTR,FT COLLINS,CO 80523. USDA ARS,WASHINGTON,DC 20250. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1850 EP A1850 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101451 ER PT J AU MAY, JD AF MAY, JD TI PHOTOPERIOD REQUIRED FOR ANTICIPATORY FEEDING BY IMMATURE FOWL SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,S CENT POULTRY RES LAB,MISSISSIPPI STATE,MS 39762. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1832 EP A1832 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101347 ER PT J AU MERRILL, AH WANG, E RILEY, RT AF MERRILL, AH WANG, E RILEY, RT TI DISRUPTION OF SPHINGOLIPID METABOLISM INVITRO AND INVIVO BY FUMONISINS SO FASEB JOURNAL LA English DT Meeting Abstract C1 EMORY UNIV,SCH MED,ATLANTA,GA 30322. USDA ARS,TOXICOL & MYCOTOXINS RES UNIT,ATHENS,GA 30613. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1652 EP A1652 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100303 ER PT J AU MEYDANI, M MARTIN, A SASTRE, J BLUMBERG, JB AF MEYDANI, M MARTIN, A SASTRE, J BLUMBERG, JB TI THE EFFECT OF GLUTATHIONE (GSH) AND GSH-MONOETHYLESTER (GSH-ME) ON CATARACTOGENESIS IN EMORY MICE AND SPRAGUE-DAWLEY RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1906 EP A1906 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101774 ER PT J AU MITCHELL, AD HARE, PE AF MITCHELL, AD HARE, PE TI ALTERATION OF TISSUE-LEVELS OF C-13 IN PIGS BY NATURAL ABUNDANCE C-13 LABELING OF DIETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 CARNEGIE INST WASHINGTON,GEOPHYS LAB,WASHINGTON,DC 20015. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1667 EP A1667 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100394 ER PT J AU MOTIL, KJ OPEKUN, A SEKELY, S MONTANDON, CM DAVIS, T REEDS, PJ KLEIN, PD AF MOTIL, KJ OPEKUN, A SEKELY, S MONTANDON, CM DAVIS, T REEDS, PJ KLEIN, PD TI LEUCINE OXIDATION (LO) ADAPTS RAPIDLY TO VARIABLE PROTEIN INTAKES SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,DEPT PEDIAT,CHILDRENS NUTR RES CTR,USDA ARS,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1943 EP A1943 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101994 ER PT J AU NIELSEN, FH POELLOT, RA UTHUS, EO AF NIELSEN, FH POELLOT, RA UTHUS, EO TI VITAMIN-B12 AND SULFUR AMINO-ACIDS AFFECT THE RESPONSE OF RATS TO NICKEL DEPRIVATION SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1946 EP A1946 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102007 ER PT J AU PENLAND, JG AF PENLAND, JG TI CLINICAL, BEHAVIORAL AND ELECTROENCEPHALOGRAPHIC RESPONSES TO THE COLD PRESSOR TEST IN WOMEN UNDERGOING WEIGHT-LOSS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1675 EP A1675 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100436 ER PT J AU POLANSKY, MM BRYDEN, NA CAMPBELL, WW ANDERSON, RA AF POLANSKY, MM BRYDEN, NA CAMPBELL, WW ANDERSON, RA TI AEROBIC TRAINING AND SUPPLEMENTAL CHROMIUM EFFECTS ON CHROMIUM, COPPER, ZINC, IRON AND MANGANESE CONCENTRATIONS OF TISSUES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1952 EP A1952 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102041 ER PT J AU RAO, SV RAMSAY, TG AF RAO, SV RAMSAY, TG TI HEAT-SHOCK PROTEIN INDUCTION DURING THE EARLY PHASE OF PREADIPOCYTE DIFFERENTIATION SO FASEB JOURNAL LA English DT Meeting Abstract C1 OHIO STATE UNIV,COLUMBUS,OH 43210. USDA,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1676 EP A1676 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100443 ER PT J AU REEVES, PG AF REEVES, PG TI REFORMULATION OF THE AIN-76 MINERAL MIX TO PREVENT KIDNEY CALCIFICATION IN FEMALE RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1651 EP A1651 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100298 ER PT J AU RIBAYAMERCADO, JD GARMYN, M BHAWAN, J GILCHREST, BA RUSSELL, RM AF RIBAYAMERCADO, JD GARMYN, M BHAWAN, J GILCHREST, BA RUSSELL, RM TI EFFECTS OF BETA-CAROTENE SUPPLEMENTATION AND ULTRAVIOLET (UV)-LIGHT EXPOSURE ON SERUM AND SKIN LEVELS OF CAROTENOIDS AND RETINOIDS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 2 Z9 2 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1646 EP A1646 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100270 ER PT J AU RIDDICK, H AF RIDDICK, H TI SELF-PERCEPTION OF USUAL DIETARY-INTAKE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR INFORMAT SERV,HYATTSVILLE,MD 20782. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1683 EP A1683 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100481 ER PT J AU ROSEBROUGH, RW JONES, RA AF ROSEBROUGH, RW JONES, RA TI DIETARY-PROTEIN AND TRIIODOTHYRONINE (T3) EFFECTS ON THE RESPONSE OF BROILERS TO ISOPROTERENOL AND CYCLIC ADENOSINE-MONOPHOSPHATE INVITRO SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1672 EP A1672 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100422 ER PT J AU ROUBENOFF, R KEHAYIAS, J ZHUANG, H CANNON, J DINARELLO, C ROSENBERG, I AF ROUBENOFF, R KEHAYIAS, J ZHUANG, H CANNON, J DINARELLO, C ROSENBERG, I TI TUMOR-NECROSIS-FACTOR-ALPHA IS ASSOCIATED WITH LOSS OF LEAN MASS AND ELEVATED RESTING ENERGY-EXPENDITURE (REE) IN RHEUMATOID-ARTHRITIS (RA) - POSSIBLE SYNERGY WITH INTERLEUKIN-1-BETA SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HNRCA,BOSTON,MA 02111. NEW ENGLAND MED CTR HOSP,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1999 EP A1999 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102315 ER PT J AU RUMPLER, WV BAER, DJ KRESSLER, LL HOWE, JC BARNES, RE AF RUMPLER, WV BAER, DJ KRESSLER, LL HOWE, JC BARNES, RE TI ESTIMATION OF BODY-COMPOSITION OF LIVE RATS BY ELECTROMAGNETIC CONDUCTANCE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,ENERGY & PROTEIN NUTR LAB,BELTSVILLE,MD 20705. NR 0 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1679 EP A1679 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100458 ER PT J AU RUMSEY, TS HOLZER, Z ELSASSER, TH AF RUMSEY, TS HOLZER, Z ELSASSER, TH TI INFLUENCE OF DAILY INSULIN INJECTION AND ESTROGEN EAR IMPLANT ON GROWTH AND COMPOSITION OF BEEF STEERS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,BELTSVILLE,MD 20705. MINIST AGR,BET DAGAN,ISRAEL. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1964 EP A1964 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102113 ER PT J AU SALBE, AD MORRIS, VC LEVANDER, OA AF SALBE, AD MORRIS, VC LEVANDER, OA TI EFFECT OF TOXIC ELEMENTS ON SELENIUM CONTENT OF RAT HAIR, NAILS, AND OTHER TISSUES SO FASEB JOURNAL LA English DT Meeting Abstract C1 CORNELL UNIV,MED CTR,COLL MED,NEW YORK,NY 10021. USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1650 EP A1650 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100293 ER PT J AU SARKARATI, S DAVIDSON, K OBRIEN, M SADOWSKI, JA AF SARKARATI, S DAVIDSON, K OBRIEN, M SADOWSKI, JA TI DETERMINATION OF THE ENDOGENOUS CONTENT OF VITAMIN-K IN VARIOUS RAT-TISSUES BY HPLC - EFFECTS OF GENDER, AGE AND DIET SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1939 EP A1939 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101970 ER PT J AU SCHOKNECHT, PA POND, WG NEWTON, GR WEISE, DW AF SCHOKNECHT, PA POND, WG NEWTON, GR WEISE, DW TI EFFECT OF PROTEIN RESTRICTION DURING EARLY GESTATION ON FETAL PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX. PRAIRIE VIEW A&M UNIV,PRAIRIE VIEW,TX 77445. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1940 EP A1940 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101977 ER PT J AU SEABORN, CD NIELSEN, FH AF SEABORN, CD NIELSEN, FH TI EFFECT OF DIETARY SILICON UPON ACID AND ALKALINE-PHOSPHATASE AND CA-45 UPTAKE IN BONE OF RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1951 EP A1951 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102035 ER PT J AU SMITH, D OBRIEN, M PALMER, V SADOWSKI, J AF SMITH, D OBRIEN, M PALMER, V SADOWSKI, J TI SELECTION OF AN ADJUVANT EMULSION FOR POLYCLONAL ANTIBODY-PRODUCTION IN RABBITS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1609 EP A1609 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100052 ER PT J AU SOLOMON, MB EVOCK, CM CAPERNA, TJ STEELE, NC AF SOLOMON, MB EVOCK, CM CAPERNA, TJ STEELE, NC TI INFLUENCE OF TIME OF INJECTION OF RECOMBINANT PORCINE SOMATOTROPIN (RPST) RELATIVE TO TIME OF FEEDING ON LONGISSIMUS MUSCLE (LM) FIBER CHARACTERISTICS IN PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1964 EP A1964 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102114 ER PT J AU STABEL, JR KEHRLI, ME GOFF, JP AF STABEL, JR KEHRLI, ME GOFF, JP TI RECOMBINANT BOVINE IL-1-BETA ENHANCES LYMPHOCYTE FUNCTION AND IL-1-BETA TRANSCRIPTION SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A2000 EP A2000 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102322 ER PT J AU STRIFFLER, JS POLANSKY, MM ANDERSON, RA AF STRIFFLER, JS POLANSKY, MM ANDERSON, RA TI DIETARY CHROMIUM IMPROVES IVGTT INSULIN AND GLUCOSE RESPONSES IN SUCROSE-FED CR-DEFICIENT RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,COLLEGE PK,MD 20742. USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A2022 EP A2022 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102448 ER PT J AU SVETIC, A MADDEN, KB KATONA, IM FINKELMAN, FD URBAN, J GAUSE, WC AF SVETIC, A MADDEN, KB KATONA, IM FINKELMAN, FD URBAN, J GAUSE, WC TI INITIATION OF THE PRIMARY IMMUNE-RESPONSE TO THE HELMINTHIC PARASITE HELIGMOSOMOIDES-POLYGYRUS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,HDL,BELTSVILLE,MD 20705. UNIFORMED SERV UNIV HLTH SCI,DEPT MICROBIOL,BETHESDA,MD 20814. UNIFORMED SERV UNIV HLTH SCI,DEPT PEDIAT,BETHESDA,MD 20814. UNIFORMED SERV UNIV HLTH SCI,DEPT MED,BETHESDA,MD 20814. NR 0 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1688 EP A1688 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100512 ER PT J AU TROUT, DL LAW, JS AF TROUT, DL LAW, JS TI PERSISTENT AND TRANSIENT EFFECTS OF A LOW-LEVEL OF GUAR GUM ON EATING AND DIGESTIVE FUNCTION IN THE RAT SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BHNRC,CARBOHYDRATE NUTR LAB,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1663 EP A1663 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100370 ER PT J AU TURNLUND, JR KEYES, WR PEIFFER, GL AF TURNLUND, JR KEYES, WR PEIFFER, GL TI A STABLE ISOTOPE STUDY OF MOLYBDENUM ABSORPTION AND URINARY-EXCRETION IN YOUNG MEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1946 EP A1946 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102008 ER PT J AU URBAN, J MADDEN, K CHEEVER, A TROTTA, P KATONA, I FINKELMAN, F AF URBAN, J MADDEN, K CHEEVER, A TROTTA, P KATONA, I FINKELMAN, F TI IFN-A/B AND IFN-G INHIBIT HOST IMMUNE AND INFLAMMATORY RESPONSES IN MICE INFECTED WITH NIPPOSTRONGYLUS-BRASILIENSIS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,HDL,BELTSVILLE,MD 20705. NIH,LPD,USUHS,BETHESDA,MD 20892. SCHERING RES,BLOOMFIELD,NJ. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1688 EP A1688 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100514 ER PT J AU UTHUS, EO POELLOT, RA NIELSEN, FH AF UTHUS, EO POELLOT, RA NIELSEN, FH TI EFFECT OF NITROUS-OXIDE AND BIOTIN STATUS ON NICKEL DEPRIVATION IN RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1946 EP A1946 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102010 ER PT J AU VALENTINE, C HURST, N SCHANLER, R AF VALENTINE, C HURST, N SCHANLER, R TI A LACTO-ENGINEERING STRATEGY THAT PROMOTES WEIGHT-GAIN IN HUMAN MILK-FED LOW-BIRTH-WEIGHT (LBW) INFANTS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TEXAS CHILDRENS HOSP,HOUSTON,TX 77030. BAYLOR COLL MED,DEPT PEDIAT,CHILDRENS NUTR RES CTR,USDA ARS,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1958 EP A1958 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102081 ER PT J AU WANG, XD KRINSKY, NI MARINI, R TANG, G YU, J FOX, JG RUSSELL, RM AF WANG, XD KRINSKY, NI MARINI, R TANG, G YU, J FOX, JG RUSSELL, RM TI THE INTESTINAL UPTAKE AND LYMPHATIC ABSORPTION OF UNCHANGED BETA-CAROTENE IN FERRETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR,BOSTON,MA 02111. MIT,DIV COMPARAT MED,CAMBRIDGE,MA 02139. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1645 EP A1645 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100267 ER PT J AU WEISE, DW NEWTON, GR SCHOKNECHT, PA POND, WG AF WEISE, DW NEWTON, GR SCHOKNECHT, PA POND, WG TI EFFECT OF MATERNAL PROTEIN RESTRICTION ON CONCEPTUS AND ENDOMETRIAL PROTEINS IN SWINE SO FASEB JOURNAL LA English DT Meeting Abstract C1 PRAIRIE VIEW A&M UNIV,PRAIRIE VIEW,TX 77445. USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1941 EP A1941 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27101978 ER PT J AU WILSON, PWF ROUBENOFF, R AF WILSON, PWF ROUBENOFF, R TI COMPARING BIOIMPEDANCE-DERIVED BODY-COMPOSITION OF INDIVIDUALS ACROSS AGE-GROUPS - IS KNEE HEIGHT BETTER THAN HEIGHT SO FASEB JOURNAL LA English DT Meeting Abstract C1 FARMINGTON HEART STUDY,FARMINGTON,MA 01701. TUFTS UNIV,HNRC,USDA,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1656 EP A1656 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100330 ER PT J AU WOLVERTON, CK AZAIN, MJ DUFFY, JY RAMSAY, TG AF WOLVERTON, CK AZAIN, MJ DUFFY, JY RAMSAY, TG TI PORCINE SOMATOTROPIN ALTERATION OF LIPID-METABOLISM AND GENE-EXPRESSION IN PORCINE ADIPOSE-TISSUE SO FASEB JOURNAL LA English DT Meeting Abstract C1 OHIO STATE UNIV,COLUMBUS,OH 43210. UNIV GEORGIA,ATHENS,GA 30602. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. RI Wolverton, Christopher/B-7542-2009 NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1963 EP A1963 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102106 ER PT J AU WOOD, RJ FLEET, JC TYNAN, TL AF WOOD, RJ FLEET, JC TYNAN, TL TI IGF-1 ENHANCES 1,25(OH)2 VITAMIN-D3-STIMULATED TRANSEPITHELIAL CALCIUM-TRANSPORT IN CACO-2 CELLS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 1 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1955 EP A1955 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102062 ER PT J AU WORKU, M PAAPE, MJ MARQUARDT, WW AF WORKU, M PAAPE, MJ MARQUARDT, WW TI INTERFERON-GAMMA UP-REGULATES FC-GAMMA RECEPTORS (FC-GAMMA-R) FOR MONOMERIC IGG ON BOVINE NEUTROPHILS (PMN) BY DENOVO RNA-TRANSCRIPTION AND PROTEIN-SYNTHESIS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,COLLEGE PK,MD 20742. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 1 Z9 1 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1731 EP A1731 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100763 ER PT J AU WRIGHT, JT HAUSMAN, GJ AF WRIGHT, JT HAUSMAN, GJ TI INVITRO DIFFERENTIATION OF PRE-ADIPOCYTES FROM HYPOPHYSECTOMIZED PIG FETUSES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,ATHENS,GA 30613. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1676 EP A1676 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100445 ER PT J AU WU, D MEYDANI, SN SASTRE, J MEYDANI, M AF WU, D MEYDANI, SN SASTRE, J MEYDANI, M TI GLUTATHIONE (GSH) SUPPLEMENTATION ENHANCES T-CELL-MEDIATED PROLIFERATIVE RESPONSE AND IL-2 PRODUCTION BY PERIPHERAL-BLOOD MONONUCLEAR-CELLS OF HEALTHY OLD SUBJECTS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HNRCA,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1673 EP A1673 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27100424 ER PT J AU YAMINI, S SZEPESI, B WIESENFELD, P MICHAELIS, OE MOSERVEILLON, PB AF YAMINI, S SZEPESI, B WIESENFELD, P MICHAELIS, OE MOSERVEILLON, PB TI BONE METABOLISM AND CA HOMEOSTASIS IN A TYPE-II DIABETIC (SHR/N-CD) RAT MODEL SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,HNFS,COLLEGE PK,MD 20742. USDA,BELTSVILLE HUMAN NUTR RES CTR,CNL,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 USA SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 28 PY 1992 VL 6 IS 5 BP A1948 EP A1948 PN 2 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HH271 UT WOS:A1992HH27102021 ER PT J AU MOATS, WA AF MOATS, WA TI HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHIC DETERMINATION OF PENICILLIN-G, PENICILLIN-V AND CLOXACILLIN IN BEEF AND PORK TISSUES SO JOURNAL OF CHROMATOGRAPHY LA English DT Article; Proceedings Paper CT 15TH INTERNATIONAL SYMP ON COLUMN LIQUID CHROMATOGRAPHY ( HPLC 91 ) CY JUN 03-07, 1991 CL BASEL, SWITZERLAND SP SWISS ASSOC CHEMISTS ID BENZYLPENICILLIN; MILK AB The objective was to develop confirmatory high-performance liquid chromatographic methods for penicillin residues in animal tissues with detection limits of less-than-or-equal-to 10 ng/g. A previously described procedure was modified by using a larger sample size and isocratic analysis. Tissues (15 g) were blended with 45 ml of water and 20 ml of homogenate were mixed with 40 ml acetonitrile and filtered. The filtrate (30 ml) was mixed with 10 ml of 0.2 M H3PO4 and extracted with methylene chloride. The combined methylene chloride layers were mixed with acetonitrile and hexane, washed with two 4-ml portions of water and then extracted with four 1-ml portions of 0.01 M phosphate buffer (pH 7). The combined buffer extracts were concentrated to 1 ml under reduced pressure. Analysis was isocratic during 0.01 M phosphate buffer (pH 7)-acetonitrile with proportions 85:15 (penicillin G), 82:18 (penicillin V) or 78:22 (cloxacillin). A polystyrene-divinylbenzene copolymer column, 150 x 4.6 mm I.D. (Polymer Labs. PLRP-S), was used with a flow-rate of 1 ml/min and detection at 210 nm. The presence of penicillins was confirmed by treating a duplicate sample with penicillinase. Recoveries were > 90% in most instances. Detection limits were 5 ng/g in muscle and higher in liver and kidney. The procedure is a simple and sensitive method for confirming the presence of penicillins in animal tissues. RP MOATS, WA (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST PROD QUAL & DEV,MEAT SCI RES LAB,BLDG 201,BARC E,BELTSVILLE,MD 20705, USA. NR 11 TC 29 Z9 30 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0021-9673 J9 J CHROMATOGR PD FEB 28 PY 1992 VL 593 IS 1-2 BP 15 EP 20 DI 10.1016/0021-9673(92)80259-W PG 6 WC Chemistry, Analytical SC Chemistry GA HJ355 UT WOS:A1992HJ35500003 PM 1639899 ER PT J AU AGER, AL LEVANDER, OA MORRIS, VC FONTELA, R MAY, RG AF AGER, AL LEVANDER, OA MORRIS, VC FONTELA, R MAY, RG TI ONCE CURED OF MALARIA BY A MENHADEN OIL VITAMIN-E-DEFICIENT (MO-VE) DIET, MICE BECOME RESISTANT TO RECHALLENGE WITH THE PARASITE REGARDLESS OF DIET FED SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MIAMI,CTR TROP PARASIT DIS,MIAMI,FL 33177. USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 5 Z9 5 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1212 EP A1212 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901593 ER PT J AU ANDERSON, RA BRYDEN, NA POLANSKY, MM PATTERSON, KY VEILLON, C REYNOLDS, RD ANDON, M MOSERVEILLON, P AF ANDERSON, RA BRYDEN, NA POLANSKY, MM PATTERSON, KY VEILLON, C REYNOLDS, RD ANDON, M MOSERVEILLON, P TI BREAST-MILK CHROMIUM (CR) AND ITS RELATIONSHIP WITH CHROMIUM INTAKE, EXCRETION AND SERUM CR CONCENTRATIONS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. UNIV MARYLAND,COLLEGE PK,MD 20742. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1083 EP A1083 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900853 ER PT J AU BALA, S FAILLA, ML AF BALA, S FAILLA, ML TI KINETICS OF RESTORING FUNCTION OF SPLENIC T-HELPER CELLS UPON FEEDING COPPER TO COPPER-DEFICIENT RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. US FDA,ROCKVILLE,MD 20857. UNIV N CAROLINA,GREENSBORO,NC 27412. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1209 EP A1209 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901575 ER PT J AU BERRIO, LF POLANSKY, MM BRYDEN, NA ANDERSON, RA AF BERRIO, LF POLANSKY, MM BRYDEN, NA ANDERSON, RA TI INSULIN ACTIVITY - STIMULATORY EFFECTS OF CINNAMON AND BREWERS-YEAST AS INFLUENCED BY ALBUMIN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 1 U2 2 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A964 EP A964 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900163 ER PT J AU BOBILYA, DJ BRISKEANDERSON, M REEVES, PG AF BOBILYA, DJ BRISKEANDERSON, M REEVES, PG TI UPTAKE OF ZN2+ BY BOVINE AORTIC ENDOTHELIAL-CELLS IS SIGNIFICANTLY INFLUENCED BY EXTRACELLULAR ZINC LIGANDS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV NEW HAMPSHIRE,DURHAM,NH 03824. USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GAINESVILLE,FL 32604. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1086 EP A1086 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900871 ER PT J AU BOISVERT, W MENDOZA, I PORTOCARRERO, L CASTANEDA, C SOLOMONS, N GERSHOFF, S RUSSELL, R AF BOISVERT, W MENDOZA, I PORTOCARRERO, L CASTANEDA, C SOLOMONS, N GERSHOFF, S RUSSELL, R TI EFFECT OF CARBOHYDRATE AND FAT COMPOSITION OF THE DIET ON RIBOFLAVIN REQUIREMENT OF THE HEALTHY ELDERLY SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,SCH MED,USDA,HUMAN NUTR RES CTR,BOSTON,MA 02111. TUFTS UNIV,SCH NUTR,MEDFORD,MA 02155. CTR STUDIES SENSORY IMPAIRMENT AGING & METAB,GUATEMALA CITY,GUATEMALA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1375 EP A1375 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902537 ER PT J AU BUTTE, NF VILLALPANDO, S WONG, WW FLORESHUERTA, S HERNANDEZBELTRAN, M SMITH, EO AF BUTTE, NF VILLALPANDO, S WONG, WW FLORESHUERTA, S HERNANDEZBELTRAN, M SMITH, EO TI CONTRIBUTION OF TOTAL ENERGY-EXPENDITURE TO GROWTH FALTERING OF BREAST-FED INFANTS FROM RURAL MEXICO SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,USDA ARS,CHILDRENS NUTR RES CTR,DEPT PEDIAT,HOUSTON,TX 77030. INST MEXICANO SEGURO SOCIAL,DIV CRECIMIENTO & DESARROLLO,MEXICO CITY 7,DF,MEXICO. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1497 EP A1497 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71903246 ER PT J AU CASTRO, JS LAW, JS FIELDS, M WERMAN, MJ BHATHENA, SJ AF CASTRO, JS LAW, JS FIELDS, M WERMAN, MJ BHATHENA, SJ TI EFFECT OF COPPER AND ADRENALECTOMY ON OPIATE RECEPTORS IN RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,COLLEGE PK,MD 20742. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1098 EP A1098 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900940 ER PT J AU CZERWINSKI, SM MARTIN, JM STEELE, NC AF CZERWINSKI, SM MARTIN, JM STEELE, NC TI EFFECT OF SOMATOTROPIN ON PORCINE SKELETAL-MUSCLE MYOSIN ISOFORMS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A962 EP A962 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900151 ER PT J AU DICARLO, AL PAAPE, MJ AF DICARLO, AL PAAPE, MJ TI ISOLATION OF BOVINE C3 AND FLOW CYTOMETRIC ANALYSIS OF BINDING OF C3B TO BOVINE NEUTROPHILS (PMN) AFTER STIMULATION SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,COLLEGE PK,MD 20742. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1454 EP A1454 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902997 ER PT J AU EBNER, S BURRIN, DG SCHOKNECHT, PA REEDS, PJ AF EBNER, S BURRIN, DG SCHOKNECHT, PA REEDS, PJ TI EFFECT OF DIETARY-PROTEIN LEVEL ON GROWTH AND METABOLISM OF PORTAL-DRAINED VISCERA IN NEONATAL PIGS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,CHILDREN NUTR RES CTR,HOUSTON,TX 77030. INRA,STN RECH PORCINES,F-35590 HERMITAGE,FRANCE. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1377 EP A1377 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902553 ER PT J AU FAILLA, M HENRICHS, K BALA, S AF FAILLA, M HENRICHS, K BALA, S TI MODERATE COPPER SUPPLEMENTATION IS NOT IMMUNOSUPPRESSIVE FOR YOUNG-RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. UNIV MARYLAND,COLLEGE PK,MD 20742. UNIV N CAROLINA,GREENSBORO,NC 27412. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1095 EP A1095 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900920 ER PT J AU FERLAND, G SADOWSKI, J AF FERLAND, G SADOWSKI, J TI EFFECT OF A HIGH CALCIUM, LOW FAT DIET ON SYSTOLIC AND DIASTOLIC BLOOD-PRESSURE OF HEALTHY HUMANS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. UNIV MONTREAL,DEPT NUTR,MONTREAL H3C 3J7,QUEBEC,CANADA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1174 EP A1174 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901375 ER PT J AU FIELDS, M LURE, MD LEWIS, CG AF FIELDS, M LURE, MD LEWIS, CG TI REDUCING HEPATIC IRON CONCENTRATION CAN AMELIORATE THE SIGNS OF COPPER DEFICIENCY IN RATS FED FRUCTOSE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. GEORGETOWN UNIV,MED CTR,WASHINGTON,DC 20007. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1097 EP A1097 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900935 ER PT J AU GASBARRE, LC LEIGHTON, EA DAVIES, CJ AF GASBARRE, LC LEIGHTON, EA DAVIES, CJ TI INFLUENCE OF HOST GENETICS UPON ANTIBODY-RESPONSES AGAINST GASTROINTESTINAL NEMATODE INFECTIONS IN CATTLE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,LPSI,HELMINTH DIS LAB,BELTSVILLE,MD 20705. UNIV MARYLAND,AGR EXPT STN,WYE RES & ED CTR,QUEENSTOWN,MD 21658. NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1436 EP A1436 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902898 ER PT J AU HACHEY, DL WONG, WW POND, W CLARKE, L LLAURADOR, M KLEIN, PD AF HACHEY, DL WONG, WW POND, W CLARKE, L LLAURADOR, M KLEIN, PD TI CHOLESTEROL (C) SYNTHESIS IN GENETICALLY LEAN AND OBESE PIGLETS ON EITHER LOW OR HIGH C-DIETS - A MODEL FOR C-METABOLISM IN HUMAN OBESITY SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,DEPT PEDIAT,USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX 77030. NR 1 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1081 EP A1081 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900843 ER PT J AU HAWKES, WC KUTNINK, MA JACOB, RA AF HAWKES, WC KUTNINK, MA JACOB, RA TI URINARY TRIMETHYLSELENONIUM ION (TMSE+) EXCRETION IN HEALTHY-MEN FED CHOLINE AND FOLATE DEFICIENT DIETS WITH ADEQUATE OR LOW METHIONINE (MET) INTAKES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1365 EP A1365 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902481 ER PT J AU HAYEK, MG MEYDANI, SN MEYDANI, M BLUMBERG, JB AF HAYEK, MG MEYDANI, SN MEYDANI, M BLUMBERG, JB TI DIFFERENCES IN MEMBRANE FATTY-ACID COMPOSITION, HYDROGEN-PEROXIDE (H2O2) AND EICOSANOID PRODUCTION BETWEEN YOUNG AND OLD MOUSE SPLENOCYTES SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1350 EP A1350 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902393 ER PT J AU HOUSE, W VANCAMPEN, D AF HOUSE, W VANCAMPEN, D TI INHIBITORY EFFECT OF TANNINS ON IRON-ABSORPTION BY RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,ITHACA,NY 14853. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1091 EP A1091 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900901 ER PT J AU HOWE, BKM WELLS, JC SCHOLFIELD, DJ CANARY, JJ AF HOWE, BKM WELLS, JC SCHOLFIELD, DJ CANARY, JJ TI EFFECT OF LONG-TERM FEEDING OF HIGH AMYLOSE OR AMYLOPECTIN STARCH ON THE LIPID RESPONSE OF CONTROL OR HYPERINSULINEMIC MEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 GEORGETOWN UNIV,WASHINGTON,DC 20007. ENERGY & PROT NUTR LAB,BELTSVILLE,MD 20705. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,CARBOHYDRATE NUTR LAB,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1111 EP A1111 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901013 ER PT J AU HOWE, JC BEHALL, KM WELLS, PA SCHOLFIELD, DJ CANARY, JJ AF HOWE, JC BEHALL, KM WELLS, PA SCHOLFIELD, DJ CANARY, JJ TI EFFECT OF LONG-TERM FEEDING OF STARCH ON GLUCOSE AND INSULIN-RESPONSE OF CONTROL OR HYPERINSULINEMIC MEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,ENERGY & PROT NUTR LAB,BELTSVILLE,MD 20705. CARBOHYDRATE NUTR LAB,BELTSVILLE,MD 20705. GEORGETOWN UNIV,WASHINGTON,DC 20007. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1111 EP A1111 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901016 ER PT J AU HUGHES, V FIATARONE, M CHARNLEY, J FERRARA, C MCNAMARA, J SCHAEFER, E EVANS, W AF HUGHES, V FIATARONE, M CHARNLEY, J FERRARA, C MCNAMARA, J SCHAEFER, E EVANS, W TI LIPOPROTEIN RESPONSE TO EXERCISE TRAINING AND A HIGH CARBOHYDRATE-HIGH FIBER DIET IN GLUCOSE INTOLERANT SUBJECTS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1214 EP A1214 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901603 ER PT J AU HUNT, JR GALLAGHER, SK JOHNSON, LK LYKKEN, GI NIELSEN, EJ AF HUNT, JR GALLAGHER, SK JOHNSON, LK LYKKEN, GI NIELSEN, EJ TI RESPONSE OF SERUM FERRITIN AND TRIIODOTHYRONINE (T3) TO ASCORBIC-ACID SUPPLEMENTATION IN WOMEN WITH MARGINALLY LOW IRON NUTRITURE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1091 EP A1091 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900897 ER PT J AU IYER, S LONNERDAL, B YIP, TT HENRY, JF HUTCHENS, TW AF IYER, S LONNERDAL, B YIP, TT HENRY, JF HUTCHENS, TW TI LACTOFERRIN-RECEPTOR INTERACTIONS - EFFECT OF SURFACE-EXPOSED HISTIDINE-RESIDUES SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV CALIF DAVIS,DEPT NUTR,DAVIS,CA 95616. BAYLOR COLL MED,USDA ARS,CHILD NUTR RES CTR,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 1 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1115 EP A1115 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901037 ER PT J AU JACOB, RA PIANALTO, FS HENNING, SM ZHANG, JZ MCKEE, RW SWENDSEID, ME AF JACOB, RA PIANALTO, FS HENNING, SM ZHANG, JZ MCKEE, RW SWENDSEID, ME TI EFFECTS OF DIETS LOW IN METHIONINE AND CHOLINE ON INVIVO METHYLATION CAPABILITY OF HEALTHY-MEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. UNIV CALIF LOS ANGELES,SCH PUBL HLTH,LOS ANGELES,CA 90024. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1215 EP A1215 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901609 ER PT J AU JOHNSON, PE VANDERPOOL, RA PRASAD, AS AF JOHNSON, PE VANDERPOOL, RA PRASAD, AS TI FACTORIAL ESTIMATION OF THE ZINC REQUIREMENT OF MEN BY USING ORAL AND IV STABLE ISOTOPE MEASUREMENTS OF ABSORPTION AND ENDOGENOUS EXCRETION SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS NUTR RES CTR,GAINESVILLE,FL 32604. WAYNE STATE UNIV,DETROIT,MI 48202. NR 0 TC 1 Z9 1 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1087 EP A1087 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900874 ER PT J AU KAHLON, TS CHOW, FI KNUCKLES, BE CHIU, MM AF KAHLON, TS CHOW, FI KNUCKLES, BE CHIU, MM TI CHOLESTEROL-LOWERING IN HAMSTERS BY BARLEY FRACTIONS, RICE BRAN AND OAT BRAN, AND THEIR COMBINATIONS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,WESTERN REG RES CTR,ALBANY,CA 94710. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1080 EP A1080 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900835 ER PT J AU KEIM, NL ANDERSON, BL BARBIERI, TF AF KEIM, NL ANDERSON, BL BARBIERI, TF TI HORMONE AND SUBSTRATE RESPONSES TO AEROBIC EXERCISE IN OBESE WOMEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1112 EP A1112 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901022 ER PT J AU KELLEY, DS NELSON, GJ TAYLOR, PC SCHMIDT, PC MACKEY, B AF KELLEY, DS NELSON, GJ TAYLOR, PC SCHMIDT, PC MACKEY, B TI DIETARY ALPHA-LINOLENIC ACID (ALA) AND THE FATTY-ACID (FA) COMPOSITION OF HUMAN PERIPHERAL-BLOOD MONONUCLEAR-CELLS (PBMNC) SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. USDA ARS,WESTERN REG RES CTR,BERKELEY,CA 94710. NR 1 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1213 EP A1213 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901600 ER PT J AU KLEVAY, LM HALAS, ES AF KLEVAY, LM HALAS, ES TI MARGINAL DIETARY COPPER AND RANDOM LIGHT DARK CYCLES INCREASE PLASMA-CHOLESTEROL OF RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. UNIV N DAKOTA,DEPT PSYCHOL,GRAND FORKS,ND 58202. NR 2 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1210 EP A1210 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901581 ER PT J AU KRAMER, TR MOORE, RJ FRIEDL, KE MARTINEZLOPEZ, LE AF KRAMER, TR MOORE, RJ FRIEDL, KE MARTINEZLOPEZ, LE TI EFFECTS OF MULTIPLE STRESSORS DURING UNITED-STATES-ARMY RANGER TRAINING ON CELL-IMMUNE FUNCTIONS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. USA,ENVIRONM MED RES INST,NATICK,MA 01760. MARTIN ARMY COMM HOSP,FT BENNING,GA 31905. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1214 EP A1214 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901604 ER PT J AU KRISHNA, VR LEVANDER, OA AGER, AL MORRIS, VC TAYLOR, DW AF KRISHNA, VR LEVANDER, OA AGER, AL MORRIS, VC TAYLOR, DW TI ANTIMALARIAL ANTIBODY-RESPONSE OF MICE PROTECTED FROM LETHAL PLASMODIUM-YOELII BY A MENHADEN OIL VITAMIN-E-DEFICIENT DIET SO FASEB JOURNAL LA English DT Meeting Abstract C1 GEORGETOWN UNIV,DEPT BIOL,WASHINGTON,DC 20057. USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. UNIV MIAMI,CTR TROP PARASIT DIS,MIAMI,FL 33177. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1212 EP A1212 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901591 ER PT J AU LATIMER, AM HAUSMAN, GJ BUONOMO, FC AF LATIMER, AM HAUSMAN, GJ BUONOMO, FC TI THE EFFECTS OF THYROXINE (T4) ON SERUM AND TISSUE CONCENTRATIONS OF INSULIN-LIKE GROWTH FACTOR-I (IGF-I) AND IGF-II IN THE HYPOPHYSECTOMIZED FETAL PIG SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV GEORGIA,ATHENS,GA 30602. USDA ARS,ATHENS,GA 30613. MONSANTO CO,ST LOUIS,MO 63198. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1078 EP A1078 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900825 ER PT J AU LAW, JS WERMAN, MJ CASTRO, JS BHATHENA, SJ AF LAW, JS WERMAN, MJ CASTRO, JS BHATHENA, SJ TI EFFECTS OF DIETARY CARBOHYDRATES AND ZINC ON HORMONAL PROFILE IN COPPER ADEQUATE AND COPPER-DEFICIENT RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1098 EP A1098 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900937 ER PT J AU LEVANDER, OA AGER, AL MORRIS, VC FONTELA, R MAY, RG AF LEVANDER, OA AGER, AL MORRIS, VC FONTELA, R MAY, RG TI MENHADEN OIL (MO) PROTECTS AGAINST MALARIA IN MICE FED GROUND CHOW SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. UNIV MIAMI,CTR TROP PARASIT DIS,MIAMI,FL 33177. NR 3 TC 4 Z9 4 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1212 EP A1212 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901590 ER PT J AU LEWIS, CG FIELDS, M LURE, MD AF LEWIS, CG FIELDS, M LURE, MD TI EFFECT OF COENZYME-Q10 SUPPLEMENTATION ON COPPER DEFICIENCY SIGNS OF MALE-RATS FED A HIGH-FRUCTOSE, LOW-COPPER DIET SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. GEORGETOWN UNIV,MED CTR,WASHINGTON,DC 20007. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1097 EP A1097 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900936 ER PT J AU LICHTENSTEIN, AH AUSMAN, L JENNER, JL CARRASCO, W SCHAEFER, EJ AF LICHTENSTEIN, AH AUSMAN, L JENNER, JL CARRASCO, W SCHAEFER, EJ TI EFFECT OF THE CONSUMPTION OF CORN-OIL AND BEEF TALLOW ENRICHED DIETS WITH AN WITHOUT EGG-YOLK ON PLASMA-LIPIDS AND APOLIPOPROTEINS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,LIPID METAB LAB,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1081 EP A1081 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900838 ER PT J AU LILLEHOJ, H NICHOLS, M AF LILLEHOJ, H NICHOLS, M TI DEXAMETHASONE (DEX) INHIBITS IL-2 AND GAMMA-IFN PRODUCTION AND ENHANCES DISEASE SUSCEPTIBILITY TO EIMERIA IN CHICKENS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1155 EP A1155 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901262 ER PT J AU LOUGH, DS SOLOMON, MB RUMSEY, TS KAHL, S SLYTER, LL AF LOUGH, DS SOLOMON, MB RUMSEY, TS KAHL, S SLYTER, LL TI EFFECTS OF HIGH-FORAGE DIETS WITH AND WITHOUT ADDED PALM OIL FED AT EQUALIZED ENERGY INTAKES ON PLASMA-LIPID METABOLITES OF GROWING RAM LAMBS WITH HIGH AND LOW PLASMA-CHOLESTEROL SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. UNIV MARYLAND,COLLEGE PK,MD 20742. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1106 EP A1106 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900982 ER PT J AU LUKASKI, HC JOHNSON, PE KORYNTA, ED AF LUKASKI, HC JOHNSON, PE KORYNTA, ED TI BENEFICIAL-EFFECTS OF STEARIC-ACID ON NONHEME IRON UTILIZATION IN RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1086 EP A1086 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900867 ER PT J AU LURE, MD LEWIS, CG FIELDS, M AF LURE, MD LEWIS, CG FIELDS, M TI THE DEVELOPMENT OF COPPER DEFICIENCY IN MALE AND FEMALE RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. GEORGETOWN UNIV,MED CTR,WASHINGTON,DC 20007. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1097 EP A1097 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900932 ER PT J AU MANGELS, AR BLOCK, G FREY, CM MORRIS, VC LEVANDER, OA TAYLOR, PR PATTERSON, BH NORKUS, E AF MANGELS, AR BLOCK, G FREY, CM MORRIS, VC LEVANDER, OA TAYLOR, PR PATTERSON, BH NORKUS, E TI ASCORBIC-ACID (AA) RELATIVE BIOAVAILABILITY IN HUMANS ASSESSED BY PLASMA RESPONSE TO INGESTION OF AA AS FRUIT, VEGETABLES OR IN SYNTHETIC FORM SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NCI,BETHESDA,MD 20892. OUR LADY MERCY MED CTR,BRONX,NY 10466. RI Block, Gladys/E-3304-2010 NR 0 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1376 EP A1376 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902543 ER PT J AU MEYDANI, SN LICHTENSTEIN, AH CORNWALL, S DINARELLO, CA RASMUSSEN, H SCHAEFER, EJ AF MEYDANI, SN LICHTENSTEIN, AH CORNWALL, S DINARELLO, CA RASMUSSEN, H SCHAEFER, EJ TI IMMUNOLOGICAL EFFECTS OF LOW FAT HIGH POLYUNSATURATED FATTY-ACID (NCEP-STEP 2) DIETS ON IMMUNE-RESPONSE OF HUMAN SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR CTR AGING,BOSTON,MA 02111. NEW ENGLAND MED CTR HOSP,BOSTON,MA 02111. NR 0 TC 5 Z9 5 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1370 EP A1370 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902508 ER PT J AU MILLER, JW NADEAU, MR SMITH, J SMITH, D SELHUB, J AF MILLER, JW NADEAU, MR SMITH, J SMITH, D SELHUB, J TI HOMOCYSTEINEMIA - A CONSEQUENCE OF DISRUPTING S-ADENOSYLMETHIONINES REGULATION OF HOMOCYSTEINE METABOLISM SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 2 Z9 2 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1215 EP A1215 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901608 ER PT J AU MILLER, LA FABER, JM YAVAROW, C FRY, DA SAARI, JT BODE, AM AF MILLER, LA FABER, JM YAVAROW, C FRY, DA SAARI, JT BODE, AM TI EFFECT OF INHIBITORS ON MITOCHONDRIAL RESPIRATION IN HEARTS OF COPPER-DEFICIENT RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV N DAKOTA,DEPT PHYSIOL,GRAND FORKS,ND 58202. USDA ARS,HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1096 EP A1096 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900929 ER PT J AU MILNE, DB NIELSEN, FH AF MILNE, DB NIELSEN, FH TI EFFECT OF DIETARY COPPER AND CARBOHYDRATE ON COPPER-67 ABSORPTION, RETENTION, AND STATUS INDEXES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1210 EP A1210 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901580 ER PT J AU MORAGUTIERREZ, A FARRELL, HM KUMOSINSKI, TF AF MORAGUTIERREZ, A FARRELL, HM KUMOSINSKI, TF TI AN O-17 NMR-STUDY OF THE EFFECT OF TEMPERATURE ON PROTEIN-ACTIVITY AND HYDRATION OF BOVINE AND CAPRINE CASEIN MICELLES SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,EASTERN REG RES CTR,PHILADELPHIA,PA 19118. PRAIRIE VIEW A&M UNIV,PRAIRIE VIEW,TX 77446. NR 0 TC 1 Z9 1 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1284 EP A1284 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902012 ER PT J AU MORIN, CL MATHIAS, MM ALLEN, KGD AF MORIN, CL MATHIAS, MM ALLEN, KGD TI DIETARY COPPER (CU) AND VITAMIN-E MODIFY THROMBOXANE (TX) PRODUCTION IN WASHED PLATELETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 COLORADO STATE UNIV,DEPT FOOD SCI & HUMAN NUTR,FT COLLINS,CO 80523. USDA,CSRS,WASHINGTON,DC 20250. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1209 EP A1209 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901574 ER PT J AU MORRIS, VC AGER, AL MAY, RG FONTELA, R LEVANDER, OA AF MORRIS, VC AGER, AL MAY, RG FONTELA, R LEVANDER, OA TI VITAMIN-C (AA), BETA-CAROTENE (BC), AND COENZYME-Q10 (COQ) DO NOT BLOCK THE ANTIMALARIAL ACTION OF MENHADEN OIL (MO) FED TO VITAMIN-E-DEFICIENT (-VE) MICE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. UNIV MIAMI,CTR TROP PARASIT DIS,MIAMI,FL 33177. NR 1 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1212 EP A1212 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901594 ER PT J AU MOSHFEGH, AJ AF MOSHFEGH, AJ TI IMPROVING COORDINATION ACROSS THE NATIONAL NUTRITION MONITORING AND RELATED RESEARCH-PROGRAM SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA,HUMAN NUTR INFORMAT SERV,HYATTSVILLE,MD 20782. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1208 EP A1208 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901566 ER PT J AU MOTIL, KJ SHENG, HP MONTANDON, CM WONG, WW ELLIS, K AF MOTIL, KJ SHENG, HP MONTANDON, CM WONG, WW ELLIS, K TI PARTITIONING OF DIETARY-PROTEIN INTO LEAN BODY-MASS IN LACTATING AND NONLACTATING WOMEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,PEDIAT,USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1082 EP A1082 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900849 ER PT J AU POND, WG MERSMANN, HJ KLEIN, PD WONG, W HACHEY, D SCHOKNECHT, P AF POND, WG MERSMANN, HJ KLEIN, PD WONG, W HACHEY, D SCHOKNECHT, P TI GROWTH-RESPONSE TO DIET CHOLESTEROL IN 4TH GENERATION PIGS SELECTED FOR LOW SERUM-CHOLESTEROL SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX 77030. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1081 EP A1081 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900840 ER PT J AU REYNOLDS, RD HOWARD, MP DEUSTER, P LICKTEIG, JA CONWAY, J RUMPLER, W SEALE, J AF REYNOLDS, RD HOWARD, MP DEUSTER, P LICKTEIG, JA CONWAY, J RUMPLER, W SEALE, J TI ENERGY INTAKES AND EXPENDITURES ON MT EVEREST SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV ILLINOIS,CHICAGO,IL 60680. UNIFORMED SERV UNIV HLTH SCI,BETHESDA,MD 20814. CARDINAL STRITCH COLL,MILWAUKEE,WI. USDA,SEISMOL RES CTR,BELTSVILLE,MD 20705. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1084 EP A1084 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900859 ER PT J AU RICHARDS, MP BEATTIE, JH SELF, R AF RICHARDS, MP BEATTIE, JH SELF, R TI APPLICATION OF CAPILLARY ZONE ELECTROPHORESIS (CZE) TO THE SEPARATION OF METALLOTHIONEIN ISOFORMS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. ROWETT RES INST,BUCKSBURN AB2 9SB,ABERDEEN,SCOTLAND. NR 0 TC 3 Z9 3 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1093 EP A1093 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900910 ER PT J AU ROBERTS, SB FUSS, P EVANS, WJ HEYMAN, MB YOUNG, VR AF ROBERTS, SB FUSS, P EVANS, WJ HEYMAN, MB YOUNG, VR TI THE EFFECT OF AGING ON RESTING ENERGY-EXPENDITURE AND THE THERMAL EFFECT OF FEEDING IN HEALTHY-MEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. MIT,CLIN RES CTR,CAMBRIDGE,MA 02139. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1084 EP A1084 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900858 ER PT J AU RONNENBERG, AG TORRE, PM HARTMAN, WJ PRIOR, RL AF RONNENBERG, AG TORRE, PM HARTMAN, WJ PRIOR, RL TI SUPPLEMENTAL ARGININE AND ORNITHINE DO NOT AFFECT LYMPHOCYTE-PROLIFERATION IN SURGICALLY-TREATED RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,HUMAN NUTR RES CTR,USDA ARS,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1102 EP A1102 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900961 ER PT J AU SAARI, JT AF SAARI, JT TI SUBTLE DIFFERENCES IN CARDIOVASCULAR VARIABLES AND TRACE-ELEMENT STATUS CAUSED BY LONG-TERM MARGINAL COPPER DEFICIENCY SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1097 EP A1097 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900934 ER PT J AU SALGAR, SK PAAPE, MJ ALSTONMILLS, B SNYDER, DB AF SALGAR, SK PAAPE, MJ ALSTONMILLS, B SNYDER, DB TI PRODUCTION AND CHARACTERIZATION OF MONOCLONAL-ANTIBODIES TO BOVINE NEUTROPHIL (PMN) SURFACE-ANTIGENS SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIV MARYLAND,COLLEGE PK,MD 20742. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1043 EP A1043 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900620 ER PT J AU SCHOLFIELD, DJ BEHALL, KM CLARK, WM SCHOLFIELD, LG REISER, S CANARY, JJ AF SCHOLFIELD, DJ BEHALL, KM CLARK, WM SCHOLFIELD, LG REISER, S CANARY, JJ TI POSTPRANDIAL LIPID RESPONSES IN HYPERINSULINEMIC AND CONTROL SUBJECTS CONSUMING FOOD PREPARED WITH HIGH AMYLOSE OR AMYLOPECTIN CORNSTARCH SO FASEB JOURNAL LA English DT Meeting Abstract C1 GEORGETOWN UNIV,WASHINGTON,DC 20007. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,CARBOHYDRATE NUTR LAB,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1111 EP A1111 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901015 ER PT J AU SCOTT, KC TURNLUND, JR AF SCOTT, KC TURNLUND, JR TI COMPARTMENTAL MODEL OF COPPER-METABOLISM IN ADULT MEN BASED ON MULTIPLE DOSES OF CU-65 SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1094 EP A1094 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900915 ER PT J AU SEYOUM, E SELHUB, J AF SEYOUM, E SELHUB, J TI COMBINED AFFINITY AND ION-PAIR COLUMN CHROMATOGRAPHIES FOR THE ANALYSIS OF FOOD FOLATES SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES INST,VITAMIN BIOAVAIL LAB,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1499 EP A1499 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71903262 ER PT J AU SHAPIRO, AC WU, D ODONNELL, EK ANSAIR, P MEYDANI, SN AF SHAPIRO, AC WU, D ODONNELL, EK ANSAIR, P MEYDANI, SN TI EFFECTS OF INVITRO ADDITION PGE2 AND PGE3 ON PROLIFERATIVE RESPONSE (PR) OF SPLENOCYTES FROM MICE FED HIGH N-3 OR N-6 POLYUNSATURATED FATTY-ACID (PUFA) DIETS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 0 TC 1 Z9 1 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1371 EP A1371 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902515 ER PT J AU SHULMAN, RJ BURRIN, DG STORM, MC AF SHULMAN, RJ BURRIN, DG STORM, MC TI ALANYLGLUTAMINE (ALA-GLN) EFFECTS ON JEJUNAL GROWTH AND ENZYME-ACTIVITY IN NEONATAL PIGLETS RECEIVING TOTAL PARENTERAL-NUTRITION (TPN) SO FASEB JOURNAL LA English DT Meeting Abstract C1 BAYLOR COLL MED,DEPT PEDIAT,CHILDRENS NUTR RES CTR,USDA ARS,HOUSTON,TX 77030. MCGAW INC,IRVINE,CA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1089 EP A1089 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900885 ER PT J AU SINGH, A FAILLA, ML GALLAGHER, KL MENKES, A ROW, MB DEUSTER, PA AF SINGH, A FAILLA, ML GALLAGHER, KL MENKES, A ROW, MB DEUSTER, PA TI EXERCISE-INDUCED CHANGES IN IMMUNE FUNCTION - EFFECTS OF ZN SUPPLEMENTATION SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIFORMED SERV UNIV HLTH SCI,BETHESDA,MD 20814. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1467 EP A1467 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71903072 ER PT J AU SMITH, SM FINLEY, J JOHNSON, LK LUKASKI, HC AF SMITH, SM FINLEY, J JOHNSON, LK LUKASKI, HC TI KINETICS OF THYROXINE METABOLISM AND EXCRETION IN IRON-DEFICIENT RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1095 EP A1095 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900924 ER PT J AU THYPHRONITIS, G KATONA, IM URBAN, JF GAUSE, W FINKELMAN, FD AF THYPHRONITIS, G KATONA, IM URBAN, JF GAUSE, W FINKELMAN, FD TI GERMLINE (G) AND PRODUCTIVE (P) C-EPSILON GENE-EXPRESSION DURING INVIVO IGE RESPONSES SO FASEB JOURNAL LA English DT Meeting Abstract C1 UNIFORMED SERV UNIV HLTH SCI,BETHESDA,MD 20814. USDA,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1152 EP A1152 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901248 ER PT J AU TORRE, PM RONNENBERG, AG HARTMAN, WJ PRIOR, RL AF TORRE, PM RONNENBERG, AG HARTMAN, WJ PRIOR, RL TI ORAL ARGININE SUPPLEMENTATION IN A RODENT MODEL OF ENDOTOXIN STRESS SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,HUMAN NUTR RES CTR,USDA ARS,BOSTON,MA 02111. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1102 EP A1102 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900963 ER PT J AU TULP, OL BLACK, DL HANSEN, CT MICHAELIS, OE AF TULP, OL BLACK, DL HANSEN, CT MICHAELIS, OE TI THERMOGENESIS AND ADIPOSITY IN THE WKY/N-CP RAT - A NEW MODEL OF OBESITY+NIDDM SO FASEB JOURNAL LA English DT Meeting Abstract C1 DREXEL UNIV,PHILADELPHIA,PA 19104. NCI,BETHESDA,MD 20892. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1085 EP A1085 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900864 ER PT J AU VANLOAN, MD KEIM, NL MAYCLIN, PL BARBIERI, TF ANDERSON, BL AF VANLOAN, MD KEIM, NL MAYCLIN, PL BARBIERI, TF ANDERSON, BL TI EFFECTS OF AEROBIC EXERCISE WITH AND WITHOUT CALORIE REDUCTION ON FAT-FREE MASS AND NITROGEN-BALANCE IN OBESE WOMEN SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1113 EP A1113 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901023 ER PT J AU VANZANT, RS CONWAY, JM SEALE, JL AF VANZANT, RS CONWAY, JM SEALE, JL TI EFFECTS OF DIETARY CARBOHYDRATE RESTRICTION ON ENDURANCE EXERCISE PERFORMANCE SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR RES CTR,ENERGY & PROT NUTR LAB,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1112 EP A1112 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71901017 ER PT J AU VARELAMOREIRA, G SELHUB, J GARNER, S SHEAFF, R ZEISEL, S AF VARELAMOREIRA, G SELHUB, J GARNER, S SHEAFF, R ZEISEL, S TI BRAIN AND HEPATIC FOLATES IN RATS FED A CHOLINE-DEFICIENT DIET OR TREATED CHRONICALLY WITH LOW-DOSES OF METHOTREXATE SO FASEB JOURNAL LA English DT Meeting Abstract C1 TUFTS UNIV,USDA,HUMAN NUTR RES INST,BOSTON,MA 02111. UNIV N CAROLINA,DEPT NUTR,CHAPEL HILL,NC 27599. NR 1 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1499 EP A1499 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71903258 ER PT J AU WERMAN, MJ BHATHENA, SJ AF WERMAN, MJ BHATHENA, SJ TI LOW DIETARY ZINC COPPER RATIO AND THE COPPER DEFICIENCY SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,CNL,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1097 EP A1097 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900933 ER PT J AU YEUM, KJ LEEKIM, YC LEE, KY PARK, IS KIM, BS CHUNG, JP TANG, GW RUSSELL, RM AF YEUM, KJ LEEKIM, YC LEE, KY PARK, IS KIM, BS CHUNG, JP TANG, GW RUSSELL, RM TI CONVERSION OF B-CAROTENE INTO B-APO-CAROTENOIDS AND RETINOIDS IN HUMAN STOMACH-CANCER TISSUES SO FASEB JOURNAL LA English DT Meeting Abstract C1 YONSEI UNIV,DEPT INTERNAL MED,SEOUL,SOUTH KOREA. TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. YONSEI CANC CTR,DEPT FOOD & NUTR,SEOUL,SOUTH KOREA. NR 1 TC 0 Z9 0 U1 0 U2 1 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1393 EP A1393 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71902643 ER PT J AU ZHANG, YH KRAMER, TR SHI, W WANG, ZG HUI, YQ SHI, R BROWN, CC TAYLOR, PR AF ZHANG, YH KRAMER, TR SHI, W WANG, ZG HUI, YQ SHI, R BROWN, CC TAYLOR, PR TI EFFECTS OF MICRONUTRIENT SUPPLEMENTATION ON LYMPHOCYTE-T BLASTOGENESIS OF ADULTS IN LINXIAN COUNTY, CHINA SO FASEB JOURNAL LA English DT Meeting Abstract C1 CHINESE ACAD MED SCI,INST CANC,BEIJING 100021,PEOPLES R CHINA. USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE HUMAN NUTR CTR,BELTSVILLE,MD 20705. NCI,BETHESDA,MD 20892. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1103 EP A1103 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900969 ER PT J AU ZITO, CA HUNT, JR ERJAVEC, J JOHNSON, LK AF ZITO, CA HUNT, JR ERJAVEC, J JOHNSON, LK TI THE EFFECTS OF DEFICIENT OR MARGINAL IRON NUTRITURE ON SPONTANEOUS PHYSICAL-ACTIVITY OF RATS SO FASEB JOURNAL LA English DT Meeting Abstract C1 USDA ARS,GRAND FORKS HUMAN NUTR RES CTR,GRAND FORKS,ND 58202. UNIV N DAKOTA,GRAND FORKS,ND 58202. NR 0 TC 0 Z9 0 U1 0 U2 0 PU FEDERATION AMER SOC EXP BIOL PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3998 SN 0892-6638 J9 FASEB J JI Faseb J. PD FEB 26 PY 1992 VL 6 IS 4 BP A1095 EP A1095 PN 1 PG 1 WC Biochemistry & Molecular Biology; Biology; Cell Biology SC Biochemistry & Molecular Biology; Life Sciences & Biomedicine - Other Topics; Cell Biology GA HG719 UT WOS:A1992HG71900921 ER PT J AU FERRETTI, A FLANAGAN, VP AF FERRETTI, A FLANAGAN, VP TI EXCRETION OF 11-DEHYDROTHROMBOXANE-B2 - A QUANTITATIVE INDEX OF TXA2 FORMATION IN HUMAN CIRCULATION SO BIOCHEMISTRY LA English DT Meeting Abstract C1 USDA ARS,BELTSVILLE AGR RES CTR,HUMAN NUTR RES CTR,BELTSVILLE,MD 20705. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0006-2960 J9 BIOCHEMISTRY-US JI Biochemistry PD FEB 25 PY 1992 VL 31 IS 7 BP 2207 EP 2207 PG 1 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA HF267 UT WOS:A1992HF26700144 ER PT J AU ALTMAN, D WILSON, FD BENEDICT, JH GOULD, F AF ALTMAN, D WILSON, FD BENEDICT, JH GOULD, F TI BIOPESTICIDES AND RESISTANCE SO SCIENCE LA English DT Letter C1 USDA ARS,PHOENIX,AZ 85040. TEXAS A&M UNIV SYST,RES CTR,CORPUS CHRISTI,TX 78406. N CAROLINA STATE UNIV,DEPT ENTOMOL,RALEIGH,NC 27695. RP ALTMAN, D (reprint author), INT SERV ACQUISIT AGRIBIOTECH APPLICAT,1509 22ND ST NW,WASHINGTON,DC 20037, USA. NR 4 TC 8 Z9 8 U1 0 U2 0 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 SN 0036-8075 J9 SCIENCE JI Science PD FEB 21 PY 1992 VL 255 IS 5047 BP 903 EP 904 DI 10.1126/science.255.5047.903-c PG 2 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA HE605 UT WOS:A1992HE60500005 PM 1546283 ER PT J AU SCHOOFS, L TIPS, A HOLMAN, GM NACHMAN, RJ DELOOF, A AF SCHOOFS, L TIPS, A HOLMAN, GM NACHMAN, RJ DELOOF, A TI DISTRIBUTION OF LOCUSTAMYOTROPIN-LIKE IMMUNOREACTIVITY IN THE NERVOUS-SYSTEM OF LOCUSTA-MIGRATORIA SO REGULATORY PEPTIDES LA English DT Article DE NEUROPEPTIDE; SUBESOPHAGEAL GANGLION; CORPORA ALLATA; INSECT BRAIN; PBAN; BOMBYX-MORI ID BIOSYNTHESIS-ACTIVATING NEUROPEPTIDE; VERTEBRATE TACHYKININ FAMILY; INSECT NEUROPEPTIDES; PEPTIDE; PROCTOLIN; IDENTIFICATION; SUBESOPHAGEAL; LOCALIZATION; FMRFAMIDE; HOMOLOGY AB Locustamyotropin-like immunoreactivity was visualized in the nervous system of Locusta migratoria by means of the peroxidase antiperoxidase method. Highly specific antibodies to the carboxy-terminus of the locustamyotropins were obtained by elution through an affinity column to which Lom-MT II was covalently bound. Specific cells in the nervous system of Locusta migratoria contain substances immunoreactive to anti-locustamyotropin. In total, about 100 cells immunoreactive to the Lom-MT-II antiserum were detected in the head ganglia, in the abdominal neuromeres of the metathoracic ganglion, and in the five free abdominal ganglia. In the brain, immunoreactive cell groups were situated in the inner and outer edge of the tritocerebrum. Prominent axon bundles tightly surround the tractus I to the corpora cardiaca. The corpora allata were innervated by the nervus corporis allati I coming from the corpora cardiaca and by fibers in the nervus corporis allati II originating from cell bodies in the suboesophageal ganglion. Immunoreactive cell bodies in the suboesophageal and abdominal ganglia are distributed along the anterior posterior midline axis, both dorsally and ventrally. The processes of the cell bodies in the abdominal ganglia leave the ganglia and were traced in the respective median nerves into the neurohaemal organs. Since the Lom-MT-II antiserum cross-reacts with all peptides of the locustamyotropin family that have a carboxy-terminus in common, these cells may contain one or several locustamyotropins. The Lom-MT antiserum also recognizes pheromone biosynthesis activating neurohormone, as was revealed by the intensive labeling of suboesophageal cell bodies in Bombyx mori. C1 USDA ARS,FOOD & ANIM PROTECT RES LAB,COLLEGE STN,TX 77840. RP SCHOOFS, L (reprint author), CATHOLIC UNIV LEUVEN,INST ZOOL,NAAMSESTR 59,B-3000 LOUVAIN,BELGIUM. NR 35 TC 48 Z9 48 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-0115 J9 REGUL PEPTIDES JI Regul. Pept. PD FEB 18 PY 1992 VL 37 IS 3 BP 237 EP 254 DI 10.1016/0167-0115(92)90618-5 PG 18 WC Endocrinology & Metabolism; Physiology SC Endocrinology & Metabolism; Physiology GA HE326 UT WOS:A1992HE32600006 PM 1557513 ER PT J AU ELICH, TD EDELMAN, M MATTOO, AK AF ELICH, TD EDELMAN, M MATTOO, AK TI IDENTIFICATION, CHARACTERIZATION, AND RESOLUTION OF THE INVIVO PHOSPHORYLATED FORM OF THE D1 PHOTOSYSTEM-II REACTION CENTER PROTEIN SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID METABOLIZED 32-KILODALTON PROTEIN; PHOTOSYNTHETIC ELECTRON-TRANSPORT; REDOX STATE; POLYPEPTIDE; INHIBITION; THYLAKOIDS; BINDING; KINASE; PHOSPHOPROTEINS; CHLOROPLASTS AB The chloroplast-encoded D1 protein of oxygenic photosynthetic organisms is a component of the photosystem II reaction center. Previously, we detected an electrophoretic variant of D1 which was generated in vivo in granal-localized reaction centers in a light dependent manner (Callahan, F. E., Ghirardi, M. L., Sopory, S. K., Mehta, A. M., Edelman, M., and Mattoo, A. K. (1990) J. Biol Chem. 265, 15357-15360). In the present study, we identify this modified form as phosphorylated D1. The in vivo phosphorylation occurs on a threonine residue(s) localized within 1 kDa from the N terminus and is identical to the phosphorylation of D1 catalyzed in vitro by a redox-regulated thylakoid-bound protein kinase. While virtually all of the D1 protein present in thylakoids can be phosphorylated in vitro, the steady-state level of phosphorylated D1 in vivo varies with light intensity and did not exceed 20% of the total D1 under the conditions of this study. C1 USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE AGR RES CTR W,PLANT MOLEC BIOL LAB,BLDG 006,BELTSVILLE,MD 20705. WEIZMANN INST SCI,DEPT PLANT GENET,IL-76100 REHOVOT,ISRAEL. RI Mattoo, Autar/G-9863-2011 NR 42 TC 83 Z9 84 U1 0 U2 1 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814-3996 USA SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD FEB 15 PY 1992 VL 267 IS 5 BP 3523 EP 3529 PG 7 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA HD154 UT WOS:A1992HD15400106 PM 1737803 ER PT J AU DUBEY, JP HAMIR, AN HANLON, CA RUPPRECHT, CE AF DUBEY, JP HAMIR, AN HANLON, CA RUPPRECHT, CE TI PREVALENCE OF TOXOPLASMA-GONDII INFECTION IN RACCOONS SO JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION LA English DT Article DE RACCOONS; TOXOPLASMA-GONDII ID PROCYON-LOTOR; DIAGNOSIS; VACCINE AB Serum samples from 427 raccoons (93 from Pennsylvania, 45 from New Jersey, 72 from South Carolina, 68 from Virginia, 30 from Iowa, and 119 from Ohio) were evaluated for Toxoplasma gondii antibodies in dilutions of 1:25, 1:50, and 1:500. The distribution of T gondii antibody titers was < 1:25 for 212 raccoons (49.6%), 1:25 for 34 raccoons (7.9%), 1:50 for 117 raccoons (27.4%), and greater-than-or-equal-to 1:500 for 64 raccoons (14.9%). Tissue cysts were seen in the liver, and tachyzoites were in the brain of a raccoon with abnormal neurologic signs and concurrent infection with canine distemper virus. Organisms in the liver were stained with anti-T gondii serum, and the raccoon had a T gondii titer of 1:160 in the agglutination test. C1 UNIV PENN,NEW BOLTON CTR,SCH VET MED,DEPT PATHOBIOL,KENNETT SQ,PA 19348. WISTAR INST,PHILADELPHIA,PA 19104. RP DUBEY, JP (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,ZOONOT DIS LAB,RM 104,BLDG 1040,BELTSVILLE,MD 20705, USA. NR 11 TC 22 Z9 22 U1 1 U2 3 PU AMER VETERINARY MEDICAL ASSOC PI SCHAUMBURG PA 1931 N MEACHAM RD SUITE 100, SCHAUMBURG, IL 60173-4360 SN 0003-1488 J9 J AM VET MED ASSOC JI J. Am. Vet. Med. Assoc. PD FEB 15 PY 1992 VL 200 IS 4 BP 534 EP 536 PG 3 WC Veterinary Sciences SC Veterinary Sciences GA HD743 UT WOS:A1992HD74300017 PM 1559896 ER PT J AU OLIVER, JE ALDRICH, JR LUSBY, WR WATERS, RM JAMES, DG AF OLIVER, JE ALDRICH, JR LUSBY, WR WATERS, RM JAMES, DG TI A MALE-PRODUCED PHEROMONE OF THE SPINED CITRUS BUG SO TETRAHEDRON LETTERS LA English DT Article DE BIPRORULUS-BIBAX; DORSAL ABDOMINAL GLANDS; SEXUAL DIMORPHISM; HEMIACETAL; PHEROMONE ID BIBAX BREDDIN HEMIPTERA; PENTATOMIDAE AB An unusual hemiacetal, cis-3,4-bis[(E)-1-butenyl]tetrahydrofuran-2-ol, the major component of the dorsal abdominal glands of the title insect, was identified by spectral and chemical means, and the structure confirmed by synthesis. C1 NEW S WALES AGR & FISHERIES,YANCO AGR INST,YANCO,NSW 2703,AUSTRALIA. RP OLIVER, JE (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE,MD 20705, USA. NR 6 TC 14 Z9 14 U1 1 U2 1 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB SN 0040-4039 J9 TETRAHEDRON LETT JI Tetrahedron Lett. PD FEB 11 PY 1992 VL 33 IS 7 BP 891 EP 894 DI 10.1016/S0040-4039(00)91568-5 PG 4 WC Chemistry, Organic SC Chemistry GA HE904 UT WOS:A1992HE90400011 ER PT J AU FESTE, AS AF FESTE, AS TI REVERSED-PHASE CHROMATOGRAPHY OF PHENYLTHIOCARBAMYL AMINO-ACID DERIVATIVES OF PHYSIOLOGICAL AMINO-ACIDS - AN EVALUATION AND A COMPARISON WITH ANALYSIS BY ION-EXCHANGE CHROMATOGRAPHY SO JOURNAL OF CHROMATOGRAPHY-BIOMEDICAL APPLICATIONS LA English DT Article ID PERFORMANCE LIQUID-CHROMATOGRAPHY; PRECOLUMN DERIVATIZATION; SEQUENCE-ANALYSIS; PICOMOLE LEVEL; PLASMA; FLUIDS; PHTHALDIALDEHYDE; QUANTITATION; POLYPEPTIDE; SEPARATION AB Reversed-phase chromatography of phenylthiocarbamyl (PTC) amino acid derivatives of physiological amino acids was evaluated and compared with the traditional method of ion exchange. The PTC amino acid derivatives were stable for at least 32 h at ambient temperature before injection. The relationship of detector response to concentration for the PTC derivatives was linear from 39 to 1250 pmol. With few exceptions, the within- and between-run precisions of plasma amino acid retention times were less than 0.2 and 0.3%, respectively; the within- and between-run precisions of their concentrations were less than 4.0 and 5.0%, respectively. Twenty-four plasma samples were quantitated by both reversed-phase and ion-exchange chromatography; fifteen of the twenty amino acids determined had correlation coefficients in the range 0.81-1.00. Nine non-standard amino acids and ten therapeutic drugs were added to plasma; D-glucosaminic acid and alpha-amino-beta-guanidinopropionic acid co-eluted with alpha-aminoadipic acid and theronine, respectively. Of the ten drugs added, only metronidazole and theophylline co-eluted with beta-alanine and histidine, respectively. The precision, stability, and sensitivity of the method render it ideal for the quantitation of plasma amino acids. RP FESTE, AS (reprint author), USDA,ARS,CHILDRENS NUTR RES CTR,1100 BATES ST,HOUSTON,TX 77030, USA. NR 31 TC 35 Z9 36 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0378-4347 J9 J CHROMATOGR-BIOMED JI J. Chromatogr.-Biomed. Appl. PD FEB 7 PY 1992 VL 574 IS 1 BP 23 EP 34 DI 10.1016/0378-4347(92)80094-7 PG 12 WC Chemistry, Analytical SC Chemistry GA HD823 UT WOS:A1992HD82300004 PM 1629285 ER PT J AU MEHTA, RA FAWCETT, TW PORATH, D MATTOO, AK AF MEHTA, RA FAWCETT, TW PORATH, D MATTOO, AK TI OXIDATIVE STRESS CAUSES RAPID MEMBRANE TRANSLOCATION AND INVIVO DEGRADATION OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE OXYGENASE SO JOURNAL OF BIOLOGICAL CHEMISTRY LA English DT Article ID RIBULOSE-BISPHOSPHATE CARBOXYLASE; LARGE SUBUNIT; CHLOROPLAST MEMBRANE; SPINACH-CHLOROPLASTS; PROTEOLYTIC ACTIVITY; DIFFERENTIAL CHANGES; THYLAKOID PROTEINS; ESCHERICHIA-COLI; LEAF SENESCENCE; PHOTOSYSTEM-II AB We have studied the turnover of an abundant chloroplast protein, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rbu-P2 carboxylase/oxygenase), in plants (Spirodela oligorrhiza and Triticum aestivum L.) and algae (Chlamydomonas reinhardtii and C. moewusii) induced to senesce under oxidative conditions. RbU-P2 carboxylase/oxygenase activity and stability in vivo were found to be highly susceptible to oxidative stress, resulting in intermolecular cross-linking of large subunits by disulfide bonds within the holoenzyme, rapid and specific translocation of the soluble enzyme complex to the chloroplast membranes, and finally protein degradation. The redox state of Cys-247 in Rbu-P2 carboxylase/oxygenase large subunit seems involved in the sensitivity of the holoenzyme to oxidative inactivation and cross-linking. However, this process did not drive membrane attachment or degradation of Rbu-P2 carboxylase/oxygenase in vivo. Translocation of oxidized Rbu-P2 carboxylase/oxygenase to chloroplast membranes may be a necessary step in its turnover, particularly during leaf senescence. Thus, processes that regulate the redox state of plant cells seem closely intertwined with cellular switches shifting the leaf from growth and maturation to senescence and death. C1 USDA ARS,BELTSVILLE AGR RES CTR,PLANT MOLEC BIOL LAB,BLDG 006,RM 200,10300 BALTIMORE AVE,BELTSVILLE,MD 20705. UNIV MARYLAND,CATONSVILLE,MD 21228. RI Mattoo, Autar/G-9863-2011 NR 43 TC 141 Z9 152 U1 0 U2 4 PU AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 SN 0021-9258 J9 J BIOL CHEM JI J. Biol. Chem. PD FEB 5 PY 1992 VL 267 IS 4 BP 2810 EP 2816 PG 7 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA HB532 UT WOS:A1992HB53200104 PM 1733975 ER PT J AU HAYS, SM AF HAYS, SM TI TENDING THE FIELDS FROM AFAR SO AGRICULTURAL RESEARCH LA English DT Editorial Material RP HAYS, SM (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 2 EP 2 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000001 ER PT J AU BECKER, H SENFT, D AF BECKER, H SENFT, D TI SATELLITES KEY TO NEW FARMING AIDS SO AGRICULTURAL RESEARCH LA English DT Article RP BECKER, H (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 1 Z9 1 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 4 EP 8 PG 5 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000002 ER PT J AU SENFT, D AF SENFT, D TI EXTRA IRRIGATIONS PROTECT COTTON SO AGRICULTURAL RESEARCH LA English DT Article RP SENFT, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 9 EP 9 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000003 ER PT J AU HAYS, SM AF HAYS, SM TI VICTIMS NO ONE MOURNS SO AGRICULTURAL RESEARCH LA English DT Article RP HAYS, SM (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 10 EP 11 PG 2 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000004 ER PT J AU DEQUATTRO, J AF DEQUATTRO, J TI RUST-NO-MORE BEANS - NEW VARIETIES FEND OFF ALL 55 KNOWN RUST-CAUSING FUNGI SO AGRICULTURAL RESEARCH LA English DT Article RP DEQUATTRO, J (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,BELTSVILLE AGR RES CTR E,BLDG 419,10300 BALTIMORE AVE,BELTSVILLE,MD 20705, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 12 EP 14 PG 3 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000005 ER PT J AU COMIS, D AF COMIS, D TI RAIN, RUNOFF, AND UNDERGROUND WATER SO AGRICULTURAL RESEARCH LA English DT Article RP COMIS, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 1 Z9 1 U1 0 U2 3 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 16 EP 17 PG 2 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000006 ER PT J AU STANLEY, D AF STANLEY, D TI WHEN IS AN ORANGE NOT AN ORANGE SO AGRICULTURAL RESEARCH LA English DT Article RP STANLEY, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 1 Z9 1 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 18 EP 20 PG 3 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000007 ER PT J AU HARDIN, B AF HARDIN, B TI OVERCOMING GREENBUGS IN WHEAT SO AGRICULTURAL RESEARCH LA English DT Article RP HARDIN, B (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 1 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 21 EP 21 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000008 ER PT J AU SENFT, D AF SENFT, D TI CHECKING HONEY-BEE PRODUCTIVITY SO AGRICULTURAL RESEARCH LA English DT Note RP SENFT, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 22 EP 22 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000009 ER PT J AU WOOD, M AF WOOD, M TI INTENSIFYING TOMATOES FLAVOR SO AGRICULTURAL RESEARCH LA English DT Note RP WOOD, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 1 Z9 1 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 22 EP 22 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000010 ER PT J AU CORLISS, J AF CORLISS, J TI EXTENDING THE FORAGE SEASON SO AGRICULTURAL RESEARCH LA English DT Note RP CORLISS, J (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 23 EP 23 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000012 ER PT J AU MAZZOLA, V AF MAZZOLA, V TI BARNYARD FLIES DONT MAKE GOOD NEIGHBORS SO AGRICULTURAL RESEARCH LA English DT Note RP MAZZOLA, V (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD FEB PY 1992 VL 40 IS 2 BP 23 EP 23 PG 1 WC Agronomy SC Agriculture GA HE330 UT WOS:A1992HE33000011 ER PT J AU VAUGHN, SF LULAI, EC AF VAUGHN, SF LULAI, EC TI HYPERSENSITIVE AND ENZYME RESPONSES IN POTATO-TUBER TISSUE TREATED WITH VERTICILLIUM-DAHLIAE AND ARACHIDONIC-ACID SO AMERICAN POTATO JOURNAL LA English DT Article DE HYPERSENSITIVE RESPONSE; LIPOXYGENASE; POLYPHENOLOXIDASE; PEROXIDASE; ARACHIDONIC ACID; VERTICILLIUM-DAHLIAE ID ANIONIC PEROXIDASE; LIPOXYGENASE ACTIVITY; POLYPHENOL OXIDASE; FUSARIUM-WILT; RESISTANCE; TOMATO; PHYTOPHTHORA; CELLS; SUBERIZATION; INHIBITION AB Wound-healing tuber tissues from two potato cultivars, one resistant (cv. Reddale) and one susceptible (cv. Kennebec) to Verticillium wilt caused by the fungus Verticillium dahliae were treated with elicitor preparations of either an autoclaved mycelial extract of the fungus or with the fungal component arachidonic acid (AA). Wound-healing tissues were analyzed for hypersensitive cell browning (HCB) and alterations in lipoxygenase (LOX), polyphenoloxidase (PPO), and peroxidase (PER) activities, because all three enzymes are thought to be involved in the hypersensitive response and plant defense. Healing Reddale tissues that were treated with the elicitors exhibited a much more rapid and intense HCB than did the healing Kennebec tissues. By 96 h, Reddale tissues treated with either elicitor preparation appeared dark brown and necrotic. Treated Kennebec tissues appeared only slightly darker than the controls after 96 h. LOX, PPO and PER activities in treated Reddale tissues were significantly less than that found in the control after 48 h, and by 96 h PPO and PER activities were nearly zero. In contrast, LOX activity in AA-treated Kennebec disks was higher than in the control at 96 h, while the activities of PPO and PER had decreased to about 60% of the control at the same time period. Our results show that HCB is strongly correlated with V. dahliae and AA elicitor treatments in the resistant vs. the susceptible cultivar, while the overall role of the three enzymes in cell browning and death remain unclear. C1 USDA,ARS,RED RIVER VALLEY POTATO RES LAB,E GRAND FORKS,MN 56721. NR 33 TC 3 Z9 3 U1 0 U2 3 PU POTATO ASSN AMER PI ORONO PA UNIV MAINE 114 DEERING HALL, ORONO, ME 04469 SN 0003-0589 J9 AM POTATO J JI Am. Potato J. PD FEB PY 1992 VL 69 IS 2 BP 105 EP 116 DI 10.1007/BF02855339 PG 12 WC Agronomy SC Agriculture GA HG174 UT WOS:A1992HG17400003 ER PT J AU HALLAHAN, C AF HALLAHAN, C TI DBMS COPY AND DBMS COPY PLUS (VERSION 2.0) SO AMERICAN STATISTICIAN LA English DT Software Review RP HALLAHAN, C (reprint author), USDA,ECON RES SERV,WASHINGTON,DC 20005, USA. NR 0 TC 1 Z9 1 U1 0 U2 0 PU AMER STATISTICAL ASSOC PI ALEXANDRIA PA 1429 DUKE ST, ALEXANDRIA, VA 22314 SN 0003-1305 J9 AM STAT JI Am. Stat. PD FEB PY 1992 VL 46 IS 1 BP 49 EP 52 DI 10.2307/2684412 PG 4 WC Statistics & Probability SC Mathematics GA HB062 UT WOS:A1992HB06200012 ER PT J AU DALLAL, GE AF DALLAL, GE TI THE 17 10 RULE FOR SAMPLE-SIZE DETERMINATIONS SO AMERICAN STATISTICIAN LA English DT Letter RP DALLAL, GE (reprint author), TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111, USA. NR 4 TC 3 Z9 4 U1 0 U2 1 PU AMER STATISTICAL ASSOC PI ALEXANDRIA PA 1429 DUKE ST, ALEXANDRIA, VA 22314 SN 0003-1305 J9 AM STAT JI Am. Stat. PD FEB PY 1992 VL 46 IS 1 BP 70 EP 70 PG 1 WC Statistics & Probability SC Mathematics GA HB062 UT WOS:A1992HB06200015 ER PT J AU ABRAHAMSON, SL SPEISER, DM OW, DW AF ABRAHAMSON, SL SPEISER, DM OW, DW TI A GEL-ELECTROPHORESIS ASSAY FOR PHYTOCHELATINS SO ANALYTICAL BIOCHEMISTRY LA English DT Article ID METAL-BINDING PEPTIDES; SCHIZOSACCHAROMYCES-POMBE; PLANTS; METALLOTHIONEINS C1 USDA ARS,CTR PLANT GENE EXPRESS,ALBANY,CA 94710. NR 16 TC 13 Z9 13 U1 0 U2 1 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0003-2697 J9 ANAL BIOCHEM JI Anal. Biochem. PD FEB 1 PY 1992 VL 200 IS 2 BP 239 EP 243 DI 10.1016/0003-2697(92)90459-K PG 5 WC Biochemical Research Methods; Biochemistry & Molecular Biology; Chemistry, Analytical SC Biochemistry & Molecular Biology; Chemistry GA HB926 UT WOS:A1992HB92600005 PM 1632488 ER PT J AU SMITH, CR TOUSIGNANT, ME KAPER, JM AF SMITH, CR TOUSIGNANT, ME KAPER, JM TI REPLICATION FOOTPRINT ANALYSIS OF CUCUMBER MOSAIC-VIRUS ELECTROPORATED INTO TOMATO PROTOPLASTS SO ANALYTICAL BIOCHEMISTRY LA English DT Article ID MESOPHYLL PROTOPLASTS; TOBACCO PROTOPLASTS; DISEASE EXPRESSION; NUCLEIC-ACIDS; VIRAL-RNA; CARNA-5; CELLS; NECROSIS C1 USDA ARS,BELTSVILLE AGR RES CTR,INST PLANT SCI,MICROBIOL & PLANT PATHOL,BELTSVILLE,MD 20705. NR 27 TC 9 Z9 9 U1 1 U2 1 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0003-2697 J9 ANAL BIOCHEM JI Anal. Biochem. PD FEB 1 PY 1992 VL 200 IS 2 BP 310 EP 314 DI 10.1016/0003-2697(92)90471-I PG 5 WC Biochemical Research Methods; Biochemistry & Molecular Biology; Chemistry, Analytical SC Biochemistry & Molecular Biology; Chemistry GA HB926 UT WOS:A1992HB92600017 PM 1378705 ER PT J AU LABEDA, DP LYONS, AJ AF LABEDA, DP LYONS, AJ TI DNA RELATEDNESS AMONG STRAINS OF THE SWEET-POTATO PATHOGEN STREPTOMYCES-IPOMOEA (PERSON AND MARTIN 1940) WAKSMAN AND HENRICI 1948 SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY LA English DT Article ID ACID AB DNA relatedness among 28 putative strains of Streptomyces ipomoea from geographically diverse locations and the type strain, NRRL B-12321, was determined spectrophotometrically. The data confirm that these 28 strains are not closely related genetically to the plant-pathogenic species Streptomyces scabies (39% DNA relatedness) or Streptomyces acidiscabies (17% DNA relatedness) or any