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Yield Potential And Resource-Use Efficiency Of Maize Systems In The Western U. S. Corn Belt, Patricio Grassini
Yield Potential And Resource-Use Efficiency Of Maize Systems In The Western U. S. Corn Belt, Patricio Grassini
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Maize demand for food, livestock feed, and biofuel is expected to increase substantially. The Western U.S. Corn Belt accounts for 23% of U.S. maize production, and irrigated maize accounts for 43 and 58% of maize land area and total production, respectively, in this region. The most sensitive parameters (yield potential [YP], water-limited yield potential [YP-W], yield gap between actual yield and YP, and resource-use efficiency) governing performance of maize systems in the region are lacking. A simulation model was used to quantify YP under irrigated and rainfed conditions based on weather data, soil properties, and crop management at 18 locations. …
A New Small-Bodied Species Of Palaeonictis (Creodonta, Oxyaenidae) From The Paleocene-Eocene Thermal Maximum, Stephen G. B. Chester, Jonathan I. Bloch, Ross Secord, Doug M. Boyer
A New Small-Bodied Species Of Palaeonictis (Creodonta, Oxyaenidae) From The Paleocene-Eocene Thermal Maximum, Stephen G. B. Chester, Jonathan I. Bloch, Ross Secord, Doug M. Boyer
Department of Earth and Atmospheric Sciences: Faculty Publications
Oxyaenid creodonts are extinct carnivorous mammals known from the Paleogene of North America, Europe, and Asia. The genus Palaeonictis is represented by three species that together span the late Paleocene to early Eocene of North America, and at least one species from the early Eocene of Europe. Previously, only a single trigonid of Palaeonictis was known from the interval encompassing the Paleocene-Eocene Thermal Maximum (PETM) in North America. We describe Palaeonictis wingi sp. nov. from the PETM in the Cabin Fork drainage, southeastern Bighorn Basin, Wyoming, based on associated right and left dentaries with P2-M2. Palaeonictis …
Biotic And Abiotic Influences On Within-Plant Distribution Of Soybean Aphid (Hemiptera: Aphididae: Aphis Glycines), Tierney R. Brosius, Leon G. Higley, Thomas E. Hunt
Biotic And Abiotic Influences On Within-Plant Distribution Of Soybean Aphid (Hemiptera: Aphididae: Aphis Glycines), Tierney R. Brosius, Leon G. Higley, Thomas E. Hunt
Department of Entomology: Faculty Publications
The within-plant distribution of soybean aphid, Aphis glycines Matsumura has been attributed to various causes, yet it is unclear which factor or combination of factors most influence aphid within-plant distribution. Understanding soybean aphid distribution within the soybean canopy is important both in developing sampling programs and in evaluating injury. Because natural enemies have the potential to alter aphid dispersion, we examined how within-plant distribution of soybean aphid was influenced by different natural enemies. Field cages of different mesh diameters were used to exclude different sizes of natural enemies from aphid infested plots. Plots were surveyed and both natural enemy density …
Varroa Mites And Honey Bee Health: Can Varroa Explain Part Of The Colony Losses?, Yves Le Conte, Marion D. Ellis, Wolfgang Ritter
Varroa Mites And Honey Bee Health: Can Varroa Explain Part Of The Colony Losses?, Yves Le Conte, Marion D. Ellis, Wolfgang Ritter
Department of Entomology: Faculty Publications
Since 2006, disastrous colony losses have been reported in Europe and North America. The causes of the losses were not readily apparent and have been attributed to overwintering mortalities and to a new phenomenon called Colony Collapse Disorder. Most scientists agree that there is no single explanation for the extensive colony losses but that interactions between different stresses are involved. As the presence of Varroa in each colony places an important pressure on bee health, we here address the question of how Varroa contributes to the recent surge in honey bee colony losses.
