AKR murine leukemia virusMammary Tumor Virus, MouseLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusGenes, ViralFriend murine leukemia virusLeukemia, ExperimentalMammary Neoplasms, ExperimentalRetroviridae InfectionsAbelson murine leukemia virusRauscher VirusDNA, ViralCell LineLeukemia Virus, FelineTumor Virus InfectionsBase SequenceVirus ReplicationMolecular Sequence DataRNA, ViralLeukemia Virus, BovineRetroviridaeProvirusesViral ProteinsRepetitive Sequences, Nucleic AcidRNA-Directed DNA PolymeraseGenome, ViralCell Line, TumorReceptors, VirusMice, Inbred StrainsLeukemiaGammaretrovirusOncogenic VirusesMammary Neoplasms, AnimalRNA VirusesVirus IntegrationAntigens, ViralGene Products, gagAmino Acid SequenceDefective VirusesTranscription, GeneticMink Cell Focus-Inducing VirusesNucleic Acid HybridizationMice, Inbred BALB CCell Transformation, ViralTumor Cells, CulturedGenetic VectorsTransfectionGenomeVirus CultivationCell Transformation, NeoplasticVirus AssemblyMammary Glands, AnimalTerminal Repeat SequencesViral Envelope ProteinsRecombination, GeneticVirionNeoplasms, ExperimentalLymphomaVaccinia virusGene Expression Regulation, ViralCloning, MolecularLeukemia, Myeloid, AcuteSarcoma Viruses, MurineMinkRNA, Messenger3T3 CellsHelper VirusesPromoter Regions, GeneticLeukemia Virus, Gibbon ApeMutationGenes, envCells, CulturedSpecies SpecificityMice, Inbred C57BLPolymerase Chain ReactionSimian virus 40