other major blue-spored Streptomyces species (< 30% DNA relatedness). Of the 29 strains examined, 4 could be clearly distinguished from S. ipomoea on the basis of morphological criteria, i.e., they had gray rather than blue spores and produced melanin pigment, and their low DNA relatedness to authentic S. ipomoea strains confirmed their original misidentification. The remaining 25 S. ipomoea strains exhibited high DNA relatedness among themselves (76 to 100% homology), even though they had been isolated in different locations throughout the United States and Japan. The avirulent type strain, NRRL B-12321, exhibited slightly lower DNA relatedness with the virulent strains of S. ipomoea (85% average DNA relatedness) than was observed among the virulent strains (average of 96% DNA relatedness). RP LABEDA, DP (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604, USA. NR 17 TC 23 Z9 24 U1 0 U2 0 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0099-2240 J9 APPL ENVIRON MICROB JI Appl. Environ. Microbiol. PD FEB PY 1992 VL 58 IS 2 BP 532 EP 535 PG 4 WC Biotechnology & Applied Microbiology; Microbiology SC Biotechnology & Applied Microbiology; Microbiology GA HC494 UT WOS:A1992HC49400015 PM 1610178 ER PT J AU SADOWSKY, MJ CREGAN, PB AF SADOWSKY, MJ CREGAN, PB TI THE SOYBEAN RJ4 ALLELE RESTRICTS NODULATION BY BRADYRHIZOBIUM-JAPONICUM SEROGROUP 123 STRAINS SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY LA English DT Article ID LINKED IMMUNOSORBENT-ASSAY; RHIZOBIUM-JAPONICUM; ANTIBIOTIC-RESISTANCE; SEROCLUSTER-123; DIVERSITY AB Of nine Bradyrhizobium japonicum serogroup 123 strains examined, 44% were found to be restricted for nodulation by cultivar Hill. Nodulation studies with soybean isoline BARC-2 confirmed that the soybean Rj4 allele restricts nodulation by the same serogroup 123 isolates. Immunological analyses indicated that B. japonicum strains in serogroups 123 and 31 share at least one surface somatic antigen. C1 UNIV MINNESOTA,DEPT MICROBIOL,ST PAUL,MN 55108. USDA ARS,BELTSVILLE AGR RES CTR,SOYBEAN & ALFALFA RES LAB,BELTSVILLE,MD 20705. RP SADOWSKY, MJ (reprint author), UNIV MINNESOTA,DEPT SOIL SCI,ST PAUL,MN 55108, USA. RI Sadowsky, Michael/J-2507-2016 OI Sadowsky, Michael/0000-0001-8779-2781 NR 21 TC 24 Z9 24 U1 0 U2 0 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0099-2240 J9 APPL ENVIRON MICROB JI Appl. Environ. Microbiol. PD FEB PY 1992 VL 58 IS 2 BP 720 EP 723 PG 4 WC Biotechnology & Applied Microbiology; Microbiology SC Biotechnology & Applied Microbiology; Microbiology GA HC494 UT WOS:A1992HC49400046 PM 16348655 ER PT J AU FARRELL, HM LEUNG, CT WICKHAM, ED AF FARRELL, HM LEUNG, CT WICKHAM, ED TI DISTRIBUTION OF ATPASE ACTIVITY IN THE LACTATING RAT MAMMARY-GLAND AND ITS POSSIBLE ROLE IN AN ATP CYCLE IN THE GOLGI-APPARATUS SO ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS LA English DT Article ID NUCLEOSIDE-DIPHOSPHATASE; ADENOSINE DIPHOSPHATASE; ISOCITRATE DEHYDROGENASE; SUBCELLULAR-LOCALIZATION; CASEIN KINASE; PHOSPHORYLATION; VESICLES; LIVER; NADP+; CELLS RP FARRELL, HM (reprint author), USDA ARS,EASTERN REG RES CTR,PHILADELPHIA,PA 19118, USA. NR 28 TC 8 Z9 8 U1 1 U2 1 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0003-9861 J9 ARCH BIOCHEM BIOPHYS JI Arch. Biochem. Biophys. PD FEB 1 PY 1992 VL 292 IS 2 BP 368 EP 375 DI 10.1016/0003-9861(92)90004-G PG 8 WC Biochemistry & Molecular Biology; Biophysics SC Biochemistry & Molecular Biology; Biophysics GA GY858 UT WOS:A1992GY85800004 PM 1731606 ER PT J AU CAMPOS, H GENEST, JJ BLIJLEVENS, E MCNAMARA, JR JENNER, JL ORDOVAS, JM WILSON, PWF SCHAEFER, EJ AF CAMPOS, H GENEST, JJ BLIJLEVENS, E MCNAMARA, JR JENNER, JL ORDOVAS, JM WILSON, PWF SCHAEFER, EJ TI LOW-DENSITY-LIPOPROTEIN PARTICLE-SIZE AND CORONARY-ARTERY DISEASE SO ARTERIOSCLEROSIS AND THROMBOSIS LA English DT Article DE LOW DENSITY LIPOPROTEIN PARTICLE SIZE; GRADIENT GEL ELECTROPHORESIS; PLASMA LIPOPROTEINS; TRIGLYCERIDES; CHOLESTEROL; APOLIPOPROTEINS; CORONARY ARTERY DISEASE ID APOLIPOPROTEIN-A-I; HEART-DISEASE; MYOCARDIAL-INFARCTION; CHOLESTEROL LEVELS; SUBCLASS PATTERNS; RISK-FACTORS; PLASMA; ATHEROSCLEROSIS; FRAMINGHAM; HETEROGENEITY AB Decreased plasma low density lipoprotein (LDL) particle size has been associated with premature coronary artery disease (CAD). We examined LDL particle size by 2-16% gradient gel electrophoresis in 275 men with CAD (> 75% cross-sectional-area stenosis) and 822 controls. Seven major LDL size bands (with LDL-1 [d = 1.025-1.033 g/ml] being the largest and LDL-7 [d = 1.050-1.063 g/ml, the smallest]) were identified. Because most subjects had two or more adjacent LDL bands, an LDL score was calculated for each subject, with the relative area in each band taken into consideration. Four major LDL particle size groups were classified in the present studies: large LDL, intermediate LDL, small LDL, and very small LDL. The use of beta-blockers was significantly associated with smaller LDL particles. After adjusting for use of this medication, small LDL particles were still more prevalent in CAD patients (39%) compared with controls (27%). The prevalence of large LDL particles was lower in CAD patients (3%) than in controls (24%). Intermediate LDL particles were the most prevalent in both groups, 49% in CAD patients and 46% in controls. The difference in LDL particle size between CAD patients and controls was not independent but was highly associated (p < 0.0001) with elevated triglyceride levels and decreased high density lipoprotein (HDL) cholesterol levels. Significantly higher LDL cholesterol levels were found in subjects with intermediate and small LDL particles than in those with large or very small LDL particles. In addition, CAD patients with intermediate or small LDL particles had significantly (p < 0.01) lower HDL cholesterol and apolipoprotein A-I levels and higher LDL cholesterol levels than did controls in the same group. Smoking, hypertension, diabetes, and HDL and LDL cholesterol levels were strong discriminators between CAD patients and controls, while triglycerides and LDL particle size did not add significant information to the model. These data indicate that small LDL particle size is not an independent discriminator for CAD after conventional risk factors and lipoprotein parameters such as LDL and HDL cholesterol have been taken into account. C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,LIPID METAB LAB,711 WASHINGTON ST,BOSTON,MA 02111. NEW ENGLAND MED CTR HOSP,DEPT MED,DIV CARDIOL,BOSTON,MA. NHLBI,FRAMINGHAM HEART STUDY,FRAMINGHAM,MA. OI Ordovas, Jose/0000-0002-7581-5680 FU NHLBI NIH HHS [HL-35243, HV83-03] NR 41 TC 433 Z9 438 U1 0 U2 6 PU AMER HEART ASSOC PI DALLAS PA 7272 GREENVILLE AVENUE, DALLAS, TX 75231-4596 SN 1049-8834 J9 ARTERIOSCLER THROMB JI Arterioscler. Thromb. PD FEB PY 1992 VL 12 IS 2 BP 187 EP 195 PG 9 WC Cardiac & Cardiovascular Systems; Peripheral Vascular Disease SC Cardiovascular System & Cardiology GA HE668 UT WOS:A1992HE66800007 PM 1543692 ER PT J AU CIVEIRA, F GENEST, J POCOVI, M SALEM, DN HERBERT, PN WILSON, PWF SCHAEFER, EJ ORDOVAS, JM AF CIVEIRA, F GENEST, J POCOVI, M SALEM, DN HERBERT, PN WILSON, PWF SCHAEFER, EJ ORDOVAS, JM TI THE MSPI RESTRICTION-FRAGMENT-LENGTH-POLYMORPHISM 3' TO THE APOLIPOPROTEIN-A-II GENE - RELATIONSHIPS WITH LIPIDS, APOLIPOPROTEINS, AND PREMATURE CORONARY-ARTERY DISEASE SO ATHEROSCLEROSIS LA English DT Article DE APOLIPOPROTEIN-A-II; RFLPS; HDL CHOLESTEROL; CORONARY ARTERY DISEASE ID HIGH-DENSITY-LIPOPROTEIN; APOPROTEIN-AII GENE; DETERMINING ATHEROSCLEROSIS SUSCEPTIBILITY; FAMILIAL DEFECTIVE APOLIPOPROTEIN-B-100; ISCHEMIC HEART-DISEASE; DNA POLYMORPHISMS; NUCLEOTIDE-SEQUENCE; C-III; STRUCTURAL GENE; CLONED CDNA AB In previous studies, a restriction fragment length polymorphism (RFLP) has been identified using MspI restriction endonuclease in the 3' region of the apo A-II gene. The rare variant site for this MspI (M2) has been reported to be associated with higher levels of HDL cholesterol and apo A-II. We have studied the frequency and lipid associations of this RFLP in a population of 168 coronary artery disease (CAD) male and female patients, who had more than 50% narrowing of one or more arteries prior to age 60 years, as well as 255 aged-matched males and females from the Framingham Offspring Study. We also studied 31 kindreds in which the proband had premature CAD. The frequency of the M2 allele was higher in CAD cases (0.20) than in the controls (0.13) (P < 0.05). In general, those subjects carrying the M2 allele had lower HDL cholesterol and apo A-I plasma levels; however, this difference was only significant (P < 0.02 and 0.002, respectively) in females with CAD. No cosegregation of the M2 allele with hypoalphalipoproteinemia was found in 31 kindreds studied. However, in both generations there was a trend for those subjects carrying the M2 allele to have lower HDL cholesterol levels than those carrying the M1 allele. Sequence analysis of the apo A-II gene of subjects homozygous for either the M1 (n = 1) or the M2 allele (n = 2) revealed that this RFLP is due to a T --> C single base mutation 528 bp 3' to the apo A-II gene. In the subjects homozygous for the M2 allele no other mutations were found within the coding region of the apo A-II gene that could result in changes in the primary sequence of the protein. These data indicate that the MspI RFLP 3' to the apo A-II gene is somewhat more frequent in the CAD group. However, there was no significant association between this RFLP and any of the parameters examined. In conclusion, this DNA marker lacks the specificity to be clinically useful for CAD risk assessment in the population studied. C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,LIPID METAB LAB,711 WASHINGTON ST,BOSTON,MA 02111. NEW ENGLAND MED CTR HOSP,DEPT MED,DIV CARDIOL,BOSTON,MA 02111. MIRIAM HOSP,DEPT MED,PROVIDENCE,RI 02906. FRAMINGHAM HEART DIS EPIDEMIOL STUDY,FRAMINGHAM,MA. OI Ordovas, Jose/0000-0002-7581-5680 FU NHLBI NIH HHS [HL35243, HV 83-03] NR 90 TC 18 Z9 18 U1 1 U2 4 PU ELSEVIER SCI IRELAND LTD PI CLARE PA CUSTOMER RELATIONS MANAGER, BAY 15, SHANNON INDUSTRIAL ESTATE CO, CLARE, IRELAND SN 0021-9150 J9 ATHEROSCLEROSIS JI Atherosclerosis PD FEB PY 1992 VL 92 IS 2-3 BP 165 EP 176 DI 10.1016/0021-9150(92)90275-L PG 12 WC Cardiac & Cardiovascular Systems; Peripheral Vascular Disease SC Cardiovascular System & Cardiology GA HH275 UT WOS:A1992HH27500008 PM 1352975 ER PT J AU JACOBSEN, KR FISHER, DG MARETZKI, A MOORE, PH AF JACOBSEN, KR FISHER, DG MARETZKI, A MOORE, PH TI DEVELOPMENTAL-CHANGES IN THE ANATOMY OF THE SUGARCANE STEM IN RELATION TO PHLOEM UNLOADING AND SUCROSE STORAGE SO BOTANICA ACTA LA English DT Article DE SACCHARUM-OFFICINARUM; PHLOEM UNLOADING; STEM ANATOMY; LIGNIFICATION; SUBERIZATION; SUGAR STORAGE ID SUBERIZED BUNDLE SHEATHS; FREE-SPACE MARKER; GRASSES POACEAE; PATHWAY; CUTIN AB Transverse sections of immature and mature sugarcane internodes were investigated anatomically with white and fluorescence light microscopy. The pattern of lignification and suberization was tested histochemically. Lignification began in the xylem of vascular bundles and progressed through the sclerenchymatic bundle sheath into the storage parenchyma. Suberization began in parenchyma cells adjacent to vascular bundle sheaths and spread to the storage parenchyma and outer sheath cells. In mature internodes most of the storage parenchyma was lignified and suberized to a significant degree, except in portions of walls of isolated cells. The pattern of increasing lignification and suberization in maturing internodes more or less paralleled an increase of sucrose in stem tissue. In mature internodes having a high sucrose concentration, the vascular tissue was surrounded by thick-walled, lignified and suberized sclerenchyma cells. The apoplastic tracer dyes trisodium 3-hydroxy-5,8,10-pyrenetrisulfonate (PTS) and amido black 10 B, fed into cut ends of the stalk, were confined to the vascular bundles in all internodes above the one that was cut - with no dye apparently in storage parenchyma tissue. Thus both structural and experimental evidence is consistent with vascular tissue being increasingly isolated from the storage parenchyma as maturation of the tissue proceeds. We conclude that in mature internodes the pathway for sugars from the phloem to the storage parenchyma is symplastic. The data suggest that an increasingly greater role for a symplastic pathway of sugar transfer occurs as the tissue undergoes lignification/suberization. C1 USDA ARS,AIEA,HI. HAWAIIAN SUGAR PLANTERS ASSOC,DEPT GENET & PATHOL,AIEA,HI 96701. RP JACOBSEN, KR (reprint author), UNIV HAWAII,DEPT BOT,3190 MAILE WAY,HONOLULU,HI 96822, USA. NR 36 TC 52 Z9 58 U1 5 U2 19 PU GEORG THIEME VERLAG PI STUTTGART PA P O BOX 30 11 20, D-70451 STUTTGART, GERMANY SN 0932-8629 J9 BOT ACTA JI Bot. Acta PD FEB PY 1992 VL 105 IS 1 BP 70 EP 80 PG 11 WC Plant Sciences SC Plant Sciences GA HQ652 UT WOS:A1992HQ65200010 ER PT J AU VERMA, SB ULLMAN, FG BILLESBACH, D CLEMENT, RJ KIM, J VERRY, ES AF VERMA, SB ULLMAN, FG BILLESBACH, D CLEMENT, RJ KIM, J VERRY, ES TI EDDY-CORRELATION MEASUREMENTS OF METHANE FLUX IN A NORTHERN PEATLAND ECOSYSTEM SO BOUNDARY-LAYER METEOROLOGY LA English DT Article ID SENSIBLE HEAT FLUXES; WATER-VAPOR; CARBON-DIOXIDE; CROP SURFACE; CO2; FLUCTUATIONS; TEMPERATURE AB A pilot study to measure methane flux using eddy correlation sensors was conducted in a peatland ecosystem in north central Minnesota. A prototype tunable diode laser spectrometer system was employed to measure the fluctuations in methane concentration. The logarithmic cospectrum of methane concentration and vertical wind velocity fluctuations under moderately unstable conditions had a peak near f = 0.10 (where f is the nondimensional frequency) and was quite similar to the cospectra of water vapor and sensible heat. Daytime methane flux during the first two weeks of August ranged from 120 to 270 mg m-2 day-1. The temporal variation in methane fluxes was consistent with changes in peat temperature and water table elevation. Our results compared well with the range of values obtained in previous studies in Minnesota peatlands. These field observations demonstrate the utility of the micrometeorological eddy correlation technique for measuring surface fluxes of methane. The current state-of-the-art in tunable diode laser spectroscopy makes this approach practical for use in key ecosystems. C1 UNIV NEBRASKA,CTR LASER ANALYT STUDIES TRACE GAS DYNAM,DEPT ELECT ENGN,LINCOLN,NE 68588. US FOREST SERV,GRAND RAPIDS,MN. RP VERMA, SB (reprint author), UNIV NEBRASKA,CTR LASER ANALYT STUDIES TRACE GAS DYNAM,DEPT AGR METEOROL,LINCOLN,NE 68588, USA. NR 24 TC 62 Z9 62 U1 1 U2 6 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0006-8314 J9 BOUND-LAY METEOROL JI Bound.-Layer Meteor. PD FEB PY 1992 VL 58 IS 3 BP 289 EP 304 DI 10.1007/BF02033829 PG 16 WC Meteorology & Atmospheric Sciences SC Meteorology & Atmospheric Sciences GA HA349 UT WOS:A1992HA34900006 ER PT J AU GULYA, TJ FREEMAN, TP MAYHEW, DE AF GULYA, TJ FREEMAN, TP MAYHEW, DE TI ULTRASTRUCTURE OF VIRUS-LIKE PARTICLES IN PLASMOPARA-HALSTEDII SO CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE LA English DT Article DE MYCOVIRUS; DOWNY MILDEW; HELIANTHUS-ANNUUS ID DOWNY MILDEW; MYCELIUM AB Virus-like particles were observed in five North Dakota isolates of Plasmopara halstedii race 2, the causal agent of sunflower downy mildew. Virus-like particles were observed in fungal mycelium within sunflower seedlings showing typical symptoms of systemic infection as well as from seedlings displaying "twisted leaf syndrome." Virus-like particles were never observed in sunflower cells. The particles were isometric in shape and measured 23 - 26 nm in thin sections and 32 nm after phosphotungstic acid staining. Virus-like particles occurred dispersed throughout the cytoplasm and in membrane-bound organelles. Both crystalline and noncrystalline arrays were common. The particles were observed in haustoria, intercellular hypha, sporangiophores, zoosporangia, and oospores. Four species of double-stranded RNA were detected in sunflower tissue infected with P. halstedii; none were detected in healthy sunflower tissue. This is only the second report of an isometric, virus-like particle occurring in a member of the Peronosporales. C1 N DAKOTA STATE UNIV,ELECTRON MICROSCOPY LAB,FARGO,ND 58105. CALIF DEPT FOOD & AGR,ANAL & IDENTIFICAT LAB,SACRAMENTO,CA 95814. RP GULYA, TJ (reprint author), USDA,NO CROP SCI LAB,POB 5677,FARGO,ND 58105, USA. NR 20 TC 4 Z9 4 U1 1 U2 2 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0008-4026 J9 CAN J BOT JI Can. J. Bot.-Rev. Can. Bot. PD FEB PY 1992 VL 70 IS 2 BP 334 EP 339 PG 6 WC Plant Sciences SC Plant Sciences GA HQ313 UT WOS:A1992HQ31300013 ER PT J AU SANXTER, SS YAMAMOTO, HY FISHER, DG CHAN, HT AF SANXTER, SS YAMAMOTO, HY FISHER, DG CHAN, HT TI DEVELOPMENT AND DECLINE OF CHLOROPLASTS IN EXOCARP OF CARICA-PAPAYA SO CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE LA English DT Article DE CHLOROPHYLL FLUORESCENCE; ULTRASTRUCTURE; FRUIT DEVELOPMENT; RIPENING ID DELAYED LIGHT-EMISSION; CHLOROPHYLL FLUORESCENCE; LIQUID-CHROMATOGRAPHY; FRUIT; LEAVES; PHYSIOLOGY; LEAF AB Photosynthetic and ultrastructural changes of plastids in papaya fruit exocarp (Carica papaya L.) from immature to 3/4-ripe stages were characterized. Pulse-modulated chlorophyll fluorometry indicated primary photochemical yield developed maximally by the dead-green stage and did not decrease thereafter, even in 3/4-ripe fruit. Nonphotochemical quenching, a reflection of DELTA-pH, also developed maximally by the dead-green stage but began declining at the 1/4-ripe stage. The pattern of photochemical quenching, an indicator of oxidation of primary electron acceptors, was similar to nonphotochemical quenching. Chlorophyll a to b ratio was 2.25 in immature fruits and about 1.70 in more mature stages. Immature fruit plastids contained loosely appressed thylakoids with few grana, whereas more mature fruits up to the 1/4-ripe stage had well-developed grana, Grana of 3/4-ripe fruit were destacked; thylakoids often formed vesicles. These results, along with the fluorescence properties, suggest papaya-fruit chloroplasts are mature at the dead-green and mature-green stages and at these stages resemble chloroplasts in green leaf mesophyll tissue. When internal fruit ripening began (1/4-ripe), photosynthetic and ultrastructural qualities of the exocarp remained relatively unchanged, indicating external ripeness lagged considerably behind internal ripeness. Although grana of 3/4-ripe fruits were structurally disorganized, the ability for primary photochemistry was retained. C1 UNIV HAWAII,DEPT PLANT MOLEC PHYSIOL,HONOLULU,HI 96822. UNIV HAWAII,DEPT BOT,HONOLULU,HI 96822. RP SANXTER, SS (reprint author), USDA ARS,POB 4459,HILO,HI 96720, USA. NR 28 TC 7 Z9 10 U1 0 U2 0 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0008-4026 J9 CAN J BOT JI Can. J. Bot.-Rev. Can. Bot. PD FEB PY 1992 VL 70 IS 2 BP 364 EP 373 PG 10 WC Plant Sciences SC Plant Sciences GA HQ313 UT WOS:A1992HQ31300018 ER PT J AU BOEHM, EWA WENSTROM, JC MCLAUGHLIN, DJ SZABO, LJ ROELFS, AP BUSHNELL, WR AF BOEHM, EWA WENSTROM, JC MCLAUGHLIN, DJ SZABO, LJ ROELFS, AP BUSHNELL, WR TI AN ULTRASTRUCTURAL PACHYTENE KARYOTYPE FOR PUCCINIA-GRAMINIS FSP TRITICI SO CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE LA English DT Article DE CHROMOSOMES; HETEROBASIDIOMYCETE; SYNAPTONEMAL COMPLEX; UREDINALES ID CHROMOSOME LENGTH POLYMORPHISMS; HOLLYHOCK RUST FUNGUS; SYNAPTONEMAL COMPLEXES; SACCHAROMYCES-CEREVISIAE; RECOMBINATION NODULES; EOCRONARTIUM-MUSCICOLA; MEIOTIC CHROMOSOMES; COPRINUS-CINEREUS; SERIAL SECTIONS; MEIOSIS AB The karyotype for Puccinia graminis f.sp. tritici was determined from reconstructions of electron micrographs of serially sectioned pachytene nuclei. Epifluorescence microscopy was used to select DAPI-stained, pachytene nuclei in teliospore protoplasts from which walls were mechanically removed. Selection increased the probability that pachytene nuclei could be found in the absence of morphological markers. Six pachytene nuclei were reconstructed from four geographically disparate North American isolates. One nucleus was used to obtain a computer-enhanced, three-dimensional reconstruction that could be rendered as rotatable colorized stereo pairs. A karyotype of n = 18 was determined for all six nuclei. The 18 bivalents varied only slightly in size, each ranging from 3.0 to 8.8% of the total length of the genome. Total genomic lengths also proved highly comparable among isolates. Centromeres were not found, precluding use of the centromeric index as an aid in karyotyping. Only the nucleolus-associated bivalent could be cross-correlated among the six reconstructed nuclei. Heterogeneity in length among, but not within, isolates was observed for this bivalent, suggesting that chromosome length may be polymorphic in P. graminis f.sp. tritici, despite a constant total number of chromosomes. C1 UNIV MINNESOTA,USDA ARS,CEREAL RUST LAB,ST PAUL,MN 55108. UNIV MINNESOTA,DEPT CELL BIOL & NEUROANAT,BIOMED IMAGE PROC LAB,MINNEAPOLIS,MN 55455. UNIV MINNESOTA,DEPT PLANT BIOL,ST PAUL,MN 55108. NR 70 TC 21 Z9 21 U1 1 U2 4 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0008-4026 J9 CAN J BOT JI Can. J. Bot.-Rev. Can. Bot. PD FEB PY 1992 VL 70 IS 2 BP 401 EP 413 PG 13 WC Plant Sciences SC Plant Sciences GA HQ313 UT WOS:A1992HQ31300023 ER PT J AU ROBERTS, BR CANNON, WN AF ROBERTS, BR CANNON, WN TI GROWTH AND WATER RELATIONSHIPS OF RED SPRUCE SEEDLINGS EXPOSED TO ATMOSPHERIC DEPOSITION AND DROUGHT SO CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE LA English DT Article ID SIMULATED ACID-RAIN; FOREST DECLINE; OZONE; PHOTOSYNTHESIS; STRESS; PRECIPITATION; PHYSIOLOGY; PINE; FIR AB Two-year-old containerized seedlings of red spruce (Picea rubens Sarg.) were subjected to ozone (O3) fumigation (0.25 ppm), simulated acid rain (pH 4.2 or 3.0), and drought prior to measurement of changes in growth and plant water status. Drought caused a significant decline in terminal height growth and new-shoot dry weight, but old-shoot dry weight, root dry weight, and root/shoot ratio were not appreciably affected. Deposition treatment (O3 and (or) acid rain) influenced both shoot and root dry weight but did not significantly affect height or root/shoot ratio. Treatment with either 0.25 ppm O3 alone or pH 3.0 rainfall alone caused the greatest reduction in growth, while treatment with 0.25 ppm O3 + pH 4.2 rain had the least effect. The influence of deposition treatment generally was more pronounced in seedlings subjected to drought than in well-watered plants. Seedlings subjected to drought had lower (more negative) water potentials than well-watered plants regardless of deposition treatment. While there were no significant differences in the water status of well-watered seedlings exposed to various deposition treatments, xylem water potential and osmotic potential of drought-stressed seedlings treated with O3 alone were consistently lower than these characteristics in seedlings treated with O3 + acid rain together. Except for one deposition treatment (0.25 ppm O3 + pH 3.0 rain) there was no evidence for osmotic adjustment of red spruce seedlings in response to stress factors imposed in this study. C1 US FOREST SERV,NE FOREST EXPT STN,DELAWARE,OH 43015. OHIO WESLEYAN UNIV,DEPT BOT & MICROBIOL,DELAWARE,OH 43015. NR 31 TC 10 Z9 11 U1 2 U2 9 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0045-5067 J9 CAN J FOREST RES JI Can. J. For. Res.-Rev. Can. Rech. For. PD FEB PY 1992 VL 22 IS 2 BP 193 EP 197 DI 10.1139/x92-025 PG 5 WC Forestry SC Forestry GA HL112 UT WOS:A1992HL11200007 ER PT J AU SCHREUDER, HT OUYANG, Z AF SCHREUDER, HT OUYANG, Z TI OPTIMAL SAMPLING STRATEGIES FOR WEIGHTED LINEAR-REGRESSION ESTIMATION SO CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE LA English DT Article AB Our strong effort to find an optimal sampling strategy that was clearly superior to other strategies for a range of linearity conditions and variance structures for linear models showed that several sampling strategies turned out to be equally efficient. Each of these stratified the population to the maximum extent feasible, i.e., used n strata based on a covariate. Which of two ways of stratification to use and how units in each stratum were selected (simple random sampling or sampling with probability proportional to size) did not seem to matter much. Two regression estimators, one considering both probability and variance weights (Y(gr)) and one considering only probability weights (Y(pi)), are preferred estimators with the five efficient sampling selection schemes that select one unit per stratum with either or unequal probability sampling. The bootstrap variance estimator is generally the least biased, yet conservative, variance estimator and yields reliable coverage rates with 95% confidence intervals for most populations studied. C1 COLORADO STATE UNIV,DEPT STAT,FT COLLINS,CO 80526. RP SCHREUDER, HT (reprint author), US FOREST SERV,ROCKY MT FOREST & RANGE EXPT STN,FT COLLINS,CO 80526, USA. NR 17 TC 5 Z9 5 U1 0 U2 1 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0045-5067 J9 CAN J FOREST RES JI Can. J. For. Res.-Rev. Can. Rech. For. PD FEB PY 1992 VL 22 IS 2 BP 239 EP 247 DI 10.1139/x92-031 PG 9 WC Forestry SC Forestry GA HL112 UT WOS:A1992HL11200013 ER PT J AU CAMPOS, H MATA, L SILES, X VIVES, M ORDOVAS, JM SCHAEFER, EJ AF CAMPOS, H MATA, L SILES, X VIVES, M ORDOVAS, JM SCHAEFER, EJ TI PREVALENCE OF CARDIOVASCULAR RISK-FACTORS IN RURAL AND URBAN COSTA-RICA SO CIRCULATION LA English DT Article DE PLASMA LIPOPROTEINS; CHOLESTEROL; TRIGLYCERIDES; LATIN-AMERICA ID DENSITY-LIPOPROTEIN CHOLESTEROL; CORONARY-ARTERY DISEASE; FOOD FREQUENCY QUESTIONNAIRE; ISCHEMIC-HEART-DISEASE; MYOCARDIAL-INFARCTION; PLASMA; FRAMINGHAM; INTERMEDIATE; HEALTH; VALIDATION AB Background. Coronary artery disease (CAD) is becoming more prevalent in developing countries, particularly in the urban areas, in contrast to the CAD mortality trends observed in some industrialized nations. Methods and Results. We determined the prevalence of cardiovascular risk factors (hypertension, diabetes, smoking, obesity, total cholesterol greater-than-or-equal-to 240 mg/dl and greater-than-or-equal-to 200 less-than-or-equal-to 239 mg/dl, low density lipoprotein (LDL) cholesterol greater-than-or-equal-to 160 mg/dl and > 130 less-than-or-equal-to 159 mg/dl, and high density lipoprotein (HDL) cholesterol < 35 mg/dl) in 222 men and 243 women from rural and urban areas of Puriscal, Costa Rica, using the American Cholesterol Education Program guidelines. Urban Puriscal men had a significantly (p < 0.05) higher prevalence of borderline high-risk total cholesterol (26% versus 14%), borderline high-risk LDL cholesterol (21% versus 11%), smoking (32% versus 13%), and higher prevalence of low HDL cholesterol (34% versus 24%), hypertension (16% versus 13%), diabetes (4.5% versus 2.7%), obesity (21% versus 14%), and saturated fat intake > 15% of calories (14% versus 7%) than rural men from Puriscal. No significant differences between rural and urban women were found for any of the cardiovascular risk factors. Urban Puriscal residents were also more sedentary than rural Puriscal residents. Conclusions. These data indicate that modifiable risk factors are more prevalent in urban than in rural Puriscal, Costa Rica, particularly in men. C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,LIPID METAB LAB,711 WASHINGTON ST,BOSTON,MA 02111. UNIV COSTA RICA,INST INVEST SALUD,SAN PEDRO,COSTA RICA. OI Ordovas, Jose/0000-0002-7581-5680 NR 53 TC 47 Z9 51 U1 0 U2 1 PU AMER HEART ASSOC PI DALLAS PA 7272 GREENVILLE AVENUE, DALLAS, TX 75231-4596 SN 0009-7322 J9 CIRCULATION JI Circulation PD FEB PY 1992 VL 85 IS 2 BP 648 EP 658 PG 11 WC Cardiac & Cardiovascular Systems; Peripheral Vascular Disease SC Cardiovascular System & Cardiology GA HC293 UT WOS:A1992HC29300024 PM 1735159 ER PT J AU KELLEY, DS DOUGHERTY, RM BRANCH, LB TAYLOR, PC IACONO, JM AF KELLEY, DS DOUGHERTY, RM BRANCH, LB TAYLOR, PC IACONO, JM TI CONCENTRATION OF DIETARY N-6 POLYUNSATURATED FATTY-ACIDS AND THE HUMAN IMMUNE STATUS SO CLINICAL IMMUNOLOGY AND IMMUNOPATHOLOGY LA English DT Article ID KILLER-CELL-ACTIVITY; SATURATION; TRIAL; MICE C1 USDA ARS,WESTERN HUMAN NUTR RES CTR,SAN FRANCISCO,CA 94129. LETTERMAN ARMY MED CTR,SAN FRANCISCO,CA 94129. NR 23 TC 39 Z9 39 U1 0 U2 0 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0090-1229 J9 CLIN IMMUNOL IMMUNOP JI Clin. Immunol. Immunopathol. PD FEB PY 1992 VL 62 IS 2 BP 240 EP 244 DI 10.1016/0090-1229(92)90078-3 PG 5 WC Immunology; Pathology SC Immunology; Pathology GA HA711 UT WOS:A1992HA71100015 PM 1730163 ER PT J AU GUIDRY, AJ PAAPE, MJ SQUIGGINS, KE WORKU, M HAMBLETON, CN MILLER, RH AF GUIDRY, AJ PAAPE, MJ SQUIGGINS, KE WORKU, M HAMBLETON, CN MILLER, RH TI MONOCLONAL-ANTIBODIES TO SUBPOPULATIONS OF BOVINE NEUTROPHILS SO COMPARATIVE HAEMATOLOGY INTERNATIONAL LA English DT Article DE BOVINE; MONOCLONAL; NEUTROPHIL ID PERIPHERAL-BLOOD; DIFFERENTIATION ANTIGENS; CD18; HETEROGENEITY; INVIVO; IDENTIFICATION; ACCUMULATION; POPULATIONS; DEFICIENCY; LEUKOCYTES AB Monoclonal antibodies were developed to neutrophil surface antigens in an effort to identify neutrophil subpopulations. Eleven monoclonals were positive for neutrophils using the ELISA and flow cytometry. Four monoclonals recognised neutrophils and monocytes, but more importantly each recognised subpopulations of neutrophils. Percentage binding of the same population of neutrophils by each monoclonal was 19H7, 23%; 36H10, 34%; 46B3,16%; 9D13, 37%. All four showed additive percentage binding to neutrophils when reacted with each other. Cow differences in percentage binding of monoclonals were also evident, i.e., 46B3 - cow no. 8437, 8%; cow no. 2820, 22%. Monocytes showed the most variation, both by cow and by clone within cow, i. e., cow no. 8813, 46B3 = 98% and 9D13 = 6%; clone 19H7, cow no. 8813 = 88% and cow no. 8679 = 2%. Percentage binding to eosinophils was low for all clones except 46B3 which averaged 46%, 5%, 72% and 76% for four cows tested. Percentage binding to lymphocytes tended to be high for all clones across all cows, averaging 62%. Clone 36H10 tended to be the lowest of the clones, averaging 38%. The ability of these clones to identify subpopulations of neutrophils and the significant among cow variation make them useful tools for studying the relationship of different cell-surface antigens to cell function within cow and among cows. RP GUIDRY, AJ (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,MSML,BLDG 173,BARC E,BELTSVILLE,MD 20705, USA. NR 33 TC 4 Z9 4 U1 0 U2 0 PU SPRINGER VERLAG PI NEW YORK PA 175 FIFTH AVE, NEW YORK, NY 10010 SN 0938-7714 J9 COMP HAEMATOL INT JI Comp. Haematol. Int. PD FEB PY 1992 VL 2 IS 1 BP 18 EP 23 DI 10.1007/BF02984521 PG 6 WC Hematology SC Hematology GA HK091 UT WOS:A1992HK09100003 ER PT J AU BROWN, CC AF BROWN, CC TI AFRICAN HORSE SICKNESS - AN OLYMPIC RISK SO COMPENDIUM ON CONTINUING EDUCATION FOR THE PRACTICING VETERINARIAN LA English DT Article AB With the upcoming summer Olympics to be held in Barcelona, Spain, in 1992, attention has been focused on the possibility of African horse sickness (a disease enzootic to Spain) being introduced into the United States. African horse sickness is regarded as the most serious foreign disease threat to the American equine industry. Spain has experienced yearly epizootics since 1987 despite rigorous control measures to eradicate the disease. African horse sickness is a vector-borne disease that is transmitted by biting flies of the Culicoides genus. The disease presents in both a cardiac and pulmonary form. The nonspecific clinical and pathologic nature of African horse sickness, however, makes the chances of establishment in the Culicoides insect vector a distinct possibility. United States Department of Agriculture scientists are currently working on safer and more efficacious vaccines, improved diagnostic tests, vector capabilities, and a better understanding of the pathogenesis of African horse sickness. In addition, regulatory measures have been taken by the APHIS and include the training of more than 200 foreign animal disease diagnosticians in the clinical and pathologic recognition of African horse sickness. RP BROWN, CC (reprint author), USDA ARS,PLUM ISL ANIM DIS CTR,NATL VET SERV LABS,FOREIGN ANIM DIS DIAGNOST LAB,GREENPORT,NY 11944, USA. NR 0 TC 0 Z9 0 U1 1 U2 3 PU VETERINARY LEARNING SYSTEMS PI TRENTON PA 425 PHILLIPS BLVD #100, TRENTON, NJ 08618 SN 0193-1903 J9 COMP CONT EDUC PRACT JI Compend. Contin. Educ. Pract. Vet. PD FEB PY 1992 VL 14 IS 2 BP 239 EP 241 PG 3 WC Veterinary Sciences SC Veterinary Sciences GA HD423 UT WOS:A1992HD42300010 ER PT J AU SAAB, VA PETIT, DR AF SAAB, VA PETIT, DR TI IMPACT OF PASTURE DEVELOPMENT ON WINTER BIRD COMMUNITIES IN BELIZE, CENTRAL-AMERICA SO CONDOR LA English DT Article DE HABITAT USE; DISTURBANCE; NEOTROPICAL MIGRANTS; PASTURES; BELIZE; TROPICAL BIRDS ID HABITAT; SITE AB We studied bird use of actively grazed and abandoned (2-4 years) pastures during February 1990 in Belize, where pastures often are maintained by repeated mowing. A total of 46 species was observed in the two pasture types, with 15 species detected in grazed and 39 in abandoned. Species richness for both migrants and residents was lower by > 50% in grazed pastures. Overall abundance of birds was lower by nearly 70% in grazed pastures compared with the more structurally diverse abandoned pastures (P < 0.001). Based on data from a concurrent study on bird use of forest interior habitat in Belize, 2-4 times more resident species would be expected in nearby broadleaved forests compared to an equal census effort in grazed pastures. In contrast, only about 1.5 times more migrant bird species would be predicted in broadleaved forest interior than in grazed pastures. Foraging guilds were not equally represented between pasture treatments; most notable was an absence of frugivores and nectarivores in grazed pastures maintained by mowing. Our results indicate that retention of some shrubs and overstory trees may reduce the negative effects of pasture development of winter bird populations in Central America. C1 UNIV ARKANSAS,ARKANSAS COOPERAT FISH & WILDLIFE RES UNIT,FAYETTEVILLE,AR 72701. UNIV ARKANSAS,DEPT BIOL SCI,FAYETTEVILLE,AR 72701. RP SAAB, VA (reprint author), US FOREST SERV,INTERMT RES STN,316 E MYRTLE,BOISE,ID 83702, USA. NR 27 TC 26 Z9 27 U1 0 U2 3 PU COOPER ORNITHOLOGICAL SOC PI LAWRENCE PA ORNITHOLOGICAL SOC NORTH AMER PO BOX 1897, LAWRENCE, KS 66044-8897 SN 0010-5422 J9 CONDOR JI Condor PD FEB PY 1992 VL 94 IS 1 BP 66 EP 71 DI 10.2307/1368796 PG 6 WC Ornithology SC Zoology GA HJ661 UT WOS:A1992HJ66100006 ER PT J AU VERNER, J AF VERNER, J TI DATA NEEDS FOR AVIAN CONSERVATION BIOLOGY - HAVE WE AVOIDED CRITICAL RESEARCH SO CONDOR LA English DT Article ID POPULATIONS RP VERNER, J (reprint author), US FOREST SERV,PACIFIC SW RES STN,2081 E SIERRA AVE,FRESNO,CA 93710, USA. NR 17 TC 22 Z9 22 U1 1 U2 6 PU COOPER ORNITHOLOGICAL SOC PI LAWRENCE PA ORNITHOLOGICAL SOC NORTH AMER PO BOX 1897, LAWRENCE, KS 66044-8897 SN 0010-5422 J9 CONDOR JI Condor PD FEB PY 1992 VL 94 IS 1 BP 301 EP 303 DI 10.2307/1368825 PG 3 WC Ornithology SC Zoology GA HJ661 UT WOS:A1992HJ66100035 ER PT J AU EPLEE, RE AF EPLEE, RE TI WITCHWEED (STRIGA-ASIATICA) - AN OVERVIEW OF MANAGEMENT STRATEGIES IN THE USA SO CROP PROTECTION LA English DT Review DE STRIGA-ASIATICA; WITCHWEED; STRIGA CONTROL; PARASITIC WEEDS; GERMINATION STIMULANTS; HERBICIDES AB Witchweed, Striga asiatica (L.) O. Kuntz, was first found in the USA in 1956 in the states of North and South Carolina. It was recognized as, and declared by Federal and State Government Agencies, a threat to agriculture, particularly to corn (Zea mays), sorghum (Sorghum bicolor) and sugar-cane (Saccharum officinarum). The infested area was placed under both Federal and State quarantine to prevent its spread. Intensive surveys were conducted to identify the location and boundaries of each infested site. To date approximately 175 000 hectares have been recorded as infested. In 1957, a USDA research facility was established at Whiteville, NC and in 1959 a research farm at Dillon, SC. Their original and exclusive purpose was to focus on research and development of eradication methods for this parasitic plant pest. Additional research has been conducted at NC State University and five other universities. From these facilities and resulting research has come knowledge of the biology, eradication methods and management procedures. A public awareness campaign has resulted in broadbased support for witchweed eradication. The operational activities are conducted by a staff of professional plant pest-control officers, technicians and control aids. The programme infrastructure ensures that a biologically sound programme of detection, regulatory and control activities are implemented on all infested sites. The programme consists of locating infestations, containment, public awareness, stopping witchweed reproduction and ridding the soil of witchweed seed. This programme has succeeded in eradicating witchweed from 145 000 ha approximately 85% of the known infested area. It is anticipated that witchweed in the remaining 30 000 ha will be eradicated by the end of 1995, thus eliminating the threat of this devastating biological pollutant from the USA. RP EPLEE, RE (reprint author), USDA,APHIS S&T,WHITEVILLE PLANT METHODS DEV CTR,POB 279,WHITEVILLE,NC 28472, USA. NR 17 TC 16 Z9 16 U1 3 U2 12 PU BUTTERWORTH-HEINEMANN LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0261-2194 J9 CROP PROT JI Crop Prot. PD FEB PY 1992 VL 11 IS 1 BP 3 EP 7 DI 10.1016/0261-2194(92)90071-C PG 5 WC Agronomy SC Agriculture GA HA940 UT WOS:A1992HA94000001 ER PT J AU SHEPHERD, HS AF SHEPHERD, HS TI LINEAR, NONMITOCHONDRIAL PLASMIDS OF ALTERNARIA-ALTERNATA SO CURRENT GENETICS LA English DT Article DE ALTERNARIA; LINEAR PLASMIDS; FUNGAL PLASMIDS ID DNA PLASMIDS; NEUROSPORA AB Three plasmids, with sizes of 7.0 kbp, 6.8 kbp, and 5.0 kbp and designated pAal-1, pAal-2 and pAal-3 respectively, have been found in a tentoxin-producing isolate of Alternaria alternata. Exonuclease digestions show these plasmids to be linear with blocked 5' ends. Plasmid pAal-1 does not hybridize to nuclear DNA, mitochondrial DNA, or double-stranded RNA from a mycovirus found in the isolate, but does hybridize weakly to a series of linear DNAs which are not visible on gels and may include pAal-2 and pAal-3. Cellular fractionation shows that, unlike other linear fungal plasmids, these plasmids are not localized in the mitochondria. Plasmids have not been found in other tentoxin-producing isolates and there is no evidence that these plasmids have any effect on the production of tentoxin. RP SHEPHERD, HS (reprint author), USDA ARS,SO REG RES CTR,POB 19687,NEW ORLEANS,LA 70179, USA. NR 15 TC 8 Z9 10 U1 0 U2 1 PU SPRINGER VERLAG PI NEW YORK PA 175 FIFTH AVE, NEW YORK, NY 10010 SN 0172-8083 J9 CURR GENET JI Curr. Genet. PD FEB PY 1992 VL 21 IS 2 BP 169 EP 172 DI 10.1007/BF00318477 PG 4 WC Genetics & Heredity SC Genetics & Heredity GA HB937 UT WOS:A1992HB93700013 PM 1314706 ER PT J AU GRIFFIN, HL GREENE, RV COTTA, MA AF GRIFFIN, HL GREENE, RV COTTA, MA TI ISOLATION AND CHARACTERIZATION OF AN ALKALINE PROTEASE FROM THE MARINE SHIPWORM BACTERIUM SO CURRENT MICROBIOLOGY LA English DT Article ID EXTRACELLULAR ENDOGLUCANASE AB Bacterial isolates from the gland of Deshayes of the marine shipworm (Psiloteredo healdi) produced extracellular protease activity when cultured with 1% cellulose. A protease with a relative molecular mass of 36,000 daltons as determined by SDS-PAGE and a pl of 8.6 was isolated from the medium and purified to electrophoretic homogeneity. No carbohydrate appeared to be associated with the protein. The enzyme was activated and stabilized by relatively high salt concentrations (> 0.2 M). Below 0.1 M salt, significant protein aggregation occurred, as well as autohydrolysis of the protease, both of which resulted in the loss of activity. The specific activity of the enzyme was 65,840 proteolytic units/mg with azocasein substrate of optimal temperature (42-degrees-C), pH (9.0), and salt concentration (0.20 M NaCl). The activity was stable up to 40-degrees-C, from pH 3.0 to pH 11.9, and from 0.1 M to 3.5 M NaCl. These stabilities, as well as the protease's stability in the presence of chelators, oxidizing agents, and heavy metals, suggest the enzyme has potential for use in relatively low temperature (40-degrees-C) industrial applications. RP GRIFFIN, HL (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,1815 N UNIV ST,PEORIA,IL 61604, USA. OI Cotta, Michael/0000-0003-4565-7754 NR 23 TC 22 Z9 23 U1 2 U2 2 PU SPRINGER VERLAG PI NEW YORK PA 175 FIFTH AVE, NEW YORK, NY 10010 SN 0343-8651 J9 CURR MICROBIOL JI Curr. Microbiol. PD FEB PY 1992 VL 24 IS 2 BP 111 EP 117 DI 10.1007/BF01570907 PG 7 WC Microbiology SC Microbiology GA GZ756 UT WOS:A1992GZ75600009 ER PT J AU MURPHY, DD NOON, BR AF MURPHY, DD NOON, BR TI INTEGRATING SCIENTIFIC METHODS WITH HABITAT CONSERVATION PLANNING - RESERVE DESIGN FOR NORTHERN SPOTTED OWLS SO ECOLOGICAL APPLICATIONS LA English DT Article DE HABITAT CONSERVATION PLANNING; HABITAT FRAGMENTATION; NORTHERN SPOTTED OWL; OLD-GROWTH FORESTS; POPULATION MODELS; SCIENTIFIC METHOD ID POPULATION VIABILITY ANALYSIS; DEMOGRAPHIC-MODELS; BIRD POPULATIONS; TURNOVER RATES; EXTINCTION; ENVIRONMENT; SURVIVAL; BIOGEOGRAPHY; COMMUNITIES; SONGBIRDS AB To meet the requirements of Congressional legislation mandating the production of a "scientifically credible" conservation strategy for the threatened Northern Spotted Owl (Strix occidentalis caurina), the Interagency Spotted Owl Scientific Committee employed scientific methods to design a habitat reserve system. Information on the current and historical distributions of the owl and its habitats was reviewed in light of economic, political, and legal constraints; results were used to develop a preliminary reserve system of habitat "polygons." A map representing these polygons and their attendant properties served as a set of hypotheses that were tested. Statistical analyses of empirical data, predictions from ecological theory, predictions from population dynamics models, and inferences drawn from studies of related species were used to test properties of the preliminary map, including the number and sizes of habitat conservation areas (HCAs), their distribution. configuration, and spacing, and the nature of the landscape matrix between HCAs. Conclusions that failed to confirm specific map properties were used to refine the reserve system, a process that continued iteratively until all relevant data had been examined and all map properties had been tested. This conservation planning process has proven to be credible, repeatable, and scientifically defendable, and should serve as a model for wildlife management, endangered species recovery, and national forest planning. C1 US FOREST SERV,REDWOOD SCI LAB,ARCATA,CA 95521. RP MURPHY, DD (reprint author), STANFORD UNIV,CTR CONSERVAT BIOL,DEPT BIOL SCI,STANFORD,CA 94305, USA. NR 73 TC 100 Z9 107 U1 5 U2 38 PU ECOLOGICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE, NW, STE 400, WASHINGTON, DC 20036 SN 1051-0761 J9 ECOL APPL JI Ecol. Appl. PD FEB PY 1992 VL 2 IS 1 BP 3 EP 17 DI 10.2307/1941885 PG 15 WC Ecology; Environmental Sciences SC Environmental Sciences & Ecology GA JM283 UT WOS:A1992JM28300002 PM 27759197 ER PT J AU HALVORSON, JJ FRANZ, EH SMITH, JL BLACK, RA AF HALVORSON, JJ FRANZ, EH SMITH, JL BLACK, RA TI NITROGENASE ACTIVITY, NITROGEN-FIXATION, AND NITROGEN INPUTS BY LUPINES AT MOUNT ST-HELENS SO ECOLOGY LA English DT Article DE ACETYLENE REDUCTION; FIXATION; ISOTOPE DILUTION; LUPINUS SPP; MOUNT ST-HELENS; N-15; NITROGEN INPUTS; NUTRIENT AVAILABILITY; PRIMARY SUCCESSION ID ACETYLENE-REDUCTION ASSAY; DINITROGEN FIXATION; BRITISH-COLUMBIA; N-2 FIXATION; ROOT-NODULES; BIOLOGICAL INVASION; PRIMARY SUCCESSION; ISOTOPE-DILUTION; PLANT SUCCESSION; LEGUME CROP AB We measured the timing and magnitude of nitrogenase activity and N2 fixation by lupines colonizing early successional volcanic sites at Mount St. Helens. Nitrogenase activity (measured by acetylene reduction) in Lupinus lepidus growing at a pyroclastic site exhibited significant diurnal trends, with lowest ethylene evolution rates at night. Nitrogenase activity also followed seasonal trends, with high rates in June, very low levels in August, the dry warm part of the season, and a partial recovery of nitrogenase activity in September after precipitation resumed. A comparison of typical nitrogenase activities measured at several sites suggested that rates of N2 fixation were highest in L. lepidus growing at disturbed low N sites. Adult lupine C and N composition also varied during the growing season, with trends correlated with seasonal patterns of nitrogenase activity. Seasonal N2 fixation in L. lepidus and L. latifolius was measured using N-15 isotope. Both species fixed almost-equal-to 60% of their N during the first season of growth with some evidence of preferential allocation to aboveground biomass. N fixation by Lupinus lepidus individuals was almost-equal-to 18.1 mg/g biomass or an average of 15.4 mg per plant, while L. latifolius fixed an average of 16.3 mg/g biomass, equivalent to 22.9 mg per plant. Average net C fixation during the same period was 355 and 589 mg per plant for L. lepidus and L. latifolius, respectively. Despite these rates, the current distribution of L. lepidus into a few, small patches that occupy < 1% of the surface area indicates that annual N inputs by lupines are < 0.05 kg/ha and thus probably-not the primary source of N input into developing Mount St. Helens pyroclastic sites except at a local scale. C1 WASHINGTON STATE UNIV,ENVIRONM RES CTR,PULLMAN,WA 99164. WASHINGTON STATE UNIV,PROGRAM ENVIRONM SCI & REG PLANNING,PULLMAN,WA 99164. WASHINGTON STATE UNIV,DEPT BOT,PULLMAN,WA 99164. RP HALVORSON, JJ (reprint author), WASHINGTON STATE UNIV,USDA ARS,LAND MANAGEMENT & WATER CONSERVAT RES UNIT,215 JOHNSON HALL 6421,PULLMAN,WA 99164, USA. NR 95 TC 28 Z9 29 U1 1 U2 7 PU ECOLOGICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE, NW, STE 400, WASHINGTON, DC 20036 SN 0012-9658 J9 ECOLOGY JI Ecology PD FEB PY 1992 VL 73 IS 1 BP 87 EP 98 DI 10.2307/1938723 PG 12 WC Ecology SC Environmental Sciences & Ecology GA HC842 UT WOS:A1992HC84200008 ER PT J AU CARRUTHERS, RI LARKIN, TS FIRSTENCEL, H FENG, ZD AF CARRUTHERS, RI LARKIN, TS FIRSTENCEL, H FENG, ZD TI INFLUENCE OF THERMAL ECOLOGY ON THE MYCOSIS OF A RANGELAND GRASSHOPPER SO ECOLOGY LA English DT Article DE BASKING; CAMNULA-PELLUCIDA; DISEASE; ENTOMOPHAGA-GRYLLI; GRASSHOPPERS; MYCOSIS; SOLAR RADIATION; THERMAL ECOLOGY; THERMOREGULATION ID THERMOREGULATION; CATERPILLARS; TEMPERATURE; LEPIDOPTERA; ORTHOPTERA; ACRIDIDAE AB The clearwinged grasshopper, Camnula pellucida, exploits incident solar radiation to raise internal body temperatures above ambient levels. Under adequate temperature and light conditions, grasshopper body temperatures may exceed air temperatures by 10-degrees-15-degrees-C with both nymphs and adults preferring to thermoregulate near 40-degrees-C, their optimal temperature for development. Comparison of age-specific phenology data collected from field sites with projections from computer simulation studies on grasshopper development, indicated that incident solar radiation can highly accelerate maturation of grasshoppers. Also, prolonged exposure to temperatures above 35-degrees-C is beneficial to grasshoppers, as it is detrimental to the fungal pathogen Entomophaga grylli (US pathotype I), which is a major cause of natural mortality in many species. E. grylli protoplasts grew little or not at all if incubated at a constant 35-degrees-C in tissue culture medium. Studies, conducted in vivo at constant temperatures, verified that E. grylli has an upper thermal limit of survival and development near 35-degrees-C. In nature, however, these organisms are exposed to fluctuating temperatures. Further in vitro studies revealed that protoplast survival and development were significantly affected by incubation at 40-degrees-C for as little as 2 h per day and almost totally inhibited by 40-degrees-C for 8 h each day. In vivo incubation studies also showed an increase in the incubation period and a decline in the proportion of grasshoppers dying of E. grylli mycosis with increased daily exposure to 40-degrees-C. Infected grasshoppers were also held at 25-degrees-30-degrees-C and allowed to range freely between shaded and lighted areas, so body temperatures could be raised through normal basking activity. Compared to a control group held in diffuse light, E. grylli mycosis was almost totally eliminated from the basking grasshoppers. The few individuals treated with solar radiation that died from E. grylli infection survived significantly longer then infected individuals not exposed to the solar simulator. Computer simulations using field-collected temperature, moisture, and solar radiation data revealed that behaviorally regulated thermal effects on E. grylli survival and development could limit disease development in some locations and seasons. Although it is unclear that the behavioral trait of basking is an adaptive response to selection pressures caused either by the pathogen or by other selective factors, it is clear that thermoregulatory behavior provides survival advantages to C pellucida. In addition to their specific biological significance, these results demonstrate that behavioral exploitation of a physical resource in the environment can be used to profoundly alter biological relationships between species, in this case, allowing one organism to eliminate an antagonist by causing its mortality. C1 CORNELL UNIV,DEPT STAT & BIOMETRY,ITHACA,NY 14853. RP CARRUTHERS, RI (reprint author), CORNELL UNIV,USDA ARS,PLANT PROTECT RES UNIT,ITHACA,NY 14853, USA. NR 46 TC 102 Z9 103 U1 3 U2 18 PU ECOLOGICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE, NW, STE 400, WASHINGTON, DC 20036 SN 0012-9658 J9 ECOLOGY JI Ecology PD FEB PY 1992 VL 73 IS 1 BP 190 EP 204 DI 10.2307/1938731 PG 15 WC Ecology SC Environmental Sciences & Ecology GA HC842 UT WOS:A1992HC84200016 ER PT J AU TURCHIN, P TAYLOR, AD AF TURCHIN, P TAYLOR, AD TI COMPLEX DYNAMICS IN ECOLOGICAL TIME-SERIES SO ECOLOGY LA English DT Article DE AUTOCORRELATION FUNCTION; CHAOS; COMPLEX DETERMINISTIC DYNAMICS; DELAYED DENSITY DEPENDENCE; DYNAMIC BEHAVIORS OF POPULATIONS; INSECT POPULATION DYNAMICS; LIMIT CYCLES; LONG-TERM POPULATION RECORDS; NONLINEAR TIME-SERIES MODELING; QUASI-PERIODICITY; TIME-SERIES ANALYSIS ID DENSITY-DEPENDENCE; POPULATION-DYNAMICS; STRANGE ATTRACTORS; ANIMAL POPULATION; CHAOS; SYSTEMS; CYCLES; MODELS AB Although the possibility of complex dynamical behaviors-limit cycles, quasiperiodic oscillations, and aperiodic chaos-has been recognized theoretically, most ecologists are skeptical of their importance in nature. In this paper we develop a methodology for reconstructing endogenous (or deterministic) dynamics from ecological time series. Our method consists of fitting a response surface to the yearly population change as a function of lagged population densities. Using the version of the model that includes two lags, we fitted time-series data for 14 insect and 22 vertebrate populations. The 14 insect populations were classified as: unregulated (1 case), exponentially stable (three cases), damped oscillations (six cases), limit cycles (one case), quasiperiodic oscillations (two cases), and chaos (one case). The vertebrate examples exhibited a similar spectrum of dynamics, although there were no cases of chaos. We tested the results of the response-surface methodology by calculating autocorrelation functions for each time series. Autocorrelation patterns were in agreement with our findings of periodic behaviors (damped oscillations, limit cycles, and quasiperiodicity). On the basis of these results, we conclude that the complete spectrum of dynamical behaviors, ranging from exponential stability to chaos, is likely to be found among natural populations. RP TURCHIN, P (reprint author), SO FOREST EXPT STN,2500 SHREVEPORT HIGHWAY,PINEVILLE,LA 71360, USA. RI Taylor, Andrew/I-5040-2012 NR 58 TC 376 Z9 384 U1 5 U2 52 PU ECOLOGICAL SOC AMER PI WASHINGTON PA 2010 MASSACHUSETTS AVE, NW, STE 400, WASHINGTON, DC 20036 SN 0012-9658 J9 ECOLOGY JI Ecology PD FEB PY 1992 VL 73 IS 1 BP 289 EP 305 DI 10.2307/1938740 PG 17 WC Ecology SC Environmental Sciences & Ecology GA HC842 UT WOS:A1992HC84200025 ER PT J AU HUANG, WY URI, ND AF HUANG, WY URI, ND TI AN ASSESSMENT OF PLANTING FLEXIBILITY OPTIONS TO REDUCE THE EXCESSIVE APPLICATION OF NITROGEN-FERTILIZER IN THE UNITED-STATES-OF-AMERICA SO ENVIRONMENT AND PLANNING A LA English DT Article AB The analysis in this paper is directed at estimating the marginal value of a base acre, the nitrogen rate of fertilizer use, the corn yield, and the excess nitrogen fertilizer application rate under alternative policy options designed to encourage planting flexibility in response to changing relative agricultural commodity prices. Encouragement of planting flexibility via an option of detaching deficiency payments from the base acreage is an effective way to reduce the excessive application rate and use of nitrogen fertilizer. Encouragement of planting flexibility via an option of reducing the base acreage is effective only if the availability of cropland is a limiting factor. However, movement toward the complete elimination of the notion of base acreage (that is, movement toward a completely free market unencumbered by government programs) would be the most effective option to reduce the value of a base acre thereby encouraging greater planting flexibility. An increase in the price of soybeans and a decrease in the price of corn would also serve to encourage switching from continuous planting of corn to a corn-soybeans rotation. However, as more soybeans and less corn are produced, the price of soybeans would fall while the price of corn would rise. As a consequence, the effectiveness of the policy options considered here in promoting planting flexibility would be reduced. RP HUANG, WY (reprint author), USDA,ECON RES SERV,DIV RESOURCES & TECHNOL,WASHINGTON,DC 20005, USA. NR 24 TC 5 Z9 5 U1 0 U2 0 PU PION LTD PI LONDON PA 207 BRONDESBURY PARK, LONDON, ENGLAND NW2 5JN SN 0308-518X J9 ENVIRON PLANN A JI Environ. Plan. A PD FEB PY 1992 VL 24 IS 2 BP 199 EP 213 DI 10.1068/a240199 PG 15 WC Environmental Studies; Geography SC Environmental Sciences & Ecology; Geography GA HG637 UT WOS:A1992HG63700004 ER PT J AU HAGLER, JR COHEN, AC BRADLEYDUNLOP, D ENRIQUEZ, FJ AF HAGLER, JR COHEN, AC BRADLEYDUNLOP, D ENRIQUEZ, FJ TI NEW APPROACH TO MARK INSECTS FOR FEEDING AND DISPERSAL STUDIES SO ENVIRONMENTAL ENTOMOLOGY LA English DT Editorial Material DE INSECTA; MARKING INSECTS; ELISA; MONOCLONAL ANTIBODY (MAB) ID GEOCORIS-PUNCTIPES HEMIPTERA; LEPIDOPTERA-NOCTUIDAE; RUBIDIUM; DIET; COLEOPTERA; LYGAEIDAE; ELEMENT; CORN AB This study examines the feasibility of marking Lygus hesperus Knight adults externally by submersion in rabbit immunoglobulin G (IgG) solution. Rabbit IgG retention time was measured in the laboratory on insects submerged in an IgG solution. We marked insects with rabbit IgG and ran an enzyme-linked immunosorbent assay (ELISA) with its complementary antibody (antirabbit IgG). We concurrently ran an ELISA assay using the same samples against an egg-specific L. hesperus monoclonal antibody (MAb) to measure the presence of L. hesperus egg antigen in the insect. A previously developed egg-specific MAb to L. hesperus enabled us to assay simultaneously adult females (which possess the egg antigen) and adult males for the presence of L. hesperus egg antigen. This combination of techniques will enable us to examine the gut contents of potential predators of L. hesperus eggs or adult females using whole body macerates while simultaneously evaluating the efficiency of lab-reared predators for augmentative biological control. C1 UNIV ARIZONA,ARIZONA HLTH SCI CTR 8327,HYBRIDOMA CORE SUPPORT FACIL,TUCSON,AZ 85724. RP HAGLER, JR (reprint author), USDA ARS,HONEY BEE BIOL & BIOCONTROL INSECTS LAB,TUCSON,AZ 85719, USA. NR 22 TC 38 Z9 39 U1 2 U2 13 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 20 EP 25 PG 6 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000003 ER PT J AU CARPENTER, JE WISEMAN, BR AF CARPENTER, JE WISEMAN, BR TI SPODOPTERA-FRUGIPERDA (LEPIDOPTERA, NOCTUIDAE) DEVELOPMENT AND DAMAGE POTENTIAL AS AFFECTED BY INHERITED STERILITY AND HOST PLANT-RESISTANCE SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; SPODOPTERA-FRUGIPERDA; F1 STERILITY; INTEGRATED PEST MANAGEMENT ID FALL ARMYWORM LEPIDOPTERA; ZAPALOTE CHICO; CORN SILKS; LARVAE; MANAGEMENT; MECHANISMS; ZEA AB Male and female adults of fall armyworm, Spodoptera frugiperda (J. E. Smith), were exposed to a substerilizing dose (10 krads) of radiation, and their progeny were reared on corn, Zea mays L., foliage and meridic diets with varying concentrations of resistant corn silk. Mean leaf damage ratings for all corn entries were higher for plants infested with larvae from nonirradiated adults than for plants infested with larvae from irradiated males crossed with normal females. However, the rate of larval establishment on foliage of all corn entries was not affected by the larval treatment. Larvae from irradiated males crossed with normal females were equally competitive with normal larvae in all measured parameters of laboratory bioassays. Larvae from irradiated females also were competitive with normal larvae except in early larval development and time to adult eclosion. The results suggest that host plant resistance and inherited sterility would be compatible strategies for managing populations of the fall armyworm. RP CARPENTER, JE (reprint author), USDA ARS,INSECT BIOL & POPULAT MANAGEMENT RES LAB,TIFTON,GA 31793, USA. NR 19 TC 8 Z9 8 U1 2 U2 3 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 57 EP 60 PG 4 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000007 ER PT J AU MASON, RR AF MASON, RR TI POPULATIONS OF ARBOREAL SPIDERS (ARANEAE) ON DOUGLAS-FIRS AND TRUE FIRS IN THE INTERIOR PACIFIC-NORTHWEST SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE ARACHNIDA; ARBOREAL SPIDERS; POPULATION DENSITY; FAMILY ABUNDANCE ID ORGYIA-PSEUDOTSUGATA LEPIDOPTERA; SPRUCE-LIVING SPIDERS; TUSSOCK MOTH; LYMANTRIIDAE; PREDATORS; BUDWORM; LARVAE AB Population densities and relative abundance of spider families were estimated on Douglas-fir, Pseudosugata menziessii var. glauca (Beissn.) Franco and true firs, Abies spp., in three geographical provinces of the interior Pacific Northwest: the Southern Cascades, the Northern Cascades, and the Blue Mountains. Mean densities, estimated by sampling tree foliage on lower branches in June 1981, were 9.96, 5.21, and 6.03 spiders per square meter of branch area for the three areas, respectively. Eleven families were represented in the sample. Over half of all individuals were hunting spiders of the families Salticidae and Philodromidae, of which several species are believed to be important predators of defoliating insects. The rest were web-spinners, mostly of the families Dictynidae, Araneidae, Linyphiidae, and Theridiidae. The relative abundance of families had a consistent statistical pattern in which their frequencies were apportioned according to a log series distribution. This suggests that arboreal spider communities of interior Pacific Northwest fir stands have a similar familial structure, probably determined by the branch and foliage characteristics of their habitat. RP MASON, RR (reprint author), US FOREST SERV,PACIFIC NW RES STN,LA GRANDE,OR 97850, USA. NR 37 TC 15 Z9 15 U1 2 U2 3 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 75 EP 80 PG 6 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000010 ER PT J AU BARRATT, BIP BYERS, RA AF BARRATT, BIP BYERS, RA TI LEGUME SEEDLING FEEDING PREFERENCES OF ADULT SITONA-HISPIDULUS (F) (COLEOPTERA, CURCULIONIDAE) SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; SITONA-HISPIDULUS; LEGUME SEEDLINGS; FEEDING PREFERENCES AB A greenhouse experiment was designed to evaluate a series of forage legume seedlings in the cotyledon stage for susceptibility to seeding damage from adult Sitona hispidulus (F.). Seedlings of a range of cultivars of white clover, Trifolium repens; alfalfa, Medicago sativa; red clover, Trifolium pratense; Lotus spp.; and crown vetch, Coronilla varia, were transplanted in the cotyledon stage into trays in a complete randomized block design. Adult weevils were added at a rate of one weevil per seedling. Feeding preferences of the weevils were assessed by visually estimating percentage defoliation of the seedlings 3 and 6-7 d later. A further experiment using cotyledon leaf disc randomly threaded onto an entomological pin further investigated weevil feeding preferences. Two similar whole seedling experiments and the leaf disc experiment indicated that white clover 'Ladino' was the most preferred species of the legume seedlings offered, followed by alfalfa 'WL 318' and two red clover cultivars, 'Kura' and 'Arlington'. Lotus spp. and crown vetch were preferred least. Defoliation levels ranged from 32 to 93% after 6 to 7 d in the whole seedling experiments and from 11 to 46% after 4 h in the leaf-disc experiment. Damage assessments of the unifoliate or first true leaflets indicated an order of feeding preference similar to that found for cotyledon leaves. Defoliation levels of whole seedlings were not linearly correlated with seedling size or fresh weight, and this, supported by the results with the leaf discs, suggest that in the whole seedling experiments, plant size did not determine the levels of defoliation. C1 USDA ARS,US REG PASTURE RES LAB,UNIV PK,PA 16802. RI Barratt, Barbara/A-4763-2008 NR 8 TC 5 Z9 5 U1 0 U2 1 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 103 EP 106 PG 4 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000014 ER PT J AU HAJEK, AE SOPER, RS AF HAJEK, AE SOPER, RS TI TEMPORAL DYNAMICS OF ENTOMOPHAGA-MAIMAIGA AFTER DEATH OF GYPSY-MOTH (LEPIDOPTERA, LYMANTRIIDAE) LARVAL HOSTS SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; LYMANTRIA-DISPAR; ENTOMOPHAGA-MAIMAIGA; EPIZOOTIOLOGY ID FUNGAL PATHOGEN; ENTOMOPHTHORACEAE; DISPAR; SPORULATION; MOISTURE; SHIMAZU; HUMBER; SOPER AB Conidial discharge by a 1984 Japanese isolate of Entomophaga maimaiga Humber, Shimazu & Soper infecting gypsy moth, Lymantria dispar (L.), larvae was investigated under field conditions. On an hourly basis, levels of conidia discharged were correlated with relative humidity (RH) for the previous 2 h and with leaf wetness for the previous 3 h. Greater than 90% of cadavers discharged maximum numbers of conidia between 2000 and 0800. Increased hours of RH greater-than-or-equal-to 70 or greater-than-or-equal-to 90% after larval death and before sporulation began resulted in increased numbers of conidia released during the first day of sporulation. One-day-old cadavers usually sporulated within an average of 1.5-2.2 d of being placed in the field and 71.6% of cadavers produced conidia for less-than-or-equal-to 2 d during the average of 5.4 d they were monitored. Cadavers of larvae infected with E. maimaiga demonstrated the ability to sporulate, cease sporulation, and later sporulate again; however, the numbers of conidia discharged after conidial discharge resumed were much lower. Of 40 larvae infected with E. maimaiga that produced only resting spores after death, 50% persisted on tree trunks for only 2 d, although 19.7% still remained attached to tree trunks after 9 d. C1 USDA ARS,PLANT PROTECT RES UNIT,ITHACA,NY 14853. NR 23 TC 31 Z9 31 U1 0 U2 3 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 129 EP 135 PG 7 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000019 ER PT J AU JONES, CJ MILNE, DE PATTERSON, RS SCHREIBER, ET MILIO, JA AF JONES, CJ MILNE, DE PATTERSON, RS SCHREIBER, ET MILIO, JA TI NECTAR FEEDING BY STOMOXYS-CALCITRANS (DIPTERA, MUSCIDAE) - EFFECTS ON REPRODUCTION AND SURVIVAL SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; NECTAROPHAGY; REPRODUCTION; SURVIVORSHIP ID STABLE FLY; BLOOD AB Stable flies, Stomoxys calcitrans (L.), were offered one, two, or ad libitum meals of citrated bovine blood on a daily basis in combination with nectar (a 1:3 dilution of wild honey in water) at levels of none, one, or ad libitum each day. Reproduction during a 12-d period was depressed with ad libitum nectar to as low as 35% of flies receiving nectar once per day or not at all. Direct interference with blood hunger appeared to occur in nectar-fed stable flies. Female survivorship decreased 21-29% among flies receiving ad libitum nectar. Flies given blood ad libitum produced > 55 and 40% more eggs than flies offered blood once or twice per day. In a separate experiment, the survivorship of adult flies given dilutions of purified sugars was measured. Statistically, the highest mean survival time was 8 d for flies fed trehalose, 5 times the length allowed by water alone. Fructose and melezitose were next, with life spans that were almost-equal-to 4 times that of water-fed flies. Maltose, raffinose, glucose, sucrose, and melibiose meals extended life spans from 3 to 2 times that of water. The disturbance to reproduction that results from nectarophagous activities is discussed in view of the normal field activities of the species. C1 USDA ARS,MED & VET ENTOMOL RES LAB,GAINESVILLE,FL 32608. USDA ARS,INSECTS INFECTING MAN & ANIM RES LAB,GAINESVILLE,FL 32604. NR 18 TC 18 Z9 18 U1 0 U2 4 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 141 EP 147 PG 7 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000021 ER PT J AU LIN, HC PHELAN, PL BARTELT, RJ AF LIN, HC PHELAN, PL BARTELT, RJ TI SYNERGISM BETWEEN SYNTHETIC FOOD ODORS AND THE AGGREGATION PHEROMONE FOR ATTRACTING CARPOPHILUS-LUGUBRIS IN THE FIELD (COLEOPTERA, NITIDULIDAE) SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; CARPOPHILUS-LUGUBRIS; AGGREGATION PHEROMONE; HOST ODOR ATTRACTANTS ID BEETLES COLEOPTERA AB Natural and synthetic food odors presented alone and in combination with aggregation pheromone were investigated for Carpophilus lugubris Murray in the field. Whole-wheat bread dough and a synthetic bread dough odor were comparable for attracting C. lugubris, a result that paralleled our previous findings in the wind tunnel. The aggregation pheromone alone elicited little beetle response. However, the addition of aggregation pheromone to bread dough or to the synthetic bread dough odor significantly increased beetle attraction to a level 4.8- and 3.1-fold greater, respectively. The seven components in the synthetic bread dough odor were clustered into three groups based on their activities in attracting C. lugubris, and beetle catch was reduced by the elimination of any group. Beetle catch with a three-component blend of acetaldehyde, ethyl acetate, and 2-methylpropanol was also significantly less than that with the seven-component blend. Addition of the aggregation pheromone synergistically increased beetle attraction to synthetic food odor blends by 2.6 to 3.5 times. Synergism did not significantly vary among synthetic food odor blends. This study confirms the chemical identity of food volatiles modulating food finding in C. lugubris, and demonstrates that the wind-tunnel bioassay can act as a good predictor of chemically mediated host finding in the field. C1 USDA ARS, NATL CTR AGR UTILIZAT RES, PEORIA, IL 61604 USA. RP LIN, HC (reprint author), OHIO STATE UNIV, OHIO AGR RES & DEV CTR, DEPT ENTOMOL, 1680 MADISON AVE, WOOSTER, OH 44691 USA. NR 20 TC 20 Z9 22 U1 0 U2 5 PU ENTOMOLOGICAL SOC AMER PI ANNAPOLIS PA 3 PARK PLACE, STE 307, ANNAPOLIS, MD 21401-3722 USA SN 0046-225X EI 1938-2936 J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 156 EP 159 PG 4 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000023 ER PT J AU WERREN, JH RAUPP, MJ SADOFF, CS ODELL, TM AF WERREN, JH RAUPP, MJ SADOFF, CS ODELL, TM TI HOST PLANTS USED BY GYPSY MOTHS AFFECT SURVIVAL AND DEVELOPMENT OF THE PARASITOID COTESIA-MELANOSCELA SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; GYPSY MOTHS; PARASITOIDS; HOST PLANT ID FECUNDITY AB The effects of short-term phenological changes in different tree species on development and survival of the gypsy moth parasitoid Cotesia melanoscela (Ratz.) are examined. Larvae stung by C. melanoscela and an unstung control group were allowed to develop on foliage from four tree species (red maple, mockernut hickory, American beech, and white oak) started on five different dates during a 16-d period after bud break. Survival of Cotesia larvae declined significantly with start date on all four species; however, white oak supported high wasp survival for most of the period. Wasp development time also increased significantly with increasing start date on each species. Stung larvae suffered significantly higher mortality from causes other than wasp emergence than did control larvae. The implications for underestimating mortality attributable to parasite attack are discussed. In particular, C. melanoscela probably causes significantly greater mortality of gypsy moth larvae than estimated from parasite emergence. C1 UNIV MARYLAND,DEPT ENTOMOL,COLLEGE PK,MD 20742. PURDUE UNIV,DEPT ENTOMOL,W LAFAYETTE,IN 47907. US FOREST SERV,HAMDEN,CT 06514. RP WERREN, JH (reprint author), UNIV ROCHESTER,DEPT BIOL,ROCHESTER,NY 14627, USA. NR 11 TC 25 Z9 25 U1 0 U2 3 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 173 EP 177 PG 5 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000026 ER PT J AU SAJAP, AS LEWIS, LC AF SAJAP, AS LEWIS, LC TI CHRONOLOGY OF INFECTION OF EUROPEAN CORN-BORER (LEPIDOPTERA, PYRALIDAE) WITH THE MICROSPORIDIUM NOSEMA-PYRAUSTA - EFFECT ON DEVELOPMENT AND VERTICAL TRANSMISSION SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; OSTRINIA-NUBILALIS; MICROSPORIDIUM; NOSEMA-PYRAUSTA ID OSTRINIA-NUBILALIS LEPIDOPTERA; CENTRAL ILLINOIS AB Nosema pyrausta (Paillot) detrimentally affected the development of its host, Ostrinia nubilalis (Hubner). Larvae exposed to the microsporidium during the first two stadia formed abnormal pupae or emerged as abnormal adults. Infections of later instars reduced average longevity of resultant adult females by at least 2 d and fecundity by at least 50%. Eggs from infected adults were contaminated with the microsporidium. The prevalence of transovarial-transovum infections, determined by the presence of spores in eggs or in emerging larvae, varied with the spore concentrations to which the parent females were exposed and with the time (within the oviposition period) that the eggs were laid. Per os infection of O. nubilalis larvae with N. pyrausta is important in maintaining this microsporidium in a population of O. nubilalis as well as reducing the vitality of the population. C1 IOWA STATE UNIV SCI & TECHNOL,DEPT ENTOMOL,AMES,IA 50011. USDA ARS,CORN INSECTS RES UNIT,ANKENY,IA. NR 14 TC 21 Z9 21 U1 0 U2 0 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 178 EP 182 PG 5 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000027 ER PT J AU IGNOFFO, CM GARCIA, C AF IGNOFFO, CM GARCIA, C TI COMBINATIONS OF ENVIRONMENTAL-FACTORS AND SIMULATED SUNLIGHT AFFECTING ACTIVITY OF INCLUSION-BODIES OF THE HELIOTHIS (LEPIDOPTERA, NOCTUIDAE) NUCLEOPOLYHEDROSIS VIRUS SO ENVIRONMENTAL ENTOMOLOGY LA English DT Article DE INSECTA; HELICOVERPA-ZEA; BACULOVIRUS-HELIOTHIS; SIMULATED SUNLIGHT ID NUCLEAR POLYHEDROSIS-VIRUS; INACTIVATION; BACULOVIRUSES; VIRESCENS; COTTON; ZEA AB When polyhedral inclusion bodies (PIB) of the singly embedded nucleopolyhedrosis virus of Heliothis, Baculovirus heliothis (HzSNPV), were exposed in water to simulated sunlight, there was about a 90% loss of its original viral activity, and the PIB were almost-equal-to 3 times more sensitive than dry PIB. The pH (at 3,6, or 9) of the suspension had no significant effect on the extent of inactivation of PIB by simulated sunlight. Temperature of exposure (10, 22, 35, or 50-degrees-C) also had no effect on sensitivity of PIB exposed to simulated sunlight. Normally encountered field temperatures or pH, or both, coupled with exposure to sunlight, should not adversely affect the stability of PIB of HzSNPV. Presence of free water, however, can significantly increase the extent of PIB inactivation by sunlight. RP IGNOFFO, CM (reprint author), USDA ARS,BIOL CONTROL INSECTS RES LAB,COLUMBIA,MO 65205, USA. NR 25 TC 27 Z9 29 U1 0 U2 1 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0046-225X J9 ENVIRON ENTOMOL JI Environ. Entomol. PD FEB PY 1992 VL 21 IS 1 BP 210 EP 213 PG 4 