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Articles 6151 - 6180 of 6458
Full-Text Articles in Life Sciences
Development And Application Of Methods Used To Source Prehistoric Southwestern Maize: A Review, Larry Benson
Development And Application Of Methods Used To Source Prehistoric Southwestern Maize: A Review, Larry Benson
United States Geological Survey: Staff Publications
Archaeological cobs free of mineral contaminants should be used to source the soils in which they were grown. Mineral contaminants often contain much higher concentrations of metals than vegetal materials and can alter a cob’s apparent metal and heavy-isotope content. Cleaning a cob via immersion in an acid solution for more than a few minutes will result in the incongruent and sometimes complete leaching of metals, including strontium (Sr), from the cob. When using 87Sr/86Sr to determine the location of potential agriculture fields, it is best to either integrate several depth-integrated soil samples or to integrate several …
Glycosyl-Phosphatidylinositol (Gpi)-Anchored Membrane Association Of The Porcine Reproductive And Respiratory Syndrome Virus Gp4 Glycoprotein And Its Co-Localization With Cd163 In Lipid Rafts, Yijun Du, Asit K. Pattnaik, Cheng Song, Dongwan Yoo, Gang Li
Glycosyl-Phosphatidylinositol (Gpi)-Anchored Membrane Association Of The Porcine Reproductive And Respiratory Syndrome Virus Gp4 Glycoprotein And Its Co-Localization With Cd163 In Lipid Rafts, Yijun Du, Asit K. Pattnaik, Cheng Song, Dongwan Yoo, Gang Li
School of Veterinary and Biomedical Sciences: Faculty Publications
The porcine reproductive and respiratory syndrome virus (PRRSV) glycoprotein 4 (GP4) resembles a typical type I membrane protein in its structure but lacks a hydrophilic tail at the C-terminus, suggesting that GP4 may be a lipid-anchored membrane protein. Using the human decay-accelerating factor (DAF; CD55), a known glycosyl-phosphatidylinositol (GPI) lipid-anchored protein, chimeric constructs were made to substitute the GPI-anchor domain of DAF with the putative lipid-anchor domain of GP4, and their membrane association and lipase cleavage were determined in cells. The DAF-GP4 fusion protein was transported to the plasma membrane and was cleaved by phosphatidylinositol-specific phospholipase C (PI-PLC), indicating that …
Fusion Of A Fluorescent Protein To The Pul25 Minor Capsid Protein Of Pseudorabies Virus Allows Live-Cell Capsid Imaging With Negligible Impact On Infection, Kevin P. Bohannon, Patricia J. Sollars, Gary E. Pickard, Gregory A. Smith
Fusion Of A Fluorescent Protein To The Pul25 Minor Capsid Protein Of Pseudorabies Virus Allows Live-Cell Capsid Imaging With Negligible Impact On Infection, Kevin P. Bohannon, Patricia J. Sollars, Gary E. Pickard, Gregory A. Smith
School of Veterinary and Biomedical Sciences: Faculty Publications
In order to resolve the location and activity of submicroscopic viruses in living cells, viral proteins are often fused to fluorescent proteins (FPs) and visualized by microscopy. In this study, we describe the fusion of FPs to three proteins of pseudorabies virus (PRV) that allowed imaging of capsids in living cells. Included in this study are the first recombinant PRV strains expressing FP–pUL25 fusions based on a design applied to herpes simplex virus type 1 by Homa and colleagues. The properties of each reporter virus were compared in both in vitro and in vivo infection models. PRV strains expressing FP–pUL25 …
Antibody Responses To Lytic And Latent Human Herpesvirus 8 Antigens Among Hiv-Infected Patients In Central China, Tiejun Zhang, Na He, Yingying Ding, Qingwu Jiang, Charles Wood
Antibody Responses To Lytic And Latent Human Herpesvirus 8 Antigens Among Hiv-Infected Patients In Central China, Tiejun Zhang, Na He, Yingying Ding, Qingwu Jiang, Charles Wood
Nebraska Center for Virology: Faculty Publications
Human herpesvirus 8 (HHV8) is an important opportunistic infection of HIV/AIDS. However, very little is known about antibody seropositivities to HHV8 lytic and latent antigens among HIVinfected patients in China. Therefore, a cross-sectional study was conducted to explore HHV8 serostatus among 316 HIV-infected patients in a rural area of central China. The antibody seropositivity to HHV8 ORF65 (lytic) and LANA (latent) antigens was 12.7% and 10.4%, respectively. Patients who were naïve to antiretroviral therapy (ART) were more likely to be seropositive for antibodies to ORF65 (OR: 3.79; 95% CI: 1.71–8.42) and LANA (OR: 3.77; 95% CI: 1.55–9.14) than patients receiving …
Profitable Farms And Woodlands: A Practical Guide In Agroforestry For Landowners, Farmers And Ranchers, J. O. Idassi
Profitable Farms And Woodlands: A Practical Guide In Agroforestry For Landowners, Farmers And Ranchers, J. O. Idassi
United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications
This handbook is part of an interdisciplinary, interinstitutional and comprehensive effort to develop a practical guide to assist underserved and limited resource small farmers and woodland owners to adopt best management technologies in agroforestry. Funding for this effort was provided through the USDA National Agroforestry Center (NAC) from the US Forest Service and the Natural Resources Conservation Service (NRCS) under cooperative agreement number 68-7482-7-361 with Tennessee State University, Cooperative Extension Program and the 1890/1862 Agroforestry Team.