Comparative Growth And Yield Of Channel Catfish And Channel X Blue Hybrid Catfish Fed A Full Or Restricted Ration, Bartholomew W. Green, Steven Rawles
Comparative Growth And Yield Of Channel Catfish And Channel X Blue Hybrid Catfish Fed A Full Or Restricted Ration, Bartholomew W. Green, Steven Rawles
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Growth and yield (kg/ha-1) of the channel catfish (Ictalurus punctatus, Rafinesque, 1818) and the channel x blue hybrid catfish [I. punctatus female x I. furcatus (Lesueur,1840) male], which shared the Jubilee strain of channel catfish as the maternal parent, were compared in sixteen 0.1 ha earthen ponds (14,852 fish/ha-1) during the April to November growing season. Each fish genetic group was fed a commercially formulated 32% protein feed daily to apparent satiation or at 80% of the mean daily satiation ration. Net yield and individual weight were higher for channel x …
Production Decisions And Time Allocation: A Guide To Data Collection, Raymond B. Hames
Production Decisions And Time Allocation: A Guide To Data Collection, Raymond B. Hames
Department of Anthropology: Faculty Publications
In this chapter I deal with methods for collecting behavioral and economic data on productive inputs and outputs. Any attempt at the collection of quantitative data requires that the researcher should ideally have prior knowledge of the full range of economic activities and perform preliminary evaluations of the accuracy of data collection procedures and coding schemes. This will prevent false starts, increase cross-cultural comparability, and lead to a more systematic account of activities. Whenever possible, I encourage researchers to rely on observational data as a kind of gold standard: it produces data amenable to sophisticated quantitative analysis, is crucial for …
Lipid And Ndf Analysis Of Ethanol Byproduct Feedstuffs, Virgil R. Bremer, Crystal D. Buckner, Andrew W. Brown, Timothy P. Carr, Ruth M. Diedrichsen, Galen E. Erickson, Terry J. Klopfenstein
Lipid And Ndf Analysis Of Ethanol Byproduct Feedstuffs, Virgil R. Bremer, Crystal D. Buckner, Andrew W. Brown, Timothy P. Carr, Ruth M. Diedrichsen, Galen E. Erickson, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
A newly developed biphasic feed lipid extraction procedure has increased accuracy relative to Goldfisch ether extraction, especially for condensed corn distillers solubles samples. A pre-NDF fat extraction must be completed prior to analyzing high fat feeds for NDF. Corn should be ground through a 1-mm screen on a Tecator Cyclotec sample mill to accurately determine corn NDF content.
Effects Of Using Wet Distillers Grains With Solubles To Adapt Cattle To Finishing Diets On Feed Intake, Ruminal Ph, And Ruminal Hydrogen Sulfide Concentration, Kelsey Rolfe, Galen E. Erickson, Terry J. Klopfenstein, Judson Vasconcelos
Effects Of Using Wet Distillers Grains With Solubles To Adapt Cattle To Finishing Diets On Feed Intake, Ruminal Ph, And Ruminal Hydrogen Sulfide Concentration, Kelsey Rolfe, Galen E. Erickson, Terry J. Klopfenstein, Judson Vasconcelos
Nebraska Beef Cattle Reports
An adaptation strategy with wet distillers grains with solubles (WDGS) fed at decreasing levels (87.5 to 35%) was compared to a traditional grain adaptation with decreasing forage (45 to 7.5%) when adapting steers to a common finishing diet. Traditionally adapted steers had higher intake in steps one through three compared to steers adapted with distillers grains. However, DMI was not different between the two adaptation systems in step four, or when steers were on the finishing diet. Ruminal pH was higher for traditionally adapted steers compared to steers adapted to distillers grains in adaptation diets two and three. Ruminal hydrogen …
The New Homelessness Revisited, Barrett A. Lee, Kimberly A. Tyler, James D. Wright
The New Homelessness Revisited, Barrett A. Lee, Kimberly A. Tyler, James D. Wright
