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Full-Text Articles in Medicine and Health Sciences

Analysis Of Unannotated Equine Transcripts Identified By Mrna Sequencing, Stephen J. Coleman, Zheng Zeng, Matthew S. Hestand, Jinze Liu, James N. Macleod Jul 2013

Analysis Of Unannotated Equine Transcripts Identified By Mrna Sequencing, Stephen J. Coleman, Zheng Zeng, Matthew S. Hestand, Jinze Liu, James N. Macleod

Veterinary Science Faculty Publications

Sequencing of equine mRNA (RNA-seq) identified 428 putative transcripts which do not map to any previously annotated or predicted horse genes. Most of these encode the equine homologs of known protein-coding genes described in other species, yet the potential exists to identify novel and perhaps equine-specific gene structures. A set of 36 transcripts were prioritized for further study by filtering for levels of expression (depth of RNA-seq read coverage), distance from annotated features in the equine genome, the number of putative exons, and patterns of gene expression between tissues. From these, four were selected for further investigation based on predicted …


Envelope Determinants Of Equine Lentiviral Vaccine Protection, Jodi K. Craigo, Corin Ezzelarab, Sheila J. Cook, Chong Liu, David W. Horohov, Charles J. Issel, Ronald C. Montelaro Jun 2013

Envelope Determinants Of Equine Lentiviral Vaccine Protection, Jodi K. Craigo, Corin Ezzelarab, Sheila J. Cook, Chong Liu, David W. Horohov, Charles J. Issel, Ronald C. Montelaro

Veterinary Science Faculty Publications

Lentiviral envelope (Env) antigenic variation and associated immune evasion present major obstacles to vaccine development. The concept that Env is a critical determinant for vaccine efficacy is well accepted, however defined correlates of protection associated with Env variation have yet to be determined. We reported an attenuated equine infectious anemia virus (EIAV) vaccine study that directly examined the effect of lentiviral Env sequence variation on vaccine efficacy. The study identified a significant, inverse, linear correlation between vaccine efficacy and increasing divergence of the challenge virus Env gp90 protein compared to the vaccine virus gp90. The report demonstrated approximately 100% protection …


Svsxp: A Strongylus Vulgaris Antigen With Potential For Prepatent Diagnosis, Ulla V. Andersen, Daniel K. Howe, Sriveny Dangoudoubiyam, Nils Toft, Craig R. Reinemeyer, Eugene T. Lyons, Susanne N. Olsen, Jesper Monrad, Peter Nejsum, Martin K. Nielsen Apr 2013

Svsxp: A Strongylus Vulgaris Antigen With Potential For Prepatent Diagnosis, Ulla V. Andersen, Daniel K. Howe, Sriveny Dangoudoubiyam, Nils Toft, Craig R. Reinemeyer, Eugene T. Lyons, Susanne N. Olsen, Jesper Monrad, Peter Nejsum, Martin K. Nielsen

Veterinary Science Faculty Publications

BACKGROUND: Strongyle parasites are ubiquitous in grazing horses. Strongylus vulgaris, the most pathogenic of the large strongyles, is known for its extensive migration in the mesenteric arterial system. The lifecycle of S. vulgaris is characterised by a long prepatent period where the migrating larvae are virtually undetectable as there currently is no test available for diagnosing prepatent S. vulgaris infection. Presence of S. vulgaris larvae in the arterial system causes endarteritis and thrombosis with a risk of non-strangulating intestinal infarctions. Emergence of anthelmintic resistance among cyathostomins has led to recommendations of reduced treatment intensity by targeting horses that exceed a …


Genetic Diversity In The Modern Horse Illustrated From Genome-Wide Snp Data, Jessica L. Petersen, James R. Mickelson, E. Gus Cothran, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmara Machado, Ottmar Distl, Michela Felicetti, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H. Røed, Maurizio Silvestrelli, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue Jan 2013

Genetic Diversity In The Modern Horse Illustrated From Genome-Wide Snp Data, Jessica L. Petersen, James R. Mickelson, E. Gus Cothran, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmara Machado, Ottmar Distl, Michela Felicetti, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H. Røed, Maurizio Silvestrelli, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue

Veterinary Science Faculty Publications

Horses were domesticated from the Eurasian steppes 5,000-6,000 years ago. Since then, the use of horses for transportation, warfare, and agriculture, as well as selection for desired traits and fitness, has resulted in diverse populations distributed across the world, many of which have become or are in the process of becoming formally organized into closed, breeding populations (breeds). This report describes the use of a genome-wide set of autosomal SNPs and 814 horses from 36 breeds to provide the first detailed description of equine breed diversity. F(ST) calculations, parsimony, and distance analysis demonstrated relationships among the breeds that largely reflect …


Genome-Wide Analysis Reveals Selection For Important Traits In Domestic Horse Breeds, Jessica L. Petersen, James R. Mickelson, Aaron K. Rendahl, Stephanie J. Valberg, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmara Machado, Stefano Capomaccio, Katia Cappelli, E. Gus Cothran, Ottmar Distl, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H Røed, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue Jan 2013

Genome-Wide Analysis Reveals Selection For Important Traits In Domestic Horse Breeds, Jessica L. Petersen, James R. Mickelson, Aaron K. Rendahl, Stephanie J. Valberg, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmara Machado, Stefano Capomaccio, Katia Cappelli, E. Gus Cothran, Ottmar Distl, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H Røed, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue

Veterinary Science Faculty Publications

Intense selective pressures applied over short evolutionary time have resulted in homogeneity within, but substantial variation among, horse breeds. Utilizing this population structure, 744 individuals from 33 breeds, and a 54,000 SNP genotyping array, breed-specific targets of selection were identified using an F(ST)-based statistic calculated in 500-kb windows across the genome. A 5.5-Mb region of ECA18, in which the myostatin (MSTN) gene was centered, contained the highest signature of selection in both the Paint and Quarter Horse. Gene sequencing and histological analysis of gluteal muscle biopsies showed a promoter variant and intronic SNP of MSTN were each significantly associated with …