WC Entomology SC Entomology GA HD780 UT WOS:A1992HD78000032 ER PT J AU MCKENNA, IM CHANEY, RL TAO, SH LEACH, RM WILLIAMS, FM AF MCKENNA, IM CHANEY, RL TAO, SH LEACH, RM WILLIAMS, FM TI INTERACTIONS OF PLANT ZINC AND PLANT-SPECIES ON THE BIOAVAILABILITY OF PLANT CADMIUM TO JAPANESE-QUAIL FED LETTUCE AND SPINACH SO ENVIRONMENTAL RESEARCH LA English DT Article ID DIETARY ZINC; TISSUE DISTRIBUTION; OXALIC-ACID; METALLOTHIONEIN; AVAILABILITY; COPPER; MICE; IRON; RATS; ACCUMULATION C1 PENN STATE UNIV,GRAD DEGREE PROGRAM ECOL,UNIV PK,PA 16802. PENN STATE UNIV,DEPT POULTRY SCI,UNIV PK,PA 16802. PENN STATE UNIV,GRAD DEGREE PROGRAM ECOL,UNIV PK,PA 16802. PENN STATE UNIV,DEPT BIOL,UNIV PK,PA 16802. PENN STATE UNIV,DEPT AGRON,UNIV PK,PA 16802. US FDA,DIV NUTR,WASHINGTON,DC 20204. RP MCKENNA, IM (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,ENVIRONM CHEM LAB,BLDG 007,BELTSVILLE,MD 20705, USA. NR 35 TC 32 Z9 34 U1 2 U2 6 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0013-9351 J9 ENVIRON RES JI Environ. Res. PD FEB PY 1992 VL 57 IS 1 BP 73 EP 87 DI 10.1016/S0013-9351(05)80020-9 PG 15 WC Environmental Sciences; Public, Environmental & Occupational Health SC Environmental Sciences & Ecology; Public, Environmental & Occupational Health GA HE770 UT WOS:A1992HE77000007 PM 1740097 ER PT J AU VANLOAN, MD MAYCLIN, PL AF VANLOAN, MD MAYCLIN, PL TI USE OF MULTIFREQUENCY BIOELECTRICAL IMPEDANCE ANALYSIS FOR THE ESTIMATION OF EXTRACELLULAR FLUID SO EUROPEAN JOURNAL OF CLINICAL NUTRITION LA English DT Article ID TOTAL-BODY WATER; FLUORESCENT EXCITATION ANALYSIS; MASS; VALIDATION AB Thomasset (Lyon Medicine (1962): 207, 107-118; (1963): 209, 1325-1350; (1965): 214, 131-143) and others suggested that low-frequency impedance measurements could be used to estimate extracellular fluid and that high-frequency measurements could be used for the assessment of total body water. It was the purpose of this study to examine the relationship between body fluid compartments and multi-frequency bioelectrical impedance analysis (MF-BIA). Total body water (TBW) and extracellular fluid (ECF) were measured using deuterium and sodium bromide dilution procedures. Intracellular fluid volume (ICF) was calculated as the difference between TBW and ECF. A tetrapolar arrangement of surface electrodes was used to measure whole-body resistance (R), reactance (Xc), impedance (Z), and phase angle (P) at 25 frequencies ranging from 1 kHz to 1.35 MHz. Subjects (n = 60; 40 male and 20 female) were between the ages of 19 and 65 years. Mean ratios (+/- SEM) of ECF/ICF and ECF/TBW were 0.83 +/- 0.021 and 0.45 +/- 011, respectively. Individuals with the largest fat-free mass (FFM) had the highest ECF value. Whole-body resistive index values most correlated to ECF were at 224, 300, 400, 548 and 1 kHz with correlations ranging from 0.93 to 0.84. All possible subset regression analysis was used to develop a prediction equation for ECF: R2 = 0.924 and SEE = 1.061: ECF = 5.17753 + (0.09989* RI224) + (0.09322 * WT) - (1.3962 * SEX), where RI = resistive index (HT2/R) at the specific frequency of 224 kHz; WT = weight in kilograms; sex was dummy-coded, males = 0, females = 1. RP VANLOAN, MD (reprint author), USDA ARS,W HUMAN NUTR RES CTR,POB 29997,SAN FRANCISCO,CA 94129, USA. NR 24 TC 69 Z9 72 U1 0 U2 0 PU STOCKTON PRESS PI BASINGSTOKE PA HOUNDMILLS, BASINGSTOKE, HAMPSHIRE, ENGLAND RG21 6XS SN 0954-3007 J9 EUR J CLIN NUTR JI Eur. J. Clin. Nutr. PD FEB PY 1992 VL 46 IS 2 BP 117 EP 124 PG 8 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HJ512 UT WOS:A1992HJ51200005 PM 1559513 ER PT J AU ELLER, MS OLEKSIAK, MF MCQUAID, TJ MCAFEE, SG GILCHREST, BA AF ELLER, MS OLEKSIAK, MF MCQUAID, TJ MCAFEE, SG GILCHREST, BA TI THE MOLECULAR-CLONING AND EXPRESSION OF 2 CRABP CDNAS FROM HUMAN SKIN SO EXPERIMENTAL CELL RESEARCH LA English DT Article ID ACID-BINDING-PROTEIN; CULTURED HUMAN KERATINOCYTES; CHICK LIMB BUD; RETINOIC ACID; VITAMIN-A; TERMINAL DIFFERENTIATION; SPATIAL-DISTRIBUTION; SUN EXPOSURE; CELLS; EMBRYO C1 TUFTS UNIV,HUMAN NUTR RES CTR AGING,USDA,BOSTON,MA 02111. BOSTON UNIV,SCH MED,DEPT DERMATOL,BOSTON,MA 02111. FU NIA NIH HHS [AG 07114] NR 55 TC 21 Z9 23 U1 0 U2 0 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0014-4827 J9 EXP CELL RES JI Exp. Cell Res. PD FEB PY 1992 VL 198 IS 2 BP 328 EP 336 DI 10.1016/0014-4827(92)90387-N PG 9 WC Oncology; Cell Biology SC Oncology; Cell Biology GA GZ599 UT WOS:A1992GZ59900018 PM 1309505 ER PT J AU HODGSON, JL STILLER, D JASMER, DP BUENING, GM WAGNER, GG MCGUIRE, TC AF HODGSON, JL STILLER, D JASMER, DP BUENING, GM WAGNER, GG MCGUIRE, TC TI BABESIA-BIGEMINA - QUANTITATION OF INFECTION IN NYMPHAL AND ADULT BOOPHILUS-MICROPLUS USING A DNA PROBE SO EXPERIMENTAL PARASITOLOGY LA English DT Article ID RHIPICEPHALUS-APPENDICULATUS; THEILERIA-PARVA; TICK VECTOR; SURFACE; CATTLE; LARVAE; BOVIS; TEMPERATURE; ANTIBODY; PROTEINS C1 WASHINGTON STATE UNIV,DEPT VET MICROBIOL & PATHOL,PULLMAN,WA 99164. USDA ARS,ANIM DIS RES UNIT,MOSCOW,ID. UNIV MISSOURI,DEPT VET MICROBIOL,COLUMBIA,MO 65201. TEXAS A&M UNIV SYST,COLL VET MED,CTR TROP ANIM HLTH,COLLEGE STN,TX 77843. NR 46 TC 9 Z9 9 U1 0 U2 0 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0014-4894 J9 EXP PARASITOL JI Exp. Parasitol. PD FEB PY 1992 VL 74 IS 1 BP 117 EP 126 DI 10.1016/0014-4894(92)90146-2 PG 10 WC Parasitology SC Parasitology GA HB436 UT WOS:A1992HB43600014 PM 1730269 ER PT J AU SNIPES, CE CATHEY, GW AF SNIPES, CE CATHEY, GW TI EVALUATION OF DEFOLIANT MIXTURES IN COTTON SO FIELD CROPS RESEARCH LA English DT Article AB Current chemical defoliants have limitations which are usually magnified by environmental conditions or the nature of the compound. The objective of this study was to evaluate the effectiveness of various chemical defoliants when used in combination at one-half the standard use rate. Tests were conducted from 1986 to 1988 at the Delta Branch Experiment Station in Stoneville, Mississippi and in 1987 and 1988 at the Plant Science Research Center in Starkville, Mississippi. Chemicals evaluated were tribufos (S,S,S-tributylphosphorotriphioate), thidiazuron (N-phenyl-N prime-1,2,3-thi-diazo-5-ylurea), dimethipin (2,3-dihydro-5,6-dimethyl-1,4-dithiin 1,1,4,4 tetraoxide), and ethephon [(2-chloroethyl) phosphonic acid]. Standard rates for each chemical defoliant were 1.26, 0.14, 0.35, and 2.24 kg/ha, respectively. When used in two-way combination treatments, each defoliant rate was reduced by one-half. A non-ionic surfactant at 0.25% (v/v) was added to all dimethipin treatments. Defoliation and regrowth estimates were made by visual observations at 5, 7, and 14 days after treatment. In general, two chemical defoliants tank-mixed at one-half the standard use rate were equal to or superior to either single component applied at the standard use rate. In addition to equal effectiveness, combinations offered additional safeguards against adverse environmental conditions. C1 USDA ARS,COTTON PHYSIOL & GENET RES UNIT,STONEVILLE,MS 38776. RP SNIPES, CE (reprint author), MISSISSIPPI AGR & FORESTRY EXPTL STN,DELTA BRANCH,POB 197,STONEVILLE,MS 38776, USA. NR 9 TC 5 Z9 7 U1 3 U2 5 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0378-4290 J9 FIELD CROP RES JI Field Crop. Res. PD FEB PY 1992 VL 28 IS 4 BP 327 EP 334 DI 10.1016/0378-4290(92)90018-5 PG 8 WC Agronomy SC Agriculture GA HE624 UT WOS:A1992HE62400006 ER PT J AU CRAWFORD, LM AF CRAWFORD, LM TI INTERNATIONAL FOOD SAFETY REGULATIONS - IMPROVING THE CODEX ALIMENTARIUS PROCESS SO FOOD TECHNOLOGY LA English DT Article C1 USDA,FOOD SAFETY & INSPECT SERV,WASHINGTON,DC 20250. RP CRAWFORD, LM (reprint author), NATL FOOD PROCESSORS ASSOC,SCI AFFAIRS,1401 NEW YORK AVE NW,WASHINGTON,DC 20005, USA. NR 0 TC 0 Z9 0 U1 2 U2 2 PU INST FOOD TECHNOLOGISTS PI CHICAGO PA SUITE 300 221 N LASALLE ST, CHICAGO, IL 60601-1291 SN 0015-6639 J9 FOOD TECHNOL-CHICAGO JI Food Technol. PD FEB PY 1992 VL 46 IS 2 BP 98 EP & PG 0 WC Food Science & Technology SC Food Science & Technology GA HE055 UT WOS:A1992HE05500010 ER PT J AU REGALADO, C KLINE, DE ARAMAN, PA AF REGALADO, C KLINE, DE ARAMAN, PA TI OPTIMUM EDGING AND TRIMMING OF HARDWOOD LUMBER SO FOREST PRODUCTS JOURNAL LA English DT Article AB Before the adoption of an automated system for optimizing edging and trimming in hardwood mills, the performance of present manual systems must be evaluated to provide a basis for comparison. A study was made in which lumber values recovered in actual hardwood operations were compared to the output of a computer-based procedure for edging and trimming optimization. The optimization procedure was based on National Hardwood Lumber Association grading rules and market prices for green lumber. Using a sample of 120 red oak boards obtained from three sawmills in southwest Virginia, it was found that the respective mills recovered only 78, 65, and 62 percent of the value yielded by the optimization procedure. Given the level of value recovery actually attained by sawmills, it was concluded that substantial increases in value can be expected from optimizing edging and trimming. Other aspects of interest were investigated, such as the quality (grade) of lumber that benefitted most from optimization, the effect of volume loss on value recovery, and the relative impact on lumber value if each operation were optimized independently of each other. C1 VIRGINIA POLYTECH INST & STATE UNIV,BROOKS FOREST PROD CTR,SE FOREST EXPT STN,US FOREST SERV,BLACKSBURG,VA 24061. RP REGALADO, C (reprint author), VIRGINIA POLYTECH INST & STATE UNIV,DEPT WOOD SCI & FOREST PROD,BLACKSBURG,VA 24061, USA. NR 13 TC 10 Z9 11 U1 0 U2 0 PU FOREST PRODUCTS SOC PI MADISON PA 2801 MARSHALL COURT, MADISON, WI 53705-2295 SN 0015-7473 J9 FOREST PROD J JI For. Prod. J. PD FEB PY 1992 VL 42 IS 2 BP 8 EP 14 PG 7 WC Forestry; Materials Science, Paper & Wood SC Forestry; Materials Science GA HE060 UT WOS:A1992HE06000003 ER PT J AU STEELE, PH WADE, MW BULLARD, SH ARAMAN, PA AF STEELE, PH WADE, MW BULLARD, SH ARAMAN, PA TI RELATIVE KERF AND SAWING VARIATION VALUES FOR SOME HARDWOOD SAWING MACHINES SO FOREST PRODUCTS JOURNAL LA English DT Article ID WIDTH AB Information on the conversion efficiency of sawing machines is important to those involved in the management, maintenance, and design of sawmills. Little information on the conversion characteristics of hardwood sawing machines has been available. This study, based on 266 studies of 6 machine types, provides an analysis of the machine characteristics of kerf width, within-board, between-board, and total sawing variations and wood loss per sawline. Machine conversion efficiency was found to be explained by feedworks and setworks type, and sawblade thickness and type. This analysis of machine characteristics provides information for a rational choice of sawing machines for hardwood sawmills. C1 VIRGINIA POLYTECH INST & STATE UNIV,BROOKS FOREST PROD CTR,US FOREST SERV,BLACKSBURG,VA 24061. MISSISSIPPI STATE UNIV,DEPT FORESTRY,MISSISSIPPI STATE,MS 39762. RP STEELE, PH (reprint author), MISSISSIPPI FOREST PROD UTILIZAT LAB,PO DRAWER FP,MISSISSIPPI STATE,MS 39762, USA. NR 19 TC 4 Z9 6 U1 1 U2 1 PU FOREST PRODUCTS SOC PI MADISON PA 2801 MARSHALL COURT, MADISON, WI 53705-2295 SN 0015-7473 J9 FOREST PROD J JI For. Prod. J. PD FEB PY 1992 VL 42 IS 2 BP 33 EP 39 PG 7 WC Forestry; Materials Science, Paper & Wood SC Forestry; Materials Science GA HE060 UT WOS:A1992HE06000007 ER PT J AU HAINES, DA SMITH, MC AF HAINES, DA SMITH, MC TI SIMULATION OF THE COLLAPSE OF BENT-OVER VORTEX PAIRS OBSERVED IN WILDLAND FIRES SO FOREST SCIENCE LA English DT Article DE FIRE WHIRLWINDS; FIRE WEATHER; WIND TUNNELS ID WIND-TUNNEL; VORTICES AB During intense wildland fires a transient vortex pair sometimes occurs that may form with a near vertical axis but then bends over and becomes horizontal. Collapsing limbs of these vortex pairs threaten fire fighters. Therefore, this study simulated vortex collapse in a wind tunnel. Collapse was produced by cross air flow upstream of the heat source. Using an upstream, wing-shaped obstacle to create cross air flow, the wind tunnel experiments showed that small changes in wing angle, and thus cross air flow, could cause major changes in the structure of the vortex pair. C1 MICHIGAN STATE UNIV,DEPT MECH ENGN,E LANSING,MI 48824. RP HAINES, DA (reprint author), US FOREST SERV,N CENT FOREST EXPT STN,1407 S HARRISON RD,E LANSING,MI 48823, USA. NR 15 TC 3 Z9 4 U1 0 U2 0 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0015-749X J9 FOREST SCI JI For. Sci. PD FEB PY 1992 VL 38 IS 1 BP 68 EP 79 PG 12 WC Forestry SC Forestry GA HF291 UT WOS:A1992HF29100006 ER PT J AU STOW, TK ALLEN, HL KRESS, LW AF STOW, TK ALLEN, HL KRESS, LW TI OZONE IMPACTS ON SEASONAL FOLIAGE DYNAMICS OF YOUNG LOBLOLLY-PINE SO FOREST SCIENCE LA English DT Article DE ABSCISSION; LEAF AREA DURATION; PHENOLOGY; SENESCENCE; PINUS-TAEDA L ID GROWTH; SEEDLINGS AB Effects of above- and below-ambient levels of ozone (O3) on the production, abscission, and duration of foliage of young loblolly pine (Pinus taeda L.) grown in open-top chambers were examined in the Piedmont of North Carolina. Assessments of fascicle elongation and number were made at frequent intervals during 1988, 1989, and 1990 for all 1988 primary flushes on the stem and at a branch position. Ozone treatment had little effect on overall foliage production; however, all elevated O3 levels reduced foliage retention. Foliage abscission for most flushes was initiated when cumulative O3 dose exceeded 130 to 220 ppm-hr regardless of crown position for trees exposed to ambient and above-ambient O3 levels. Reductions in leaf area duration of the 1988 cohort were observed at ambient and higher O3 levels. Total leaf area duration was 22 and 25% greater for the stem and branch positions in the charcoal-filtered as compared to nonfiltered treatments. The greater duration in charcoal-filtered chambers resulted from significantly greater retention into the third growing season. Foliage development and ozone responses at the branch position were more representative of the whole crown than those at the stem position. C1 US FOREST SERV,RES TRIANGLE PK,NC. N CAROLINA STATE UNIV,DEPT FORESTRY,RALEIGH,NC 27695. RP STOW, TK (reprint author), CADMUS GRP INC,DURHAM,NC, USA. NR 28 TC 36 Z9 36 U1 1 U2 1 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0015-749X J9 FOREST SCI JI For. Sci. PD FEB PY 1992 VL 38 IS 1 BP 102 EP 119 PG 18 WC Forestry SC Forestry GA HF291 UT WOS:A1992HF29100009 ER PT J AU STIER, JC BENGSTON, DN AF STIER, JC BENGSTON, DN TI TECHNICAL CHANGE IN THE NORTH-AMERICAN FORESTRY SECTOR - A REVIEW SO FOREST SCIENCE LA English DT Review ID WOOD-PRODUCTS INDUSTRY; UNITED-STATES PULP; TIMBER UTILIZATION RESEARCH; FLEXIBLE FUNCTIONAL FORMS; PAPER-INDUSTRY; FACTOR DEMAND; FACTOR SUBSTITUTION; LUMBER INDUSTRY; TECHNOLOGICAL-CHANGE; PLYWOOD INDUSTRIES AB Economists have examined the impact of technical change on the forest products sector using the historical, index number, and econometric approaches. This paper reviews econometric analyses of the rate and bias of technical change, examining functional form, factors included, and empirical results. Studies are classified as first- second-, or third-generation approaches. First-generation studies are based on simple value-added measures of output, usually employ simple functional forms to represent the production technology, and incorporate only capital and labor inputs. Second-generation studies are characterized by estimation of more complex, flexible dual cost or profit functions and typically include resource and often energy inputs. Third-generation studies also rely upon dual formulations of the production structure and include multiple factors; however, in addition they specify the dynamics of adjustment of quasi-fixed factors over time. The studies reveal a tradeoff between the richness of the theoretical structure of the production technology and the consistency of the empirical results. Most studies have reported a labor-saving and energy-using bias to technical change, but little or no wood-saving bias, and many report a wood-using bias. Since technical advances occur in spurts, the use of a simple linear time trend to represent the state of technology is a major limitation of virtually all models. Alternative measures, such as the power ratings or throughput measures, might better capture the characteristics of a technology. Use of such measures might also be combined with a cross-sectional approach in an attempt to avoid some of the statistical problems, such as serial correlation, that characterize time series data. Finally, if the goal of the analysis is to forecast factor demand and cost implications of technical change, simulation models may offer a more promising alternative. C1 US FOREST SERV,N CENT FOREST EXPT STN,ST PAUL,MN 55108. RP STIER, JC (reprint author), UNIV WISCONSIN,DEPT FORESTRY,MADISON,WI 53760, USA. NR 110 TC 33 Z9 33 U1 2 U2 7 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0015-749X J9 FOREST SCI JI For. Sci. PD FEB PY 1992 VL 38 IS 1 BP 134 EP 159 PG 26 WC Forestry SC Forestry GA HF291 UT WOS:A1992HF29100011 ER PT J AU VALENTINE, HT BEALLE, C GREGOIRE, TG AF VALENTINE, HT BEALLE, C GREGOIRE, TG TI COMPARING VERTICAL AND HORIZONTAL MODES OF IMPORTANCE AND CONTROL-VARIATE SAMPLING FOR BOLE VOLUME SO FOREST SCIENCE LA English DT Article DE CRITICAL HEIGHT METHOD; LOG VOLUME; MERCHANTABLE VOLUME; PROBABILITY AB Vertical and horizontal modes of both importance and control-variate sampling for estimating merchantable and total volumes of boles are described and compared. In the horizontal mode, heights are selected at random, and cross-sectional areas are measured. In the vertical mode, cross-sectional areas are selected at random and heights are measured. Estimates obtained by horizontal and vertical control-variate sampling (also known as the critical height method) were equally precise in tests using a proxy taper equation that was linear in cross-sectional area versus height. Both methods gave more precise estimates than did horizontal importance sampling, though the advantage was small for merchantable volume. The performance of vertical importance sampling varied with bole shape. It was the most precise method for some shapes, the least for others. C1 BRITISH COLUMBIA MINIST FORESTS,VICTORIA V8W 3E7,BC,CANADA. VIRGINIA POLYTECH INST & STATE UNIV,FOREST BIOMETR,BLACKSBURG,VA 24061. RP VALENTINE, HT (reprint author), US FOREST SERV,LOUIS C WYMAN FOREST SCI LAB,POB 640,DURHAM,NH 03824, USA. NR 14 TC 16 Z9 16 U1 0 U2 0 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0015-749X J9 FOREST SCI JI For. Sci. PD FEB PY 1992 VL 38 IS 1 BP 160 EP 172 PG 13 WC Forestry SC Forestry GA HF291 UT WOS:A1992HF29100012 ER PT J AU LAW, BE RIITTERS, KH OHMANN, LF AF LAW, BE RIITTERS, KH OHMANN, LF TI GROWTH IN RELATION TO CANOPY LIGHT INTERCEPTION IN A RED PINE (PINUS-RESINOSA) THINNING STUDY SO FOREST SCIENCE LA English DT Note ID LEAF-AREA INDEX; PHOTOSYNTHESIS; COMPETITION AB Growth data from the most recent 5 years of a 40-year thinning study in an even-aged red pine (Pinus resinosa) forest in Cutfoot Sioux Experimental Forest, Minnesota, were used with intercepted photosynthetically active radiation (IPAR) data to determine the relationship between light interception and growth for a range of stand densities. Stand basal area (BA) growth was proportional to the amount of light intercepted within the stand (P = 0.06, r2 = 0.73), and individual tree growth was inversely related to the amount of light intercepted by the canopy (P = 0.08, r2 = 0.69). Stand growth efficiency (SGE = ratio of 5-year plot BA growth to plot median %IPAR) was only weakly correlated with stand density (P much greater than 0.10, r = 0.31). The rate of change in stand growth efficiency may be a good indicator of change in forest condition over a range of stand densities. C1 MANTECH ENVIRONM TECHNOL,RES TRIANGLE PK,NC. US FOREST SERV,N CENT FOREST EXPT STN,GRAND RAPIDS,MN. RP LAW, BE (reprint author), OREGON STATE UNIV,DEPT FOREST SCI,CORVALLIS,OR 97331, USA. OI Law, Beverly/0000-0002-1605-1203 NR 15 TC 17 Z9 17 U1 1 U2 3 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0015-749X J9 FOREST SCI JI For. Sci. PD FEB PY 1992 VL 38 IS 1 BP 199 EP 202 PG 4 WC Forestry SC Forestry GA HF291 UT WOS:A1992HF29100016 ER PT J AU GRAHAM, DY LEW, GM MALATY, HM EVANS, DG EVANS, DJ KLEIN, PD ALPERT, LC GENTA, RM AF GRAHAM, DY LEW, GM MALATY, HM EVANS, DG EVANS, DJ KLEIN, PD ALPERT, LC GENTA, RM TI FACTORS INFLUENCING THE ERADICATION OF HELICOBACTER-PYLORI WITH TRIPLE THERAPY SO GASTROENTEROLOGY LA English DT Article ID COLLOIDAL BISMUTH SUBCITRATE; ULCER; DISEASE C1 BAYLOR COLL MED,DEPT MED,HOUSTON,TX 77030. BAYLOR COLL MED,DEPT PEDIAT,HOUSTON,TX 77030. BAYLOR COLL MED,DEPT PATHOL,DIV MOLEC VIROL,HOUSTON,TX 77030. BAYLOR COLL MED,USDA ARS,CHILDRENS NUTR RES CTR,HOUSTON,TX 77030. RP GRAHAM, DY (reprint author), VET AFFAIRS MED CTR 111D,2002 HOLCOMBE BLVD,HOUSTON,TX 77030, USA. FU NIDDK NIH HHS [DK 39919] NR 18 TC 518 Z9 525 U1 1 U2 2 PU W B SAUNDERS CO PI PHILADELPHIA PA INDEPENDENCE SQUARE WEST CURTIS CENTER, STE 300, PHILADELPHIA, PA 19106-3399 SN 0016-5085 J9 GASTROENTEROLOGY JI Gastroenterology PD FEB PY 1992 VL 102 IS 2 BP 493 EP 496 PG 4 WC Gastroenterology & Hepatology SC Gastroenterology & Hepatology GA HA639 UT WOS:A1992HA63900015 PM 1732120 ER PT J AU KOWLES, RV MCMULLEN, MD YERK, G PHILLIPS, RL KRAEMER, S SRIENC, F AF KOWLES, RV MCMULLEN, MD YERK, G PHILLIPS, RL KRAEMER, S SRIENC, F TI ENDOSPERM MITOTIC-ACTIVITY AND ENDOREDUPLICATION IN MAIZE AFFECTED BY DEFECTIVE KERNEL MUTATIONS SO GENOME LA English DT Article DE DEFECTIVE KERNELS; ENDOSPERM; ENDOREDUPLICATION ID MUTANTS; EMBRYO; GENES; BARLEY; WEIGHT; DNA AB A group of 35 defective kernel (dek) mutants in maize has been studied with regard to their effect on endosperm development. Information is reported on kernel weight, kernel viability, mutant transmission, DNA content per endosperm nucleus, endosperm cell numbers during development, and DNA endoreduplication patterns. All of the dek mutations reduced mitotic activity and resulted in greatly reduced cell numbers. All except one mutation decreased DNA endoreduplication. The exception indicates that the processes of mitotic activity and endoreduplication can be uncoupled. Notable differences in DNA endoreduplication patterns were observed among the dek strains. Defective kernels with homozygous defective embryos did not germinate in any of these strains, although some morphologically defective kernels did germinate and were shown to have normal embryos of +/+ or +/dek genotype. Dek mutants that had a defective endosperm and an embryo that developed normally were not identified. The mutations investigated are recessive, but F2 segregation for many of the mutants revealed significant deviations from expected 3:1 ratios. C1 OHIO STATE UNIV,USDA ARS,CORN & SOYBEAN RES UNIT,WOOSTER,OH 44691. UNIV MINNESOTA,DEPT AGRON & PLANT GENET,ST PAUL,MN 55108. UNIV MINNESOTA,INST PLANT MOLEC GENET,ST PAUL,MN 55108. COLORADO STATE UNIV,DEPT RADIOL HLTH SCI,FT COLLINS,CO 80523. UNIV MINNESOTA,INST ADV STUDIES BIOL PROC TECHNOL,ST PAUL,MN 55108. UNIV MINNESOTA,DEPT CHEM ENGN & MAT SCI,ST PAUL,MN 55108. OHIO STATE UNIV,DEPT AGRON,WOOSTER,OH 44691. RP KOWLES, RV (reprint author), ST MARYS COLL MINNESOTA,DEPT BIOL,WINONA,MN 55987, USA. NR 34 TC 25 Z9 30 U1 2 U2 7 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0831-2796 J9 GENOME JI Genome PD FEB PY 1992 VL 35 IS 1 BP 68 EP 77 PG 10 WC Biotechnology & Applied Microbiology; Genetics & Heredity SC Biotechnology & Applied Microbiology; Genetics & Heredity GA HJ351 UT WOS:A1992HJ35100012 ER PT J AU HANG, A TSUCHIYA, T AF HANG, A TSUCHIYA, T TI PRODUCTION AND CYTOLOGICAL STUDIES OF 9-PAIRED BARLEY (HORDEUM-VULGARE) SO GENOME LA English DT Article DE 9-PAIRED BARLEY; ANEUPLOID; TRISOMIC; DUPLICATION; HORDEUM ID MONOTELOTRISOMICS AB Several barley plants with 2n = 18 chromosomes (9 II) were developed from crosses between two lines with 2n = 16 chromosomes (8 II). Cytological studies of the 18-chromosome plants showed nine bivalents at metaphase I and normal 9:9 segregation at anaphase I. Morphologically, these plants with 18 chromosomes were qualitatively similar to normal diploids (2n = 14), in spite of a duplication of a small proximal segment of the short arm of chromosome 3. However, the 18-chromosome plants were as vigorous as some normal diploid cultivars and more vigorous than 16-chromosome parental lines. If the duplicated segment carried beneficial gene(s), it might be useful for enhancement of germplasm in barley genetics and breeding. The significance of the establishment of this new 18-chromosome barley in karyotype evolution is discussed. C1 COLORADO STATE UNIV,DEPT AGRON,FT COLLINS,CO 80523. RP HANG, A (reprint author), USDA ARS,POB 307,ABERDEEN,ID 83210, USA. NR 24 TC 1 Z9 1 U1 0 U2 0 PU NATL RESEARCH COUNCIL CANADA PI OTTAWA PA RESEARCH JOURNALS, MONTREAL RD, OTTAWA ON K1A 0R6, CANADA SN 0831-2796 J9 GENOME JI Genome PD FEB PY 1992 VL 35 IS 1 BP 78 EP 83 PG 6 WC Biotechnology & Applied Microbiology; Genetics & Heredity SC Biotechnology & Applied Microbiology; Genetics & Heredity GA HJ351 UT WOS:A1992HJ35100013 ER PT J AU WISNIEWSKI, ME WILSON, CL AF WISNIEWSKI, ME WILSON, CL TI BIOLOGICAL-CONTROL OF POSTHARVEST DISEASES OF FRUITS AND VEGETABLES - RECENT ADVANCES SO HORTSCIENCE LA English DT Article ID PEACH BROWN ROT; BACILLUS-SUBTILIS; BLUE MOLD; DEBARYOMYCES-HANSENII; ENTEROBACTER-CLOACAE; CITRUS-FRUIT; GRAY MOLD; BIOCONTROL; APPLE; PATHOGENS RP WISNIEWSKI, ME (reprint author), USDA ARS,APPALACHIAN FRUIT RES STN,KEARNEYSVILLE,WV 25430, USA. NR 50 TC 181 Z9 223 U1 3 U2 15 PU AMER SOC HORTICULTURAL SCIENCE PI ALEXANDRIA PA 701 NORTH SAINT ASAPH STREET, ALEXANDRIA, VA 22314-1998 SN 0018-5345 J9 HORTSCIENCE JI Hortscience PD FEB PY 1992 VL 27 IS 2 BP 94 EP 98 PG 5 WC Horticulture SC Agriculture GA HE652 UT WOS:A1992HE65200002 ER PT J AU HARBER, RM NYCZEPIR, AP YADAVA, UL SHARPE, RR AF HARBER, RM NYCZEPIR, AP YADAVA, UL SHARPE, RR TI ROOTSTOCK, PRUNING, AND SOIL FUMIGATION IN RELATION TO DORMANCY AND COLD HARDINESS OF REDHAVEN PEACH SO HORTSCIENCE LA English DT Article DE BUDBREAK; PEACH TREE SHORT LIFE; PRUNUS-PERSICA; REST AB The effects of rootstock, pruning, and preplant soil fumigation on floral bud dormancy status and shoot cold hardiness of 'Redhaven' peach [Prunus persica (L.) Batsch] trees were monitored. Dormancy status, expressed as percent floral budbreak, was significantly affected by rootstock and pruning, although differences were small. In late January, significant interactions occurred between rootstock and pruning treatments, as well as between pruning and soil treatments. Pruning of trees on Lovell rootstock resulted in significantly lower budbreak as compared to trees on Nemaguard and unpruned trees on Lovell. Also, for trees pruned in December, higher budbreak was associated with those growing in fumigated vs. nonfumigated soil. Treatment effects on dormancy status did not correspond with treatment effects on hardiness. In fact, differences in hardiness were minimal and probably not biologically meaningful. C1 FT VALLEY STATE UNIV,AGR RES STN,FT VALLEY,GA 31030. RP HARBER, RM (reprint author), USDA ARS,SE FRUIT & TREE NUT RES LAB,POB 87,BYRON,GA 31008, USA. NR 6 TC 3 Z9 3 U1 0 U2 1 PU AMER SOC HORTICULTURAL SCIENCE PI ALEXANDRIA PA 701 NORTH SAINT ASAPH STREET, ALEXANDRIA, VA 22314-1998 SN 0018-5345 J9 HORTSCIENCE JI Hortscience PD FEB PY 1992 VL 27 IS 2 BP 99 EP 100 PG 2 WC Horticulture SC Agriculture GA HE652 UT WOS:A1992HE65200003 ER PT J AU GUPTON, CL SPIERS, JM AF GUPTON, CL SPIERS, JM TI INHERITANCE OF TOLERANCE TO MINERAL ELEMENT-INDUCED CHLOROSIS IN RABBITEYE BLUEBERRY SO HORTSCIENCE LA English DT Article DE VACCINIUM-ASHEI; BLUEBERRY BREEDING; HERITABILITY; GENETIC CORRELATIONS; DIALLEL ANALYSIS; MINERAL NUTRITION AB A study of leaf chlorosis in rabbiteye blueberries (Vaccinium ashei Reade) grown in soil containing 300 to 400 ppm diethylenetriaminepentaacetic acid (DTPA)-extracted Mn revealed no relationship between leaf Mn content and chlorosis. A second study was conducted to estimate heritability of the content of Mn, Fe, and certain other mineral elements that have been associated with leaf chlorosis and to determine the genetic relationships among shoot dry weight, visual rating, and the mineral elements in rabbiteye blueberry. Heritability estimates were high for all variables except Fe, suggesting that changes in Mn, Zn, Ca, Mg, or K contents could be expected from phenotypic recurrent selection. However, manipulation of mineral content probably would not ameliorate the Fe chlorosis. The high heritability of shoot dry weight and visual rating and the high genetic correlation between these variables suggest that plants resistant to mineral effects on Fe metabolism can be selected on the basis of visual rating. RP GUPTON, CL (reprint author), USDA ARS,SMALL FRUIT RES STN,POPLARVILLE,MS 39470, USA. NR 15 TC 3 Z9 3 U1 2 U2 4 PU AMER SOC HORTICULTURAL SCIENCE PI ALEXANDRIA PA 701 NORTH SAINT ASAPH STREET, ALEXANDRIA, VA 22314-1998 SN 0018-5345 J9 HORTSCIENCE JI Hortscience PD FEB PY 1992 VL 27 IS 2 BP 148 EP 151 PG 4 WC Horticulture SC Agriculture GA HE652 UT WOS:A1992HE65200023 ER PT J AU ELDREDGE, L BALLARD, R BAIRD, WV ABBOTT, A MORGENS, P CALLAHAN, A SCORZA, R MONET, R AF ELDREDGE, L BALLARD, R BAIRD, WV ABBOTT, A MORGENS, P CALLAHAN, A SCORZA, R MONET, R TI APPLICATION OF RFLP ANALYSIS TO GENETIC-LINKAGE MAPPING IN PEACHES SO HORTSCIENCE LA English DT Article DE PRUNUS-PERSICA; RESTRICTION FRAGMENT LENGTH POLYMORPHISM; GENOME MAPPING ID ISOZYME; TOMATO; DNA; FRAGMENTS; MARKERS; MAPS AB Peach [Prunus persica (L.) Batsch.] is considered the best genetically characterized species of the genus Prunus. We therefore used it as a model in our study of the genome organization in Prunus by means of restriction fragment length polymorphisms (RFLPs). Initial results indicated that 60% of cloned DNA sequences examined occur at low copy number within the peach genome. After selecting and examining these sequences, polymorphisms sufficient for RFLP mapping were found. We determined that almost-equal-to 33% of our cDNA clones and 20% of our genomic clones detected RFLPs among peach cultivars. Analysis of RFLP segregation in two families, both of which segregate for known morphological characters, revealed segregation in 12 RFLP markers for one family and 16 for the other. Although we have not detected linkage between RFLP and morphological markers, preliminary analyses indicate possible linkage between two RFLP markers. C1 USDA ARS,APPALACHIAN FRUIT RES STN,KEARNEYSVILLE,WV 25430. INRA,CTR RECH BORDEAUX,F-33883 VILLENAVE DORNON,FRANCE. CLEMSON UNIV,DEPT HORT SCI,CLEMSON,SC 29634. RP ELDREDGE, L (reprint author), CLEMSON UNIV,DEPT BIOL SCI,CLEMSON,SC 29634, USA. RI Baird, William/I-6442-2012 OI Baird, William/0000-0003-2395-3077 NR 20 TC 37 Z9 43 U1 0 U2 0 PU AMER SOC HORTICULTURAL SCIENCE PI ALEXANDRIA PA 701 NORTH SAINT ASAPH STREET, ALEXANDRIA, VA 22314-1998 SN 0018-5345 J9 HORTSCIENCE JI Hortscience PD FEB PY 1992 VL 27 IS 2 BP 160 EP 163 PG 4 WC Horticulture SC Agriculture GA HE652 UT WOS:A1992HE65200028 ER PT J AU SCHNELL, RJ KNIGHT, RJ AF SCHNELL, RJ KNIGHT, RJ TI FREQUENCY OF ZYGOTIC SEEDLINGS FROM 5 POLYEMBRYONIC MANGO ROOTSTOCKS SO HORTSCIENCE LA English DT Article DE POLYEMBRYONY; ISOZYMES; MANGIFERA-INDICA AB Five isozyme systems were used to detect zygotic seedlings from five polyembryonic cultivars of mango (Mangifera indica L.). Significant differences were found between cultivars (chi(2) = 35.53, P < 0.001) for the percentage of zygotic and nucellar seedlings detected. The range of variation in the percentage of off-types was from 0% in 13-1 to 64% in Golek. The percentage in Sabre was 4%, and 24% and 36% in Tupentine and Madoe, respectively. Three of eight rootstock mother trees of Turpentine were determined to be off-types. RP SCHNELL, RJ (reprint author), USDA ARS,NATL CLONAL GERMPLASM REPOSITORY,MIAMI,FL 33158, USA. NR 11 TC 16 Z9 17 U1 0 U2 0 PU AMER SOC HORTICULTURAL SCIENCE PI ALEXANDRIA PA 701 NORTH SAINT ASAPH STREET, ALEXANDRIA, VA 22314-1998 SN 0018-5345 J9 HORTSCIENCE JI Hortscience PD FEB PY 1992 VL 27 IS 2 BP 174 EP 176 PG 3 WC Horticulture SC Agriculture GA HE652 UT WOS:A1992HE65200033 ER PT J AU NELSON, SO AF NELSON, SO TI MEASUREMENT AND APPLICATIONS OF DIELECTRIC-PROPERTIES OF AGRICULTURAL PRODUCTS SO IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT LA English DT Article; Proceedings Paper CT 8TH ANNUAL CONF ON THE INSTRUMENTATION AND MEASUREMENT TECHNOLOGY ( IMTC/91 ) CY MAY 14-16, 1991 CL ATLANTA, GA SP IEEE, INSTRUMENTAT MEASUREMENT SOC, IEEE, ATLANTA SECTION ID FRESH FRUITS; CEREAL-GRAINS; DEPENDENCE; FREQUENCY; GHZ; VEGETABLES; SPECTROSCOPY; PERMITTIVITY; INSECTS; DOMAIN AB The dependence of the dielectric properties of materials on other variables is discussed as it relates to agricultural products. Measurement techniques for determining dielectric properties of such materials are reviewed briefly, and graphical data are presented to illustrate the dependence of dielectric properties of some products on frequency, moisture content, temperature, and density. Several agricultural applications in which dielectric properties information is useful are discussed. RP NELSON, SO (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,ATHENS,GA 30613, USA. NR 47 TC 37 Z9 37 U1 0 U2 8 PU IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017-2394 SN 0018-9456 J9 IEEE T INSTRUM MEAS JI IEEE Trans. Instrum. Meas. PD FEB PY 1992 VL 41 IS 1 BP 116 EP 122 DI 10.1109/19.126644 PG 7 WC Engineering, Electrical & Electronic; Instruments & Instrumentation SC Engineering; Instruments & Instrumentation GA HK154 UT WOS:A1992HK15400025 ER PT J AU GORDON, VM WHIPP, SC MOON, HW OBRIEN, AD SAMUEL, JE AF GORDON, VM WHIPP, SC MOON, HW OBRIEN, AD SAMUEL, JE TI AN ENZYMATIC MUTANT OF SHIGA-LIKE TOXIN-II VARIANT IS A VACCINE CANDIDATE FOR EDEMA DISEASE OF SWINE SO INFECTION AND IMMUNITY LA English DT Article ID ESCHERICHIA-COLI; A-CHAIN; GLUTAMIC ACID-177; RIBOSOMES; INACTIVATION; INFECTION; PROTEINS; SITE AB Edema disease (ED) of weanling pigs is caused by an infection with Escherichia coli that produces Shiga-like toxin II variant (SLT-IIv). Pathology identical to that caused by ED can be duplicated in pigs that are injected with < 10 ng of purified SLT-IIv per kg of body weight. Therefore, SLT-IIv was mutated to create an immunoreactive form of the toxin that was significantly reduced in enzymatic activity. Initially, purified SLT-IIv was treated with formaldehyde which abrogated cytotoxic activity. Pigs were vaccinated with the toxoid (100-mu-g) to determine whether a toxoid was a viable vaccine candidate and whether young pigs were capable of mounting an immune response. Although the pigs developed a neutralizing antibody titer (1:128 to 1:512) 28 days postinjection, they also lost weight and developed ED lesions. The deleterious effect of the toxoid appeared to result from residual enzymatic activity or a reversion to a toxic form. An alternative method, site-directed mutagenesis, was employed to consistently reduce the enzymatic activity of SLT-IIv. Glutamate at Position 167 of the mature A subunit was replaced by aspartate (E167D), and arginine at position 170 was replaced by lysine (R170K). These mutations reduced cytotoxic activity 10(4)-fold and 10-fold, respectively, while the enzymatic activities were decreased 400-fold and 5-fold, respectively. The activity of a toxin that contained both mutations (SLT-IIvE167D/R170K) closely resembled that of SLT-IIvE167D. When position 167 was replaced by glutamine (E167Q), the cytotoxic activity decreased 10(6)-fold and the enzymatic activity decreased approximately 1,500-fold. Pigs that were vaccinated with purified, mutant toxin designated SLT-IIvE167Q developed a neutralizing antibody titer of 1:512 21 days postinjection, and their tissues were free of ED lesions. These data suggest that SLT-IIvE167Q may represent an effective vaccine against ED. C1 MICROCARB INC,PARKVIEW BLDG,SUITE 100,300 PROFESS DR,GAITHERSBURG,MD 20879. UNIFORMED SERV UNIV HLTH SCI,HLTH SCI,DEPT MICROBIOL,BETHESDA,MD. USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. FU NIAID NIH HHS [5T32-AIO7308-02] NR 25 TC 51 Z9 57 U1 0 U2 1 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0019-9567 J9 INFECT IMMUN JI Infect. Immun. PD FEB PY 1992 VL 60 IS 2 BP 485 EP 490 PG 6 WC Immunology; Infectious Diseases SC Immunology; Infectious Diseases GA HA564 UT WOS:A1992HA56400023 PM 1730480 ER PT J AU JACKSON, TJ SCHMUGGE, TJ PARRY, R KUSTAS, WP RITCHIE, JC SHUTKO, AM HALDIN, A REUTOV, E NOVICHIKHIN, E LIBERMAN, B SHIUE, JC DAVIS, MR GOODRICH, DC AMER, SB BACH, LB AF JACKSON, TJ SCHMUGGE, TJ PARRY, R KUSTAS, WP RITCHIE, JC SHUTKO, AM HALDIN, A REUTOV, E NOVICHIKHIN, E LIBERMAN, B SHIUE, JC DAVIS, MR GOODRICH, DC AMER, SB BACH, LB TI MULTIFREQUENCY PASSIVE MICROWAVE OBSERVATIONS OF SOIL-MOISTURE IN AN ARID RANGELAND ENVIRONMENT SO INTERNATIONAL JOURNAL OF REMOTE SENSING LA English DT Article AB A cooperative experiment was conducted by teams from the U.S. and U.S.S.R. to evaluate passive microwave instruments and algorithms used to estimate surface soil moisture. Experiments were conducted as part of an interdisciplinary experiment in an arid rangeland watershed located in the southwest United States. Soviet microwave radiometers operating at wavelengths of 2.25, 21 and 27 cm were flown on a U.S. aircraft. Radio frequency interference limited usable data to the 2.25 and 21 cm systems. Data have been calibrated and compared to ground observations of soil moisture. These analyses showed that the 21 cm system could produce reliable and useful soil moisture information and that the 2.25 cm system was of no value for soil moisture estimation in this experiment. C1 ACAD SCI USSR,INST RADIOENGN & ELECTR,MOSCOW V-71,USSR. NASA,GODDARD SPACE FLIGHT CTR,GREENBELT,MD 20771. USDA ARS,ARIDLAND WATERSHED MANAGEMENT RES UNIT,TUCSON,AZ. RP JACKSON, TJ (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,HYDROL LAB,BELTSVILLE,MD 20705, USA. RI Goodrich, David/B-1763-2009 OI Goodrich, David/0000-0001-7735-1448 NR 7 TC 9 Z9 9 U1 0 U2 2 PU TAYLOR & FRANCIS LTD PI LONDON PA ONE GUNDPOWDER SQUARE, LONDON, ENGLAND EC4A 3DE SN 0143-1161 J9 INT J REMOTE SENS JI Int. J. Remote Sens. PD FEB PY 1992 VL 13 IS 3 BP 573 EP 580 PG 8 WC Remote Sensing; Imaging Science & Photographic Technology SC Remote Sensing; Imaging Science & Photographic Technology GA HF722 UT WOS:A1992HF72200014 ER PT J AU MOORMAN, TB BECERRIL, JM LYDON, J DUKE, SO AF MOORMAN, TB BECERRIL, JM LYDON, J DUKE, SO TI PRODUCTION OF HYDROXYBENZOIC ACIDS BY BRADYRHIZOBIUM-JAPONICUM STRAINS AFTER TREATMENT WITH GLYPHOSATE SO JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY LA English DT Article ID SHIKIMATE PATHWAY; N-PHOSPHONOMETHYLGLYCINE; RHIZOBIUM-JAPONICUM; PLANTS; METABOLISM; BIOSYNTHESIS; INHIBITION; HERBICIDES; TOLERANCE; EXUDATION AB Glyphosate [N-(phosphonomethyl)glycine] effects on the growth and metabolism of the nitrogen-fixing soybean (Glycine max) symbiont Bradyrhizobium japonicum were investigated. In higher plants glyphosate inhibits the shikimic acid pathway, causing accumulations of shikimic acid and certain benzoic acids, such as protocatechuic (PCA) and gallic acid. We sought to determine whether glyphosate also causes the accumulation of shikimic acid-derived benzoic acids in B. japonicum. Three strains (USDA 110, 123, and 138) were grown in defined media lacking aromatic amino acids. Glyphosate at concentrations of 0.5 and 1 mM was inhibitory but not lethal. Cell death occurred in response to 5 mM glyphosate, and rapid death was observed at 10 mM. Accumulations of 1 mM PCA were observed in the culture media of strains 123 and 138. Only trace amounts of PCA accumulated in untreated controls or in strain 110 cultures. All strains were able to metabolize PCA in the absence of glyphosate. The high levels of PCA produced by B. japonicum strains may alter the symbiotic interactions between this bacterium and glyphosate-resistant varieties of soybean. C1 UNIV BASQUE COUNTRY, EH, DEPT FISIOL VEGETAL & ECOL, E-48080 BILBAO, SPAIN. USDA ARS, BELTSVILLE AGR RES CTR, WEED SCI LAB, BELTSVILLE, MD 20705 USA. USDA ARS, SO WEED SCI LAB, STONEVILLE, MS 38776 USA. RI BECERRIL, JOSE/H-1560-2015 OI BECERRIL, JOSE/0000-0001-6216-3508 NR 33 TC 50 Z9 58 U1 1 U2 8 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0021-8561 J9 J AGR FOOD CHEM JI J. Agric. Food Chem. PD FEB PY 1992 VL 40 IS 2 BP 289 EP 293 DI 10.1021/jf00014a025 PG 5 WC Agriculture, Multidisciplinary; Chemistry, Applied; Food Science & Technology SC Agriculture; Chemistry; Food Science & Technology GA HE713 UT WOS:A1992HE71300025 ER PT J AU VANVLECK, LD HAKIM, AF CUNDIFF, LV KOCH, RM CROUSE, JD BOLDMAN, KG AF VANVLECK, LD HAKIM, AF CUNDIFF, LV KOCH, RM CROUSE, JD BOLDMAN, KG TI ESTIMATED BREEDING VALUES FOR MEAT CHARACTERISTICS OF CROSSBRED CATTLE WITH AN ANIMAL-MODEL SO JOURNAL OF ANIMAL SCIENCE LA English DT Article DE BEEF CATTLE; GENETIC EVALUATION; BREED DIFFERENCES; CROSSBREEDING; MEAT CHARACTERISTICS ID RESTRICTED MAXIMUM-LIKELIHOOD; ESTIMATING VARIANCE-COMPONENTS; BIOLOGICAL TYPES; PREDICTION; PALATABILITY; INVERSE; MATRIX AB Longissimus muscle area, shear force measure, and sensory panel scores for flavor, juiciness, and tenderness, and marbling score were obtained from 682 steer carcasses, resulting from crosses among five Bos taurus and Bos indicus breeds. The single-trait model used included birth year and as covariates breed fractions, weaning age, and days on feed. The numerator relationship matrix was for 1,350 animals (682 steers, 74 pure breed and 52 F1-cross sires and 542 dams). The coefficient matrix was inverted to examine standard errors of prediction. Estimated breeding value is the sum of the estimate of genetic deviation and the weighted (fractions) sum of estimates of breed effects. Heritabilities used in estimating breeding values were .62, .06, .05, .11, .05, and .48 for longissimus muscle area, shear force, flavor, juiciness, tenderness, and marbling score. Sires within a breed or crossbred group tended to rank similarly due to large differences among breed effects (e.g., the six Sahiwal sires ranked in the highest six places for shear force). These results illustrate that for traits with large breed differences, selection of the proper breed should be done before selection within that breed. C1 UNIV NEBRASKA, DEPT ANIM SCI, LINCOLN, NE 68583 USA. RP VANVLECK, LD (reprint author), USDA ARS, ROMAN L HRUSKA US MEAT ANIM RES CTR, CLAY CTR, NE 68933 USA. NR 27 TC 37 Z9 38 U1 0 U2 2 PU AMER SOC ANIMAL SCIENCE PI CHAMPAIGN PA PO BOX 7410, CHAMPAIGN, IL 61826-7410 USA SN 0021-8812 EI 1525-3163 J9 J ANIM SCI JI J. Anim. Sci. PD FEB PY 1992 VL 70 IS 2 BP 363 EP 371 PG 9 WC Agriculture, Dairy & Animal Science SC Agriculture GA HC230 UT WOS:A1992HC23000007 PM 1548197 ER PT J AU FERRELL, CL REYNOLDS, LP AF FERRELL, CL REYNOLDS, LP TI UTERINE AND UMBILICAL BLOOD FLOWS AND NET NUTRIENT-UPTAKE BY FETUSES AND UTEROPLACENTAL TISSUES OF COWS GRAVID WITH EITHER SINGLE OR TWIN FETUSES SO JOURNAL OF ANIMAL SCIENCE LA English DT Article DE UTERINE TISSUE; PERFUSION; NUTRIENT UPTAKE; LACTIC ACID; CATTLE BREEDS; TWINS ID BOVINE UTERUS; CALF SURVIVAL; GESTATION; PLACENTA; CATTLE; GROWTH AB To evaluate the influence of cow breed and number of fetuses on uterine and umbilical blood flows and nutrient fluxes or uterine tissues from gravid cows, surgery was performed on Charolais or Hereford cows with single or twin fetuses at 177 +/- .2 d (mean +/- SEM) after mating. Indwelling catheters were placed in a fetal femoral artery and vein, in an umbilical vein of each fetus, and in a uterine artery and vein of each gravid horn. Deuterium oxide (D2O) was infused into a fetal femoral vein at 183 +/- .3 and 190 +/- .5 d after mating to estimate uterine and umbilical blood flows (liters/minute). Blood oxygen and plasma glucose and lactate concentrations were determined and uterine arterio-venous (A-V) and umbilical venous-fetal arterial (v-a) differences and net uterine and fetal uptakes were calculated. Net utilization by the uteroplacenta was calculated as the difference between uterine and fetal net uptakes. Uterine blood flows were lower (P < .01) in Hereford (4.80 +/- .28) than in Charolais (7.07 +/- .33) and lower (P < .01) per fetus in cows with twin fetuses (5.22 +/- .34) than in cows with a single (6.65 +/- .28) fetus. Umbilical blood flows were greater for single than for twin fetuses. Fetal oxygen and glucose net uptakes averaged 57 and 12%, respectively, of net uteroplacental utilization. Lactate was released from uteroplacental tissues to fetal (42%) and maternal circulations (58%). Fetal oxygen uptakes tended to be less for twin fetuses (P = .08) than for a single fetus. Glucose uptakes were least for twin fetuses in Hereford cows and greatest for twin fetuses in Charolais cows. Fetal lactate uptake was similar in Hereford cows with single fetuses and Charolais cows with twin fetuses but greater in the other groups. We suggest from these data that birth weight of twin fetuses is reduced relative to that of single fetuses, in part, as a result of reduced blood flow per fetus perfusing the uteroplacenta. C1 N DAKOTA STATE UNIV,DEPT ANIM & RANGE SCI,FARGO,ND 58105. RP FERRELL, CL (reprint author), USDA ARS,ROMAN L HRUSKA US MEAT ANIM RES CTR,CLAY CTR,NE 68933, USA. RI Reynolds, Lawrence/I-5267-2015 OI Reynolds, Lawrence/0000-0002-6838-7809 NR 30 TC 23 Z9 24 U1 0 U2 1 PU AMER SOC ANIMAL SCIENCE PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0021-8812 J9 J ANIM SCI JI J. Anim. Sci. PD FEB PY 1992 VL 70 IS 2 BP 426 EP 433 PG 8 WC Agriculture, Dairy & Animal Science SC Agriculture GA HC230 UT WOS:A1992HC23000014 PM 1548204 ER PT J AU YEN, JT NIENABER, JA AF YEN, JT NIENABER, JA TI INFLUENCE OF CARBADOX ON FASTING OXYGEN-CONSUMPTION BY PORTAL VEIN-DRAINED ORGANS AND BY THE WHOLE ANIMAL IN GROWING PIGS SO JOURNAL OF ANIMAL SCIENCE LA English DT Article DE PIGS; GROWTH PROMOTERS; OXYGEN CONSUMPTION ID YOUNG-PIGS; GASTROINTESTINAL-TRACT; SWINE; CALORIMETER; PERFORMANCE; METABOLISM; GROWTH AB Fasting O2 consumption by the whole animal (W) and by portal vein-drained organs (PVDO) during the 24- to 30-h postprandial period were measured in seven growing pigs (36.1 +/- 2.3 kg) with catheters chronically placed in the hepatic portal vein, ileal vein, and carotid artery trained to consume 1.2 kg of a 16% CP corn-soybean meal basal diet (B) once daily. The pigs were placed individually into an open-circuit, indirect calorimeter and connected to an arteriovenous (A.V) O2 difference analyzer for hourly simultaneous measurements of O2 consumption by W and PVDO. The PVDO O2 consumption was calculated by multiplying the A-V O2 difference by the portal vein blood flow rate derived from constant infusion of a p-aminohippuric acid solution into the ileal vein. After the initial series of hourly measurements, four pigs remained on the B diet and three pigs were fed a B + 55 ppm carbadox diet. Seven days later, the second series of measurements was made. In pigs fed the diet with carbadox added, the hourly W O2 consumptions were not different (P > .05) between the initial and second series and averaged 7.5 mL.min-1.kg of BW-1. However, the A-V O2 differences (mL/dL) were reduced (P < .05) from 4.6 to 4.0 at 24 h, 4.8 to 4.0 at 25 h, and 4.6 to 4.0 at 29 h postprandial and the fractions of W O2 consumption used by PVDO (percentage) were reduced (P < .05) from 26.6 to 21.6 at 26 h and 25.2 to 18.2 at 27 h postprandial. These results suggest that the growth-promoting effect of carbadox, a synthetic antimicrobial agent, in growing pigs may be associated with reduced oxidative demand by the PVDO, which includes digestive tract, pancreas, and spleen. RP YEN, JT (reprint author), USDA ARS,ROMAN L HRUSKA US MEAT ANIM RES CTR,CLAY CTR,NE 68933, USA. NR 16 TC 15 Z9 15 U1 0 U2 2 PU AMER SOC ANIMAL SCIENCE PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0021-8812 J9 J ANIM SCI JI J. Anim. Sci. PD FEB PY 1992 VL 70 IS 2 BP 478 EP 483 PG 6 WC Agriculture, Dairy & Animal Science SC Agriculture GA HC230 UT WOS:A1992HC23000021 PM 1548210 ER PT J AU CHRISTENSON, LK SHORT, RE ROSAZZA, JP FORD, SP AF CHRISTENSON, LK SHORT, RE ROSAZZA, JP FORD, SP TI SPECIFIC EFFECTS OF BLOOD-PLASMA FROM BEEF-COWS FED PINE NEEDLES DURING LATE PREGNANCY ON INCREASING TONE OF CARUNCULAR ARTERIES INVITRO SO JOURNAL OF ANIMAL SCIENCE LA English DT Article DE BEEF COWS; PINE NEEDLES; CARUNCULAR ARTERY; PARTURITION ID 4-HYDROXYLATED ESTRADIOL; RANGE CATTLE; ABORTION; CHANNELS AB Consumption of Ponderosa pine needles by cows during late pregnancy results in the premature delivery of viable calves. Previous observations made at necropsy suggested that vascular insufficiency in the caruncular bed was associated with this induced parturition. The present studies used the perfused caruncular arterial bed of an isolated bovine placentome to determine whether blood plasma collected from cows fed pine needles contained a vasoactive factor(s). Changes in caruncular arterial tone (i.e., long-term changes in vessel diameter) and phasic contractility (i.e., transient reductions in vessel diameter) were evaluated. Tone was quantified as the pressure exerted against a constant intraluminal flow and as the force of contraction during K+- stimulated depolarization of membranes. Phenylephrine, an alpha-1-adrenergic agonist, was used to stimulate a phasic contractile response. Jugular blood was collected from beef cows fed pine needles (n = 4) or a control diet (n = 4), during the last 3 d of gestation, and plasma was used for two studies. In Study 1, placentomes were perfused with decreasing dilutions (1:150 to 1:40) of plasma pooled over the last 3 d of pregnancy from cows fed pine needle or control diets. Caruncular arterial perfusion pressures and responses to K+ progressively increased (P < .05) with decreasing dilutions of plasma from cows fed pine needles, and responses to phenylephrine remained constant. Caruncular arterial perfusion pressures and responses to K+ and phenylephrine remained constant during perfusion of plasma from cows fed the control diet. In Study 2, the changes in vasoactivity of plasma (1:60 dilution) from cows fed pine needles was evaluated during the last 3 d of pregnancy. Results demonstrated that the tone-generating activity (i.e., elevations in perfusion pressure and response to K+) of plasma increased from the day of first blood collection (d -2) to the day of pine needle-induced premature parturition. These data demonstrate the presence of a tone-generating component in plasma from cows fed pine needles, which may function to reduce blood flow to the gravid uterus. C1 IOWA STATE UNIV SCI & TECHNOL,DEPT ANIM SCI,11 KILDEE HALL,AMES,IA 50011. USDA ARS,FT KEOGH LIVESTOCK & RANGE RES LAB,MILES CITY,MT 59301. UNIV IOWA,DEPT MED CHEM,IOWA CITY,IA 52240. RI Christenson, Lane/G-6435-2013 NR 24 TC 15 Z9 15 U1 0 U2 1 PU AMER SOC ANIMAL SCIENCE PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0021-8812 J9 J ANIM SCI JI J. Anim. Sci. PD FEB PY 1992 VL 70 IS 2 BP 525 EP 530 PG 6 WC Agriculture, Dairy & Animal Science SC Agriculture GA HC230 UT WOS:A1992HC23000028 PM 1548216 ER PT J AU CHRISTENSON, LK SHORT, RE FORD, SP AF CHRISTENSON, LK SHORT, RE FORD, SP TI EFFECTS OF INGESTION OF PONDEROSA PINE NEEDLES BY LATE-PREGNANT COWS ON UTERINE BLOOD-FLOW AND STEROID-SECRETION SO JOURNAL OF ANIMAL SCIENCE LA English DT Article DE PINE NEEDLES; PARTURITION; UTERUS; BLOOD FLOW; COWS ID RETAINING FETAL MEMBRANES; GRAVID BOVINE UTERUS; INDUCED PARTURITION; NUTRIENT-UPTAKE; RANGE CATTLE; PLASMA; ESTROGENS; PROGESTERONE; ABORTION; SHEEP AB Consumption of Ponderosa pine needles by late-pregnant beef cows results in the premature delivery of a viable calf. We have demonstrated the presence of a factor(s) in plasma from cows fed pine needles that specifically increased uterine arterial tone (i.e., decreased arterial diameter) in vitro. This study was designed to investigate changes in uterine blood flow and steroid secretion/uptake by the gravid uterus of cows fed pine needles to induce premature parturition. Sixteen beef cows were laparotomized on d 240 of gestation, and an electromagnetic blood-flow probe was placed around the uterine artery supplying the gravid horn. Cows were randomly assigned on d 250 of gestation to a control (n = 8; 8.2 kg/d of alfalfa hay) or pine needle (n = 8; 2.7 kg/d of pine needles + 5.5 kg/d of alfalfa hay) diet. Uterine blood flow was monitored, and systemic blood (uterine arterial and(or) jugular venous) and uterine venous blood samples were collected daily between 0630 and 0800, just before feeding. Five of eight cows fed pine needles calved prematurely (average day of gestation = 260.2 +/- .6) compared with cows fed the control diet, which calved on 287.6 +/- 3.4 d of gestation. Uterine blood flow in the control cows remained constant from d 250 through the day of parturition. In contrast, uterine blood flow of cows fed pine needles that calved early decreased progressively (P < .01), declining to 25.2% of its original value by the day of parturition. Cows fed the pine needle-diet and cows fed the control diet exhibited similar declines in progesterone concentrations in systemic blood and uterine venous blood during the last 4 d of pregnancy. Although estrone and estradiol-17-beta both increased during the last 9 d preceding parturition in both cows fed the control diet and those fed the pine needle diet, cows fed pine needles exhibited reduced (P < .002) concentrations of both estrogens in both systemic and uterine venous blood. We conclude that consumption of pine needles progressively reduces uterine blood flow to the gravid horn and that this reduction induces the onset of a premature parturition as evidenced by normal prepartum changes in steroid secretion. C1 IOWA STATE UNIV SCI & TECHNOL,DEPT ANIM SCI,11 KILDEE HALL,AMES,IA 50011. USDA ARS,FT KEOGH LIVESTOCK & RANGE RES LAB,MILES CITY,MT 59301. RI Christenson, Lane/G-6435-2013 NR 35 TC 22 Z9 22 U1 0 U2 0 PU AMER SOC ANIMAL SCIENCE PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0021-8812 J9 J ANIM SCI JI J. Anim. Sci. PD FEB PY 1992 VL 70 IS 2 BP 531 EP 537 PG 7 WC Agriculture, Dairy & Animal Science SC Agriculture GA HC230 UT WOS:A1992HC23000029 PM 1548217 ER PT J AU HEDIN, PA JENKINS, JN PARROTT, WL AF HEDIN, PA JENKINS, JN PARROTT, WL TI EVALUATION OF FLAVONOIDS IN GOSSYPIUM-ARBOREUM (L) COTTONS AS POTENTIAL SOURCE OF RESISTANCE TO TOBACCO BUDWORM SO JOURNAL OF CHEMICAL ECOLOGY LA English DT Article DE COTTON; GOSSYPIUM-ARBOREUM; TOBACCO BUDWORM; HELIOTHIS-VIRESCENS; LEPIDOPTERA; NOCTUIDAE; RESISTANCE; ALLELOCHEMICALS; FLAVONOIDS; GOSSYPETIN 8-0-RHAMNOSIDE; GOSSYPETIN 8-0-GLUCOSIDE ID LEPIDOPTERA; NOCTUIDAE AB Asiatic cottons [Gossypium arboreum (L.)] have been investigated as a source of resistance to the tobacco budworm [Heliothis virescens (Fab.)] because their diversely colored petals have been presumed to contain various allelochemicals. However, we found that larvae fed G. arboreum squares (buds) grew about equally compared with those fed squares from commercial G. hirsutum lines. The best source of resistance was found in several G. hirsutum double-haploid (DH) lines. In our investigation of allelochemicals, G. arboreum lines were found to contain much less gossypol in leaves, squares (buds), and petals than G. hirsutum L. lines. Flavonoids were significantly higher in G. arboreum lines only in petals. Of 22 G. arboreum lines from which squares were gathered and fed to tobacco budworm (TBW) larvae in the laboratory, larval growth was not significantly decreased on any, but larval survival was decreased on six. When the square flavonoids were isolated and incorporated in laboratory diets for the TBW, moderate toxicity was observed. However, the estimated toxicities were not greater than those of the same flavonoid isolates from G. hirsutum lines. The most prevalent flavonoids, all previously found in G. arboreum plant tissues, were gossypetin 8-0-glucoside and gossypetin 8-0-rhamnoside, neither of which were present in G. hirsutum tissue. Quercetin 3-0-glucoside, quercetin-3'-0-glucoside, and quercetin 7-0-glucoside were also present in significant amounts in both species. Gossypetin 8-0-rhamnoside and gossypetin 8-0-glucoside were the most toxic flavonoids tested (the ED50% was estimated to be 0.007 and 0.024) and therefore may prove to be contributing factors of resistance to TBW feeding. RP HEDIN, PA (reprint author), USDA ARS,CROP SCI RES LAB,MISSISSIPPI STATE,MS 39762, USA. NR 19 TC 26 Z9 32 U1 1 U2 9 PU PLENUM PUBL CORP PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 SN 0098-0331 J9 J CHEM ECOL JI J. Chem. Ecol. PD FEB PY 1992 VL 18 IS 2 BP 105 EP 114 DI 10.1007/BF00993746 PG 10 WC Biochemistry & Molecular Biology; Ecology SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology GA HD982 UT WOS:A1992HD98200002 PM 24254902 ER PT J AU KWOK, OCH PLATTNER, R WEISLEDER, D WICKLOW, DT AF KWOK, OCH PLATTNER, R WEISLEDER, D WICKLOW, DT TI A NEMATOCIDAL TOXIN FROM PLEUROTUS-OSTREATUS NRRL-3526 SO JOURNAL OF CHEMICAL ECOLOGY LA English DT Article DE TRANS-2-DECENEDIOIC ACID; PLEUROTUS-OSTREATUS; FUNGUS; NEMATOTOXIN; PANAGRELLUS-REDIVIVUS; FATTY ACIDS; OSTREATIN; DICARBOXYLIC ACIDS; NATURAL NEMATICIDES; NEMATODA; PENAGRELLUS-REDIVIVUS ID FATTY-ACIDS; FUNGI; MUSHROOMS AB A nematicidal toxin was purified from Pleurotus ostreatus NRRL 3526 grown on moistened, autoclaved wheat straw for 30 days at room temperature (21-33-degrees-C). The active compound, at a concentration of 300 ppm, immobilized 95% of test nematodes (Panagrellus redivivus) within 1 hr. Immobilized nematodes did not recover, even after being rinsed with deionized water. The toxin was identified as trans-2-decenedioic acid. C1 USDA ARS,NATL CTR AGR UTILIZAT RES,MIDWEST AREA,1815 N UNIV ST,PEORIA,IL 61604. NR 19 TC 33 Z9 46 U1 2 U2 7 PU PLENUM PUBL CORP PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 SN 0098-0331 J9 J CHEM ECOL JI J. Chem. Ecol. PD FEB PY 1992 VL 18 IS 2 BP 127 EP 136 DI 10.1007/BF00993748 PG 10 WC Biochemistry & Molecular Biology; Ecology SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology GA HD982 UT WOS:A1992HD98200004 PM 24254904 ER PT J AU PANGILINAN, NC IVIE, GW CLEMENT, BA BEIER, RC UWAYJAN, M AF PANGILINAN, NC IVIE, GW CLEMENT, BA BEIER, RC UWAYJAN, M TI FATE OF [C-14] XANTHOTOXIN (8-METHOXYPSORALEN) IN LAYING HENS AND A LACTATING GOAT SO JOURNAL OF CHEMICAL ECOLOGY LA English DT Article DE XANTHOTOXIN; 8-METHOXYPSORALEN; FURANOCOUMARIN; METABOLISM; DETOXIFICATION; CHICKEN; GOAT; EGG; MILK C-14 RADIOLABEL ID TISSUE DISTRIBUTION; PSORALENS; CELERY; PHOTOCHEMOTHERAPY; IDENTIFICATION; METABOLISM; MECHANISM; PSORIASIS; STORAGE; PLANTS AB The metabolism of xanthotoxin, a naturally occurring furanocoumarin photosensitizer, was studied in laying hens and a lactating goat treated with single oral doses equivalent to 10 mg xanthotoxin/kg of body weight. Within 48 h, essentially all of the administered radiocarbon was eliminated in the excreta of the laying hens, while in the goat 92% and 3% were excreted in the urine and feces, respectively. Radiocarbon residues in the milk, egg white, and egg yolk were low. Xanthotoxin, 8-hydroxypsoralen (xanthotoxol), 6-(7-hydroxy-8-methoxycoumaryl)-acetic acid (HCA) and 6-(7-hydroxy-8-methoxycoumaryl)-hydroxyacetic acid (HCHA) were identified in the excreta of laying hens. In the goat, xanthotoxin was metabolized to HCA, HCHA, xanthotoxol, 5,8-dihydroxypsoralen, psoralenquinone, 5-hydroxy-8-methoxypsoralen and 3[5-(6-hydroxy-7-methoxybenzofuryl)]-propanoic acid. Thus, identified metabolites in one or both of these species arose through O-demethylation, oxidative cleavage of the furan ring, hydroxylation, reduction, oxidation, and hydrolysis of the lactone ring. C1 USDA ARS,FOOD ANIM PROTECT RES LAB,COLLEGE STN,TX 77845. TEXAS A&M UNIV SYST,COLL VET MED,COLLEGE STN,TX 77843. AMER UNIV BEIRUT,BEIRUT,LEBANON. NR 31 TC 2 Z9 2 U1 0 U2 1 PU PLENUM PUBL CORP PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 SN 0098-0331 J9 J CHEM ECOL JI J. Chem. Ecol. PD FEB PY 1992 VL 18 IS 2 BP 253 EP 270 DI 10.1007/BF00993757 PG 18 WC Biochemistry & Molecular Biology; Ecology SC Biochemistry & Molecular Biology; Environmental Sciences & Ecology GA HD982 UT WOS:A1992HD98200013 PM 24254913 ER PT J AU DALGLEISH, DG AF DALGLEISH, DG TI SEDIMENTATION OF CASEIN MICELLES DURING THE STORAGE OF ULTRA-HIGH TEMPERATURE MILK-PRODUCTS - A CALCULATION SO JOURNAL OF DAIRY SCIENCE LA English DT Article DE ULTRA-HIGH TEMPERATURE; SEDIMENTATION; CASEIN MICELLE; COAGULATION ID BOVINE-MILK; SIZE DISTRIBUTION; AGE GELATION; HEATED MILK; UHT-MILK AB Calculations have been made on the tendency of casein micelles in stored milk to sediment under the force of gravity in the absence of stirring effects such as convection or mechanical agitation. The calculations show that even native micelles have a tendency to sediment during several months of storage and to produce a small layer of sedimented material; the effect of diffusion is insufficient to compensate for this sedimenting tendency. Sedimentation is especially pronounced in concentrated milks. The effect of even small increases in the molecular weight of the casein micelles is to increase the sedimentation rate significantly. Possible consequences of the formation of sediment in this way are discussed. C1 UTAH STATE UNIV,DEPT NUTR & FOOD SCI,USDA ARS,LOGAN,UT 84322. NR 15 TC 6 Z9 6 U1 1 U2 7 PU AMER DAIRY SCIENCE ASSOC PI CHAMPAIGN PA 309 W CLARK ST, CHAMPAIGN, IL 61820 SN 0022-0302 J9 J DAIRY SCI JI J. Dairy Sci. PD FEB PY 1992 VL 75 IS 2 BP 371 EP 379 PG 9 WC Agriculture, Dairy & Animal Science; Food Science & Technology SC Agriculture; Food Science & Technology GA HC892 UT WOS:A1992HC89200001 ER PT J AU BITMAN, J WOOD, DL CAPUCO, AV AF BITMAN, J WOOD, DL CAPUCO, AV TI CHANGES IN THE LIPID-COMPOSITION OF THE SECRETIONS OF THE BOVINE MAMMARY-GLAND DURING THE DRY PERIOD SO JOURNAL OF DAIRY SCIENCE LA English DT Article DE INVOLUTION; FATTY ACIDS; LIPID CLASSES; PHOSPHOLIPIDS ID THIN-LAYER CHROMATOGRAPHY; SOMATIC-CELL COUNTS; NONLACTATING PERIOD; POSTPARTUM MILK; PRETERM INFANTS; BREAST-MILK; FATTY-ACID; LACTATION; GOAT; INVOLUTION AB To study initiation of milk fat synthesis, lipid composition of mammary secretions at -60, -40, and -10 d prepartum was studied in lactating and nonlactating Holstein cows. Eleven cows were dried off, and 13 cows were milked twice per day throughout the normal dry period. Total neutral lipid was similar in late lactation milk (-60 d) from lactating cows, 2.1 g/dl, and in milk from the dry group, 2.2 g/dl. Neutral lipids decreased to 1.3 and .9 g/dl in quarters from dry cows at -40 and -10 d prepartum. In secretions from dry quarters, triglycerides were 97% of total lipids at -60 d and decreased to 85 and 91% at -40 and -10 d, respectively. Conversely, FFA and monoglycerides increased during the dry period. Lipids associated with fat globule membrane components increased during die dry period. These increases were 10 times for cholesterol, 20 times for cholesteryl esters, and twice for phospholipids. In general, the content of fat globule core lipids (triglycerides) exhibited a pattern opposite that of membrane lipids (cholesterol, cholesteryl esters, phospholipids) during the prepartum period. Proportions of core lipids tended to decrease, whereas proportions of membrane lipids increased in prepartum mammary secretions. Lipid composition of prepartum secretions may be influenced by blood lipids, somatic cells, and alterations in mammary lipid synthesis. RP BITMAN, J (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,MILK SECRET & MASTITIS LAB,BELTSVILLE,MD 20705, USA. NR 31 TC 9 Z9 9 U1 1 U2 2 PU AMER DAIRY SCIENCE ASSOC PI CHAMPAIGN PA 309 W CLARK ST, CHAMPAIGN, IL 61820 SN 0022-0302 J9 J DAIRY SCI JI J. Dairy Sci. PD FEB PY 1992 VL 75 IS 2 BP 435 EP 442 PG 8 WC Agriculture, Dairy & Animal Science; Food Science & Technology SC Agriculture; Food Science & Technology GA HC892 UT WOS:A1992HC89200009 PM 1560138 ER PT J AU MISZTAL, I LAWLOR, TJ SHORT, TH VANRADEN, PM AF MISZTAL, I LAWLOR, TJ SHORT, TH VANRADEN, PM TI MULTIPLE-TRAIT ESTIMATION OF VARIANCE-COMPONENTS OF YIELD AND TYPE TRAITS USING AN ANIMAL-MODEL SO JOURNAL OF DAIRY SCIENCE LA English DT Article DE RESTRICTED MAXIMUM LIKELIHOOD; MULTIVARIATE ANALYSIS; ANIMAL MODEL ID FUNCTIONAL TYPE TRAITS; LINEAR TYPE TRAITS; MAXIMUM-LIKELIHOOD; MILK-YIELD; INHERITANCE; CATTLE AB Genetic relationships between yield and type traits were investigated using multiple-trait REML procedures with an animal model. Computing strategies were developed to deal with large populations and numbers of traits. Data consisted of records for 3 production and 15 type traits for 20,836 primiparous cows from 1982 to 1988. The model included 2358 herd management effects, 28,749 animal effects, and 23 groups for unknown parents. (Co)variance components were estimated using a canonical transformation with an accelerated expectation-maximization REML algorithm. Direct inversion of the coefficient matrix and solution to die transformed single-trait equations were by a sparse matrix solver. Heritabilities for milk, fat, and protein yield were .44, .42, and .40, respectively. Heritabilities for type traits ranged from .10 to .42; the largest was for stature. Dairy form had the largest genetic correlations with yield traits, which ranged from .59 with milk to .68 with fat. Genetic correlations between all yield and most type traits were positive (from .01 to .68); exceptions were fore udder attachment, udder depth, and front teat placement (-.01 to -.44). Selection solely for increased milk yield would cause some udder characteristics to deteriorate. Restricted selection for milk yield while holding udder traits constant would decrease response in milk yield by 15%. C1 HOLSTEIN FRIESIAN ASSOC AMER,BRATTLEBORO,VT 05301. USDA ARS,BELTSVILLE AGR RES CTR,ANIM IMPROVEMENT PROGRAMS LAB,BELTSVILLE,MD 20705. RP MISZTAL, I (reprint author), UNIV ILLINOIS,URBANA,IL 61801, USA. NR 22 TC 84 Z9 90 U1 1 U2 3 PU AMER DAIRY SCIENCE ASSOC PI CHAMPAIGN PA 309 W CLARK ST, CHAMPAIGN, IL 61820 SN 0022-0302 J9 J DAIRY SCI JI J. Dairy Sci. PD FEB PY 1992 VL 75 IS 2 BP 544 EP 551 PG 8 WC Agriculture, Dairy & Animal Science; Food Science & Technology SC Agriculture; Food Science & Technology GA HC892 UT WOS:A1992HC89200021 ER PT J AU DEVANEY, JA CRAIG, TM ROWE, LD WADE, C MILLER, DK AF DEVANEY, JA CRAIG, TM ROWE, LD WADE, C MILLER, DK TI EFFECTS OF LOW-LEVELS OF LICE AND INTERNAL NEMATODES ON WEIGHT-GAIN AND BLOOD PARAMETERS IN CALVES IN CENTRAL TEXAS SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; NEMATODA; CALVES; WEIGHT GAIN ID OSTERTAGIA-OSTERTAGI; CATTLE; RESISTANCE AB The effects of low levels of both biting and sucking lice, a mixed population of nematodes, and a combination of all these parasites were evaluated in calves held in a barn with no environmental controls in central Texas. Observations at 122 sites on each animal for 16 wk consecutively in 1987 revealed that the largest numbers of all louse species [Haematopinus eurysternus (Nitzsch), Linognathus vituli (L.), and Bovicola bovis (L.)] occurred 3-7 wk after infestation. In 1988 L. vituli populations decreased rapidly after the 3rd wk and B. bovis remained fairly constant for 20 wk consecutively. Average nematode egg counts increased to almost-equal-to 300 eggs per gram of feces in 1987 and almost-equal-to 600 eggs per gram of feces in 1988. The nematodes Ostertagia ostertagia, Haemonchus placei, Oesophagostomum radiatum, Cooperia spp., and Trichostrongylus spp. were present at the end of the study in both years as determined by necropsy. No significant differences in erythrocyte count, mean cell volume, hematocrit, hemoglobin concentration, leukocyte counts, or serum albumin concentration were detected. However, significant increases in total serum protein concentration and serum globulin levels in calves harboring both groups of parasites were observed. Mean weight gain in calves infested with lice and nematodes was 11.4 and 10 kg less than that of uninfested controls during 16 wk in 1987 and 20 wk in 1988, respectively. C1 USDA ARS,FOOD ANIM PROTECT RES LAB,COLLEGE STN,TX 77845. TEXAS A&M UNIV SYST,DEPT VET MICROBIOL & PARASITOL,COLLEGE STN,TX 77843. NR 19 TC 14 Z9 15 U1 0 U2 0 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 144 EP 149 PG 6 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000023 PM 1607476 ER PT J AU YOKOYAMA, VY MILLER, GT HARTSELL, PL AF YOKOYAMA, VY MILLER, GT HARTSELL, PL TI PEST-FREE PERIOD AND METHYL-BROMIDE FUMIGATION FOR CONTROL OF WALNUT HUSK FLY (DIPTERA, TEPHRITIDAE) IN STONE FRUITS EXPORTED TO NEW-ZEALAND SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; RHAGOLETIS-COMPLETA; PRUNUS; QUARANTINE TREATMENT ID CODLING MOTH LEPIDOPTERA; TORTRICIDAE; NECTARINES AB We propose a period free of walnut husk fly, Rhagoletis completa Cresson, from the beginning of stone fruit harvest in spring through 1 July for peaches, nectarines, and plums exported to New Zealand. The pest-free period was verified by the first seasonal emergence of adults trapped in a 'Eureka' walnut orchard in Merced County, Calif, in July 1990, and by emergence of adults from wild-type pupae reared in the laboratory. Pherocon AM traps baited with ammonium carbonate were more effective than emergence cages placed over the soil to determine first adult emergence. The status of peaches as a host was evaluated in the field and although adults were trapped in a 'Carson' peach orchard adjacent to a walnut orchard, pupae were not reared from fruit that had fallen from the trees nor were pupae found in the soil. Methyl bromide fumigation was evaluated as a quarantine treatment for use when the pest-free period is not in effect. At LD50s and doses to cause 100% mortality of the eggs and larvae in peaches, the late third instar was the least susceptible stage to methyl bromide. Complete mortality of 2,203 late third instars in 'Fairtime' peaches was attained in a large-scale test of a proposed quarantine treatment of 40 g/m3 methyl bromide for 2 h at greater-than-or-equal-to 21-degrees-C and 50% (vol/vol) load under a forced-air system for peaches packed in two-tray shipping containers exported to New Zealand. Organic bromide residues were < 0.001 ppm after 7 d in storage at 2.5-degrees-C. Inorganic bromide residues were below the U.S. tolerance level of 20 ppm. RP YOKOYAMA, VY (reprint author), USDA,ARS,HORT CROPS RES LAB,2021 S PEACH AVE,FRESNO,CA 93727, USA. NR 18 TC 11 Z9 11 U1 0 U2 2 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 150 EP 156 PG 7 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000024 ER PT J AU LEESCH, JG AF LEESCH, JG TI CARBON-DIOXIDE ON THE PENETRATION AND DISTRIBUTION OF PHOSPHINE THROUGH WHEAT SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; FUMIGANT; GRAIN; DISINFESTATION ID IN-TRANSIT FUMIGATION; CORN AB Aluminum phosphide was applied with and without CO2 (dry ice) to the top of 4.15-m towers containing soft red winter wheat. Amounts were calculated based on the total volume of the towers to produce theoretical concentrations of 1.74 g PH3/m3 and 5% (by Vol) CO2. Concentrations of PH3 and CO2 were determined periodically during the 6-d experiments. When CO2 was applied with aluminum phosphide, phosphine penetrated the column of wheat faster and accumulated in higher concentrations than when aluminum phosphide was-applied alone. Effects of the CO2 were more pronounced as the depth in the column increased. At the end of the exposure time, concentrations of phosphine were more evenly distributed when CO2 was applied with the aluminum phosphide. RP LEESCH, JG (reprint author), USDA ARS,STORED PROD INSECTS RES & DEV LAB,SAVANNAH,GA 31403, USA. NR 16 TC 3 Z9 4 U1 0 U2 1 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 157 EP 161 PG 5 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000025 ER PT J AU SHARP, JL HALLMAN, GJ AF SHARP, JL HALLMAN, GJ TI HOT-AIR QUARANTINE TREATMENT FOR CARAMBOLAS INFESTED WITH CARIBBEAN FRUIT-FLY (DIPTERA, TEPHRITIDAE) SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; TEPHRITIDAE; QUARANTINE TREATMENT; HEATED AIR AB A single-stage quarantine treatment using air at 47 +/- 0.2-degrees-C was developed to disinfest Florida-grown carambola, Averrhoa carambola L., 'Arkin' of eggs and larvae of Caribbean fruit fly, Anastrepha suspensa (Loew). Treating infested fruits for 30, 45, and 60 min with air at 47 +/- 0.2-degrees-C at a mean air flow rate of 0.75 m3/s reduced the number of surviving puparia that developed from treated eggs and larvae. Initial mean +/- SEM fruit center pulp temperature was 22.8 +/- 0.1-degrees-C. The temperatures were 38.9 +/- 0.7, 43.3 +/- 0.4, and 44.9 +/- 0.4-degrees-C at 30, 45, and 60 min of heating respectively, when mortalities were 79.2, 98.5, and 100%. Probit analysis of the data estimated the mean fruit center pulp temperature needed to reach 99.9968% (Probit 9) mortality as 44-degrees-C (range, 42.4-44.8-degrees-C), which required a mean 64.8 min. A large-scale confirmatory test resulted in no survivors based on normal appearing puparia when 214,801 A. suspensa in 3,850 infested carambolas were heated with air at 47 +/- 0.2-degrees-C at an average air flow rate of 0.75 m3/s until the fruit center pulp temperature reached greater-than-or-equal-to 45.5-degrees-C. The heating time required to reach greater-than-or-equal-to 45.5-degrees-C ranged from 90 to 120 min. Initial mean relative humidity was 51%; it increased to almost-equal-to 85% at 90 min, and remained there until the confirmatory test was completed. RP SHARP, JL (reprint author), USDA ARS,SUBTROP HORT RES STN,MIAMI,FL 33158, USA. NR 16 TC 15 Z9 17 U1 0 U2 2 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 168 EP 171 PG 4 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000027 ER PT J AU LEVINE, E OLOUMISADEGHI, H FISHER, JR AF LEVINE, E OLOUMISADEGHI, H FISHER, JR TI DISCOVERY OF MULTIYEAR DIAPAUSE IN ILLINOIS AND SOUTH-DAKOTA NORTHERN CORN-ROOTWORM (COLEOPTERA, CHRYSOMELIDAE) EGGS AND INCIDENCE OF THE PROLONGED DIAPAUSE TRAIT IN ILLINOIS SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; DIABROTICA-BARBERI; PROLONGED DIAPAUSE; DIAPAUSE ID DIABROTICA; OVIPOSITION AB Northern corn rootworm, Diabrotica barberi Smith & Lawrence, eggs were obtained from female beetles collected in August 1985 from cornfields in Champaign, Ill., and Madison, S. Dak. Eggs were buried in soil or placed in environmental chambers that closely simulated natural soil temperature conditions and were observed for hatch during 4-5 yr. Egg diapause ranged from 1 to 4 yr for both populations. Northern corn rootworm eggs were also obtained in August 1986 from female beetles collected from four Illinois cornfields that experienced greater rootworm damage than was expected for cornfields rotated annually with a soybean crop, and from females collected from the previously sampled Champaign field. The percentage of eggs that hatched after prolonged diapause (> 1 chill period) ranged from 13.9% for eggs from northwest Illinois to 51.3% for eggs from east central Illinois. When the percentage of northern corn rootworms with prolonged diapause in a given county was regressed on the percentage of rotational corn grown in that county, a significant positive correlation was obtained (r = 0.89, df = 3, P = 0.04). C1 USDA ARS,NO GRAIN INSECTS RES LAB,BROOKINGS,SD 57006. UNIV ILLINOIS,OFF AGR ENTOMOL,CHAMPAIGN,IL 61820. RP LEVINE, E (reprint author), ILLINOIS NAT HIST SURVEY,CTR ECON ENTOMOL,607 E PEABODY DR,CHAMPAIGN,IL 61820, USA. NR 24 TC 52 Z9 54 U1 1 U2 8 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 262 EP 267 PG 6 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000041 ER PT J AU SUMNER, HR GROSS, HR WISEMAN, BR AF SUMNER, HR GROSS, HR WISEMAN, BR TI PUSHCART MOUNTED ROTARY APPLICATOR FOR INFESTING PLANTS WITH THE LARVAE OF SPODOPTERA-FRUGIPERDA (LEPIDOPTERA, NOCTUIDAE) SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; SPODOPTERA-FRUGIPERDA; LARVAL APPLICATION; FALL ARMYWORM INFESTATIONS ID ARMYWORM AB A pushcart mounted rotary applicator for dispensing newly enclosed fall armyworm, Spodoptera frugiperda (J. E. Smith), larvae mixed in corncob grits was designed, developed, and evaluated. The efficiency of the device to establish fall armyworm in the whorls of field corn, Zea mays L., was compared with that of a standard, hand-held bazooka applicator. Output of grits from the rotary applicator was independent of hopper load when the hopper was operated at a frequency of 60 rpm and normal walking velocities. In field trials of larval applicators there were no significant differences between application methods in the number of larvae recovered per plant when 2.2 or 8.8 larvae were applied per plant. However, the bazooka applicator was more efficient than the rotary applicator when 35 fall armyworm larvae were applied per plant. A mean of 83% +/- 7.8 (SE) of the plants became infested when 8.8 larvae per plant were applied with the rotary applicator, and 72% of these plants had more than one larva. The rotary applicator system has proven to be an effective method of establishing larvae of the fall armyworm, in whorl-stage corn (less-than-or-equal-to 68 cm in height) and is likely adaptable for use with other lepidopterous pests and other crops. RP SUMNER, HR (reprint author), USDA ARS,INSECT BIOL & POPULAT MANAGEMENT RES LAB,TIFTON,GA 31793, USA. NR 5 TC 2 Z9 2 U1 1 U2 1 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 276 EP 280 PG 5 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000043 ER PT J AU WISEMAN, BR WIDSTROM, NW AF WISEMAN, BR WIDSTROM, NW TI RESISTANCE OF DENT CORN INBREDS TO LARVAE OF THE CORN-EARWORM (LEPIDOPTERA, NOCTUIDAE) SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; MAIZE; HELICOVERPA-ZEA; ANTIBIOSIS ID MERIDIC DIETS AB Six recently released dent inbreds of corn, Zea mays L., with resistance to ear damage by corn earworm, Helicoverpa zea (Boddie), larvae were evaluated in the field and laboratory to determine mechanisms of resistance. 