AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusFibroblastsChick EmbryoFriend murine leukemia virusCell LineLeukemia, ExperimentalAbelson murine leukemia virusLeukemia Virus, FelineRauscher VirusRetroviridae InfectionsLeukemia Virus, BovineMolecular Sequence DataBase SequenceRetroviridaeLeukemiaCell Line, TumorVirus ReplicationDNA, ViralCell Line, TransformedGenes, Viral3T3 CellsMink Cell Focus-Inducing VirusesCells, CulturedRNA-Directed DNA PolymeraseReceptors, VirusTransfectionCell Transformation, ViralAmino Acid SequenceProvirusesMice, Inbred StrainsGene Products, gagTumor Virus InfectionsGammaretrovirusViral ProteinsLeukemia, Myeloid, AcuteRNA, MessengerGenetic VectorsVirus IntegrationRNA, ViralCell Transformation, NeoplasticTumor Cells, CulturedMutationLeukemia Virus, Gibbon Ape