AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusSimian virus 40Friend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusXenotropic murine leukemia virus-related virusRetroviridae InfectionsLeukemia Virus, FelineRauscher VirusDNA, ViralCell LineVirus ReplicationLeukemia Virus, BovineRetroviridaeGenes, ViralGammaretrovirusReceptors, VirusMink Cell Focus-Inducing VirusesLeukemiaMinkMolecular Sequence DataTumor Virus InfectionsViral ProteinsCell Transformation, ViralRNA-Directed DNA PolymeraseBase SequenceRNA, ViralMice, Inbred StrainsProvirusesDefective VirusesRNA VirusesGene Products, gagAntigens, ViralVirus IntegrationVirus CultivationSarcoma Viruses, MurineHelper VirusesVirus AssemblyGene Products, envRecombination, GeneticLeukemia, Myeloid, AcuteRepetitive Sequences, Nucleic AcidAntigens, Viral, TumorLeukemia Virus, Gibbon ApeVirionAntigens, Polyomavirus TransformingAmino Acid SequenceGenetic Vectors