This guide was prepared by an agroforestry team of research and extension specialists from the 1862 and 1890 Land Grant Universities in collaboration with …
Agroforestry: Accounting For Windbreak's Climate Change Contributions, Michele Schoeneberger, Jim Brandle, Xinhua Zhou, John Kort, Tom Sauer
Agroforestry: Accounting For Windbreak's Climate Change Contributions, Michele Schoeneberger, Jim Brandle, Xinhua Zhou, John Kort, Tom Sauer
United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications
No abstract provided.
Heme Oxygenase-1 Regulates The Immune Response To Influenza Virus Infection And Vaccination In Aged Mice, Nathan W. Cummins, Eric A. Weaver, Shannon M. May, Anthony J. Croatt, Oded Foreman, Richard B. Kennedy, Gregory A. Polan, Michael A. Barry, Karl A. Nath, Andrew D. Badley
Heme Oxygenase-1 Regulates The Immune Response To Influenza Virus Infection And Vaccination In Aged Mice, Nathan W. Cummins, Eric A. Weaver, Shannon M. May, Anthony J. Croatt, Oded Foreman, Richard B. Kennedy, Gregory A. Polan, Michael A. Barry, Karl A. Nath, Andrew D. Badley
Nebraska Center for Virology: Faculty Publications
Underlying mechanisms of individual variation in severity of influenza infection and response to vaccination are poorly understood. We investigated the effect of reduced heme oxygenase-1 (HO-1) expression on vaccine response and outcome of influenza infection. HO-1-deficient and wild-type (WT) mice (kingdom, Animalia; phylum, Chordata; genus/species, Mus musculus) were infected with influenza virus A/PR/8/34 with or without prior vaccination with an adenoviral-based influenza vaccine. A genome-wide association study evaluated the expression of single-nucleotide polymorphisms (SNPs) in the HO-1 gene and the response to influenza vaccination in healthy humans. HO-1-deficient mice had decreased survival after influenza infection compared to WT mice (median …
Use Of Real-Time Pcr To Detect Canine Parvovirus In Feces Of Free-Ranging Wolves, L. David Mech, Emily S. Almberg, Douglas Smith, Sagar Goyal, Randall S. Singer
Use Of Real-Time Pcr To Detect Canine Parvovirus In Feces Of Free-Ranging Wolves, L. David Mech, Emily S. Almberg, Douglas Smith, Sagar Goyal, Randall S. Singer
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Using real-time PCR, we tested 15 wolf (Canis lupus) feces from the Superior National Forest (SNF), Minnesota, USA, and 191 from Yellowstone National Park (YNP), USA, collected during summer and 13 during winter for canine parvovirus (CPV)-2 DNA. We also tested 20 dog feces for CPV-2 DNA. The PCR assay was 100%sensitive and specific with a minimum detection threshold of 104 50% tissue culture infective dose. Virus was detected in two winter specimens but none of the summer specimens. We suggest applying the technique more broadly especially with winter feces.
