2016

 

Ezenwa, V. O., Ghai, R.R., McKay, A.F., Williams, A.E. 2016. Group living and pathogen infection revisited. Current Opinion in Behavioral Sciences, doi: 10.1016/j.cobeha.2016.09.006

 

McKay, A.F., Ezenwa, V. O., Altizer, S. 2016. Consequences of food restriction for immune defense, parasite infection, and fitness in monarch butterflies. Physiological and Biochemical Zoology, 89: 389-401. PDF

 

Ezenwa, V. O. 2016. Helminth-microparasite co-infection in wildlife: lessons from ruminants, rodents, and rabbits. Parasite Immunology, 38: 527-534. doi,10.1111/pim.12348

 

Ghai, R. R., M. Mutinda, Ezenwa, V. O. 2016. Limited sharing of tick-borne hemoparasites between sympatric wild and domestic ungulates. Veterinary Parasitology, 226: 167-173. PDF

 

McKay, A. F, Ezenwa, V. O., and Altizer, S.  2016. Unravelling the costs of flight for immune defenses in the migratory monarch butterfly.  Integrative and Comparative Biology, 56: 278-289. PDF

 

Stephens PR, Altizer S, Smith KF, Aguirre AA, Brown JH, Budischak SA, Byers JE, Davies JT, Drake JM, Ezenwa VO, Farrell MJ, Gittleman JL, Han BA, Huang S, Hutchinson RA, Johnson P, Nunn CL, Onstad D, Park AW, Vazquez-Prokopec GM, Schmidt JP, Poulin R. 2016. The macroecology of infectious diseases: a new perspective on global-scale drivers of pathogen distributions and impacts. Ecology Letters, 19: 1159-1171. PDF

 

Budischak, S.A., Hoberg, E., Abrams, A., Jolles, A. E., and Ezenwa, V. O. 2016. Experimental insight into the process of parasite community assembly. Journal of Animal Ecology, 85: 1222-1233. PDF

 

Ezenwa, V. O. and Snider, M. H. 2016. Reciprocal relationships between behavior and parasites suggest that negative feedback may drive flexibility in male reproductive behavior. Proceedings of the Royal Society of London B, 283: 20160423. PDF

 

Henrichs, B., Oosthuizen, M., Troskie, M., Gorsich, E., Gondhalekar, C., Beechler, B., Ezenwa, V. O., Jolles, A. 2016. Within guild co-infections influence parasite community membership: a longitudinal study in African Buffalo. Journal of Animal Ecology, 85:1025-1034. PDF

 

Ezenwa, V.O., Archie, E. A., Craft, M. E., Hawley, D. M., Martin, L. B., Moore, J., White, L. 2016. Host behavior-parasite feedback: an essential link between animal behavior and disease ecology. Proceedings of the Royal Society of London B, 283: 20153078. PDF

 

Gawriluk, T.R., Thompson, K. L., Clare-Salzler, Z., Kimani, J.M., Kiama, S.G., Smith, J., Ezenwa, V.O., and Seifert, A.W. 2016. Comparative analysis of earhole closure identifies regenerative ability as a discrete trait in mammals. Nature Communications, doi: 10.1038/ncomms11164. PDF

 

VanderWaal, K. L., and Ezenwa, V.O. 2016. Heterogeneity in pathogen transmission: mechanisms and methodology. Functional Ecology, doi: 10.1111/1365-2435.12645. PDF

2015

 

Young, H. S., Dirzo, R., Helgen, K.M., McCauley, D.J., Nunn, C. L., Snyder, P.,Veblen, K. E., Zhao, S., Ezenwa, V. O. 2015. Large wildlife removal drives immune defence increases in rodents.  Functional Ecology, 30: 799-807. PDF

 

Worsley-Tonks, K. and Ezenwa, V. O. 2015. Anthelmintic treatment affects behavioural time allocation in a free-ranging ungulate. Animal Behavior, 108: 47-54. PDF

 

Ezenwa, V. O., Prieur-Richard, A., Roche, B., Bailly, X., Becquart, P., García-Peña, G. E., Hosseini, P. R., Keesing, F., Rizzoli, A., Suzán, G., Vignuzzi, M., Vittecoq, M., Mills, J. N., Guégan, J-F. 2015. Interdisciplinarity and Infectious Diseases: An Ebola Case Study. PLoS Pathogens 11: e100499. PDF

 

Hooge, J., Howe, L., and Ezenwa, V. O. 2015. Identification of novel Theileria genotypes from Grant's gazelle. International Journal for Parasitology: Parasites and Wildlife, 4: 239-243. PDF

 

