| phylogenetic analyses indicate little variation among reticuloendotheliosis viruses infecting avian species, including the endangered attwater's prairie chicken. | reticuloendotheliosis virus infection, which typically causes systemic lymphomas and high mortality in the endangered attwater's prairie chicken, has been described as a major obstacle in repopulation efforts of captive breeding facilities in texas. although antigenic relationships among reticuloendotheliosis virus (rev) strains have been previously determined, phylogenetic relationships have not been reported. the pol and env of rev proviral dna from prairie chickens (pc-r92 and pc-2404), from ... | 2006 | 16497405 |