The Relationship Between Male Moth Density And Female Mating Success In Invading Populations Of Lymantria Dispar, Patrick C. Tobin, Ksenia S. Onufrieva, Kevin W. Thorpe
The Relationship Between Male Moth Density And Female Mating Success In Invading Populations Of Lymantria Dispar, Patrick C. Tobin, Ksenia S. Onufrieva, Kevin W. Thorpe
United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications
The successful establishment of non-native species in new areas can be affected by many factors including the initial size of the founder population. Populations comprised of fewer individuals tend to be subject to stochastic forces and Allee effects (positive-density dependence), which can challenge the ability of small founder populations to establish in a new area. Although the conceptual relationship between initial colony size and establishment success has been previously documented, it is not trivial to estimate precisely the colony size needed to ensure colony persistence. Over the last 40 years, there have been many studies on the probability of mating …
Interleukin-6 Control Of Early Theiler’S Murine Encephalomyelitis Virus Replication In Macrophages Occurs In Conjunction With Stat1 Activation And Nitric Oxide Production., Tyler C. Moore, Katherine L. Bush, Deborah M. Brown, Thomas M. Petro
Interleukin-6 Control Of Early Theiler’S Murine Encephalomyelitis Virus Replication In Macrophages Occurs In Conjunction With Stat1 Activation And Nitric Oxide Production., Tyler C. Moore, Katherine L. Bush, Deborah M. Brown, Thomas M. Petro
Nebraska Center for Virology: Faculty Publications
During Theiler’s virus (TMEV) infection of macrophages it is thought that high IL-6 levels contribute to demyelinating disease found in chronically infected SJL/J mice but absent in B10.S mice capable of clearing the infection. Therefore, IL-6 expression was measured in TMEV-susceptible SJL/J and TMEV-resistant B10.S macrophages during their infection with TMEV DA strain or responses to LPS or poly I:C. Unexpectedly, IL-6 production was greater in B10.S macrophages than SJL/J macrophages during the first 24 h after stimulation with TMEV, LPS or poly I:C. Further experiments showed that in B10.S, SJL/J, and RAW264.7 macrophage cells, IL-6 expression was dependent on …
Evaluation Of Monoclonal Antibody–Based Immunohistochemistry For The Detection Of European And North American Porcine Reproductive And Respiratory Syndrome Virus And A Comparison With In Situ Hybridization And Reverse Transcription Polymerase Chain Reaction, Kiwon Han, Hwi Won Seo, Yeonsu Oh, Ikjae Kang, Changhoon Park, Sang Hoon Kang, Sung-Hoon Kim, Bog-Hieu Lee, Byung Joon Kwon, Chanhee Chae
Evaluation Of Monoclonal Antibody–Based Immunohistochemistry For The Detection Of European And North American Porcine Reproductive And Respiratory Syndrome Virus And A Comparison With In Situ Hybridization And Reverse Transcription Polymerase Chain Reaction, Kiwon Han, Hwi Won Seo, Yeonsu Oh, Ikjae Kang, Changhoon Park, Sang Hoon Kang, Sung-Hoon Kim, Bog-Hieu Lee, Byung Joon Kwon, Chanhee Chae
Nebraska Center for Virology: Faculty Publications
The objective of the present study was to compare the ability of 2 monoclonal antibodies (mAbs; SDOW17 and SR30) to detect types 1 and 2 Porcine reproductive and respiratory syndrome virus (PRRSV) in formalin-fixed, paraffin-embedded (FFPE) lung tissues by immunohistochemistry (IHC) and to compare the immunohistochemical results with in situ hybridization (ISH) and reverse transcription nested polymerase chain reaction (RT-nPCR) detection techniques. Lungs from 30 experimentally infected pigs (15 pigs with each genotype of PRRSV) and 20 naturally infected pigs (10 pigs with each genotype of PRRSV) with types 1 and 2 PRRSV, respectively, were used for the IHC, ISH, …
Chloroviruses: Not Your Everyday Plant Virus, James L. Van Etten, David D. Dunigan