'GT117' and 'GT118' were tolerant to corn earworm based on ear damage in the field and negligible biological effects on larvae that were fed fresh silks, silk diets, or both, in the laboratory. 'GT114' was susceptible to corn earworm in the field but highly antibiotic when larvae were fed silks in the laboratory. Development time to pupation for larvae that were fed silk diets of 'GT114' was more than twice that required for larvae that were fed check diets. Weight of pupae for larvae fed silk diets of 'GT114' was significantly less than for larvae that fed on any of the other entries, including the resistant check 'Zapalote Chico'. 'GT115' possessed resistance to ear damage in the field as well as antibiosis in the silks in laboratory bioassays. 'GT114' will require additional breeding for husk characters to make the antibiotic silks effective against ear damage by larvae of the corn earworm in the field. RP WISEMAN, BR (reprint author), USDA ARS,INSECT BIOL & POPULAT MANAGEMENT RES LAB,TIFTON,GA 31793, USA. NR 14 TC 12 Z9 12 U1 1 U2 1 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 289 EP 292 PG 4 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000045 ER PT J AU WISEMAN, BR BONDARI, K AF WISEMAN, BR BONDARI, K TI GENETICS OF ANTIBIOTIC-RESISTANCE IN CORN SILKS TO THE CORN-EARWORM (LEPIDOPTERA, NOCTUIDAE) SO JOURNAL OF ECONOMIC ENTOMOLOGY LA English DT Article DE INSECTA; HELICOVERPA-ZEA; RESISTANCE INHERITANCE; SCALING TEST ID MAYSIN; MAIZE; GROWTH; LARVAE AB Antibiotic resistance in com, Zea mays L., silks results in the production of small larvae of Helicoverpa zea (Boddie), extends the development period and reduces the fecundity of the pest insect. The genetic basis of the antibiotic silk resistance was studied using silks from individual plants of resistant and susceptible inbreds and progeny in six generations (P1, P2, F1, F2, BC1, and BC2). Results of the scaling and chi-square tests for 'Ab18 (susceptible) x Zapalote Chico' (resistant) and 'GT114 (resistant) x GT119' (susceptible) indicated the additive-dominance model was unsatisfactory. The nature of the underlying genetic control of the antibiotic silk resistance to corn earworm in the two crosses appears to be more complicated and perhaps controlled by several pairs of genes at different loci. RP WISEMAN, BR (reprint author), USDA ARS,INSECT BIOL & POPULAT MANAGEMENT RES LAB,TIFTON,GA 31793, USA. NR 28 TC 9 Z9 11 U1 0 U2 2 PU ENTOMOL SOC AMER PI LANHAM PA 9301 ANNAPOLIS RD, LANHAM, MD 20706 SN 0022-0493 J9 J ECON ENTOMOL JI J. Econ. Entomol. PD FEB PY 1992 VL 85 IS 1 BP 293 EP 298 PG 6 WC Entomology SC Entomology GA HC240 UT WOS:A1992HC24000046 ER PT J AU EVERETT, RL THRAN, DF AF EVERETT, RL THRAN, DF TI ABOVEGROUND BIOMASS AND N-CAPITAL, P-CAPITAL AND S-CAPITAL IN SINGLELEAF PINYON WOODLANDS SO JOURNAL OF ENVIRONMENTAL MANAGEMENT LA English DT Article DE NUTRIENT CAPITAL; WOODLAND MANAGEMENT; FOREST FLOOR ID PINE; TREE; NUTRIENTS; STANDS C1 UNIV NEVADA, DEPT SOILS, RENO, NV 89512 USA. RP EVERETT, RL (reprint author), US FOREST SERV, PACIFIC NW RES STN, PORTLAND, OR 97208 USA. NR 45 TC 2 Z9 2 U1 1 U2 1 PU ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD PI LONDON PA 24-28 OVAL RD, LONDON NW1 7DX, ENGLAND SN 0301-4797 EI 1095-8630 J9 J ENVIRON MANAGE JI J. Environ. Manage. PD FEB PY 1992 VL 34 IS 2 BP 137 EP 147 DI 10.1016/S0301-4797(06)80019-8 PG 11 WC Environmental Sciences SC Environmental Sciences & Ecology GA HG609 UT WOS:A1992HG60900004 ER PT J AU HARDEGREE, SP EMMERICH, WE AF HARDEGREE, SP EMMERICH, WE TI EFFECT OF MATRIC-PRIMING DURATION AND PRIMING WATER POTENTIAL ON GERMINATION OF 4 GRASSES SO JOURNAL OF EXPERIMENTAL BOTANY LA English DT Article DE GERMINATION; MATRIC-PRIMING; IMBIBITION ID SEED-GERMINATION; HYDRATION AB In this study, a matric-potential control system was used to determine the effect of matric-priming duration and priming water potential on the germination response of Bouteloua curtipendula (Michx.) Torr., Cenchrus ciliaris L., Eragrostis lehmanniana Nees, and Panicum coloratum L. Seeds were primed at water potentials of -1.5 to -7.7 MPa for up to 14 d. Optimum germination generally occurred in treatments primed at high water potential for the shortest period. Germination of seeds primed at lower water potential and for longer periods exhibited a negative germination response relative to the control. Seeds were not redried after the priming treatment. Seed-water uptake measurements suggest that a reduction in the lag time of imbibition accounted for at least some germination-rate enhancement in the positive-priming treatments. C1 USDA ARS,ARIDLAND WATERSHED MANAGEMENT RES UNIT,TUCSON,AZ 85719. RP HARDEGREE, SP (reprint author), USDA ARS,NW WATERSHED RES CTR,800 PK BLVD,PLAZA IV,SUITE 105,BOISE,ID 83712, USA. NR 23 TC 33 Z9 34 U1 1 U2 6 PU OXFORD UNIV PRESS UNITED KINGDOM PI OXFORD PA WALTON ST JOURNALS DEPT, OXFORD, ENGLAND OX2 6DP SN 0022-0957 J9 J EXP BOT JI J. Exp. Bot. PD FEB PY 1992 VL 43 IS 247 BP 233 EP 238 DI 10.1093/jxb/43.2.233 PG 6 WC Plant Sciences SC Plant Sciences GA HE546 UT WOS:A1992HE54600014 ER PT J AU DICKSON, JS ANDERSON, ME AF DICKSON, JS ANDERSON, ME TI MICROBIOLOGICAL DECONTAMINATION OF FOOD ANIMAL CARCASSES BY WASHING AND SANITIZING SYSTEMS - A REVIEW SO JOURNAL OF FOOD PROTECTION LA English DT Review ID BEEF TISSUE SURFACES; REDUCING MICROBIAL-POPULATIONS; LACTIC-ACID DECONTAMINATION; HOT WATER CABINET; PORK CARCASSES; SALMONELLA-TYPHIMURIUM; MEAT SURFACES; POULTRY SKIN; ACETIC-ACID; SENSORY CHARACTERISTICS AB Microbial contamination of animal carcasses is a result of the necessary procedures required to process live animals into retail meat. The contamination can be minimized by good manufacturing processes, but the total elimination of foodborne pathogenic microorganisms is difficult, if not impossible. A variety of methods have been developed to reduce the levels of contaminating bacteria on carcasses, although most of the current methods focus on washing and sanitizing procedures. The commonly used sanitizing agents include hot water, chlorine, and short-chain organic acids. The effectiveness of these compounds varies by the concentration used, the temperature of the sanitizers and contact time, the sensitivity of the native microflora to the specific compound, and to a certain extent the design of the specific experiments. The consensus of the research is that carcass sanitizing can reduce the initial levels of bacteria on the surface of the carcass. RP DICKSON, JS (reprint author), USDA ARS,ROMAN L HRUSKA US MEAT ANIM RES CTR,POB 166,CLAY CTR,NE 68933, USA. NR 137 TC 220 Z9 224 U1 7 U2 24 PU INT ASSOC MILK FOOD ENVIRONMENTAL SANITARIANS, INC PI DES MOINES PA 6200 AURORA AVE SUITE 200W, DES MOINES, IA 50322-2838 SN 0362-028X J9 J FOOD PROTECT JI J. Food Prot. PD FEB PY 1992 VL 55 IS 2 BP 133 EP 140 PG 8 WC Biotechnology & Applied Microbiology; Food Science & Technology SC Biotechnology & Applied Microbiology; Food Science & Technology GA HD308 UT WOS:A1992HD30800012 ER PT J AU THOMAS, JW AF THOMAS, JW TI ON BEING PROFESSIONAL - THE RESPONSIBILITIES OF A WORTHY VOCATION SO JOURNAL OF FORESTRY LA English DT Article RP THOMAS, JW (reprint author), US FOREST SERV,LA GRANDE,OR 97850, USA. NR 11 TC 3 Z9 3 U1 0 U2 0 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0022-1201 J9 J FOREST JI J. For. PD FEB PY 1992 VL 90 IS 2 BP 12 EP 16 PG 5 WC Forestry SC Forestry GA HC053 UT WOS:A1992HC05300008 ER PT J AU BROOKS, DJ GRANT, GE AF BROOKS, DJ GRANT, GE TI NEW APPROACHES TO FOREST MANAGEMENT .2. BACKGROUND, SCIENCE ISSUES, AND RESEARCH AGENDA SO JOURNAL OF FORESTRY LA English DT Article RP BROOKS, DJ (reprint author), US FOREST SERV,PACIFIC NW RES STN,CORVALLIS,OR 97331, USA. NR 10 TC 8 Z9 8 U1 0 U2 0 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0022-1201 J9 J FOREST JI J. For. PD FEB PY 1992 VL 90 IS 2 BP 21 EP 24 PG 4 WC Forestry SC Forestry GA HC053 UT WOS:A1992HC05300013 ER PT J AU BRADLEY, DP LEWIS, BJ AF BRADLEY, DP LEWIS, BJ TI ECOLOGICAL ECONOMICS - INTEGRATING NATURAL AND SOCIAL DIMENSIONS SO JOURNAL OF FORESTRY LA English DT Article C1 UNIV MINNESOTA,COLL NAT RESOURCES,ST PAUL,MN 55108. RP BRADLEY, DP (reprint author), US FOREST SERV,N CENT FOREST EXPT STN,ST PAUL,MN, USA. NR 9 TC 1 Z9 1 U1 0 U2 0 PU SOC AMER FORESTERS PI BETHESDA PA 5400 GROSVENOR LANE, BETHESDA, MD 20814 SN 0022-1201 J9 J FOREST JI J. For. PD FEB PY 1992 VL 90 IS 2 BP 30 EP 33 PG 4 WC Forestry SC Forestry GA HC053 UT WOS:A1992HC05300014 ER PT J AU HOU, CT BAGBY, MO AF HOU, CT BAGBY, MO TI 10-HYDROXY-8(Z)-OCTADECENOIC ACID, AN INTERMEDIATE IN THE BIOCONVERSION OF OLEIC-ACID TO 7,10-DIHYDROXY-8(E)-OCTADECENOIC ACID SO JOURNAL OF INDUSTRIAL MICROBIOLOGY LA English DT Article DE FATTY ACID BIOCONVERSION; HYDROXY OCTADECENOIC ACID AB Previously, we reported the discovery of a new compound, 7,10-dihydroxy-8(E)-octadecenoic acid (DOD) which was produced from oleic acid by a new bacterial isolate PR3 [6,7]. The reaction is unique in that it involves a hydroxylation at two positions and a rearrangement of the double bond of the substrate molecule. Now, we have isolated another compound from the reaction mixture determined by GC/MS to be 10-hydroxy-8-octadecenoic acid (HOD). NMR and IR data indicate that the unsaturation is probably cis. The optimum pH and temperature for the production of HOD by strain PR3 were 6.5 and 30-degrees-C, about the same as those for DOD. However, the amount of HOD detected remained small throughout an 48-h reaction period during which the amount of DOD increased sharply. At 48 h of reaction, the ratio between HOD:DOD was 1:10. HOD may be an intermediate in the biosynthesis of DOD from oleic acid. RP HOU, CT (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604, USA. NR 14 TC 32 Z9 32 U1 0 U2 0 PU STOCKTON PRESS PI BASINGSTOKE PA HOUNDMILLS, BASINGSTOKE, HAMPSHIRE, ENGLAND RG21 6XS SN 0169-4146 J9 J IND MICROBIOL JI J. Indust. Microbiol. PD FEB-MAR PY 1992 VL 9 IS 2 BP 103 EP 107 DI 10.1007/BF01569740 PG 5 WC Biotechnology & Applied Microbiology SC Biotechnology & Applied Microbiology GA HP671 UT WOS:A1992HP67100004 ER PT J AU EVANS, WJ MARTIN, CJ AF EVANS, WJ MARTIN, CJ TI INTERACTIONS OF INOSITOL HEXAPHOSPHATE WITH PB(II) AND BE(II) - A CALORIMETRIC STUDY .18. SO JOURNAL OF INORGANIC BIOCHEMISTRY LA English DT Article ID DIVALENT-CATION INTERACTIONS; INTRANUCLEAR INCLUSION-BODIES; PHYTIC ACID; ION INTERACTIONS; COMPLEX-FORMATION; METAL-IONS; ZINC ION; BINDING; LEAD; PROTEINS AB The interactions of Pb(II) and Be(II) with inositol hexaphosphate (phytic acid) were studied by calorimetry. The reactions were examined at initial pH values of 3.56 and 2.40 with a metal ion:phytic acid mol ratio of six in each instance. Insoluble metal ion-phytate complexes were formed with endothermic heats of precipitation. Analyses by internally coupled plasma (ICP) procedures indicated that 5.3 mols Pb(II) combined per mol phytic acid precipitated at initial pH 3.56, whereas 4.7 mols Pb(II) combined per mol phytic acid precipitated at initial pH 2.40. The corresponding results for Be(II) were 5.0 mols Be(II) combined per mol phytic acid precipitated at initial pH 3.56 and 4.6 mols Be(II) combined per mol phytic acid precipitated at initial pH 2.40. The enthalpy of precipitation of the Pb(II)-phytate reaction was 10.54 kcal at initial pH 3.56 and 6.27 kcal at initial pH 2.40. Similarly, those for the Be(II)-phytate precipitations were 26.79 kcal at initial pH 3.56 and 23.18 kcal at initial pH 2.40. We conclude that, among the numerous divalent metal cation-phytic acid reactions we have previously studied, Pb(II) and Be(II) exhibit the strongest combining affinity for phytic acid. C1 UNIV HLTH SCI CHICAGO MED SCH,DEPT BIOL CHEM & STRUCT,N CHICAGO,IL 60064. RP EVANS, WJ (reprint author), USDA ARS,SO REG RES CTR,1100 ROBERT E LEE BLVD,POB 19687,NEW ORLEANS,LA 70179, USA. NR 53 TC 10 Z9 10 U1 0 U2 0 PU ELSEVIER SCIENCE INC PI NEW YORK PA 655 AVENUE OF THE AMERICAS, NEW YORK, NY 10010 SN 0162-0134 J9 J INORG BIOCHEM JI J. Inorg. Biochem. PD FEB 1 PY 1992 VL 45 IS 2 BP 105 EP 113 DI 10.1016/0162-0134(92)80004-F PG 9 WC Biochemistry & Molecular Biology; Chemistry, Inorganic & Nuclear SC Biochemistry & Molecular Biology; Chemistry GA GZ874 UT WOS:A1992GZ87400004 ER PT J AU FLEET, JC CLINTON, SK SALOMON, RN LOPPNOW, H LIBBY, P AF FLEET, JC CLINTON, SK SALOMON, RN LOPPNOW, H LIBBY, P TI ATHEROGENIC DIETS ENHANCE ENDOTOXIN-STIMULATED INTERLEUKIN-1 AND TUMOR-NECROSIS-FACTOR GENE-EXPRESSION IN RABBIT AORTAE SO JOURNAL OF NUTRITION LA English DT Article DE RABBITS; POLYMERASE CHAIN REACTION; APOLIPOPROTEIN-E; CYTOKINES ID SMOOTH-MUSCLE CELLS; VASCULAR ENDOTHELIAL-CELLS; FAT-FED RABBITS; APOLIPOPROTEIN-E; NONHUMAN PRIMATE; WATANABE; HYPERCHOLESTEROLEMIA; ATHEROSCLEROSIS; CHOLESTEROL; CLONING AB Cytokine-induced vascular changes may contribute to the atherogenic process. We examined the effect of atherogenic diets on the aortic expression of genes for the cytokines interleukin-1-alpha and beta and tumor necrosis factor alpha. Male New Zealand White rabbits were fed one of the following diets for 10 wk: nonpurified diet, a semipurified diet with 10% corn oil, a semipurified diet with 1% corn oil and 9% partially hydrogenated coconut oil, or the 9% coconut oil diet supplemented with either 0.1, 0.3 or 0.9% added cholesterol (n = 6/group). At 10 wk, 3 rabbits per group received lipopolysaccharide (200-mu-g/kg) intravenously. After 1.5 h the rabbits were killed and their aortae removed and analyzed. Histologic examination showed that the 0.3% and 0.9% cholesterol-fed rabbits developed appreciable aortic lesions. Diet had no major effect on the basal levels of aortic cytokine mRNA as determined by polymerase chain reaction analysis of DNAs. However, aortic tissue from rabbits fed 0.3% and 0.9% cholesterol diets showed significantly enhanced lipopolysaccharide-evoked levels of mRNA encoding interleukin-1-alpha (392 +/- 91 for saturated fat vs. 759 +/- 191 and 800 +/- 120 fmoles/reaction for 0.3% and 0.9% cholesterol), interleukin-1-beta (99 +/- 10 vs. 353 +/- 80 and 355 +/- 86) and tumor necrosis factor-alpha (195 +/- 15 vs. 594 +/- 78 and 667 +/- 97). Extracts of aortae from rabbits injected with lipopolysaccharide contained interleukin-1 and tumor necrosis factor alpha activity but differences in biological activity due to diet were not detectable at the 1.5 h time point (chosen for maximal mRNA expression). Increased local cytokine gene expression in response to acute stimulus might influence the evolution of the vascular response to diets rich in cholesterol and saturated fats. C1 BRIGHAM & WOMENS HOSP,VASCULAR MED & ATHEROSCLEROSIS UNIT,75 FRANCIS ST,BOSTON,MA 02111. HARVARD UNIV,SCH MED,BOSTON,MA 02115. TUFTS UNIV,DEPT PATHOL,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. NR 44 TC 71 Z9 73 U1 0 U2 1 PU AMER INST NUTRITION PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 SN 0022-3166 J9 J NUTR JI J. Nutr. PD FEB PY 1992 VL 122 IS 2 BP 294 EP 305 PG 12 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HB758 UT WOS:A1992HB75800011 PM 1732470 ER PT J AU MILES, CW AF MILES, CW TI THE METABOLIZABLE ENERGY OF DIETS DIFFERING IN DIETARY-FAT AND FIBER MEASURED IN HUMANS SO JOURNAL OF NUTRITION LA English DT Article DE METABOLIZABLE ENERGY; FIBER; HUMANS; FAT ID APPARENT DIGESTIBILITIES; RESPONSES; FOOD; VEGETABLES; EXCRETIONS; TRANSIT; WEIGHT; FRUITS AB The metabolizable energy of two diets differing in fat and fiber content was measured in balance experiments in 42 adult male subjects. Subjects received each diet for 10 wk in a crossover design. Average fiber consumption from mixed sources (cereals, legumes, fruits and vegetables) while consuming the low fiber, high fat diet was 34 g/d and 64 g/d while consuming the high fiber, low fat diet. The percentages of energy from protein, fat and carbohydrate were 16, 18.5 and 65.5, respectively in the high fiber, low fat diet and 14.5, 36 and 49.5, respectively, in the low fiber, high fat diet. Seven-day composite collections of food, urine and feces were made during the 10th wk of the study. The freeze-dried food and fecal samples were analyzed for total energy content and for protein, fat, moisture, ash and carbohydrate. Urine samples were analyzed for nitrogen and energy content. The digestibility of the energy-containing nutrients was significantly lower when subjects were consuming high fiber, low fat vs. low fiber, high fat diets (95.4 vs. 97.0, carbohydrate; 92.5 vs. 95.5, fat; 83.7 vs. 89.4, protein; and 91.4 vs. 94.3, energy). RP MILES, CW (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,ENERGY & PROT NUTR LAB,BELTSVILLE HUMAN NUTR RES CTR,BELTSVILLE,MD 20705, USA. NR 32 TC 31 Z9 31 U1 0 U2 5 PU AMER INST NUTRITION PI BETHESDA PA 9650 ROCKVILLE PIKE, BETHESDA, MD 20814 SN 0022-3166 J9 J NUTR JI J. Nutr. PD FEB PY 1992 VL 122 IS 2 BP 306 EP 311 PG 6 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HB758 UT WOS:A1992HB75800012 PM 1310110 ER PT J AU DUBEY, JP AF DUBEY, JP TI ISOLATION OF TOXOPLASMA-GONDII FROM A NATURALLY INFECTED BEEF COW SO JOURNAL OF PARASITOLOGY LA English DT Note ID CATTLE; PREVALENCE; DIAGNOSIS; CYSTS AB Toxoplasma gondii was isolated from the intestinal wall of an adult shorthorn cow. The cow had an antibody titer of 1:1,600 in the T. gondii agglutination test using formalin-fixed whole tachyzoites. The strain of the parasite designated CT-1 was lethal to mice. This is the first report of the recovery of viable T. gondii from a naturally infected cow in the United States. RP DUBEY, JP (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,ZOONOT DIS LAB,BELTSVILLE,MD 20705, USA. NR 13 TC 39 Z9 39 U1 0 U2 0 PU AMER SOC PARASITOLOGISTS PI LAWRENCE PA 810 EAST 10TH STREET, LAWRENCE, KS 66044 SN 0022-3395 J9 J PARASITOL JI J. Parasitol. PD FEB PY 1992 VL 78 IS 1 BP 151 EP 153 DI 10.2307/3283705 PG 3 WC Parasitology SC Parasitology GA HF448 UT WOS:A1992HF44800027 PM 1738059 ER PT J AU RICHARDSON, DJ OWEN, WB SNYDER, DE AF RICHARDSON, DJ OWEN, WB SNYDER, DE TI HELMINTH-PARASITES OF THE RACCOON (PROCYON-LOTOR) FROM NORTH-CENTRAL ARKANSAS SO JOURNAL OF PARASITOLOGY LA English DT Note ID TRICHINELLA-SPIRALIS INFECTION; PREVALENCE; INTENSITY AB Twenty-three species of helminths (4 trematodes, 2 cestodes, 14 nematodes, and 3 acanthocephalans) were found in the gastrointestinal tract, lungs, pancreas, tongue, urinary bladder, and subcutaneous tissues of 30 live-trapped or hunter-shot raccoons from north-central Arkansas between November 1989 and April 1990. Helminths were not detected in the brain, diaphragm, gallbladder, heart, liver, reproductive system, or trachea. Each raccoon examined was infected with 3 or more of the following helminths: Brachylaima virginiana, Eurytrema procyonis, Fibricola cratera, Pharyngostomoides procyonis, Atriotaenia procyonis, Mesocestoides spp., Arthrocephalus lotoris, Capillaria aerophila, Capillaria plica, Capillaria procyonis, Capillaria putorii, Crenosoma goblei, Cruzia americana, Dirofilaria tenuis, Dracunculus insignis, Enterobius sp., Gnathostoma procyonis, Molineus barbatus, Physaloptera rara, Trichinella spiralis, Centrorhynchus wardae, Macracanthorhynchus ingens, and Oligacanthorhynchus tortuosa. All helminths collected with the exception of D. insignis constitute new geographic distribution records. Occurrences of C. aerophila, C. wardae, and O. tortuosa are new host records. One nymphal pentastome, Porocephalus crotali, was found in the liver of 1 raccoon, constituting a new host record. C1 UNIV CENT ARKANSAS,DEPT BIOL,CONWAY,AR 72032. USDA ARS,ANIM PARASITE RES LAB,AUBURN,AL 36831. NR 10 TC 32 Z9 34 U1 3 U2 10 PU AMER SOC PARASITOLOGISTS PI LAWRENCE PA 810 EAST 10TH STREET, LAWRENCE, KS 66044 SN 0022-3395 J9 J PARASITOL JI J. Parasitol. PD FEB PY 1992 VL 78 IS 1 BP 163 EP 166 DI 10.2307/3283710 PG 4 WC Parasitology SC Parasitology GA HF448 UT WOS:A1992HF44800032 PM 1738063 ER PT J AU SHULMAN, RJ TIVEY, DR SUNITHA, I DUDLEY, MA HENNING, SJ AF SHULMAN, RJ TIVEY, DR SUNITHA, I DUDLEY, MA HENNING, SJ TI EFFECT OF ORAL INSULIN ON LACTASE ACTIVITY, MESSENGER-RNA, AND POSTTRANSCRIPTIONAL PROCESSING IN THE NEWBORN PIG SO JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION LA English DT Article ID INTESTINAL MICROVILLAR PROTEINS; BRUSH-BORDER ENZYMES; POSTNATAL-DEVELOPMENT; PHLORIZIN HYDROLASE; MINIATURE PIG; RAT INTESTINE; SUCKLING RAT; BIOSYNTHESIS; GROWTH; DIFFERENTIATION AB Insulin, found in human and pig colostrum and mature milk, appears to influence small intestinal growth and development. Ileal lactase activity is increased when porcine insulin is added to feedings administered to newborn piglets. We studied 2-day-old miniature piglets to determine whether the increase in lactase activity is accompanied by changes in enterocyte expression of lactase activity, steady-state levels of lactase mRNA, and/or posttranscriptional changes in lactase processing. We randomized the piglets to receive bottle feedings of a swine-weaning milk formula with (group F + I) or without (group F) the addition of 85 mU/ml of regular porcine insulin. The piglets were fed for 6 days (to 8 days of age), after which they were killed and the small intestine removed for analysis. Despite large differences between groups in enterocyte expression of lactase activity in the ileum, no differences were noted in the level of ileal lactase mRNA. The relative proportions of the 207, 210, and 230 kDa precursors of the 160 kDa mature lactase protein were similar between groups. These data indicate that the insulin-induced increased expression of ileal lactase activity is not regulated at the level of its mRNA or at the level of processing of the polypeptide. C1 BAYLOR COLL MED,DEPT PEDIAT,HOUSTON,TX 77030. AFRC,INST ANIM PHYSIOL & GENET RES,CAMBRIDGE CB2 4AT,ENGLAND. RP SHULMAN, RJ (reprint author), USDA ARS,45 CHILDRENS NUTR RES CTR,1100 BATES ST,HOUSTON,TX 77030, USA. RI Henning, Susan/A-9356-2009; Tivey, David/A-6354-2017 OI Tivey, David/0000-0003-2213-2576 FU NICHD NIH HHS [HD14094] NR 33 TC 31 Z9 33 U1 0 U2 3 PU LIPPINCOTT-RAVEN PUBL PI PHILADELPHIA PA 227 EAST WASHINGTON SQ, PHILADELPHIA, PA 19106 SN 0277-2116 J9 J PEDIATR GASTR NUTR JI J. Pediatr. Gastroenterol. Nutr. PD FEB PY 1992 VL 14 IS 2 BP 166 EP 172 DI 10.1097/00005176-199202000-00008 PG 7 WC Gastroenterology & Hepatology; Nutrition & Dietetics; Pediatrics SC Gastroenterology & Hepatology; Nutrition & Dietetics; Pediatrics GA HJ656 UT WOS:A1992HJ65600008 PM 1593371 ER PT J AU MILLIE, DF HERSH, CM DIONIGI, CP AF MILLIE, DF HERSH, CM DIONIGI, CP TI SIMAZINE-INDUCED INHIBITION IN PHOTOACCLIMATED POPULATIONS OF ANABAENA-CIRCINALIS (CYANOPHYTA) SO JOURNAL OF PHYCOLOGY LA English DT Article DE CYANOPHYTA; GROWTH RATE; PHOTOSYNTHETIC OXYGEN EVOLUTION; SIMAZINE; TRIAZINE HERBICIDE; WATER QUALITY ID BLUE-GREEN-ALGA; CYANOBACTERIUM MICROCYSTIS-AERUGINOSA; PHAEODACTYLUM-TRICORNUTUM BOHLIN; NANNOCHLORIS-OCULATA DROOP; LIGHT-INTENSITY; ANACYSTIS-NIDULANS; CHROMATIC ADAPTATION; HERBICIDE ATRAZINE; GROWTH-RESPONSES; SURFACE BLOOMS AB The effects of the triazine herbicide, simazine, on photosynthetic oxygen evolution and growth rate in photoaclimated populations of Anabaena circinalis Rabenhorst were investigated. Chemostat populations were acclimated to photon flux densities (PFDs) of 50, 130, and 230-mu-mol.m-2.s-1 of photosynthetic active radiation (PAR). Decreases in chlorophyll a (Chl a), c-phycocyanin (CPC), and total carotenoid (TCar) contents and CPC : Chl a and CPC : TCar ratios of populations coincided with increasing PFD. Polynomial regression models that characterize inhibition of photosynthesis for populations acclimated to 50 and 130-mu-mol photons.m-2.s-1 PAR were distinct from the model for populations acclimated to 230-mu-mol photons.m-2.s-1 PAR. Simazine concentrations that depressed oxygen evolution 50% compared to controls decreased with increasing PFD. Increases and decreases in both biomass and growth rate coincided with increasing PFD and simazine concentration, respectively. Simazine concentrations that depressed growth rate 50% compared to controls increased with decreasing PFD. The differences in photosynthetic and growth inhibition among photoacclimated populations indicate that sensitivity to photosystem II inhibitors is affected by alterations in pigment contents. C1 LOYOLA UNIV,DEPT BIOL SCI,NEW ORLEANS,LA 70118. BUR WATER QUAL MANAGEMENT,DEPT ENVIRONM RESOURCES,HARRISBURG,PA 17105. RP MILLIE, DF (reprint author), USDA ARS,SO REG RES CTR,POB 19687,NEW ORLEANS,LA 70179, USA. NR 56 TC 31 Z9 32 U1 0 U2 3 PU PHYCOLOGICAL SOC AMER INC PI LAWRENCE PA 810 EAST 10TH ST, LAWRENCE, KS 66044 SN 0022-3646 J9 J PHYCOL JI J. Phycol. PD FEB PY 1992 VL 28 IS 1 BP 19 EP 26 DI 10.1111/j.0022-3646.1992.00019.x PG 8 WC Plant Sciences; Marine & Freshwater Biology SC Plant Sciences; Marine & Freshwater Biology GA HE700 UT WOS:A1992HE70000004 ER PT J AU GROVES, ML DOWER, HJ FARRELL, HM AF GROVES, ML DOWER, HJ FARRELL, HM TI REEXAMINATION OF THE POLYMERIC DISTRIBUTIONS OF KAPPA-CASEIN ISOLATED FROM BOVINE-MILK SO JOURNAL OF PROTEIN CHEMISTRY LA English DT Article DE CASEIN MICELLES; SULFHYDRYLS; DISULFIDES ID K-CASEIN; TEMPERATURE; SEQUENCE; MICELLES; SIZE AB Kappa-casein the stabilizing protein of the colloidal milk protein complex was purified from bovine skim milk by the method of McKenzie and Wake (Biochim. Biophys. Acta. 47, 240, 1961)., The preparations were examined by sodium dodecyl sulfate gel electrophoresis in the presence and absence of a reducing agent. In the presence of a reducing agent, the kappa-casein migrates as a single low molecular weight band. However, in the absence of a reducing agent, a characteristic pattern of aggregates of varying molecular weight was observed with components ranging from monomer to octamer in integer steps. Densitometry of the Coomassie blue stained gels showed an almost equal distribution of components in each band; carbohydrate staining showed preferential location of sugar residues in lower molecular weight components. Treatment with chymosin (rennin) caused a downward shift in apparent molecular weight for each band with no change in the relative intensity of the Coomassie blue stained bands. Similar gel patterns were observed in whole caseins and partially purified kappa-caseins, indicating that this size distribution is a natural disulfide-linked reporter for the distribution of kappa-casein in casein colloids (micelles). C1 USDA ARS,EASTERN REG RES CTR,600 E MERMAID LANE,PHILADELPHIA,PA 19118. NR 34 TC 40 Z9 43 U1 0 U2 5 PU PLENUM PUBL CORP PI NEW YORK PA 233 SPRING ST, NEW YORK, NY 10013 SN 0277-8033 J9 J PROTEIN CHEM JI J. Protein Chem. PD FEB PY 1992 VL 11 IS 1 BP 21 EP 28 DI 10.1007/BF01025088 PG 8 WC Biochemistry & Molecular Biology SC Biochemistry & Molecular Biology GA HJ653 UT WOS:A1992HJ65300003 PM 1515031 ER PT J AU HUGHES, M AF HUGHES, M TI GENERAL EQUILIBRIUM OF A REGIONAL ECONOMY WITH A FINANCIAL SECTOR .2. A SIMPLE BEHAVIORAL-MODEL SO JOURNAL OF REGIONAL SCIENCE LA English DT Article ID LOANABLE FUNDS; ARBITRAGE AB Simple behavioral assumptions are incorporated into an accounting framework that provides linked budget and balance sheets for sectors of a regional economy. A short-run Keynesian-type model is developed where quantities rather than prices adjust, and where regional prices and interest rates are equal to national levels. The analysis highlights the importance of the financial services sector as an active factor in regional growth. Consumer deposit and debt preferences, and limitations imposed on credit extension by the financial services sector can have important effects on the regional economy as evidenced by changes in the export multiplier. RP HUGHES, M (reprint author), USDA,ECON RES SERV,1301 NEW YORK AVE NW,WASHINGTON,DC 20005, USA. NR 11 TC 2 Z9 2 U1 1 U2 1 PU BLACKWELL PUBLISHERS PI CAMBRIDGE PA 350 MAIN STREET, STE 6, CAMBRIDGE, MA 02148-5023 SN 0022-4146 J9 J REGIONAL SCI JI J. Reg. Sci. PD FEB PY 1992 VL 32 IS 1 BP 19 EP 37 DI 10.1111/j.1467-9787.1992.tb00166.x PG 19 WC Economics; Environmental Studies; Planning & Development SC Business & Economics; Environmental Sciences & Ecology; Public Administration GA HF316 UT WOS:A1992HF31600002 ER PT J AU GIBBS, RM AF GIBBS, RM TI FROM COTTON BELT TO SUN-BELT - FEDERAL-POLICY, ECONOMIC-DEVELOPMENT, AND THE TRANSFORMATION OF THE SOUTH, 1938-1980 - SCHULMAN,BJ SO JOURNAL OF REGIONAL SCIENCE LA English DT Book Review RP GIBBS, RM (reprint author), USDA,ECON RES SERV,WASHINGTON,DC 20250, USA. NR 1 TC 1 Z9 1 U1 0 U2 0 PU BLACKWELL PUBLISHERS PI CAMBRIDGE PA 350 MAIN STREET, STE 6, CAMBRIDGE, MA 02148-5023 SN 0022-4146 J9 J REGIONAL SCI JI J. Reg. Sci. PD FEB PY 1992 VL 32 IS 1 BP 125 EP 127 PG 3 WC Economics; Environmental Studies; Planning & Development SC Business & Economics; Environmental Sciences & Ecology; Public Administration GA HF316 UT WOS:A1992HF31600013 ER PT J AU FRIDLEY, KJ TANG, RC SOLTIS, LA AF FRIDLEY, KJ TANG, RC SOLTIS, LA TI HYGROTHERMAL EFFECTS ON MECHANICAL-PROPERTIES OF LUMBER SO JOURNAL OF STRUCTURAL ENGINEERING-ASCE LA English DT Article ID LOAD-DURATION BEHAVIOR; TEMPERATURE AB As part of a parent study of possible environmental effects on the long-term load-carrying performance of structural lumber, the material characteristics of a lumber sample are evaluated in several hygrothermal states. The modulus of elasticity and modulus of rupture of sorted groups of select structural Douglasfir 2 x 4 lumber are determined from standard pseudostatic bending tests after the groups are brought into equilibrium with various prescribed environments. Lognormal statistical distributions of strength and stiffness of the various groups are related by evaluating the distribution parameters as quadratic functions of temperature and moisture content. The correlation between modulus of elasticity and modulus of rupture, and observed modes of failure, are also presented as they pertain to changes in temperature and moisture content. C1 AUBURN UNIV,SCH FORESTRY,AUBURN,AL 36849. US FOREST SERV,FOREST PROD LAB,MADISON,WI 53705. RP FRIDLEY, KJ (reprint author), PURDUE UNIV,WOOD RES LAB,W LAFAYETTE,IN 47907, USA. NR 17 TC 10 Z9 11 U1 1 U2 1 PU ASCE-AMER SOC CIVIL ENGINEERS PI NEW YORK PA 345 E 47TH ST, NEW YORK, NY 10017-2398 SN 0733-9445 J9 J STRUCT ENG-ASCE JI J. Struct. Eng.-ASCE PD FEB PY 1992 VL 118 IS 2 BP 567 EP 581 DI 10.1061/(ASCE)0733-9445(1992)118:2(567) PG 15 WC Construction & Building Technology; Engineering, Civil SC Construction & Building Technology; Engineering GA HA125 UT WOS:A1992HA12500013 ER PT J AU PROVENZALE, D REINHOLD, RB GOLNER, B IRWIN, V DALLAL, GE PAPATHANASOPOULOS, N SAHYOUN, N SAMLOFF, IM RUSSELL, RM AF PROVENZALE, D REINHOLD, RB GOLNER, B IRWIN, V DALLAL, GE PAPATHANASOPOULOS, N SAHYOUN, N SAMLOFF, IM RUSSELL, RM TI EVIDENCE FOR DIMINISHED B-12 ABSORPTION AFTER GASTRIC BYPASS - ORAL SUPPLEMENTATION DOES NOT PREVENT LOW PLASMA B-12 LEVELS IN BYPASS PATIENTS SO JOURNAL OF THE AMERICAN COLLEGE OF NUTRITION LA English DT Article DE GASTRIC BYPASS; VITAMIN-B12 DEFICIENCY; OBESITY ID MORBID-OBESITY; PEPSINOGEN-II; SURGERY; DEFICIENCIES; VITAMIN; SERUM AB Vitamin and mineral assays were performed on blood in 20 gastric bypass patients preoperatively and 6 and 12 months postoperatively. Values were compared with serial food records in nine patients. Postoperatively, all patients were prescribed a supplement containing the recommended dietary allowances (RDA) for vitamins and minerals. Weight, calorie and protein intake, and total serum protein decreased over the study interval (p < 0.0 1). Dietary intakes of vitamins B1, B2, B6, folate, iron and zinc fell (p < 0.01), but total intake (i.e., diet + supplement) did not decrease with the exception of iron. Blood indicators of these nutrients were normal preoperatively and did not decline. However, plasma vitamin B-12 levels decreased from 385 pg/ml preoperatively to 234 pg/ml at 1 year (p = 0.0064), despite an increase in total vitamin B-12 intake from 2.6 to 11.7-mu-g/day (p = 0.1173). Five patients (27.8%) had abnormally low plasma vitamin B-12 levels at 1 year postoperatively; four were taking at least the RDA for vitamin B-12 as supplements. Although oral supplementation containing the RDA for micronutrients can prevent abnormal blood indicators of most vitamins and minerals, it is insufficient to maintain normal plasma B-12 levels in about 30% of gastric bypass patients. C1 TUFTS UNIV,USDA ARS,HUMAN NUTR RES CTR,711 WASHINGTON ST,BOSTON,MA 02111. VET ADM MED CTR,RES & MED SERV,SEPULVEDA,CA 91343. NEW ENGLAND MED CTR HOSP,DEPT SURG,BOSTON,MA 02111. NEW ENGLAND MED CTR HOSP,DIV GASTROENTEROL,BOSTON,MA 02111. RI Sahyoun, Nadine/G-2608-2011 FU NCRR NIH HHS [RR-00054] NR 27 TC 41 Z9 41 U1 1 U2 1 PU AMER COLL NUTRITION PI NEW YORK PA C/O HOSP. JOINT DIS. 301 E. 17TH ST., NEW YORK, NY 10003 SN 0731-5724 J9 J AM COLL NUTR JI J. Am. Coll. Nutr. PD FEB PY 1992 VL 11 IS 1 BP 29 EP 35 PG 7 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HC360 UT WOS:A1992HC36000007 PM 1541791 ER PT J AU WHITE, JV DWYER, JT POSNER, BM HAM, RJ LIPSCHITZ, DA WELLMAN, NS AF WHITE, JV DWYER, JT POSNER, BM HAM, RJ LIPSCHITZ, DA WELLMAN, NS TI NUTRITION SCREENING INITIATIVE - DEVELOPMENT AND IMPLEMENTATION OF THE PUBLIC AWARENESS CHECKLIST AND SCREENING TOOLS SO JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION LA English DT Editorial Material C1 MCCLELLAN MEM VET ADM HOSP,CTR GERIATR RES & EDUC CLIN,LITTLE ROCK,AR 72205. FLORIDA INT UNIV,DEPT DIET & NUTR,MIAMI,FL 33199. SUNY COLL SYRACUSE,HLTH SCI CTR,CHAIR GERIATR MED,SYRACUSE,NY 13210. NEW ENGLAND MED CTR HOSP,FRANCES STERN NUTR CTR,BOSTON,MA. TUFTS UNIV,SCH MED,BOSTON,MA 02111. TULANE UNIV,USDA,HUMAN NUTR AGING RES CTR,NEW ORLEANS,LA 70118. BOSTON UNIV,SCH PUBL HLTH,FRAMINGHAM STUDY,BOSTON,MA 02215. RP WHITE, JV (reprint author), UNIV TENNESSEE,MED CTR,GRAD SCH MED,DEPT FAMILY MED,KNOXVILLE,TN 37920, USA. OI Dwyer, Johanna/0000-0002-0783-1769 NR 15 TC 72 Z9 77 U1 1 U2 2 PU AMER DIETETIC ASSOC PI CHICAGO PA 216 W JACKSON BLVD #800, CHICAGO, IL 60606-6995 SN 0002-8223 J9 J AM DIET ASSOC JI J. Am. Diet. Assoc. PD FEB PY 1992 VL 92 IS 2 BP 163 EP 167 PG 5 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HC897 UT WOS:A1992HC89700009 PM 1737899 ER PT J AU KREBSSMITH, SM CRONIN, FJ HAYTOWITZ, DB COOK, DA AF KREBSSMITH, SM CRONIN, FJ HAYTOWITZ, DB COOK, DA TI FOOD SOURCES OF ENERGY, MACRONUTRIENTS, CHOLESTEROL, AND FIBER IN DIETS OF WOMEN SO JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION LA English DT Article AB Data from the 1985 Continuing Survey of Food Intakes by Individuals were used to calculate the contributions of individual foods to women's intakes of energy, protein, carbohydrate, fat, saturated fatty acids, cholesterol, and fiber. We separated nearly all food mixtures into their constituent ingredients, grouped the ingredients together with similar foods, and examined the contributions of those foods. Yeast breads that were neither whole grain nor higher fiber contributed about 7% of the energy to the diets, which made them the leading source of energy of the foods we examined. The leading sources of protein were animal products: poultry contributed approximately 12%, beef contributed about 19%, cheese contributed about 89%, and pork contributed about 6%. The various fats and oils were the greatest contributors to fat, and cheese was the chief source of saturated fatty acids. Eggs were the major source of cholesterol; they provided around 36% of the total. Two of the top three sources of carbohydrate-regular soft drinks and sugar-are composed entirely of simple sugars. Potatoes provided around 11% of the fiber, which made them the leading source of fiber. This article shows that the relative ranking of foods and the contribution of each food depend on the way food codes are combined. Therefore, citing one food as the major source of a particular food component without including documentation of how foods are combined can be misleading. C1 USDA,HUMAN NUTR INFORMAT SERV,HYATTSVILLE,MD 20782. RP KREBSSMITH, SM (reprint author), NCI,DIV CANC PREVENT & CONTROL,BETHESDA,MD 20892, USA. NR 8 TC 33 Z9 33 U1 0 U2 1 PU AMER DIETETIC ASSOC PI CHICAGO PA 216 W JACKSON BLVD #800, CHICAGO, IL 60606-6995 SN 0002-8223 J9 J AM DIET ASSOC JI J. Am. Diet. Assoc. PD FEB PY 1992 VL 92 IS 2 BP 168 EP 174 PG 7 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HC897 UT WOS:A1992HC89700010 PM 1310699 ER PT J AU MEREDITH, CN FRONTERA, WR OREILLY, KP EVANS, WJ AF MEREDITH, CN FRONTERA, WR OREILLY, KP EVANS, WJ TI BODY-COMPOSITION IN ELDERLY MEN - EFFECT OF DIETARY MODIFICATION DURING STRENGTH TRAINING SO JOURNAL OF THE AMERICAN GERIATRICS SOCIETY LA English DT Article ID CROSS-SECTIONAL AREA; SKELETAL-MUSCLE; NITROGEN-BALANCE; PROTEIN-INTAKE; FOOD-INTAKE; YOUNG MEN; ENERGY; AGE; REQUIREMENT; MORPHOLOGY AB Objective: To assess how dietary change affects gain in strength and muscle mass during heavy resistance training of elderly men. Design: Randomized controlled trial. Intervention: During 12 weeks of resistance training of knee extensors and flexors, a daily supplement of 560 +/- 16 kcal/day, (17% energy from protein, 43% from carbohydrate, 40% from fat) was randomly assigned to six men (S) while five men (U) received no supplement. Food intake, strength, whole body composition, and midthigh composition by CT scan were assessed before training and at 6 and 12 weeks. Setting: The men were outpatients but lived in a Metabolic Research Unit during the three assessments. Participants: Eleven healthy men aged 61 to 72 years. Results: Densitometry showed no change over time in fat or fat-free mass. However, the S men increased (P < 0.05) weight, skinfold thickness at six sites, subcutaneous midthigh fat, and creatinine excretion; in all men, changes in these values and in midthigh muscle were proportional to changes in reported energy intake (P < 0.05). There was midthigh muscle hypertrophy in both groups, but it was greater in S than U (P < 0.01). Both groups gained strength (P < 0.001) with no effect of diet. Conclusions: During physical rehabilitation of the elderly, dietary intake may influence the increase in lean as well as adipose tissue without altering strength gain. These preliminary findings should be confirmed by a larger study with sedentary controls. C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,HUMAN PHYSIOL LAB,BOSTON,MA 02111. NR 40 TC 118 Z9 119 U1 1 U2 9 PU WILLIAMS & WILKINS PI BALTIMORE PA 351 WEST CAMDEN ST, BALTIMORE, MD 21201-2436 SN 0002-8614 J9 J AM GERIATR SOC JI J. Am. Geriatr. Soc. PD FEB PY 1992 VL 40 IS 2 BP 155 EP 162 PG 8 WC Geriatrics & Gerontology; Gerontology SC Geriatrics & Gerontology GA HC685 UT WOS:A1992HC68500010 PM 1740600 ER PT J AU KOMANOWSKY, M AF KOMANOWSKY, M TI THERMODYNAMIC ANALYSIS OF THERMAL-DENATURATION OF HIDE AND LEATHER SO JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION LA English DT Article AB Both real (based on mole of collagen) and effective (based on mole of independently melting cooperative regions) thermodynamic parameters of collagen denaturation and the number and size of independently melting cooperative regions can be calculated from data obtained using differential scanning calorimetry (DSC). DSC studies of hide collagen and chrome-tanned leather with varied water content were used to validate the following assumptions: (1) the length and number of independently melting cooperative regions are related to the distance between the number of high-charge-density domains known to exist in collagen; (2) enhanced electrostatic interactions in these high-charge density domains stabilize the collagen triple helix leading to a decreased number of domains and higher melting temperatures. For hide collagen, the number of independently melting cooperative regions found was 52, in close agreement with the 57 bands observed by electron microscopy in positively stained native collagen fibrils. Chrome tanning reduced the number of regions found by DSC to 19. Air drying of hide had the same effect as tannin- probably due to enhanced electrostatic interactions in the absence of water. Lyophilized hide, adjusted to 20% moisture content, had 15 and chrome-tanned leather at the same moisture content had 10 independently melting regions. Application to leather processing is discussed. RP KOMANOWSKY, M (reprint author), USDA ARS,EASTERN REG RES CTR,600 E MERMAID LANE,PHILADELPHIA,PA 19118, USA. NR 29 TC 13 Z9 14 U1 1 U2 1 PU AMER LEATHER CHEMISTS ASSN PI CINCINNATI PA ROOM 5 CAMPUS STATION-14 TANNER RES LAB, CINCINNATI, OH 45221 SN 0002-9726 J9 J AM LEATHER CHEM AS JI J. Am. Leather Chem. Assoc. PD FEB PY 1992 VL 87 IS 2 BP 52 EP 70 PG 19 WC Chemistry, Applied; Materials Science, Textiles SC Chemistry; Materials Science GA HX211 UT WOS:A1992HX21100002 ER PT J AU NEFF, WE SELKE, E MOUNTS, TL RINSCH, W FRANKEL, EN ZEITOUN, MAM AF NEFF, WE SELKE, E MOUNTS, TL RINSCH, W FRANKEL, EN ZEITOUN, MAM TI EFFECT OF TRIACYLGLYCEROL COMPOSITION AND STRUCTURES ON OXIDATIVE STABILITY OF OILS FROM SELECTED SOYBEAN GERMPLASM SO JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY LA English DT Article DE HEADSPACE ANALYSIS OF VOLATILES; LINOLEIC ACID; LINOLENIC ACID; OLEIC ACID; OXIDATIVE STABILITY; SOYBEAN OIL REVERSION; SOYBEAN OIL VOLATILES; STEREOSPECIFIC ANALYSIS; TRIACYLGLYCEROLS ID PERFORMANCE LIQUID-CHROMATOGRAPHY; FATTY-ACID COMPOSITION; POLYUNSATURATED TRIACYLGLYCEROLS; VEGETABLE-OILS; GAS-CHROMATOGRAPHY; LIPID OXIDATION; AUTOXIDATION; HYDROGENATION; TRIGLYCERIDE; LINOLEATE AB The oxidative stability of soybean oil triacylglycerols was studied with respect to composition and structure. Crude soybean oils of various fatty acid and triacylglycerol composition, hexane-extracted from ground beans, were chromatographed to remove non-triacylglycerol components. Purified triacylglycerols were oxidized at 60-degrees-C, in air, in the dark. The oxidative stability or resistance of the substrate to reaction with oxygen was measured by determination of peroxide value and headspace analysis of volatiles of the oxidized triacylglycerols (at less than 1% oxidation). The correlation coefficients (r) for rates of peroxide formation (r = 0.85) and total headspace volatiles (r = 0.87) were related positively to oxidizability. Rate of peroxide formation showed a positive correlation with average number of double bonds (r = 0.81), linoleic acid (r = 0.63), linolenic acid (r = 0.85). Rate of peroxide formation also showed a positive correlation with linoleic acid (r = 0.72) at the 2-position of the glycerol moiety. A negative correlation was observed between rate of peroxide formation and oleic acid (r = -0.82). Resistance of soybean triacylglycerols to reaction with oxygen was decreased by linolenic (r = 0.87) and increased by oleic acid (r = -0.76)-containing triacylglycerols. Volatile formation was increased by increased concentration of linolenic acid at exterior glycerol carbons 1,3 and by linoleic acid at the interior carbon 2. Headspace analysis of volatiles and high-performance liquid chromatography of hydroperoxides indicated that as oxidation proceeded there was a slight decrease in the linolenic acid-derived hydroperoxides and an increase in the linoleic acid-derived hydroperoxides. The oxidative stability of soybean oil triacylglycerols with respect to composition and structure is of interest to the development of soybean varieties with oils of improved odor and flavor stability. C1 USDA ARS,NATL CTR AGR UTILIZAT RES,FOOD QUAL & SAFETY RES,PEORIA,IL 61604. RI Frankel, Edwin/G-1200-2011 NR 50 TC 92 Z9 93 U1 1 U2 15 PU AMER OIL CHEMISTS SOC PI CHAMPAIGN PA 1608 BROADMOOR DRIVE, CHAMPAIGN, IL 61821-0489 SN 0003-021X J9 J AM OIL CHEM SOC JI J. Am. Oil Chem. Soc. PD FEB PY 1992 VL 69 IS 2 BP 111 EP 118 DI 10.1007/BF02540559 PG 8 WC Chemistry, Applied; Food Science & Technology SC Chemistry; Food Science & Technology GA HE408 UT WOS:A1992HE40800003 ER PT J AU FOGLIA, TA SILBERT, LS AF FOGLIA, TA SILBERT, LS TI PEROXIDE SYNTHESIS FROM ALKYL-HALIDES, ALCOHOLS AND ALKENES SO JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY LA English DT Article DE HPLC; HYDROPEROXIDES; ORGANOMERCURIALS; OXYGENATION; PEROXIDES; SUPEROXIDE; TRIFLATES ID OXIDE TETRAFLUOROBORIC ACID; SUPEROXIDE AB New improved methods of peroxide synthesis have been developed along with advances in peroxide analyses. Hydroperoxides were obtained by one of three methods: i) perhydrolysis of alkyl mercury tetrafluoroborates (RHgBF4); ii) perhydrolysis of alkyl trifluoromethanesulfonates (triflates, ROSO2CF3); and iii) photooxygenation of unsaturated fatty esters (methyl oleate) with sensitizer in a phase transfer catalysis (PTC) system. Dialkyl peroxides also were prepared by three methods: hydroperoxidation of the mercury and trilfate intermediates and an innovation of the reaction of superoxide anion with alkyl halides in a PTC system. Chromatographic-gas-liquid chromatography (GLC) and high-performance liquid chromatography (HPLC)-methods were examined in detail for compositional analysis of hydroperoxides and dialkyl peroxides in reaction mixtures and for purity determinations. Dialkyl peroxides were further analyzed by an improved rapid iodometric method by using strong non-oxidizing acid (HCLO4) and iron catalysis. RP FOGLIA, TA (reprint author), USDA ARS,EASTERN REG RES CTR,PHILADELPHIA,PA 19118, USA. NR 20 TC 6 Z9 6 U1 0 U2 1 PU AMER OIL CHEMISTS SOC PI CHAMPAIGN PA 1608 BROADMOOR DRIVE, CHAMPAIGN, IL 61821-0489 SN 0003-021X J9 J AM OIL CHEM SOC JI J. Am. Oil Chem. Soc. PD FEB PY 1992 VL 69 IS 2 BP 151 EP 154 DI 10.1007/BF02540566 PG 4 WC Chemistry, Applied; Food Science & Technology SC Chemistry; Food Science & Technology GA HE408 UT WOS:A1992HE40800010 ER PT J AU SCHWARTZ, DP RADY, AH AF SCHWARTZ, DP RADY, AH TI QUANTITATION AND OCCURRENCE OF HYDROXY FATTY-ACIDS IN FATS AND OILS SO JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY LA English DT Article DE ALUMINA FRACTIONATION; PYRUVIC ACID CHLORIDE 2,6-DINITROPHENYLHYDRAZONE; TRIETHYLENEDIAMINE AB A relatively simple method is detailed for the routine quantitation and isolation of hydroxy fatty acids (HFA) in the glycerides of lipids. The lipid in cyclohexane is transmethylated in a two-phase, 3.5 min procedure, and the hydroxyl compounds in the methyl ester fraction are derivatized with pyruvic acid chloride 2,6-dinitrophenyl-hydrazone in the presence of triethylenediamine. The derivatives are fractionated on alumina, and the HFA fraction is evaluated spectrophotometrically. A large variety of animal, plant and marine lipids contain HFA in concentrations ranging from < 10 to > 1000-mu-moles/g lipid. The derivatives lend themselves admirably to purification techniques. A procedure for regenerating the parent HFA from the derivative is described. RP SCHWARTZ, DP (reprint author), USDA ARS,EASTERN REG RES CTR,600 E MERMAID LANE,PHILADELPHIA,PA 19118, USA. NR 15 TC 9 Z9 9 U1 2 U2 2 PU AMER OIL CHEMISTS SOC PI CHAMPAIGN PA 1608 BROADMOOR DRIVE, CHAMPAIGN, IL 61821-0489 SN 0003-021X J9 J AM OIL CHEM SOC JI J. Am. Oil Chem. Soc. PD FEB PY 1992 VL 69 IS 2 BP 170 EP 173 DI 10.1007/BF02540570 PG 4 WC Chemistry, Applied; Food Science & Technology SC Chemistry; Food Science & Technology GA HE408 UT WOS:A1992HE40800014 ER PT J AU PAN, IC AF PAN, IC TI AFRICAN SWINE FEVER VIRUS - GENERATION OF SUBPOPULATIONS WITH ALTERED IMMUNOGENICITY AND VIRULENCE FOLLOWING PASSAGE IN CELL-CULTURES SO JOURNAL OF VETERINARY MEDICAL SCIENCE LA English DT Article DE AFRICAN SWINE FEVER VIRUS; CYTOPLASMIC DNA VIRUS; MODULATION OF VIRUS POPULATION; VIRULENCE AND IMMUNOGENICITY ID MONKEY KIDNEY-CELLS; DIVERSITY; DNA AB Virus subpopulations with variable virulence, immunogenicity, and infectivity to pigs were readily generated by passaging Tengani isolate of African swine fever virus, either biologically cloned or uncloned, in Vero cell cultures. Avirulent virus populations which account for more than 99% of virus in an uncloned preparation of the 27th passage are laboratory artefacts, perhaps do not exist in nature. Furthermore, attenuation of virulence did not occur uniformly in all subpopulations newly generated, and a continuous modulation of virus populations differing in immunogenicity and virulence took place in the same individuals inoculated with the 27th passage virus. The same virus preparation, appearing to be slightly virulent in pigs, contained at least a virulent subpopulation that was manifested only by further inoculating susceptible pigs with viremic blood collected at various times during the clinical course. A cloned virus after 23 passages in cell cultures generated a subpopulation (99.9%) which induced subclinical infection in pigs; however, the infection did not confer a solid immunity to homologous challenge with Tengani isolate in these pigs. The Tengani isolate contained subpopulations of virus with immunogenicities shared by the Lisbon '60 isolate and also contained at least one subpopulation specific for the Tengani only. C1 USDA ARS,NAA,PLUM ISL ANIM DIS CTR,NEW YORK,NY 11944. NR 34 TC 6 Z9 6 U1 0 U2 1 PU JAPAN SOC VET SCI PI TOKYO PA UNIV TOKYO, 1-1-1 YAYOI, BUNKYO-KU, TOKYO 103, JAPAN SN 0916-7250 J9 J VET MED SCI JI J. Vet. Med. Sci. PD FEB PY 1992 VL 54 IS 1 BP 43 EP 52 PG 10 WC Veterinary Sciences SC Veterinary Sciences GA HF673 UT WOS:A1992HF67300008 PM 1558888 ER PT J AU CARPENTER, S MILLER, LD ALEXANDERSEN, S WHETSTONE, CA VANDERMAATEN, MJ VIUFF, B WANNEMUEHLER, Y MILLER, JM ROTH, JA AF CARPENTER, S MILLER, LD ALEXANDERSEN, S WHETSTONE, CA VANDERMAATEN, MJ VIUFF, B WANNEMUEHLER, Y MILLER, JM ROTH, JA TI CHARACTERIZATION OF EARLY PATHOGENIC EFFECTS AFTER EXPERIMENTAL-INFECTION OF CALVES WITH BOVINE IMMUNODEFICIENCY-LIKE VIRUS SO JOURNAL OF VIROLOGY LA English DT Article ID MINK DISEASE PARVOVIRUS; BIOLOGICALLY-ACTIVE PROVIRUSES; LYMPH-NODE HISTOLOGY; NUCLEOTIDE-SEQUENCE; ANEMIA VIRUS; HYBRIDIZATION PROBES; INSITU HYBRIDIZATION; VIRAL REPLICATION; MOLECULAR-CLONING; ALEUTIAN DISEASE AB The early pathogenic effects of bovine immunodeficiency-like virus (BIV) were studied in calves experimentally inoculated with BIV. All animals inoculated with BIV R29-infected cells seroconverted by 6 weeks postinoculation, and BIV was recoverable from each animal at 2 weeks postinoculation. However, levels of BIV replication in vivo appeared to be low. In situ hybridization studies indicated that during peak periods of viral replication in vivo, less than 0.03% of peripheral blood mononuclear cells were expressing detectable levels of viral RNA. Moreover, the levels of viral RNA in these cells in vivo were less than 1/10 the levels observed in persistently infected cells in vitro. BIV-inoculated calves had significantly higher numbers of circulating lymphocytes, and follicular hyperplasia was observed in lymph nodes, hemal nodes, and spleen. The histopathological changes observed in BIV-infected calves were similar to changes found early after infection with the immunosuppressive lentiviruses, including human immunodeficiency virus type 1. C1 IOWA STATE UNIV SCI & TECHNOL,COLL VET MED,DEPT VET PATHOL,AMES,IA 50011. USDA ARS,NATL ANIM DIS CTR,AMES,IA 50010. RP CARPENTER, S (reprint author), IOWA STATE UNIV SCI & TECHNOL,COLL VET MED,DEPT MICROBIOL IMMUNOL & PREVENT MED,AMES,IA 50011, USA. RI Roth, James/A-7122-2009; OI Roth, James/0000-0003-3562-668X; Alexandersen, Soren/0000-0002-5039-3178 FU NCI NIH HHS [CA50159] NR 44 TC 111 Z9 113 U1 0 U2 0 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0022-538X J9 J VIROL JI J. Virol. PD FEB PY 1992 VL 66 IS 2 BP 1074 EP 1083 PG 10 WC Virology SC Virology GA GY965 UT WOS:A1992GY96500053 PM 1309889 ER PT J AU BECKER, BA NIWANO, Y JOHNSON, HD AF BECKER, BA NIWANO, Y JOHNSON, HD TI PHYSIOLOGICAL AND IMMUNE-RESPONSES ASSOCIATED WITH 48-HOUR FAST OF PIGS SO LABORATORY ANIMAL SCIENCE LA English DT Article ID LYMPHOCYTES AB We sought to determine the effect of 48 hours of fasting on physiologic and immune responses of pigs. Sixteen crossbred barrows, approximately 8 weeks of age, were housed in a controlled environment (21-degrees-C, 45% RH) with feed and water ad libitum. After 10 days, eight pigs were fasted for 48 hours with water available ad libitum; the remaining eight received feed and water ad libitum. Blood samples were obtained by venipuncture before fasting, at the end of 48-hour fasting, and 3 and 10 days later. No significant differences in responses to mitogens PHA or Con A were noted in whole blood or isolated lymphocyte cultures. Changes in numbers of leukocytes, neutrophils, and serum cortisol concentrations, but not of lymphocytes, were significant. The results suggested that short-term fasting transiently reduces the number of neutrophils and increases serum cortisol concentrations, with no effect on blastogenic responses of lymphocytes to selected mitogens. C1 NIHON NOHYAKU CO,INST LIFE SCI RES,OSAKA,JAPAN. UNIV MISSOURI,DEPT ANIM SCI,COLUMBIA,MO 65201. RP BECKER, BA (reprint author), USDA,ARS,ANIM PHYSIOL UNIT,COLUMBIA,MO 65201, USA. NR 8 TC 16 Z9 16 U1 1 U2 5 PU AMER ASSOC LABORATORY ANIMAL SCIENCE PI CORDOVA PA 70 TIMBERCREEK DR, SUITE 5, CORDOVA, TN 38018 SN 0023-6764 J9 LAB ANIM SCI JI Lab. Anim. Sci. PD FEB PY 1992 VL 42 IS 1 BP 51 EP 53 PG 3 WC Veterinary Sciences; Zoology SC Veterinary Sciences; Zoology GA HL965 UT WOS:A1992HL96500008 PM 1316509 ER PT J AU PATTERSON, GW GLADU, PK WIKFORS, GH LUSBY, WR AF PATTERSON, GW GLADU, PK WIKFORS, GH LUSBY, WR TI UNUSUAL TETRAENE STEROLS IN SOME PHYTOPLANKTON SO LIPIDS LA English DT Note ID CRASSOSTREA-VIRGINICA; LIPID-COMPOSITION; CUCUMIS-SATIVUS; (24R)-14-ALPHA-METHYL-24-ETHYL-5-ALPHA-CHOLEST-9(11)-EN-3-BETA-OL; 14-ALPHA-METHYLSTEROL; OYSTER; GROWTH; MARINE; ALGA AB Sterols were analyzed from four phytoplankton strains which are under investigation as possible sources of food for oysters in culture. One strain of Pyramimonas contained only 24-methylenecholesterol as a major sterol component. Pyramimonas grossii, Chlorella autotrophica and Dunaliella tertiolecta each contained a complex mixture of C28 and C29 sterols with DELTA 7, DELTA 5,7 and DELTA 5,7,9(11) nuclear double bond systems. Sterols were found both with and without the C-22 side chain double bond. Ergosterol and 7-dehydroporiferasterol were the principal sterols in each of the latter three species, which also contained the rare tetraene sterols, 24-methylcholesta-5,7,9(11),22-tetraen-3-beta-ol and 24-ethylcholesta-5,7,9(11),22-tetraen-3-beta-ol. C1 LINDSEY WILSON COLL,DEPT BIOL,COLUMBIA,KY 42728. NOAA,NATL MARINE FISHERIES SERV,NE FISHERIES CTR,MILFORD,CT 06460. USDA ARS,BELTSVILLE AGR RES CTR,INSECT NEUROBIOL & HORMONE LAB,BELTSVILLE,MD 20705. RP PATTERSON, GW (reprint author), UNIV MARYLAND,DEPT BOT,COLLEGE PK,MD 20742, USA. NR 27 TC 9 Z9 9 U1 0 U2 3 PU AMER OIL CHEMISTS SOC PI CHAMPAIGN PA 1608 BROADMOOR DRIVE, CHAMPAIGN, IL 61821-0489 SN 0024-4201 J9 LIPIDS JI Lipids PD FEB PY 1992 VL 27 IS 2 BP 154 EP 156 DI 10.1007/BF02535817 PG 3 WC Biochemistry & Molecular Biology; Nutrition & Dietetics SC Biochemistry & Molecular Biology; Nutrition & Dietetics GA HD824 UT WOS:A1992HD82400013 ER PT J AU LAVINE, BK CARLSON, DA CALKINS, CO AF LAVINE, BK CARLSON, DA CALKINS, CO TI CLASSIFICATION OF TEPHRITID FRUIT-FLY LARVAE BY GAS-CHROMATOGRAPHY PATTERN-RECOGNITION TECHNIQUES SO MICROCHEMICAL JOURNAL LA English DT Article ID SPECIES COMPLEX; IDENTIFICATION; FLIES C1 USDA ARS,INSECTS AFFECTING MAN & ANIM RES LAB,GAINESVILLE,FL 32604. USDA ARS,INSECT ATTRACTANTS BEHAV & BASIC BIOL RES LAB,GAINESVILLE,FL 32604. RP LAVINE, BK (reprint author), CLARKSON UNIV,DEPT CHEM,POTSDAM,NY 13676, USA. NR 13 TC 9 Z9 9 U1 0 U2 2 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0026-265X J9 MICROCHEM J JI Microchem J. PD FEB PY 1992 VL 45 IS 1 BP 50 EP 57 DI 10.1016/0026-265X(92)90070-J PG 8 WC Chemistry, Analytical SC Chemistry GA HC529 UT WOS:A1992HC52900004 ER PT J AU SHAMAY, A PURSEL, VG WALL, RJ HENNIGHAUSEN, L AF SHAMAY, A PURSEL, VG WALL, RJ HENNIGHAUSEN, L TI INDUCTION OF LACTOGENESIS IN TRANSGENIC VIRGIN PIGS - EVIDENCE FOR GENE AND INTEGRATION SITE-SPECIFIC HORMONAL-REGULATION SO MOLECULAR ENDOCRINOLOGY LA English DT Article ID WHEY ACIDIC PROTEIN; MAMMARY EXPLANTS; FAT SYNTHESIS; BOVINE; PROLACTIN; CASEIN; OVINE; RNA; PROGESTERONE; SECRETION AB Five month-old transgenic female pigs from three lines carrying the mouse whey acidic protein (WAP) gene and nontransgenic female littermates were implanted with slow-release estrogen and progesterone pellets. Histological analysis of biopsies taken at the time of implantation and 4 weeks later revealed that mammary alveolar development had occurred upon hormonal stimulation in vivo. Beta-Casein and beta-lactoglobulin mRNA was found in all induced animals, and WAP mRNA was detected in two of the three transgenic pigs. Differential hormonal regulation between the transgenes in the three lines and also between endogenous milk protein genes was observed in induced mammary tissue cultured in vitro. In the presence of insulin, hydrocortisone, and PRL, beta-casein and WAP mRNA levels increased in all transgenic pigs. In contrast, beta-lactoglobulin mRNA had reached or exceeded lactational levels in response to the in vivo induction, and no further increase was observed in vitro. This suggests that the regulation of the beta-lactoglobulin gene is distinct from that of beta-casein and WAP. Differences were also observed during pregnancy; whereas beta-lactoglobulin gene expression was induced in early pregnancy, a time when PRL levels are low, WAP mRNA levels increased sharply around parturition. Finally, the observation that hormonal regulation of WAP transgenes greatly differed between the three lines suggests that chromatin surrounding the integration site can modify the response of transcription elements. C1 NIDDKD,BIOCHEM & METAB LAB,BLDG 10,ROOM 9N113,BETHESDA,MD 20892. USDA ARS,BELTSVILLE,MD 20725. NR 17 TC 21 Z9 22 U1 0 U2 0 PU ENDOCRINE SOC PI BETHESDA PA 4350 EAST WEST HIGHWAY SUITE 500, BETHESDA, MD 20814-4110 SN 0888-8809 J9 MOL ENDOCRINOL JI Mol. Endocrinol. PD FEB PY 1992 VL 6 IS 2 BP 191 EP 197 DI 10.1210/me.6.2.191 PG 7 WC Endocrinology & Metabolism SC Endocrinology & Metabolism GA HH583 UT WOS:A1992HH58300005 PM 1569963 ER PT J AU RILEY, RT RICHARD, JL AF RILEY, RT RICHARD, JL TI FUMONISINS - A CURRENT PERSPECTIVE AND VIEW TO THE FUTURE - INTRODUCTION SO MYCOPATHOLOGIA LA English DT Editorial Material C1 USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. RP RILEY, RT (reprint author), RICHARD B RUSSELL RES CTR,ATHENS,GA, USA. NR 0 TC 19 Z9 20 U1 0 U2 1 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 1 EP 1 DI 10.1007/BF00497271 PG 1 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100001 ER PT J AU PLATTNER, RD SHACKELFORD, DD AF PLATTNER, RD SHACKELFORD, DD TI BIOSYNTHESIS OF LABELED FUMONISINS IN LIQUID CULTURES OF FUSARIUM-MONILIFORME SO MYCOPATHOLOGIA LA English DT Article DE FUMONISINS; FUSARIUM-MONILIFORME ID LEUKOENCEPHALOMALACIA; HEPATOTOXICITY; MYCOTOXINS; TOXICITY; RATS AB Fumonisins were readily produced in cultures of Fusarium moniliforme using a defined liquid medium. Addition of 200 mg of d3-methyl L-methionine to 100-ml cultures of F. moniliforme gave increased overall yields and high levels of deuterium (H-2) incorporation into fumonisin B1. Approximately 90% of the resulting fumonisin B1 contained 6 deuterium atoms, while 9% of the product contained 3 deuterium atoms. Deuterium was shown to be incorporated exclusively in the methyl groups of the fumonisin backbone. The addition of as little as 5 mg of labeled methionine stimulated fumonisin production, but only about 5% of the fumonisin produced contained 3 deuterium atoms. RP PLATTNER, RD (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,BIOACT CONSTITUENTS RES UNIT,PEORIA,IL 61604, USA. NR 16 TC 47 Z9 49 U1 1 U2 1 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 17 EP 22 DI 10.1007/BF00497274 PG 6 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100004 PM 1513369 ER PT J AU PLATTNER, RD WEISLEDER, D SHACKELFORD, DD PETERSON, R POWELL, RG AF PLATTNER, RD WEISLEDER, D SHACKELFORD, DD PETERSON, R POWELL, RG TI A NEW FUMONISIN FROM SOLID CULTURES OF FUSARIUM-MONILIFORME SO MYCOPATHOLOGIA LA English DT Article DE FUMONISINS; FUSARIUM-MONILIFORME ID LEUKOENCEPHALOMALACIA; MYCOTOXINS AB A new fumonisin has been isolated from Fusarium moniliforme isolate MRC826 grown on corn. It was shown by NMR and mass spectrometry to be an isomer of fumonisin B2 that has free hydroxyl groups at C-3 and C-10 instead of the normal C-3 and C-5. This new fumonisin was detected in cultures of most isolates of F. moniliforme that were examined and was usually present at concentrations similar to those of fumonisin B2. Two isolates of F. moniliforme that produce significantly higher levels of this new isomer were identified. RP PLATTNER, RD (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,BIOACT CONSTITUENTS RES UNIT,PEORIA,IL 61604, USA. NR 13 TC 63 Z9 66 U1 0 U2 0 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 23 EP 28 DI 10.1007/BF00497275 PG 6 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100005 PM 1513370 ER PT J AU LESLIE, JF DOE, FJ PLATTNER, RD SHACKELFORD, DD JONZ, J AF LESLIE, JF DOE, FJ PLATTNER, RD SHACKELFORD, DD JONZ, J TI FUMONISIN B-1 PRODUCTION AND VEGETATIVE COMPATIBILITY OF STRAINS FROM GIBBERELLA-FUJIKUROI MATING POPULATION A (FUSARIUM-MONILIFORME) SO MYCOPATHOLOGIA LA English DT Article DE FUMONISIN B-1; GIBBERELLA-FUJIKUORI; FUSARIUM-MONILIFORME ID EQUINE LEUKOENCEPHALOMALACIA; NEUROSPORA; CORN; INCOMPATIBILITY; HETEROKARYOSIS; NOMENCLATURE; OXYSPORUM; VARIETIES; TOXICITY; MUTANTS AB We examined 25 strains of Fusarium moniliforme from eight states known to be associated with equine leukoencephalomalacia, a disease caused by the mycotoxin fumonisin B1. We determined the mating population, mating type, and vegetative compatibility group to which each of these strains belonged. All 25 strains were in the 'A' mating population; 12 were A+ and 13 were A-. Seventeen of the 25 strains were female fertile; these strains also averaged higher levels of fumonisin B1 production than did the strains that were female sterile. Nitrate non-utilizing (nit) mutants were generated in all 25 strains and each strain was assigned to a unique vegetative compatibility group based on the inability of the derived nit mutants to form a prototrophic heterokaryon with complementary nit mutants derived from any of the other strains examined. From these data, we concluded that the production of fumonisin B1 is a general characteristic of strains from the 'A' mating population of Gibberella fujikuroi associated with equine leukoencephalomalacia, since all 25 of the isolates that we examined were genetically distinct individuals. C1 UNIV DALLAS,DEPT BIOL,IRVING,TX 75062. USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. RP LESLIE, JF (reprint author), KANSAS STATE UNIV AGR & APPL SCI,DEPT PLANT PATHOL,THROCKMORTON HALL,MANHATTAN,KS 66506, USA. NR 71 TC 56 Z9 56 U1 0 U2 2 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 37 EP 45 DI 10.1007/BF00497277 PG 9 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100007 PM 1513373 ER PT J AU MIROCHA, CJ GILCHRIST, DG SHIER, WT ABBAS, HK WEN, Y VESONDER, RF AF MIROCHA, CJ GILCHRIST, DG SHIER, WT ABBAS, HK WEN, Y VESONDER, RF TI AAL TOXINS, FUMONISINS (BIOLOGY AND CHEMISTRY) AND HOST-SPECIFICITY CONCEPTS SO MYCOPATHOLOGIA LA English DT Article DE FUMONISIN; AAL TOXIN; HOST-SPECIFIC; FUSARIUM-MONILIFORME; ALTERNARIA-ALTERNATA F-SP LYCOPERSICI ID F-SP-LYCOPERSICI; TOMATO AB The AAL toxins and the fumonisins (FB1 and FB2) are structurally related and produced respectively by Alternaria alternata f.sp. lycopersici and Fusarium moniliforme. AAL toxin is characterized as a host-specific toxin, toxic to tomato, whereas fumonisin B1 causes equine leukoencephalomalacia. FB1 and FB2 were biologically active in susceptible tomato tissue (Earlypak-7) and animal tissue culture (rat hepatoma H4TG and dog kidney MDCK). Conversely, AAL toxin was also active in the rat and dog tissue culture cells. Both fungi produce toxin/s in culture that cause death in rats; these toxins are other than AAL and fumonisin. The peracetylated derivatives of AAL and FB1 are biologically inactive in both the tomato bioassay and the animal tissue culture systems. Acetylation of the amine renders AAL inactive. The hydrolysis product of AAL (pentolamine) is toxic to the susceptible tomato line whereas the pentolamine of fumonisin is not. AAL and FB1 can be analyzed by Continuous Flow Fast Atom Bombardment (CFFAB) and Ionspray Mass Spectrometry (ISM), both sensitive to the picomole range. The N-acetyl of the TFA hydrolysis product of AAL and FB1 is determined by comparing the fragment ions at m/z 86 and 140 for FB1 and 72 and 126 for AAL. C1 UNIV CALIF DAVIS,DEPT PLANT PATHOL,DAVIS,CA 95616. USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. UNIV MINNESOTA,DEPT MED CHEM,MINNEAPOLIS,MN 55455. RP MIROCHA, CJ (reprint author), UNIV MINNESOTA,DEPT PLANT PATHOL,ST PAUL,MN 55108, USA. NR 15 TC 52 Z9 55 U1 0 U2 2 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 47 EP 56 DI 10.1007/BF00497278 PG 10 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100008 PM 1513374 ER PT J AU BACON, CW WILLIAMSON, JW AF BACON, CW WILLIAMSON, JW TI INTERACTIONS OF FUSARIUM-MONILIFORME, ITS METABOLITES AND BACTERIA WITH CORN SO MYCOPATHOLOGIA LA English DT Article DE REVIEW; FUMONISINS; FUSARIUM-MONILIFORME SHELDON; ZEA-MAYS L; MYCOTOXINS; PHYTOTOXINS ID F-SP-LYCOPERSICI; PLANTS AB Fusarium moniliforme Sheldon is an economically important pathogen of corn (Zea mays L.) which causes stalk, root and ear rot. Several mycotoxins have also been isolated, identified and implicated in both animal and human toxicoses. The fungus can be disseminated in symptomless corn seed and can also survive in crop residues in the soil. Asymptomatic infection may be related to different corn cultivars, fungal strains, and environmental factors. Symptomatic expression of pathogenicity may vary, but usually the result of such infections is death of the plant. The greatest concern is the asymptomatic infection, since it is in this form that fungal toxins may surreptitiously enter animal and human food chains. F. moniliforme produces both fusaric acid, which is phytotoxic to corn and interferes with seed germination, and plant growth regulators that may affect pathogenicity of the fungus or be associated with the production of mycotoxins. Other metabolites, including fusarin C, moniliformin, and the fumonisins, may or may not be phytotoxic, but are associated with animal and human toxicoses. The control of F. moniliforme in corn is therefore quite important. One potential means to accomplish this reduction is biocontrol by the application of antagonistic rhizobacteria to corn kernels at planting. To be effective the bacteria must be able to colonize the corn root system and be able to prevent root infection by successful competing with F. moniliforme which may be accomplished by siderophore and or antibiotic activity. RP BACON, CW (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,TOXICOL & MYCOTOXIN RES UNIT,POB 5677,ATHENS,GA 30613, USA. NR 24 TC 42 Z9 44 U1 0 U2 1 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 65 EP 71 DI 10.1007/BF00497280 PG 7 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100010 