Department of Sociology: Faculty Publications
The new homelessness has drawn sustained attention from scholars over the past three decades. Definitional inconsistencies and data limitations rendered early work during this period largely speculative in nature. Thanks to conceptual, theoretical, and methodological progress, however, the research literature now provides a fuller understanding of homelessness. Contributions by sociologists and other social scientists since the mid-1990s differentiate among types of homelessness, provide credible demographic estimates, and show how being homeless affects a person’s life chances and coping strategies. Agreement also exists about the main macro- and micro-level causes of homelessness. Active lines of inquiry examine public, media, and governmental …
Test Of Localized Management For Reducing Deer Browsing In Forest Regeneration Areas, Brad F. Miller, Tyler A. Campbell, Ben Laseter, W. Mark Ford, Karl Miller
Test Of Localized Management For Reducing Deer Browsing In Forest Regeneration Areas, Brad F. Miller, Tyler A. Campbell, Ben Laseter, W. Mark Ford, Karl Miller
United States Department of Agriculture Wildlife Services: Staff Publications
White-tailed deer (Odocoileus virginianus) browsing in forest regeneration sites can affect current and future stand structure and species composition. Removal of deer social units (localized management) has been proposed as a strategy to alleviate deer overbrowsing in forest systems. We conducted an experimental localized removal in a high-density deer population in the central Appalachians of West Virginia, USA, during winter 2002. We removed 51 deer within a 1.1-km2 area that encompassed 2 forest regeneration sites (14 ha). During the summer following removal, we detected decreases in distance from the removal area in 8 of 30 (26.7%) adult …
Nutrient Accumulation And Photosynthesis In Glyphosate-Resistant Soybeans Is Reduced Under Glyphosate Use, Luiz Henrique Saes Zobiole, Rubem Silvério De Oliveira Jr., Robert John Kremer, Antonio Saraiva Muniz, Adilson De Oliveira Jr.
Nutrient Accumulation And Photosynthesis In Glyphosate-Resistant Soybeans Is Reduced Under Glyphosate Use, Luiz Henrique Saes Zobiole, Rubem Silvério De Oliveira Jr., Robert John Kremer, Antonio Saraiva Muniz, Adilson De Oliveira Jr.
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Global production of glyphosate-resistant (GR) soybean [Glycine max (L.) Merr.] continues to increase annually; however, there are no particular specific fertilizer recommendations for the transgenic varieties used in this system largely because reports of glyphosate effects on mineral nutrition of GR soybeans are lacking. Several metabolites or degradation products of glyphosate have been identified or postulated to cause undesirable effects on GR soybeans. In this work we used increasing glyphosate rates in different application on cv. ‘BRS 242 GR’ in order to evaluate photosynthetic parameters, macro- and micronutrient uptake and accumulation and shoot and root dry …
Cloning, Expression, And Immunogenicity Of Flavobacterium Columnare Heat Shock Protein Dnaj, Oscar Olivares-Fuster, Jeffery S. Terhune, Craig A. Shoemaker, Covadonga R. Arias
Cloning, Expression, And Immunogenicity Of Flavobacterium Columnare Heat Shock Protein Dnaj, Oscar Olivares-Fuster, Jeffery S. Terhune, Craig A. Shoemaker, Covadonga R. Arias
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The Flavobacterium columnare heat shock protein (HSP) gene dnaJ* was isolated, cloned, expressed, and used as an antigen in a recombinant vaccine strategy for channel catfish Ictalurus punctatus. The F. columnare dnaJ* sequence was obtained from genomovars I and II and showed intraspecies variability. Recombinant protein was expressed and purified from Escherichia coli cultures and injected intraperitoneally (12 lg of purified DnaJ/fish) into fingerling channel catfish. In addition, induced (expressing the recombinant DnaJ) and uninduced (no recombinant protein being produced) E. coli cultures were also used to immunize fish. At 28 d postimmunization, antibody response was evaluated and the …