Chloroviruses: Not Your Everyday Plant Virus, James L. Van Etten, David D. Dunigan
Nebraska Center for Virology: Faculty Publications
Viruses infecting higher plants are among the smallest viruses known and typically have four to ten protein-encoding genes. By contrast, many viruses that infect algae (classified in the virus family Phycodnaviridae) are among the largest viruses found to date and have up to 600 protein- encoding genes. This brief review focuses on one group of plaque-forming phycodnaviruses that infect unicellular chlorella-like green algae. The prototype chlorovirus PBCV-1 has more than 400 protein-encoding genes and 11 tRNA genes. About 40% of the PBCV-1 encoded proteins resemble proteins of known function including many that are completely unexpected for a virus. In many …
Molecular Genetic And Biochemical Characterization Of The Vaccinia Virus I3 Protein, The Replicative Single-Stranded Dna Binding Protein, Matthew D. Greseth, Kathleen A. Boyle, Matthew S. Bluma, Bethany Unger, Matthew S. Wiebe, Jamaria A. Soares-Martins, Nadi T. Wickramasekera, James Wahlberg, Paula Traktman
Molecular Genetic And Biochemical Characterization Of The Vaccinia Virus I3 Protein, The Replicative Single-Stranded Dna Binding Protein, Matthew D. Greseth, Kathleen A. Boyle, Matthew S. Bluma, Bethany Unger, Matthew S. Wiebe, Jamaria A. Soares-Martins, Nadi T. Wickramasekera, James Wahlberg, Paula Traktman
Nebraska Center for Virology: Faculty Publications
Vaccinia virus, the prototypic poxvirus, efficiently and faithfully replicates its approximately 200-kb DNA genome within the cytoplasm of infected cells. This intracellular localization dictates that vaccinia virus encodes most, if not all, of its own DNA replication machinery. Included in the repertoire of viral replication proteins is the I3 protein, which binds to single-stranded DNA (ssDNA) with great specificity and stability and has been presumed to be the replicative ssDNA binding protein (SSB). We substantiate here that I3 colocalizes with bromodeoxyuridine (BrdU)-labeled nascent viral genomes and that these genomes accumulate in cytoplasmic factories that are delimited by membranes derived from …
Copper–Zinc Superoxide Dismutase-Deficient Mice Show Increased Susceptibility To Experimental Autoimmune Encephalomyelitis Induced With Myelin Oligodendrocyte Glycoprotein 35–55, Chandirasegara Massilamany, Arunakumar Gangaplara, Heejeong Kim, Charlotte Standord, Govardhan Rathnaiah, David Steffen, Jaekwon Lee, Jay Reddy
Copper–Zinc Superoxide Dismutase-Deficient Mice Show Increased Susceptibility To Experimental Autoimmune Encephalomyelitis Induced With Myelin Oligodendrocyte Glycoprotein 35–55, Chandirasegara Massilamany, Arunakumar Gangaplara, Heejeong Kim, Charlotte Standord, Govardhan Rathnaiah, David Steffen, Jaekwon Lee, Jay Reddy
School of Veterinary and Biomedical Sciences: Faculty Publications
In this report, we have addressed the role of copper–zinc superoxide dismutase (SOD1) deficiency in the mediation of central nervous system autoimmunity. We demonstrate that SOD1-deficient C57Bl/6 mice develop more severe autoimmune encephalomyelitis induced with myelin oligodendrocyte glycoprotein (MOG) 35–55, compared with wild type mice. This alteration in the disease phenotype was not due to aberrant expansion of MOG-specific T cells nor their ability to produce inflammatory cytokines; rather lymphocytes generated in SOD1-deficient mice were more prone to spontaneous cell death when compared with their wild type littermate controls. The data point to a role for SOD1 in the maintenance …
A Mutagenesis-Derived Broad-Spectrum Disease Resistance Locus In Wheat, Jackie Campbell, Hongtao Zhang, Michael J. Giroux, Leila Feiz, Yue Jin, Meinan Wang, Xianming Chen, Li Huang
A Mutagenesis-Derived Broad-Spectrum Disease Resistance Locus In Wheat, Jackie Campbell, Hongtao Zhang, Michael J. Giroux, Leila Feiz, Yue Jin, Meinan Wang, Xianming Chen, Li Huang