ER PT J AU NORRED, WP WANG, E YOO, H RILEY, RT MERRILL, AH AF NORRED, WP WANG, E YOO, H RILEY, RT MERRILL, AH TI INVITRO TOXICOLOGY OF FUMONISINS AND THE MECHANISTIC IMPLICATIONS SO MYCOPATHOLOGIA LA English DT Article DE FUMONISINS; SPHINGOLIPIDS; PRIMARY HEPATOCYTES; RENAL CELLS ID PROTEIN-KINASE-C; ESOPHAGEAL CANCER AREAS; FUSARIUM-MONILIFORME; LEUCOENCEPHALOMALACIA; LEUKOENCEPHALOMALACIA; SPHINGOSINE; MYCOTOXINS; TRANSKEI; AGENT; CHINA AB The effects of fumonisins B1(FB1), B2(FB2), and the backbone of fumonisin B1 remaining after hydrolysis of the tricarballylic groups with base (HFB1) on sphingolipid biosynthesis were studied in both primary rat hepatocytes and pig kidney epithelial cells (LLC-PK1). Fumonisins were potent inhibitors of sphingolipid biosynthesis in hepatocytes (IC50 of FB1 = 0.1-mu-M), but overt toxicity was not observed. In renal cells, fumonisins also inhibited sphingosine biosynthesis (IC50 for FB1 = 35-mu-M), and caused decreased cell proliferation as well. Higher doses (greater-than-or-equal-to 70-mu-M) killed renal cells after exposure for 3 days. The inhibition of de novo sphingolipid biosynthesis was specific, and appeared to be at the site of ceramide synthase, which catalyzes the formation of dihydroceramide or ceramide by the addition of the amide-linked fatty acid to sphinganine or sphingosine. These results may account for the ability of fumonisins to cause equine leucoencephalomalacia and to promote tumor formation. C1 EMORY UNIV, SCH MED, DEPT BIOCHEM, ATLANTA, GA 30322 USA. RP USDA ARS, RICHARD B RUSSELL AGR RES CTR, TOXICOL & MYCOTOXIN RES UNIT, POB 5677, ATHENS, GA 30613 USA. NR 31 TC 89 Z9 93 U1 0 U2 2 PU SPRINGER PI DORDRECHT PA VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS SN 0301-486X EI 1573-0832 J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 73 EP 78 DI 10.1007/BF00497281 PG 6 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100011 PM 1513375 ER PT J AU HASCHEK, WM MOTELIN, G NESS, DK HARLIN, KS HALL, WF VESONDER, RF PETERSON, RE BEASLEY, VR AF HASCHEK, WM MOTELIN, G NESS, DK HARLIN, KS HALL, WF VESONDER, RF PETERSON, RE BEASLEY, VR TI CHARACTERIZATION OF FUMONISIN TOXICITY IN ORALLY AND INTRAVENOUSLY DOSED SWINE SO MYCOPATHOLOGIA LA English DT Article DE FUMONISIN; FUSARIUM-MONILIFORME; SWINE; PULMONARY EDEMA; HEPATOTOXICITY; PANCREATIC INJURY; HISTOLOGY; ULTRASTRUCTURE ID PULMONARY INTRAVASCULAR MACROPHAGES; FUSARIUM-MONILIFORME; SHEEP; RATS; LEUKOENCEPHALOMALACIA; PIGS AB Fumonisin B1 (FB1), a recently identified mycotoxin produced by Fusarium moniliforme in corn, has been shown to cause death in swine due to pulmonary edema, an apparently species specific effect, and to interfere with sphingolipid metabolism in vitro. Here we characterize the toxicity of fumonisins, using female cross-bred swine weighing 6 to 13 kg, and present a hypothesis regarding the mechanism of fumonisin-induced pulmonary edema in swine, FB1 was given daily intravenously (IV) to pig 1 for 9 days for a total of 72 mg (7.9 mg/kg) and to pig 2 for 4 days for a total of 67 mg (4.6 mg/kg). Pig 3 (control) was given saline IV for 9 days. Corn screenings naturally contaminated with FB1 (166 ppm) and FB2 (48 ppm) were fed to pigs 4, 5, and 6, and ground corn was fed to pigs 7 and 8 (controls). Pigs 4 and 7 were killed on day 5; pig 5 was found dead on day 6; and pigs 6 and 8 were killed on day 15. Pigs 4 and 5 had ingested 187 and 176 m total fumonisins, respectively, while pig 6 had ingested 645 mg. Feed consumption had decreased in pigs fed corn screenings, with an additional sharp decrease prior to onset of clinical signs. Increases in serum liver enzymes, total bilirubin, and cholesterol were present, but electrocardiograms, heart rate, and body temperature were unaffected. Pigs dosed IV with FB1, developed mild intermittent respiratory abnormalities. while those fed screenings developed respiratory distress within 5 days. Mild interstitial pulmonary edema was observed in pig 1. Severe interstitial pulmonary edema, pleural effusion, and increased lung wet/dry weight ratio were observed in pigs 4 and 5. All pigs given fumonisin (either IV or orally) had hepatic changes characterized by hepatocyte disorganization and necrosis; pancreatic acinar cell degeneration was also observed. Ultrastructural changes in orally dosed swine included loss of sinusoidal hepatocyte microvilli; membranous material in hepatic sinusoids; and multilamellar bodies in hepatocytes, Kupffer cells, pancreatic acinar cells and pulmonary macrophages. Pulmonary intravascular macrophages (PIMs) contained large amounts of membranous material. Thus, the target organs of fumonisin in the pig are the lung, liver, and pancreas. At lower doses, slowly progressive hepatic disease is the most prominent feature. while at higher doses, acute pulmonary edema is superimposed on hepatic injury and may cause death. We hypothesize that altered sphingolipid metabolism causes hepatocellular damage resulting in release of membranous material into the circulation. This material is phagocytosed by the PIMs thus triggering the release of mediators which ultimately results in pulmonary edema. C1 USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. UNIV ILLINOIS,COLL VET MED,DEPT BIOSCI,URBANA,IL 61801. UNIV ILLINOIS,COLL VET MED,DEPT CLIN SCI,URBANA,IL 61801. RP HASCHEK, WM (reprint author), UNIV ILLINOIS,COLL VET MED,DEPT VET PATHOBIOL,2001 S LINCOLN AVE,URBANA,IL 61801, USA. NR 26 TC 137 Z9 144 U1 1 U2 2 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 83 EP 96 DI 10.1007/BF00497283 PG 14 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100013 PM 1387461 ER PT J AU VOSS, KA NORRED, WP BACON, CW AF VOSS, KA NORRED, WP BACON, CW TI SUBCHRONIC TOXICOLOGICAL INVESTIGATIONS OF FUSARIUM-MONILIFORME-CONTAMINATED CORN, CULTURE MATERIAL, AND AMMONIATED CULTURE MATERIAL SO MYCOPATHOLOGIA LA English DT Article DE FUSARIUM-MONILIFORME; MRC-826; FUMONISINS; TOXICITY; AMMONIATION; DETOXIFICATION ID EQUINE LEUKOENCEPHALOMALACIA; ESOPHAGEAL CANCER; RATS; TOXICITY; LEUCOENCEPHALOMALACIA; HEPATOTOXICITY; FUMONISIN-B1; MYCOTOXINS; TRANSKEI; EXTRACTS AB The fungus Fusarium moniliforme is ubiquitous on corn throughout the world and is a likely co-contaminant on corn infested with aflatoxin-producing Aspergillus flavus. Ammoniation has been used to detoxify aflatoxin-contaminated commodities. To determine the effect of ammoniation on the toxic potential of Fusarium moniliforme, male Sprague-Dawley rats were fed either diets containing 10% sound corn, ammoniated corn, corn culture material of hepatotoxic F. moniliforme strain MRC 826 (CM), or ammoniated CM for four weeks. They were observed for signs of toxicity and hematological, serum chemical and histopathological evaluations were made. Groups of male Balb/c mice were fed diets fortified with 10% sound corn or CM for four weeks and evaluated by serum chemical and histopathological means to determine the suitability of mice as a model species for investigation of F. moniliforme-induced hepatotoxicity. Ammoniation was ineffective for detoxification of the CM. Hepatotoxicity and renal toxicity of CM and ammoniated CM were qualitatively similar, although renal tubular lesions appeared more advanced in rats fed ammoniated CM. Adrenal cortical cellular vacuolation was also found in CM and ammoniated CM-fed rats, while focal seminiferous tubular degeneration and aspermia were found only in the testes of ammoniated CM-fed rats. Fumonisin B1 concentrations of the CM and ammoniated CM diets averaged 99 and 75 ppm, respectively. CM containing 99 ppm fumonisin B1 also produced hepatotoxicity in mice similar to that found in CM-fed rats. Thus, mice may be useful for investigations of F. moniliforme-induced hepatotoxicity. RP VOSS, KA (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,TOXICOL & MYCOTOXIN RES UNIT,POB 5677,ATHENS,GA 30613, USA. NR 43 TC 38 Z9 38 U1 0 U2 0 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 97 EP 104 DI 10.1007/BF00497284 PG 8 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100014 PM 1513377 ER PT J AU ROSS, PF RICE, LG OSWEILER, GD NELSON, PE RICHARD, JL WILSON, TM AF ROSS, PF RICE, LG OSWEILER, GD NELSON, PE RICHARD, JL WILSON, TM TI A REVIEW AND UPDATE OF ANIMAL TOXICOSES ASSOCIATED WITH FUMONISIN-CONTAMINATED FEEDS AND PRODUCTION OF FUMONISINS BY FUSARIUM ISOLATES SO MYCOPATHOLOGIA LA English DT Article DE FUMONISINS; EQUINE LEUKOENCEPHALOMALACIA; PORCINE PULMONARY EDEMA; FUSARIUM-MONILIFORME; FUSARIUM-PROLIFERATUM; ANIMAL FEEDS ID EQUINE LEUKOENCEPHALOMALACIA; NATURAL OCCURRENCE; MONILIFORME; CORN; MYCOTOXINS; TOXICITY; RATS AB During the 1989 corn harvest season, numerous reports of equine leukoencephalomalacia (ELEM) outbreaks and a pulmonary edema (PPE) syndrome in swine from several regions of the United States were received by the National Veterinary Services Laboratories (NVSL), Ames, Iowa. Previous and concurrent research linked Fusarium moniliforme and fumonisin-contaminated feeds to both diseases. Chemical and mycological investigations revealed fumonisin B1 (FB1) concentrations of 20 to 360 ppm in suspect swine feeds and 8 to 117 ppm in suspect equine feeds. Nonproblem feeds contained concentrations below 8 ppm. Fusarium moniliforme and Fusarium proliferatum were isolated from both problem and nonproblem equine and swine feeds. When cultured on autoclaved corn, the F. moniliforme and F. proliferatum isolates produced respective FB1 and fumonisin B2 (FB2) that range from less than 5 to more than 2450 ppm and less than 5 to more than 1000 ppm, respectively. Isolates from both problem and nonproblem feeds produced high levels (greater than 500 ppm) in culture. Reported here is a review of chemical and mycological data resulting from the study of several cases of PPE and ELEM. C1 PENN STATE UNIV,FUSARIUM RES CTR,DEPT PLANT PATHOL,UNIV PK,PA 16802. USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. IOWA STATE UNIV SCI & TECHNOL,COLL VET MED,VET DIAGNOST LAB,AMES,IA 50011. RP ROSS, PF (reprint author), USDA,NATL VET SERV LABS,ANIM & PLANT HLTH INSPECT SERV,AMES,IA 50010, USA. NR 23 TC 163 Z9 168 U1 3 U2 12 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 109 EP 114 DI 10.1007/BF00497286 PG 6 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100016 PM 1513366 ER PT J AU WILSON, TM ROSS, PF OWENS, DL RICE, LG GREEN, SA JENKINS, SJ NELSON, HA AF WILSON, TM ROSS, PF OWENS, DL RICE, LG GREEN, SA JENKINS, SJ NELSON, HA TI EXPERIMENTAL REPRODUCTION OF ELEM - A STUDY TO DETERMINE THE MINIMUM TOXIC DOSE IN PONIES SO MYCOPATHOLOGIA LA English DT Article DE FUMONISINS; EQUINE LEUKOENCEPHALOMALACIA; MYCOTOXINS ID FUSARIUM-MONILIFORME; EQUINE LEUKOENCEPHALOMALACIA; NATURAL OCCURRENCE; CORN; FUMONISIN-B1; MYCOTOXINS; RATS AB An experiment to gain insight into the minimum toxic dose of fumonisins was conducted by feeding ponies rations with known fumonisin concentrations. Naturally contaminated corn screenings (CS) were blended with pellets, corn, and molasses to formulate individual daily diets. One group of 4 ponies was fed a ration with fumonisin B1 (FB1) varying from < 1 ppm to 22 ppm. A second group of 5 ponies was fed a ration at varying rates containing 8 ppm FB1 for 180 days. A panel of clinical chemistry parameters was evaluated twice weekly for both groups. One pony in the first group died of equine leukoencephalomalacia (ELEM) after 225 days of which the final 55 days' diet contained 22 ppm FB1. Approximately 9 days prior to death, this animal experienced elevated liver chemistry values. All 5 ponies in the second group experienced mild, transient, clinical signs; were euthanized at 180 days; and had mild, histopathological brain lesions. RP WILSON, TM (reprint author), USDA,NATL VET SERV LABS,ANIM & PLANT HLTH INSPECT SERV,AMES,IA 50010, USA. NR 16 TC 100 Z9 106 U1 0 U2 2 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0301-486X J9 MYCOPATHOLOGIA JI Mycopathologia PD FEB PY 1992 VL 117 IS 1-2 BP 115 EP 120 DI 10.1007/BF00497287 PG 6 WC Mycology SC Mycology GA HL601 UT WOS:A1992HL60100017 PM 1513368 ER PT J AU VAUGHN, KC LIGRONE, R OWEN, HA HASEGAWA, J CAMPBELL, EO RENZAGLIA, KS MONGENAJERA, J AF VAUGHN, KC LIGRONE, R OWEN, HA HASEGAWA, J CAMPBELL, EO RENZAGLIA, KS MONGENAJERA, J TI THE ANTHOCEROTE CHLOROPLAST - A REVIEW SO NEW PHYTOLOGIST LA English DT Article ID LAEVIS L PROSK; PHAEOCEROS-LAEVIS; HORNWORTS BRYOPHYTA; DIVIDING PLASTIDS; ULTRASTRUCTURE; SPERMATOGENESIS; CARBOXYLASE; INHERITANCE; CYTOLOGY; SPINDLE AB This review covers previous data, together with new information from our laboratories, on the subject of the anthocerote chloroplast. Unlike all other archegoniates, most species of anthocerote have pyrenoids in their chloroplasts. The pyrenoid is the site of accumulation of the first enzyme in the C3 photosynthetic cycle, ribulose bisphosphate carboxylase/oxygenase. Unlike most algae, the hornwort pyrenoid is composed of distinct subunits, numbering up to several hundred. Pyrenoid morphology is quite variable among the genera in shape, fine structure, and distribution of inclusions. Another unique feature of the anthocerote chloroplast is the presence of thylakoids that connect adjacent granal stacks at right angles to the long axis of the granum (so-called channel thylakoids), resulting in a 'spongy' arrangement of the thylakoid system. The granal stacks of anthocerotes are like the 'pseudograna' of green algae because they lack the highly-curved end membranes typical of all other embryophytes. The channel thylakoids are enriched in photosystem (PS) I and the grana are enriched in PS II. The chloroplast envelope is a double membrane structure with regions of appression, much like that of other green plants. The apical cell of the gametophyte contains chloroplasts similar to the mature chloroplasts of the thallus, although certain gametophytic tissues may contain underdeveloped plastids. Chloroplasts in cells around Nostoc colonies and in cells invaded by mycorrhizal fungi have thylakoids mainly in pairs, and small or absent pyrenoids. A number of similarly reduced plastids are noted in the placental cells at the sporophyte/gametophyte junction and in developing spores. The greatest reduction is observed in spermatid cell plastids, which at maturity consist of only a small starch grain surrounded by the envelope. Chromoplast-like organelles are found in the cells of the antheridial jacket in some genera; these contain numerous osmiophilic globules that are probably pigment aggregations. Colourless bead-like plastids occur in the rhizoids; these seem to develop by fragmentation of the single chloroplast in the rhizoid initials, concomitant with the loss of chlorophyll. Chloroplast division is a tightly controlled process and, in uniplastidic species, always occurs just before nuclear division, with the participation of a unique system of chloroplast-associated microtubules. The number of chloroplasts per cell is quite variable in some genera, although most species have but a single chloroplast in each cell of the gametophyte. Chloroplast shape is also variable from ellipsoidal, dumbbell-shaped, to irregular. These data indicate that the anthocerote chloroplast is unique among the embryophytes and are in line with the notion of an isolated position in the plant kingdom. Certain features of chloroplast morphology appear to be typical of certain genera and might prove useful in taxonomic decisions at the generic level. C1 DIPARTIMENTO BIOL VEGETALE,I-80139 NAPLES,ITALY. MIAMI UNIV,DEPT ZOOL,OXFORD,OH 45056. KYOTO UNIV,FAC AGR,APPL BIOL LAB,KYOTO 606,JAPAN. UNIV COSTA RICA,SAN JOSE,COSTA RICA. MASSEY UNIV,DEPT BOT & ZOOL,PALMERSTON NORTH,NEW ZEALAND. E TENNESSEE STATE UNIV,DEPT BIOL,JOHNSON CITY,TN 37614. RP VAUGHN, KC (reprint author), USDA ARS,SO WEED SCI LAB,POB 350,STONEVILLE,MS 38776, USA. NR 73 TC 37 Z9 37 U1 5 U2 14 PU CAMBRIDGE UNIV PRESS PI NEW YORK PA 40 WEST 20TH STREET, NEW YORK, NY 10011-4211 SN 0028-646X J9 NEW PHYTOL JI New Phytol. PD FEB PY 1992 VL 120 IS 2 BP 169 EP 190 DI 10.1111/j.1469-8137.1992.tb05653.x PG 22 WC Plant Sciences SC Plant Sciences GA HE573 UT WOS:A1992HE57300001 ER PT J AU DOUGLAS, CL RICKMAN, RW KLEPPER, BL ZUZEL, JF WYSOCKI, DJ AF DOUGLAS, CL RICKMAN, RW KLEPPER, BL ZUZEL, JF WYSOCKI, DJ TI AGROCLIMATIC ZONES FOR DRYLAND WINTER-WHEAT PRODUCING AREAS OF IDAHO, WASHINGTON, AND OREGON SO NORTHWEST SCIENCE LA English DT Article AB There is a need to develop a series of "zones" to facilitate technology transfer within the Intermountain Northwest. Six agroclimatic zones have been delineated based on three climatic and soil parameters important in growing winter wheat: soil depth, mean annual precipitation, and cumulative growing degree from 1 January through 31 May. Thus each zone, regardless of the state in which it is located, has similar soil and climatic conditions. There are uncultivated areas within each zone that are not identified but if farmed would be farmed like other parts of the same zone. The zones provide a common basis for identifying areas where successful exchange of practices, experience, and knowledge between and among producers, researchers, extension, and Soil Conservation Service personnel will most likely occur. Management decisions that produce desired results in one zone in one zone in one state will probably succeed in that same zone in any other state. Conservation practices and erosion control techniques should be similar within but not between zones. RP DOUGLAS, CL (reprint author), USDA ARS,COLUMBIA PLATEAU CONSERVAT RES CTR,PENDLETON,OR 97801, USA. NR 0 TC 14 Z9 14 U1 2 U2 3 PU WASHINGTON STATE UNIV PI PULLMAN PA PO BOX 645910, PULLMAN, WA 99164-5910 SN 0029-344X J9 NORTHWEST SCI JI Northwest Sci. PD FEB PY 1992 VL 66 IS 1 BP 26 EP 34 PG 9 WC Ecology SC Environmental Sciences & Ecology GA HL200 UT WOS:A1992HL20000003 ER PT J AU WOOD, RJ SERFATYLACROSNIERE, C AF WOOD, RJ SERFATYLACROSNIERE, C TI GASTRIC-ACIDITY, ATROPHIC GASTRITIS, AND CALCIUM-ABSORPTION SO NUTRITION REVIEWS LA English DT Review ID DIETARY CALCIUM; GLUCOSE; POLYMERS; WOMEN; PH AB The deleterious effects of increased gastric pH on calcium absorption from calcium carbonate supplements were observed about 25 years ago. Increasing use of calcium supplements, especially by the elderly, has raised questions about bioavailability from various calcium sources. Decreased gastric acidity is common in the elderly and in patients taking antiulcer medications. A critical review of the available human studies that have investigated the role of gastric acidity in calcium bioavailability suggests that the effects of increased gastric pH are only apparent when poorly soluble calcium salts are taken after an overnight fast. Soluble calcium sources, such as calcium citrate and calcium from milk, are absorbed normally in elderly subjects with atrophic gastritis. Moreover, calcium carbonate, a relatively insoluble calcium salt, is well absorbed in atrophic gastritis patients if administered with a meal. In order to maximize calcium bioavailability, elderly subjects should increase their calcium intakes to at least recommended levels, preferably by increasing milk consumption. When calcium supplements are used to augment dietary calcium sources, a highly soluble source should be of benefit or calcium carbonate may be taken with a meal. RP WOOD, RJ (reprint author), TUFTS UNIV,MINERAL BIOAVAILABIL LAB,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111, USA. NR 25 TC 40 Z9 41 U1 0 U2 6 PU INT LIFE SCIENCES INST PI LAWRENCE PA 810 EAST 10TH ST SUBSCRIPTION OFFICE, LAWRENCE, KS 66044 SN 0029-6643 J9 NUTR REV JI Nutr. Rev. PD FEB PY 1992 VL 50 IS 2 BP 33 EP 40 PG 8 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HH568 UT WOS:A1992HH56800001 PM 1570081 ER PT J AU FIELD, JO RUSSELL, RM AF FIELD, JO RUSSELL, RM TI NUTRITION MISSION TO IRAQ FOR UNICEF SO NUTRITION REVIEWS LA English DT Review AB At the request of UNICEF, the authors conducted a rapid nutritional assessment of children from birth to five years of age in southern Iraq during the second half of June 1991. With support from local UNICEF staff, the nutrition team examined 680 children, measuring weight, height, and mid-upper arm circumference and observing clinical signs of anemia, vitamin A deficiency, and dehydration. These measurements and observations were performed in 14 rural, urban, and periurban settings in Basrah and Amarah governorates. Evidence of both acute and chronic malnutrition was found in large numbers of the children examined. However, the acute nutritional signs,of impending famine were not evident at the time of the survey. This is true not-withstanding epidemic levels of infectious disease, market prices for basic food items three to 20 times prewar levels, and a reported crisis in mothers' ability to breastfeed. Other signs of impending famine (distress sales of family assets, disintegration of social structures, etc.) may have existed, but were not evident to the team. C1 TUFTS UNIV,USDA,HUMAN NUTR RES CTR AGING,BOSTON,MA 02111. RP FIELD, JO (reprint author), TUFTS UNIV,SCH NUTR,MEDFORD,MA 02155, USA. NR 6 TC 7 Z9 8 U1 0 U2 4 PU INT LIFE SCIENCES INST PI LAWRENCE PA 810 EAST 10TH ST SUBSCRIPTION OFFICE, LAWRENCE, KS 66044 SN 0029-6643 J9 NUTR REV JI Nutr. Rev. PD FEB PY 1992 VL 50 IS 2 BP 41 EP 46 PG 6 WC Nutrition & Dietetics SC Nutrition & Dietetics GA HH568 UT WOS:A1992HH56800002 PM 1570082 ER PT J AU LEDIG, FT AF LEDIG, FT TI HUMAN IMPACTS ON GENETIC DIVERSITY IN FOREST ECOSYSTEMS SO OIKOS LA English DT Review ID ABIES-ALBA MILL; DOUGLAS-FIR; POPULUS-TREMULOIDES; NATURAL-SELECTION; NORTHERN ROCKIES; OZONE TOLERANCE; AIR-POLLUTION; PLANTS; POPULATIONS; DECLINE AB Humans have converted forest to agricultural and urban uses, exploited species, fragmented wildlands, changed the demographic structure of forests, altered habitat, degraded the environment with atmospheric and soil pollutants, introduced exotic pests and competitors, and domesticated favored species. None of these activities is new; perhaps with the exception of atmospheric pollution, they date back to prehistory. All have impacted genetic diversity (i.e., species diversity and genetic diversity within species) by their influence on the evolutionary processes of extinction, selection, drift, gene flow, and mutation, sometimes increasing diversity, as in the case of domestication, but often reducing it. Even in the absence of changes in diversity, mating systems were altered, changing the genetic structure of populations. Demographic changes (i.e., conversion of old-growth to younger, even-aged stands) influenced selection by increasing the incidence of disease. Introduction of exotic diseases, insects, mammalian herbivores, and competing vegetation has had the best-documented effects on genetic diversity, reducing both species diversity and intraspecific diversity. Deforestation has operated on a vast scale to reduce diversity by direct elimination of locally-adapted populations. Atmospheric pollution and global warming will be a major threat in the near future, particularly because forests are fragmented and migration is impeded. Past impacts can be estimated with reference to expert knowledge, but hard data are often lacking. Baselines are needed to quantify future impacts and provide an early warning of problems. Genetic inventories of indicator species can provide the baselines against which to measure changes in diversity. RP LEDIG, FT (reprint author), US FOREST SERV,PACIFIC SW FOREST & RANGE EXPT STN,POB 245,BERKELEY,CA 94701, USA. NR 177 TC 155 Z9 161 U1 11 U2 140 PU MUNKSGAARD INT PUBL LTD PI COPENHAGEN PA 35 NORRE SOGADE, PO BOX 2148, DK-1016 COPENHAGEN, DENMARK SN 0030-1299 J9 OIKOS JI Oikos PD FEB PY 1992 VL 63 IS 1 BP 87 EP 108 DI 10.2307/3545518 PG 22 WC Ecology SC Environmental Sciences & Ecology GA HK906 UT WOS:A1992HK90600010 ER PT J AU TAYLOR, RA GODBEY, LC AF TAYLOR, RA GODBEY, LC TI HOW ILLUMINATION AND CONTRAST AFFECT THE AREA MEASUREMENT OF SMALL PARTICLES BY DIGITAL IMAGING SO OPTICAL ENGINEERING LA English DT Article DE DIGITAL IMAGING; SPECTROMETERS; VIDEO SCANNING SYSTEMS; SPECTRAL REFLECTANCE AB Images from conventional video systems are being digitized in computers for the analysis of small particles. The method was developed to automate particle counting and area measurements of dark trash particles in cotton. However, it can be applied to many similar area measurement problems. Because video output is linearly proportional to the amount of light reflected, the best spectral band for optimum particle discrimination should be centered at the wavelength of maximum difference in reflectance between particles and their surroundings. However, due to the distribution of the illumination energy and the distribution of the detector sensitivity, peak performance bands are shifted. Reflectance from cleaned cotton samples and trash particles were measured to define spectral contrast. Pixel intensity histograms from the video system are reported for simulated area reference samples (painted dots on panels) and for actual cotton samples to demonstrate the particle discrimination mechanism. Particles from different parts of the cotton plant were used to demonstrate the importance of considering a particle's contrast in its area measurement. RP TAYLOR, RA (reprint author), USDA ARS,COTTON QUAL RES STN,POB 792,CLEMSON,SC 29633, USA. NR 9 TC 1 Z9 1 U1 0 U2 0 PU SOC PHOTO-OPT INSTRUM ENG PI BELLINGHAM PA PO BOX 10, BELLINGHAM, WA 98227-0010 SN 0091-3286 J9 OPT ENG JI Opt. Eng. PD FEB PY 1992 VL 31 IS 2 BP 219 EP 226 DI 10.1117/12.56068 PG 8 WC Optics SC Optics GA HD795 UT WOS:A1992HD79500003 ER PT J AU LAMOUREUX, GL RUSNESS, DG AF LAMOUREUX, GL RUSNESS, DG TI THE MECHANISM OF ACTION OF BAS-145-138 AS A SAFENER FOR CHLORIMURON ETHYL IN CORN - EFFECT ON HYDROXYLATION, GLUTATHIONE CONJUGATION, GLUCOSIDE CONJUGATION, AND ACETOLACTATE SYNTHASE SO PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY LA English DT Article ID SULFONYLUREA HERBICIDES; ARYL HYDROXYLATION; METABOLISM; PLANTS; MONOOXYGENASE; CHLORSULFURON; SELECTIVITY; DICLOFOP; METHYL; ENZYME RP LAMOUREUX, GL (reprint author), USDA ARS,BIOSCI RES LAB,STATE UNIV STN,POB 5674,FARGO,ND 58105, USA. NR 28 TC 15 Z9 17 U1 0 U2 1 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0048-3575 J9 PESTIC BIOCHEM PHYS JI Pest. Biochem. Physiol. PD FEB PY 1992 VL 42 IS 2 BP 128 EP 139 DI 10.1016/0048-3575(92)90060-D PG 12 WC Biochemistry & Molecular Biology; Entomology; Physiology SC Biochemistry & Molecular Biology; Entomology; Physiology GA HC555 UT WOS:A1992HC55500004 ER PT J AU CZAPLEWSKI, RL AF CZAPLEWSKI, RL TI MISCLASSIFICATION BIAS IN AREAL ESTIMATES SO PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING LA English DT Article ID LANDSAT DATA; CALIBRATION; ACCURACY; CLASSIFIERS; IMPROVE; COVER AB In addition to thematic maps, remote sensing provides estimates of area in different thematic categories. Areal estimates are frequently used for resource inventories, management planning, and assessment analyses. Misclassification causes bias in these statistical areal estimates. For example, if a small percentage of a common cover type is misclassified as a rare cover type, then the area occupied by the rare type can be severely overestimated. Many categories are rare in detailed classification systems. I present an informal method to anticipate the approximate magnitude of this bias in statistical areal estimates, before a remote sensing study is conducted. If the anticipated magnitude is unacceptable, then statistical calibration methods should be used to produce unbiased areal estimates. I then discuss existing statistical methods that calibrate for misclassification bias with a sample of reference plots. RP CZAPLEWSKI, RL (reprint author), US FOREST SERV,ROCKY MT FOREST & RANGE EXPT STN,240 W PROSPECT ST,FT COLLINS,CO 80526, USA. NR 25 TC 45 Z9 46 U1 0 U2 3 PU AMER SOC PHOTOGRAMMETRY PI BETHESDA PA 5410 GROSVENOR LANE SUITE 210, BETHESDA, MD 20814-2160 SN 0099-1112 J9 PHOTOGRAMM ENG REM S JI Photogramm. Eng. Remote Sens. PD FEB PY 1992 VL 58 IS 2 BP 189 EP 192 PG 4 WC Geography, Physical; Geosciences, Multidisciplinary; Remote Sensing; Imaging Science & Photographic Technology SC Physical Geography; Geology; Remote Sensing; Imaging Science & Photographic Technology GA HC440 UT WOS:A1992HC44000002 ER PT J AU MICHALOWSKI, CB DEROCHER, EJ BOHNERT, HJ SALVUCCI, ME AF MICHALOWSKI, CB DEROCHER, EJ BOHNERT, HJ SALVUCCI, ME TI PHOSPHORIBULOKINASE FROM ICE PLANT - TRANSCRIPTION, TRANSCRIPTS AND PROTEIN EXPRESSION DURING ENVIRONMENTAL-STRESS SO PHOTOSYNTHESIS RESEARCH LA English DT Article DE ENVIRONMENTAL STRESS; MESEMBRYANTHEMUM-CRYSTALLINUM; PHOSPHORIBULOKINASE; GENE EXPRESSION; PROTEIN EXPRESSION ID CRASSULACEAN ACID METABOLISM; MESEMBRYANTHEMUM-CRYSTALLINUM L; SALT STRESS; ENCODING PHOSPHORIBULOKINASE; RHODOBACTER-SPHAEROIDES; NUCLEOTIDE-SEQUENCE; C-3 PHOTOSYNTHESIS; MESSENGER-RNA; SITE; PURIFICATION AB The expression of PRK (phosphoribulokinase, E.C.2.7.1.19) in ice plant (Mesembryanthemum crystallinum) during development and under environmental stress was studied. cDNA clones were isolated and full-length cDNAs were characterized. Ice plant PRK is contained in a 1520 nucleotide transcript including a 126 nucleotide leader sequence, a 175 nucleotide 3'-end and a 20-30 nucleotide polyA+-stretch. The coding region, 397 codons, specifies a protein of M(r) 44064. The mature sequence is preceded by a transit peptide of approximately 46 amino acids. The mature portion of ice plant PRK is 86.4% identical to that of spinach and, e.g., 16.2% identical to PRK from Xanthomonas flavus. Under salt stress or cold adaptation conditions, the amount of mRNA declined by a factor of approximately three within days, followed by an increase to approximately pre-stress levels. The fluctuation in mRNA amount is not reflected on the level of transcription of the gene, suggesting post-transcriptional control, nor is PRK protein amount affected significantly over the short stress period. The recovery of transcript levels for photosynthesis-related proteins after stress appears to be a general response to environmental stresses that affect water status in ice plant. We suggest that the photosynthetic machinery in this facultative halophyte is effectively buffered from damage caused by such environmental stress. C1 UNIV ARIZONA,DEPT BIOCHEM,TUCSON,AZ 85721. UNIV ARIZONA,DEPT MOLEC & CELLULAR BIOL,TUCSON,AZ 85721. UNIV ARIZONA,DEPT PLANT SCI,TUCSON,AZ 85721. UNIV KENTUCKY,DEPT AGRON,LEXINGTON,KY 40546. UNIV KENTUCKY,USDA ARS,LEXINGTON,KY 40546. RI Bohnert, Hans/A-7104-2009 NR 41 TC 22 Z9 23 U1 0 U2 3 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0166-8595 J9 PHOTOSYNTH RES JI Photosynth. Res. PD FEB PY 1992 VL 31 IS 2 BP 127 EP 138 DI 10.1007/BF00028789 PG 12 WC Plant Sciences SC Plant Sciences GA HM819 UT WOS:A1992HM81900006 PM 24407984 ER PT J AU HAISSIG, BE DAVIS, TD RIEMENSCHNEIDER, DE AF HAISSIG, BE DAVIS, TD RIEMENSCHNEIDER, DE TI RESEARCHING THE CONTROLS OF ADVENTITIOUS ROOTING SO PHYSIOLOGIA PLANTARUM LA English DT Review DE CLONING; CUTTAGE; FORESTRY; GENETIC EFFECTS; HORTICULTURE; MOLECULAR BIOLOGY; NON-ROOTING MUTANTS; RECOMBINANT DNA; ROOTING; ROOTLESS PLANTS; TISSUE CULTURE; VEGETATIVE PROPAGATION ID MESSENGER-RNAS; ABSCISIC-ACID; SMALL NUMBERS; CELLS; TOBACCO; AUXIN; GENE; LOCALIZATION; SYSTEMS; PROTEIN AB Cloning is crucial in horticulture and forestry for commercial production of plants and in genetic improvement programs. However, inability to induce adventitious root formation (rooting) often limits cloning of woody plants by cuttage or tissue culture. To improve cloning, past physiological and biochemical studies of rooting have largely been aimed at understanding controls by researching post-translational processes. Still, the sought-for controls of rooting remain obscure. However, those controls may be discovered by searching for and studying direct genetic effects, using current molecular genetic technologies and new plant materials (e.g., non-rooting mutants, normally rootless plants). In particular, applying molecular genetic technologies in studies at the transcriptional and translational levels may soon reveal the controls of rooting. We review strategies for achieving that goal. C1 TEXAS A&M UNIV SYST,CTR RES & EXTENS,DALLAS,TX 75252. RP HAISSIG, BE (reprint author), US FOREST SERV,SERV FOREST SCI,N CENT FOREST EXPT STN,POB 898,RHINELANDER,WI 54501, USA. NR 52 TC 37 Z9 40 U1 1 U2 12 PU MUNKSGAARD INT PUBL LTD PI COPENHAGEN PA 35 NORRE SOGADE, PO BOX 2148, DK-1016 COPENHAGEN, DENMARK SN 0031-9317 J9 PHYSIOL PLANTARUM JI Physiol. Plant. PD FEB PY 1992 VL 84 IS 2 BP 310 EP 317 PG 8 WC Plant Sciences SC Plant Sciences GA HG867 UT WOS:A1992HG86700018 ER PT J AU IACOBELLIS, NS LAVERMICOCCA, P SURICO, G DURBIN, RD AF IACOBELLIS, NS LAVERMICOCCA, P SURICO, G DURBIN, RD TI THE OCCURRENCE AND CHARACTERIZATION OF A SYRINGOMYCIN MACROMOLECULAR COMPLEX IN CULTURES OF PSEUDOMONAS-SYRINGAE PV-SYRINGAE SO PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY LA English DT Article ID PHYTOTOXIN SYRINGOMYCIN; SYRINGOTOXIN C1 UNIV FLORENCE,IST PATOL & ZOOL FORESTALE & AGR,I-50121 FLORENCE,ITALY. UNIV WISCONSIN,USDA ARS,MADISON,WI 53706. UNIV WISCONSIN,DEPT PLANT PATHOL,MADISON,WI 53706. RP IACOBELLIS, NS (reprint author), CNR,IST TOSSINE & MICOTOSSINE PARASSITI VEGETALI,V L EINAUDI 51,I-70126 BARI,ITALY. RI Lavermicocca, Paola/B-6925-2015; OI Lavermicocca, Paola/0000-0002-6808-0532; SURICO, GIUSEPPE/0000-0002-9664-3072 NR 24 TC 11 Z9 11 U1 0 U2 0 PU ACADEMIC PRESS LTD PI LONDON PA 24-28 OVAL RD, LONDON, ENGLAND NW1 7DX SN 0885-5765 J9 PHYSIOL MOL PLANT P JI Physiol. Mol. Plant Pathol. PD FEB PY 1992 VL 40 IS 2 BP 91 EP 105 DI 10.1016/0885-5765(92)90037-V PG 15 WC Plant Sciences SC Plant Sciences GA HV262 UT WOS:A1992HV26200002 ER PT J AU MATTOO, AK MEHTA, RA BAKER, JE AF MATTOO, AK MEHTA, RA BAKER, JE TI COPPER-INDUCED ETHYLENE BIOSYNTHESIS IN TERRESTRIAL (NICOTIANA-TABACUM) AND AQUATIC (SPIRODELA-OLIGORRHIZA) HIGHER-PLANTS SO PHYTOCHEMISTRY LA English DT Article DE SPIRODELA-OLIGORRHIZA; LEMNACEAE; DUCKWEED; NICOTIANA-TABACUM; SOLANACEAE; TOBACCO; STRESS ETHYLENE; METAL TOXICITY; FREE RADICALS; SENESCENCE; ACC ID 1-AMINOCYCLOPROPANE-1-CARBOXYLIC ACID; CONVERSION; INDUCTION; LEAVES; AUXIN; LIGHT AB Induction of ethylene biosynthesis by cupric ions was compared using leaf discs from a terrestrial plant (tobacco; Nicotiana tabacum L. cv Xanthi) and whole fronds of an aquatic plant (Spirodela oligorrhiza). In both systems, induction of ethylene biosynthesis was greatest in younger leaves, was not inhibited by the protein synthesis inhibitor cycloheximide, was inhibited by the lipid peroxidation/singlet oxygen inhibitor DABCO, and was stabilized by D2O in the light. However, selenomethionine stimulated copper-induced ethylene production in tobacco leaf discs but was inhibitory in Spirodela. Incorporation of radioactive methionine into ethylene in copper-treated tobacco leaf discs but not Spirodela plants was markedly reduced by the addition of 2.5 mM ACC. In the presence of cupric ions, Spirodela converted methionine as well as linoleic acid to ethylene to similar extents, whereas tobacco leaf discs were more efficient in converting methionine than linoleic acid to ethylene. Together, these results suggest that both these plants produce ethylene in response to cupric ions albeit via different biosynthetic routes. C1 USDA ARS,BELTSVILLE AGR RES CTR,PLANT HORMONE LABS,BELTSVILLE,MD 20705. UNIV MARYLAND,DEPT HORT,COLLEGE PK,MD 20742. RP MATTOO, AK (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,PLANT MOLEC BIOL LAB,BELTSVILLE,MD 20705, USA. RI Mattoo, Autar/G-9863-2011 NR 24 TC 27 Z9 27 U1 0 U2 2 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB SN 0031-9422 J9 PHYTOCHEMISTRY JI Phytochemistry PD FEB PY 1992 VL 31 IS 2 BP 405 EP 409 DI 10.1016/0031-9422(92)90006-C PG 5 WC Biochemistry & Molecular Biology; Plant Sciences SC Biochemistry & Molecular Biology; Plant Sciences GA HC571 UT WOS:A1992HC57100004 ER PT J AU HAMPTON, RO FRANCKI, RIB AF HAMPTON, RO FRANCKI, RIB TI RNA-1 DEPENDENT SEED TRANSMISSIBILITY OF CUCUMBER MOSAIC-VIRUS IN PHASEOLUS-VULGARIS SO PHYTOPATHOLOGY LA English DT Article ID DETERMINANTS AB Cucumber mosaic viral RNAs-1, -2, and -3 were isolated by successive gel electrophoresis and recombined between cucumber mosaic virus (CMV) strains that were (CMV-Pg) or were not (CMV-Le) seed transmissible in Phaseolus vulgaris 'Top Crop.' Twenty local-lesion isolates were derived for each of six pseudorecombinants, and selected isolates of each were assayed for seed transmissibility in cv. Top Crop. An average of 603 seedlings arising from Top Crop plants inoculated with respective pseudorecombinants were assayed for presence of seedborne CMV by means of double antibody sandwich enzyme-linked immunosorbent assay. Seedling symptoms of seedborne pseudorecombinants varied with seasonal differences in the greenhouse environment; in numerous cases infected seedlings were symptomless. Pseudorecombinants containing RNA-1 from CMV-Pg were seed-transmitted at a frequency of 64/2,032. Pseudorecombinants containing RNA-1 from CMV-Le were seed-transmitted at a frequency of 4/2,386. The latter seed transmissions were evenly divided among the three pseudorecombinants: LLP, 1/714; LPL, 2/1,091; and LPP, 1/581. Seed transmission rates of parental strains were, CMV-Pg, 22/60, and Le, 0/207. Thus, CMV RNA-1, co-governing viral replication and affecting virus movement, decisively influenced seed transmissibility of recombined CMV-Pg and CMV-Le genomic RNAs. C1 UNIV ADELAIDE,WAITE AGR RES INST,DEPT PLANT PATHOL,GLEN OSMOND,SA 5064,AUSTRALIA. RP HAMPTON, RO (reprint author), OREGON STATE UNIV,DEPT BOT & PLANT PATHOL,USDA ARS,CORVALLIS,OR 97331, USA. NR 21 TC 16 Z9 16 U1 0 U2 1 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 127 EP 130 DI 10.1094/Phyto-82-127 PG 4 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000001 ER PT J AU NEWHOUSE, JR TOOLEY, PW SMITH, OP FISHEL, RA AF NEWHOUSE, JR TOOLEY, PW SMITH, OP FISHEL, RA TI CHARACTERIZATION OF DOUBLE-STRANDED-RNA IN ISOLATES OF PHYTOPHTHORA-INFESTANS FROM MEXICO, THE NETHERLANDS, AND PERU SO PHYTOPATHOLOGY LA English DT Article DE EPIDEMIOLOGY; LATE BLIGHT; MOLECULAR MARKER ID NUCLEAR-DNA CONTENT; A2 MATING TYPE; ENDOTHIA-PARASITICA; NUCLEOTIDE-SEQUENCE; STRAINS; DSRNA AB Seventy-nine isolates of Phytophthora infestans, from Mexico, the Netherlands, Peru, Israel, and the United States, were screened for the incidence of double-stranded (ds) RNA. The dsRNA was most abundant in Mexican isolates (83.3%), followed by isolates from the Netherlands (20%) and Peru (2.9%). P. infestans isolates from Israel and the United States were dsRNA-free. Double-stranded RNA was found in both A1 and A2 mating-type Mexican isolates, while only A2 mating-type isolates from the Netherlands contained dsRNA. Dutch and Peruvian isolates contained dsRNA segments that were identical in size with dsRNA segments recovered from Mexican isolates. In addition to the dsRNA segments and patterns previously reported in Mexican isolates, three new segments and six new patterns were discovered. The dsRNAs ranged in size from 1.35 to 11.10 kbp, and transmission electron microscopy of the dsRNA revealed linear molecules. Northern blot hybridization analysis showed that sequence homology exists between comigrating dsRNA segments of Mexican, Dutch, and Peruvian isolates, and that at least four nonhomologous groups of dsRNA occur in P. infestans. C1 FREDERICK CANC RES FACIL,CHROMOSOME BIOL LAB,FREDERICK,MD 21701. RP NEWHOUSE, JR (reprint author), USDA ARS,FOREIGN DIS WEED SCI RES UNIT,FT DETRICK BLDG 1301,FREDERICK,MD 21702, USA. NR 31 TC 20 Z9 21 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 164 EP 169 DI 10.1094/Phyto-82-164 PG 6 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000008 ER PT J AU OWNLEY, BH WELLER, DM THOMASHOW, LS AF OWNLEY, BH WELLER, DM THOMASHOW, LS TI INFLUENCE OF INSITU AND INVITRO PH ON SUPPRESSION OF GAEUMANNOMYCES-GRAMINIS VAR TRITICI BY PSEUDOMONAS-FLUORESCENS 2-79 SO PHYTOPATHOLOGY LA English DT Article DE BIOLOGICAL CONTROL; SOILBORNE PATHOGEN; TRITICUM-AESTIVUM ID TAKE-ALL; BIOLOGICAL-CONTROL; WHEAT ROOTS; AMMONIUM-NITROGEN; NITRATE-NITROGEN; PLANT-PATHOGENS; RHIZOSPHERE PH; SOILS; COLONIZATION; ANTAGONISTS AB Pseudomonas fluorescens 2-79 (NRRL B-15132) and its rifampicin-resistant derivative 2-79RN10 are suppressive to take-all of wheat caused by Gaeumannomyces graminis var. tritici. Production of the antibiotic phenazine-1-carboxylic acid (PCA) is the primary mechanism of suppression by this strain, while a fluorescent siderophore and a second iron-regulated factor have minor roles. Hyphal growth of G. g. tritici was inhibited by strain 2-79RN10 on modified Kanner agar (KMPE) (used for PCA production) adjusted to several pH values within the range of 4.9 to 8.0. Inhibition in vitro by strain 2-79RN10 was greatest at pH 6.0 6.6, intermediate at pH 6.8 8.0, and least at pH 4.9-5.8. Inhibition of hyphal growth of the fungus at low pH (KMPE adjusted to 4.9 to 5.8) was due largely to acidity in the medium. Purified PCA in KMPE adjusted to pH 6.0, 6.3, 6.6, 6.8, 7.0, 7.2, 7.4, or 7.8 also inhibited colony growth of G. g. tritici at all pH values; inhibition was greatest at pH 6.0 and decreased as the pH of the medium increased. To determine the effect of soil pH on take-all suppression, wheat seeds were treated with strain 2-79RN10 or mutants deficient in production of PCA (Phz.), fluorescent siderophore (Flu-), anthranilic acid (Aff-), or a combination of these traits. Seeds were sown in steamed Ritzville silt loam (pH 7.6, 33.6% sand, 60.0% silt, and 6.4% clay) and the same soil adjusted to pH 4.9, 5.6, 6.1, 6.8, 7.3, or 8.0. Strain 2-79RN10 and a Phz+ Flu Aff mutant derivative (strain 2-79-59.34) both significantly suppressed take-all at all soil pH values tested. All Phz- mutants of 2-79RN10 were generally less suppressive than Phz strains. RP OWNLEY, BH (reprint author), WASHINGTON STATE UNIV,USDA ARS,PULLMAN,WA 99164, USA. NR 39 TC 58 Z9 66 U1 1 U2 2 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 178 EP 184 DI 10.1094/Phyto-82-178 PG 7 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000010 ER PT J AU ALDERMAN, SC AF ALDERMAN, SC TI INFLUENCE OF TEMPERATURE AND MOISTURE ON GROWTH OF GLOEOTINIA-TEMULENTA AND INFECTION OF ANNUAL RYEGRASS SO PHYTOPATHOLOGY LA English DT Article DE BLIND SEED; LOLIUM-MULTIFLORUM AB Germination, growth, and sporulation of Gloeotinia temulenta increased at temperatures of 5-20-degrees-C and then declined. No germination or growth occurred at 30-degrees-C. Germination of conidia slowed with decreasing water potential, although 95-100% germination occurred by 24 h at potentials of 0.0 through -4.0 MPa. Radial growth on potato-dextrose agar amended with sodium chloride, potassium chloride, or sucrose declined with decreasing water potentials through -9 to -10 MPa. Conidia were abundant with sucrose as an osmoticum but not with KCl or NaCl. Spore production on a sucrose-amended medium at 10, 15, or 20-degrees-C increased through -4 MPa and then declined through -10 MPa. Infection of annual ryegrass occurred at 15, 20, and 25-degrees-C but not at 30-degrees-C. A dew period was not required for infection when a drop of conidial suspension was placed in open flowers of annual ryegrass or when a conidia-laden exudate from infected seed was transferred to ovaries in open flowers. Production of conidia in infected seed at 20-degrees-C increased 6-16 days after inoculation. RP ALDERMAN, SC (reprint author), USDA ARS,NATL FORAGE SEED PROD RES CTR,3450 SW CAMPUS WAY,CORVALLIS,OR 97331, USA. NR 13 TC 1 Z9 1 U1 2 U2 5 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 196 EP 200 DI 10.1094/Phyto-82-196 PG 5 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000013 ER PT J AU GRAY, LE HEPBURN, AG AF GRAY, LE HEPBURN, AG TI MITOCHONDRIAL-DNA RESTRICTION PATTERNS OF PHIALOPHORA-GREGATA ISOLATES FROM SOYBEAN AND ADZUKI BEAN SO PHYTOPATHOLOGY LA English DT Article ID BROWN STEM ROT; FUSARIUM-OXYSPORUM; RIBOSOMAL DNA; PHYTOPHTHORA; NUCLEAR; PATHOGENICITY; RELATEDNESS; PYTHIUM; FUNGI AB Mitochondrial DNA was examined from 20 soybean and seven adzuki bean Phialophora gregata isolates. The restriction enzyme fragment patterns of mitochondrial DNA for five restriction enzymes were compared among the soybean fungal isolates to determine if restriction fragment length polymorphisms could be detected from isolates collected from Illinois, Indiana, Wisconsin, Ohio, Minnesota, and Iowa soybean fields. No differences in mitochondrial DNA restriction fragment patterns were detected among the 20 soybean fungus isolates. Restriction fragment length polymorphisms were detected between adzuki bean and soybean isolates. Two groups, based on restriction fragment length polymorphisms, could be distinguished within the adzuki bean fungus isolate collection. One group, composed of three isolates, had 33% of the mitochondrial DNA restriction fragments that comigrated with the soybean reference isolate. The other group, composed of four isolates, had no bands in common with either the other three adzuki bean isolates or the soybean reference isolate. All four of these isolates had identical mitochondrial DNA restriction fragment patterns. These isolates morphologically appeared to be unidentified Acremonium species isolates rather than unidentified Phialophora species. Restriction fragment patterns of mitochondrial DNA may be a valuable aid in identifying Phialophora isolates as well as an aid in separating Phialophora isolates from Acremonium isolates that are associated with vascular browning of soybean and adzuki bean plants. C1 UNIV ILLINOIS,DEPT PLANT PATHOL,URBANA,IL 61801. UNIV ILLINOIS,DEPT AGRON,URBANA,IL 61801. RP GRAY, LE (reprint author), UNIV ILLINOIS,USDA ARS,URBANA,IL 61801, USA. NR 29 TC 13 Z9 13 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 211 EP 215 DI 10.1094/Phyto-82-211 PG 5 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000016 ER PT J AU LUMSDEN, RD LOCKE, JC ADKINS, ST WALTER, JF RIDOUT, CJ AF LUMSDEN, RD LOCKE, JC ADKINS, ST WALTER, JF RIDOUT, CJ TI ISOLATION AND LOCALIZATION OF THE ANTIBIOTIC GLIOTOXIN PRODUCED BY GLIOCLADIUM-VIRENS FROM ALGINATE PRILL IN SOIL AND SOILLESS MEDIA SO PHYTOPATHOLOGY LA English DT Article ID RHIZOCTONIA-SOLANI; BIOLOGICAL-CONTROL; PYTHIUM-ULTIMUM; DAMPING-OFF; TRICHODERMA; BIOCONTROL; GERMINATION; SENSITIVITY; PELLETS; ECOLOGY AB Gliocladium virens produced detectable levels of gliotoxin when grown with an alginate-wheat bran food base delivery system in peat mossvermiculite soilless medium (PV medium). The fungus also effectively controlled damping-off of zinnia seedlings caused by Pythium ultimum and Rhizoctonia solani in this same system. Gliotoxin was not detectable, and biocontrol effectiveness was greatly reduced when the fungus was grown in a medium containing bark ash (charcoal). Aqueous extracts obtained from PV medium amended with G. virens when drenched onto planted flats were as effective for control of damping-off of zinnias as the intact G. virens-amended PV medium. Gliotoxin was detected in PV medium (0.42-mu-g/cm3), composted mineral soil (0.36-mu-g/cm3), clay soil (0.20-mu-g/cm3), and sandy soil (0.02-mu-g/cm3), all with natural microbiota but amended with 0.1% alginate prill containing G. virens (w/v). At a rate of 0.4% amendment, the amount of gliotoxin detected was quadrupled when compared to the 0.1% rate. Damping-off caused by P. ultimum was significantly suppressed by prill of G. virens in PV medium, composted mineral soil, and clay soil, but not in sandy soil. Gliotoxin was detected 4-5 cm away from the point source of G. virens growing from a single bran-alginate prill in PV medium and appeared to be associated with the mycelium of the advancing margins of the colony. In a concentrated mixture of soilless mix and nonsterile G. virens prill (1:1, v/v), gliotoxin was detected at high levels (up to 0.65 mg/g of prill) after 1 day of incubation but not at zero time. The amount of gliotoxin diminished with time but was still detectable after 18 days of incubation (< 0.1 mg/g of prill). Gliotoxin was detectable over a wide range of incubation temperatures (15-30 C) in PV medium amended with prill of G. virens. After 3 days of incubation, detectable amounts were present at 15 C, but maximum production occurred at 30 C. These results show that gliotoxin can be detected in soils and soilless media and is correlated with disease suppressive activity toward P. ultimum and R. solani in nonsterile growing media. Factors such as time and temperature, and possibly organic matter, nutrient status, and other chemical and physical factors affect the ability and capacity of G. virens to produce gliotoxin. C1 USDA ARS,BELTSVILLE AGR RES CTR,INST PLANT SCI,FLORIST & NURSERY CROPS LAB,BELTSVILLE,MD 20705. WR GRACE & CO CONN,COLUMBIA,MD 21044. RP LUMSDEN, RD (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST PLANT SCI,BIOCONTROL PLANT DIS LAB,BELTSVILLE,MD 20705, USA. NR 38 TC 75 Z9 77 U1 0 U2 7 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 230 EP 235 DI 10.1094/Phyto-82-230 PG 6 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000019 ER PT J AU CASTLE, SJ PERRING, TM FARRAR, CA KISHABA, AN AF CASTLE, SJ PERRING, TM FARRAR, CA KISHABA, AN TI FIELD AND LABORATORY TRANSMISSION OF WATERMELON MOSAIC VIRUS-2 AND ZUCCHINI YELLOW MOSAIC-VIRUS BY VARIOUS APHID SPECIES SO PHYTOPATHOLOGY LA English DT Article ID POTYVIRUS AB Aphid transmission of watermelon mosaic virus 2 (WMV 2) and zucchini yellow mosaic virus (ZYMV) was studied in the laboratory and field to evaluate species of probable importance in the epidemiology of each virus. Relative transmission efficiencies among species were compared using alates obtained from laboratory-maintained colonies as well as from natural populations collected with an aerial net. In laboratory studies, Myzus persicae, Aphis gossypii, and Acyrthosiphon pisum transmitted WMV 2 with 18, 16, and 16% efficiencies, respectively. In similar studies, these three species transmitted ZYMV with 41, 35, and 4% efficiencies. In these laboratory studies, Acyrthosiphon kondol, Lipaphis erysiml, and Aphis spiraecola transmitted WMV 2 and ZYMV with less than 10% frequency. Field-collected M. persicae alates, whether returned to the laboratory or tested immediately in the field, transmitted ZYMV and WMV 2 at higher efficiencies than the laboratory-derived alates. Field-collected A. kondoi and A. pisum transmitted ZYMV at higher efficiencies than those evaluated in laboratory studies, but transmitted WMV 2 with lower efficiency. In a related study, a total of 18,837 alates were assayed by transmission during a 3-yr period to determine incidence of naturally occurring inoculum. Viruliferous aphids were detected only in the first season, when 44 alates representing four species transmitted virus. No alates assayed in the following two seasons transmitted virus. C1 UNIV CALIF RIVERSIDE,DEPT ENTOMOL,RIVERSIDE,CA 92521. UNIV CALIF RIVERSIDE,BOYDEN ENTOMOL LAB,USDA,RIVERSIDE,CA 92521. NR 18 TC 44 Z9 49 U1 2 U2 9 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0031-949X J9 PHYTOPATHOLOGY JI Phytopathology PD FEB PY 1992 VL 82 IS 2 BP 235 EP 240 DI 10.1094/Phyto-82-235 PG 6 WC Plant Sciences SC Plant Sciences GA HC430 UT WOS:A1992HC43000020 ER PT J AU LI, CY MASSICOTE, HB MOORE, LVH AF LI, CY MASSICOTE, HB MOORE, LVH TI NITROGEN-FIXING BACILLUS SP ASSOCIATED WITH DOUGLAS-FIR TUBERCULATE ECTOMYCORRHIZAE SO PLANT AND SOIL LA English DT Article DE ASSOCIATIVE DIAZOTROPHS; DOUGLAS-FIR ECTOMYCORRHIZAE; NITROGEN FIXATION; TUBERCULATE ECTOMYCORRHIZAE ID FIXATION; WOOD AB Nitrogenase activities, measured by acetylene reduction, were detected under microaerophilic field conditions in Douglas-fir tuberculate ectomycorrhizae. Tuberculate ectomycorrhizae consist of densely packed clusters of ectomycorrhizal rootlets enclosed in a supplementary fungal peridium-like layer. Nitrogenase activity was primarily in the external layer and was greatly enhanced with added sucrose. The bacterium isolated, a nitrogen-fixing, spore-forming Bacillus sp., is an aerobe but requires anaerobic conditions for nitrogenase activity. Respiration in the tuberculate complex by the fungus. roots, and associated mycorrhizosphere microbes probably contributes to maintaining a microaerophilic niche where nitrogen fixation can take place. Water extracts of peridium or mycorrhizal root tips enhanced nitrogenase activity of this associative Bacillus sp., thereby indicating a close nutritional relationship between this bacterium and the tuberculate mycorrhizae. Thiamine more significantly enhanced bacterial nitrogenase activity than biotin; no activity was detected with p-aminobenzoic acid. Even though the levels of nitrogenase activities in the tubercles in situ were low, as measured by the present methods, they may indicate a significant contribution to the nitrogen dynamics of these nitrogen-limited Douglas-fir forests over a long-term period. C1 VIRGINIA POLYTECH INST & STATE UNIV,COLL AGR & LIFE SCI,DEPT ANAEROB MICROBIOL,BLACKSBURG,VA 24061. RP LI, CY (reprint author), US FOREST SERV,PACIFIC NW RES STN,3200 SW JEFFERSON WAY,CORVALLIS,OR 97331, USA. NR 21 TC 62 Z9 65 U1 1 U2 6 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0032-079X J9 PLANT SOIL JI Plant Soil PD FEB PY 1992 VL 140 IS 1 BP 35 EP 40 DI 10.1007/BF00012804 PG 6 WC Agronomy; Plant Sciences; Soil Science SC Agriculture; Plant Sciences GA HL497 UT WOS:A1992HL49700004 ER PT J AU BAKER, JT LAUGEL, F BOOTE, KJ ALLEN, LH AF BAKER, JT LAUGEL, F BOOTE, KJ ALLEN, LH TI EFFECTS OF DAYTIME CARBON-DIOXIDE CONCENTRATION ON DARK RESPIRATION IN RICE SO PLANT CELL AND ENVIRONMENT LA English DT Article DE CARBON DIOXIDE; RESPIRATION; RICE ID PLANT-GROWTH CHAMBERS; AIR LEAKAGE RATES; MAINTENANCE RESPIRATION; ONTOGENETIC CHANGES; SOYBEAN CANOPIES; GRAIN-SORGHUM; SHORT-TERM; PHOTOSYNTHESIS; RESPONSES; TRANSPIRATION AB Rising atmospheric carbon dioxide concentration ([CO2]) has generated considerable interest in the response of agricultural crops to [CO2]. The objectives of this study were to determine the effects of a wide range of daytime [CO2] on dark respiration of rice (Oryza sativa L. cv. IR-30). Rice plants were grown season-long in naturally sunlit plant growth chambers in subambient (160 and 250), ambient (330), or superambient (500, 660 and 900-mu-mol CO2 mol-1 air) [CO2] treatments. Canopy dark respiration, expressed on a ground area basis (R(d)) increased with increasing [CO2] treatment from 160 to 500-mu-mol mol-1 treatments and was very similar among the superambient treatments. The trends in R(d) over time and in response to increasing daytime [CO2] treatment were associated with and similar to trends previously described for photosynthesis. Specific respiration rate (R(dw)) decreased with time during the growing season and was higher in the subambient than the ambient and superambient [CO2] treatments. This greater R(dw) in the subambient [CO2] treatments was attributed to a higher specific maintenance respiration rate and was associated with higher plant tissue nitrogen concentration. C1 USDA, GAINESVILLE, FL 32611 USA. RP BAKER, JT (reprint author), UNIV FLORIDA, DEPT AGRON, BLDG 164, GAINESVILLE, FL 32611 USA. NR 36 TC 54 Z9 60 U1 4 U2 6 PU WILEY-BLACKWELL PI MALDEN PA COMMERCE PLACE, 350 MAIN ST, MALDEN 02148, MA USA SN 0140-7791 J9 PLANT CELL ENVIRON JI Plant Cell Environ. PD FEB PY 1992 VL 15 IS 2 BP 231 EP 239 DI 10.1111/j.1365-3040.1992.tb01477.x PG 9 WC Plant Sciences SC Plant Sciences GA HG866 UT WOS:A1992HG86600010 ER PT J AU THOMAS, PE HASSAN, S AF THOMAS, PE HASSAN, S TI APPARENT IMMUNITY AND TOLERANCE TO TOMATO BIG BUD DISEASE IN LYCOPERSICON-PERUVIANUM AND IN 2 OF ITS TOMATO HYBRIDS SO PLANT DISEASE LA English DT Article ID YELLOW TOP VIRUS; LEAF ROLL VIRUS AB All plants in a seed lot of Lycopersicon peruvianum, U.S. Department of Agriculture Plant Introduction (PI) No. 128655, and in seed lots of two F5 hybrid progenies of PI 128655 x tomato either did not become infected (apparent immunity) or were infected without symptoms (tolerance) after graft inoculation using tomato tissue infected with tomato big bud disease. The same germ plasm was previously shown to contain the same expressions of resistance and tolerance against three phloem-limited viruses-beet curly top, tomato yellow top, and potato leafroll. C1 NW FRONTIER PROV AGR UNIV,DEPT PLANT PATHOL,PESHAWAR,PAKISTAN. RP THOMAS, PE (reprint author), USDA ARS,CTR IRRIGATED AGR RES & EXTENS,ROUTE 2,BOX 2953A,PROSSER,WA 99350, USA. NR 21 TC 4 Z9 4 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 139 EP 141 PG 3 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500007 ER PT J AU BACON, CW BENNETT, RM HINTON, DM VOSS, KA AF BACON, CW BENNETT, RM HINTON, DM VOSS, KA TI SCANNING ELECTRON-MICROSCOPY OF FUSARIUM-MONILIFORME WITHIN ASYMPTOMATIC CORN KERNELS AND KERNELS ASSOCIATED WITH EQUINE LEUKOENCEPHALOMALACIA SO PLANT DISEASE LA English DT Article DE GIBBERELLA-FUJIKUROI; TOXIC CORN; ZEA-MAYS ID INBRED LINES; SWEET CORN; INFECTION; MAIZE; RESISTANCE AB Fusarium moniliforme, a pathogen of corn, produces a variety of mycotoxins. Scanning electron microscopy was used to determine the association of this fungus with asymptomatic kernels of corn and kernels associated with a specific animal toxicity, equine leukoencephalomalacia. The location of F. moniliforme in all asymptomatic kernels examined was always the pedicel or tip cap end of kernels. These observations suggest that, although it is unknown, the point of entry into asymptomatic kernels by the fungus is probably the same. The fungus was found within the embryo and endosperm in kernels associated with animal toxicity. In some toxic kernels, the fungus had undergone extensive growth and sporulation, producing microconidia that were similar to a known isolate of this species cultured on agar media. RP BACON, CW (reprint author), USDA ARS,RICHARD B RUSSELL AGR RES CTR,TOXICOL & MYCOTOXIN RES UNIT,ATHENS,GA 30613, USA. NR 34 TC 48 Z9 49 U1 0 U2 6 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 144 EP 148 PG 5 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500009 ER PT J AU SINCLAIR, WA GRIFFITHS, HM DAVIS, RE LEE, IM AF SINCLAIR, WA GRIFFITHS, HM DAVIS, RE LEE, IM TI DETECTION OF ASH YELLOWS MYCOPLASMALIKE ORGANISMS IN DIFFERENT TREE ORGANS AND IN CHEMICALLY PRESERVED SPECIMENS BY A DNA PROBE VS DAPI SO PLANT DISEASE LA English DT Article ID WHITE ASH; DISEASE; DECLINE AB DNA of mycoplasmalike organisms (MLOs) was detected by dot hybridizations with a biotin-labeled cloned DNA probe, pBB115, in samples obtained from each of six naturally infected mature white ash (Fraxinus americana) on each of 11 dates over 14 mo. Hybridization signals were most consistent and intense with samples from the innermost phloem at the trunk base, less so with samples from fine roots, and least so with samples from coarse roots (2-6 mm in diameter), twigs, or leaves. The DNA probe detected MLOs as consistently as the DAPI (4',6-diamidino-2-phenylindole.2HCl) fluorescence test in white ash but not in velvet ash (F. velutina), in which MLO populations were lower. Plant tissues destined for DNA extraction were effectively preserved in 5% (w/v) aqueous borax or by drying at 42 C as possible alternatives to freezing. C1 USDA ARS,BELTSVILLE AGR RES CTR,MICROBIOL & PLANT PATHOL LAB,BELTSVILLE,MD 20705. RP SINCLAIR, WA (reprint author), CORNELL UNIV,DEPT PLANT PATHOL,ITHACA,NY 14853, USA. NR 23 TC 18 Z9 18 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 154 EP 158 PG 5 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500011 ER PT J AU MCLAUGHLIN, MR PEDERSON, GA EVANS, RR IVY, RL AF MCLAUGHLIN, MR PEDERSON, GA EVANS, RR IVY, RL TI VIRUS DISEASES AND STAND DECLINE IN A WHITE CLOVER PASTURE SO PLANT DISEASE LA English DT Article DE FORAGE; SOYBEAN DWARF VIRUS ID FORAGE LEGUMES; FIELD; TRIFOLIUM; GROWTH AB Linear regression analysis was used to characterize the incidence of virus diseases in white clover, Trifolium repens, and associated changes in the white clover population in a grazed pasture through four growing seasons. The incidence of diseases virus, peanut stunt virus (PSV), and white clover mosaic virus increased linearly through the life of the white clover stand, coincident with a steady decline in the white clover population. The predominant virus detected throughout the study was PSV, which occurred in 80% of the white clover plants sampled in the spring of the fourth growing season. By that time, the clover population had declined significantly, and by the following fall, the clover had virtually disappeared from the pasture. This association provided evidence that PSV may be a major factor in the lack of persistence of white clover. A potentially important source of resistance to PSV was identified in a white clover clone exhibiting hypersensitivity to mechanical inoculation of PSV. Alfalfa mosaic virus and red clover vein mosaic virus were present in infected white clover but at relatively low incidence. Luteoviruses not previously reported from white clover in the Southeast also were detected. C1 MISSISSIPPI AGR & FORESTRY EXPTL STN,PRAIRIE,MS 39756. RP MCLAUGHLIN, MR (reprint author), USDA ARS,CROP SCI RES LAB,FORAGE RES UNIT,POB 5367,MISSISSIPPI STATE,MS 39762, USA. NR 20 TC 19 Z9 21 U1 0 U2 2 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 158 EP 162 PG 5 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500012 ER PT J AU COMSTOCK, JC SHINE, JM RAID, RN AF COMSTOCK, JC SHINE, JM RAID, RN TI EFFECT OF RUST ON SUGARCANE GROWTH AND BIOMASS SO PLANT DISEASE LA English DT Article AB The sugarcane rust pathogen, Puccinia melanocephala, caused significant growth and biomass reductions of sugarcane plants in a replicated pot study. Disease severity, estimated as the percent area infected on the top visible dewlap leaf, was 53.5% on the highly susceptible cultivar B 4362, 6.9% on the moderately susceptible cultivar CP 78-1247, and 2.3% on the resistant cultivar CP 70-1133. In contrast, the level of rust on uninoculated control plants was 1.3% for cultivar B 4362. Uninoculated control plants of the two other cultivars were free of rust. Stalk height reductions caused by rust were 32.6% in cultivar B 4362, 20.1% in cultivar CP 78-1247, and 15.1% in cultivar CP 70-1133. Wet weights were reduced by 40.9% in cultivar B 4362 and 12.3% in cultivar CP 78-1247 because of rust. Correspondingly, dry weights also were reduced in these two cultivars. Wet weight loss was not observed on the rust-resistant cultivar CP 70-1133, although its dry weight decreased by 3.1%. The experimental design allowed for detection of small yield losses. C1 FLORIDA SUGAR CANE LEAGUE,CANAL POINT,FL 33438. UNIV FLORIDA,EVERGLADES RES & EDUC CTR,BELLE GLADE,FL 33430. RP COMSTOCK, JC (reprint author), USDA ARS,SUGARCANE FIELD STN,CANAL POINT,FL 33438, USA. NR 13 TC 11 Z9 12 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 175 EP 177 PG 3 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500016 ER PT J AU HWANG, IY LIM, SM SHAW, PD AF HWANG, IY LIM, SM SHAW, PD TI USE OF DETACHED SOYBEAN COTYLEDONS FOR TESTING PATHOGENICITY OF XANTHOMONAS-CAMPESTRIS PV GLYCINES SO PLANT DISEASE LA English DT Article AB A rapid technique soybean (Glycine max) cotyledon assay was developed to test the pathogenicity of Xanthomonas campestris pv. glycines, which causes bacterial pustule. Detached soybean cotyledons from 10- to 14-day-old seedlings grown in the greenhouse were surface-sterilized with 0.5% sodium hypochlorite for 5 min and washed with sterile distilled water. The center of the cotyledons were wounded with multiple pins attached to the end of a wooden stick (six pins spaced evenly in an area 6 mm in diameter). Wounds were rubbed gently with cotton swabs dipped in a suspension of pathogenic and nonpathogenic strains of X. c. glycines, and inoculated cotyledons were placed in moist trays and kept in a lighted incubator at 30 C. Within 2-3 days after inoculation, areas of the cotyledons inoculated with pathogenic strains turned yellowish, whereas those inoculated with nonpathogenic strains did not show any discoloration. Pathogenic and nonpathogenic responses based on detached cotyledon assay were not distinguishable from those based on intact cotyledon assay. Lack of symptom induction on detached cotyledons was equivalent to lack of pathogenicity on leaves. Repeated experiments with this technique resulted in consistent detection of nonpathogenic mutants from 2,000 colonies of the bacterium treated with N-nitro-N-methyl-N'-nitrosoguanidine. C1 UNIV ILLINOIS,USDA ARS,URBANA,IL 61801. RP HWANG, IY (reprint author), UNIV ILLINOIS,DEPT PLANT PATHOL,URBANA,IL 61801, USA. NR 10 TC 4 Z9 4 U1 0 U2 2 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 182 EP 183 PG 2 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500018 ER PT J AU SCHREIBER, LR MAYER, JS AF SCHREIBER, LR MAYER, JS TI SEASONAL-VARIATIONS IN SUSCEPTIBILITY AND IN INTERNAL INOCULUM DENSITIES IN MAPLE SPECIES INOCULATED WITH VERTICILLIUM-DAHLIAE SO PLANT DISEASE LA English DT Article ID ALBO-ATRUM; COLONIZATION; RESISTANCE; WILT; CULTIVARS; ALFALFA AB Differences in susceptibility to Verticillium dahliae between potted Norway (Acer platanoides) and silver (A. saccharinum) maple seedlings were determined by the percentages of infected trees, foliar symptoms, infected stem sections, and height of fungus movement in the stems. Data were pooled for four inoculation times in each growing season in 1983, 1984, and 1987. Norway and silver maples did not differ in percentage of infected trees, but Verticillium was recovered from a higher percentage of stem sections and the fungus grew to a higher percentage of the stem length in Norway maples. Similar comparisons were made in sugar (A. saccharum), Norway, and silver maples in 1987. Sugar maple was the most susceptible species by all criteria. A seasonal decline in susceptibility was observed for sugar and Norway maples but not for silver maples. Verticillium produced foliar symptoms in sugar but not in silver or Norway maple seedlings. Inoculum densities in the stems of silver and sugar maples were compared and expressed as total numbers of colony-forming units. Numbers of both short-lived conidia and mycelial fragments and microsclerotia were determined, and the number of colony-forming units isolated was higher from sugar than from silver maples. C1 OHIO STATE UNIV,DEPT PLANT PATHOL,COLUMBUS,OH 43210. RP SCHREIBER, LR (reprint author), USDA ARS,US NATL ARBORETUM,OHIO RES SITE,359 MAIN RD,DELAWARE,OH 43015, USA. NR 22 TC 7 Z9 7 U1 1 U2 1 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 184 EP 187 PG 4 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500019 ER PT J AU HWANG, IY LIM, SM AF HWANG, IY LIM, SM TI EFFECTS OF INDIVIDUAL AND MULTIPLE INFECTIONS WITH 3 BACTERIAL PATHOGENS ON DISEASE SEVERITY AND YIELD OF SOYBEANS SO PLANT DISEASE LA English DT Article ID BROWN SPOT; BLIGHT AB Bacterial blight, bacterial pustule, and wildfire resulting from multiple inoculations with individual or mixed cultures had no effect on yield of three soybean (Glycine max) cultivars (Pella, Williams, and Cumberland or Wells) in 1986 and 1987. In both years, disease severity at each rating and area under the disease progress curve (AUDPC) of Pella, which is susceptible to Xanthomonas campestris pv. glycines, causal agent of bacterial pustule, were highest in the plots inoculated with either X. c. glycines alone or combination with the other pathogens, Pseudomonas syringae pv. glycinea (bacterial blight) and P. syringae pv. tabaci (wildfire). The severity of individual diseases was not affected by mixed inoculations with the other pathogens; the pathogens did not act synergistically. Effects of individual and multiple diseases on yield were not statistically significant. C1 UNIV ILLINOIS,USDA ARS,URBANA,IL 61801. RP HWANG, IY (reprint author), UNIV ILLINOIS,DEPT PLANT PATHOL,URBANA,IL 61801, USA. NR 17 TC 3 Z9 4 U1 0 U2 4 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 195 EP 198 PG 4 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500021 ER PT J AU WILSON, AD GAY, CC FRANSEN, SC AF WILSON, AD GAY, CC FRANSEN, SC TI AN ACREMONIUM ENDOPHYTE OF LOLIUM-PERENNE ASSOCIATED WITH HYPERTHERMIA OF CATTLE IN PACIFIC COUNTY, WASHINGTON SO PLANT DISEASE LA English DT Note C1 WASHINGTON STATE UNIV,DEPT AGRON & SOILS,PULLMAN,WA 99164. RP WILSON, AD (reprint author), WASHINGTON STATE UNIV,DEPT VET CLIN MED,USDA ARS,REG PLANT INTRODUCT STN,PULLMAN,WA 99164, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 212 EP 212 PG 1 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500029 ER PT J AU GOTTWALD, TR RICHIE, SM CAMPBELL, CL AF GOTTWALD, TR RICHIE, SM CAMPBELL, CL TI LCOR2 - SPATIAL CORRELATION-ANALYSIS SOFTWARE FOR THE PERSONAL-COMPUTER SO PLANT DISEASE LA English DT Software Review ID PATTERN-ANALYSIS; PATHOGENS; NURSERIES AB A software program for the personal computer, written in the 'C' language, was developed to analyze spatial patterns of plant disease and pathogen propagules. The program was adapted from a previous mainframe version and is based on the Modjeska and Rawlings model for spatial correlation analysis of uniformity data. The mainframe program was improved by addition of degrees of freedom and significance tables to test correlation coefficients at each spatial lag position. The LCOR2 program will accommodate data files of up to 10,000 points. The LCOR2 program and user guide are available free of charge. C1 UNIV CENT FLORIDA,DEPT ELECT ENGN,ORLANDO,FL 32816. N CAROLINA STATE UNIV,DEPT PLANT PATHOL,RALEIGH,NC 27695. RP GOTTWALD, TR (reprint author), USDA ARS,2120 CAMDEN RD,ORLANDO,FL 32803, USA. NR 10 TC 36 Z9 41 U1 0 U2 2 PU AMER PHYTOPATHOLOGICAL SOC PI ST PAUL PA 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 SN 0191-2917 J9 PLANT DIS JI PLANT DIS. PD FEB PY 1992 VL 76 IS 2 BP 213 EP 215 PG 3 WC Plant Sciences SC Plant Sciences GA HA565 UT WOS:A1992HA56500030 ER PT J AU LI, N PARSONS, BL LIU, DR MATTOO, AK AF LI, N PARSONS, BL LIU, DR MATTOO, AK TI ACCUMULATION OF WOUND-INDUCIBLE ACC SYNTHASE TRANSCRIPT IN TOMATO FRUIT IS INHIBITED BY SALICYLIC-ACID AND POLYAMINES SO PLANT MOLECULAR BIOLOGY LA English DT Article DE TOMATO; GENE EXPRESSION; WOUNDING; ETHYLENE; GLYCINE-RICH PROTEIN; RIBOSOMAL-RNA; POLYAMINES ID ENCODING 1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE; ETHYLENE BIOSYNTHESIS; GENE-EXPRESSION; CLONING; TISSUE; PLANTS; IDENTIFICATION; METHIONINE; RESISTANCE; SENESCENCE AB Regulation of wound-inducible 1-aminocyclopropane-1-carboxylic acid (ACC) synthase expression was studied in tomato fruit (Lycopersicon esculentum cv. Pik-Red). A 70 base oligonucleotide probe homologous to published ACC synthase cDNA sequences was successfully used to identify and analyze regulation of a wound-inducible transcript. The 1.8 kb ACC synthase transcript increased upon wounding the fruit as well as during fruit ripening. Salicylic acid, an inhibitor of wound-responsive genes in tomato, inhibited the wound-induced accumulation of the ACC synthase transcript. Further, polyamines (putrescine, spermidine and spermine) that have anti-senescence properties and have been shown to inhibit the development of ACC synthase activity, inhibited the accumulation of the wound-inducible ACC synthase transcript. The inhibition by spermine was greater than that caused by putrescine or spermidine. The transcript level of a wound-repressible glycine-rich protein gene and that of the constitutively expressed rRNA were not affected as markedly by either salicylic acid or polyamines. These data suggest that salicylic acid and polyamines may specifically regulate ethylene biosynthesis at the level of ACC synthase transcript accumulation. C1 USDA ARS,BELTSVILLE AGR RES CTR,PLANT MOLEC BIOL LAB,BLDG 006,BELTSVILLE,MD 20705. RI Mattoo, Autar/G-9863-2011 NR 54 TC 99 Z9 114 U1 1 U2 8 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0167-4412 J9 PLANT MOL BIOL JI Plant Mol.Biol. PD FEB PY 1992 VL 18 IS 3 BP 477 EP 487 DI 10.1007/BF00040664 PG 11 WC Biochemistry & Molecular Biology; Plant Sciences SC Biochemistry & Molecular Biology; Plant Sciences GA HF244 UT WOS:A1992HF24400006 PM 1371404 ER PT J AU CHRISTENSEN, AH SHARROCK, RA QUAIL, PH AF CHRISTENSEN, AH SHARROCK, RA QUAIL, PH TI MAIZE POLYUBIQUITIN GENES - STRUCTURE, THERMAL PERTURBATION OF EXPRESSION AND TRANSCRIPT SPLICING, AND PROMOTER ACTIVITY FOLLOWING TRANSFER TO PROTOPLASTS BY ELECTROPORATION SO PLANT MOLECULAR BIOLOGY LA English DT Article DE ELECTROPORATION; HEAT SHOCK; MAIZE; PROMOTER; SPLICING; UBIQUITIN ID HEAT-SHOCK PROTEIN; MESSENGER-RNA; ARABIDOPSIS-THALIANA; UBIQUITIN