Production Characteristics And Body Composition Of Juvenile Cobia Fed Three Different Commercial Diets In Recirculating Aquaculture Systems, Charles R. Weirich, Paul S. Wills, Richard M. Baptiste, Marty A. Riche
Production Characteristics And Body Composition Of Juvenile Cobia Fed Three Different Commercial Diets In Recirculating Aquaculture Systems, Charles R. Weirich, Paul S. Wills, Richard M. Baptiste, Marty A. Riche
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The effect of feeding three commercial diets on production characteristics and body composition of juvenile cobia Rachycentron canadum reared using recirculating aquaculture systems (RASs) was assessed in a 56-d growth trial. Juvenile cobia (mean weight ± SE, 29.2 ± 0.7 g) were stocked into three 8-m3 tanks in each of four RASs at an initial density of 1.2 kg/m3. After stocking, fish were fed one of three commercial diets: Hybrid Striped Bass diet (HSB; 44% protein, 12% lipid), Finfish Gold diet (GOLD; 42% protein, 16% lipid), or Marine Grower diet (MG; 50% protein, 15% lipid), all at …
Effects Of Prescribed Fire And Herbicide Application On Cattle Grazing And Herbage Production From Yellow Bluestem Pastures, S. A. Gunter, R. L. Gillen
Effects Of Prescribed Fire And Herbicide Application On Cattle Grazing And Herbage Production From Yellow Bluestem Pastures, S. A. Gunter, R. L. Gillen
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Forage management practices influence the quantity and quality of forage available to grazing cattle. The objectives of this experiment were to determine the effects of prescribed fire or herbicides on the density of forbs, the production and nutritive value of the herbage, and the performance of beef steers grazing Yellow bluestem [Bothriochloa ischaemum (L.) Keng var. ischaemum (Hack.) Celarier and Harlan] pastures. The experiment was conducted in northwestern Oklahoma from 1998 through 2000, and the untreated pastures (control) were not burned or sprayed. The prescribed-fire treatment (PFT) occurred annually between March 27 and April 10. The herbicide treatment (HT) consisted …
Comparison Of Broiler Litter And Commercial Fertilizer At Equivalent N Rates On Soil Properties, Ardeshir Adeli, Haile Tewolde, Karamat Sistani, Dennis Rowe
Comparison Of Broiler Litter And Commercial Fertilizer At Equivalent N Rates On Soil Properties, Ardeshir Adeli, Haile Tewolde, Karamat Sistani, Dennis Rowe
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
A 3-year study was conducted to determine the effects of broiler litter relative to inorganic fertilizer on soil nutrient content and quality in an upland Loring silt loam soil. Treatments included annual broiler litter rates of 0, 2.2, 4.5, 5.6, 6.7, 10.1, and 13.4 Mg ha−1 y−1 and commercial fertilizer rates of 34, 68, 90, 112, 134, and 168 kg nitrogen (N) ha−1 y−1. Broiler litter application linearly increased soil total carbon (C), microbial biomass C, extractable soil phosphorus (P), potassium (K), soil cation exchange capacity (CEC), and the stability of soil aggregate. At the …
Overseeding Unimproved Warm-Season Pasture With Cool- And Warm-Season Legumes To Enhance Forage Productivity, P. W. Bartholomew, R. D. Williams
Overseeding Unimproved Warm-Season Pasture With Cool- And Warm-Season Legumes To Enhance Forage Productivity, P. W. Bartholomew, R. D. Williams
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Overseeding forage legumes into existing warm-season pasture may help to reduce cool-season forage deficit on small and resource-limited small farms in the southern Great Plains of the United States. Unimproved warm-season grass pastures were overseeded with Korean lespedeza (Lespedeza stipulacea Maxim) were not overseeded with summer legume. These same plots were subsequently overseeded with hairy vetch (Vicia villosa Roth), crownvetch (Coronilla varia L.), black medic (Medicago lupulina L.) or ladino white clover (Trifolium repens L.) or, not overseeded with cool-season legume. Including lespedeza in a forage mixture increased total forage yield by an average of …
