AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusBuxusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusRetroviridae InfectionsLeukemia Virus, FelineXenotropic murine leukemia virus-related virusRauscher VirusLeukemia Virus, BovineVirus ReplicationReceptors, VirusMolecular Sequence DataGammaretrovirusLeukemiaCell LineRetroviridaeDNA, ViralGenes, ViralMink Cell Focus-Inducing VirusesRNA-Directed DNA PolymeraseTumor Virus InfectionsProvirusesRNA VirusesGene Products, gagAmino Acid SequenceRNA, ViralDefective VirusesVirus IntegrationViral ProteinsBase SequenceVirus AssemblyMice, Inbred StrainsLeukemia, Myeloid, AcuteVirus CultivationLeukemia Virus, Gibbon ApeVirion