EXTENSION; SEQUENCE-ANALYSIS; CELLS; DNA; IDENTIFICATION; LOCALIZATION; INHIBITION AB Two genomic clones (lambda-Ubi-1 and lambda-Ubi-2) encoding the highly conserved 76 amino acid protein ubiquitin have been isolated from maize. Sequence analysis shows that both genes contain seven contiguous direct repeats of the protein coding region in a polyprotein conformation. The deduced amino acid sequence of all 14 repeats is identical and is the same as for other plant ubiquitins. The use of transcript-specific oligonucleotide probes shows that Ubi-1 and Ubi-2 are expressed constitutively at 25-degrees-C but are inducible to higher levels at elevated temperatures in maize seedlings. Both genes contain an intron in the 5' untranslated region which is inefficiently processed following a brief, severe heat shock. The transcription start site of Ubi-1 has been determined and a transcriptional fusion of 0.9 kb of the 5' flanking region and the entire 5' untranslated sequence of Ubi-1 with the coding sequence of the gene encoding the reporter molecule chloramphenicol acetyl transferase (CAT) has been constructed (pUBI-CAT). CAT assays of extracts of protoplasts electroporated with this construct show that the ubiquitin gene fragment confers a high level of CAT expression in maize and other monocot protoplasts but not in protoplasts of the dicot tobacco. Expression from the Ubi-1 promoter of pUBI-CAT yields more than a 10-fold higher level of CAT activity in maize protoplasts than expression from the widely used cauliflower mosaic virus 35S promoter of a 35S-CAT construct. Conversely, in tobacco protoplasts CAT activity from transcription of pUBI-CAT is less than one tenth of the level from p35S-CAT. C1 UNIV CALIF BERKELEY,USDA,CTR PLANT GENE EXPRESS,800 BUCHANAN ST,ALBANY,CA 94710. GEORGE MASON UNIV,DEPT BIOL,FAIRFAX,VA 22030. MONTANA STATE UNIV,DEPT BIOL,BOZEMAN,MT 59717. FU NIGMS NIH HHS [GM36381] NR 37 TC 687 Z9 733 U1 6 U2 41 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0167-4412 J9 PLANT MOL BIOL JI Plant Mol.Biol. PD FEB PY 1992 VL 18 IS 4 BP 675 EP 689 DI 10.1007/BF00020010 PG 15 WC Biochemistry & Molecular Biology; Plant Sciences SC Biochemistry & Molecular Biology; Plant Sciences GA HM816 UT WOS:A1992HM81600005 PM 1313711 ER PT J AU SHANI, N STEFFENCAMPBELL, JD ANDERSON, OD GREENE, FC GALILI, G AF SHANI, N STEFFENCAMPBELL, JD ANDERSON, OD GREENE, FC GALILI, G TI ROLE OF THE AMINO-TERMINAL AND CARBOXY-TERMINAL REGIONS IN THE FOLDING AND OLIGOMERIZATION OF WHEAT HIGH-MOLECULAR-WEIGHT GLUTENIN SUBUNITS SO PLANT PHYSIOLOGY LA English DT Article ID TRITICUM-AESTIVUM L; POLYACRYLAMIDE GEL-ELECTROPHORESIS; L STORAGE PROTEINS; NUCLEOTIDE-SEQUENCE; RNA-POLYMERASE; BREAD WHEAT; GENE; EXPRESSION; CHROMOSOMES; VECTORS AB The high molecular weight glutenin subunits are considered one of the most important components of wheat (Triticum aestivum) gluten, but their structure and interactions with other gluten proteins are still unknown. Understanding the role of these proteins in gluten formation may be aided by analyses of the conformation and interactions of individual wild-type and modified subunits expressed in heterologous systems. In the present report, the bacterium Escherichia coli was used to synthesize four naturally occurring X- and Y-type wheat high molecular weight glutenin subunits of the Glu-1D locus, as well as four bipartite chimeras of these proteins. Naturally occurring subunits synthesized in the bacteria exhibited sodium dodecyl sulfate-polyacrylamide gel electrophoresis migration properties identical to those of high molecular weight glutenin subunits extracted from wheat grains. Wild-type and chimeric subunits migrated in sodium dodecyl sulfate gels differently than expected based on their molecular weights due to conformational properties of their N- and C-terminal regions. Results from cycles of reductive cleavage and oxidative reformation were consistent with the formation of both inter- and intramolecular disulfide bonds in patterns and proportions that differed among specific high molecular weight glutenin species. Comparison of the chimeric and wild-type proteins indicated that the two C-terminal cysteines of the Y-type subunits are linked by intramolecular disulfide bonds, suggesting that the role of these cysteines in glutenin polymerization may be limited. C1 WEIZMANN INST SCI,DEPT PLANT GENET,IL-76100 REHOVOT,ISRAEL. USDA,WESTERN REG RES CTR,ALBANY,CA 94710. NR 30 TC 35 Z9 35 U1 0 U2 0 PU AMER SOC PLANT PHYSIOLOGISTS PI ROCKVILLE PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 SN 0032-0889 J9 PLANT PHYSIOL JI Plant Physiol. PD FEB PY 1992 VL 98 IS 2 BP 433 EP 441 DI 10.1104/pp.98.2.433 PG 9 WC Plant Sciences SC Plant Sciences GA HG525 UT WOS:A1992HG52500004 PM 16668658 ER PT J AU KLEIN, RR SALVUCCI, ME AF KLEIN, RR SALVUCCI, ME TI PHOTOAFFINITY-LABELING OF MATURE AND PRECURSOR FORMS OF THE SMALL SUBUNIT OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE/OXYGENASE AFTER EXPRESSION IN ESCHERICHIA-COLI SO PLANT PHYSIOLOGY LA English DT Article ID RIBULOSE-BISPHOSPHATE CARBOXYLASE; ACTIVE-SITE; OXYGENASE; RUBISCO; PROTEINS; DNA AB The small subunit (SSU) of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) possesses a binding site that can be photoaffinity labeled with [P-32]8-azidoadenosine 5' triphosphate (N3ATP). In the present study, photoaffinity labeling was used to compare the nucleotide analog binding properties of SSU in the Rubisco holoenzyme complex (holoE SSU) with the properties of isolated SSU and the precursor form (pSSU) that contains a transit peptide. To facilitate these studies, the complete coding regions of tobacco (Nicotiana tabacum L.) SSU and pSSU were cloned into pET expression vectors and the polypeptides were synthesized in Escherichia coli. Protein import studies showed that cloned pSSU polypeptides were imported into intact chloroplast, where they were processed to the mature form and assembled into the Rubisco holoenzyme. Cloned SSU and pSSU isolated from E. coli were photoaffinity labeled with N3ATP. The apparent K(D) value for SSU and pSSU, 18 micromolar N3ATP, was identical to the value determined for holoE SSU. However, differences in photolabeling between cloned SSU or pSSU and holoE SSU were apparent in the level of protection afforded by ATP and UTP, in the response of photolabeling to free Mg2+, and in the higher photolabeling efficiency that characterized the cloned SSU. Treatment of the Rubisco holoenzyme with a concentration of urea sufficient to disassociate the subunits markedly increased photoincorporation into SSU, indicating that intersubunit associations within the holoenzyme complex may be the major factor influencing photolabeling efficiency of SSU. Thus, differences in SSU conformation between the isolated and assembled states affect photolabeling efficiency and other nucleotide analog binding properties of the SSU, but not the apparent affinity for N3ATP. C1 UNIV KENTUCKY,DEPT AGRON,LEXINGTON,KY 40546. RP KLEIN, RR (reprint author), USDA ARS,LEXINGTON,KY 40546, USA. NR 24 TC 28 Z9 28 U1 0 U2 3 PU AMER SOC PLANT PHYSIOLOGISTS PI ROCKVILLE PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 SN 0032-0889 J9 PLANT PHYSIOL JI Plant Physiol. PD FEB PY 1992 VL 98 IS 2 BP 546 EP 553 DI 10.1104/pp.98.2.546 PG 8 WC Plant Sciences SC Plant Sciences GA HG525 UT WOS:A1992HG52500021 PM 16668675 ER PT J AU DITOMASO, JM HART, JJ KOCHIAN, LV AF DITOMASO, JM HART, JJ KOCHIAN, LV TI TRANSPORT KINETICS AND METABOLISM OF EXOGENOUSLY APPLIED PUTRESCINE IN ROOTS OF INTACT MAIZE SEEDLINGS SO PLANT PHYSIOLOGY LA English DT Article ID CARROT CELL-CULTURES; POLYAMINE OXIDASE; SUBCELLULAR-LOCALIZATION; HIGHER-PLANTS; PROTOPLASTS; ACCUMULATION; SPERMIDINE; MEMBRANE AB Putrescine metabolism, uptake, and compartmentation were studied in roots of hydroponically grown intact maize (Zea mays L.) seedlings. In vivo analysis of exogenously applied putrescine indicated that the diamine is primarily metabolized by a cell wall-localized diamine oxidase. Time-dependent kinetics for putrescine uptake could be resolved into a rapid phase of uptake and binding within the root apoplasm, followed by transport across the plasma membrane that was linear for 30 to 40 minutes. Concentration-dependent kinetics for putrescine uptake (between 0.05 and 1.0 millimolar putrescine) appeared to be nonsaturating but could be resolved into a saturable (V(max) 0.397 micromoles per gram fresh weight per hour; K(m) 120 micromolar) and a linear component. The linear component was determined to be cell wall-bound putrescine that was not removed during the desorption period following uptake of [H-3]putrescine. These results suggest that a portion of the exogenously applied putrescine can be metabolized in maize root cell walls by diamine oxidase activity, but the bulk of the putrescine is transported across the plasmalemma by a carrier-mediated process, similar to that proposed for animal systems. C1 CORNELL UNIV,USDA ARS,US PLANT SOIL & NUTR LAB,ITHACA,NY 14853. RP DITOMASO, JM (reprint author), CORNELL UNIV,DEPT SOIL CROP & ATMOSPHER SCI,ITHACA,NY 14853, USA. OI Kochian, Leon/0000-0003-3416-089X NR 32 TC 44 Z9 47 U1 0 U2 3 PU AMER SOC PLANT PHYSIOLOGISTS PI ROCKVILLE PA 15501 MONONA DRIVE, ROCKVILLE, MD 20855 SN 0032-0889 J9 PLANT PHYSIOL JI Plant Physiol. PD FEB PY 1992 VL 98 IS 2 BP 611 EP 620 DI 10.1104/pp.98.2.611 PG 10 WC Plant Sciences SC Plant Sciences GA HG525 UT WOS:A1992HG52500031 PM 16668685 ER PT J AU GAST, RK BEARD, CW AF GAST, RK BEARD, CW TI EVALUATION OF A CHICK MORTALITY MODEL FOR PREDICTING THE CONSEQUENCES OF SALMONELLA-ENTERITIDIS INFECTIONS IN LAYING HENS SO POULTRY SCIENCE LA English DT Article DE SALMONELLA-ENTERITIDIS; CHICKENS; PATHOGENICITY; MORTALITY; TOTAL EGG PRODUCTION ID PHAGE TYPE-4; EGG TRANSMISSION; OUTBREAK AB The effects of four domestic Salmonella enteritidis (SE) isolates were compared in experimentally infected chicks and laying hens. The pathogenicity of each strain for 1-day-old chicks was determined by recording postinoculation mortality. The effects of the SE strains on adult hens were measured in terms of changes in total egg production, the frequency of production of SE-contaminated eggs, the dissemination of SE to internal organs, and the elicitation of a specific antibody response. Significant differences in the consequences of infection with different SE strains were observed in mortality rates among chicks and in total egg production, the frequency of production of contaminated eggs, and the serum antibody response among laying hens. The usefulness of a chick mortality model for predicting the probable frequency of production of contaminated eggs by laying hens infected with particular SE strains was then further evaluated by infecting chicks and laying hens with four other field isolates of SE. Although significant differences between SE strains were observed in both chick mortality and the frequency of production of contaminated eggs by hens, a strong correlation between these two parameters was not evident. RP GAST, RK (reprint author), USDA ARS,SE POULTRY RES LAB,ATHENS,GA 30605, USA. NR 22 TC 29 Z9 31 U1 0 U2 0 PU POULTRY SCIENCE ASSOC INC PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0032-5791 J9 POULTRY SCI JI Poult. Sci. PD FEB PY 1992 VL 71 IS 2 BP 281 EP 287 PG 7 WC Agriculture, Dairy & Animal Science SC Agriculture GA HB655 UT WOS:A1992HB65500007 PM 1546038 ER PT J AU MAY, JD LOTT, BD AF MAY, JD LOTT, BD TI FEED AND WATER-CONSUMPTION PATTERNS OF BROILERS AT HIGH ENVIRONMENTAL TEMPERATURES SO POULTRY SCIENCE LA English DT Article DE FEED; WATER; ACCLIMATION; HEAT; STRESS ID CHICKENS AB Broilers were reared on litter to determine the effect of cyclic environmental temperatures on feed and water consumption patterns. The temperatures were constant at 24 C for several days before cyclic temperatures were started. Control broilers continued at 24 C but the treatment was a daily 24-35-24 C cycle for 3 days. Broilers that were 5, 6, or 7 wk old consumed as much feed or water the 1st day of the cycle as on the succeeding days. Feed and water consumption were determined for 6-h periods each day beginning at minimum temperature with two periods during rising temperature and two periods during declining temperature. Feed consumption was depressed when the temperatures were declining. Water consumption increased during the 12 h when the temperature was maximum. At 7 wk, water consumption was greater for broilers on the cyclic temperature for each 6-h period except for the period of temperature decline immediately preceding the minimum temperature. Broilers exposed to the 3 days of cyclic temperatures consumed more water than controls during a subsequent exposure to temperatures up to 40.8 C. The data show that the increased water consumption and decreased feed consumption observed due to high, cyclic temperatures arise from changes that occur during some times of the day and no changes occur during other times. The increase in water consumption precedes the reduction in feed consumption. RP MAY, JD (reprint author), USDA ARS,S CENT POULTRY RES LAB,MISSISSIPPI STATE,MS 39762, USA. NR 8 TC 33 Z9 34 U1 1 U2 8 PU POULTRY SCIENCE ASSOC INC PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0032-5791 J9 POULTRY SCI JI Poult. Sci. PD FEB PY 1992 VL 71 IS 2 BP 331 EP 336 PG 6 WC Agriculture, Dairy & Animal Science SC Agriculture GA HB655 UT WOS:A1992HB65500014 PM 1546044 ER PT J AU BAKST, MR CECIL, HC AF BAKST, MR CECIL, HC TI RESEARCH NOTE - EFFECTS OF AGITATION AND TEMPERATURE-CHANGES ON TURKEY SPERM VIABILITY AFTER 24 HOUR STORAGE SO POULTRY SCIENCE LA English DT Note DE TURKEYS; ARTIFICIAL INSEMINATION; DILUENTS; SEMEN STORAGE; SPERM VIABILITY AB The effects of agitation and temperature changes on turkey sperm viability were estimated before and after 24 h storage at 7 C using the ethidium bromide (EB) procedure and a sperm stress test. The stress test is identical to the EB procedure except the buffer is hypotonic. Labile sperm lyse and are then stained with the EB. Treatments consisted of semen diluted 1:1 and subjected to one of the following procedures: agitation (pipetting up and down 25 times, repeated 4 times at 15-min intervals); temperature changes (semen moved from 7 to 26 C and back to 7 C 3 times at 30-min intervals); or control semen procedures (diluted semen is placed on an orbital shaker at 7 C). Each semen treatment was evaluated within 3 h of dilution and after 24 h storage. Agitation and temperature changes did not affect viability of sperm. Regardless of treatment, the EB procedure revealed no differences in sperm viability before or after 24 h storage. In contrast, the same samples subjected to the stress test revealed significant increases in nonviable sperm after 24 h storage. However, there was no treatment by test interaction. These data indicate that mixing semen with diluent and mild changes in semen temperature associated with the transport of semen between the interval of semen collection to insemination, even up to 24 h storage, have minor effects on sperm viability. RP BAKST, MR (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,AVIAN PHYSIOL LAB,BELTSVILLE,MD 20705, USA. NR 3 TC 3 Z9 3 U1 0 U2 0 PU POULTRY SCIENCE ASSOC INC PI SAVOY PA 1111 NORTH DUNLAP AVE, SAVOY, IL 61874 SN 0032-5791 J9 POULTRY SCI JI Poult. Sci. PD FEB PY 1992 VL 71 IS 2 BP 395 EP 397 PG 3 WC Agriculture, Dairy & Animal Science SC Agriculture GA HB655 UT WOS:A1992HB65500025 PM 1546051 ER PT J AU ISFORT, R JONES, D KOST, R WITTER, R KUNG, HJ AF ISFORT, R JONES, D KOST, R WITTER, R KUNG, HJ TI RETROVIRUS INSERTION INTO HERPESVIRUS IN VITRO AND IN VIVO SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE RETICULOENDOTHELIOSIS VIRUS; MAREK DISEASE VIRUS; LONG TERMINAL REPEAT; LYMPHOMA-T ID MAREKS-DISEASE VIRUS; HUMAN IMMUNODEFICIENCY VIRUS; LONG TERMINAL REPEAT; RETICULOENDOTHELIOSIS VIRUS; CD4+ LYMPHOCYTES; SURFACE-ANTIGEN; VIRAL-DNA; ACTIVATION; SEQUENCE; CHICKENS AB Retroviruses and herpesviruses are naturally occurring pathogens of humans and animals. Coinfection of the same host with both these viruses is common. We report here that a retrovirus can integrate directly into a herpesvirus genome. Specifically, we demonstrate insertion of a nonacute retrovirus, reticuloendotheliosis virus (REV), into a herpesvirus, Marek disease virus (MDV). Both viruses are capable of inducing T lymphomas in chickens and often coexist in the same animal. REV DNA integration into MDV occurred in a recently attenuated strain of MDV and in a short-term coinfection experiment in vitro. We also provide suggestive evidence that REV has inserted into pathogenic strains of MDV in the past. Sequences homologous to the REV long terminal repeat are found in oncogenic MDV but not in nononcogenic strains. These results raise the possibility that retroviral information may be transmitted by herpesvirus and that herpesvirus expression can be modulated by retroviral elements. In addition, retrovirus may provide a useful tool to characterize herpesviral function by insertional mutagenesis. C1 CASE WESTERN RESERVE UNIV, SCH MED, DIV INFECT DIS, CLEVELAND, OH 44106 USA. PROCTER & GAMBLE CO, MIAMI VALLEY LABS, DIV HUMAN & ENVIRONM SAFETY, GENET TOXICOL SECT, CINCINNATI, OH 45239 USA. USDA ARS, REG POULTRY RES LAB, E LANSING, MI 48823 USA. RP ISFORT, R (reprint author), CASE WESTERN RESERVE UNIV, SCH MED, DEPT MOLEC BIOL & MICROBIOL, CLEVELAND, OH 44106 USA. RI Kung, Hsing-Jien/C-7651-2013; Jones, Daniel/I-7399-2015 FU NCI NIH HHS [CA 46613, P-30 CA 43703] NR 38 TC 107 Z9 124 U1 0 U2 4 PU NATL ACAD SCIENCES PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD FEB 1 PY 1992 VL 89 IS 3 BP 991 EP 995 DI 10.1073/pnas.89.3.991 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA HC385 UT WOS:A1992HC38500046 PM 1310544 ER PT J AU CHEN, MS JOHNSON, B WEN, L MUTHUKRISHNAN, S KRAMER, KJ MORGAN, TD REECK, GR AF CHEN, MS JOHNSON, B WEN, L MUTHUKRISHNAN, S KRAMER, KJ MORGAN, TD REECK, GR TI RICE CYSTATIN - BACTERIAL EXPRESSION, PURIFICATION, CYSTEINE PROTEINASE INHIBITORY ACTIVITY, AND INSECT GROWTH SUPPRESSING ACTIVITY OF A TRUNCATED FORM OF THE PROTEIN SO PROTEIN EXPRESSION AND PURIFICATION LA English DT Article ID HUMAN STEFIN-B; ESCHERICHIA-COLI; CALLOSOBRUCHUS-MACULATUS; MOLECULAR-CLONING; GENE; ORYZACYSTATIN; E-64; SEQUENCE; SEEDS; GUT C1 USDA ARS,N CENT REG,US GRAIN MKT RES LAB,MANHATTAN,KS 66502. KANSAS STATE UNIV AGR & APPL SCI,DEPT BIOCHEM,MANHATTAN,KS 66506. WESTERN ILLINOIS UNIV,DEPT CHEM,MACOMB,IL 61455. NR 41 TC 75 Z9 83 U1 0 U2 2 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 1046-5928 J9 PROTEIN EXPRES PURIF JI Protein Expr. Purif. PD FEB PY 1992 VL 3 IS 1 BP 41 EP 49 DI 10.1016/1046-5928(92)90054-Z PG 9 WC Biochemical Research Methods; Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology SC Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology GA HK150 UT WOS:A1992HK15000006 PM 1422207 ER PT J AU DAUGHTRY, CST GALLO, KP GOWARD, SN PRINCE, SD KUSTAS, WP AF DAUGHTRY, CST GALLO, KP GOWARD, SN PRINCE, SD KUSTAS, WP TI SPECTRAL ESTIMATES OF ABSORBED RADIATION AND PHYTOMASS PRODUCTION IN CORN AND SOYBEAN CANOPIES SO REMOTE SENSING OF ENVIRONMENT LA English DT Article ID PHOTOSYNTHETICALLY ACTIVE RADIATION; LEAF-AREA INDEX; WHEAT; GROWTH; YIELD; EVAPOTRANSPIRATION AB Numerous studies have reported a linear relation between phytomass production and absorbed photosynthetically active radiation (APAR) for a wide range of plant species. Related work has shown that APAR may be estimated from multispectral (visible and near infrared) remotely sensed observations. The combination of these two concepts may provide the basis for development of physically-based agronomic monitoring systems. These concepts are subjected to examination for two primary, mid-latitude crops; corn (Zea mays L.) and soybeans (Glycine max Merr.). Phytomass, green leaf area index (LAI), absorbed PAR, and multispectral reflectance factors of corn and soybean were measured periodically from planting to mid-grain fill in two growing seasons. As green LAI increased, the fractional APAR asymptotically approached a maximum value between 0.95 and 0.97. Fractional APAR displayed a linear relation to the normalized difference vegetation index (NDVI), which is relatively independent of species, throughout the growing seasons. However, deviations in the relation were observed between pre- and post-onset of senescence. For both corn and soybean, a linear relation between cumulative APAR and cumulative above-ground phytomass production was found. However, the rate of accumulation per unit APAR was more than twice as great for corn as for soybean. This agrees with previous reports comparing C4 grasses and C3 legumes. These results indicate that remotely sensed measurements contribute valuable information concerning energy/mass accumulation in plant canopies. However, implementation of this approach in crop monitoring will clearly require a capability to discriminate between, at least, corn and soybean. The influence of stress events, such as drought, nutrient limitations, and disease, will also require further consideration. C1 UNIV MARYLAND, DEPT GEOG, COLLEGE PK, MD 20742 USA. USDA ARS, BELTSVILLE AGR RES CTR, HYDROL LAB, BELTSVILLE, MD 20705 USA. NOAA, NATL ENVIRONM SATELLITE DATA & INFORMAT SERV, SATELLITE RES LAB, NATL CLIMAT DATA CTR, ASHEVILLE, NC USA. RP DAUGHTRY, CST (reprint author), USDA ARS, BELTSVILLE AGR RES CTR,REMOTE SENSING RES LAB, BLDG 001,BARC W, 10300 BALTIMORE AVE, BELTSVILLE, MD 20705 USA. RI Gallo, Kevin P./F-5588-2010 NR 28 TC 148 Z9 159 U1 4 U2 24 PU ELSEVIER SCIENCE INC PI NEW YORK PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA SN 0034-4257 EI 1879-0704 J9 REMOTE SENS ENVIRON JI Remote Sens. Environ. PD FEB PY 1992 VL 39 IS 2 BP 141 EP 152 DI 10.1016/0034-4257(92)90132-4 PG 12 WC Environmental Sciences; Remote Sensing; Imaging Science & Photographic Technology SC Environmental Sciences & Ecology; Remote Sensing; Imaging Science & Photographic Technology GA HE859 UT WOS:A1992HE85900005 ER PT J AU COVEY, T BESSLER, DA AF COVEY, T BESSLER, DA TI TESTING FOR GRANGER FULL CAUSALITY SO REVIEW OF ECONOMICS AND STATISTICS LA English DT Article ID PREQUENTIAL ANALYSIS; FUTURES PRICES; CATTLE PRICES; INFORMATION; MARKETS; MONEY; SPOT; CASH AB A procedure is proposed to test for the existence of a fully causal relationship between two variables. The method involves contrasting the probabilistic forecasting performance of a univariate and bivariate specification for the same variable Y. If there exists some theory or belief that X causes Y, and the addition of a variable X to the information set of a prequential forecasting system for a variable Y reduces miscalibration and/or the level of forecast uncertainty with respect to Y's distribution for the next period, then a fully causal effect running from X to Y may be inferred. Vector autoregression allows testing for feedback. The method is applied to the issue of causality between the live cattle futures market and a major slaughter cattle cash market. C1 TEXAS A&M UNIV SYST,COLLEGE STN,TX 77843. RP COVEY, T (reprint author), USDA,WASHINGTON,DC 20250, USA. RI Bessler, David/A-9226-2009 NR 26 TC 3 Z9 3 U1 0 U2 2 PU MIT PRESS PI CAMBRIDGE PA 55 HAYWARD ST JOURNALS DEPT, CAMBRIDGE, MA 02142 SN 0034-6535 J9 REV ECON STAT JI Rev. Econ. Stat. PD FEB PY 1992 VL 74 IS 1 BP 146 EP 153 DI 10.2307/2109552 PG 8 WC Economics; Social Sciences, Mathematical Methods SC Business & Economics; Mathematical Methods In Social Sciences GA HR134 UT WOS:A1992HR13400017 ER PT J AU COOK, RJ AF COOK, RJ TI GARRETT,STEPHEN,DENIS - IN MEMORIAM SO SOIL BIOLOGY & BIOCHEMISTRY LA English DT Item About an Individual RP COOK, RJ (reprint author), WASHINGTON STATE UNIV,USDA ARS,ROOT DIS & BIOL CONTROL RES UNIT,367 JOHNSON HALL,PULLMAN,WA 99164, USA. NR 1 TC 0 Z9 0 U1 0 U2 0 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB SN 0038-0717 J9 SOIL BIOL BIOCHEM JI Soil Biol. Biochem. PD FEB PY 1992 VL 24 IS 2 BP 81 EP 82 DI 10.1016/0038-0717(92)90261-U PG 2 WC Soil Science SC Agriculture GA HG792 UT WOS:A1992HG79200001 ER PT J AU MOORMAN, TB BRODER, MW KOSKINEN, WC AF MOORMAN, TB BRODER, MW KOSKINEN, WC TI KINETICS OF EPTC BIODEGRADATION AND THE EFFECTS OF THE INHIBITOR DIETHOLATE IN SOLIDS SO SOIL BIOLOGY & BIOCHEMISTRY LA English DT Article ID CARBAMOTHIOATE HERBICIDES; DEGRADING MICROORGANISMS; THIOCARBAMATE HERBICIDES; ACCELERATED DEGRADATION; SOILS; BUTYLATE; POPULATIONS; BIOMASS; R-33865; CARBON AB The mineralization kinetics and incorporation into microbial biomass of [N-alpha propyl-C-14] and [carbonyl-C-14]EPTC (S-ethyl dipropylcarbamothioate) were determined in a soil with no previous use of carbamothioate herbicides, and two soils with previous exposure to the herbicide EPTC. Previous exposure to EPTC resulted in microbial adaptation to EPTC, as evidenced by increased degradation and mineralization of EPTC. Amounts of (CO2)-C-14 evolved from [N-alpha propyl-C-14]EPTC in adapted soils were nearly twice that from nonadapted soil. The maximum recovery of EPTC in microbial biomass was 2.6% of added C-14. Dietholate (O,O-diethyl O-phenyl phosphorothioate), which extends persistence and weed control of EPTC, appears to act by inhibiting metabolism of the carbonyl linkage of EPTC, based on [carbonyl-C-14]EPTC mineralization. Dietholate lost effectiveness after repeated applications with EPTC. C1 USDA ARS,50 WEED SCI LAB,STONEVILLE,MS 38776. NR 30 TC 5 Z9 5 U1 0 U2 1 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, ENGLAND OX5 1GB SN 0038-0717 J9 SOIL BIOL BIOCHEM JI Soil Biol. Biochem. PD FEB PY 1992 VL 24 IS 2 BP 121 EP 127 DI 10.1016/0038-0717(92)90267-2 PG 7 WC Soil Science SC Agriculture GA HG792 UT WOS:A1992HG79200007 ER PT J AU WALTERS, DT AULAKH, MS DORAN, JW AF WALTERS, DT AULAKH, MS DORAN, JW TI EFFECTS OF SOIL AERATION, LEGUME RESIDUE, AND SOIL TEXTURE ON TRANSFORMATIONS OF MACRONUTRIENTS AND MICRONUTRIENTS IN SOILS SO SOIL SCIENCE LA English DT Article AB Soil aeration is an important factor controlling microbial activity, nutrient availability, and plant root growth. We investigated the effect of hairy vetch (Vicia villosa) addition to well aerated (60% water-filled pore space (WFPS)) and poorly aerated (90% WFPS) soils of varying texture on transformations of C, N, P, K, Ca, Mg, S, Zn, Mn, Fe, and Cu for a 30-d period. Of the total residue C recovered as CO2-C, 84 and 68% evolved in 0 to 10 d and 11 and 19% from 10 to 20 d at 60 and 90% WFPS, respectively, suggesting rapid decomposition of vetch residue. Of the total nutrients added to soil in vetch residue, significant apparent mineralization of N, P, K, S, and Zn were observed after the initial 20 d of aerobic incubation. Rapidly decomposing residue enhanced anaerobiosis in poorly aerated soils resulting in chemical reduction and a severalfold increase DTPA extractable Mn, Fe, and Cu after 20 d. After 30 d, reoxidation of these nutrients resulted in decreased DTPA extractable concentrations. At 90% WFPS, coarse soil texture retarded residue composition, and texture had a controlling influence on the time required for reoxidation of reduced Fe, Mn, and Cu in the order of SIC > SiL > SL. These results imply that incorporation of easily decomposable residue may supply substantial amounts of nutrients to growing plants. Where soils remain wet for > 10 d, residues may create intensive reducing conditions and a severalfold increase in available Fe, Mn, Cu, and P. Conversely, DTPA extractable Fe, Mn, and Cu can vary greatly within a few weeks depending on soil aeration status, residue management, time of sampling, and soil texture and may lead to erroneous indices of nutrient availability to plants. C1 PUNJAB AGR UNIV,DEPT SOILS,LUDHIANA 141004,PUNJAB,INDIA. UNIV NEBRASKA,USDA ARS,LINCOLN,NE 68583. RP WALTERS, DT (reprint author), UNIV NEBRASKA,DEPT AGRON,EAST CAMPUS,LINCOLN,NE 68583, USA. NR 29 TC 19 Z9 21 U1 1 U2 4 PU WILLIAMS & WILKINS PI BALTIMORE PA 351 WEST CAMDEN ST, BALTIMORE, MD 21201-2436 SN 0038-075X J9 SOIL SCI JI Soil Sci. PD FEB PY 1992 VL 153 IS 2 BP 100 EP 107 DI 10.1097/00010694-199202000-00003 PG 8 WC Soil Science SC Agriculture GA HF840 UT WOS:A1992HF84000003 ER PT J AU LOGSDON, SD ALLMARAS, RR NELSON, WW VOORHEES, WB AF LOGSDON, SD ALLMARAS, RR NELSON, WW VOORHEES, WB TI PERSISTENCE OF SUBSOIL COMPACTION FROM HEAVY AXLE LOADS SO SOIL & TILLAGE RESEARCH LA English DT Article ID SATURATED HYDRAULIC CONDUCTIVITY; WHEELED AGRICULTURAL VEHICLES; DISK PERMEAMETERS; SILT LOAM; SOIL; YIELD; MACROPOROSITY; TILLAGE; GROWTH; INFILTRATION AB As the persistence of subsoil compaction has a major impact on agricultural sustainability, responses of soil pore characteristics and plant roots to subsoil compaction were examined as related to heavy axle loads. A Ves clay loam was originally compacted with three axle loads of less than 4.5 (control), 9, and 18 Mg in the fall of 1981 (soil dry (D) ) and in the fall of 1982 (soil wet (W) ). The 9 Mg treatment was recompacted on both trials in the spring of 1988 with an 18 Mg axle load, and maize and soybean were grown in rotation. Field measurements in 1988 and 1989 included bulk density, biopore area, root number and location, ponded and negative water pressure infiltration, saturated hydraulic conductivity (K(sat)), and ped size distribution. Bulk densities measured under the row in 1989 for the W plots were increased in the 10-28 cm layer by the new 18 Mg load, whereas the original 18 Mg treatment had higher bulk densities in the 28-68 cm depth. The control had lower bulk densities than both compacted treatments for the 18-58 cm increment in 1989. The number and areas of biopores in the D control plots were at least ten times greater than in W control plots. Compaction at 35 cm reduced K(sat) and ponded infiltration compared with the control. Mean ped diameter ranged from 1.3 to almost four times greater in the compacted treatments than in the control. In spite of increased soil density, a substantial reduction in root growth was not observed. Roots grew around dense clods in the compact treatments allowing continual vertical extension. There was no evidence of poor drainage hindering crop growth in the heavy axle load treatments. C1 UNIV MINNESOTA,DEPT SOIL SCI,MINNEAPOLIS,MN 55455. UNIV MINNESOTA SW EXPT STN,LAMBERTON,MN 56152. USDA ARS,N CENT SOIL CONSERVAT RES LAB,N CENT SOIL CONSERVAT RES LAB,MORRIS,MN 56267. RP LOGSDON, SD (reprint author), USDA ARS,NATL SOIL TILTH LAB,2150 PAMMEL DR,AMES,IA 50011, USA. NR 25 TC 32 Z9 34 U1 2 U2 6 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-1987 J9 SOIL TILL RES JI Soil Tillage Res. PD FEB PY 1992 VL 23 IS 1-2 BP 95 EP 110 DI 10.1016/0167-1987(92)90007-X PG 16 WC Soil Science SC Agriculture GA HH420 UT WOS:A1992HH42000006 ER PT J AU REEVES, DW ROGERS, HH DROPPERS, JA PRIOR, SA POWELL, JB AF REEVES, DW ROGERS, HH DROPPERS, JA PRIOR, SA POWELL, JB TI WHEEL-TRAFFIC EFFECTS ON CORN AS INFLUENCED BY TILLAGE SYSTEM SO SOIL & TILLAGE RESEARCH LA English DT Article ID SOUTHEASTERN COASTAL-PLAIN; SOIL-WATER CONTENT; CONSERVATION TILLAGE; UNITED-STATES; COMPACTION; GROWTH AB Surface and subsoil compaction limit crop productivity on many soils of the southeastern Coastal Plain of the United States. Deep tillage, and to a lesser extent, controlled traffic have been utilized to manage soil compaction on these soils, but there is a need to develop tillage systems that integrate conservation tillage practices with deep tillage and controlled traffic. In 1988, a study was initiated with a wide-frame (6.3 m) vehicle to determine the interactive effects of traffic, deep tillage, and surface residues on com (Zea mays L.) grown on a Norfolk loamy sand (fine-loamy, siliceous, thermic, Typic Kandiudults). Com was planted into a winter cover crop of 'Cahaba White' vetch ( Vicia sativa L.) Treatments included: traffic (conventional equipment or no traffic); deep tillage (no deep tillage, in-row subsoiling, or complete disruption); surface tillage (no surface tillage or disk and field cultivate). Complete disruption was accomplished by subsoiling at a depth of 43 cm on 25-cm centers. Although tillage x traffic interactions significantly affected soil strength and soil water, the only grain yield response both years was due to a surface tillage x deep tillage interaction, In a drought year (1988), with surface tillage,yields averaged 3.54,2.75,and 1.41 t ha-1 with complete disruption, in-row subsoiling, and no deep tillage, respectively. Without surface tillage, respective yields averaged 3.77, 3.14, and 1. 12 t ha-1. In 1989 when rainfall amount and distribution were excellent, yields with complete disruption, in-row subsoiling, and no deep tillage averaged 7.79 t ha- 1, 7.08 t ha-1, and 6.44 t ha-1, respectively, with surface tillage; and 7.40 t ha-1, 6.91 t ha-1, and 4.70 t ha-1 respectively, without surface tillage. Soil strength and soil water measurements confirmed the detrimental effect of traffic after disking and field cultivation; however, soil water measurements and the lack of any yield response to applied traffic suggest that corn compensated for reduced rooting capacity in wheeled interrows by increased rooting in non-wheeled interrows. C1 USDA ARS,ALABAMA AGR EXPT STN,AUBURN,AL 36849. RP REEVES, DW (reprint author), USDA ARS,NATL SOIL DYNAM LAB,AUBURN,AL 36849, USA. NR 25 TC 28 Z9 28 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-1987 J9 SOIL TILL RES JI Soil Tillage Res. PD FEB PY 1992 VL 23 IS 1-2 BP 177 EP 192 DI 10.1016/0167-1987(92)90013-2 PG 16 WC Soil Science SC Agriculture GA HH420 UT WOS:A1992HH42000012 ER PT J AU MAGNEY, P AF MAGNEY, P TI DOUBLE 486 SPEED, PERFORMANCE WITH NCR 3445 SO SYSTEMS INTEGRATION BUSINESS LA English DT Article RP MAGNEY, P (reprint author), USDA ARS,WORKSTN LAB,4324 N BELTLINE,IRVINE,TX 75038, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU CAHNERS-DENVER PUBLISHING CO PI HIGHLANDS RANCH PA 8773 S RIDGELINE BLVD, HIGHLANDS RANCH, CO 80126-2329 SN 0364-9342 J9 SYST INTEGRAT BUS PD FEB PY 1992 VL 25 IS 2 BP 50 EP 51 PG 2 WC Computer Science, Theory & Methods SC Computer Science GA HD275 UT WOS:A1992HD27500022 ER PT J AU AKHTAR, M ATTRIDGE, MC MYERS, GC KIRK, TK BLANCHETTE, RA AF AKHTAR, M ATTRIDGE, MC MYERS, GC KIRK, TK BLANCHETTE, RA TI BIOMECHANICAL PULPING OF LOBLOLLY-PINE WITH DIFFERENT STRAINS OF THE WHITE-ROT FUNGUS CERIPORIOPSIS-SUBVERMISPORA SO TAPPI JOURNAL LA English DT Article DE BIOMECHANICAL PULPING; ENERGY CONSERVATION; MECHANICAL PROPERTIES; MECHANICAL PULPING; OPTICAL PROPERTIES; PINUS-TAEDA; PRETREATMENT; RACES; REFINER MECHANICAL PULPS; WHITE-ROT FUNGI ID ASPEN CHIPS; STRENGTH; WOOD AB Loblolly pine chips were treated with five different strains of the white-rot fungus Ceriporiopsis subvermispora for four weeks prior to refiner mechanical pulping. Weight loss of the chips during fungal treatment ranged from 4% to 7%. The electricity consumed during fiberizing and refining of the treated chips was 21-37% less than for the untreated control chips. All five fungal strains improved burst (33-46%) and tear (47-60%) indices over the untreated control. Fungal treatment had no effect on tensile properties. Handsheets prepared from treated pulps had lower brightness and light-scattering coefficient. Treatment had no apparent effect on opacity. Based on energy savings and improvement in strength properties, strain FP-90031-sp appeared to be superior to the other strains. C1 USDA,QUIM FIS LAB,INST MICROBIAL & BIOCHEM TECHNOL,MADISON,WI 53705. UNIV MINNESOTA,DEPT PLANT PATHOL,ST PAUL,MN 55108. RP AKHTAR, M (reprint author), UNIV WISCONSIN,CTR BIOTECHNOL,MADISON,WI 53705, USA. NR 24 TC 68 Z9 68 U1 0 U2 1 PU TECH ASSN PULP PAPER IND INC PI NORCROSS PA 15 TECHNOLOGY PARK SOUTH, NORCROSS, GA 30092 SN 0734-1415 J9 TAPPI J JI TAPPI J. PD FEB PY 1992 VL 75 IS 2 BP 105 EP 109 PG 5 WC Materials Science, Paper & Wood SC Materials Science GA HC878 UT WOS:A1992HC87800010 ER PT J AU HARPER, RJ LAMBERT, AH AF HARPER, RJ LAMBERT, AH TI STONE FINISHING AND DYEING OF COTTON GARMENTS SO TEXTILE CHEMIST AND COLORIST LA English DT Article DE CATALYST POISONS; CATIONIC FINISHING SYSTEM; COTTON; CROSS-LINKING; DENIM; DIFFERENTIAL DYEING; FINISHING; GARMENT WET PROCESSING; OXIDIZING AGENTS; PIECE DYEING; STONE FINISHING AB Stone finishing of cotton garments has focused on the use of agents that modify already dyed fabrics. In this investigation, three stone finishing techniques were used as pretreatments to alter the response of the garment in a subsequent dyeing step. Process details are given and examples shown for each technique investigated. The first technique was the application of a crosslinker-cationic system so that areas touched by stones became cationic after curing and could be preferentially dyed on piece dyeing. The second technique, application of a catalyst poison to fabric sensitived with a crosslinker-cationic system, led to differential surface whiteness on piece dyeing. The third method investigated was the use of conventional crosslink systems, applied either by stones or as a pretreatment to a stone catalyst poison finish. These processes resulted in garments with a stone or acid washed look in a range of colors. RP HARPER, RJ (reprint author), USDA,SO REG RES CTR,POB 19687,NEW ORLEANS,LA 70179, USA. NR 0 TC 3 Z9 3 U1 0 U2 4 PU AMER ASSN TEXT CHEM COLOR PI RES TRIANGLE PK PA PO BOX 12215, RES TRIANGLE PK, NC 27709 SN 0040-490X J9 TEXT CHEM COLOR JI Text. Chem. Color. PD FEB PY 1992 VL 24 IS 2 BP 13 EP 18 PG 6 WC Materials Science, Textiles SC Materials Science GA HC480 UT WOS:A1992HC48000001 ER PT J AU SAWHNEY, APS RUPPENICKER, GF KIMMEL, LB ROBERT, KQ AF SAWHNEY, APS RUPPENICKER, GF KIMMEL, LB ROBERT, KQ TI COMPARISON OF FILAMENT-CORE SPUN YARNS PRODUCED BY NEW AND CONVENTIONAL METHODS SO TEXTILE RESEARCH JOURNAL LA English DT Article ID COTTON; FABRICS AB In recent years, we have been reporting our research on composite yams of mostly cotton content produced on a modified ring spinning system. Recently, we reported an improved method of producing an all staple-core spun yam, and we have applied the same method to filament-core spinning, obtaining a yam of greatly improved quality. The new filament-core yarn has almost total core coverage, does not strip, and is about 10% stronger (probably due to its improved yam structure) than a conventional filament-core yam. This paper briefly describes the new and conventional core spinning methods and evaluates nylon filament-core/cotton-wrap yams produced with them. There is also a comparison of the cover factor, strip resistance, and microscopic cross sections of a few other core yams (with Kevlar, fiberglass, and polyester cores). A significant improvement in the cover factor of the new yarn suggests that it may be very useful for sewing threads; ropes; twines; cables; special military, industrial, and surgical fabrics; and other textiles in which the high strength, durability, and a 100% cotton surface (for ease of finishing or coating) are important. RP SAWHNEY, APS (reprint author), USDA ARS,SO REG RES CTR,NEW ORLEANS,LA 70179, USA. NR 13 TC 46 Z9 51 U1 1 U2 2 PU TEXTILE RESEARCH INST PI PRINCETON PA PO BOX 625, PRINCETON, NJ 08540 SN 0040-5175 J9 TEXT RES J JI Text. Res. J. PD FEB PY 1992 VL 62 IS 2 BP 67 EP 73 PG 7 WC Materials Science, Textiles SC Materials Science GA HD293 UT WOS:A1992HD29300002 ER PT J AU TAYLOR, RA BROWN, RS GODBEY, LC AF TAYLOR, RA BROWN, RS GODBEY, LC TI REDUCING HVI STRENGTH VARIABILITY BY SENSING HUMIDITY SO TEXTILE RESEARCH JOURNAL LA English DT Article AB Short-term exposure of small cotton specimens to nonstandard atmospheric conditions can cause errors in their strength measurements. Experiments were conducted to evaluate the effect of local humidity changes on strength measurements. Two production model high volume instruments were equipped with humidity sensors near their specimen brushing stations. The system from one vendor was more sensitive to short-term humidity cycles (1.15 compared to 0.6 %gf/tex/%RH), while the other system was more sensitive to humidity changes including sample conditioning (1.81 compared to 1.42 %gf/tex/%RH). Both instruments showed a wide range of strength-humidity sensitivities for the 57 cottons surveyed. RP TAYLOR, RA (reprint author), USDA ARS,COTTON QUAL RES STN,CLEMSON,SC 29633, USA. NR 6 TC 2 Z9 2 U1 0 U2 0 PU TEXTILE RESEARCH INST PI PRINCETON PA PO BOX 625, PRINCETON, NJ 08540 SN 0040-5175 J9 TEXT RES J JI Text. Res. J. PD FEB PY 1992 VL 62 IS 2 BP 80 EP 86 PG 7 WC Materials Science, Textiles SC Materials Science GA HD293 UT WOS:A1992HD29300004 ER PT J AU ARIFOGLU, M MARMER, WN DUDLEY, RL AF ARIFOGLU, M MARMER, WN DUDLEY, RL TI REACTION OF THIOUREA WITH HYDROGEN-PEROXIDE - C-13 NMR-STUDIES OF AN OXIDATIVE REDUCTIVE BLEACHING PROCESS SO TEXTILE RESEARCH JOURNAL LA English DT Article ID SINGLE BATH; WOOL; DIOXIDE AB Thiourea's reaction with hydrogen peroxide in solution under bleaching conditions at three different pH values has been investigated using C-13 NMR spectroscopy. Since this reaction is fast and exothermic, it is essential that short total acquisition times be used to accumulate sufficient data to detect different species formed during the reaction. As the abundance of C-13 in the reactants in the concentration range studied is very low, C-13-labeled thiourea was used as the starting material. Sufficient data were accumulated in short acquisition times (2-4 minutes) to identify different species formed during the reaction. The results showed that different intermediate products are formed during the reactions, depending on the pH of the medium and the molar ratio of the reactants. The reaction goes through a thiourea dioxide intermediate; this then hydrolyzes under heat and neutral or alkaline conditions to yield sulfinate anion and urea if the initial reaction of thiourea with hydrogen peroxide is allowed to take place in acidic/neutral medium (pH = 4.0-7.0). Because thiourea dioxide hydrolyzes in solution, there is a rapid change in redox potential from a positive value to a high negative value. The species causing the negative redox potential, and hence the species responsible for reductive bleaching, is believed to be the sulfinate anion. The reaction of thiourea with hydrogen peroxide in hydrochloric acid at pH < 1 results in the formation of formamidine disulfide dihydrochloride, which decomposes at pH values greater than 1. C1 USDA ARS,EASTERN REG RES CTR,PHILADELPHIA,PA 19118. NR 27 TC 32 Z9 33 U1 1 U2 4 PU TEXTILE RESEARCH INST PI PRINCETON PA PO BOX 625, PRINCETON, NJ 08540 SN 0040-5175 J9 TEXT RES J JI Text. Res. J. PD FEB PY 1992 VL 62 IS 2 BP 94 EP 100 PG 7 WC Materials Science, Textiles SC Materials Science GA HD293 UT WOS:A1992HD29300006 ER PT J AU ROUSSET, M CARRILLO, JM QUALSET, CO KASARDA, DD AF ROUSSET, M CARRILLO, JM QUALSET, CO KASARDA, DD TI USE OF RECOMBINANT INBRED LINES OF WHEAT FOR STUDY OF ASSOCIATIONS OF HIGH-MOLECULAR-WEIGHT GLUTENIN SUBUNIT ALLELES TO QUANTITATIVE TRAITS .2. MILLING AND BREAD-BAKING QUALITY SO THEORETICAL AND APPLIED GENETICS LA English DT Article DE TRITICUM-AESTIVUM L; PROTEIN CONTENT; ADDITIVE GENE ACTION; EPISTASIS ID GRAIN-PROTEIN COMPOSITION; STATISTICAL CORRELATIONS; DOUGH PROPERTIES; MAKING QUALITY; FLOUR QUALITY; ATTRIBUTES; VARIETIES; PROGENY AB Recombinant inbred lines (RILs) derived by single plant descent to F8 from a hybrid of Anza, a low-quality cultivar, and Cajeme 71, a high-quality cultivar, differed in alleles at three high-molecular-weight glutenin (HMW-glu) seed storage protein loci. The 48 RILs were classified by SDS-PAGE for the Anza alleles Glu-Alc (null), Glu-B1b (subunits 7 + 8), and Glu-D1a (subunits 2 + 12) and for Cajeme 71 alleles Glu-A1a (subunit 1), Glu-B1i (subunits 17 + 18), and Glu-D1d (subunits 5 + 10). All RILs and parents were grown in a replicated field trial with three levels of nitrogen (N) fertilization. Additive and additive x additive gene effects for the three loci were detected by orthogonal comparisons of means for each of six wheat end-use quality traits. Each HMW-glu genotype was represented by three to ten RILs so that variability among RILs within each HMW-glu genotype could be examined. N effects were consistently small. All traits except flour yield were highly correlated with predictor traits studied earlier. Flour protein content, baking water absorption, dough mixing time, bread loaf volume, and bread loaf crumb score were all correlated, suggesting similar gene control for these traits; however, specific additive locus contributions were evident: alpha(B) for flour yield; alpha(B) and alpha(D) for flour protein; and alpha(B) for absorption, but differing in sign; all three loci for mixing time, but alpha(B) was negative; and all three loci were positively associated with loaf volume. Digenic epistatic effects were significant for flour yield (alpha(AD)), flour protein (alpha(AB)), and absorption and mixing time (alpha(AD)), alpha(BD)). Only flour yield showed a trigenic epistatic effect. Six of seven epistatic effects were negative, thus showing how progress in breeding for high quality may be impeded by interaction of genes which, by themselves, have strong positive additive effects. Considerable genetic variance among RILs within a HMW-glu genotype was detected for all traits, and the summation of alpha-effects accounted for a mean of 13% of the parental differences for the six traits examined in this study. Clearly, further resolution of the genetics of wheat quality would be desirable from a plant breeding point of view. C1 UNIV CALIF DAVIS,DEPT AGRON & RANGE SCI,DAVIS,CA 95616. INRA,IMPROVEMENT PLANTS STN,F-63039 CLERMONT FERRAND,FRANCE. USDA ARS,WESTERN REG RES CTR,BERKELEY,CA 94710. POLYTECH UNIV,ESCUELA TECH SUPER INGN AGRON,DEPT GENET,E-28040 MADRID,SPAIN. NR 18 TC 29 Z9 35 U1 0 U2 1 PU SPRINGER VERLAG PI NEW YORK PA 175 FIFTH AVE, NEW YORK, NY 10010 SN 0040-5752 J9 THEOR APPL GENET JI Theor. Appl. Genet. PD FEB PY 1992 VL 83 IS 4 BP 403 EP 412 PG 10 WC Agronomy; Plant Sciences; Genetics & Heredity; Horticulture SC Agriculture; Plant Sciences; Genetics & Heredity GA HD654 UT WOS:A1992HD65400001 PM 24202585 ER PT J AU MARSHALL, LC SOMERS, DA DOTRAY, PD GENGENBACH, BG WYSE, DL GRONWALD, JW AF MARSHALL, LC SOMERS, DA DOTRAY, PD GENGENBACH, BG WYSE, DL GRONWALD, JW TI ALLELIC MUTATIONS IN ACETYL-COENZYME A CARBOXYLASE CONFER HERBICIDE TOLERANCE IN MAIZE SO THEORETICAL AND APPLIED GENETICS LA English DT Article DE TISSUE CULTURE MUTANT SELECTION; HERBICIDE TOLERANCE; FATTY ACID BIOSYNTHESIS; ACETYL-COA CARBOXYLASE; MAIZE ID COA CARBOXYLASE; ARYLOXYPHENOXYPROPIONATE HERBICIDES; INHIBITION; CYCLOHEXANEDIONE; SETHOXYDIM; HALOXYFOP AB The genetic relationship between acetyl-coenzyme A carboxylase (ACCase; EC 6.4.1.2.) activity and herbicide tolerance was determined for five maize (Zea mays L.) mutants regenerated from tissue cultures selected for tolerance to the ACCase-inhibiting herbicides, sethoxydim and haloxyfop. Herbicide tolerance in each mutant was inherited as a partially dominant, nuclear mutation. Allelism tests indicated that the five mutations were allelic. Three distinguishable herbicide tolerance phenotypes were differentiated among the five mutants. Seedling tolerance to herbicide treatments cosegregated with reduced inhibition of seedling leaf ACCase activity by sethoxydim and haloxyfop demonstrating that alterations of ACCase conferred herbicide tolerance. Therefore, we propose that at least three, and possible five, new alleles of the maize ACCase structural gene (Acc1) were identified based on their differential response to sethoxydim and haloxyfop. The group represented by Acc1-S1, Acc1-S2 and Acc1-S3 alleles, which had similar phenotypes, exhibited tolerance to high rates of sethoxydim and haloxyfop. The Acc1-H1 allele lacked sethoxydim tolerance but was tolerant to haloxyfop, whereas the Acc1-H2 allele had intermediate tolerance to sethoxydim but was tolerant to haloxyfop. Differences in tolerance to the two herbicides among mutants homozygous for different Acc1 alleles suggested that sites on ACCase that interact with the different herbicides do not completely overlap. These mutations in maize ACCase should prove useful in characterization of the regulatory role of ACCase in fatty acid biosynthesis and in development of herbicide-tolerant maize germplasm. C1 UNIV MINNESOTA,DEPT AGRON & PLANT GENET,ST PAUL,MN 55108. USDA ARS,PLANT SCI RES UNIT,ST PAUL,MN 55108. NR 18 TC 38 Z9 39 U1 1 U2 2 PU SPRINGER VERLAG PI NEW YORK PA 175 FIFTH AVE, NEW YORK, NY 10010 SN 0040-5752 J9 THEOR APPL GENET JI Theor. Appl. Genet. PD FEB PY 1992 VL 83 IS 4 BP 435 EP 442 PG 8 WC Agronomy; Plant Sciences; Genetics & Heredity; Horticulture SC Agriculture; Plant Sciences; Genetics & Heredity GA HD654 UT WOS:A1992HD65400005 PM 24202589 ER PT J AU SPICER, LJ ZAVY, MT AF SPICER, LJ ZAVY, MT TI CONCENTRATIONS OF INSULIN-LIKE GROWTH FACTOR-I IN SERUM OF SHEEP WITH DIFFERENT OVULATION RATES - CHANGES DURING THE ESTROUS-CYCLE SO THERIOGENOLOGY LA English DT Article DE INSULIN-LIKE GROWTH FACTOR-I; OVULATION RATE ID MESSENGER RIBONUCLEIC-ACID; FOLLICULAR-FLUID; GRANULOSA-CELLS; MERINO EWES; IGF-I; PITUITARY; BOOROOLA; GONADOTROPINS; HORMONE; PROTEIN AB To determine if concentrations of IGF-I in serum are associated with the ovulation rate or if IGF-I concentrations change during an estrous cycle, blood was collected from ewes of three genotypes in two experiments. In Experiment 1, blood was collected once during the midluteal phase of an estrous cycle in nulliparous ewes. In Experiment 2, blood was collected every other day from Day 1 to 19 postestrus in primiparous ewes. Three genotypes of ewes were used in both experiments: Dorset x Rambouillet, Finn x Rambouillet and Booroola Merino x Rambouillet. Ovulation rates in Experiment 1 were 1.35, 1.88 and 2.50 for Dorset x Rambouillet (n = 17), Finn x Rambouillet (n = 49) and Booroola Merino x Rambouillet (n = 28) ewes, respectively. IGF-I concentrations in serum were greater (P < 0.05) in Finn x Rambouillet ewes than for Dorset x Rambouillet or Booroola Merino x Rambouillet ewes. In Experiment 2, ovulation rates were 1.57, 2.00 and 2.75 for Dorset x Rambouillet, Finn x Rambouillet and Booroola Merino x Rambouillet, respectively. IGF-I concentrations increased with age in Dorset x Rambouillet and Booroola Merino x Rambouillet ewes (but not Finn x Rambouillet ewes) such that they did not differ between crossbred ewe groups. IGF-I concentrations decreased between Days 1 and 5, then increased (P < 0.05) between Days 8 and 17 postestrus suggesting that IGF-I concentrations increase during estrus in ewes. C1 USDA ARS,EL RENO,OK 73036. RP SPICER, LJ (reprint author), OKLAHOMA STATE UNIV,DEPT ANIM SCI,STILLWATER,OK 74078, USA. NR 34 TC 14 Z9 14 U1 0 U2 1 PU BUTTERWORTH-HEINEMANN PI WOBURN PA 225 WILDWOOD AVE #UNITB PO BOX 4500, WOBURN, MA 01801-2084 SN 0093-691X J9 THERIOGENOLOGY JI Theriogenology PD FEB PY 1992 VL 37 IS 2 BP 395 EP 405 DI 10.1016/0093-691X(92)90198-Z PG 11 WC Reproductive Biology; Veterinary Sciences SC Reproductive Biology; Veterinary Sciences GA HC959 UT WOS:A1992HC95900007 ER PT J AU VANHEES, WWS AF VANHEES, WWS TI AN ANALYTICAL METHOD TO ASSESS SPRUCE BEETLE IMPACTS ON WHITE SPRUCE RESOURCES, KENAI PENINSULA, ALASKA SO USDA FOREST SERVICE PACIFIC NORTHWEST RESEARCH STATION RESEARCH PAPER LA English DT Article DE FOREST SURVEYS; TIMBER RESOURCES (INSECT DAMAGE); STATISTICS (FOREST); ALASKA (KENAI PENINSULA) AB Forest inventory data collected in 1987 from sample plots established on the Kenai Peninsula were analyzed to provide point-in-time estimates of the trend and current status of a spruce beetle infestation. Ground plots were categorized by stage of infestation. Estimates of numbers of live and dead white spruce trees, cubic-foot volume in those trees, and areal extent of infestation were developed and are presented for each stage of infestation. RP VANHEES, WWS (reprint author), US FOREST SERV,FORESTRY SCI LAB,201 E 9TH AVE,SUITE 303,ANCHORAGE,AK 99501, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU USDA FOR SERV PNW RES STN PI PORTLAND PA 333 SW FIRST AVE, PO BOX 3890, PUBLICATIONS DEPT, PORTLAND, OR 97208 SN 0882-5165 J9 USDA FOR SERV PNW RE JI USDA For. Serv. Pac. Northwest Res. Stn. Res. Pap. PD FEB PY 1992 IS 446 BP 1 EP 15 PG 15 WC Forestry SC Forestry GA HP496 UT WOS:A1992HP49600001 ER PT J AU VANDERMAATEN, MJ WHETSTONE, CA AF VANDERMAATEN, MJ WHETSTONE, CA TI INFECTION OF RABBITS WITH BOVINE IMMUNODEFICIENCY-LIKE VIRUS SO VETERINARY MICROBIOLOGY LA English DT Article ID LEUKEMIA-VIRUS; PERSISTENT INFECTION; MOLECULAR-CLONING; CATTLE; LYMPHOCYTOSIS AB New Zealand White rabbits, which had been prepared for inoculation by intraperitoneal treatment with thioglycollate, were inoculated intraperitoneally with bovine immunodeficiency-like virus (BIV). Infected materials from various sources were used including cultured cells and culture fluids, peripheral blood leukocytes from infected cattle and spleen tissue from previously infected rabbits. Virus isolations and serological responses detected by western blotting provided clear evidence that infections had been established in inoculated rabbits and that the spleen was an important site of BIV infectivity. These results indicate that rabbits may be a useful species when testing for BIV infectivity in materials too toxic or highly contaminated to be inoculated directly into cell cultures. Furthermore, rabbits may also be useful in testing effects of coinfections with other bovine viruses on progression of BIV infection and for the initial evaluation of therapeutic regimens designed to suppress or eliminate BIV infections. RP VANDERMAATEN, MJ (reprint author), USDA ARS,NATL ANIM DIS CTR,VIROL CATTLE RES UNIT,AMES,IA 50010, USA. FU NCI NIH HHS [CA 50159-02] NR 22 TC 20 Z9 20 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0378-1135 J9 VET MICROBIOL JI Vet. Microbiol. PD FEB PY 1992 VL 30 IS 2-3 BP 125 EP 135 DI 10.1016/0378-1135(92)90108-6 PG 11 WC Microbiology; Veterinary Sciences SC Microbiology; Veterinary Sciences GA HF757 UT WOS:A1992HF75700003 PM 1313619 ER PT J AU ERIKSEN, L LIND, P NANSEN, P ROEPSTORFF, A URBAN, J AF ERIKSEN, L LIND, P NANSEN, P ROEPSTORFF, A URBAN, J TI RESISTANCE TO ASCARIS-SUUM IN PARASITE NAIVE AND NATURALLY EXPOSED GROWERS, FINISHERS AND SOWS SO VETERINARY PARASITOLOGY LA English DT Article ID ULTRAVIOLET-ATTENUATED EGGS; PROTECTIVE IMMUNITY; PERIPHERAL-BLOOD; PIGS; SWINE; INFECTION; ANTIGENS; LARVAE AB Commercially reared growers, finishers, and sows of Danish Landrace X Yorkshire crossbreed were inoculated orally with Ascaris suum at 50 eggs kg-1 body weight. White spots on the serosal surface of livers and total larval recoveries from lungs were recorded 7 days later. The response in pigs originating from a specific pathogen free and parasite free herd (parasite naive) was observed in the three different age groups and compared with age-matched pigs from a herd maintained in a facility contaminated with A. suum (naturally exposed). The pre-inoculation immune status of the various groups was characterized serologically using antigen preparations derived from various stages of A. suum. Inoculation of all age groups of parasite naive pigs with A. suum eggs produced relatively high liver white spots and lung larvae, although expression of these counts as a percentage of the inoculum showed a moderate age-related resistance from growers to finishers to sows. In contrast, pigs naturally exposed to A. suum expressed strong immunity to a challenge infection as few or no larvae were detected in the lungs. In addition, growers, finishers, and sows from the naturally exposed herd had significantly higher levels of serum IgG/IgA to several different A. suum antigens compared with pigs from the parasite naive herd. Liver white spots, expressed as a percentage of the inoculum, were highest in growers from the naturally exposed herd but were markedly reduced in finishers and sows from that herd. In fact, few or no white spots were observed in naturally exposed sows, while sows from the parasite-naive herd had in excess of 300 liver white spots following challenge. These results indicate that commercially raised pigs that are exposed to A. suum develop a strong protective immunity that ultimately produces a complete pre-hepatic barrier to larval migration, while pigs raised parasite free remain susceptible to infection. C1 USDA ARS,BELTSVILLE AGR RES CTR,INST LIVESTOCK & POULTRY SCI,HELMINTH DIS LAB,BELTSVILLE,MD 20705. RP ERIKSEN, L (reprint author), ROYAL VET & AGR UNIV,13 BULOWSVE,DK-1870 FREDERIKSBERG C,DENMARK. OI Urban, Joseph/0000-0002-1590-8869 NR 25 TC 51 Z9 51 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0304-4017 J9 VET PARASITOL JI Vet. Parasitol. PD FEB PY 1992 VL 41 IS 1-2 BP 137 EP 149 DI 10.1016/0304-4017(92)90017-4 PG 13 WC Parasitology; Veterinary Sciences SC Parasitology; Veterinary Sciences GA HF944 UT WOS:A1992HF94400016 PM 1532874 ER PT J AU GRUBMAN, MJ LEWIS, SA AF GRUBMAN, MJ LEWIS, SA TI IDENTIFICATION AND CHARACTERIZATION OF THE STRUCTURAL AND NONSTRUCTURAL PROTEINS OF AFRICAN HORSESICKNESS VIRUS AND DETERMINATION OF THE GENOME CODING ASSIGNMENTS SO VIROLOGY LA English DT Article ID HEMORRHAGIC-DISEASE VIRUS; BLUETONGUE VIRUS; POLYACRYLAMIDE GELS; NUCLEOTIDE-SEQUENCE; NUCLEIC-ACID; RNA; CELLS; ORBIVIRUSES; INITIATION; SEGMENTS RP GRUBMAN, MJ (reprint author), USDA ARS,PLUM ISL ANIM DIS CTR,NAA,PLUM ISL ANIM DIS CTR,POB 848,GREENPORT,NY 11944, USA. NR 36 TC 67 Z9 71 U1 1 U2 6 PU ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 SN 0042-6822 J9 VIROLOGY JI Virology PD FEB PY 1992 VL 186 IS 2 BP 444 EP 451 DI 10.1016/0042-6822(92)90009-E PG 8 WC Virology SC Virology GA GZ516 UT WOS:A1992GZ51600009 PM 1531096 ER PT J AU SHORTLE, WC BONDIETTI, EA AF SHORTLE, WC BONDIETTI, EA TI TIMING, MAGNITUDE, AND IMPACT OF ACIDIC DEPOSITION ON SENSITIVE FOREST SITES SO WATER AIR AND SOIL POLLUTION LA English DT Article ID EASTERN-UNITED-STATES; RED SPRUCE; CALCIUM; SOILS; PRECIPITATION; VEGETATION; WATERSHEDS; CHEMISTRY AB Adverse effects of acidic deposition on forest health are most likely to occur in forests which develop a thick raw or "mor" humus layer in which the effective cation exchange capacity is highly sensitive to acid input. A study of the trend of exchangeable Ca and Mg ions in sensitive humus layers over the past six decades indicated that a downward shift in equilibrium has occurred that is consistent with theories of ion mobilization and coincident in time with increasing acidic deposition in the mid-1900's. Independent records of a base cation mobilization in wood supports the view of a change in the root zone in sensitive forest sites and in lake water chemistry. Induced nutrient deficiency in declining forest stands was indicated by a high Al:Ca ratio in fine root tip tissue as a marker of altered uptake efficiency which leads to increased vulnerability to biotic factors and greater sensitivity to abiotic stresses. Evidence indicates that sensitive sites were damaged by acidic deposition 20 to 40 yr ago, long before the problem of "acid rain" was recognized. C1 OAK RIDGE NATL LAB,DIV ENVIRONM SCI,OAK RIDGE,TN 37831. RP SHORTLE, WC (reprint author), US FOREST SERV,NE FOREST EXPT STN,POB 640,DURHAM,NH 03824, USA. NR 55 TC 53 Z9 53 U1 0 U2 2 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0049-6979 J9 WATER AIR SOIL POLL JI Water Air Soil Pollut. PD FEB PY 1992 VL 61 IS 3-4 BP 253 EP 267 DI 10.1007/BF00482609 PG 15 WC Environmental Sciences; Meteorology & Atmospheric Sciences; Water Resources SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences; Water Resources GA HC634 UT WOS:A1992HC63400006 ER PT J AU ESHER, RJ MARX, DH URSIC, SJ BAKER, RL BROWN, LR COLEMAN, DC AF ESHER, RJ MARX, DH URSIC, SJ BAKER, RL BROWN, LR COLEMAN, DC TI SIMULATED ACID-RAIN EFFECTS ON FINE ROOTS, ECTOMYCORRHIZAE, MICROORGANISMS, AND INVERTEBRATES IN PINE FORESTS OF THE SOUTHERN UNITED-STATES SO WATER AIR AND SOIL POLLUTION LA English DT Article ID MYCORRHIZAL INFECTION; SEEDLINGS; EXTRACTS; DECLINE; SPRUCE; OZONE; SOILS AB A 2-yr study evaluated the effects of acid precipitation on the forest floor community. Throughfall was collected at weekly intervals, acidified to pH 4.3 and 3.6, and applied to throughfall excluded 1 m2 plots in a stand of loblolly pine (Pinus taeda L.) in south Mississippi, and in a longleaf pine (P. palustris Mill.) plantation in east Texas. Control plots received ambient throughfall which ranged from pH 3.7 to 6.2 in Mississippi and pH 3.8 to 6.7 in Texas. Five plots of each treatment at each location were destructively sampled after 1 yr and the 5 remaining plots were sampled after 2 yr. Chemical analyses were conducted for all collections of throughfall and litter leachate, and for the fermentation layer, rhizosphere, and mineral soil. After 2 yr, comparisons of the pH 3.6 plots with the controls indicated significant decreases in the number, length and biomass of lateral roots, and the percent and number of ectomycorrhizae. Decreases in these root characteristics for plots subjected to applications of throughfall acidified to near-ambient pH 4.3 were also significant or bordered on significance. Numbers of herbivorous mites increased significantly with decreasing pH, but the predaceous mites appeared insensitive. Treated plots had fewer numbers of some groups of the larger invertebrates, especially earthworms, but variation was generally too great to show significance. The acid treatments had little effect on numbers of nematodes, saprophytic fungi or endomycorrhizal fungi. C1 UNIV GEORGIA,DEPT ENTOMOL,ATHENS,GA 30601. US FOREST SERV,INST TREE ROOT BIOL,ATHENS,GA 30601. US FOREST SERV,FOREST HYDROL LAB,OXFORD,MS 38655. MISSISSIPPI STATE UNIV,DEPT BIOL SCI,MISSISSIPPI STATE,MS 39762. RP ESHER, RJ (reprint author), MISSISSIPPI STATE UNIV,STENNIS SPACE CTR,RES CTR,MISSISSIPPI STATE,MS 39529, USA. NR 33 TC 17 Z9 20 U1 2 U2 14 PU KLUWER ACADEMIC PUBL PI DORDRECHT PA SPUIBOULEVARD 50, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS SN 0049-6979 J9 WATER AIR SOIL POLL JI Water Air Soil Pollut. PD FEB PY 1992 VL 61 IS 3-4 BP 269 EP 278 DI 10.1007/BF00482610 PG 10 WC Environmental Sciences; Meteorology & Atmospheric Sciences; Water Resources SC Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences; Water Resources GA HC634 UT WOS:A1992HC63400007 ER PT J AU BUFFINGTON, JM DIETRICH, WE KIRCHNER, JW AF BUFFINGTON, JM DIETRICH, WE KIRCHNER, JW TI FRICTION ANGLE MEASUREMENTS ON A NATURALLY FORMED GRAVEL STREAMBED - IMPLICATIONS FOR CRITICAL BOUNDARY SHEAR-STRESS SO WATER RESOURCES RESEARCH LA English DT Article ID SELECTIVE ENTRAINMENT; SIZE DISTRIBUTION; FLOW-COMPETENCE; BED-MATERIAL; SEDIMENTS; TRANSPORT; CHANNEL; MOTION; LOAD AB We report the first measurements of friction angles for a naturally formed gravel streambed. For a given test grain size placed on a bed surface, friction angles varied from 10-degrees to over 100-degrees; friction angle distributions can be expressed as a function of test grain size, median bed grain size, and bed sorting parameter. Friction angles decrease with increasing grain size relative to the median bed grain size, and are a systematic function of sorting, with lower friction angles associated with poorer sorting. The probability distributions of critical shear stress for different grain sizes on a given bed surface, as calculated from our friction angle data, show a common origin, but otherwise diverge with larger grains having narrower and lower ranges of critical shear stresses. The potential mobility of a grain, as defined by its probability distribution of critical shear stress, may be overestimated for larger grains in this analysis, because our calculations do not take into account the effects of grain burial and altered near-bed flow fields. C1 UNIV CALIF BERKELEY,DEPT GEOL & GEOPHYS,BERKELEY,CA 94720. US FOREST SERV,FORESTRY SCI LAB,JUNEAU,AK. RI Kirchner, James/B-6126-2009 OI Kirchner, James/0000-0001-6577-3619 NR 24 TC 93 Z9 94 U1 0 U2 5 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD FEB PY 1992 VL 28 IS 2 BP 411 EP 425 DI 10.1029/91WR02529 PG 15 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA HC352 UT WOS:A1992HC35200009 ER PT J AU DUCHON, CE SALISBURY, JM WILLIAMS, THL NICKS, AD AF DUCHON, CE SALISBURY, JM WILLIAMS, THL NICKS, AD TI AN EXAMPLE OF USING LANDSAT AND GOES DATA IN A WATER-BUDGET MODEL SO WATER RESOURCES RESEARCH LA English DT Article ID RURAL BASINS; ROW CROP; SIMULATOR; RESOURCES AB Landsat and GOES satellite data are used in analyzing monthly water budgets on a 538-km2 watershed in central Oklahoma for 1984-1985. The budget components examined are water yield, percolation loss, evapotranspiration and change in soil water content. The hydrologic model employed is SWRRB (Simulator for Water Resources in Rural Basins) developed by the Agricultural Research Service of the U.S. Department of Agriculture. Landsat imagery is used to subdivide the basin into land covers for model application. The land cover subareas are more homogeneous than subbasins with mixed vegetation and their use allows tracking of the unique contribution of each type of cover to the water budget. Daily insolation is determined from GOES imagery. A comparison of budget components based on pyranometer insolation versus unbiased GOES estimates shows a maximum difference less than 4% and 5 mm for any component of the annual and monthly budgets, respectively. Satellite-derived temperatures are simulated by adding systematic and random errors to observed temperatures. A temperature bias of a few degrees greatly changes the growing season and monthly budgets of winter wheat. C1 USDA ARS,WATERSHED & WATER QUAL RES LAB,DURANT,OK 74702. UNIV OKLAHOMA,SCH METEOROL,NORMAN,OK 73019. UNIV OKLAHOMA,SCH CIVIL ENGN & ENVIRONM SCI,NORMAN,OK 73019. UNIV OKLAHOMA,DEPT GEOG,NORMAN,OK 73019. NR 24 TC 13 Z9 13 U1 1 U2 4 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD FEB PY 1992 VL 28 IS 2 BP 527 EP 538 DI 10.1029/91WR02478 PG 12 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA HC352 UT WOS:A1992HC35200018 ER PT J AU BRAKENSIEK, DL RAWLS, WJ AF BRAKENSIEK, DL RAWLS, WJ TI FRACTAL PROCESSES IN SOIL-WATER RETENTION - COMMENT SO WATER RESOURCES RESEARCH LA English DT Note C1 USDA ARS,BELTSVILLE AGR RES CTR,HYDROL LAB,BELTSVILLE,MD 20705. UNIV MARYLAND,DEPT AGR ENGN,COLLEGE PK,MD 20742. NR 9 TC 22 Z9 22 U1 0 U2 4 PU AMER GEOPHYSICAL UNION PI WASHINGTON PA 2000 FLORIDA AVE NW, WASHINGTON, DC 20009 SN 0043-1397 J9 WATER RESOUR RES JI Water Resour. Res. PD FEB PY 1992 VL 28 IS 2 BP 601 EP 602 DI 10.1029/91WR02813 PG 2 WC Environmental Sciences; Limnology; Water Resources SC Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources GA HC352 UT WOS:A1992HC35200024 ER PT J AU FORCELLA, F AF FORCELLA, F TI PREDICTION OF WEED SEEDLING DENSITIES FROM BURIED SEED RESERVES SO WEED RESEARCH LA English DT Article ID SOIL; FLORA AB Bioeconomic models for weed management ultimately require knowledge of weed densities. Weed seedling populations may be predicted by multiplying emergence rates by seedbank densities. However, emergence rates vary according to species, year and management. Furthermore, seedbank estimates may vary with sampling technique, size, number and date. These variables must be quantified before bioeconomic models can be used profitably. Consequently, two experiments were initiated, both in conventionally managed maize. The first experiment documented proportional seedling emergence across years and sites for three taxa; foxtail (Setaria glauca [L.] Beauv. and S. viridis [L.] Beauv. combined), pigweed (Amaranthus retroflexus L.), and lambsquarters (Chenopodium album L.). The second experiment was devoted to methodology for estimation of seedbanks: sampling date (autumn or spring), technique (seed extraction or glasshouse germination), and soil sample size for the seed extraction technique. For emergence rates, the following order was observed; foxtail > lambsquarters > pigweed. Emergence rates for each species were related in a parabolic manner to growing degree-days in April. The glasshouse technique appeared to be more reliable than seed extraction for correlation with field seedling densities. For the seed extraction technique, a minimum soil sample size of 100 g was necessary. A spring sampling date appears to be more reliable than an autumn date, probably because many seemingly viable seeds die during winter. RP FORCELLA, F (reprint author), USDA ARS,N CENT SOIL CONSERVAT RES LAB,MORRIS,MN 56267, USA. NR 18 TC 99 Z9 111 U1 1 U2 4 PU BLACKWELL SCIENCE LTD PI OXFORD PA OSNEY MEAD, OXFORD, OXON, ENGLAND OX2 0EL SN 0043-1737 J9 WEED RES JI Weed Res. PD FEB PY 1992 VL 32 IS 1 BP 29 EP 38 DI 10.1111/j.1365-3180.1992.tb01859.x PG 10 WC Agronomy; Plant Sciences SC Agriculture; Plant Sciences GA HC096 UT WOS:A1992HC09600004 ER PT J AU BAKKE, JE HUWE, JK MULFORD, DJ BERGMAN, A AF BAKKE, JE HUWE, JK MULFORD, DJ BERGMAN, A TI METABOLISM OF 1,2,4-TRICHLOROBENZENE IN RATS - EXAMINATION OF THIOL FORMATION SO XENOBIOTICA LA English DT Article ID ACID AB 1. More than 60% of oral doses of C-14-1,2,4-trichlorobenzene (ca. 21 mg/kg) administered to rats were excreted in bile as S-trichlorophenyl-mercapturic acid pathway metabolites. 2. The biliary metabolites were ultimately excreted in urine mainly as the isomeric mercapturic acids. 3. An acetylated glutathione conjugate was isolated as a major metabolite in bile (8% dose). The acetyl group was shown by mass spectrometry to be on the glutamyl moiety. 4. A glutamylcysteine conjugate of trichlorobenzene was also isolated from bile as a major metabolite (8% dose). 