AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusRetroviridaeRauscher VirusLeukemia Virus, FelineRetroviridae InfectionsLeukemia Virus, BovineVirus ReplicationReceptors, VirusDNA, ViralRNA-Directed DNA PolymeraseGenes, ViralCell LineGammaretrovirusLeukemiaRNA VirusesProvirusesAvian leukosis virusMolecular Sequence DataViral ProteinsRNA, ViralDefective VirusesMink Cell Focus-Inducing VirusesBase SequencePapioTumor Virus InfectionsMice, Inbred StrainsGene Products, gagHelper VirusesVirus IntegrationOncogenic VirusesCell Transformation, ViralGenes, envVirus AssemblyRepetitive Sequences, Nucleic AcidAntigens, ViralLeukemia, Myeloid, AcuteVirus CultivationLeukemia Virus, Gibbon ApeTheropithecus