Snyder, P.W., Hogg, J. T., Ezenwa, V.O. 2015. Comparison of the FLOTAC and Baermann techniques for quantifying lungworm larvae in wild bighorn sheep feces, Journal of Wildlife Diseases, 51: 843-848. PDF

 

Beechler, B. R., Manore, C., Reninghaus, B., O’Neal, D., Gorsich, E., Ezenwa, V.O., Jolles, A.E. 2015. Enemies and Turncoats: bovine tuberculosis exposes pathogenic potential of Rift Valley fever virus in a common host African Buffalo. Proceedings of the Royal Society of London B, 282. PDF

 

Gorsich, E. E., Ezenwa, V. O., Cross, P. C., Bengis, R. G., and Jolles, A. E. 2015. Context-dependent survival, fecundity, and predicted population-level consequences of brucellosis in African buffalo. Journal of Animal Ecology, 84: 999-1009. PDF

 

Budischak, S.A., K. Sakamoto, L. Megow, K. Cumming, J. Urban, Ezenwa, V.O. 2015. Resource limitation alters the consequences of co-infection for both hosts and parasites. International Journal for Parasitology, 45: 455-463. PDF

 

Budischak, S.A., Eric Hoberg, Art Abrams, A.E. Jolles, and Ezenwa, V.O. 2015. A combined parasitological molecular approach for non-invasive characterization of parasite communities in wild hosts. Molecular Ecology Resources, 15: 1112-1119. PDF

 

Ezenwa, V.O. and Jolles, A.E. 2015. Opposite effects of anthelmintic treatment on microbial infection at individual vs. population scales. Science, 347: 175-177 (Faculty 1000 Recommended). PDF

 

Worsley-Tonks, K., Lance, S., Beasley, R., Jones, K., Ezenwa, V. O. 2015. Development and characterization of 30 novel microsatellite markers for Grant’s gazelle (Nanger granti). Conservation Genetics Resources, 7: 219-221. PDF

 

Lane-deGraaf, K., Amish, S., Gardipee, F., Jolles, A., Luikart, G., Ezenwa, V. O. 2015. Signatures of natural and unnatural selection: evidence from an immune system gene in African buffalo. Conservation Genetics, 16: 289-300. PDF

 

Jolles, A. E., and Ezenwa, V. O.  2015. Ungulates as model systems for the study of disease processes in natural populations. Journal of Mammalogy, 96: 4-15. PDF

 

Gorsich, E.E., Bengis, R.G., Ezenwa, V.O., Jolles, A.E.  2015. Evaluation of the sensitivity and specificity of an ELISA for diagnosing brucellosis in African buffalo (Syncerus caffer). Journal of Wildlife Diseases, 51: 9-18. PDF

 

Beechler, B.R., Bengis, R., Swanepoel, R., Paweska, J.T., Kemp, A., Jansen van Vuren, P., Joubert, J., Ezenwa, V.O., Jolles, A.E. 2015. Rift Valley Fever in Kruger National Park: Do Buffalo Play a Role in the Inter-Epidemic Circulation of Virus? Transboundary and Emerging Disease, 62: 24-32. PDF

2014

 

Ezenwa, V. O. and A. E. Williams. 2014. Microbes and animal olfactory communication: where do we go from here? BioEssays, 36: 847-854. PDF

 

Gorsich, E. E., Ezenwa, V. O., Jolles, A. E. 2014. Nematode–coccidia parasite co-infections in African buffalo: Epidemiology and associations with host condition and pregnancy. International Journal for Parasitology: Parasites and Wildlife , 3: 124-134. PDF

 

Nunn, C.L., Brezine, C., Jolles, A. E., Ezenwa, V. O. 2014. Interactions between micro- and macro-parasites predict microparasite species richness across primates. American Naturalist, 183(4): 494-505. PDF

 

Fratto, M. E., Ezenwa, V. O., Davis, A. K. 2014. Infection with Mycoplasma gallisepticum buffers the effects of acute stress on innate immunity in house finches. Physiological and Biochemical Zoology, 87(2): 257-264. PDF

2013

 

Beechler, B.R., Bengis, R., Swanepoel, R., Paweska, J.T., Kemp, A., Jansen van Vuren, P., Joubert, J., Ezenwa, V.O., Jolles, A.E. 2013. Rift Valley Fever in Kruger National Park: Do Buffalo Play a Role in the Inter-Epidemic Circulation of Virus? Transboundary and Emerging Diseases. PDF

 

Godsey, M.S., King, R.J., Burkhalter, K., Delorey, M., Colton, L., Charnetzky, D., Sutherland, G., Ezenwa, V.O., Wilson, L.A., Coffey, M., Milheim, L., Taylor, V. G., Palmisano, C., Wesson, D., Guptill, S. C. 2013. Ecology of potential vectors of West Nile virus in southeastern Louisiana: enzootic transmission in the relative absence of Culex quinquefasciatus. The American Journal of Tropical Medicine and Hygiene, 88(5): 986-996. PDF