Toward A Whole-Landscape Approach For Sustainable Land Use In The Tropics, R. Defries, C. Rosenzweig
Toward A Whole-Landscape Approach For Sustainable Land Use In The Tropics, R. Defries, C. Rosenzweig
United States National Aeronautics and Space Administration: Publications
Increasing food production and mitigating climate change are two primary but seemingly contradictory objectives for tropical landscapes. This special feature examines synergies and trade-offs among these objectives. Four themes emerge from the papers: the important roles of both forest and agriculture sectors for climate mitigation in tropical countries; the minor contribution from deforestation-related agricultural expansion to overall food production at global and continental scales; the opportunities for synergies between improved food production and reductions in greenhouse gas emissions through diversion of agricultural expansion to already-cleared lands, improved soil, crop, and livestock management, and agroforestry; and the need for targeted policy …
Regulation And Mindful Resident Care In Nursing Homes, Cathleen S. Colón-Emeric, Donde Ashmos Plowman, Donald Bailey, Kirsten Corazzini, Queen Utley-Smith, Natalie Ammarell, Mark Toles, Ruth Anderson
Regulation And Mindful Resident Care In Nursing Homes, Cathleen S. Colón-Emeric, Donde Ashmos Plowman, Donald Bailey, Kirsten Corazzini, Queen Utley-Smith, Natalie Ammarell, Mark Toles, Ruth Anderson
Department of Management: Faculty Publications
Regulatory oversight is intended to improve the health outcomes of nursing home residents, yet evidence suggests that regulations can inhibit mindful staff behaviors that are associated with effective care. We explored the influence of regulations on mindful staff behavior as it relates to resident health outcomes, and offer a theoretical explanation of why regulations sometimes enhance mindfulness and other times inhibit it. We analyzed data from an in-depth, multiple-case study including field notes, interviews, and documents collected in eight nursing homes. We completed a conceptual/thematic description using the concept of mindfulness to reframe the observations. Shared facility mission strongly impacted …
Zebulon Pike: Great American Explorer Or Climate Spy?, Merlin P. Lawson, Randall Cerveny, Cary Mock
Zebulon Pike: Great American Explorer Or Climate Spy?, Merlin P. Lawson, Randall Cerveny, Cary Mock
Department of Earth and Atmospheric Sciences: Faculty Publications
Zebulon Pike is known in history books as one of America’s heroes—a great explorer whose adventures in the American West rivaled the Lewis and Clark Expedition and who became the namesake for Colorado’s Pike’s Peak. But what if the history books got it wrong, and Pike was actually not the hero everyone thinks he is? What if he was actually a spy carrying out a secret mission, or a scoundrel interested in overthrowing the American government and helping to carve a new empire out of the North American Southwest? Evidence from Pike’s famed expedition in 1806-1807 points to the possibility …
Responders And Non-Responders To Probiotic Interventions, Gregor Reid, Estelle Gaudier, Francisco Guarner, Gary B. Huffnagle, Jean M. Macklaim, Alicia Murcia Munoz, Margaret Martini, Tamar Ringel-Kulka, Balfor R. Sartor, Robert R. Unal, Kristin Verbeke, Jens Walter
Responders And Non-Responders To Probiotic Interventions, Gregor Reid, Estelle Gaudier, Francisco Guarner, Gary B. Huffnagle, Jean M. Macklaim, Alicia Murcia Munoz, Margaret Martini, Tamar Ringel-Kulka, Balfor R. Sartor, Robert R. Unal, Kristin Verbeke, Jens Walter