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Wheat leaf rust, stem rust, stripe rust, and powdery mildew caused by the fungal pathogens Puccinia triticina, P. graminis f. sp. tritici, P. striiformis f. sp. tritici, and Blumeria graminis f. sp. tritici, respectively, are destructive diseases of wheat worldwide. Breeding durable disease resistance cultivars rely largely on continually introgressing new resistance genes, especially the genes with different defense mechanisms, into adapted varieties. Here, we describe a new resistance gene obtained by mutagenesis. The mutant, MNR220 (mutagenesis-derived new resistance), enhances resistance to three rusts and powdery mildew, with the characteristics of delayed disease …
Effects Of Glycerol And Creatine Hyperhydration On Doping-Relevant Blood Parameters, Thelma P. Polyviou, Chris Easton, Lukas Beis, Dalia Malkova, Pantazis Takas, Cathertine Hambly, John R. Speakman, Karsten Koehler, Yannis P. Pitsiladis
Effects Of Glycerol And Creatine Hyperhydration On Doping-Relevant Blood Parameters, Thelma P. Polyviou, Chris Easton, Lukas Beis, Dalia Malkova, Pantazis Takas, Cathertine Hambly, John R. Speakman, Karsten Koehler, Yannis P. Pitsiladis
Department of Nutrition and Health Sciences: Faculty Publications
Glycerol is prohibited as an ergogenic aid by the World Anti-Doping Agency (WADA) due to the potential for its plasma expansion properties to have masking effects. However, the scientific basis of the inclusion of Gly as a “masking agent” remains inconclusive. The purpose of this study was to determine the effects of a hyperhydrating supplement containing Gly on doping-relevant blood parameters. Nine trained males ingested a hyperhydrating mixture twice per day for 7 days containing 1.0 g·kg−1 body mass (BM) of Gly, 10.0 g of creatine and 75.0 g of glucose. Blood samples were collected and total hemoglobin (Hb) …
Regulation Of Expression Of Citrate Synthase By The Retinoic Acid Receptor-Related Orphan Receptor A (Rorα), Christine Crumbley, Yongjun Wang, Subhashis Banerjee, Thomas P. Burris
Regulation Of Expression Of Citrate Synthase By The Retinoic Acid Receptor-Related Orphan Receptor A (Rorα), Christine Crumbley, Yongjun Wang, Subhashis Banerjee, Thomas P. Burris
Department of Nutrition and Health Sciences: Faculty Publications
The retinoic acid receptor-related orphan receptor α (RORα) is a member of the nuclear receptor superfamily of transcription factors that plays an important role in regulation of the circadian rhythm and metabolism. Mice lacking a functional RORα display a range of metabolic abnormalities including decreased serum cholesterol and plasma triglycerides. Citrate synthase (CS) is a key enzyme of the citric acid cycle that provides energy for cellular function. Additionally, CS plays a critical role in providing citrate derived acetyl-CoA for lipogenesis and cholesterologenesis. Here, we identified a functional RORα response element (RORE) in the promoter of the CS gene. ChIP …
Regulation Of P53 Stability And Apoptosis By A Ror Agonist, Yongjun Wang, Laura A. Solt, Douglas J. Kojetin, Thomas P. Burris
Regulation Of P53 Stability And Apoptosis By A Ror Agonist, Yongjun Wang, Laura A. Solt, Douglas J. Kojetin, Thomas P. Burris
Department of Nutrition and Health Sciences: Faculty Publications
Activation of p53 function leading to cell-cycle arrest and/or apoptosis is a promising strategy for development of anticancer therapeutic agents. Here, we describe a novel mechanism for stabilization of p53 protein expression via activation of the orphan nuclear receptor, RORa. We demonstrate that treatment of cancer cells with a newly described synthetic ROR agonist, SR1078, leads to p53 stabilization and induction of apoptosis. These data suggest that synthetic ROR agonists may hold utility in the treatment of cancer.