 

Anderson, K., Ezenwa, V. O., Jolles, A. E. 2013. Tick infestation patterns in free ranging African buffalo (Syncerus caffer): Effects of host innate immunity and niche segregation among tick species. International Journal for Parasitology: Parasites and Wildlife, 2: 1-9. PDF

2012

 

Budischak, S.A., Jolles, A. E., Ezenwa, V. O. 2012. Direct and indirect costs of co-infection in the wild: Linking gastrointestinal parasite communities, host hematology, and immune function. International Journal for Parasitology: Parasites and Wildlife, 1: 2-12. PDF

 

Ezenwa, V.O., Gerardo, N. M., Inouye, D. W., Medina, M., Xavier, J. B. 2012. Animal behavior and the microbiome. Science, 338: 198-199. PDF

 

Beechler, B. R., Broughton, H., Bell, A., Ezenwa, V. O., Jolles, A. E. 2012. Innate Immunity in Free-Ranging African Buffalo (Syncerus caffer): Associations with Parasite Infection and White Blood Cell Counts. Physiological and Biochemical Zoology, 85(3):255-64. PDF

 

Ogada, D. L., Torchin, M. E., Kinnaird, M. K., Ezenwa, V. O. 2012. Effects of Vulture Declines on Facultative Scavengers and Potential Implications for Mammalian Disease Transmission. Conservation Biology, 26, 453–460. PDF

 

Ezenwa, V. O., Ekernas, L. S., Creel, S. 2012. Unraveling complex associations between testosterone and parasite infection in the wild. Functional Ecology, 26: 123-133. PDF

 

Nelson, B., Hebblewhite, M., Ezenwa, V .O., Shury, T., Merrill, E. H., Paquet, P.C., Schmiegelow, F., Seip, D., Skinner, G., and Webb, N. 2012. Prevalence of antibodies to canine parvovirus and distemper virus in wolves in the Canadian rocky mountains. Journal of Wildlife Diseases, 48: 68-76. PDF

2011

 

Ezenwa, V.O. and Jolles, A. E. 2011. From host immunity to pathogen invasion: The effects of helminth coinfection on the dynamics of microparasites? Integrative and Comparative Biology, 540-551. PDF

 

Hawley, D. M., Etienne, R. S., Ezenwa, V, O., Jolles, A. E. 2011. Does animal behavior underlie covariation between host exposure and susceptibility to infection? implications for disease dynamics. Integrative and Comparative Biology, 51: 528-539. PDF

 

Nunn, C. L., Ezenwa, V. O., Arnold, C., and Koenig, W.D. 2011. Mutualism or parasitism? Using a phylogenetic approach to characterize the oxpecker-ungulate interaction. Evolution, 65: 1297-1304. PDF

 

Archie, E. A. and Ezenwa, V. O. 2011. Population genetic structure and history of a generalist parasite infecting multiple sympatric host species. International Journal for Parasitology, 41: 89-98. PDF

2010

 

Ezenwa, V. O., Etienne, R. S., Luikart, G., Beja-Pereira, A. and Jolles, A. E. 2010. Hidden consequences of living in a wormy world: nematode-induced immune suppression facilitates TB invasion in African buffalo. American Naturalist, 176: 613-624. PDF

 

Ezenwa, V. O., Hines, A. M., Archie, E. A., Hoberg, E. P., Asmundsson, I. M., and J. T. Hogg. 2010. Muellerius capillaris dominates the lungworm community of bighorn sheep at the National Bison Range, Montana. Journal of Wildlife Diseases, 46: 988-993. PDF

2009

 

Pongsiri, M. J., Roman, J, Ezenwa, V. O., Goldberg, T. L., Koren, H., Newbold, S., Ostfeld, R.S., Pattanayak, S., and Salked, D. J. 2009. Biodiversity loss and the new global disease ecology, Bioscience, 59: 945-954. PDF

 

Archie, E. A., G. Luikart and Ezenwa, V. O. 2009. Infecting epidemiology with genetics: a new frontier in disease ecology. Trends in Ecology & Evolution, 24: 21-30. PDF

 

Beechler, B. R., A. E. Jolles and Ezenwa, V. O. 2009. Evaluation of hematological values in free ranging African buffalo (Syncerus caffer). Journal of Wildlife Diseases, 45: 57-66. PDF

 

Ezenwa, V. O., Jolles, A. E. and M. O’Brien. 2009. A reliable body condition scoring technique for estimating condition in African buffalo. African Journal of Ecology, 47: 476-481. PDF

