AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusLeukemia Virus, FelineRauscher VirusRetroviridae InfectionsLeukemia Virus, BovineLeukemiaRetroviridaeCell LineVirus ReplicationMink Cell Focus-Inducing VirusesDNA, ViralGenes, ViralRNA-Directed DNA PolymeraseReceptors, VirusMolecular Sequence DataBase SequenceProvirusesGene Products, gagTumor Virus InfectionsGammaretrovirusLeukemia, Myeloid, AcuteMice, Inbred StrainsVirus IntegrationLeukemia Virus, Gibbon ApeRNA, Viral