Rabies In North America: A Model Of The One Health Approach, Kurt C. Vercauteren, Christine Ellis, Richard Chipman, Thomas J. Deliberto, Stephanie A. Shwiff, Dennis Slate
Rabies In North America: A Model Of The One Health Approach, Kurt C. Vercauteren, Christine Ellis, Richard Chipman, Thomas J. Deliberto, Stephanie A. Shwiff, Dennis Slate
United States Department of Agriculture Wildlife Services: Staff Publications
The One Health concept merges environmental, wildlife, domestic animal, and human health into a global, interconnected context. Though recently a popular catchphrase due to the emergence and reemergence of diseases such as foot-and-mouth disease (FMD), bluetongue, bovine spongiform encephalopathy (BSE), Q Fever, Rift Valley fever, Nipah virus, West Nile virus (WNV), severe acute respiratory syndrome (SARS), highly pathogenic H5N1 avian influenza, and plague, the One Health concept is not new. The One Health approach to managing infectious diseases aims to promote and implement meaningful collaboration and communication between multiple allied disciplines working locally, nationally, and internationally to attain optimal health …
Four Events Of Host Switching In Aspidoderidae (Nematoda) Involve Convergent Lineages Of Mammals, F. Agustin Jimenez Ruiz, Scott Lyell Gardner, Graciela Teresa Navone
Four Events Of Host Switching In Aspidoderidae (Nematoda) Involve Convergent Lineages Of Mammals, F. Agustin Jimenez Ruiz, Scott Lyell Gardner, Graciela Teresa Navone
Harold W. Manter Laboratory of Parasitology: Faculty Publications
The Great American Interchange resulted in the mixing of faunistic groups with different origins and evolutionary trajectories that underwent rapid diversification in North and South America. As a result, groups of animals of recent arrival converged into similar habits and formed ecological guilds with some of the endemics. We present a reconstruction of the evolutionary events in Aspidoderidae, a family of nematodes that infect mammals that are part of this interchange, i.e., dasypodids, opossums, and sigmodontine, geomyid, and hystricognath rodents. By treating hosts as discrete states of character and using parsimony and Bayesian inferences to optimize these traits into the …
Using Three-Dimensional Flight Patterns At Airfields To Identify Hotspots For Avian-Aircraft Collisions, W. David Walter, Justin W. Fischer, John S. Humphrey, Trey S. Daughtery, Michael P. Milleson, Eric A. Tillman, Michael L. Avery
Using Three-Dimensional Flight Patterns At Airfields To Identify Hotspots For Avian-Aircraft Collisions, W. David Walter, Justin W. Fischer, John S. Humphrey, Trey S. Daughtery, Michael P. Milleson, Eric A. Tillman, Michael L. Avery
United States Department of Agriculture Wildlife Services: Staff Publications
In the United States, black vulture (Coragyps atratus) and turkey vulture (Cathartes aura) pose significant birdstrike risks to aircraft. Understanding flight behaviors of vultures in and around military and civilian airfields is necessary to alleviate these risks. Using satellite telemetry data collected from 11 black vultures and 7 turkey vultures equipped with Global Positioning System backpack harness technology, we collected data on location and altitude near the Marine Corps Air Station (MCAS) in Beaufort, South Carolina from September 2006 to September 2008. We used military aircraft flight landing patterns to visualize a new concept, a flight …
Four Events Of Host Switching In Aspidoderidae (Nematoda) Involve Convergent Lineages Of Mammals, F. Agustín Jiménez-Ruiz, Scott Lyell Gardner, Graciela Navone, Guillermo Ortí
Four Events Of Host Switching In Aspidoderidae (Nematoda) Involve Convergent Lineages Of Mammals, F. Agustín Jiménez-Ruiz, Scott Lyell Gardner, Graciela Navone, Guillermo Ortí
Harold W. Manter Laboratory of Parasitology: Faculty Publications
The Great American Interchange resulted in the mixing of faunistic groups with different origins and evolutionary trajectories that underwent rapid diversification in North and South America. As a result, groups of animals of recent arrival converged into similar habits and formed ecological guilds with some of the endemics. We present a reconstruction of the evolutionary events in Aspidoderidae, a family of nematodes that infect mammals that are part of this interchange, i.e., dasypodids, opossums, and sigmodontine, geomyid, and hystricognath rodents. By treating hosts as discrete states of character and using parsimony and Bayesian inferences to optimize these traits into the …
A New Genus And A New Species Of Cladorchiidae (Digenea: Dadayiinae) From Podocnemis Expansa (Chelonia) Of The Neotropical Region, State Of Pará, Brazil, Marcelo Knoff, Daniel Rusk Brooks, Maria Cristina Mullins, Delir Corrêa Gomes
A New Genus And A New Species Of Cladorchiidae (Digenea: Dadayiinae) From Podocnemis Expansa (Chelonia) Of The Neotropical Region, State Of Pará, Brazil, Marcelo Knoff, Daniel Rusk Brooks, Maria Cristina Mullins, Delir Corrêa Gomes
Harold W. Manter Laboratory of Parasitology: Faculty Publications
A new species of amphistome digenean from the stomach and intestine of Podocnemis expansa (Pelomedusidae), of the tropical rain forest, from the State of Pará, Brazil, is described and allocated to a new genus (Oriximinatrema noronhae). The new species is characterized by the presence of an esophageal bulb, an esophageal extension uncovered by an extension of the pharyngeal sacs, a well-developed cirrus sac, post-bifurcal genital sucker, a ventro-terminal acetabulum with an anterior lip, and medium-sized eggs. This is the first report of a Dadayiinae trematode infecting a reptilian host.