Department of Food Science and Technology: Faculty Publications
As with many clinical studies, trials using probiotics have shown clearly that some patients benefit from the treatment while others do not. For example if treatment with probiotics leads to 36% cure rate of diarrhea, why did the other 64% not have the same result? The issue is important for human and indeed experimental animal studies for two main reasons: (i) Would changing the design of the study result in more subjects responding to treatment? (ii) If a subject does not respond what are the mechanistic reasons? In order to tackle the issue of responders and non-responders to therapy, a …
Migration Of Northern Yellowstone Elk: Implications Of Spatial Structuring, P. J. White, Kelly M. Proffitt, L. David Mech, Shaney B. Evans, Julie A. Cunningham, Kenneth L. Hamlin
Migration Of Northern Yellowstone Elk: Implications Of Spatial Structuring, P. J. White, Kelly M. Proffitt, L. David Mech, Shaney B. Evans, Julie A. Cunningham, Kenneth L. Hamlin
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Migration can enhance survival and recruitment of mammals by increasing access to higher-quality forage or reducing predation risk, or both. We used telemetry locations collected from 140 adult female elk during 2000– 2003 and 2007–2008 to identify factors influencing the migration of northern Yellowstone elk. Elk wintered in 2 semidistinct herd segments and migrated 10–140 km to at least 12 summer areas in Yellowstone National Park (YNP) and nearby areas of Montana. Spring migrations were delayed after winters with increased snow pack, with earlier migration in years with earlier vegetation green-up. Elk wintering at lower elevations outside YNP migrated an …
Neuroaids In Africa, Kevin Robertson, Jeff Liner, James Hakim, Jean-Louis Sankalé, Igor Grant, Scott Letendre, David Clifford, Amadou Gallo Diop, Assan Jaye, Georgette Kanmogne, Alfred Njamnshi, T. Dianne Langford, Tufa Gemechu Weyessa, Charles Wood, Mwanza Banda, Mina Hosseinipour, Ned Sacktor, Noeline Nakasuja, Paul Bangirana, Robert Paul, John Joska, Joseph Wong, Michael Boivin, Penny Holding, Betsy Kammerer, Annelies Van Rie, Prudence Ive, Avindra Nath, Kathy Lawler, Clement Adebamowo, Walter Royal Iii, Jeymohan Joseph
Neuroaids In Africa, Kevin Robertson, Jeff Liner, James Hakim, Jean-Louis Sankalé, Igor Grant, Scott Letendre, David Clifford, Amadou Gallo Diop, Assan Jaye, Georgette Kanmogne, Alfred Njamnshi, T. Dianne Langford, Tufa Gemechu Weyessa, Charles Wood, Mwanza Banda, Mina Hosseinipour, Ned Sacktor, Noeline Nakasuja, Paul Bangirana, Robert Paul, John Joska, Joseph Wong, Michael Boivin, Penny Holding, Betsy Kammerer, Annelies Van Rie, Prudence Ive, Avindra Nath, Kathy Lawler, Clement Adebamowo, Walter Royal Iii, Jeymohan Joseph
Nebraska Center for Virology: Faculty Publications
In July 2009, the Center for Mental Health Research on AIDS at the National Institute of Mental Health organized and supported the meeting “NeuroAIDS in Africa.” This meeting was held in Cape Town, South Africa, and was affiliated with the 5th IAS Conference on HIV Pathogenesis, Treatment and Prevention. Presentations began with an overview of the epidemiology of HIV in sub-Saharan Africa, the molecular epidemiology of HIV, HIV-associated neurocognitive disorders (HANDs), and HAND treatment. These introductory talks were followed by presentations on HAND research and clinical care in Botswana, Cameroon, Ethiopia, The Gambia, Kenya, Malawi, Nigeria, Senegal, South Africa, Uganda, …
Purification Of Parvalbumin From Carp: A Protocol That Avoids Heat Treatment, Stef J. Koppelman, Roland A. Romijn, Harmen H. J. De Jongh, Julie A. Nordlee, Sander Piersma, Martin Hessing, Steve L. Taylor
Purification Of Parvalbumin From Carp: A Protocol That Avoids Heat Treatment, Stef J. Koppelman, Roland A. Romijn, Harmen H. J. De Jongh, Julie A. Nordlee, Sander Piersma, Martin Hessing, Steve L. Taylor
