Research Publications

• Osterstock, JB., G T Fosgate, N D Cohen, J N Derr, A J Roussel.  2008.  Familial and herd-level associations with paratuberculosis ELISA status in beef cattle.  Journal of Animal Science. 2008 May 9..
• Halbert, N. D. and J.N. Derr. 2008. Patterns of genetic variation in US federal bison herds. Molecular Ecology. 17 4963 - 4977.
• Douglas, K.C., N. D. Halbert, C.Kolinda, C. Childers, D.L. Hunter And J.N. Derr. 2010. Complete Mitochondrial DNA Sequence Analysis Of Bison Bison An Dbison-Cattle Hybrids: Function And Phylogeny. Mitochondrion. 11. 166-175. Conservation Biology 22(2)252-266.
• Sanderson, E.W., et.al. 2008.The Ecological Future of the North American Bison: conceiving long-term, large-scale conservation of a species. Conservation Biology 22(2)252-266.
• Seabury, C., C. A. Gill, J. W. Templeton, J. B. Dyar, J. N. Derr, D. L. Adelson, E. Owens, D. S. Davis, D. C. Kramer, J. E. Womack. 2008. Molecular Characterization of the Rocky Mountain Elk (Cervus elaphus nelsoni) PRNP Putative Promoter. Journal of Heredity 98(7):678-686.
• Halbert, N., R. Hiebert, and J. Derr.2007. Where the buffalo roam: federal bison history and role in species conservation. National Park Service. Park Science Magazine.
• Vogel, A.B., K. Tenggardjaja, S. Edmands, N.D. Halbert, J.N. Derr, and D. Hedgecock. 2007. Introgression of cattle mtDNA into Santa Catalina Island American bison.
• Freese, C.H., K. E. Aune, D.P. Boyd, J. N. Derr, S.C. Forrest, C.C. Gates, PJ.P. Gogan, S.M. Grassel, N.D. Halbert, K. Kunkel and K.H. Redford. 2007. Second Chance for the plains bison. Biological Conservation 136(2):175-184
• Halbert, N., and J. Derr. 2007. A Comprehensive Evaluation of Cattle Introgression into U.S. Federal Bison Herds. Journal of Heredity 98(1):1-12
• Solomon K.M., N.D. Halbert, D.T. Redden, D.B. Allison, J.N. Derr. 2006. Marker genotypes, population admixture, and their association with body weight, height, and relative body mass in U.S. federal bison herds. Genetics 174:775-783.
• White, S.N., N.D. Halbert, K.H. Taylor, J.N. Derr, and J.E. Womack. 2005. Comparison of segregating TLR4 variation in American bison and cattle. Animal Genetics 36:511 - 542.
• Halbert, N., T. Ward, R. Schnabel, J. Taylor, and J. Derr. 2005. Conservation genomics: disequilibrium mapping of domestic cattle chromosomal segments in North American bison populations. Molecular Ecology 14:2343-2362.
• Halbert, N.R., W.E. Grant, and J.N. Derr. 2005. Genetic and demographic consequences of importing animals into a small population: A simulation model of the Texas State Bison Herd (U.S.A.). Ecological Modeling. 181:263-276.
• Seabury, C. M., N. D. Halbert, P. J. P. Gogan, J. W. Templeton, and J. N. Derr. 2004. An evaluation of PRNP exon 3 variation and association with seroprevalence of Brucella spp. antibodies in Yellowstone bison. Animal Genetics 36:104-110.
• Halbert, N., Raudsepp, T., Chowdhary, B., and J.N. Derr. 2004. The legacy of Charles Goodnight: Conservation genetic analysis of the Texas State Bison Herd. Journal of Mammalogy. 85(5):925-931.
• Seabury, C.M., R.L. Honeycutt, A.P. Rooney, N.D. Halbert and J.N. Derr. 2004. Novel prion protein gene (PRNP) variants and evidence for strong purifying selection in functionally important regions of bovine exon 3. Proceedings of the National Academy of Sciences. 101(42):15142-15147.
• Seabury, C.M., J.E. Womack, J. Piedrahita, and J.N. Derr. 2004. Comparative PRNP genotyping of U.S cattle sires for potential association with BSE. Mammalian Genome.15:828-833.