Return To Beringia: Parasites Reveal Cryptic Biogeographic History Of North American Pikas, Kurt E. Galbreath, Eric P. Hoberg
Return To Beringia: Parasites Reveal Cryptic Biogeographic History Of North American Pikas, Kurt E. Galbreath, Eric P. Hoberg
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Traditional concepts of the Bering Land Bridge as a zone of predominantly eastward expansion from Eurasia and a staging area for subsequent colonization of lower latitudes in North America led to early inferences regarding biogeographic histories of North American faunas, many of which remain untested. Here we apply a host–parasite comparative phylogeographical (HPCP) approach to evaluate one such history, by testing competing biogeographic hypotheses for five lineages of host-specific parasites shared by the collared pika (Ochotona collaris) and American pika (Ochotona princeps) of North America. We determine whether the southern host species (O. princeps) …
Discovery And Description Of A New Trichostrongyloid Species (Nematoda: Ostertagiinaw), Abomasal Parasites In Mountain Goat, Oreamnos Americanus, From The Western Cordillera Of North America [With Erratum], Eric P. Hoberg, Arthur Abrams, Patricia A. Pilitt, Emily J. Jenkins
Discovery And Description Of A New Trichostrongyloid Species (Nematoda: Ostertagiinaw), Abomasal Parasites In Mountain Goat, Oreamnos Americanus, From The Western Cordillera Of North America [With Erratum], Eric P. Hoberg, Arthur Abrams, Patricia A. Pilitt, Emily J. Jenkins
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Marshallagia lichtenfelsi sp. n. is a dimorphic ostertagiine nematode occurring in the abomasum of mountain goats, Oreamnos americanus, from the Western Cordillera of North America. Major and minor morphotype males and females are characterized and distinguished relative to the morphologically similar Marshallagia marshalli/Marshallagia occidentalis from North America and Marshallagia dentispicularis, along with other congeners, from the Palearctic region. The configuration of the convoluted and irregular synlophe in the cervical region of males and females of M. lichtenfelsi is apparently unique, contrasting with a continuous and parallel system of ridges among those species of Marshallagia, including …
Evolutionary History Of Caribbean Species Of Myotis, With Evidence Of A Third Lesser Antillean Endemic, Roxanne J. Larsen, Peter A. Larsen, Hugh H. Genoways, Francois M. Catzeflis, Keith Geluso, Gary G. Kwiecinski, Scott C. Pedersen, Fernando Simal
Evolutionary History Of Caribbean Species Of Myotis, With Evidence Of A Third Lesser Antillean Endemic, Roxanne J. Larsen, Peter A. Larsen, Hugh H. Genoways, Francois M. Catzeflis, Keith Geluso, Gary G. Kwiecinski, Scott C. Pedersen, Fernando Simal
University of Nebraska State Museum: Mammalogy Papers
Currently, four species of Myotis are known from the islands of the Caribbean (Myotis dominicensis, M. martiniquensis, M. nesopolus, and M. nigricans). Myotis dominicensis and M. martiniquensis are endemic to the Lesser Antilles, whereas M. nesopolus and M. nigricans are considered conspecific with mainland populations. Recent phylogenetic and phylogeographic studies provided hypotheses regarding the origin and diversification of M. dominicensis and M. martiniquensis. However, these studies focused primarily on convergent morphology or distribution patterns of this genus and not on the evolutionary history of Caribbean Myotis. Here, we explore variation across multiple datasets …
Bats Of Barbados, Hugh H. Genoways, Roxanne J. Larsen, Scott C. Pedersen, Gary G. Kwiecinski, Peter A. Larsen
Bats Of Barbados, Hugh H. Genoways, Roxanne J. Larsen, Scott C. Pedersen, Gary G. Kwiecinski, Peter A. Larsen
University of Nebraska State Museum: Mammalogy Papers
