AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusLeukemia Virus, FelineRauscher VirusRetroviridae InfectionsLeukemia Virus, BovineVirus ReplicationCell LineVirionReceptors, VirusRetroviridaeDNA, ViralLeukemiaGenes, ViralVirus AssemblyMolecular Sequence DataRNA-Directed DNA PolymeraseViral ProteinsRNA, ViralDefective VirusesRNA VirusesGene Products, gagMink Cell Focus-Inducing VirusesTumor Virus InfectionsProvirusesVirus CultivationBase SequenceGammaretrovirusVirus IntegrationVaccinia virusViral Envelope ProteinsMice, Inbred StrainsLeukemia, Myeloid, AcuteLeukemia Virus, Gibbon ApeGenetic VectorsAmino Acid SequenceCell Transformation, ViralParticle SizeAntigens, Viral