• Schnabel, R.D., J.F. Taylor and J.N. Derr. 2004. Development of a linkage map and QTL scan for growth traits in North American bison. Cytogenetic and Genome Research. 102:59-64.
• Seabury, C.M., and J.N. Derr. 2004. Identification of a novel ovine PrP polymorphism and scrapie resistance genotypes for St. Croix White and a related composite breed. Cytogenetic and Genome Research. 102: 85-88.
• Hansen, C., J.N.B. Shrestha, R.J. Parker, G.H. Crow, P.J. McAlpine and J.N. Derr. 2003. Genetic diversity among Canadienne, Brown Swiss, Holstein and Jersey cattle based on mitochondrial D-loop sequence variation. Canadian Journal of Animal Science 83: 39-44.
• Guyer C.L. G. Stoica, J.E. Womack, R.W. Storts, J.N. Derr, L.C Abbott. 2002. A line of Berlin Druckrey IV rats proposed as a new model for human hereditary ataxia. In Vivo. 16(4):255-63.
• Hansen, C., J.N.B. Shrestha, R.J. Parker, G.H. Crow, P.J. McAlpine and J.N. Derr. 2002. Genetic diversity among Canadienne, Brown Swiss, Holstein and Jersey cattle based on 15 microsatellite markers. Genome. 45:897-904.
• Arriaga, J.M., N.D. Cohen, J.N. Derr, M.K. Chaffin and R.J. Martens. 2002. Detection of Rhodococcus equi by polymerase chain reaction using novel, non-proprietary primers. Journal of Veterinary Diagnostic Investigation. 14:347-353 .
• Rooney, A.P., R.L. Honeycutt and J.N. Derr. 2001. Historical population size change of bowhead whales inferred from DNA sequence polymorphism data. Evolution 55(8) 1678-1685.
• Ward, T.J., L.C. Skow, D.S. Gallagher, R.D. Schnabel, C.E. Kolenda, C. Nall, S.K. Davis, J.F. Taylor and J.N. Derr. 2000. Differential introgression of uniparentally-inherited markers in bison populations with hybrid ancestries. Animal Genetics 32:89-91.
• Schnabel, R.D., T.J. Ward and J.N. Derr. 2000. Validation of 15 microsatellites for parentage testing in North American bison, Bison bison L. and Domestic cattle. Animal Genetics 31:360 - 366.
• Rooney, A.P. R.L. Honeycutt, S.K. Davis and J.N. Derr. 1999. Evaluating a putative bottleneck in a population of bowhead whales from patterns of microsatellite diversity and genomic disequilibria. Journal of Molecular Evolution 49:682-690.
• Ward, T.J., J.P. Bielawski, S.K. Davis, J.W. Templeton, and J.N. Derr. 1999. Identification of domestic cattle hybrids in wild cattle and bison species: A general approach using mtDNA markers and the parametric bootstrap. Animal Conservation 2:51-57.
• Phalen, DN, V.G. Wilson, J.M. Gaskin, J.N. Derr and D.L. Graham. 1999. Genetic diversity in twenty variants of the avian polyomavirus. Avian Diseases 43:207-218.
• Rooney, A.P., D.B. Merrit and J.N. Derr. 1999. Microsatellite diversity in captive bottlenose dolphins (Tursiops truncatus). Journal of Heredity 90:228-331.
• Ward, T.J., R. H. Honeycutt and J.N. Derr. 1997. The pattern of nucleotide sequence evolution at Kappa-Casein loci provides evidence of positive selection. Genetics 147:1863-1872.
• Piedrahita, J.A., R. Weaks, A. Petrescu, T.W. Schrode, J.N. Derr and J.E. Womack. 1997. Genetic Characterization of the bovine leukemia inhibitory factor (LIF) gene: isolation and sequencing, chromosome assignment and microsatellite analysis. Animal Genetics 28:14-20.
• Ficht, T.A., H.S. Husseinen, J. Derr and S.W. Bearden. 1996. Species-specific sequences at the omp2 locus of Brucella type strains. International Journal of Systematic Bacteriology 46:329-331.
• Reese, R.L., M. Hyman, M.W. Rowe, J.N. Derr and S.K. Davis. 1996. Ancient DNA from Texas Pictographs. Journal of Archaeological Science 23:269-277.