Department of Food Science and Technology: Faculty Publications
Parvalbumin from carp, a major allergen,was purified to homogeneity using ion exchange chromatography and size exclusion chromatography (estimated purity > 95% to 98% based on SDS-PAGE and native PAGE) with a yield of 318 mg, and a number of basic biochemical characteristics were determined. The identity was confirmed by peptide-mass fingerprinting, and IgE-binding was demonstrated. The UV/Vis absorbance spectra were explained using the previously published amino acid sequences. Far UV-CD spectroscopy was used to confirm the folding character of parvalbumin. We conclude that parvalbumin from carp can be purified on a comparatively large (hundreds of milligrams) scale using a purification protocol …
The Polypeptide Syn67 Interacts Physically With Human Holocarboxylase Synthetase, But Is Not A Target For Biotinylation, Yousef I. Hassan, Hideaki Moriyama, Janos Zempleni
The Polypeptide Syn67 Interacts Physically With Human Holocarboxylase Synthetase, But Is Not A Target For Biotinylation, Yousef I. Hassan, Hideaki Moriyama, Janos Zempleni
School of Biological Sciences: Faculty Publications
Holocarboxylase synthetase (HCS) catalyzes the binding of biotin to lysines in carboxylases and histones in two steps. First, HCS catalyzes the synthesis of biotinyl-5′-AMP; second, the biotinyl moiety is ligated to lysine residues. It has been proposed that step two is fairly promiscuous, and that protein biotinylation may occur in the absence of HCS as long as sufficient exogenous biotinyl-5′- AMP is provided. Here, we identified a novel polypeptide (Syn67) with a basic patch of lysines and arginines. Yeast-two-hybrid assays and limited proteolysis assays revealed that both N- and C-termini of HCS interact with Syn67. A potential target lysine in …
Predicting Successful Aging In A Population-Based Sample Of Georgia Centenarians, Jonathan Arnold, Jianliang Dai, Lusine Nahapetyan, Ankit Arte, Mary Ann Johnson, Dorothy Hausman, Willard L. Rodgers, Robert Hensley, Peter Martin, Maurice Macdonald, Adam Davey, Ilene C. Siegler, S. Michal Jazwinski, Leonard W. Poon
Predicting Successful Aging In A Population-Based Sample Of Georgia Centenarians, Jonathan Arnold, Jianliang Dai, Lusine Nahapetyan, Ankit Arte, Mary Ann Johnson, Dorothy Hausman, Willard L. Rodgers, Robert Hensley, Peter Martin, Maurice Macdonald, Adam Davey, Ilene C. Siegler, S. Michal Jazwinski, Leonard W. Poon
Department of Nutrition and Health Sciences: Faculty Publications
Used a population-based sample (Georgia Centenarian Study, GCS), to determine proportions of centenarians reaching 100 years as (1) survivors (43%) of chronic diseases first experienced between 0–80 years of age, (2) delayers (36%) with chronic diseases first experienced between 80–98 years of age, or (3) escapers (17%) with chronic diseases only at 98 years of age or older. Diseases fall into two morbidity profiles of 11 chronic diseases; one including cardiovascular disease, cancer, anemia, and osteoporosis, and another including dementia. Centenarians at risk for cancer in their lifetime tended to be escapers (73%), while those at risk for cardiovascular disease …
Horticulture Of Ribes, K. E. Hummer, A. Dale
Horticulture Of Ribes, K. E. Hummer, A. Dale
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The genus Ribes L., known as currants and gooseberries, contains more than 150 diverse species indigenous throughout the northern hemisphere and along the Rocky Mountain, Sierra Nevada and Sierra Madres in North America through mountain ranges of Central America to the Andes in South America. Beginning in the 1400s, four main crop types, black currants (Ribes, subgenus: Ribes, section: Botrycarpum), red and white currants (Ribes, subgenus: Ribes, section: Ribes) and gooseberries (Ribes, subgenus: Grossularia) were domesticated from European species. American and Eurasian species were selected and combined into …