5. Trichlorothiophenols were deduced not to be intermediates or end-products of enzymic metabolism of trichlorobenzene in rats because C-14,2,4,5-trichlorothiophenol dosed i.p. to rats was excreted as the S-glucuronide (17% dose) and as S-(methylsulphonyl-dichlorophenyl)-mercapturic acid (36% dose). C1 ABBOTT LABS,ABBOTT PK,N CHICAGO,IL 60064. UNIV STOCKHOLM,WALLENBERG LAB,S-10691 STOCKHOLM,SWEDEN. RP BAKKE, JE (reprint author), USDA ARS,BIOSCI RES LAB,FARGO,ND 58105, USA. NR 11 TC 15 Z9 15 U1 0 U2 0 PU TAYLOR & FRANCIS LTD PI LONDON PA ONE GUNDPOWDER SQUARE, LONDON, ENGLAND EC4A 3DE SN 0049-8254 J9 XENOBIOTICA JI Xenobiotica PD FEB PY 1992 VL 22 IS 2 BP 199 EP 210 PG 12 WC Pharmacology & Pharmacy; Toxicology SC Pharmacology & Pharmacy; Toxicology GA HH237 UT WOS:A1992HH23700006 PM 1632109 ER PT J AU HILL, RK NUGARA, PN HOLT, EM HOLLAND, KP AF HILL, RK NUGARA, PN HOLT, EM HOLLAND, KP TI SEPARATION AND STEREOCHEMICAL ASSIGNMENT OF ERYTHRO AND THREO ISOMERS OF THE META-NITRO ANALOG OF (+/-)-CHLORAMPHENICOL SO JOURNAL OF ORGANIC CHEMISTRY LA English DT Article ID CHLORAMPHENICOL RESIDUES; TISSUES; MILK; EGGS C1 OKLAHOMA STATE UNIV,DEPT CHEM,STILLWATER,OK 74078. USDA,MIDWESTERN LAB,FOOD SAFETY & QUAL SERV,ST LOUIS,MO 63120. RP HILL, RK (reprint author), UNIV GEORGIA,DEPT CHEM,ATHENS,GA 30602, USA. NR 18 TC 14 Z9 14 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0022-3263 J9 J ORG CHEM JI J. Org. Chem. PD JAN 31 PY 1992 VL 57 IS 3 BP 1045 EP 1047 DI 10.1021/jo00029a057 PG 3 WC Chemistry, Organic SC Chemistry GA HB875 UT WOS:A1992HB87500057 ER PT J AU RAINA, AK KINGAN, TG MATTOO, AK AF RAINA, AK KINGAN, TG MATTOO, AK TI CHEMICAL SIGNALS FROM HOST PLANT AND SEXUAL-BEHAVIOR IN A MOTH SO SCIENCE LA English DT Article ID HELIOTHIS-ZEA LEPIDOPTERA; PHEROMONE PRODUCTION; NOCTUIDAE AB In the phytophagous corn earworm, Helicoverpa (Heliothis) zea, females delay their reproductive behaviors until they find a suitable host on which to deposit their eggs. Perception of volatile chemical signals from corn silk triggers the production of sex pheromone followed by its release, which leads to mating. Several natural corn silk volatiles, including the plant hormone ethylene, induced pheromone production in H. zea females. Because H. zea larvae feed on the fruiting parts of a wide variety of hosts, ethylene, which is associated with fruit ripening, could act as a common cue. C1 USDA ARS,BELTSVILLE AGR RES CTR,PLANT MOLEC BIOL LAB,BELTSVILLE,MD 20705. RP RAINA, AK (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INSECT NEUROBIOL & HORMONE LAB,BELTSVILLE,MD 20705, USA. RI Mattoo, Autar/G-9863-2011 NR 19 TC 66 Z9 72 U1 0 U2 21 PU AMER ASSOC ADVANCEMENT SCIENCE PI WASHINGTON PA 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 SN 0036-8075 J9 SCIENCE JI Science PD JAN 31 PY 1992 VL 255 IS 5044 BP 592 EP 594 DI 10.1126/science.255.5044.592 PG 3 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA HB531 UT WOS:A1992HB53100041 PM 17792383 ER PT J AU CLAY, DE CLAPP, CE LINDEN, DR MOLINA, JAE AF CLAY, DE CLAPP, CE LINDEN, DR MOLINA, JAE TI TILLAGE INFLUENCE ON REDOX POTENTIALS FOLLOWING RAINFALL SO SOIL & TILLAGE RESEARCH LA English DT Article ID NITROUS-OXIDE; SOIL; RESIDUE AB Tillage influences many soil properties which impact the oxygen flux into the soil profile. Rainfall can amplify the influence of tillage on relative aeration by differentially saturating the soil profile with water, and thus reducing oxygen flux into the soil. Understanding how tillage influences relative aeration following rainfall is important in order to evaluate the effect of soil physical properties on biological activity and the decomposition of organic compounds. The objective of this study was to investigate the influence of rainfall on redox potential patterns for different tillage and residue management treatment combinations. Platinum electrodes, copper-constantan thermocouples, and tensiometers were installed in soil that had been under rototill/residue-incorporated or no-till/surface-residue treatments after 6 years of a continuing field experiment at depths of 7, 15, and 22 cm during a complete com (Zea mays L.) growing season. Climatic and physical factors interacted to determine the impact of tillage on the redox potentials following rainfall. C1 UNIV MINNESOTA,USDA ARS,ST PAUL,MN 55108. UNIV MINNESOTA,DEPT SOIL SCI,ST PAUL,MN 55108. RP CLAY, DE (reprint author), S DAKOTA STATE UNIV,DEPT PLANT SCI,BROOKINGS,SD 57007, USA. OI molina, jean-alex/0000-0002-5510-3109 NR 14 TC 4 Z9 4 U1 1 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-1987 J9 SOIL TILL RES JI Soil Tillage Res. PD JAN 31 PY 1992 VL 22 IS 3-4 BP 211 EP 219 DI 10.1016/0167-1987(92)90038-D PG 9 WC Soil Science SC Agriculture GA HC328 UT WOS:A1992HC32800002 ER PT J AU STAUB, GM GLOER, JB WICKLOW, DT DOWD, PF AF STAUB, GM GLOER, JB WICKLOW, DT DOWD, PF TI ASPERNOMINE - A CYTOTOXIC ANTIINSECTAN METABOLITE WITH A NOVEL RING-SYSTEM FROM THE SCLEROTIA OF ASPERGILLUS-NOMIUS SO JOURNAL OF THE AMERICAN CHEMICAL SOCIETY LA English DT Article ID FLAVUS; TUBINGENSIS; AFLAVININE; STRAIN; NMR AB Aspernomine (3), a new cytotoxic antiinsectan fungal metabolite with a previously undescribed ring system has been isolated from a pentane extract of the sclerotia of Aspergillus nomius. The structure of 3 was determined using NMR techniques, including COSY, NOESY, HMBC, and HMQC experiments conducted at 600 MHz. C1 UNIV IOWA,DEPT CHEM,IOWA CITY,IA 52242. USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. NR 19 TC 39 Z9 39 U1 1 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0002-7863 J9 J AM CHEM SOC JI J. Am. Chem. Soc. PD JAN 29 PY 1992 VL 114 IS 3 BP 1015 EP 1017 DI 10.1021/ja00029a033 PG 3 WC Chemistry, Multidisciplinary SC Chemistry GA HB537 UT WOS:A1992HB53700033 ER PT J AU WARTHEN, JD DEMILO, AB LEONHARDT, BA LUSBY, WR DEVILBISS, ED SCHRECK, CE AF WARTHEN, JD DEMILO, AB LEONHARDT, BA LUSBY, WR DEVILBISS, ED SCHRECK, CE TI SEPARATION OF CIS-ISOMERS AND TRANSISOMERS FROM A MOSQUITO REPELLENT, CIC-4, VIA SEMIPREPARATIVE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY AND THE REPELLENT EFFECT OF EACH SO JOURNAL OF CHROMATOGRAPHY LA English DT Article; Proceedings Paper CT 8TH INTERNATIONAL SYMP ON PREPARATIVE CHROMATOGRAPHY ( PREP 91 ) CY MAY 13-15, 1991 CL ARLINGTON, VA SP WASHINGTON CHROMATOG DISCUSS GRP AB CIC-4 (1,1,4,5,6,7,8,8a-octahydro-3H-2-benzopyran-3-one) is a fused bicyclic lactone which acts as a non-contact insect repellent for Aedes aegypti at 1% concentration in 95% aqueous ethanol when applied topically to rhesus monkeys. Chromatographic and spectroscopic analyses of a synthetic sample indicated the presence of cis- and trans-fused isomers. To supply each isomer for the assessment of mosquito repellent efficacy on humans, we developed a semi-preparative high-performance liquid chromatographic separation technique for the isomer separation. A column of 5-mu-m silica was used for isolating milligram quantities of each isomer. By this method, each isomer was obtained in > 95% gas-liquid chromatographic (GLC)-purity for biological evaluation. Supporting GLC and electron impact and chemical ionization gas chromatography-mass spectrometric data are also presented for each isomer. Biological evaluation on the human arm using Anopheles quadrimaculatus, Aedes aegypti, and Anopheles albimanus as the test species was effective in determining relative repellency to the standard N,N-diethyl-3-methyl-benzamide. C1 USDA ARS,BELTSVILLE AGR RES CTR,INST PLANT SCI,INSECT NEUROBIOL & HORMONE LAB,BELTSVILLE,MD 20705. USDA ARS,MOSQUITO & FLY RES,GAINESVILLE,FL 32604. RP WARTHEN, JD (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INST PLANT SCI,INSECT CHEM ECOL LAB,10-300 BALTIMORE AVE,BELTSVILLE,MD 20705, USA. NR 5 TC 2 Z9 2 U1 2 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0021-9673 J9 J CHROMATOGR PD JAN 24 PY 1992 VL 590 IS 1 BP 133 EP 138 DI 10.1016/0021-9673(92)87014-Y PG 6 WC Chemistry, Analytical SC Chemistry GA HB737 UT WOS:A1992HB73700014 ER PT J AU BISHIR, J NAMKOONG, G AF BISHIR, J NAMKOONG, G TI DENSITY-DEPENDENT DYNAMICS IN SIZE-STRUCTURED PLANT-POPULATIONS SO JOURNAL OF THEORETICAL BIOLOGY LA English DT Article ID REPRODUCTIVE GROWTH; LIFE-STAGE; MODELS; COMPETITION; ALLOCATION; SUCCESSION; ECOLOGY; ANNUALS; STANDS; TIME C1 N CAROLINA STATE UNIV,DEPT GENET,USDA ARS,SE FOREST EXPT STN,RALEIGH,NC 27695. RP BISHIR, J (reprint author), N CAROLINA STATE UNIV,DEPT MATH,BOX 8205,RALEIGH,NC 27695, USA. NR 49 TC 6 Z9 6 U1 0 U2 1 PU ACADEMIC PRESS LTD PI LONDON PA 24-28 OVAL RD, LONDON, ENGLAND NW1 7DX SN 0022-5193 J9 J THEOR BIOL JI J. Theor. Biol. PD JAN 21 PY 1992 VL 154 IS 2 BP 163 EP 188 DI 10.1016/S0022-5193(05)80401-1 PG 26 WC Biology; Mathematical & Computational Biology SC Life Sciences & Biomedicine - Other Topics; Mathematical & Computational Biology GA HC682 UT WOS:A1992HC68200002 ER PT J AU GIBBS, CJ BOLIS, CL ASHER, DM BRADLEY, R FITE, RW JOHNSON, RT MAHY, BWJ MCKHANN, GM AF GIBBS, CJ BOLIS, CL ASHER, DM BRADLEY, R FITE, RW JOHNSON, RT MAHY, BWJ MCKHANN, GM TI RECOMMENDATIONS OF THE INTERNATIONAL-ROUND-TABLE-WORKSHOP ON BOVINE SPONGIFORM ENCEPHALOPATHY SO JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION LA English DT Editorial Material C1 ASSOC INT RECH ENSEIGNEMENT NEUROSCI,CH-1204 GENEVA,SWITZERLAND. MAFF,CENT VET LAB,WEYBRIDGE KT15 3NB,SURREY,ENGLAND. USDA,ANIM & PLANT HLTH INSPECT SERV,HYATTSVILLE,MD 20782. JOHNS HOPKINS UNIV HOSP,BALTIMORE,MD 21205. CTR INFECT DIS,DIV VIRAL & RICKETTSIAL DIS,ATLANTA,GA 30333. RP GIBBS, CJ (reprint author), NIH,BLDG 36,9000 ROCKVILLE PIKE,BETHESDA,MD 20892, USA. NR 11 TC 4 Z9 4 U1 0 U2 0 PU AMER VETERINARY MEDICAL ASSOC PI SCHAUMBURG PA 1931 N MEACHAM RD SUITE 100, SCHAUMBURG, IL 60173-4360 SN 0003-1488 J9 J AM VET MED ASSOC JI J. Am. Vet. Med. Assoc. PD JAN 15 PY 1992 VL 200 IS 2 BP 164 EP 167 PG 4 WC Veterinary Sciences SC Veterinary Sciences GA GZ407 UT WOS:A1992GZ40700003 PM 1348501 ER PT J AU SCOTT, MP JUNG, R MUNTZ, K NIELSEN, NC AF SCOTT, MP JUNG, R MUNTZ, K NIELSEN, NC TI A PROTEASE RESPONSIBLE FOR POSTTRANSLATIONAL CLEAVAGE OF A CONSERVED ASN-GLY LINKAGE IN GLYCININ, THE MAJOR SEED STORAGE PROTEIN OF SOYBEAN SO PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA LA English DT Article DE PROTEIN MATURATION; ENDOPEPTIDASE; PURIFICATION; GLYCINE-MAX; 11S GLOBULINS ID DEVELOPING PEA COTYLEDONS; STRUCTURAL ASPECTS; GENE FAMILY; IDENTIFICATION; ORGANIZATION; ACCUMULATION; TRANSPORT; SUBUNITS; VACUOLES; SYSTEM AB The assembly of 11S globulin seed storage proteins in plants is regulated in part by the activity of a protease that cleaves between asparagine and glycine residues. Post-translational cleavage of subunit precursors into acidic and basic polypeptides is associated with the ability of subunits in trimers to aggregate into hexamers in vitro. An activity is present in extracts from immature soybean seeds that specifically cleaves immature 11S seed storage proteins of soybean and Vicia faba into the polypeptides of the mature proteins. Sequence microanalysis has been used to demonstrate that proglycinin and prolegumin are cut at the legitimate site when proteins synthesized in vitro are used as substrates. A single amino acid change in the cleavage site renders the substrate uncleavable. The protease responsible for this activity also hydrolyzes a synthetic octapeptide whose sequence reproduces four amino acids on either side of the glycinin subunit G4 cleavage site. This assay permitted the purification and characterization of the protease. It is a glycosylated enzyme with an acidic pH optimum and a molecular mass of about 45 kDa in solution. C1 PURDUE UNIV,USDA ARS,DEPT AGRON,W LAFAYETTE,IN 47907. ZENT INST GENET & KULTURPFLANZENFORSCH,O-4325 GATERSLEBEN,GERMANY. RI Scott, M./E-3291-2010 NR 24 TC 131 Z9 134 U1 0 U2 3 PU NATL ACAD PRESS PI WASHINGTON PA 2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 SN 0027-8424 J9 P NATL ACAD SCI USA JI Proc. Natl. Acad. Sci. U. S. A. PD JAN 15 PY 1992 VL 89 IS 2 BP 658 EP 662 DI 10.1073/pnas.89.2.658 PG 5 WC Multidisciplinary Sciences SC Science & Technology - Other Topics GA GZ696 UT WOS:A1992GZ69600043 PM 1731337 ER PT J AU BROWN, HJ CRUSE, RM ERBACH, DC MELVIN, SW AF BROWN, HJ CRUSE, RM ERBACH, DC MELVIN, SW TI TRACTIVE DEVICE EFFECTS ON SOIL PHYSICAL-PROPERTIES SO SOIL & TILLAGE RESEARCH LA English DT Article ID COMPACTION AB Soil compaction can alter the root environment positively or negatively, depending on soil physical properties and weather conditions. Track-type tractors have the potential for causing less soil compaction because the tracks usually have a greater surface area than wheels for tractors with equivalent power ratings. The objective of this study was to determine the effect of tracked and wheeled tractors on soil physical properties related to the plant rooting environment. Plots were established on a Chequest silty clay loam (Typic Haplaquoll) in Lee County, IA in 1984. Plots were moldboard plowed to a depth of 200 mm and disked to a depth of 125 mm prior to trafficking, and field cultivated to a depth of 100 mm after trafficking. Soil cores (75 mm in diameter) were taken in August 1987 at 50-125 mm and 125-200 mm depths from untrafficked areas and areas trafficked by a steel-tracked crawler, rubber-tracked crawler, two wheel drive tractor, and four wheel drive tractor. Measurements included bulk density, saturated conductivity, air-filled porosity, and pore-size distribution. The untrafficked soil cores had lower bulk densities than trafficked cores at both depths, but lower bulk density was associated with lower ground pressure only for the 50-125 mm depth. Air-filled porosity at field capacity ( 1.0 m tension) followed the same trends as bulk density. The greater porosity of the untrafficked cores, compared with the trafficked cores, at both depths was owing to the presence of pores with greater than 30-mu-m equivalent pore diameters. Among trafficked treatments, cores from the upper depth of the steel-tracked crawler plots had greater porosity for 60-300-mu-m pore diameters compared with cores from the wheeled tractor plots. Generally, the wheeled tractors (with ground pressures of about 125 kPa) created a more compacted condition in the soil than the track-type tractors (with ground pressures of 30-40 kPa) at the upper depth, but physical property differences in trafficked cores below the 125 mm depth were minimal. C1 IOWA STATE UNIV SCI & TECHNOL,DEPT AGRON,AMES,IA 50011. USDA ARS,NATL SOIL TILTH LAB,AMES,IA 50011. IOWA STATE UNIV SCI & TECHNOL,DEPT AGR ENGN,AMES,IA 50011. RP BROWN, HJ (reprint author), UNIV VERMONT,DEPT PLANT & SOIL SCI,213 HILLS BLDG,BURLINGTON,VT 05405, USA. NR 25 TC 20 Z9 29 U1 0 U2 4 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-1987 J9 SOIL TILL RES JI Soil Tillage Res. PD JAN 15 PY 1992 VL 22 IS 1-2 BP 41 EP 53 DI 10.1016/0167-1987(92)90021-3 PG 13 WC Soil Science SC Agriculture GA GZ369 UT WOS:A1992GZ36900004 ER PT J AU BUTCHAIAH, G CARD, JL MORGAN, DO AF BUTCHAIAH, G CARD, JL MORGAN, DO TI ANTIGENIC RELATIONSHIPS OF FOOT-AND-MOUTH-DISEASE VIRUS SEROTYPE ASIA-1 ISOLATES DEMONSTRATED BY MONOCLONAL-ANTIBODIES SO VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY LA English DT Article ID NUCLEOTIDE-SEQUENCE; NEUTRALIZATION EPITOPES; CAPSID PROTEIN; VIRAL PROTEIN; HETEROGENEITY; POLIOVIRUS; SITES; VP1; PROTECTION; RESISTANCE AB A panel (26) of monoclonal antibodies (MAbs) was elicited against three distinct isolates of foot-and-mouth disease virus (FMDV) serotype Asia-1. Each MAb was characterized according to the location of its epitope: Class I, restricted to the intact virion (140S); Class II, restricted to 140S and the virion protein subunit (12Sps); Class III, available on 140S, 12Sps and virus protein 1; Class IV, restricted to 12Sps. In addition, the MAbs were further categorized by isotype, neutralization of viral infectivity, capacity to bind in radioimmunoassay and precipitation in the Ouchterlony reaction. Neutralization of FMDV infectivity by a MAb of the IgA isotype is reported for the first time. A minimum of seven distinct neutralization epitopes were described on FMDV Asia-1. Some of the neutralizing MAbs bound FMDVs in addition to those that they neutralized. The MAbs defined epitopes common to FMDV serotypes Asia-1, A, O1 and C but neutralizing capacity was restricted to serotype Asia-1. Class IV MAbs defined epitopes highly conserved throughout the FMDV serotypes. Identification of FMDV neutralization epitopes makes possible the direct selection of optimal FMDV strains for vaccine fabrication. In addition, these data are crucial to the design of future synthetic vaccines. C1 USDA ARS,PLUM ISL ANIM DIS CTR,MOLEC BIOL LAB,POB 848,GREENPORT,NY 11944. INDIAN VET RES INST,SO REG STN,BANGALORE 560024,INDIA. NR 48 TC 11 Z9 13 U1 0 U2 0 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0165-2427 J9 VET IMMUNOL IMMUNOP JI Vet. Immunol. Immunopathol. PD JAN 15 PY 1992 VL 30 IS 2-3 BP 275 EP 292 DI 10.1016/0165-2427(92)90144-F PG 18 WC Immunology; Veterinary Sciences SC Immunology; Veterinary Sciences GA GX534 UT WOS:A1992GX53400011 PM 1375792 ER PT J AU HUTCHENS, TW NELSON, RW YIP, TT AF HUTCHENS, TW NELSON, RW YIP, TT TI RECOGNITION OF TRANSITION-METAL IONS BY PEPTIDES - IDENTIFICATION OF SPECIFIC METAL-BINDING PEPTIDES IN PROTEOLYTIC DIGEST MAPS BY UV LASER DESORPTION TIME-OF-FLIGHT MASS-SPECTROMETRY SO FEBS LETTERS LA English DT Article DE MASS SPECTROMETRY; METALLOPROTEIN; HISTIDINE-RICH GLYCOPROTEIN; PEPTIDE; DIGEST; METAL ION ID AFFINITY-CHROMATOGRAPHY AB Metal-binding peptides in proteolytic digest maps have been identified by matrix-assisted UV laser desorption time-of-flight mass spectrometry (LDTOF-MS). The plasma and milk metal transport protein chosen to demonstrate this process, histidine-rich glycoprotein (HRG), was purified and then digested with trypsin; the cleavage products were analyzed by LDTOF-MS with dihydroxybenzoic acid as the matrix. The selective interaction of specific peptides with one or more Cu atoms was observed when Cu(II) ions were added to the digest mixture. At least one specific metal-binding peptide was identified by computerized sequence analysis using the molecular mass data and available cDNA sequence. These results demonstrate the first direct observation by mass spectrometry of differential peptide-metal ion interactions in protein digest maps. The ability to evaluate peptide-metal ion interactions, including stoichiometry, with less than 1 pmol of sample improves significantly our ability to identify metal binding domains in metal-binding proteins. C1 VESTEC CORP,HOUSTON,TX 77054. RP HUTCHENS, TW (reprint author), BAYLOR COLL MED,DEPT PEDIAT,USDA ARS,CTR CHILDRENS NUTR,1100 BATES,HOUSTON,TX 77030, USA. NR 19 TC 24 Z9 24 U1 0 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0014-5793 J9 FEBS LETT JI FEBS Lett. PD JAN 13 PY 1992 VL 296 IS 1 BP 99 EP 102 DI 10.1016/0014-5793(92)80412-A PG 4 WC Biochemistry & Molecular Biology; Biophysics; Cell Biology SC Biochemistry & Molecular Biology; Biophysics; Cell Biology GA HA127 UT WOS:A1992HA12700023 PM 1730300 ER PT J AU NEFF, WE ZEITOUN, MAM WEISLEDER, D AF NEFF, WE ZEITOUN, MAM WEISLEDER, D TI RESOLUTION OF LIPOLYSIS MIXTURES FROM SOYBEAN OIL BY A SOLID-PHASE EXTRACTION PROCEDURE SO JOURNAL OF CHROMATOGRAPHY LA English DT Note ID CYCLIC FATTY ESTERS; 9-(6-PROPYL-3-CYCLOHEXENYL)-(Z)8-NONENOIC ACID; POLYUNSATURATED TRIACYLGLYCEROLS; STEREOSPECIFIC ANALYSIS; ISOMERIC TRIGLYCERIDES; CARBONYL CARBONS; PALM OIL; AUTOXIDATION; PLATE AB A solid-phase extraction procedure was developed to rapidly resolve the lipolysis mixtures of free fatty acids, mono- and diacylglycerols from lipase (E.C. 3.1.1.3) cleavage of soybean oil triacylglycerols. Accuracy of the lipolysis procedure against standard mixtures of triacylglycerols showed coefficients of variance of 5% between known and observed fatty acid composition at glycerol carbon 2. An average coefficient of variance of 5% was obtained between results of the lipolysis procedure, fatty acid composition by gas chromatography, and the results by C-13 nuclear magnetic resonance stereospecific analysis for fatty acid composition at glycerol carbons 1,3 and 2 of intact triacylglycerol mixtures. C1 UNIV ALEXANDRIA,FAC AGR SABA BASHA,DEPT FOOD SCI,ALEXANDRIA,EGYPT. USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. RP NEFF, WE (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604, USA. NR 28 TC 20 Z9 20 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0021-9673 J9 J CHROMATOGR PD JAN 10 PY 1992 VL 589 IS 1-2 BP 353 EP 357 DI 10.1016/0021-9673(92)80045-V PG 5 WC Chemistry, Analytical SC Chemistry GA HB068 UT WOS:A1992HB06800044 ER PT J AU KINT, S WERMER, PH SCHERER, JR AF KINT, S WERMER, PH SCHERER, JR TI RAMAN-SPECTRA OF HYDRATED PHOSPHOLIPID-BILAYERS .2. WATER AND HEADGROUP INTERACTIONS SO JOURNAL OF PHYSICAL CHEMISTRY LA English DT Article ID LIPID BILAYERS; DIPALMITOYLPHOSPHATIDYLCHOLINE BILAYERS; X-RAY; QUANTITATIVE INTERPRETATION; CONFORMATIONAL-CHANGES; BIOMEMBRANE STRUCTURE; HYDROCARBON CHAINS; MODEL MEMBRANES; SUB-TRANSITION; PHOSPHATIDYLCHOLINE AB Raman spectroscopy was used to study the effects of dehydration on vibrational spectra of lipid and water in multilamellar dispersions of DMPC1 over a relative humidity (RH) range of 99% RH to 0% RH. The Raman spectra indicated that at 30 and 40-degrees-C, removal of water induced at least two phase changes in the lipid. Integrated intensities of the OH stretching band were used to estimate the amount of water in the dispersion and confirmed that there was water present even at 0% RH. Relative changes in the profiles of the 3420- and 3240-cm-1 regions of the OH stretching band suggest that water molecules form stronger hydrogen bonds at low levels of hydration than water-water hydrogen bonds in fully hydrated lipid dispersions. The intensity and frequency of the symmetric C-N stretching band were found to be sensitive to the concentration of water in the lipid dispersion which provides evidence that head-group structure is influenced by the degree of hydration. RP KINT, S (reprint author), USDA,WESTERN REG RES CTR,800 BUCHANAN ST,ALBANY,CA 94710, USA. NR 51 TC 32 Z9 32 U1 2 U2 8 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0022-3654 J9 J PHYS CHEM-US JI J. Phys. Chem. PD JAN 9 PY 1992 VL 96 IS 1 BP 446 EP 452 DI 10.1021/j100180a082 PG 7 WC Chemistry, Physical SC Chemistry GA GZ697 UT WOS:A1992GZ69700082 ER PT J AU LAAKSO, JA GLOER, JB WICKLOW, DT DOWD, PF AF LAAKSO, JA GLOER, JB WICKLOW, DT DOWD, PF TI RADARIN-A, RADARIN-B, RADARIN-C, AND RADARIN-D - NEW ANTIINSECTAN AND CYTOTOXIC INDOLE DITERPENOIDS FROM THE SCLEROTIA OF ASPERGILLUS-SULPHUREUS SO JOURNAL OF ORGANIC CHEMISTRY LA English DT Article ID TUBINGENSIS; FLAVUS; NMR AB Four new indole diterpenoids, radarins A-D (3-6), have been isolated from the sclerotia of Aspergillus sulphureus by chromatographic separation of the CH2Cl2 extract. The structure of radarin A (3) was determined using extensive high-field 2D NMR experiments. Radarins B-D (4-6) were assigned by analysis of NMR data, spectral comparison to 3, and/or by chemical interconversion. Compound 3 has the most potent activity against the corn earworm Helicoverpa zea and exhibits significant cytotoxicity in assays against three human solid tumor cell lines. C1 UNIV IOWA,DEPT CHEM,IOWA CITY,IA 52242. USDA ARS,CTR AGR UTILIZAT RES,PEORIA,IL 61604. NR 18 TC 15 Z9 15 U1 0 U2 5 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0022-3263 J9 J ORG CHEM JI J. Org. Chem. PD JAN 3 PY 1992 VL 57 IS 1 BP 138 EP 141 DI 10.1021/jo00027a026 PG 4 WC Chemistry, Organic SC Chemistry GA GY184 UT WOS:A1992GY18400026 ER PT J AU SCHOOFS, L HOLMAN, GM PROOST, P VANDAMME, J HAYES, TK DELOOF, A AF SCHOOFS, L HOLMAN, GM PROOST, P VANDAMME, J HAYES, TK DELOOF, A TI LOCUSTAKININ, A NOVEL MYOTROPIC PEPTIDE FROM LOCUSTA-MIGRATORIA, ISOLATION, PRIMARY STRUCTURE AND SYNTHESIS SO REGULATORY PEPTIDES LA English DT Article DE NEUROPEPTIDE; LOCUSTA-MIGRATORIA; INSECT HINDGUT MOTILITY; HPLC; PANCREATIC ICOSAPEPTIDE ID VERTEBRATE TACHYKININ FAMILY; LEUCOPHAEA-MADERAE; PHARMACOLOGICAL ACTIONS; INSECT NEUROPEPTIDES; MALPIGHIAN TUBULES; VISCERAL MUSCLES; LEUCOKININS; MEMBERS; CEPHALOMYOTROPINS; IDENTIFICATION AB The isolated hindgut of the cockroach, Leucophaea maderae is a very efficient bioassay tool for the monitoring of certain structural types of insect myotropic peptides during HPLC purification. Using this detection system, a six residue peptide has been isolated from an extract of 9000 brain corpora cardiaca-corpora allata suboesophageal ganglion complexes of Locusta migratoria. Amino acid composition and sequence analysis combined with enzymatic digestion data established the structure of the novel peptide as Ala-Phe-Ser-Ser-Trp-Gly-amide. The chromatographic and biological properties of the synthetic peptide were the same as those of the native peptide, thus confirming structural analysis. The carboxy-terminal pentamer sequence is the active core of leucokinins II, V and VII and of achetakinin III (myotropic neuropeptides isolated from Leucophaea m. and from Acheta domesticus; Holman et al., 1990). Furthermore, the octapeptide leucokinin VII contains the novel sequence as its carboxy-terminal hexamer and Achetakinin V (AFHSWGamide) differs from it by one residue. This new peptide designated as locustakinin I (locusts) may therefore represent an evolutionary molecular link between leucokinin VII (cockroaches) and achetakinin V (crickets). Using synthetic locustakinin, physiological studies will be performed in the locust. In view of the known effects of leucokinins, locustakinin may be important in the stimulation of ion transport and inhibition of diuretic activity in Malpighian tubules. This study indicates that the AFXSWGamide sequence appears to have been well conserved and that members of this peptide family may be widely distributed among insects and posses a number of functions. C1 USDA,FOOD & ANIM PROTECT RES LAB,COLLEGE STN,TX 77843. TEXAS A&M UNIV SYST,DEPT ENTOMOL,INVERTEBRATE NEUROENDOCRINE RES LABS,COLLEGE STN,TX 77843. CATHOLIC UNIV LEUVEN,REGA INST MED RES,B-3000 LOUVAIN,BELGIUM. RP SCHOOFS, L (reprint author), CATHOLIC UNIV LEUVEN,INST ZOOL,NAAMSEST 59,B-3000 LOUVAIN,BELGIUM. NR 26 TC 80 Z9 82 U1 0 U2 1 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-0115 J9 REGUL PEPTIDES JI Regul. Pept. PD JAN 2 PY 1992 VL 37 IS 1 BP 49 EP 57 DI 10.1016/0167-0115(92)90063-Z PG 9 WC Endocrinology & Metabolism; Physiology SC Endocrinology & Metabolism; Physiology GA GV894 UT WOS:A1992GV89400006 PM 1585017 ER PT J AU SHAW, D AF SHAW, D BE Klett, CTO TI A historical look at watershed improvement on the national forests in New Mexico SO 36TH ANNUAL NEW MEXICO WATER CONFERENCE, PROCEEDINGS: AGENCIES AND SCIENCE WORKING FOR THE FUTURE SE WRRI REPORT LA English DT Proceedings Paper CT 36th Annual New Mexico Water Conference - Agencies and Science Working for the Future CY NOV 07-08, 1991 CL NEW MEXICO STATE UNIV, LAS CRUCES, NM SP New Mexico Water Resources Res Inst HO NEW MEXICO STATE UNIV C1 US FOREST SERV,ALBUQUERQUE,NM 87102. NR 0 TC 0 Z9 0 U1 0 U2 0 PU NEW MEXICO WATER RESOURCES RESEARCH INSTITUTE PI LAS CRUCES PA NEW MEXICO STATE UNIV, LAS CRUCES, NM 88003 J9 WRRI REP PY 1992 IS 265 BP 21 EP 23 PG 3 WC Water Resources SC Water Resources GA BD59R UT WOS:A1992BD59R00004 ER PT J AU BAKER, MB JEMISON, RL AF BAKER, MB JEMISON, RL BE Klett, CTO TI Soil loss - Key to understanding site productivity SO 36TH ANNUAL NEW MEXICO WATER CONFERENCE, PROCEEDINGS: AGENCIES AND SCIENCE WORKING FOR THE FUTURE SE WRRI REPORT LA English DT Proceedings Paper CT 36th Annual New Mexico Water Conference - Agencies and Science Working for the Future CY NOV 07-08, 1991 CL NEW MEXICO STATE UNIV, LAS CRUCES, NM SP New Mexico Water Resources Res Inst HO NEW MEXICO STATE UNIV C1 US FOREST SERV,FORESTRY SCI LAB,ROCKY MT FOREST & RANGE EXPT STN,TEMPE,AZ 85287. NR 0 TC 0 Z9 0 U1 0 U2 0 PU NEW MEXICO WATER RESOURCES RESEARCH INSTITUTE PI LAS CRUCES PA NEW MEXICO STATE UNIV, LAS CRUCES, NM 88003 J9 WRRI REP PY 1992 IS 265 BP 71 EP 76 PG 6 WC Water Resources SC Water Resources GA BD59R UT WOS:A1992BD59R00012 ER PT B AU AGUILAR, R LOFTIN, SR AF AGUILAR, R LOFTIN, SR BE Klett, CTO TI Sewage sludge application in semiarid grasslands: Effects on runoff and surface water quality SO 36TH ANNUAL NEW MEXICO WATER CONFERENCE, PROCEEDINGS: AGENCIES AND SCIENCE WORKING FOR THE FUTURE SE WRRI REPORT LA English DT Proceedings Paper CT 36th Annual New Mexico Water Conference - Agencies and Science Working for the Future CY NOV 07-08, 1991 CL NEW MEXICO STATE UNIV, LAS CRUCES, NM SP New Mexico Water Resources Res Inst HO NEW MEXICO STATE UNIV C1 US FOREST SERV,ROCKY MT FOREST & RANGE EXPT STN,ALBUQUERQUE,NM 87106. NR 0 TC 1 Z9 1 U1 0 U2 0 PU NEW MEXICO WATER RESOURCES RESEARCH INSTITUTE PI LAS CRUCES PA NEW MEXICO STATE UNIV, LAS CRUCES, NM 88003 J9 WRRI REP PY 1992 IS 265 BP 101 EP 111 PG 11 WC Water Resources SC Water Resources GA BD59R UT WOS:A1992BD59R00015 ER PT J AU ANDERSON, BL AF ANDERSON, BL BE Klett, CTO TI Fire and Gila trout recovery in wilderness watersheds SO 36TH ANNUAL NEW MEXICO WATER CONFERENCE, PROCEEDINGS: AGENCIES AND SCIENCE WORKING FOR THE FUTURE SE WRRI REPORT LA English DT Proceedings Paper CT 36th Annual New Mexico Water Conference - Agencies and Science Working for the Future CY NOV 07-08, 1991 CL NEW MEXICO STATE UNIV, LAS CRUCES, NM SP New Mexico Water Resources Res Inst HO NEW MEXICO STATE UNIV C1 US FOREST SERV,SILVER CITY,NM 88061. NR 0 TC 0 Z9 0 U1 0 U2 0 PU NEW MEXICO WATER RESOURCES RESEARCH INSTITUTE PI LAS CRUCES PA NEW MEXICO STATE UNIV, LAS CRUCES, NM 88003 J9 WRRI REP PY 1992 IS 265 BP 123 EP 128 PG 6 WC Water Resources SC Water Resources GA BD59R UT WOS:A1992BD59R00018 ER PT J AU LAFAYETTE, RA RINNE, JN AF LAFAYETTE, RA RINNE, JN BE Klett, CTO TI Riparian structures and watershed treatments in the southwest: History, status, and management implications a preliminary report SO 36TH ANNUAL NEW MEXICO WATER CONFERENCE, PROCEEDINGS: AGENCIES AND SCIENCE WORKING FOR THE FUTURE SE WRRI REPORT LA English DT Proceedings Paper CT 36th Annual New Mexico Water Conference - Agencies and Science Working for the Future CY NOV 07-08, 1991 CL NEW MEXICO STATE UNIV, LAS CRUCES, NM SP New Mexico Water Resources Res Inst HO NEW MEXICO STATE UNIV C1 US FOREST SERV,ALBUQUERQUE,NM 87102. NR 0 TC 0 Z9 0 U1 0 U2 0 PU NEW MEXICO WATER RESOURCES RESEARCH INSTITUTE PI LAS CRUCES PA NEW MEXICO STATE UNIV, LAS CRUCES, NM 88003 J9 WRRI REP PY 1992 IS 265 BP 133 EP 138 PG 6 WC Water Resources SC Water Resources GA BD59R UT WOS:A1992BD59R00020 ER PT J AU BEEMAN, RW STUART, JJ DENELL, RE MCGAUGHEY, WH DOVER, BA AF BEEMAN, RW STUART, JJ DENELL, RE MCGAUGHEY, WH DOVER, BA TI TRIBOLIUM AS A MODEL INSECT FOR STUDY OF RESISTANCE MECHANISMS SO ACS SYMPOSIUM SERIES LA English DT Review ID RED FLOUR BEETLE; SOUTHEASTERN UNITED-STATES; INFESTING STORED PEANUTS; MALATHION RESISTANCE; GENE; TENEBRIONIDAE; COLEOPTERA; CASTANEUM; COMPLEX AB Classical techniques for chromosome manipulation at the organismal level are used routinely by Drosophila biologists to facilitate the study of genetic variation in populations, but such techniques are lacking in other insects. We are attempting to develop the genetic tools needed to carry out such manipulations in the beetle Tribolium castaneum, and to apply them to the study of several types of biological problems, including insecticide resistance. In principle, artificial mutagenesis can be used to induce resistance mutations at a frequency much higher than the spontaneous rate, providing an efficient way to identify genes capable of conferring resistance. Balancer chromosomes, carrying crossover-suppressing rearrangements, lethals, and dominant visible markers, can be used to extract and render homozygous such mutations, whether recessive or dominant. We have demonstrated the feasibility of applying this method to approach the saturation mutagenesis of a portion of the second linkage group, and are now applying it to a search for pathogen resistance mutations. C1 KANSAS STATE UNIV AGR & APPL SCI,DEPT ENTOMOL,MANHATTAN,KS 66502. KANSAS STATE UNIV AGR & APPL SCI,DIV BIOL,MANHATTAN,KS 66502. PURDUE UNIV,DEPT ENTOMOL,W LAFAYETTE,IN 47905. RP BEEMAN, RW (reprint author), USDA ARS,N CENT REG,US GRAIN MKT RES LAB,1515 COLL AVE,MANHATTAN,KS 66502, USA. NR 21 TC 9 Z9 9 U1 0 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 505 BP 202 EP 208 PG 7 WC Chemistry, Multidisciplinary SC Chemistry GA JV463 UT WOS:A1992JV46300016 ER PT J AU DOWD, PF AF DOWD, PF TI DETOXIFICATION OF MYCOTOXINS BY INSECTS SO ACS SYMPOSIUM SERIES LA English DT Review ID SPODOPTERA-FRUGIPERDA; HELIOTHIS-ZEA; DROSOPHILA-MELANOGASTER; AFLATOXIN-B1 TOXICITY; AMANITIN TOLERANCE; KOJIC ACID; CATERPILLARS; METABOLITES; RESISTANCE; BEETLE AB Resistance to aflatoxin B1 in Drosophila melanogaster is conferred by at least two chromosomes and cytoplasmic factors, and it is thought that unspecific monooxygenases may be involved. Resistance to alpha-amanitin in D. melanogaster is due to an altered target site, RNA polymerase II. Relative resistance to aflatoxin B1 and griseofulvin in spodoptera frugiperda is due to lower rates of activation and higher rates of detoxification compared to Helicoverpa zea. Fungus-feeding larvae of Carpophilus hemipterus are able to hydrolyze a model trichothecene substrate at about 10-fold the rate of H. zea and S. frugiperda. RP DOWD, PF (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,MYCOTOXIN RES UNIT,1815 N UNIV ST,PEORIA,IL 61604, USA. NR 35 TC 6 Z9 6 U1 1 U2 9 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 505 BP 264 EP 275 PG 12 WC Chemistry, Multidisciplinary SC Chemistry GA JV463 UT WOS:A1992JV46300021 ER PT J AU PAULSON, GD FEIL, VJ SOMMER, PJ LAMOUREUX, CH AF PAULSON, GD FEIL, VJ SOMMER, PJ LAMOUREUX, CH TI SULFONAMIDE DRUG IN LACTATING DAIRY-COWS - NOVEL METABOLISM SO ACS SYMPOSIUM SERIES LA English DT Review ID NUCLEAR MAGNETIC-RESONANCE; HYDROXY METABOLITES; SULFAMETHAZINE; SULFADIMIDINE; IDENTIFICATION; PHARMACOKINETICS; SPECTROMETRY; N-4-ACETYL; RESIDUES; MILK AB Lactating dairy cows were orally or intravenously dosed with C-14-Sulfamethazine {C-14-Sulmet; 4-amino-N-(4,6-dimethyl-2-pyrimidinyl)-benzene[U-C-14] sulfonamide}. C-14-Labeled compounds in tissues and urine were isolated by chromatographic techniques and identified by H-1-NMR and mass spectrometry. The cows metabolized C-14-Sulmet by the following mechanisms: (1) acetylation at the N4-position; (2) hydroxylation at the 5-position of the heterocyclic ring followed by sulfate ester or hexuronic acid conjugation; (3) oxidation of a methyl group to a hydroxymethyl group followed by sulfate ester conjugation; (4) conjugation of the N1-position with a hexose or a hexuronic acid; (5) hydroxylation of the 3-position of the benzene ring followed by hexuronic acid conjugation; and (6) cleavage of the N1-C bond to yield sulfanilamide. RP PAULSON, GD (reprint author), USDA ARS,BIOSCI RES LAB,POB 5674,UNIV STN,FARGO,ND 58105, USA. NR 20 TC 5 Z9 5 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 503 BP 190 EP 202 PG 13 WC Chemistry, Multidisciplinary SC Chemistry GA JQ181 UT WOS:A1992JQ18100013 ER PT J AU VERCELLOTTI, JR STANGELO, AJ SPANIER, AM AF VERCELLOTTI, JR STANGELO, AJ SPANIER, AM TI LIPID OXIDATION IN FOODS - AN OVERVIEW SO ACS SYMPOSIUM SERIES LA English DT Review ID OXYGEN RADICALS; PROTEIN DAMAGE; FLAVOR; BEEF; DEGRADATION; PEROXIDATION; TEMPERATURE; INITIATION; STABILITY; SYSTEMS AB Very real and important problems remain in food quality preservation from free radical oxidative deterioration. The chemistry of polyunsaturated fatty acids and their reactivity to oxygen and carbon to carbon bond scissions or rearrangements in foods is an active, exciting area. Each paper in this Symposium on Lipid Oxidation in Foods posed unique challenges. Solutions involve understanding mechanisms of free radical oxidation and their control through critical chemical interactions. The future food supply as well as nutritional health of the public and institutions supporting highest quality of products for the consumer will benefit from knowledge shared on this occasion. RP VERCELLOTTI, JR (reprint author), USDA ARS,SO REG RES CTR,1100 ROBERT E LEE BLVD,NEW ORLEANS,LA 70124, USA. NR 38 TC 23 Z9 24 U1 0 U2 8 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 500 BP 1 EP 11 PG 11 WC Chemistry, Multidisciplinary SC Chemistry GA JQ180 UT WOS:A1992JQ18000001 ER PT J AU SPANIER, AM MILLER, JA BLAND, JM AF SPANIER, AM MILLER, JA BLAND, JM TI LIPID OXIDATION - EFFECT ON MEAT PROTEINS SO ACS SYMPOSIUM SERIES LA English DT Review ID WARMED-OVER FLAVOR; MUSCLE FOODS; HYDROGEN-PEROXIDE; ENZYME-ACTIVITY; CATHEPSINS-B; COOKED MEAT; BEEF; DEGRADATION; MYOFIBRILS; SUPEROXIDE AB A model is described for studying the effect of free radical reactions on beef proteins. While most beef flavor studies have focused on examining lipid volatiles, the contribution of peptides to flavor has been generally overlooked. The model uses artificial membranes in the form of multilamellar liposomes that are made from extracted beef lipids. The desired protein(s) is (are) encapsulated into the liposomes for investigation of the effect of free radicals on protein structure and function. A free radical oxidation generating solution is used to generate radicals through lipid peroxidation that is monitored by analyzing the production of thiobarbituric acid reactive substances. Changes in protein composition and function are assessed by capillary electrophoresis and enzyme activity measurements. Induction of free radicals leads both to inactivation and activation of enzymes and induces both loss and appearance of proteins and peptides. C1 USDA ARS,SO REG RES CTR,ENVIRONM TECHNOL RES,NEW ORLEANS,LA 70124. RP SPANIER, AM (reprint author), USDA ARS,SO REG RES CTR,FOOD FLAVOR QUAL RES,1100 ROBERT E LEE BLVD,NEW ORLEANS,LA 70124, USA. NR 48 TC 15 Z9 15 U1 0 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 500 BP 104 EP 119 PG 16 WC Chemistry, Multidisciplinary SC Chemistry GA JQ180 UT WOS:A1992JQ18000007 ER PT J AU STANGELO, AJ SPANIER, AM BETT, KL AF STANGELO, AJ SPANIER, AM BETT, KL TI CHEMICAL AND SENSORY EVALUATION OF FLAVOR IN UNTREATED AND ANTIOXIDANT-TREATED MEAT SO ACS SYMPOSIUM SERIES LA English DT Review ID WARMED-OVER FLAVOR; BEEF AB Meat flavor deterioration primarily develops from the oxidation of polyunsaturated fatty acids catalyzed by metal ions and other free radical generating systems. As off-flavors intensify with storage, the desirable meaty flavor notes decrease. Experiments were designed to examine mechanisms that prevent these flavor changes. Ground beef patties, freshly cooked and cooked/stored for up to 5 days at 4-degrees-C, were examined by direct gas chromatography and chemical and sensory methods of analysis. Results demonstrated that combined vacuum packaging and use of chelators and antioxidants act synergistically to prevent lipid oxidation and to preserve desirable meat flavor. RP STANGELO, AJ (reprint author), USDA ARS,SO REG RES CTR,1100 ROBERT E LEE BLVD,NEW ORLEANS,LA 70124, USA. NR 28 TC 10 Z9 10 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 500 BP 140 EP 160 PG 21 WC Chemistry, Multidisciplinary SC Chemistry GA JQ180 UT WOS:A1992JQ18000009 ER PT J AU VERCELLOTTI, JR MILLS, OE BETT, KL SULLEN, DL AF VERCELLOTTI, JR MILLS, OE BETT, KL SULLEN, DL TI GAS-CHROMATOGRAPHIC ANALYSES OF LIPID OXIDATION VOLATILES IN FOODS SO ACS SYMPOSIUM SERIES LA English DT Review ID TOMATO PASTE VOLATILES; THERMAL-DESORPTION; AROMA VOLATILES; ROASTED PEANUTS; TENAX-GC; FLAVOR; TIME AB Volatiles analysis, by direct GC and olfactory "sniffer port", was improved by external closed inlet device (ECID) with a wide bore glass capillary column as both trap and separation medium. A study was made of recovery of standards either directly from vegetable oil or from Tenax GC or Carbopack B/Carbosieve SIII. Recovery of volatiles from cartridges was either carried out by thermal desorption or by solvent elution. Roasted peanuts were analyzed for volatiles by direct GC from the ECID and "aromagrams" generated. During lipid oxidation volatiles rose dramatically to the high ppm range while off-flavors intensified in the olfactory portion of the aromagram; simultaneously, positive olfactory attributes became imperceptible as many heterocycles or thio-derivatives (ppb level) disappeared at high peroxide values. RP VERCELLOTTI, JR (reprint author), USDA ARS,SO REG RES CTR,1100 ROBERT E LEE BLVD,NEW ORLEANS,LA 70124, USA. NR 50 TC 14 Z9 14 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 500 BP 232 EP 265 PG 34 WC Chemistry, Multidisciplinary SC Chemistry GA JQ180 UT WOS:A1992JQ18000013 ER PT J AU BETT, KL BOYLSTON, TD AF BETT, KL BOYLSTON, TD TI EFFECT OF STORAGE ON ROASTED PEANUT QUALITY - DESCRIPTIVE SENSORY ANALYSIS AND GAS-CHROMATOGRAPHIC TECHNIQUES SO ACS SYMPOSIUM SERIES LA English DT Review ID FLAVOR; COMPONENTS; TIME AB Flavor of roasted peanuts, as well as the profile of volatile compounds change during storage. Florunner peanuts from two crop years were sorted by commercial grade sizes and roasted. After roasting, peanuts were stored in open containers at 37-degrees-C until sampling for a maximum of 12 weeks. Six flavor descriptors (roasted peanutty, sweet aromatic, cardboardy, painty, fermented/fruity, and woody/hulls/skins) were evaluated for intensity. Volatile compounds were analyzed during the 12 weeks using headspace analysis by gas chromatograph, with trapping on Tenax adsorbent. Lipid oxidation descriptors, such as painty and cardboardy flavor intensities, as well as lipid oxidation products, such as hexanal, octanal and 2-octanone increased during storage. In contrast, roasted peanutty flavor intensity decreased during storage along with the alkylpyrazines. Commercial seed size affected the concentration of carbonyl compounds, but not the alkylpyrazines. RP BETT, KL (reprint author), USDA ARS,SO REG RES CTR,1100 ROBERT E LEE BLVD,NEW ORLEANS,LA 70124, USA. NR 35 TC 41 Z9 42 U1 0 U2 5 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 500 BP 322 EP 343 PG 22 WC Chemistry, Multidisciplinary SC Chemistry GA JQ180 UT WOS:A1992JQ18000019 ER PT J AU CORNISH, K AF CORNISH, K TI NATURAL-RUBBER BIOSYNTHESIS - A BRANCH OF THE ISOPRENOID PATHWAY IN PLANTS SO ACS SYMPOSIUM SERIES LA English DT Review ID PARTHENIUM-ARGENTATUM GRAY; ISOPENTENYL-DIPHOSPHATE; HEVEA-BRASILIENSIS; PURIFICATION; POLYISOPRENE; GUAYULE; ISOMERASE; ENZYME RP CORNISH, K (reprint author), USDA ARS,WESTERN REG RES CTR,800 BUCHANAN ST,ALBANY,CA 94710, USA. RI Cornish, Katrina/A-9773-2013 NR 17 TC 3 Z9 3 U1 0 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 497 BP 18 EP 26 PG 9 WC Chemistry, Multidisciplinary SC Chemistry GA JG848 UT WOS:A1992JG84800003 ER PT J AU SVOBODA, JA CHITWOOD, DJ AF SVOBODA, JA CHITWOOD, DJ TI INHIBITION OF STEROL-METABOLISM IN INSECTS AND NEMATODES SO ACS SYMPOSIUM SERIES LA English DT Review ID CAENORHABDITIS-ELEGANS; PANAGRELLUS-REDIVIVUS; NIPPOSTRONGYLUS-BRASILIENSIS; IRREVERSIBLE INHIBITORS; CHOLESTERYL DERIVATIVES; NEMATOSPIROIDES-DUBIUS; ECDYSONE BIOSYNTHESIS; NEMATOCIDAL ACTIVITY; IMIDAZOLE COMPOUND; LOCUSTA-MIGRATORIA AB Highlights of research on inhibition of sterol metabolism in insects and nematodes is summarized and discussed. Steroid metabolism in insects and nematodes presents a unique area of biochemical differences from vertebrates and plants, since neither insects nor nematodes are able to biosynthesize the steroid nucleus. Both insects and nematodes rely on dietary sources of sterol for normal growth and development and are capable of considerably altering their dietary sterols, particularly C28 and C29 phytosterols, to produce cholesterol as well as a large number of other sterols. Further, cholesterol is essential for the production of molting hormones (ecdysteroids) in most insects. Thus, the disruption of uptake, transport, or metabolism of dietary sterols in insects or nematodes could be fatal to the organism and could lead to new, specific control technology. A variety of compounds have been developed that effectively inhibit sterol metabolism in insects and nematodes and demonstrate that this is a vulnerable area of biochemistry in these organisms to exploit. C1 USDA ARS,BELTSVILLE AGR RES CTR,NEMATOL LAB,BELTSVILLE,MD 20705. RP SVOBODA, JA (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,INSECT NEUROBIOL & HORMONE LAB,BELTSVILLE,MD 20705, USA. NR 79 TC 8 Z9 8 U1 2 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 SN 0097-6156 J9 ACS SYM SER PY 1992 VL 497 BP 205 EP 218 PG 14 WC Chemistry, Multidisciplinary SC Chemistry GA JG848 UT WOS:A1992JG84800015 ER PT J AU HASEGAWA, S FONG, CH HERMAN, Z MIYAKE, M AF HASEGAWA, S FONG, CH HERMAN, Z MIYAKE, M TI GLUCOSIDES OF LIMONOIDS SO ACS SYMPOSIUM SERIES LA English DT Review ID CITRUS LIMONOIDS; ANTIFEEDANTS; MICE AB Limonoids are one of the two bitter principles in Citrus. Recently, limonoids have been shown to be present as glucoside derivatives in the Rutaceae. The 17-beta-D-glucopyranosides of 17 citrus limonoids have been isolated from Citrus and its hybrids. Four such compounds have been also isolated from non-citrus members of the Rutaceae. They are all nonbitter. The glucosidation of limonoids is an enzymic conversion of bitter to nonbitter compounds and is a natural limonoid debittering process taking place in Citrus. This chapter describes the discovery, occurrence, biosynthesis and possible biological significance of limonoid glucosides in Citrus. C1 WAKAYAMA AGR BIOL RES INST, WAKAYAMAKEN 64961, JAPAN. RP HASEGAWA, S (reprint author), USDA, FRUIT & VEGETABLE CHEM LAB, 263 S CHESTER AVE, PASADENA, CA 91106 USA. NR 31 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 490 BP 87 EP 97 PG 11 WC Chemistry, Multidisciplinary SC Chemistry GA HZ710 UT WOS:A1992HZ71000008 ER PT J AU TAKEOKA, GR FLATH, RA BUTTERY, RG WINTERHALTER, P GUNTERT, M RAMMING, DW TERANISHI, R AF TAKEOKA, GR FLATH, RA BUTTERY, RG WINTERHALTER, P GUNTERT, M RAMMING, DW TERANISHI, R TI FREE AND BOUND FLAVOR CONSTITUENTS OF WHITE-FLESHED NECTARINES SO ACS SYMPOSIUM SERIES LA English DT Review ID FRUIT CYDONIA-OBLONGA; VITIS-VINIFERA GRAPES; VOLATILE CONSTITUENTS; AROMA COMPONENTS; C-13 NORISOPRENOIDS; PASSIFLORA-EDULIS; SOUR CHERRY; IDENTIFICATION; MILL; TOMATO AB The volatiles of white-fleshed nectarine (Prunus persica nectarina) were studied by capillary gas chromatography and combined capillary gas chromatography-mass spectrometry (GC-MS) using dynamic headspace sampling of intact fruit, direct extraction of juice, and simultaneous vacuum and atmospheric distillation-extraction of blended fruit. Enzymatic hydrolysis of the glycoside fraction obtained from nectarine juice by adsorption on Amberlite XAD-2 resin followed by elution with ethyl acetate and methanol led to the identification of the following C-13 norisoprenoids: 3-oxo-alpha-ionol, 3-hydroxy-7,8-dihydro-beta-ionol, 3-hydroxy-beta-ionone, 3-oxo-7,8-dihydro-alpha-ionol, 3-oxo-retro-alpha-ionol, vomifoliol, and 7,8-dihydrovomifoliol. C1 HAARMANN & REIMER GMBH, RES DEPT, W-3450 HOLZMINDEN, GERMANY. UNIV WURZBURG, LEHRSTUHL LEBENSMITTELCHEM, W-8700 WURZBURG, GERMANY. USDA ARS, FRESNO, CA 93727 USA. RP TAKEOKA, GR (reprint author), USDA ARS, BUCHANAN ST, ALBANY, CA 94710 USA. NR 70 TC 0 Z9 0 U1 1 U2 1 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 490 BP 116 EP 138 PG 23 WC Chemistry, Multidisciplinary SC Chemistry GA HZ710 UT WOS:A1992HZ71000010 ER PT J AU RIALS, TG AF RIALS, TG TI CURE ANALYSIS OF PHENOL FORMALDEHYDE RESINS BY MICRODIELECTRIC SPECTROSCOPY SO ACS SYMPOSIUM SERIES LA English DT Review AB The influence of prepolymer functionality and pH conditions on the curing behavior of phenol-formaldehyde resins was studied by differential scanning calorimetry and microdielectric spectroscopy. Excellent agreement was found for these two analytical methods, readily distinguishing between the acid and alkaline cured systems. In terms of the rheology of the cure process, observed by changes in the resin conductivity, the greatest disparity was found between the two early stage resins when cured at acid pH. A much more rapid development of crosslinks and an apparently more extensive network structure observed for the earliest stage resin (PF-I) were attributed to the availability of more unsubstituted para positions on the aromatic ring for reaction with hydroxymethyl phenol groups. This effect was readily observable under both dynamic and isothermal curing regimes. RP RIALS, TG (reprint author), US FOREST SERV, SO FOREST EXPT STN, 2500 SHREVEPORT HIGHWAY, PINEVILLE, LA 71360 USA. NR 15 TC 0 Z9 0 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 489 BP 282 EP 294 PG 13 WC Chemistry, Multidisciplinary SC Chemistry GA HX202 UT WOS:A1992HX20200018 ER PT J AU ROWELL, RM AF ROWELL, RM TI OPPORTUNITIES FOR LIGNOCELLULOSIC MATERIALS AND COMPOSITES SO ACS SYMPOSIUM SERIES LA English DT Review AB High performance lignocellulosic composites with uniform densities, durability in adverse environments, and high strength can be produced by using fiber technology, bonding agents, and fiber modification to overcome dimensional instability, biodegradability, flammability, and degradation caused by ultraviolet light, acids, and bases. Products with complex shapes can also be produced using flexible fiber mats, which can be made by nonwoven needling or thermoplastic fiber melt matrix technologies. The wide distribution, renewability, and recyclability of lignocellulosics can expand the market for low-cost materials and high performance composites. Research is being done to combine lignocellulosics with materials such as glass, metals, plastics, inorganics, and synthetic fibers to produce new materials that are tailored for end-use requirements. C1 UNIV WISCONSIN, USDA, FORESTRY SERV, DEPT FORESTRY, MADISON, WI 53705 USA. RP ROWELL, RM (reprint author), UNIV WISCONSIN, USDA, FORESTRY SERV, FOREST PROD LAB, MADISON, WI 53705 USA. NR 10 TC 1 Z9 1 U1 0 U2 2 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 476 BP 12 EP 27 PG 16 WC Chemistry, Multidisciplinary SC Chemistry GA GW627 UT WOS:A1992GW62700002 ER PT J AU YOUNGQUIST, J MYERS, GE HARTEN, TM AF YOUNGQUIST, J MYERS, GE HARTEN, TM TI LIGNOCELLULOSIC PLASTIC COMPOSITES FROM RECYCLED MATERIALS SO ACS SYMPOSIUM SERIES LA English DT Review ID FIBER-POLYSTYRENE COMPOSITES; MECHANICAL-PROPERTIES; COUPLING AGENTS; COMMON THERMOPLASTICS; CELLULOSIC FILLERS; CHEMICAL TREATMENT; PROCESSING AIDS; WOOD FIBERS; POLYPROPYLENES; EFFICIENCY AB Reductions are urgently needed in the quantities of municipal solid waste (MSW) materials that are currently being landfilled. Waste wood, waste paper, and waste plastics are major components of MSW and offer great opportunities as recycled ingredients in wood fiber-plastic composites. With cooperation from the U.S. Environmental Protection Agency, a research and development program has been initiated at the Forest Products Laboratory and University of Wisconsin-Madison to investigate the processing, properties, and commercial potential of composites containing these recycled ingredients. Two processing technologies are being employed-melt blending and nonwoven web. Some past research studies are briefly reviewed to illustrate the behavior of wood fiber-polyolefin composites. C1 US EPA, CINCINNATI, OH 45268 USA. RP YOUNGQUIST, J (reprint author), US FOREST SERV, FOREST PROD LAB, 1 GIFFORD PINCHOT DR, MADISON, WI 53705 USA. NR 34 TC 0 Z9 0 U1 1 U2 3 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 476 BP 42 EP 56 PG 15 WC Chemistry, Multidisciplinary SC Chemistry GA GW627 UT WOS:A1992GW62700004 ER PT J AU DOANE, WM SWANSON, CL FANTA, GF AF DOANE, WM SWANSON, CL FANTA, GF TI EMERGING POLYMERIC MATERIALS BASED ON STARCH SO ACS SYMPOSIUM SERIES LA English DT Review ID GRAFT COPOLYMERS; DIMETHYLAMINOETHYL METHACRYLATE; FLOCCULATING AGENTS; G-POLYACRYLONITRILE; G-POLYSTYRENE; BLOWN FILMS; WATER; MIXTURES; PLASTICS; LATEXES RP DOANE, WM (reprint author), USDA ARS, NATL CTR AGR UTILIZAT RES, PLANT POLYMER RES, 1815 N UNIV ST, PEORIA, IL 61604 USA. NR 107 TC 1 Z9 1 U1 0 U2 0 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 476 BP 197 EP 230 PG 34 WC Chemistry, Multidisciplinary SC Chemistry GA GW627 UT WOS:A1992GW62700013 ER PT J AU JEFFRIES, TW AF JEFFRIES, TW TI ENZYMATIC TREATMENTS OF PULPS SO ACS SYMPOSIUM SERIES LA English DT Review ID SACCHAROMONOSPORA-VIRIDIS XYLANASE; LIGNIN-CARBOHYDRATE BONDS; RECYCLED PAPER-INDUSTRY; REMOVING HEMICELLULOSE; ENZYMIC-HYDROLYSIS; PRODUCT QUALITY; RESIDUAL LIGNIN; KRAFT PULP; STREPTOMYCES; SOLUBILIZATION AB The pulp and paper industry processes huge quantities of lignocellulosic biomass every year; the technology for pulp manufacture is highly diverse, and numerous opportunities exist for applying microbial enzymes. Enzymes have been used to increase pulp fibrillation and water retention and to reduce beating times in virgin pulps. With recycled fibers, enzymes have been used to restore bonding and increase freeness. Specialized applications include the reduction of vessel picking in tropical hardwood pulps and the selective removal of xylan from dissolving pulps. The single most important application is in the removal of lignin from kraft pulps. Both lignin-degrading and hemicellulose-degrading enzymes have been shown to be effective for this purpose, but many other microbial enzymes remain to be examined. Eventually, microbial enzymes in conjunction with the appropriate chemical of thermochemical extractions might enable the fractionation of cellulose, hemicellulose, and lignin from pulps and other lignocellulosics. RP US FOREST SERV, FOREST PROD LAB, INST MICROBIAL & BIOCHEM TECHNOL, 1 GIFFORD PINCHOT DR, MADISON, WI 53705 USA. RI Jeffries, Thomas/I-8576-2012 OI Jeffries, Thomas/0000-0001-7408-4065 NR 76 TC 0 Z9 0 U1 1 U2 4 PU AMER CHEMICAL SOC PI WASHINGTON PA 1155 16TH ST, NW, WASHINGTON, DC 20036 USA SN 0097-6156 J9 ACS SYM SER JI ACS Symp. Ser. PY 1992 VL 476 BP 313 EP 329 PG 17 WC Chemistry, Multidisciplinary SC Chemistry GA GW627 UT WOS:A1992GW62700018 ER PT J AU SKRINJAR, M STUBBLEFIELD, RD VUJICIC, IF STOJANOVIC, E AF SKRINJAR, M STUBBLEFIELD, RD VUJICIC, IF STOJANOVIC, E TI DISTRIBUTION OF AFLATOXIN-PRODUCING MOLDS AND AFLATOXINS IN DAIRY-CATTLE FEED AND RAW-MILK SO ACTA MICROBIOLOGICA HUNGARICA LA English DT Article AB Distribution of aflatoxigenic moulds and aflatoxin B1 in Yugoslav dairy cattle feeds as well as the presence of anatoxin B1 and M1 in raw milk, was tested. The experiments were carried out through three years (in all seasons). Samples were taken from state and private farms in Vojvodina. Feeds were contaminated in 83-100% with moulds. Fungi of Aspergillus flavus-oryzae group were present permanently and the highest incidence of them was noticed during the third research year. Aflatoxin B1 was not found in the first year, but malt spent grains used for cows' feeding in summer of the second research year was contaminated with it (50.0 mug/kg). The same feed and pelleted sugar beet pulp were contaminated with aflatoxin B1 in winter, spring and summer of the third research year (5.0 to 16.0 mug/kg). Aflatoxin B1 and M1 were not found in raw milk through three-years investigations. C1 USDA ARS,NATL CTR AGR UTILIZAT RES,PEORIA,IL 61604. UNIV NOVI SAD,FAC AGR,YU-21000 NOVI SAD,YUGOSLAVIA. DAIRY PLANT ODZACANKA,YU-25250 ODZACI,YUGOSLAVIA. RP SKRINJAR, M (reprint author), UNIV NOVI SAD,FAC TECHNOL,YU-21000 NOVI SAD,YUGOSLAVIA. NR 12 TC 9 Z9 10 U1 0 U2 0 PU AKADEMIAI KIADO PI BUDAPEST PA PO BOX 245, H-1519 BUDAPEST, HUNGARY SN 0231-4622 J9 ACTA MICROBIOL HUNG PY 1992 VL 39 IS 2 BP 175 EP 179 PG 5 WC Microbiology SC Microbiology GA LG669 UT WOS:A1992LG66900008 PM 1307441 ER PT J AU GRONVOLD, J NANSEN, P GASBARRE, LC CHRISTENSEN, CM LARSEN, M MONRAD, J MIDTGAARD, N AF GRONVOLD, J NANSEN, P GASBARRE, LC CHRISTENSEN, CM LARSEN, M MONRAD, J MIDTGAARD, N TI DEVELOPMENT OF IMMUNITY TO OSTERTAGIA-OSTERTAGI (TRICHOSTRONGYLIDAE, NEMATODA) IN PASTURED YOUNG CATTLE SO ACTA VETERINARIA SCANDINAVICA LA English DT Article DE NEMATODES; ENDOPARASITES ID GRAZING CALVES; INFECTION; ANTIGENS AB This experiment comprised 3 groups of calves, (+P2), (-P2) and (-P1), which all started their first grazing season as parasite-free calves. The (+P2)- and (-P2)-group grazed 2 seasons. In the first season the (-P2)-group of calves was grazing a pasture with no detectable trichostrongyles and treated with anthelmintics every second week. The untreated (+P2)-group grazed an Ostertagia ostertagi contaminated pasture. During the second grazing season these 2 original groups grazed together with a new group of first-year grazing calves (-P1) on paddocks infected with O.ostertagi. Parasitological analyses showed that (+P2)-group had negligible egg excretions in the second year in comparison with (-P2) and (-P1). This indicated. that the egg output may be regulated through acquired immunity. The difference in egg excretions was not reflected in the serum pepsinogen levels, which were only slightly elevated for all groups in the second year. Post mortem examination at the end of the experiment showed that only the (-P1)-group harboured relatively high numbers of worms in the abomasa at that time. Antibodies of 3 immunoglobulin classes were investigated: IgA, IgG1 and IgG2. The IgA and IgG1 responses correlated with the presence of developing and adult worms in the abomasa and they remained elevated in the (+P2)-group throughout the experiment, perhaps indicating an involvement of these antibodies in a protective immune response. In the (-P2)-group the IgA and IgG1 showed fast and sharp rises during the second season that most likely were age-related and as such a result of maturation of the immune system. The role of IgG2 is unclear as the IgG2 response was weak in all groups of calves and difficult to relate to the parasitological data. C1 USDA ARS,BELTSVILLE AGR RES CTR,HELMINT DIS LAB,BELTSVILLE,MD 20705. RP GRONVOLD, J (reprint author), ROYAL VET & AGR UNIV,DEPT VET MICROBIOL,BULOWSVEJ 13,DK-1870 COPENHAGEN,DENMARK. NR 23 TC 14 Z9 14 U1 0 U2 3 PU DANSKE DYRLAEGEFORENING PI VANLOSE PA ROSENLUNDS ALLE 8, DK-2720 VANLOSE, DENMARK SN 0044-605X J9 ACTA VET SCAND JI Acta Vet. Scand. PY 1992 VL 33 IS 4 BP 305 EP 316 PG 12 WC Veterinary Sciences SC Veterinary Sciences GA KH202 UT WOS:A1992KH20200007 PM 1488946 ER PT J AU GOLDBERG, S AF GOLDBERG, S TI USE OF SURFACE COMPLEXATION MODELS IN SOIL CHEMICAL-SYSTEMS SO ADVANCES IN AGRONOMY LA English DT Review ID AMORPHOUS IRON OXYHYDROXIDE; ELECTRICAL DOUBLE-LAYER; OXIDE-WATER INTERFACE; SOLID-SOLUTION INTERFACE; CHARGE MINERAL SURFACE; ALUMINA ELECTROLYTE INTERFACE; CONSTANT CAPACITANCE MODEL; AQUEOUS-SOLUTION INTERFACE; PRESSURE-JUMP TECHNIQUE; GOETHITE ALPHA-FEOOH RP GOLDBERG, S (reprint author), USDA ARS, US SALIN LAB, RIVERSIDE, CA 92501 USA. NR 181 TC 157 Z9 158 U1 4 U2 33 PU ACADEMIC PRESS INC ELSEVIER SCIENCE PI SAN DIEGO PA 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA SN 0065-2113 J9 ADV AGRON JI Adv. Agron. PY 1992 VL 47 BP 233 EP 329 DI 10.1016/S0065-2113(08)60492-7 PG 97 WC Agronomy SC Agriculture GA MD551 UT WOS:A1992MD55100005 ER PT J AU ZHANG, R WARRICK, AW ARTIOLA, JF AF ZHANG, R WARRICK, AW ARTIOLA, JF TI NUMERICAL MODELING OF FREE-DRAINAGE WATER SAMPLERS IN THE SHALLOW VADOSE ZONE SO ADVANCES IN WATER RESOURCES LA English DT Article DE FREE-DRAINAGE WATER SAMPLER; UNSATURATED FLOW; MODELING AB A finite element model was used to simulate the performance of a free-drainage sampler. This device may be used to collect soil water by free drainage in the shallow vadose zone. A unique feature of this sampling device is that it serves as a barrier to flow and creates a locally saturated region in an otherwise unsaturated system. Steady and unsteady flows were modeled assuming the hydraulic functions of van Genuchten and Gardner. Results include flux into the sampler and distribution of hydraulic head as functions of soil hydraulic properties, background soil flux and sampler size. RP ZHANG, R (reprint author), USDA ARS,US SALIN LAB,4500 GLENWOOD DR,RIVERSIDE,CA 92501, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0309-1708 J9 ADV WATER RESOUR JI Adv. Water Resour. PY 1992 VL 15 IS 4 BP 251 EP 258 DI 10.1016/0309-1708(92)90010-Y PG 8 WC Water Resources SC Water Resources GA KE296 UT WOS:A1992KE29600003 ER PT J AU SHARRATT, BS BAKER, DG WALL, DB SKAGGS, RH RUSCHY, DL AF SHARRATT, BS BAKER, DG WALL, DB SKAGGS, RH RUSCHY, DL TI SNOW DEPTH REQUIRED FOR NEAR STEADY-STATE SOIL TEMPERATURES SO AGRICULTURAL AND FOREST METEOROLOGY LA English DT Article ID WINTER AB The insulating value of snow was determined from 16 winters of measurements of snow depths, air temperatures and 1 cm soil temperatures in a soil frozen at least 5 cm deep. Data were aggregated into 2.5 cm snow depth categories and linear regression equations were calculated for the air temperature versus the 1 cm soil temperature for each 2.5 cm snow depth category. Five methods of analyzing the data were used to estimate the snow depth required for near steady-state soil temperatures. Depths ranging between 15 and 42.5 cm were indicated by the five methods as being necessary. The depth of snow found in this study for an essentially steady-state soil temperature is deeper than that found by the majority of investigators. This is believed to be the result of: (a) the shallower depth of the soil temperature sensor; (b) the larger number of samples that represented a more varied sampling in terms of snow densities; (c) a greater duration of the measurement periods. C1 UNIV MINNESOTA,DEPT SOIL SCI,ST PAUL,MN 55108. UNIV MINNESOTA,DEPT GEOG,MINNEAPOLIS,MN 55455. RP SHARRATT, BS (reprint author), USDA ARS,SUBARCT AGR RES UNIT,FAIRBANKS,AK, USA. NR 8 TC 28 Z9 28 U1 2 U2 10 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0168-1923 J9 AGR FOREST METEOROL JI Agric. For. Meteorol. PD JAN PY 1992 VL 57 IS 4 BP 243 EP 251 DI 10.1016/0168-1923(92)90121-J PG 9 WC Agronomy; Forestry; Meteorology & Atmospheric Sciences SC Agriculture; Forestry; Meteorology & Atmospheric Sciences GA HE958 UT WOS:A1992HE95800001 ER PT J AU HAYS, SM AF HAYS, SM TI FROM ASPARAGUS TO MINT - RESEARCH MAKES IT BETTER SO AGRICULTURAL RESEARCH LA English DT Editorial Material RP HAYS, SM (reprint author), USDA ARS,INFORMAT STAFF,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 2 EP 2 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600001 ER PT J AU STANLEY, D AF STANLEY, D TI CRANKING UP THE CRANBERRY - CAN CRANBERRIES DEFEND THEMSELVES SO AGRICULTURAL RESEARCH LA English DT Article RP STANLEY, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 4 EP 6 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600002 ER PT J AU CORLISS, J AF CORLISS, J TI EXACTLY HOW WET IS A CRANBERRY BOG SO AGRICULTURAL RESEARCH LA English DT Article RP CORLISS, J (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 6 EP 6 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600003 ER PT J AU WOOD, M AF WOOD, M TI FROM CATTLE TOXIN TO ANTICANCER DRUG SO AGRICULTURAL RESEARCH LA English DT Article RP WOOD, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 7 EP 7 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600004 ER PT J AU GERRIETTS, M AF GERRIETTS, M TI LEANER BEEF BENEFITS THE HEALTH CONSCIOUS SO AGRICULTURAL RESEARCH LA English DT Article RP GERRIETTS, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 1 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 8 EP 10 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600005 ER PT J AU WOOD, M AF WOOD, M TI GOOD FATS DONT DIMINISH GOOD CHOLESTEROL SO AGRICULTURAL RESEARCH LA English DT Article RP WOOD, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 11 EP 11 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600006 ER PT J AU COMIS, D AF COMIS, D TI GIANT SCALES WEIGHT WATER SO AGRICULTURAL RESEARCH LA English DT Article RP COMIS, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 3 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 12 EP 14 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600007 ER PT J AU CORLISS, J AF CORLISS, J TI RESEARCHERS MIND THE MINT SO AGRICULTURAL RESEARCH LA English DT Article RP CORLISS, J (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 1 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 15 EP 17 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600008 ER PT J AU KINZEL, B AF KINZEL, B TI FLAVOR GAINS OVER FLAVOR LOSS SO AGRICULTURAL RESEARCH LA English DT Article RP KINZEL, B (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 18 EP 20 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600009 ER PT J AU GERRIETTS, M AF GERRIETTS, M TI KEEPING YOUR CARCASS CLEAN SO AGRICULTURAL RESEARCH LA English DT Article RP GERRIETTS, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 21 EP 22 PG 2 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600010 ER PT J AU KINZEL, B AF KINZEL, B TI HIGH-TECH HIDES MAKE BETTER LEATHER SO AGRICULTURAL RESEARCH LA English DT Article RP KINZEL, B (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 23 EP 25 PG 3 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600011 ER PT J AU CORLISS, J AF CORLISS, J TI DISEASE-FREE PEAS SO AGRICULTURAL RESEARCH LA English DT Note RP CORLISS, J (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 26 EP 26 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600013 ER PT J AU SENFT, D AF SENFT, D TI SUPER BACTERIA BOOST YIELDS SO AGRICULTURAL RESEARCH LA English DT Note RP SENFT, D (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 26 EP 26 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600012 ER PT J AU DEQUATTRO, J AF DEQUATTRO, J TI WATCHING CHOLESTEROL - IN WORMS AND OYSTERS SO AGRICULTURAL RESEARCH LA English DT Note RP DEQUATTRO, J (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 27 EP 27 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600015 ER PT J AU WOOD, M AF WOOD, M TI ENZYME GETS THE GUAVA JUICE OUT SO AGRICULTURAL RESEARCH LA English DT Note RP WOOD, M (reprint author), USDA ARS,WASHINGTON,DC 20250, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AGRICULTURE RESEARCH SERV PI WASHINGTON PA US DEPT AGRICULTURE, WASHINGTON, DC 20250 SN 0002-161X J9 AGR RES PD JAN PY 1992 VL 40 IS 1 BP 27 EP 27 PG 1 WC Agronomy SC Agriculture GA HB596 UT WOS:A1992HB59600014 ER PT J AU BOYD, R KONYAR, K URI, ND AF BOYD, R KONYAR, K URI, ND TI MEASURING AGGREGATE IMPACTS - THE CASE OF THE CONSERVATION RESERVE PROGRAM SO AGRICULTURAL SYSTEMS LA English DT Article ID COMPLEMENTARITY AB This paper uses an aggregate modelling approach to assess the impacts of the Conservation Reserve Program (CRP) on the United States economy in general, and the agricultural sectors, in particular. The approach consists of a general equilibrium model composed of 12 producing sectors. 