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Genetics and Genomics Commons

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Full-Text Articles in Genetics and Genomics

Evidence Of Natural Bluetongue Virus Infection Among African Carnivores, Kathleen A. Alexander, N. James Maclachlan, Pieter W. Kat, Carol House, Stephen J. O'Brien, Nicholas W. Lerche, Mary Sawyer, Laurence G. Frank, Kay Holekamp, Laura Smale, J. Weldon Mcnutt, M. Karen Laurenson, M. G. L. Mills, Bennie I. Osburn Nov 1994

Evidence Of Natural Bluetongue Virus Infection Among African Carnivores, Kathleen A. Alexander, N. James Maclachlan, Pieter W. Kat, Carol House, Stephen J. O'Brien, Nicholas W. Lerche, Mary Sawyer, Laurence G. Frank, Kay Holekamp, Laura Smale, J. Weldon Mcnutt, M. Karen Laurenson, M. G. L. Mills, Bennie I. Osburn

Biology Faculty Articles

Bluetongue is an International Office of Epizootics List A disease described as the century's most economically devastating affliction of sheep. Bluetongue (BLU) viruses were thought to infect only ruminants, shrews, and some rodents, but recently, inadvertent administration of BLU virus-contaminated vaccine resulted in mortality and abortion among domestic dogs. We present evidence of natural BLU virus infection among African carnivores that dramatically widens the spectrum of susceptible hosts. We hypothesize that such infection occurred after ingestion of meat and organs from BLU virus infected prey species. The effect of BLU virus on endangered carnivores such as the cheetah and African …


A Lion Lentivirus Related To Feline Immunodeficiency Virus: Epidemiologic And Phylogenetic Aspects, Eric W. Brown, Naoya Yuhki, Craig Packer, Stephen J. O'Brien Sep 1994

A Lion Lentivirus Related To Feline Immunodeficiency Virus: Epidemiologic And Phylogenetic Aspects, Eric W. Brown, Naoya Yuhki, Craig Packer, Stephen J. O'Brien

Biology Faculty Articles

Feline immunodeficiency virus (FIV) is a novel lentivirus that is genetically homologous and functionally analogous to the human AIDS viruses, human immunodeficiency virus types 1 and 2. FIV causes immunosuppression in domestic cats by destroying the CD4 T-lymphocyte subsets in infected hosts. A serological survey of over 400 free-ranging African and Asian lions (Panthera leo) for antibodies to FIV revealed endemic lentivirus prevalence with an incidence of seropositivity as high as 90%o. A lion lentivirus (FIV-Ple) was isolated by infection of lion lymphocytes in vitro. Seroconversion was documented in two Serengeti lions, and discordance of mother-cub serological status …


Phylogenetic Associations Of Human And Simian T-Cell Leukemia/Lymphotropic Virus Type I Strains: Evidence For Interspecies Transmission, Igor J. Koralnik, Enzo Boeri, W. Carl Saxinger, Anita Lo Monico, Jake Fullen, Antoine Gessain, Hong-Guang Guo, Robert C. Gallo, Phillip Markham, Vaniambadi Kalyanaraman, Vanessa Hirsch, Jonathan Allan, Krishna Murthy, Patricia Alford, Jill Pecon-Slattery, Stephen J. O'Brien, Genoveffa Ranchini Apr 1994

Phylogenetic Associations Of Human And Simian T-Cell Leukemia/Lymphotropic Virus Type I Strains: Evidence For Interspecies Transmission, Igor J. Koralnik, Enzo Boeri, W. Carl Saxinger, Anita Lo Monico, Jake Fullen, Antoine Gessain, Hong-Guang Guo, Robert C. Gallo, Phillip Markham, Vaniambadi Kalyanaraman, Vanessa Hirsch, Jonathan Allan, Krishna Murthy, Patricia Alford, Jill Pecon-Slattery, Stephen J. O'Brien, Genoveffa Ranchini

Biology Faculty Articles

Homologous env sequences from 17 human T-leukemia/lymphotropic virus type I (HTLV-I) strains from throughout the world and from 25 simian T-leukemia/lymphotropic virus type I (STLV-I) strains from 12 simian species in Asia and Africa were analyzed in a phylogenetic context as an approach to resolving the natural history of these related retroviruses. STLV-I exhibited greater overall sequence variation between strains (1 to 18% compared with 0 to 9% for HTLV-I), supporting the simian origin of the modern viruses in all species. Three HTLV-I phylogenetic clusters or clades (cosmopolitan, Zaire, and Melanesia) were resolved with phenetic, parsimony, and likelihood analytical procedures. …