The chiropteran fauna of Barbados includes representatives of four families — Noctilionidae, Phyllostomidae, Vespertilionidae, and Molossidae — including 1 piscivore (Noctilio leporinus), 1 omnivore (Brachyphylla cavernarum), 1 pollenivore/nectarivore (Monophyllus plethodon), 1 frugivore (Artibeus jamaicensis), and 2 insectivorous species (Myotis nyctor and Molossus molossus). Despite an early report, we believe that preponderance of the evidence available at this time is that E. fuscus is not part of the fauna of Barbados. The Barbadian chiropteran fauna of 6 species is much smaller than those on the four neighboring Lesser Antillean islands to …
Examination Of Annual Variation In The Adult Sex Ratio Of Pronghorn (Antilocapra Americana), Justin D. Hoffman, Hugh H. Genoways
Examination Of Annual Variation In The Adult Sex Ratio Of Pronghorn (Antilocapra Americana), Justin D. Hoffman, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
The adult sex ratio (ASR) is an important component of a population’s demographics and can be used as an indicator of a population’s status. However, the causes of annual variation in ASRs are unknown for many species. Fluctuations in ASR can arise through demographic stochasticity and intense selective harvesting. In this study we investigate the longterm patterns of variation in the ASRs (bucks: 100 does) for four populations of pronghorn (Antilocapra americana) in western Nebraska. We used multiple variables in a model selection process to predict annual fluctuation of pronghorn ASRs. We found that the number of bucks: 100 does …
Coupled Electromagnetic And Heat Transfer Model For Microwave Heating In Domestic Ovens, Krishnamoorthy Pitchai, Sohan Birla, Jeyamkondan Subbiah, D. D. Jones, Harshanardhan Thippareddi
Coupled Electromagnetic And Heat Transfer Model For Microwave Heating In Domestic Ovens, Krishnamoorthy Pitchai, Sohan Birla, Jeyamkondan Subbiah, D. D. Jones, Harshanardhan Thippareddi
Department of Food Science and Technology: Faculty Publications
Microwave ovens are used extensively for heating a variety of not-ready-to-eat food products. Non-uniform heating of foods in microwave ovens is a major concern in assuring microbiological safety of such products. The non-uniform heating of foods is attributed by complex interaction of microwaves with foods. To understand this complex interaction, a comprehensive model was developed to solve coupled electromagnetic and heat transfer equations using finite-difference time-domain based commercial software. The simulation parameters, cell size, heating time step, and number of iterations for steady state electromagnetic field were optimized. The model was validated by 30 s heating profile of a cylindrical …
Distribution Of Genes And Repetitive Elements In The Diabrotica Virgifera Virgifera Genome Estimated Using Bac Sequencing, Brad S. Coates, Analiza P. Alves, Haichuan Wang, Kimberly K. O. Walden, B. Wade French, Nicholas J. Miller, Craig A. Abel, Hugh M. Robertson, Thomas W. Sappington, Blair D. Siegfried
Distribution Of Genes And Repetitive Elements In The Diabrotica Virgifera Virgifera Genome Estimated Using Bac Sequencing, Brad S. Coates, Analiza P. Alves, Haichuan Wang, Kimberly K. O. Walden, B. Wade French, Nicholas J. Miller, Craig A. Abel, Hugh M. Robertson, Thomas W. Sappington, Blair D. Siegfried
Department of Entomology: Faculty Publications
Feeding damage caused by the western corn rootworm, Diabrotica virgifera virgifera, is destructive to corn plants in North America and Europe where control remains challenging due to evolution of resistance to chemical and transgenic toxins. A BAC library, DvvBAC1, containing 109,486 clones with 104 ± 34.5 kb inserts was created, which has an ~4.56X genome coverage based upon a 2.58 Gb (2.80 pg) flow cytometry-estimated haploid genome size. Paired end sequencing of 1037 BAC inserts produced 1.17Mb of data (~0.05% genome coverage) and indicated ~9.4 and 16.0% of reads encode, respectively, endogenous genes and transposable elements (TEs). …