Yeasts Associated With Nectarines And Their Potential For Biological Control Of Brown Rot, W. J. Janisiewicz, C. P. Kurtzman, J. S. Buyer
Yeasts Associated With Nectarines And Their Potential For Biological Control Of Brown Rot, W. J. Janisiewicz, C. P. Kurtzman, J. S. Buyer
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Resident fruit microflora has been the source of biocontrol agents for the control of postharvest decay of fruits and the active ingredient in commercialized biocontrol products. With the exception of grapes and apples, information on the resident microflora of other fruits is only fragmentary, but greater knowledge in this area can be very helpful in developing biocontrol strategies. We characterized the yeast microflora of nectarines (‘Croce del Sud’) from the early stages of fruit development until harvest. The fruit samples were collected from trees in an unmanaged orchard. The resident fruit microflora was separated from the occasionally deposited microorganisms by …
Yield, Quality, And Water And Nitrogen Use Of Durum And Annual Forages In Two-Year Rotations, A. W. Lenssen, S. D. Cash, P. G. Hatfield, U. M. Sainju, W. R. Grey, S. L. Blodgett, H. B. Goosey, D. A. Griffith, G. D. Johnson
Yield, Quality, And Water And Nitrogen Use Of Durum And Annual Forages In Two-Year Rotations, A. W. Lenssen, S. D. Cash, P. G. Hatfield, U. M. Sainju, W. R. Grey, S. L. Blodgett, H. B. Goosey, D. A. Griffith, G. D. Johnson
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Annual spring-seeded forage crops use less water than cereal grains, including durum (Triticum turgidum L. var. durum), and may be suitable to replace summer fallow. We conducted an experiment from 2002 through 2006 comparing yield, quality, and water and N use of durum and three annual forages, barley (Hordeum vulgare L.), barley interseeded with pea [Pisum sativum L. ssp. arvense (L.) Poir.], and foxtail millet [Setaria italica (L.) Beauv.] in 2-yr rotations. Durum in rotation with summer fallow and alfalfa (Medicago sativa L.) were included. Averaged over 5 yr, alfalfa had higher forage yield …
Litter–Carbon Dynamics: The Importance Of Decomposition, Accretion, And Sequestration In Understanding Ecosystem Carbon Cycling, Amy Kochsiek
School of Biological Sciences: Dissertations, Theses, and Student Research
The atmospheric CO2 concentration has been increasing since the industrial revolution. A proposed mitigation strategy is sequestering carbon (C) in terrestrial ecosystems, either in plant biomass or soil organic matter. The litter-C pool is the second largest C pool in agroecosystems post-harvest, and the amount of litter-C loss has been correlated with ecosystem respiration. Yet, the potential importance of the litter pool as one of the major C pools in a system is relatively unknown. We do, however, know that the size of the litter pool can be affected by increases or decreases in both litter-C production and decomposition, …
5th International Galliformes Symposium (November 7-10, 2010 : Chiang Mai, Thailand): Abstract Book, Tommaso Savini, Simon D. Dowell
5th International Galliformes Symposium (November 7-10, 2010 : Chiang Mai, Thailand): Abstract Book, Tommaso Savini, Simon D. Dowell
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Conserving Galliformes: What we need to do, Philip J. K. McGowan
The Galliformes Specialist Group, Peter J. Garson and Ilse Storch
Session 1: Conservation in Thailand, Chair: Tommaso Savini
Wildlife conservation status in Thailand: The elephant's case study, Mattana Srikrajang
The Galliformes studies and research problems in Thailand, Wina Meckvichai
Session 2: Galliformes Research and Conservation in Thailand, Chair: Wina Meckvichai
Ranging ecology of Siamese fireback (Lophura diardi) in submontane forest, Niti Sukumal, George A. Gale, and Tommaso Savini
Nesting behaviour and nest site selection of scaly-breasted partridge in Mo Singto Research Plot, Thailand, Tiwa Ong-in, George Gale, …