• Gallagher, D.S., J.N. Derr and J.E. Womack. 1994. Chromosome conservation among the advanced Pecorans and determination of the primitive bovid karyotype. Journal of Heredity. 85:204-210.
• Bhebhe, E., J. Kogi, D.A. Holder, Arevalo, E., J.N. Derr, R.A. Linn, J.F. Taylor, S.K. Davis and F. Ruvuna. 1994. Caprine dinucleotide repeat polymorphisms at the SR-CRSP-6, SR-CRSP-7, SR-CRSP-8, SR-CRSP-9and SR-CRSP-10 loci. Animal Genetics 25:203.
• Arevalo, E., D.A. Holder, J.N. Derr, E. Bhebhe, R.A. Linn, J.F. Taylor, S.K. Davis and F. Ruvuna. 1994. Caprine dinucleotide repeat polymorphisms at the SR-CRSP-1, SR-CRSP-2, SR-CRSP-3, SR-CRSP-4 and SR-CRSP-5 loci. Animal Genetics 25:202
• Davidson, L.A., Y.-H. Jiang, J.N. Derr, H.M. Aukema, J.R. Lupton and R.S. Chapkin. 1994. Protein kinase C isoforms in human and rat colonic mucosa. Archives of Biochemistry and Biophysics. 312:547:553.
• Aukema, H.M., L.A. Davidson, W.-C.Chang, J.R. Lupton, J.N. Derr and R.S. Chapkin. 1994. Dietary modulation of rat colonic cAMP-dependent protein kinase. Biochimica et Biophysica ACTA 1224:1-10.
• Bickham, J.W., V.L. Sawin, K. McBee, J.N. Derr, B.G. Hanks and B.J. Gallaway. 1994. Further studies on the effects of triethyenemelamine on somatic and testicular tissues of the rat using flow cytometry. Cytometry, 15:.
• Morales, J.C., J.W. Bickham, J.N. Derr, B.G. Hanks and B.J. Gallaway. 1993. Allozyme analysis of population structure of Arctic Cisco (Coregonus autumnalis) from the Beaufort Sea. Copiea. 93:863-867.
• Derr, J.N., S.K. Davis, J. Woolley and R. Wharton. 1992. Reassessment of the 16S rRNA nucleotide sequence from members of the parasitic Hymenoptera. Molecular Phylogenetics and Evolution, 1:338-341.
• Derr, J.N., S.K. Davis, J. Woolley and R. Wharton. 1992. Variation and the phylogenetic utility of the large ribosomal subunit of mitochondrial DNA from the insect order Hymenoptera. Molecular Phylogenetics and Evolution, 1:136-147.
• Cameron, S.A., J.N. Derr, A.D. Austin, J.B. Woolley and R.A. Wharton. 1992. Molecular systematics of the Hymenoptera: a review of methods, procedures and analysis. Journal of Hymenoptera Research, 1: 63-79.
• Lockwood, S.F. and J.N. Derr. 1992. Intra- and interspecific genome size variation in the Salmonidae. Cytogenetics and Cell Genetics. Cytogenetics and Cell Genetics, 59:303-306.
• Derr, J.N., D. W. Hale, D. L. Ellsworth and J.W. Bickham. 1991. Fertility in a F1 male hybrid of white-tailed deer (Odocoileus virginianus) X mule deer (O. hemionous). Journal of Reproduction and Fertility. 93:111-117.
• Derr, J.N. 1991. Genetic interactions between white-tailed and mule deer in the southwestern United States. Journal of Wildlife Management, 55:228-237.
• Lee, T.E., J.N. Derr, J.W. Bickham and T.L. Clark. 1989. Genetic variation in West Texas pronghorn antelope. Journal of Wildlife Management, 53:890-896.
• Derr, J.N., J.W. Bickham, I.F. Greenbaun, A.G.J. Rhodin and R.A. Mittermeier. 1987. Biochemical systematics and evolution in the South American turtle genus Platemys (Pleurodira:Chelidae). Copeia. 1987:2. 370-375.
• Carr, S.M., S.W. Ballinger, J.N. Derr, J.W. Bickham and L.H. Blankenship. 1986. Mitochondrial DNA analysis of hybridization between sympatric white-tail and mule deer in west Texas. Proceedings of the National Academy of Science, USA. 83:9576-9580.