AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusXenotropic murine leukemia virus-related virusRetroviridae InfectionsLeukemia Virus, FelineRauscher VirusVirus ReplicationCell LineLeukemia Virus, BovineRetroviridaeReceptors, VirusGenes, ViralGammaretrovirusDNA, ViralMink Cell Focus-Inducing VirusesMolecular Sequence DataLeukemiaViral ProteinsMinkRNA-Directed DNA PolymeraseProvirusesBase SequenceRNA, ViralTumor Virus InfectionsMice, Inbred StrainsViral Envelope ProteinsVirus IntegrationAmino Acid SequenceGene Products, envHIV-1Gene Products, gagRNA VirusesDefective VirusesHuman T-lymphotropic virus 1Virus AssemblyGlycoproteinsVirionSarcoma Viruses, MurineVirus CultivationAntigens, ViralHelper VirusesCell Transformation, ViralRecombination, GeneticLeukemia, Myeloid, AcuteGenetic VectorsVaccinia virusLeukemia Virus, Gibbon ApeRepetitive Sequences, Nucleic Acid