13 consuming sectors, six household categories classified by income and a government. The effects of removing 33.9 million acres and 45 million acres of cropland from agricultural production on prices and quantities are examined. The results are revealing. For example, keeping the CRP at 33.9 million acres will result in lower output by the producing sectors (by about $191 million), a decrease in the consumption of goods and services (by about $99 million), and a reduction in welfare (by about $95 million). The government would realize an increase in expenditures of about $77 million. The agricultural sectors would be affected. For example, if the CRP is limited to 33.9 million acres, output in the program crops sector will rise (by $57.1 million). output in the livestock sector will decline (by $22 million), output in the all other agriculture commodities sector will be reduced (by $173 million), and output in the forestry sector will fall (by $2 million). Finally, when subjected to a sensitivity analysis, the results are reasonably robust with regard to the assumption of the values of the substitution elasticities. That is, while the model's equilibrium values do vary in response to different assumptions of the values of these elasticities, the fluctuations are not so enormous to suggest that the model is unrealistically sensitive to these parameters. C1 CALIF STATE UNIV SAN BERNARDINO,DEPT ECON,SAN BERNARDINO,CA 92407. USDA,ECON RES SERV,WASHINGTON,DC 20005. RP BOYD, R (reprint author), OHIO UNIV,DEPT ECON,ATHENS,OH 45701, USA. NR 36 TC 4 Z9 4 U1 1 U2 1 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0308-521X J9 AGR SYST JI Agric. Syst. PY 1992 VL 38 IS 1 BP 35 EP 60 DI 10.1016/0308-521X(92)90086-4 PG 26 WC Agriculture, Multidisciplinary SC Agriculture GA HC658 UT WOS:A1992HC65800003 ER PT J AU STOCKLE, CO WILLIAMS, JR ROSENBERG, NJ JONES, CA AF STOCKLE, CO WILLIAMS, JR ROSENBERG, NJ JONES, CA TI A METHOD FOR ESTIMATING THE DIRECT AND CLIMATIC EFFECTS OF RISING ATMOSPHERIC CARBON-DIOXIDE ON GROWTH AND YIELD OF CROPS .1. MODIFICATION OF THE EPIC MODEL FOR CLIMATE CHANGE ANALYSIS SO AGRICULTURAL SYSTEMS LA English DT Article ID USE EFFICIENCY; SOIL; SENSITIVITY; HUMIDITY; STOMATA AB The potential impact of the global rise in atmospheric CO2 concentration and associated climatic change on agricultural productivity needs assessment. The complexity of climate-crop production interactions makes computer simulation a natural approach for such assessment. EPIC, a comprehensive mathematical cropping system model, was modified to account for the effects of change in CO2 concentration and vapor pressure deficit on the radiation-use efficiency, leaf resistance and transpiration of crops. Details of these modifications are presented in this paper. A companion paper describes an application of the modified model (this issue). C1 USDA ARS,GRASSLAND SOIL & WATER RES LAB,TEMPLE,TX 76502. RESOURCES FUTURE INC,CLIMAT RESOURCES PROGRAM,WASHINGTON,DC 20036. TEXAS AGR EXPTL STN,BLACKLAND RES CTR,TEMPLE,TX 76502. RP STOCKLE, CO (reprint author), WASHINGTON STATE UNIV,DEPT AGR ENGN,PULLMAN,WA 99164, USA. NR 38 TC 130 Z9 135 U1 2 U2 32 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0308-521X J9 AGR SYST JI Agric. Syst. PY 1992 VL 38 IS 3 BP 225 EP 238 DI 10.1016/0308-521X(92)90067-X PG 14 WC Agriculture, Multidisciplinary SC Agriculture GA HM073 UT WOS:A1992HM07300001 ER PT J AU STOCKLE, CO DYKE, PT WILLIAMS, JR JONES, CA ROSENBERG, NJ AF STOCKLE, CO DYKE, PT WILLIAMS, JR JONES, CA ROSENBERG, NJ TI A METHOD FOR ESTIMATING THE DIRECT AND CLIMATIC EFFECTS OF RISING ATMOSPHERIC CARBON-DIOXIDE ON GROWTH AND YIELD OF CROPS .2. SENSITIVITY ANALYSIS AT 3 SITES IN THE MIDWESTERN USA SO AGRICULTURAL SYSTEMS LA English DT Article ID CO2; PRODUCTIVITY; AGRICULTURE; PLANTS; C-3 AB That atmospheric CO2 concentration is increasing is well established, and it is generally well accepted that this increase will have beneficial effects on plant productivity. What remains most uncertain is the nature and magnitude of the climatic changes that will occur as a result of the increase of carbon dioxide and other radiatively active trace gases. Thus, it is difficult to predict the combined impact of increasing atmospheric carbon dioxide on agricultural productivity. A comprehensive cropping system simulation model, EPIC, was used in a sensitivity analysis of crop growth response to the combined effects of CO2 concentration increase and CO2-induced climate change. Maize, soybean and wheat cropping systems in the midwestern USA were studied. C1 TEXAS AGR EXPTL STN,BLACKLAND RES CTR,TEMPLE,TX 76502. USDA ARS,GRASSLAND SOIL & WATER RES LAB,TEMPLE,TX 76502. RESOURCES FUTURE INC,CLIMAT RESOURCES PROGRAM,WASHINGTON,DC 20036. RP STOCKLE, CO (reprint author), WASHINGTON STATE UNIV,DEPT AGR ENGN,PULLMAN,WA 99164, USA. NR 30 TC 59 Z9 65 U1 2 U2 4 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0308-521X J9 AGR SYST JI Agric. Syst. PY 1992 VL 38 IS 3 BP 239 EP 256 DI 10.1016/0308-521X(92)90068-Y PG 18 WC Agriculture, Multidisciplinary SC Agriculture GA HM073 UT WOS:A1992HM07300002 ER PT J AU DINAR, A YARON, D BARUCHIN, A AF DINAR, A YARON, D BARUCHIN, A TI ALTERNATIVE CROPPING SYSTEMS AND INTENSIVE IRRIGATION UNDER ARID ZONE CONDITIONS SO AGRICULTURAL SYSTEMS LA English DT Article AB Water and land are two inputs that affect agricultural productivity due to their relative scarcity. Intensified agricultural practices utilizing water and land, as well as other inputs, have been suggested by agronomists and other agricultural researchers as one possible means to increase agricultural production. Intensified agricultural practices tend to be capital intensive, and should be evaluated carefully for their feasibility. A general framework for analysis was suggested and applied to a case study under arid conditions in the Israeli Negro region. Results suggest that certain combinations of crop mix and irrigation technologies provide better opportunities than traditional cropping and irrigation practices. Intensification of the production system by including double cropping of field crops and incorporation of high-income crops can reduce the burden of the additional irrigational capital cost. C1 HEBREW UNIV JERUSALEM,IL-76100 REHOVOT,ISRAEL. JEWISH AGCY,DEPT DEV,BEER SHEVA,ISRAEL. USDA,ECON RES SERV,DAVIS,CA. RP DINAR, A (reprint author), UNIV CALIF DAVIS,DEPT AGR ECON,DAVIS,CA 95616, USA. NR 17 TC 0 Z9 0 U1 1 U2 2 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0308-521X J9 AGR SYST JI Agric. Syst. PY 1992 VL 38 IS 3 BP 301 EP 318 DI 10.1016/0308-521X(92)90071-U PG 18 WC Agriculture, Multidisciplinary SC Agriculture GA HM073 UT WOS:A1992HM07300005 ER PT J AU REINERT, R SANCHEZ, B SALLERAS, JM BERMEJO, V OCHOA, MJ TARRUEL, A AF REINERT, R SANCHEZ, B SALLERAS, JM BERMEJO, V OCHOA, MJ TARRUEL, A TI OZONE EFFECTS ON WATERMELON PLANTS AT THE EBRO DELTA (SPAIN) - SYMPTOMATOLOGY SO AGRICULTURE ECOSYSTEMS & ENVIRONMENT LA English DT Article ID TOP FIELD CHAMBERS AB Symptoms thought to be of ozone (O3) injury were first observed at the Migjorn farm on the Ebro Delta in 1976. Since then, O3 symptoms have been observed every growing season, including 1990. In 1987 the first account of the suspected symptoms was published by Salleras. In order to confirm the cause of the symptoms and to determine the effects on crops, an experimental field with open-top chambers was established on the farm in 1988. There were three treatments: ambient air (AA), charcoal-filtered air (CF) and non-filtered plots (NF), with five replicates each. Visible injury was followed during the growing season and the symptoms were much less developed in the CF treatment than in AA or NF treatments. It was concluded from these observations, and data on ozone concentrations, that the Spanish Mediterranean coast has a significant air pollution problem. C1 CIEMAT 1,PRYMA,E-28040 MADRID,SPAIN. MIGJORN SA,E-08008 BARCELONA,SPAIN. INST SALUD CARLOS III,E-28220 MAJADAHONDA,SPAIN. RP REINERT, R (reprint author), N CAROLINA STATE UNIV,USDA,1509 VARSITY DR,RALEIGH,NC 27606, USA. NR 9 TC 23 Z9 24 U1 0 U2 2 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-8809 J9 AGR ECOSYST ENVIRON JI Agric. Ecosyst. Environ. PD JAN PY 1992 VL 38 IS 1-2 BP 41 EP 49 DI 10.1016/0167-8809(92)90165-8 PG 9 WC Agriculture, Multidisciplinary; Ecology; Environmental Sciences SC Agriculture; Environmental Sciences & Ecology GA HB959 UT WOS:A1992HB95900006 ER PT J AU LEE, EH KRAMER, GF ROWLAND, RA AGRAWAL, M AF LEE, EH KRAMER, GF ROWLAND, RA AGRAWAL, M TI ANTIOXIDANTS AND GROWTH-REGULATORS COUNTER THE EFFECTS OF O3 AND SO2 IN CROP PLANTS SO AGRICULTURE ECOSYSTEMS & ENVIRONMENT LA English DT Article ID SUPEROXIDE-DISMUTASE; OZONE INJURY; TOLERANCE AB Antioxidant compounds such as ethylenediurea (EDU); N-[2-(2-oxo-1-imidazolidinyl) ethyl]-N'-phenylurea have been found to be effective in suppressing O3-induced leaf injury. Gibberelic acid (GA) inhibitors such as paclobutrazol, tetcyclaics and flurprimidol suppress visible SO2-induced injury. Antioxidant compounds are relatively ineffective in protecting plants from SO2-induced injury, while GA inhibitors are ineffective in protecting plants from O3 injury. EDU and GA inhibitors do not alter the stomatal behavior, however they can induce resistance to air pollutants stress. Furthermore, EDU and paclobutrazol (PP333) do not alter foliar membrane lipid composition. EDU does not alter polyamine composition. This suggests that the mechanism of plant tolerance to air pollutant exposure is probably biochemical rather than biophysical. Free radical scavenging enzymes or endogenous antioxidant compounds are more important than stomatal restriction of pollutant diffusion to the sensitive leaf mesophyll sites. C1 BANARAS HINDU UNIV,DEPT BOT,VARANASI 221005,UTTAR PRADESH,INDIA. RP LEE, EH (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,CLIMATE STRESS LAB,BELTSVILLE,MD 20705, USA. NR 15 TC 15 Z9 16 U1 1 U2 3 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-8809 J9 AGR ECOSYST ENVIRON JI Agric. Ecosyst. Environ. PD JAN PY 1992 VL 38 IS 1-2 BP 99 EP 106 DI 10.1016/0167-8809(92)90171-7 PG 8 WC Agriculture, Multidisciplinary; Ecology; Environmental Sciences SC Agriculture; Environmental Sciences & Ecology GA HB959 UT WOS:A1992HB95900012 ER PT J AU MULCHI, CL SLAUGHTER, L SALEEM, M LEE, EH PAUSCH, R ROWLAND, R AF MULCHI, CL SLAUGHTER, L SALEEM, M LEE, EH PAUSCH, R ROWLAND, R TI GROWTH AND PHYSIOLOGICAL-CHARACTERISTICS OF SOYBEAN IN OPEN-TOP CHAMBERS IN RESPONSE TO OZONE AND INCREASED ATMOSPHERIC CO2 SO AGRICULTURE ECOSYSTEMS & ENVIRONMENT LA English DT Article ID CARBON-DIOXIDE; YIELD; VEGETATION; CLIMATE AB Open-top chamber studies were conducted during 1989 at USDA-BARC to determine interactive effects of increased atomospheric CO2 and O3 air pollution on physiological and growth responses in soybeans. The plants were grown full-season in chambers supplied with charcoal-filtered air (CF), non-filtered (NF) air or NF + 40 nl l-1 O3 having CO2 concentrations of ambient, + 50 or + 150-mu-l l-1 CO2. The resultant seasonal 7 h O3 concentrations for the three air quality regimes were 23.0 nl l-1, 40.3 nl l-1 and 66.4 nl l-1 O3, respectively. Photosynthesis rates (PS) and stomata conductance (SC) values were measured on fully expanded leaves on 11 dates throughout the growing season and vegetative samples were collected for carbohydrate analyses and for plant biomass determinations. Seed weights, grain yields and quality measurements were made following harvest at physiological maturity. Photosynthesis rates were stimulated by the + 50 and + 150-mu-l l-1 CO2 treatments and reduced by the NF + 40 nl l-1 O3 treatment. Reductions in PS rates observed for the NF + O3 treatment during preflowering were counteracted by the + 150-mu-l l-1 CO2 treatment. Wide variation in stomata conductance was observed throughout the study; however, the combined effects of CO2 and O3 on stomata conductance appeared additive. Leaf glucose and fructose concentrations were lower for the high O3 exposures but were unchanged by CO2 concentrations. Sucrose and starch concentrations were significantly increased by + 150-mu-l l-1 CO2. Sucrose was unaffected by O3 treatments, but starch was significantly increased by the NF + O3 treatment at ambient and + 50-mu-l l-1 CO2 thus suggesting that O3 injury reduced the flux of carbohydrates from leaves, especially at low CO2 levels. Leaf N concentrations were significantly reduced by the NF + O3 treatment. Significant changes in plant biomass, leaf area, specific leaf weight, pods and seeds per plant, and grain yields were observed among treatments. Maximum increases in plant growth and productivity were observed in response to CO2 increases in the absence of O3 air pollution. Changes observed in plant biomass, pods and seeds per plant and grain yields were consistent with the results for the PS and leaf carbohydrate data which suggest that the + 150-mu-l l-1 CO2 treatment had a protective role against adverse effects of O3 exposure. Grain oil contents were increased and protein contents significantly reduced in response to CO2; however, both quality features were unaffected by the O3 treatments. C1 USDA ARS,BELTSVILLE AGR RES CTR,CLIMATE STRESS LAB,BELTSVILLE,MD 20705. RP MULCHI, CL (reprint author), UNIV MARYLAND,DEPT AGRON,COLLEGE PK,MD 20742, USA. NR 23 TC 78 Z9 89 U1 3 U2 10 PU ELSEVIER SCIENCE BV PI AMSTERDAM PA PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS SN 0167-8809 J9 AGR ECOSYST ENVIRON JI Agric. Ecosyst. Environ. PD JAN PY 1992 VL 38 IS 1-2 BP 107 EP 118 DI 10.1016/0167-8809(92)90172-8 PG 12 WC Agriculture, Multidisciplinary; Ecology; Environmental Sciences SC Agriculture; Environmental Sciences & Ecology GA HB959 UT WOS:A1992HB95900013 ER PT J AU COFFMAN, CB FRANK, JR AF COFFMAN, CB FRANK, JR TI CORN-WEED INTERACTIONS WITH LONG-TERM CONSERVATION TILLAGE MANAGEMENT SO AGRONOMY JOURNAL LA English DT Article ID CROP-ROTATION; HERBICIDE AB The use of monoculture production systems such as continuous corn (Zea mays L.) in conservation-tillage systems has created a requirement for information concerning crop and weed responses to annual herbicide inputs. The objective of this 5-yr investigation (1981-1985) was to evaluate weed problems and delineate weed and crop interactions in continuous conservation-tillage corn as affected by annual herbicide applications. Preemergence treatments contained selected combinations of triazines or a triazine plus alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide]. Preemergence or pre-plant incorporated herbicide mixtures were applied at common usage rates and compared for their effects on weed cover, weed species stability, and grain production. All plots were essentially weed-free the first year. Weed cover in most treatments increased significantly by the second year with fall panicum (Panicum dichotomiflorum Michx.) dominating the flora in Years 2 and 3, and smooth pigweed Amaranthus hybridus L.) dominating in Years 4 and 5. Smooth pigweed reached densities of 85% in several treatments. Fall panicum was the dominant weed in pre-plant incorporated treatments that contained atrazine (6-chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine] plus a carbamothioate herbicide. Grain yields were negatively correlated with fall panicum densities in the second year in all herbicide treatments. Smooth pigweed densities were negatively correlated with grain yields in the fifth year in all preemergence treatments. Smooth pigweed densities were lower in triazine plus alachlor treatments than in double triazine treatments for the last 2 yr of the study. C1 USDA ARS,FOREIGN DIS WEED SCI RES LAB,FT DETRICK,MD 21702. RP COFFMAN, CB (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,WEED SCI LAB,BELTSVILLE,MD 20705, USA. NR 12 TC 2 Z9 2 U1 1 U2 3 PU AMER SOC AGRONOMY PI MADISON PA 677 S SEGOE RD, MADISON, WI 53711 SN 0002-1962 J9 AGRON J JI Agron. J. PD JAN-FEB PY 1992 VL 84 IS 1 BP 17 EP 21 PG 5 WC Agronomy SC Agriculture GA HB964 UT WOS:A1992HB96400004 ER PT J AU REDDY, KR HODGES, HF REDDY, VR AF REDDY, KR HODGES, HF REDDY, VR TI TEMPERATURE EFFECTS ON COTTON FRUIT RETENTION SO AGRONOMY JOURNAL LA English DT Article ID GROWTH; ABSCISSION AB Temperature is a major environmental factor that affects cotton (Gossypium hirsutum L.) production. Temperatures of 35 to 40-degrees-C are frequently observed in cotton-producing areas. High-temperature environments are sometimes associated with cotton sterility and boll retention problems; however, there is little specific information available on cotton sensitivity to temperature. We conducted a series of experiments in naturally lit growth chambers where the temperature was accurately controlled so we could measure its effects on cotton fruiting site production, abscission of flower buds (squares), flowers, and bolls. Cotton plants grown from seedlings at 40-degrees-C for 12 h d-1 shed all their squares. Plants grown from seedlings in the natural environment, then exposed to daytime temperatures of 30, 35, or 40-degrees-C during the fruiting period accumulated 47, 5.7, and < 1%, respectively, of their mass as bolls. The time of day when plants were exposed to high temperature did not influence percent boll retention. Number of bolls produced, bolls retained, and percent retention were progressively reduced as time per day at 40-degrees-C was increased. Three week exposure to 40-degrees-C for 2 or 12 h d-1 resulted in 64 or 0% bolls, respectively, retained on the plants. Cultivars appeared to be similar in sensitivity to high temperature. Cultivars tolerant to short periods of high temperature would probably be more productive in today's environment and increased tolerance to high temperature will be even more essential in a warmer environment. C1 MISSISSIPPI STATE UNIV,DEPT AGRON,MISSISSIPPI STATE,MS 39762. USDA ARS,BELTSVILLE AGR RES CTR,NRI,SYST RES LAB,BELTSVILLE,MD 20705. MISSISSIPPI STATE UNIV,USDA ARS,CROP SCI RES LAB,CROP SIMULAT RES UNIT,MISSISSIPPI STATE,MS 39762. NR 21 TC 65 Z9 71 U1 1 U2 9 PU AMER SOC AGRONOMY PI MADISON PA 677 S SEGOE RD, MADISON, WI 53711 SN 0002-1962 J9 AGRON J JI Agron. J. PD JAN-FEB PY 1992 VL 84 IS 1 BP 26 EP 30 PG 5 WC Agronomy SC Agriculture GA HB964 UT WOS:A1992HB96400006 ER PT J AU TORBERT, HA MULVANEY, RL VANDENHEUVEL, RM HOEFT, RG AF TORBERT, HA MULVANEY, RL VANDENHEUVEL, RM HOEFT, RG TI SOIL TYPE AND MOISTURE REGIME EFFECTS ON FERTILIZER EFFICIENCY CALCULATION METHODS IN A N-15 TRACER STUDY SO AGRONOMY JOURNAL LA English DT Article ID CORN; YIELD; MANAGEMENT; ROTATION; WHEAT; N-15 AB Research was conducted to determine the extent to which the method of calculation affects estimates of fertilizer N efficiency using N-15 as a tracer. Corn (Zea mays L.) was grown at three locations in Illinois that varied widely in soil type. Three early-season moisture regimes (ambient, ambient + 100 mm of excess water, and ambient + 150 mm of excess water) were established to obtain different fertilizer N efficiencies on each soil. Application of N-15-enriched KNO3 (168 kg N ha-1) was made to a Drummer silty clay loam (fine-silty, mixed, mesic Typic Haplaquoll) at DeKalb, a Cisne silt loam (fine, montmorillonitic, mesic Mollic Albaqualf) at Brownstown, and a Plainfield sand (mixed, mesic Typic Udipsamment) at Havana, IL. Fertilizer N efficiency was calculated from the difference between N uptake by fertilized versus unfertilized plants, from the amount of N-15 recovered in the plant, and from the recovery of N-15 in both the plant and soil. For the Drummer and Cisne soils, the three calculation procedures gave different percent fertilizer N efficiencies when averaged across moisture treatments, and different trends among moisture treatments. For the Plainfield soil, percent fertilizer N efficiency values were lower than those obtained for the Drummer or Cisne soil, and the method of calculation had very little effect. The results indicate that, for most soils, N fertilizer efficiency ratings vary with the method by which they are calculated. The present study demonstrates a need for standard terminology to help identify parameters used to define fertilizer efficiency. C1 UNIV ILLINOIS,DEPT AGRON,URBANA,IL 61801. RP TORBERT, HA (reprint author), USDA ARS,NATL SOIL DYNAM LAB,BOX 792,AUBURN,AL 36831, USA. NR 27 TC 20 Z9 21 U1 1 U2 5 PU AMER SOC AGRONOMY PI MADISON PA 677 S SEGOE RD, MADISON, WI 53711 SN 0002-1962 J9 AGRON J JI Agron. J. PD JAN-FEB PY 1992 VL 84 IS 1 BP 66 EP 70 PG 5 WC Agronomy SC Agriculture GA HB964 UT WOS:A1992HB96400014 ER PT J AU BROWN, RW OOSTERHUIS, DM AF BROWN, RW OOSTERHUIS, DM TI MEASURING PLANT AND SOIL-WATER POTENTIALS WITH THERMOCOUPLE PSYCHROMETERS - SOME CONCERNS SO AGRONOMY JOURNAL LA English DT Article ID INSITU HYGROMETER MEASUREMENTS; FIELD USE; CUTICULAR ABRASION; CALIBRATION; COMPONENTS AB Thermocouple psychrometers are commonly used to measure soil and plant water status. Users often assume that these instruments can be used routinely with little regard for understanding how they operate, or for the precautions required for accurate measurements of water potential. Poor procedures and inadequate attention to both practical and theoretical requirements can jeopardize the successful performance of these highly sensitive instruments. For example, in addition to understanding the theory of operation of thermocouple psychrometers, calibration and proper cleaning of these instruments are among the most important steps in successfully using them. Important sampling precautions include consistency of technique, prevention of evaporative loss during collection and sealing, and careful sample selection. Major concerns during measurements of water potential include achieving complete vapor pressure equilibrium, interpreting data, and detecting and preventing temperature gradients. Although many precautions for in situ measurements are similar to those for measuring soil and plant samples, each use has specific requirements. Thermocouple psychrometers are useful for accurate and reliable measurements of water potential if proper techniques and precautions are used. C1 UNIV ARKANSAS,DEPT AGRON,FAYETTEVILLE,AR 72701. RP BROWN, RW (reprint author), US FOREST SERV,INTERMT RES STN,FORESTRY SCI LAB,860 N 1200 E,LOGAN,UT 84321, USA. NR 41 TC 34 Z9 34 U1 0 U2 9 PU AMER SOC AGRONOMY PI MADISON PA 677 S SEGOE RD, MADISON, WI 53711 SN 0002-1962 J9 AGRON J JI Agron. J. PD JAN-FEB PY 1992 VL 84 IS 1 BP 78 EP 86 PG 9 WC Agronomy SC Agriculture GA HB964 UT WOS:A1992HB96400016 ER PT J AU SKIDMORE, EL NELSON, RG AF SKIDMORE, EL NELSON, RG TI SMALL-GRAIN EQUIVALENT OF MIXED VEGETATION FOR WIND EROSION CONTROL AND PREDICTION SO AGRONOMY JOURNAL LA English DT Article ID PROTECTION AB Control and prediction of wind erosion require knowledge of the effectiveness of surface vegetative cover. The effectiveness is usually referenced to as small-grain equivalent. The procedure used to convert mixed vegetation to small-grain equivalent was found faulty. Improper weighting of regression coefficients caused the conversion procedure to predict that adding crop residue decreased small-grain equivalent. Therefore, the purpose of this analysis was to improve the conversion of mixed vegetation to a small-grain equivalent. The new expression derived for this purpose gave a logical conversion where the previous procedure failed. It did not predict a decreasing small-grain equivalent with increased soybean [Glycine max (L.) Merr.] residue in the 0 to 300 kg/ha range as did the former method. Applied to the same data that were used for testing the previous procedure, the new procedure reduced the error by almost 50%. The new procedure improves the conversion of mixed vegetation to small-grain equivalent. C1 KANSAS AGR EXPT STN,MANHATTAN,KS. KANSAS STATE UNIV AGR & APPL SCI,ENGN EXTENS,MANHATTAN,KS 66506. RP SKIDMORE, EL (reprint author), KANSAS STATE UNIV AGR & APPL SCI,USDA ARS,MANHATTAN,KS 66506, USA. NR 11 TC 2 Z9 2 U1 0 U2 1 PU AMER SOC AGRONOMY PI MADISON PA 677 S SEGOE RD, MADISON, WI 53711 SN 0002-1962 J9 AGRON J JI Agron. J. PD JAN-FEB PY 1992 VL 84 IS 1 BP 98 EP 101 PG 4 WC Agronomy SC Agriculture GA HB964 UT WOS:A1992HB96400019 ER PT J AU REINHARDT, ED WRIGHT, AH JACKSON, DH AF REINHARDT, ED WRIGHT, AH JACKSON, DH TI DEVELOPMENT AND VALIDATION OF A KNOWLEDGE-BASED SYSTEM TO DESIGN FIRE PRESCRIPTIONS SO AI APPLICATIONS LA English DT Article AB In this study, we explored application of expert system methodology to design of fire prescriptions. Prescribed fire is used to manipulate forest ecosystems to accomplish a variety of resource management objectives. To develop prescriptions that successfully achieve these objectives, managers use information from a variety of sources, including results of scientific research and their own experience. We modeled the prescription development process as an expert system that uses rule-based inference and frame-based inheritance to integrate technical and heuristic information and interpret it for application. Site data and the manager's objectives for treating the site with prescribed fire are inputs to the expert system. The system develops and documents a fire prescription that describes ranges of acceptable fire effects, the desired fire treatment, and a range of conditions under which to bum to achieve the desired treatments and effects. The system was validated using data from research bums in a variety of forest types throughout the interior western United States. RP REINHARDT, ED (reprint author), US FOREST SERV,INTERMT RES STN,POB 8089,MISSOULA,MT 59807, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 4 BP 3 EP 14 PG 12 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA KC308 UT WOS:A1992KC30800002 ER PT J AU OLSON, RL WAGNER, TL AF OLSON, RL WAGNER, TL TI WHIMS, A KNOWLEDGE-BASED SYSTEM FOR COTTON PEST-MANAGEMENT SO AI APPLICATIONS LA English DT Article AB The WHIMS application framework is a static, object-oriented model of the cotton ecosystem. Implemented in C++, it was designed to provide a framework for testing and applying ongoing research in agroecosystem modeling and decision making. It provides a set of reusable abstract object classes for building pest-management systems. Applications are built on the application framework by a process of specializing these abstract classes through inheritance, thereby creating concrete subclasses specific to the application. rbWHIMS, the initial product of the project, is a rule-based expert system containing 700 rules and covering nine pest-species groups. The expert system asks the user for field-sampling information, which is then stored in objects representing the corresponding components of the cotton ecosystem. The rule base then queries these objects to acquire the information needed to render decisions. The rule base is segmented along insect species groups and cotton plant growth stages. rbWHIMS was evaluated in the field in 1991. The WHIMS application framework provides the basis for the development, testing, and integration of improvements to the basic rbWHIMS design. Planned improvements include multiple-pest recommendations, uncertain inference, and the integration of simulation components into the WHIMS application framework model. RP OLSON, RL (reprint author), USDA ARS,CROP SIMULAT RES UNIT,POB 5367,MISSISSIPPI STATE,MS 39762, USA. NR 0 TC 7 Z9 7 U1 0 U2 1 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 1 BP 41 EP 58 PG 18 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA HJ080 UT WOS:A1992HJ08000004 ER PT J AU PATTIE, DC AF PATTIE, DC TI USING NEURAL NETWORKS TO FORECAST RECREATION IN WILDERNESS AREAS SO AI APPLICATIONS LA English DT Article RP PATTIE, DC (reprint author), US FOREST SERV,LAND MANAGEMENT PLANNING,SYST APPLICAT & DEV GRP,3825 MULBERRY ST,FT COLLINS,CO 80524, USA. NR 0 TC 1 Z9 1 U1 0 U2 1 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 2 BP 57 EP 59 PG 3 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA JC003 UT WOS:A1992JC00300006 ER PT J AU RAUSCHER, HM ALBAN, DH JOHNSON, DW AF RAUSCHER, HM ALBAN, DH JOHNSON, DW TI MITIGATING CLIMATE CHANGE BY SEQUESTERING CARBON IN SOILS - A HYPERTEXT-BASED SCIENTIFIC ASSESSMENT SO AI APPLICATIONS LA English DT Article RP RAUSCHER, HM (reprint author), US FOREST SERV,1831 HIGHWAY 169,GRAND RAPIDS,MN 55744, USA. NR 0 TC 0 Z9 0 U1 1 U2 1 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 2 BP 62 EP 63 PG 2 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA JC003 UT WOS:A1992JC00300008 ER PT J AU MEYER, CR FLANAGAN, DC AF MEYER, CR FLANAGAN, DC TI APPLICATION OF CASE-BASED REASONING CONCEPTS TO THE WEPP SOIL-EROSION MODEL SO AI APPLICATIONS LA English DT Article AB A cased-based information retrieval system (CBRS) was devised for users of the USDA Water Erosion Prediction Project (WEPP) simulation model. The WEPP-CBRS facilitates exploration of management options by retrieving case studies from a data file. This approach frees the user from entering the many inputs required to run WEPP. The user selects minimum and maximum values for matching a case, and the weight assigned to a match. The CBRS matches the values to those in the data file. Weights from matches are summed to give each case a score. Cases are ranked by score and displayed to the user. Retrieved cases include interpretations suggesting improved management practices. They also can warn of practices to avoid. The user can modify values and rerun the program as many times as desired to explore management strategies. Retrieval time is minimized by storing a small amount of highly useful information in RAM memory. The case data file is an ASCII file, so the user can enrich and customize it with a text editor to reflect individual needs and experience. Unlike rule-based systems, this feature permits the program to learn from the user. Also, using case interpretations as examples, the program can help train new users to interpret WEPP output. RP MEYER, CR (reprint author), PURDUE UNIV,USDA ARS,NATL SOIL EROS RES LAB,W LAFAYETTE,IN 47907, USA. NR 0 TC 5 Z9 5 U1 0 U2 0 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 3 BP 63 EP 71 PG 9 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA JR898 UT WOS:A1992JR89800006 ER PT J AU PATTIE, DC CAMENSON, D GREER, K AF PATTIE, DC CAMENSON, D GREER, K TI OBJECT HIERARCHIES AND FORPLAN SO AI APPLICATIONS LA English DT Software Review RP PATTIE, DC (reprint author), US FOREST SERV,LAND MANAGEMENT PLANNING SYST APPLICAT & DEV GRP,3825 MULBERRY,FT COLLINS,CO 80524, USA. NR 0 TC 1 Z9 1 U1 0 U2 1 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 4 BP 63 EP 65 PG 3 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA KC308 UT WOS:A1992KC30800008 ER PT J AU CASE, P AF CASE, P TI RECONSIDERING THE SEARCH FOR INTELLIGENT MACHINES SO AI APPLICATIONS LA English DT Note RP CASE, P (reprint author), US FOREST SERV,ROCKY MT REG OFF,11177 W 8TH AVE,LAKEWOOD,CO 80225, USA. NR 0 TC 0 Z9 0 U1 0 U2 0 PU AI APPLICATIONS PI MOSCOW PA PO BOX 3066, UNIV STATION, MOSCOW, ID 83843 SN 1051-8266 J9 AI APPLICATIONS JI AI Appl. PY 1992 VL 6 IS 4 BP 75 EP 80 PG 6 WC Agronomy; Computer Science, Artificial Intelligence; Environmental Sciences; Forestry SC Agriculture; Computer Science; Environmental Sciences & Ecology; Forestry GA KC308 UT WOS:A1992KC30800011 ER PT J AU SELHUB, J MILLER, JW AF SELHUB, J MILLER, JW TI THE PATHOGENESIS OF HOMOCYSTEINEMIA - INTERRUPTION OF THE COORDINATE REGULATION BY S-ADENOSYLMETHIONINE OF THE REMETHYLATION AND TRANSSULFURATION OF HOMOCYSTEINE SO AMERICAN JOURNAL OF CLINICAL NUTRITION LA English DT Article DE HOMOCYSTEINE; HOMOCYSTEINEMIA; S-ADENOSYLMETHIONINE; VITAMIN-B12; VITAMIN-B6; FOLATE; CYSTATHIONINE BETA-SYNTHASE; METHYLENETETRAHYDROFOLATE REDUCTASE; VASCULAR DISEASE ID BETA-SYNTHASE DEFICIENCY; PERFORMANCE LIQUID-CHROMATOGRAPHY; OCCLUSIVE ARTERIAL-DISEASE; POSSIBLE RISK FACTOR; PLASMA HOMOCYSTEINE; FOLIC-ACID; METHYLENETETRAHYDROFOLATE REDUCTASE; CYSTATHIONINE SYNTHASE; METHIONINE METABOLISM; METHYLMALONIC ACIDURIA AB A unified, biochemical hypothesis is proposed to explain the pathogenesis of homocysteinemia. This hypothesis is based on the existence of coordinate regulation by S-adenosylmethionine (SAM) of the partitioning of homocysteine between de novo methionine synthesis and catabolism through cystathionine synthesis. This coordination, which serves to modulate the cellular concentration of homocysteine based on the requirements for methionine. is impaired in homocysteinemia. This hypothesis is evaluated in the context of the conditions known to be associated with homocysteinemia, including enzymatic defects and vitamin deficiencies. The novelty of the hypothesis is the assertion that impairment of one homocysteine metabolic pathway must lead to the impairment of the other homocysteine metabolic pathway to cause homocysteinemia. This extends the simplistic view that a block of only one of the pathways is sufficient to cause homocysteinemia. RP SELHUB, J (reprint author), TUFTS UNIV,USDA,HUMAN NUTR RES CTR,VITAMIN BIOAVAILABIL LAB,711 WASHINGTON ST,BOSTON,MA 02111, USA. NR 80 TC 399 Z9 408 U1 1 U2 9 PU AMER SOC CLINICAL NUTRITION PI BETHESDA PA 9650 ROCKVILLE PIKE, SUBSCRIPTIONS, RM L-2310, BETHESDA, MD 20814-3998 SN 0002-9165 J9 AM J CLIN NUTR JI Am. J. Clin. Nutr. PD JAN PY 1992 VL 55 IS 1 BP 131 EP 138 PG 8 WC Nutrition & Dietetics SC Nutrition & Dietetics GA GY414 UT WOS:A1992GY41400021 PM 1728812 ER PT J AU PERKINSVEAZIE, PM COLLINS, JK LLOYD, J STRIEGLER, RK AF PERKINSVEAZIE, PM COLLINS, JK LLOYD, J STRIEGLER, RK TI INFLUENCE OF PACKAGE ON POSTHARVEST QUALITY OF OKLAHOMA AND ARKANSAS TABLE GRAPES SO AMERICAN JOURNAL OF ENOLOGY AND VITICULTURE LA English DT Note DE SEEDLESS GRAPES; PACKAGING; POSTHARVEST QUALITY ID SEEDLESS GRAPE AB The introduction of new cultivars from Vitis labruscana 5 V. vinifera crosses has resulted in an expansion of table grape production in the midwest region. Little is known about the post-harvest storage life of these new varieties and effective packaging has not been achieved. The grape cultivars Venus, Reliance, and Saturn were stored for six weeks at 3-degrees-C in seven types of consumer packages without sulfur dioxide (SO2) fumigation to evaluate post-harvest changes. Venus grapes had the highest weight loss and berry shatter after six weeks of storage while Saturn grapes had the least weight loss and berry shatter. Covered packages with lids best controlled weight loss for all cultivars. Regardless of package, disease reduced the quality of Reliance grapes after six weeks storage. Rachis browning was unacceptable for all grape cultivars held for six weeks in packages other than plastic boxes or boxes with shrink-wrap, Venus and Reliance table grape cultivars should be stored no longer than four weeks without SO2 fumigation while Saturn may be held up to six weeks. Consumer packages for interspecific table grape cultivars should be selected for restriction of air flow and reduced cluster movement. C1 OKLAHOMA STATE UNIV,DEPT FOOD NUTR & INST ADM,WES WATKINS AGR RES & EXTENS CTR,LANE,OK 74555. ATOKA HIGH SCH,ATOKA,OK 74525. OKLAHOMA STATE UNIV,DEPT HORT,WES WATKINS AGR RES & EXTENS CTR,LANE,OK 74555. RP PERKINSVEAZIE, PM (reprint author), USDA ARS,S CENT RES LAB,LANE,OK 74555, USA. NR 12 TC 5 Z9 5 U1 0 U2 2 PU AMER SOC ENOLOGY VITICULTURE PI DAVIS PA PO BOX 1855, DAVIS, CA 95617-1855 SN 0002-9254 J9 AM J ENOL VITICULT JI Am. J. Enol. Vitic. PY 1992 VL 43 IS 1 BP 79 EP 82 PG 4 WC Biotechnology & Applied Microbiology; Food Science & Technology; Horticulture SC Biotechnology & Applied Microbiology; Food Science & Technology; Agriculture GA HK720 UT WOS:A1992HK72000013 ER PT J AU GOLINO, DA AF GOLINO, DA TI THE DAVIS GRAPEVINE VIRUS COLLECTION SO AMERICAN JOURNAL OF ENOLOGY AND VITICULTURE LA English DT Note DE VIRUSES; VIROIDS; PATHOGEN; TYPE VIRUS COLLECTION; LEAFROLL; CORKY BARK; RUPESTRIS STEM PITTING; GRAPEVINE FANLEAF VIRUS; TOMATO RINGSPOT VIRUS; GFLV; LR; RSP; TOMRSV; CB ID VIROIDS AB Technical Briefs are presented under the auspices of the American Society for Enology and Viticulture Technical Projects Committee. The articles are not necessarily original research but technical papers on enology or viticulture containing information that may not be generally known to the industry. Technical Briefs are approved for publication by the editors and are not subject to the normal peer review process. Requests for specific strains of California grapevine viruses, virus and virus-like diseases as well as for specific indicator strains of cultivars are constantly received from various research laboratories over the world for use in research, comparative studies, and teaching. The old Davis virus and virus-like disease collection of own-rooted grapevines established in the 1960s had been degenerating due to phylloxera. A new expanded collection has been established as own-rooted plants and also in graft-inoculated cultivars on rootstocks. Each entry in the new collection has a designated number consisting of descriptive letters and numerals (like GFLV-100). New entries have been and will continue to be accepted. Collections of grapevines are pools of reference and source materials of standard type cultivars of viruses, virus and virus-like diseases. There are three additional collections of grapevines on the UCD campus, each of which serves a different purpose: the Department of Viticulture and Enology collection, the UCD Foundation Plant Materials Services collection of indexed and registered cultivars, and the United States Department of Agriculture - Agricultural Research Services (USDA-ARS) National Clonal Germplasm Repository collection. RP GOLINO, DA (reprint author), UNIV CALIF DAVIS,DEPT PLANT PATHOL,USDA ARS,DAVIS,CA 95616, USA. NR 28 TC 21 Z9 21 U1 0 U2 1 PU AMER SOC ENOLOGY VITICULTURE PI DAVIS PA PO BOX 1855, DAVIS, CA 95617-1855 SN 0002-9254 J9 AM J ENOL VITICULT JI Am. J. Enol. Vitic. PY 1992 VL 43 IS 2 BP 200 EP 205 PG 6 WC Biotechnology & Applied Microbiology; Food Science & Technology; Horticulture SC Biotechnology & Applied Microbiology; Food Science & Technology; Agriculture GA HY437 UT WOS:A1992HY43700012 ER PT J AU ANGEL, KL SCHUMACHER, J WOLFE, DF KLESIUS, PH TYLER, JW CARSON, RL AF ANGEL, KL SCHUMACHER, J WOLFE, DF KLESIUS, PH TYLER, JW CARSON, RL TI EFFECTS OF ESTRADIOL 17-BETA IMPLANTS ON HEMATOLOGIC VALUES AND THE CHEMILUMINESCENCE RESPONSE OF NEUTROPHILS OF STEERS SO AMERICAN JOURNAL OF VETERINARY RESEARCH LA English DT Article ID HUMAN POLYMORPHONUCLEAR LEUKOCYTES; BACTERICIDAL ACTIVITY; OVARIECTOMIZED MARES; CHEMI-LUMINESCENCE; OVARIAN HORMONES; PROGESTERONE; OXYGEN; BLOOD; MECHANISMS; DEFENSE AB The effects of subcutaneous administration of a commercially available estradiol 17-beta implant on hematologic values and the chemiluminescence response of neutrophils were evaluated in 14 steers. Chemiluminescence and hematologic values were measured in treated (n = 8) and nontreated (n = 6) steers on days -14, -7, and -1 prior to implantation. Estradiol 17B was implanted into the treated group of steers on day 0, and blood samples were obtained from all steers on days 1, 2, 3, 4, 8, 15, 22, 29, 36, 43, and 50. The concentration of estrogen in serum was significantly (P = 0.0120) higher following implantation. Chemiluminescence and hematologic indices were not significantly affected by either implant status or serum concentrations of estrogen. The results of this study suggested that the use of implants containing estradiol 17-beta for promotion of weight gain in steers will not result in alterations of hematologic values or the neutrophil respiratory burst. C1 AUBURN UNIV,SCH VET MED,DEPT LARGE ANIM SURG & MED,AUBURN,AL 36849. AUBURN UNIV,USDA ARS,ANIM PARASITE RES LAB,AUBURN,AL 36849. NR 45 TC 5 Z9 5 U1 0 U2 1 PU AMER VETERINARY MEDICAL ASSOC PI SCHAUMBURG PA 1931 N MEACHAM RD SUITE 100, SCHAUMBURG, IL 60173-4360 SN 0002-9645 J9 AM J VET RES JI Am. J. Vet. Res. PD JAN PY 1992 VL 53 IS 1 BP 78 EP 82 PG 5 WC Veterinary Sciences SC Veterinary Sciences GA GX766 UT WOS:A1992GX76600015 PM 1539919 ER PT J AU JENSEN, R SPRAKER, TR GLOCK, RD JONES, RL COLLINS, JK FLACK, DE KERSCHEN, R HOFF, RL AF JENSEN, R SPRAKER, TR GLOCK, RD JONES, RL COLLINS, JK FLACK, DE KERSCHEN, R HOFF, RL TI ABOMASAL EROSIONS IN FEEDLOT CATTLE SO AMERICAN JOURNAL OF VETERINARY RESEARCH LA English DT Article ID VIRUS AB The abomasa of 1,949 slaughtered feedlot cattle, 45 necropsied feedlot cattle that died 2 to 45 days after arrival, and 45 necropsied pastured cattle were opened and examined. Of these organs, 484, 1, and none, respectively, contained erosions. The slaughtered cattle were fattened at 3 locations: 1,305 with 430 eroded abomasa were fed a ration of corn in northeastern Colorado; 144 cattle with 4 affected abomasa fed a ration of milo in south-central Arizona; and 500 cattle with 50 affected abomasa fed a ration of milo and corn in northwestern Texas. The red-brown lesions developed late during the second semester of fattening and were located mostly on fundic folds. Those on fold edges were linear and were 2 to 15 cm long, whereas those on fold sides were punctate and were 2 to 15 mm in diameter. Normal fold edges contained fewer goblet cells and less surface mucus than did fold sides. Eroded folds had disruption of surface epithelium, damage to endothelial cells, and dilated, thrombosed, congested, and ruptured capillaries. Mean pH values of 16 normal and 17 eroded abomasa were 4.7 and 3.9, respectively. Necrosis of all tissue toward the mucosal surface of erosions was extensive. The cause of gastric erosion in cattle is not known. C1 COLORADO STATE UNIV,COLL VET MED & BIOMED SCI,FT COLLINS,CO 80523. UNIV WYOMING,DEPT VET SCI,LARAMIE,WY 82070. MONFORT COLORADO,GREELEY,CO 80632. USDA,FOOD SAFETY & INSPECT SERV,WASHINGTON,DC 20250. NR 19 TC 5 Z9 5 U1 1 U2 4 PU AMER VETERINARY MEDICAL ASSOC PI SCHAUMBURG PA 1931 N MEACHAM RD SUITE 100, SCHAUMBURG, IL 60173-4360 SN 0002-9645 J9 AM J VET RES JI Am. J. Vet. Res. PD JAN PY 1992 VL 53 IS 1 BP 110 EP 115 PG 6 WC Veterinary Sciences SC Veterinary Sciences GA GX766 UT WOS:A1992GX76600021 PM 1539902 ER PT J AU POTCHOIBA, MJ CARLSON, JR NOCERINI, MR BREEZE, RG AF POTCHOIBA, MJ CARLSON, JR NOCERINI, MR BREEZE, RG TI EFFECT OF MONENSIN AND SUPPLEMENTAL HAY ON RUMINAL 3-METHYLINDOLE FORMATION IN ADULT COWS AFTER ABRUPT CHANGE TO LUSH PASTURE SO AMERICAN JOURNAL OF VETERINARY RESEARCH LA English DT Article ID BOVINE PULMONARY-EDEMA; GLUTATHIONE ADDUCT; FOG FEVER; EMPHYSEMA; CATTLE; TRYPTOPHAN; PREVENTION; RUMEN AB The effect of feeding monensin, with or without dry hay plus wilted forage, on ruminal formation of 3-methylindole (3MI) was investigated in pastured cattle. Eighty-two cows were allotted to 3 groups. Cows of group-1 served as controls and were given a daily energy supplement (1 kg/head) without monensin for 1 day before and for 7 days after being allowed access to lush pasture. Cows of groups 2 and 3 were given the same daily energy supplement, which also contained monensin (200 mg/kg of supplement). Cows of group 3 also were fed dry hay for 5 days before the start of the study and continued to be given supplemental hay for 4 days after being allowed access to lush pasture containing a layer of wilted forage. Ruminal 3MI and indole concentrations increased on day 1 after all groups were allowed access to lush pasture. By day 7, 3MI concentration in all cows had decreased to pregrazing concentration. Indole concentration did not reach pregrazing concentration until day 10 for cows of groups 1 and 2. Group-3 cows had pregrazing indole concentration on day 7. Ruminal indole concentration did not differ (P > 0.05) between groups 1 and 2. Ruminal indole concentration was lower (P < 0.01) in group-3 cows on all sample collection days, except day 10, compared with that in the other groups. Monensin reduced (P < 0.01) 3MI formation on days 1 and 7 in group-2 cows, compared with group-1 cows. Group-3 cows had lower 3MI concentration than did group-1 cows (P < 0.01) on days -1, 1, 4, and 7. Monensin, when fed with dry hay and wilted forage, reduced (P < 0.01) 3MI formation on days 4 and 7 in group-3 cows, compared with cows that were only given monensin (group 2). Group-3 cows also had lower (P < 0.05) 3MI concentration, compared with group-2 cows on day 1. Results indicated that monensin reduced ruminal formation of 3MI. Feeding dry hay and wilted forage to cattle during the change to lush pasture resulted in further reduction in the amount of 3MI formed by ruminal microorganisms. To maximize the effectiveness of monensin in reducing 3MI formation, dry hay plus wilted forage should be fed to pastured cattle for at least 4 days after they are allowed access to lush pasture. C1 WASHINGTON STATE UNIV,DEPT ANIM SCI,PULLMAN,WA 99164. PFIZER INC,CENT RES,GROTON,CT 06340. USDA ARS,PLUM ISL ANIM DIS CTR,GREENPORT,NY 11944. FU NHLBI NIH HHS [HL-13645] NR 23 TC 6 Z9 6 U1 0 U2 3 PU AMER VETERINARY MEDICAL ASSOC PI SCHAUMBURG PA 1931 N MEACHAM RD SUITE 100, SCHAUMBURG, IL 60173-4360 SN 0002-9645 J9 AM J VET RES JI Am. J. Vet. Res. PD JAN PY 1992 VL 53 IS 1 BP 129 EP 133 PG 5 WC Veterinary Sciences SC Veterinary Sciences GA GX766 UT WOS:A1992GX76600024 PM 1539904 ER PT J AU TAULMAN, JF THILL, RE WIGLEY, TB MELCHIORS, MA AF TAULMAN, JF THILL, RE WIGLEY, TB MELCHIORS, MA TI A COMPARISON OF BOTTLES AND SNAP TRAPS FOR SHORT-TERM SMALL MAMMAL SAMPLING SO AMERICAN MIDLAND NATURALIST LA English DT Note AB Bottles were tested as traps for small mammals. Used in conjunction with three types of snap traps over 30,240 trap nights, bottles captured eight (2%) of the total 421 mammals taken. Bottles were inefficient in capturing small mammals compared to snap traps. C1 US FOREST SERV,WILDLIFE HABITAT & SILVICULTURE LAB,NACOGDOCHES,TX 75962. WEYERHAEUSER CO,SO FORESTRY RES CTR,HOT SPRINGS,AR 71901. CLEMSON UNIV,NCASI DEPT AQUACULTURE FISHERIES & WILDLIFE,CLEMSON,SC 29634. NR 4 TC 2 Z9 2 U1 0 U2 0 PU AMER MIDLAND NATURALIST PI NOTRE DAME PA UNIV NOTRE DAME, BOX 369, ROOM 295 GLSC, NOTRE DAME, IN 46556 SN 0003-0031 J9 AM MIDL NAT JI Am. Midl. Nat. PD JAN PY 1992 VL 127 IS 1 BP 208 EP 210 DI 10.2307/2426338 PG 3 WC Biodiversity Conservation; Ecology SC Biodiversity & Conservation; Environmental Sciences & Ecology GA GZ653 UT WOS:A1992GZ65300023 ER PT B AU MOATS, WA AF MOATS, WA BE AGARWAL, VK TI LIQUID-CHROMATOGRAPHIC APPROACHES TO DETERMINATION OF B-LACTAM ANTIBIOTIC RESIDUES IN MILK AND TISSUES SO ANALYSIS OF ANTIBIOTIC / DRUG RESIDUES IN FOOD PRODUCTS OF ANIMAL ORIGIN LA English DT Proceedings Paper CT SYMP ON ANTIBIOTIC/DRUG RESIDUES IN FOOD PRODUCTS OF ANIMAL ORIGIN CY AUG 25-30, 1991 CL NEW YORK, NY SP AMER CHEM SOC, DIV AGR & FOOD CHEM, HEWLETT PACKARD, PERKIN ELMER, MILLIPORE, KRAFT GEN FOODS RP MOATS, WA (reprint author), USDA ARS,BELTSVILLE AGR RES CTR,MEAT SCI RES LAB,BELTSVILLE,MD 20705, USA. NR 0 TC 6 Z9 6 U1 0 U2 1 PU PLENUM PRESS DIV PLENUM PUBLISHING CORP PI NEW YORK PA NEW YORK BN 0-306-44199-3 PY 1992 BP 133 EP 145 PG 13 WC Agriculture, Dairy & Animal Science; Chemistry, Analytical; Food Science & Technology; Immunology; Pharmacology & Pharmacy SC Agriculture; Chemistry; Food Science & Technology; Immunology; Pharmacology & Pharmacy GA BV94Q UT WOS:A1992BV94Q00011 ER PT J AU WOLF, WR LACROIX, DE SLAGT, ME AF WOLF, WR LACROIX, DE SLAGT, ME TI ION-EXCHANGE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHIC DETERMINATION OF SELENOMETHIONINE BY REACTION WITH CYANOGEN-BROMIDE SO ANALYTICAL LETTERS LA English DT Article DE SELENOMETHIONINE; CYANOGEN BROMIDE; METHIONINE; ION-EXCHANGE HPLC ID METHIONINE AB A sensitive and simple ion-exchange HPLC procedure is described for the separation and analyses of selenomethionine from coeluting naturally occurring amino acids. Cyanogen bromide selectively reacts with selenomethionine in the absence of stannous chloride to form an unknown reaction product, formation of which is quantitative. A calibration curve is obtained over a linear dynamic range of 30 nmoles to 500 nmoles of selenomethionine. C1 AGR UNIV WAGENINGEN,DEPT HUMAN NUTR,6700 HB WAGENINGEN,NETHERLANDS. RP WOLF, WR (reprint author), USDA,BELTSVILLE HUMAN NUTR RES CTR,NUTRIENT COMPOSIT LAB,BELTSVILLE,MD 20705, USA. NR 9 TC 13 Z9 13 U1 0 U2 0 PU MARCEL DEKKER INC PI NEW YORK PA 270 MADISON AVE, NEW YORK, NY 10016 SN 0003-2719 J9 ANAL LETT JI Anal. Lett. PY 1992 VL 25 IS 11 BP 2165 EP 2174 PG 10 WC Chemistry, Analytical SC Chemistry GA JW641 UT WOS:A1992JW64100014 ER PT J AU STONE, RT MUGGLICOCKETT, NE AF STONE, RT MUGGLICOCKETT, NE TI NUCLEOTIDE-SEQUENCE OF THE 2ND EXON OF A BOLA-DQB GENE SO ANIMAL GENETICS LA English DT Note DE BOVINE LYMPHOCYTE ANTIGENS; CLASS-II ID CLASS-II DQB RP STONE, RT (reprint author), USDA ARS,US MEAT ANIM RES CTR,POB 166,CLAY CTR,NE 68933, USA. NR 3 TC 8 Z9 8 U1 0 U2 0 PU BLACKWELL SCIENCE LTD PI OXFORD PA OSNEY MEAD, OXFORD, OXON, ENGLAND OX2 0EL SN 0268-9146 J9 ANIM GENET JI Anim. Genet. PY 1992 VL 23 IS 3 BP 273 EP 274 PG 2 WC Agriculture, Dairy & Animal Science; Genetics & Heredity SC Agriculture; Genetics & Heredity GA HY528 UT WOS:A1992HY52800011 PM 1503262 ER PT J AU CASSE, EA HUNTINGTON, GB RULQUIN, H AF CASSE, EA HUNTINGTON, GB RULQUIN, H TI HEPATIC AND PORTAL DRAINED VISCERA RESPONSE TO INTRAMESENTERIC INFUSION OF PROPIONATE IN LACTATING DAIRY-COWS SO ANNALES DE ZOOTECHNIE LA English DT Article C1 USDA ARS,BELTSVILLE AGR RES CTR,RNL,BELTSVILLE,MD 20705. RP CASSE, EA (reprint author), INRA,STN RECH VACHE LAITIERE,F-35590 HERMITAGE,FRANCE. NR 2 TC 2 Z9 2 U1 0 U2 1 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0003-424X J9 ANN ZOOTECH JI Ann. Zootech. PY 1992 VL 41 IS 1 BP 97 EP 97 DI 10.1051/animres:19920153 PG 1 WC Agriculture, Dairy & Animal Science; Veterinary Sciences SC Agriculture; Veterinary Sciences GA HZ902 UT WOS:A1992HZ90200053 ER PT J AU PETERSON, CM MOSJIDIS, CO DUTE, RR WESTGATE, ME AF PETERSON, CM MOSJIDIS, CO DUTE, RR WESTGATE, ME TI A FLOWER AND POD STAGING SYSTEM FOR SOYBEAN SO ANNALS OF BOTANY LA English DT Article DE ABSCISSION; ANTHESIS; GLYCINE-MAX (L) MERR; EMBRYO DEVELOPMENT; POD SET ID MAX L MERRILL; SET C1 USDA ARS,N CENT SOIL CONSERVAT RES LAB,MORRIS,MN 56267. AUBURN UNIV,ALABAMA AGR EXPT STN,AUBURN,AL 36849. RP PETERSON, CM (reprint author), AUBURN UNIV,DEPT BOT & MICROBIOL,AUBURN,AL 36849, USA. NR 20 TC 23 Z9 26 U1 1 U2 5 PU ACADEMIC PRESS LTD PI LONDON PA 24-28 OVAL RD, LONDON, ENGLAND NW1 7DX SN 0305-7364 J9 ANN BOT-LONDON JI Ann. Bot. PD JAN PY 1992 VL 69 IS 1 BP 59 EP 67 PG 9 WC Plant Sciences SC Plant Sciences GA HC665 UT WOS:A1992HC66500010 ER PT J AU HOPKINS, TL KRAMER, KJ AF HOPKINS, TL KRAMER, KJ TI INSECT CUTICLE SCLEROTIZATION SO ANNUAL REVIEW OF ENTOMOLOGY LA English DT Review DE CATECHOLAMINES; CUTICULAR TANNING; PHENOLOXIDASES; QUINONES; PROTEIN CROSS-LINKING ID MANDUCA-SEXTA L; N-BETA-ALANYLDOPAMINE; LARVAL-PUPAL TRANSFORMATION; ACETYLDOPAMINE QUINONE METHIDE; COCKROACH LEUCOPHAEA-MADERAE; DIFFERENT ANATOMICAL REGIONS; MAJOR HEMOLYMPH-PROTEINS; BLOWFLY LUCILIA-CUPRINA; DOPA DECARBOXYLASE GENE; TOBACCO HORNWORM C1 USDA ARS, US GRAIN MKT RES LAB, MANHATTAN, KS 66502 USA. RP KANSAS STATE UNIV AGR & APPL SCI, DEPT ENTOMOL, MANHATTAN, KS 66506 USA. NR 160 TC 251 Z9 267 U1 4 U2 32 PU ANNUAL REVIEWS PI PALO ALTO PA 4139 EL CAMINO WAY, PO BOX 10139, PALO ALTO, CA 94303-0139 USA SN 0066-4170 EI 1545-4487 J9 ANNU REV ENTOMOL JI Annu. Rev. Entomol. PY 1992 VL 37 BP 273 EP 302 PG 30 WC Entomology SC Entomology GA GY502 UT WOS:A1992GY50200012 ER PT J AU FRIEDMAN, M AF FRIEDMAN, M TI DIETARY IMPACT OF FOOD-PROCESSING SO ANNUAL REVIEW OF NUTRITION LA English DT Review DE FOOD BROWNING; FOOD PROCESSING; BROWNING PREVENTION; FOOD SAFETY; NUTRITION ID AMINO-ACID-RESIDUES; RAT GROWTH ASSAYS; NUTRITIONAL-VALUE; ASCORBIC-ACID; SOY FLOUR; RACEMIZATION KINETICS; CARBOHYDRATE MIXTURES; BROWNING REACTIONS; AVAILABLE LYSINE; SODIUM ASCORBATE RP FRIEDMAN, M (reprint author), USDA ARS, WESTERN REG RES CTR, FOOD SAFETY RES UNIT, 800 BUCHANAN ST, BERKELEY, CA 94710 USA. OI Friedman, Mendel/0000-0003-2582-7517 NR 120 TC 46 Z9 46 U1 2 U2 10 PU ANNUAL REVIEWS PI PALO ALTO PA 4139 EL CAMINO WAY, PO BOX 10139, PALO ALTO, CA 94303-0139 USA SN 0199-9885 J9 ANNU REV NUTR JI Annu. Rev. Nutr. PY 1992 VL 12 BP 119 EP 137 DI 10.1146/annurev.nu.12.070192.001003 PG 19 WC Nutrition & Dietetics SC Nutrition & Dietetics GA JG467 UT WOS:A1992JG46700007 PM 1503800 ER PT J AU ORT, DR OXBOROUGH, K AF ORT, DR OXBOROUGH, K TI INSITU REGULATION OF CHLOROPLAST COUPLING FACTOR ACTIVITY SO ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY LA English DT Review DE CF1CF0; PHOTOPHOSPHORYLATION; THIOREDOXIN; ELECTROCHROMIC CHANGE; ADP BINDING ID ADENOSINE-TRIPHOSPHATASE INHIBITOR; HEART MITOCHONDRIAL ATPASE; NADP MALATE-DEHYDROGENASE; FACTOR-I; GAMMA-SUBUNIT; H+-ATPASE; INTACT CHLOROPLASTS; THIOL MODULATION; ESCHERICHIA-COLI; ENZYME-ACTIVITY C1 UNIV ILLINOIS,DEPT PLANT BIOL,URBANA,IL 61801. RP ORT, DR (reprint author), USDA ARS,PHOTOSYNTH RES UNIT,URBANA,IL 61801, USA. NR 108 TC 71 Z9 72 U1 0 U2 4 PU ANNUAL REVIEWS INC PI PALO ALTO PA 4139 EL CAMINO WAY, PO BOX 10139, PALO ALTO, CA 94303-0139 SN 0066-4294 J9 ANNU REV PLANT PHYS JI Annu. Rev. Plant Physiol. Plant Molec. Biol. PY 1992 VL 43 BP 269 EP 291 DI 10.1146/annurev.pp.43.060192.001413 PG 23 WC Biochemistry & Molecular Biology; Plant Sciences SC Biochemistry & Molecular Biology; Plant Sciences GA HW518 UT WOS:A1992HW51800010 ER PT J AU PORTIS, AR AF PORTIS, AR TI REGULATION OF RIBULOSE 1,5-BISPHOSPHATE CARBOXYLASE OXYGENASE ACTIVITY SO ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY LA English DT Review DE REGULATION OF PHOTOSYNTHESIS; CHLOROPLAST CARBON METABOLISM; RUBISCO ACTIVASE; ADENOSINE TRIPHOSPHATE; 2-CARBOXYARABINITOL 1-PHOSPHATE ID BISPHOSPHATE CARBOXYLASE; RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE; RIBULOSEBISPHOSPHATE CARBOXYLASE; RUBISCO ACTIVASE; 2-CARBOXYARABINITOL 1-PHOSPHATE; SLOW INACTIVATION; ACTIVITY INVIVO; CATALYTIC SITE; SPINACH LEAVES; GLYOXYLATE INHIBITION C1 UNIV ILLINOIS,DEPT AGRON,URBANA,IL 61801. RP PORTIS, AR (reprint author), USDA ARS,URBANA,IL 61801, USA. NR 107 TC 190 Z9 204 U1 0 U2 6 PU ANNUAL REVIEWS INC PI PALO ALTO PA 4139 EL CAMINO WAY, PO BOX 10139, PALO ALTO, CA 94303-0139 SN 0066-4294 J9 ANNU REV PLANT PHYS JI Annu. Rev. Plant Physiol. Plant Molec. Biol. PY 1992 VL 43 BP 415 EP 437 DI 10.1146/annurev.pp.43.060192.002215 PG 23 WC Biochemistry & Molecular Biology; Plant Sciences SC Biochemistry & Molecular Biology; Plant Sciences GA HW518 UT WOS:A1992HW51800015 ER PT J AU RUST, R TORCHIO, P AF RUST, R TORCHIO, P TI EFFECTS OF TEMPERATURE AND HOST DEVELOPMENTAL STAGE ON ASCOSPHAERA-TORCHIOI YOUSSEF AND MCMANUS PREVALENCE IN OSMIA-LIGNARIA-PROPINQUA CRESSON (HYMENOPTERA, MEGACHILIDAE) SO APIDOLOGIE LA English DT Article DE OSMIA; CHALK BROOD; MYCOSIS; ETIOLOGY ID ALFALFA LEAFCUTTING BEE; ROTUNDATA; SYMPTOMATOLOGY AB Eggs and fifth instar larvae of Osmia lignaria propinqua were inoculated with known concentrations of Ascosphaera torchioi spores and reared at 3 different temperatures. Chalk-brood prevalence was highest following inoculation of bees in the egg stage and when reared at lower temperature (21-degrees-C). C1 UTAH STATE UNIV,USDA ARS,BEE BIOL & SYSTEMAT LAB,LOGAN,UT 84322. RP RUST, R (reprint author), UNIV NEVADA,DEPT BIOL,RENO,NV 89557, USA. NR 18 TC 5 Z9 5 U1 0 U2 2 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0044-8435 J9 APIDOLOGIE JI Apidologie PY 1992 VL 23 IS 1 BP 1 EP 9 DI 10.1051/apido:19920101 PG 9 WC Entomology SC Entomology GA HL557 UT WOS:A1992HL55700001 ER PT J AU WCISLO, WT MINCKLEY, RL SPANGLER, HC AF WCISLO, WT MINCKLEY, RL SPANGLER, HC TI PRECOPULATORY COURTSHIP BEHAVIOR IN A SOLITARY BEE, NOMIA-TRIANGULIFERA VACHAL (HYMENOPTERA, HALICTIDAE) SO APIDOLOGIE LA English DT Article DE NOMIA-TRIANGULIFERA; HALICTIDAE; MATING BEHAVIOR; SEXUAL SELECTION ID DROSOPHILA-SILVESTRIS; MATING-BEHAVIOR; WASPS; ANTHOPHORIDAE; COMMUNICATION; APOIDEA AB Complex courtship behavior occurs both before and during mating of a solitary bee, Nomia triangulifera. Males begin emerging before females, and patrol over the emergence site, although some males also fly near sunflower plants, the exclusive food source of the females. The sizes of males patrolling at these two locations, and those collected while mating were not significantly different. Courtship behavior involves use of the fore- and mid-legs, the metasoma (abdomen), antennae, and the indirect flight muscles to produce loud, audible buzzes. The hind legs have expanded tibiae which are used for clasping the female. Females rarely mated more than once when held in cages. Receptive females usually lacked sperm in their spermathecae, while unreceptive females often had sperm. C1 UNIV KANSAS,SNOW ENTOMOL MUSEUM,DEPT ENTOMOL,LAWRENCE,KS 66045. USDA ARS,CARL HAYDEN BEE RES CTR,TUCSON,AZ 85719. NR 44 TC 15 Z9 16 U1 0 U2 2 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0044-8435 J9 APIDOLOGIE JI Apidologie PY 1992 VL 23 IS 5 BP 431 EP 442 DI 10.1051/apido:19920505 PG 12 WC Entomology SC Entomology GA KF905 UT WOS:A1992KF90500005 ER PT J AU KULINCEVIC, JM RINDERER, TE MLADJAN, VJ BUCO, SM AF KULINCEVIC, JM RINDERER, TE MLADJAN, VJ BUCO, SM TI 5 YEARS OF BIDIRECTIONAL GENETIC SELECTION FOR HONEY-BEES RESISTANT AND SUSCEPTIBLE TO VARROA-JACOBSONI SO APIDOLOGIE LA English DT Article DE APIS-MELLIFERA; VAROA-JACOBSONI; GENETIC SELECTION; RESISTANT LINE; HERITABILITY AB Two lines of honey bees (Apis mellifera carnica) were selectively propagated from an assembled parental stock through four generations. The resulting lines of bees diverged to be comparatively resistant and susceptible, respectively, to Varroa jacobsoni. Much of this phenotypic variation in honey bee response to Varroa jacobsoni has a genetic component. Since important portions of this genetic variation are additive. selective breeding shows good promise for providing the desired long-term solutions to Varroa mite difficulties. C1 USDA ARS,GENET & PHYSIOL LAB,BATON ROUGE,LA 70820. PLC HOLDING CO,RO PKB INST AGROEKONOM,YU-11000 BELGRADE,YUGOSLAVIA. STAT RESOURCES INC,BATON ROUGE,LA 70808. NR 9 TC 15 Z9 16 U1 1 U2 2 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0044-8435 J9 APIDOLOGIE JI Apidologie PY 1992 VL 23 IS 5 BP 443 EP 452 DI 10.1051/apido:19920506 PG 10 WC Entomology SC Entomology GA KF905 UT WOS:A1992KF90500006 ER PT J AU WILLIAMS, JL VILLA, JD DANKA, RG AF WILLIAMS, JL VILLA, JD DANKA, RG TI ACEPHATE BAIT FOR ELIMINATING HONEY-BEE SWARMS IN SWARM TRAPS SO APIDOLOGIE LA English DT Article DE APIS-MELLIFERA; AFRICANIZED HONEY BEE; ACEPHATE BAIT; SWARM TRAP AB Field experiments were conducted to assess the effects of acephate-treated (Orthene(R) 75 S) sucrose bait and bait packaging methods on artificial honey bee (European-derived stock) swarms in swarm traps. Consumption of acephate bait by swarms and bee mortality depended upon acephate concentration and packaging material. Of 2 types of packages and 10 acephate concentrations tested, 450, 500, 1 500 and 4 500 ppm acephate bait in wax paper envelopes eliminated swarms and most queens within 1 d. Detectable worker mortality in traps ranged from 18% (150 ppm, cup) to 73% (4 500 ppm, envelope) of original populations of ca 12 000 bees. The toxic bait has potential as an economical and safe technique for destroying swarms captured during Africanized honey bee survey and abatement programs. RP WILLIAMS, JL (reprint author), USDA ARS,HONEY BEE BREEDING GENET & PHYSIOL LAB,1157 BEN HUR RD,BATON ROUGE,LA 70820, USA. NR 15 TC 2 Z9 2 U1 1 U2 3 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0044-8435 J9 APIDOLOGIE JI Apidologie PY 1992 VL 23 IS 6 BP 537 EP 544 DI 10.1051/apido:19920606 PG 8 WC Entomology SC Entomology GA KM435 UT WOS:A1992KM43500006 ER PT J AU PESANTE, DG RINDERER, TE COLLINS, AM BOYKIN, DL BUCO, SM AF PESANTE, DG RINDERER, TE COLLINS, AM BOYKIN, DL BUCO, SM TI HONEY PRODUCTION IN VENEZUELA - EFFECTS OF FEEDING SUGAR SYRUP ON COLONY WEIGHT GAINS BY AFRICANIZED AND EUROPEAN COLONIES SO APIDOLOGIE LA English DT Article DE AFRICANIZED HONEYBEE; EUROPEAN HONEYBEE; FEEDING; HONEY PRODUCTION; VENEZUELA ID MELLIFERA AB Honey production by Africanized and European colonies as influenced by different rations of sugar syrup prior to the nectar flow was studied through a complete honey production season in Venezuela. A significant interaction of apiary, honey bee type and feed ration was detected. In the apiary with highest colony weight gains overall, European colonies had significantly higher weight gains than Africanized colonies. This general trend interacted with feed ration, the difference being most pronounced among colonies fed the 1 liter ration. Under the less favorable nectar flow conditions of the second apiary, significant differences in colony weight gains were not observed between geographical types. Significant differences in colony weight gains were detected between colonies fed 1 or 3 liters of syrup twice a wk. Colonies fed 1 liter of syrup had higher colony weight gains. Feeding honey bee colonies 3 liters of syrup twice a wk proved detrimental to colony development by restricting brood nest expansion. C1 USDA ARS,HONEY BEE BREEDING GENET & PHYSIOL LAB,BATON ROUGE,LA 70820. USDA ARS,WESLACO,TX 78596. USDA ARS,J WHITTEN RES INST,STONEVILLE,MS 38776. STAT RESOURCES,BATON ROUGE,LA 70808. RP PESANTE, DG (reprint author), UNIV PUERTO RICO,DEPT ANIM SCI,MAYAGUEZ CAMPUS,MAYAGUEZ,PR 00708, USA. NR 17 TC 2 Z9 2 U1 1 U2 4 PU EDITIONS SCIENTIFIQUES ELSEVIER PI PARIS CEDEX 15 PA 141 RUE JAVEL, 75747 PARIS CEDEX 15, FRANCE SN 0044-8435 J9 APIDOLOGIE JI Apidologie PY 1992 VL 23 IS 6 BP 545 EP 552 DI 10.1051/apido:19920607 PG 8 WC Entomology SC Entomology GA KM435 UT WOS:A1992KM43500007 ER PT J AU COTTA, MA AF COTTA, MA TI INTERACTION OF RUMINAL BACTERIA IN THE PRODUCTION AND UTILIZATION OF MALTOOLIGOSACCHARIDES FROM STARCH SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY LA English DT Article ID SELENOMONAS-RUMINANTIUM; CELLULOLYTIC BACTERIA; TREPONEMA-BRYANTII; CONTINUOUS CULTURE; RUMEN BACTERIA; FERMENTATION; INVITRO AB The degradation and utilization of starch by three amylolytic and one nonamylolytic species of ruminal bacteria were studied. Pure cultures of Streptococcus bovis JB1, Butyrivibrio fibrisolvens 49, and Bacteroides ruminicola D31d rapidly hydrolyzed starch and maltooligosaccharides accumulated. The major starch hydrolytic products detected in S. bovis cultures were glucose, maltose, maltotriose, and maltotetraose. In addition to these oligosaccharides, B. fibrisolvens cultures produced maltopentaose. The products of starch hydrolysis by B. ruminicola were even more complex, yielding glucose through maltotetraose, maltohexaose, and maltoheptaose but little maltopentaose. Selenomonas ruminantium HD4 grew poorly on starch, digested only a small portion of the available substrate, and generated no detectable oligosaccharides as a result of cultivation in starch containing medium. S. ruminantium was able to grow on a mixture of maltooligosaccharides and utilize those of lower degree (< 10) of polymerization. A coculture system containing S. ruminantium as a dextrin-utilizing species and each of the three amylolytic bacteria was developed to test whether the products of starch hydrolysis were available for crossfeeding to another ruminal bacterium. Cocultures of S. ruminantium and S. bovis contained large numbers of S. bovis hut relatively few S. ruminantium and exhibited little change in the pattern of maltooligosaccharides observed for pure cultures of S. bovis. In contrast, S. ruminantium was able to compete with B. fibrisolvens and B. ruminicola for these growth substrates. When grown with B. fibrisolvens, S. ruminantium grew to high numbers and maltooligosaccharides accumulated to a much lesser degree than in cultures of B. fibrisolvens alone. S. ruminantium-B. ruminicola cultures contained large numbers of both species, and maltooligosaccharides never accumulated in these cocultures. Maximum growth rate appeared to be the major determinant of competitive fitness in these cocultures, but the influence of other important growth characteristics (e.g., substrate affinities) could not be ruled out. RP COTTA, MA (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,FERMENTAT BIOCHEM UNIT,1815 N UNIV ST,PEORIA,IL 61604, USA. OI Cotta, Michael/0000-0003-4565-7754 NR 18 TC 55 Z9 55 U1 0 U2 0 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0099-2240 J9 APPL ENVIRON MICROB JI Appl. Environ. Microbiol. PD JAN PY 1992 VL 58 IS 1 BP 48 EP 54 PG 7 WC Biotechnology & Applied Microbiology; Microbiology SC Biotechnology & Applied Microbiology; Microbiology GA GY253 UT WOS:A1992GY25300009 PM 1539992 ER PT J AU AZCONAOLIVERA, JI ABOUZIED, MM PLATTNER, RD NORRED, WP PESTKA, JJ AF AZCONAOLIVERA, JI ABOUZIED, MM PLATTNER, RD NORRED, WP PESTKA, JJ TI GENERATION OF ANTIBODIES REACTIVE WITH FUMONISINS B1, B2, AND B3 BY USING CHOLERA-TOXIN AS THE CARRIER-ADJUVANT SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY LA English DT Article ID LINKED IMMUNOSORBENT-ASSAY; FUSARIUM-MONILIFORME; MONOCLONAL-ANTIBODY; NATURAL OCCURRENCE; MYCOTOXINS; IMMUNITY; ANTIGENS; ANTISERA; HORSE; MICE AB Murine polyclonal antibodies reactive with fumonisins B1, B2, and B3, were produced after a novel immunization procedure with cholera toxin as both a hapten carrier protein and adjuvant. Immunization of mice with two 7.5-mu-g doses of fumonisin B1-cholera toxin conjugate without adjuvant resulted in the production of fumonisin B1-specific antibodies in all mice within 15 days when intraperitoneal, subcutaneous. and intravenous routes were used. In contrast, conventional immunization procedures with fumonisin B1-bovine serum albumin conjugates with and without Freund's adjuvant were largely ineffective. Fumonisin antibodies could be readily mass-produced in ascites fluid by using cholera toxin as a carrier-adjuvant. A competitive indirect enzyme-linked immunosorbent assay (ELISA) was devised whereby immobilized fumonisin B1-ovalbumin and free fumonisin B1 competed for antibody binding. The detection limit for fumonisin B1 in the ELISA was 100 ng/ml. The antiserum cross-reacted with fumonisins B2 and B3 but not with the hydrolyzed backbone of fumonisin B1 and tricarballylic acid. Concentrations of fumonisins B1, B2, and B3 required for 50% binding inhibition were 260, 300, and 650 ng/ml, respectively. These polyclonal antibodies should find wide usage in the ELISA for fumonisins in foods, feeds, and tissues. C1 MICHIGAN STATE UNIV,DEPT FOOD SCI & HUMAN NUTR,E LANSING,MI 48824. USDA ARS,NO REG RES CTR,BIOACT CONSTITUENTS RES UNIT,PEORIA,IL 61604. USDA ARS,RICHARD B RUSSELL AGR RES CTR,TOXICOL & MYCOTOXIN RES UNIT,ATHENS,GA 30613. NR 30 TC 56 Z9 66 U1 0 U2 1 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0099-2240 J9 APPL ENVIRON MICROB JI Appl. Environ. Microbiol. PD JAN PY 1992 VL 58 IS 1 BP 169 EP 173 PG 5 WC Biotechnology & Applied Microbiology; Microbiology SC Biotechnology & Applied Microbiology; Microbiology GA GY253 UT WOS:A1992GY25300025 PM 1539971 ER PT J AU BOTHAST, RJ BENNETT, GA VANCAUWENBERGE, JE RICHARD, JL AF BOTHAST, RJ BENNETT, GA VANCAUWENBERGE, JE RICHARD, JL TI FATE OF FUMONISIN-B1 IN NATURALLY CONTAMINATED CORN DURING ETHANOL FERMENTATION SO APPLIED AND ENVIRONMENTAL MICROBIOLOGY LA English DT Article ID FUSARIUM-MONILIFORME; OCHRATOXIN; LEUKOENCEPHALOMALACIA; MYCOTOXINS; CANCER AB Two lots of corn naturally contaminated with fumonisin B1 (15 and 36 ppm) and a control lot (no fumonisin B1 detected) were used as substrates for ethanol production in replicate 8.5-liter yeast fermentations. Ethanol yields were 8.8% for both the control and low-fumonisin corn, while the high-fumonisin corn contained less starch and produced 7.2% ethanol. Little degradation of fumonisin occurred during fermentation, and most was recovered in the distillers' grains, thin stillage, and distillers' solubles fractions. No toxin was detected in the distilled alcohol or centrifuge solids. Ethanol fermentation of fumonisin-contaminated corn coupled with effective detoxification of distillers' grains and aqueous stillage is suggested as a practical process strategy for salvaging contaminated corn. RP BOTHAST, RJ (reprint author), USDA ARS,NATL CTR AGR UTILIZAT RES,FERMENTAT BIOCHEM UNIT,1815 N UNIV ST,PEORIA,IL 61604, USA. NR 23 TC 80 Z9 80 U1 1 U2 7 PU AMER SOC MICROBIOLOGY PI WASHINGTON PA 1325 MASSACHUSETTS AVENUE, NW, WASHINGTON, DC 20005-4171 SN 0099-2240 J9 APPL ENVIRON MICROB JI Appl. Environ. Microbiol. PD JAN PY 1992 VL 58 IS 1 BP 233 EP 236 PG 4 WC Biotechnology & Applied Microbiology; Microbiology SC Biotechnology & Applied Microbiology; Microbiology GA GY253 UT WOS:A1992GY25300035 PM 16348623 ER PT J AU GILL, GS BOYD, R URI, ND AF GILL, GS BOYD, R URI, ND TI THE IMPACT OF THE OIL CRISIS ASSOCIATED WITH THE PERSIAN GULF CONFLICT ON THE UNITED-STATES SO APPLIED ENERGY LA English DT Article AB This paper analyzes the effects of the Persian Gulf conflict on the level of economic activity, employment and inflation in the United States. Impacts on other countries are not examined in this study. Many of the impacts are difficult to quantify objectively. One factor that can be subjected to analysis is the increase in US government expenditures associated with Operations Desert Shield and Desert Storm. The analytical results of the investigation suggest that the method of financing the increase does make a difference in how the US economy is affected. In two of the three cases considered (i.e. deficit financing and 80% financing by coalition partners), output, personal consumption expenditures, and disposable income increase, but these increases are partly associated with higher prices (i.e. inflation). In the third case (i.e. tax-offset scenario), output, personal consumption expenditures, and disposable income decline, but prices actually fall. Moreover, the magnitudes of the changes are directly proportional to the size of the expenditure increase. C1 USDA,1301 NEW YORK AVE NW,WASHINGTON,DC 20250. US DEPT COMMERCE,OFF BUSINESS ANAL,WASHINGTON,DC 20250. OHIO UNIV,DEPT ECON,ATHENS,OH 45701. NR 21 TC 0 Z9 0 U1 0 U2 1 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0306-2619 J9 APPL ENERG JI Appl. Energy PY 1992 VL 43 IS 4 BP 251 EP 272 DI 10.1016/0306-2619(92)90025-7 PG 22 WC Energy & Fuels; Engineering, Chemical SC Energy & Fuels; Engineering GA JR917 UT WOS:A1992JR91700004 ER PT J AU URI, ND GILL, M AF URI, ND GILL, M TI AGRICULTURAL DEMANDS FOR NATURAL-GAS AND LIQUEFIED PETROLEUM GAS IN THE USA SO APPLIED ENERGY LA English DT Article ID UNITED-STATES; REGRESSION AB This study endeavors to determine whether farmers adjust their consumption of natural gas and liquefied petroleum gas in response to changes in the unit price of energy. A demand model is specified and estimated. The conclusions suggest that the unit price of natural gas (liquefied petroleum gas) is a factor impacting the quantity of natural gas (liquefied petroleum gas) demanded by farmers, but there is no indication that other types of energy are substitutes for natural gas or liquefied petroleum gas. Additionally, the number of acres irrigated is an important factor driving the demand for natural gas and liquefied petroleum gas. Finally, the estimated models of natural gas and liquefied petroleum gas demand were structurally stable over the period 1971-1989. RP URI, ND (reprint author), USDA,ECON RES SERV,DIV RESOURCES & TECHNOL,1301 NEW YORK AVE NW,WASHINGTON,DC 20005, USA. NR 31 TC 2 Z9 2 U1 0 U2 1 PU ELSEVIER SCI LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON, ENGLAND OX5 1GB SN 0306-2619 J9 APPL ENERG JI Appl. Energy PY 1992 VL 41 IS 3 BP 223 EP 241 DI 10.1016/0306-2619(92)90004-U PG 19 WC Energy & Fuels; Engineering, Chemical SC Energy & Fuels; Engineering GA HE514 UT WOS:A1992HE51400004 ER PT J AU HUANG, WY URI, ND AF HUANG, WY URI, ND TI AN ANALYSIS OF THE MARGINAL VALUE OF CROPLAND AND NITROGEN-FERTILIZER USE UNDER ALTERNATIVE FARM PROGRAMS SO APPLIED MATHEMATICAL MODELLING LA English DT Article DE BASE ACREAGE; FORM PROGRAM ANALYSIS; GROUNDWATER CONTAMINATION; MARGINAL VALUE OF CROPLAND; NITROGEN FERTILIZER AB The analysis in this paper is directed at estimating the impact on the marginal value of a crop base acre and on nitrogen fertilizer use of alternative farm programs designed to encourage planting flexibility in response to changing relative agricultural commodity prices. Four policy alternatives are considered: the current farm program, the Normal Crop Acreage option, the triple-base option, and the Lugar-Leahy (USDA) option. Encouraging planting flexibility via the Lugar-Leahy (USDA) option can be an effective way to reduce the excessive application of nitrogen fertilizer. Additionally, an effective farm policy designed to encourage growing crops besides those used to calculate the base acreage should detach any program deficiency payments from the number of program base acres. For example, the triple-base option would lower the marginal value of a base acre and therefore would increase the likelihood of a farmer adopting some sort of crop rotation scheme (as opposed to continuously planting the same program crop). The accompanying reduction in the excessive nitrogen fertilizer application rate, however, might not be substantial because the triple-base option links deficiency payments to the number of base acres. The Lugar-Leahy (USDA) option, on the other hand, is an effective way to reduce the excessive nitrogen fertilizer application rate while at the same time inducing farmers to consider the production of alternative crops. C1 USDA,CED,SAB,ROOM 1240,1301 NEW YORK AVE NW,WASHINGTON,DC 20005. NR 17 TC 4 Z9 4 U1 0 U2 1 PU BUTTERWORTH-HEINEMANN PI WOBURN PA 225 WILDWOOD AVE #UNITB PO BOX 4500, WOBURN, MA 01801-2084 SN 0307-904X J9 APPL MATH MODEL JI Appl. Math. Model. PD JAN PY 1992 VL 16 IS 1 BP 16 EP 25 DI 10.1016/0307-904X(92)90111-F PG 10 WC Engineering, Multidisciplinary; Mathematics, Interdisciplinary Applications; Mechanics SC Engineering; Mathematics; Mechanics GA HB247 UT WOS:A1992HB24700003 ER PT J AU HOLL, SM SCHAEFER, J GOLDBERG, WM KRAMER, KJ MORGAN, TD HOPKINS, TL AF HOLL, SM SCHAEFER, J GOLDBERG, WM KRAMER, KJ MORGAN, TD HOPKINS, TL TI COMPARISON OF BLACK CORAL SKELETON AND INSECT CUTICLE BY A COMBINATION OF C-13 NMR AND CHEMICAL-ANALYSES SO ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS LA English DT Article ID NUCLEAR MAGNETIC-RESONANCE; CUTICULAR PROTEINS; SCLEROTIZATION; METABOLISM; COLLAGEN; C-13 C1 WASHINGTON UNIV, DEPT CHEM, ST LOUIS, MO 63130 USA. FLORIDA INT UNIV, DEPT BIOL SCI, MIAMI, FL 33199 USA. USDA ARS, N CENT REG, US GRAIN MKT RES LAB, MANHATTAN, KS 66502 USA. KANSAS STATE UNIV AGR & APPL SCI, DEPT ENTOMOL, MANHATTAN, KS 66506 USA. NR 28 TC 20 Z9 20 U1 0 U2 3 PU ELSEVIER SCIENCE INC PI NEW YORK PA 360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA SN 0003-9861 EI 1096-0384 J9 ARCH BIOCHEM BIOPHYS JI Arch. Biochem. Biophys. PD JAN PY 1992 VL 292 IS 1 BP 107 EP 111 DI 10.1016/0003-9861(92)90057-4 PG 5 WC Biochemistry & Molecular Biology; Biophysics SC Biochemistry & Molecular Biology; Biophysics GA GV110 UT WOS:A1992GV11000015 PM 1345775 ER PT J AU BOROVSKY, D POWELL, CA CARLSON, DA AF BOROVSKY, D POWELL, CA CARLSON, DA TI DEVELOPMENT OF SPECIFIC RIA AND ELISA TO STUDY TRYPSIN MODULATING OOSTATIC FACTOR IN MOSQUITOS SO ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY LA English DT Article DE A-AEGYPTI; PEPTIDE HORMONE; ANTIBODIES; TRYPSIN-LIKE ENZYME; INHIBITION ID PROTEOLYTIC-ENZYMES; STOMOXYS-CALCITRANS; BITING FLY; MIDGUT; BIOSYNTHESIS; HORMONE AB Trypsin modulating oostatic factor (TMOF), a decapeptide (H-YDPAPPPPPP-OH) that signals the termination of trypsinlike enzyme biosynthesis in the mosquito midgut, was covalently bound to Keyhole Limpet Hemocyanin using N-hydroxy-succinimide and dicyclohexylcarbodiimide. Polyclonal antibodies raised in rabbits against this conjugate were used to develop specific RIA and enzyme linked immunosorbent assay (ELISA) to detect the peptide hormone in female Aedes aegypti. TMOF and its analogs TMOF(B) (H-DYPAPPPPPP-OH), P4 (H-YDPAPPPP-OH), P1 (H-YDPAP-OH), and poly-L-proline were tested with the antiserum. The antiserum fully recognized TMOF and partially recognized P4. Using both RIA and ELISA, we report that the amount of TMOF in the mosquito ovary is 100 +/- 20 ng (S.E.) and 96 +/- 1.4 ng (S.E.), respectively, for each assay. Minute quantities of TMOF a thousandfold lower than in the ovary were found in the mosquito brain, indicating that the hormone is probably not neural but ovarian in origin. C1 AGR RES & EDUC CTR,FT PIERCE,FL. USDA ARS,VET & MED ENTOMOL LAB,GAINESVILLE,FL 32604. RP BOROVSKY, D (reprint author), UNIV FLORIDA,INST FOOD & AGR SCI,FLORIDA MED ENTOMOL LAB,200 9TH ST SE,VERO BEACH,FL 32962, USA. NR 22 TC 18 Z9 19 U1 0 U2 0 PU WILEY-LISS PI NEW YORK PA DIV JOHN WILEY & SONS INC 605 THIRD AVE, NEW YORK, NY 10158-0012 SN 0739-4462 J9 ARCH INSECT BIOCHEM JI Arch. Insect Biochem. Physiol. PY 1992 VL 21 IS 1 BP 13 EP 21 DI 10.1002/arch.940210103 PG 9 WC Biochemistry & Molecular Biology; Entomology; Physiology SC Biochemistry & Molecular Biology; Entomology; Physiology GA JN411 UT WOS:A1992JN41100002 PM 1421442 ER PT J AU STILES, B NEWMAN, SM AF STILES, B NEWMAN, SM TI EVIDENCE FOR THE INDUCTION OF CUTICLE PROTEINS BY 20-HYDROXYECDYSONE IN 2 ESTABLISHED INSECT CELL-LINES SO ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY LA English DT Article DE HORMONE INDUCTION; 20-HYDROXYECDYSONE; COTTON BOLL WEEVIL; GERMAN COCKROACH; POLYCLONAL ANTIBODIES; ANTHONOMUS-GRANDIS; BLATTELLA-GERMANICA ID JUVENILE-HORMONE; CAMP LEVELS; ECDYSTEROID ACTION; RHODNIUS-PROLIXUS; TOBACCO HORNWORM; CHITIN SYNTHESIS; MANDUCA-SEXTA; ECDYSONE; GLYCOPROTEINS; TISSUES AB We have studied two different established insect cell lines capable of synthesizing chitin, UM-BGE4 from the cockroach and BRL-AG-2 from the boll weevil, for their ability to produce putative cuticle proteins. Mouse polyclonal antibodies were raised against the abdominal cuticle proteins extracted from the cuticle of nymphal and adult stage cockroaches, and larval, pupal, and adult stage cotton boll weevils. On Western blots, these antibodies detected several cross-reacting proteins in untreated control cells and a variety of induced proteins in cells first exposed to a double pulse of the molting hormone, 20-hydroxyecdysone (a low concentration followed by a higher concentration of hormone). The majority of these hormone induced proteins recognized by the anti-cuticle protein antibodies were found to correspond in size to specific proteins observed in abdominal cuticle extracts. Electron microscopy utilizing colloidal gold to identify antibody binding sites indicated the antigenic proteins were present in the extracellular material found on the surface of the cultured cockroach and boll weevil cells. The evidence presented suggests that these cell lines can produce cuticle proteins. C1 USDA ARS,BIOSCI RES LAB,FARGO,ND 58102. NR 59 TC 1 Z9 2 U1 0 U2 1 PU WILEY-LISS PI NEW YORK PA DIV JOHN WILEY & SONS INC 605 THIRD AVE, NEW YORK, NY 10158-0012 SN 0739-4462 J9 ARCH INSECT BIOCHEM JI Arch. Insect Biochem. Physiol. PY 1992 VL 21 IS 1 BP 23 EP 40 DI 10.1002/arch.940210104 PG 18 WC Biochemistry & Molecular Biology; Entomology; Physiology SC Biochemistry & Molecular Biology; Entomology; Physiology GA JN411 UT WOS:A1992JN41100003 ER PT J AU ZLOTKIN, E FISHMAN, L SHAPIRO, JP AF ZLOTKIN, E FISHMAN, L SHAPIRO, JP TI ORAL TOXICITY TO FLESH FLIES OF A NEUROTOXIC POLYPEPTIDE SO ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY LA English DT Article DE POLYPEPTIDE NEUROTOXIN; GUT PERMEABILITY; SARCOPHAGA-FALCULATA ID INSECT-SELECTIVE NEUROTOXIN; ANDROCTONUS-AUSTRALIS HECTOR; SCORPION-VENOM; MEMBRANES; BINDING; MIDGUT; TOXIN; PURIFICATION; CARDIOTOXIN; DIPTERA AB An insect selective neurotoxic polypeptide from venom of the scorpion Androctonus australis (AaIT, M(r) 8,000) was shown to cross the midgut of the flesh fly Sarcophaga falculata, using assays of oral toxicity, column chromatography, and microscopic autoradiography of the native and radioiodinated toxin. AaIT induced paralysis of flies within 1-2 h after oral administration, with a lethal dose (LD50) of 10-mu-g/100 mg of body weight. Oral toxicity was about 0.14% of toxicity by injection. Hemolymph collection 70-85 min after feeding flies with [I-125]AaIT showed that 5% of ingested radioactivity appeared in hemolymph. Most of this represented degradation products, but included about 0.3% of the chromatographically intact toxin. In contrast, hemolymph of identically treated lepidopterous larvae (Manduca, Helioverpa [= Heliothis]) contained degradation products but no intact toxin. [I-125]AaIT was shown to cross the midgut of Sarcophaga through a morphologically distinct segment of the midgut previously shown to be permeable to a cytotoxic, positively charged polypeptide of similar molecular weight. These results suggest that Sarcophaga midgut contains a morphologically and functionally distinct segment that transports small peptides, and that employment of neurotoxic polypeptides for insect control may be feasible. Activity might be greatly improved through modification and metabolic stabilization of active peptides. C1 USDA ARS,US HORT RES LAB,ORLANDO,FL 32803. RP ZLOTKIN, E (reprint author), HEBREW UNIV JERUSALEM,INST LIFE SCI,DEPT ZOOL,IL-91904 JERUSALEM,ISRAEL. NR 28 TC 18 Z9 19 U1 0 U2 0 PU WILEY-LISS PI NEW YORK PA DIV JOHN WILEY & SONS INC 605 THIRD AVE, NEW YORK, NY 10158-0012 SN 0739-4462 J9 ARCH INSECT BIOCHEM JI Arch. Insect Biochem. Physiol. PY 1992 VL 21 IS 1 BP 41 EP 52 DI 10.1002/arch.940210105 PG 12 WC Biochemistry & Molecular Biology; Entomology; Physiology SC Biochemistry & Molecular Biology; Entomology; Physiology GA JN411 UT WOS:A1992JN41100004 PM 1421443 ER EF