AKR murine leukemia virusLeukemia Virus, MurineSarcoma Viruses, MurineMice, Inbred AKRMoloney murine leukemia virusKirsten murine sarcoma virusMoloney murine sarcoma virusHarvey murine sarcoma virusGammaretrovirusAvian Sarcoma VirusesFriend murine leukemia virusLeukemia, ExperimentalHelper VirusesSarcoma, ExperimentalRauscher VirusCell Transformation, ViralAbelson murine leukemia virusLeukemia Virus, FelineGenes, ViralSarcomaRetroviridaeCell LineCell Transformation, NeoplasticDefective VirusesDNA, ViralRetroviridae InfectionsVirus ReplicationRNA, ViralLeukemia Virus, BovineSarcoma Viruses, FelineViral ProteinsBase SequenceOncogenic VirusesOncogenesRNA-Directed DNA PolymeraseGene Products, gagVirus CultivationReceptors, VirusMolecular Sequence DataLeukemiaTumor Virus InfectionsMice, Inbred StrainsRepetitive Sequences, Nucleic AcidRous sarcoma virusMink Cell Focus-Inducing VirusesAntigens, ViralNucleic Acid HybridizationRNA VirusesGenetic VectorsProvirusesMinkVirus IntegrationAmino Acid SequenceVirus AssemblyCells, CulturedSarcoma, AvianAlpharetrovirusRecombination, GeneticCloning, MolecularGenes, mosDNA Restriction EnzymesTransfectionVirionLeukemia, Myeloid, AcuteSimian virus 40Species SpecificityMutationLeukemia Virus, Gibbon Ape3T3 CellsViral InterferenceTranscription, Genetic