2008

 

Ezenwa, V. O. and A. E. Jolles. 2008. Horns honestly advertise parasite infection in male and female African buffalo, Animal Behaviour, 75:2013-2021. PDF

 

Jolles, A. E., Ezenwa, V. O., Etienne, R., Turner, W. and H. Olff. 2008. Interactions between macroparasites and microparasites drive patterns of infection in free-ranging African buffalo. Ecology, 89:2239-2250. PDF

 

Luikart, G., Pilgrim, K., Visty, J., Ezenwa, V. O., and M. K. Schwartz. 2008. Candidate gene microsatellite variation is associated with parasitism in wild bighorn sheep. Biology Letters, 4: 228-231. PDF

 

Hoberg, E. P., Abrams, A. and Ezenwa, V. O. 2008. An exploration of diversity among the Ostertagiinae (Nematoda: Trichostrongyloidea) in ungulates from sub-saharan Africa with a proposal for a new genus. Journal of Parasitology, 94: 230-251. PDF

 

Deem, S. L., Ezenwa, V.O., Ward, J. R and B. O. Wilcox. 2008. Research frontiers in infectious disease ecology: an interdisciplinary agenda for a changing world. In Infectious Disease Ecology: Effects of Disease on Ecosystems and Ecosystems on Disease. Princeton University Press, Eds. R. Ostfeld, F. Keesing & V. Eviner.

2007 & earlier

 

Hines, A. M., Ezenwa, V. O., Cross, P. and J. D. Rogerson. 2007. Effects of supplemental feeding on gastrointestinal parasite infection in elk: preliminary observations. Veterinary Parasitology, 148: 350-355. PDF

 

Ezenwa, V.O., Milheim, L.E., Coffey, M.F., Godsey, M.S., King, R.J. and S.C. Guptill. 2007. Land cover variation and West Nile virus prevalence: patterns, processes and implications for disease control. Vector-Borne and Zoonotic Diseases, 7: 173-180. PDF

 

Ezenwa, V. O., Price S. A., Altizer, S., Vitone, N. D. and K. C. Cook. 2006. Host traits and parasite species richness in even and odd-toed mammals (Artiodactyla and Perissodactyla). Oikos, 115: 526-536. PDF

 

Ezenwa, V.O., Godsey, M.S., King, R.J. and S.C. Guptill. 2006. Avian diversity and West Nile virus: testing associations between biodiversity and infectious disease risk. Proceedings of the Royal Society of London B, 273: 109-117. PDF

 

Ezenwa, V.O. 2004. Interactions among host diet, nutritional status and gastrointestinal parasite infection in wild bovids. International Journal for Parasitology, 34: 535-542. PDF

 

Ezenwa, V.O. 2004. Host social behavior and parasitic infection: a multifactorial approach. Behavioral Ecology, 15: 446-454. PDF

 

Ezenwa, V.O. 2004. Reserve characteristics predict parasite infection rates of impala (Aepyceros melampus) in fenced game reserves. Biological Conservation, 118: 397-401. PDF

 

Ezenwa, V.O. 2004. Selective defecation and selective foraging: antiparasite behavior in wild ungulates? Ethology, 110: 851-862. PDF

 

Ezenwa, V.O. 2003. Habitat overlap and gastrointestinal parasitism in sympatric African bovids. Parasitology, 126: 379-388. PDF

 

Altizer, S., Nunn, C.L., Thrall, P.H., Gittleman, J.L., Antonovics, J., Cunnningham, A.A., Dobson, A.P., Ezenwa, V.O., Jones, K.E., Pedersen, A.B., Poss, M. and J.R.C. Pulliam. 2003. Social organization and parasite risk in mammals: integrating theory and empirical studies. Annual Review of Ecology, Evolution & Systematics, 34: 517-545. PDF

 

Ezenwa, V.O. 2003. The effects of time of day on the prevalence of coccidian oocysts in antelope fecal samples. African Journal of Ecology, 41: 192-193. PDF

 

Ezenwa, V.O., Peters, J.M., Zhu, Y., Arevalo, E.A., Hastings, M.D., Seppa, P.,Zacchi, F. Queller, D.C., and J.E. Strassmann.1998. Ancient conservation of trinucleotide microsatellite loci in polistine wasps. Molecular Phylogenetics and Evolution 10: 168-177. PDF

 

Ezenwa, V.O., Henshaw, M.,Queller, D.C., and J.E. Strassmann.1998. Patterns of buzz running, a preswarming behavior in the neotropical wasp, Parachartergus colobopterus. Insectes Sociaux 45: 445-456. PDF