AKR murine leukemia virusAbelson murine leukemia virusLeukemia Virus, MurineLeukemia Virus, BovineMoloney murine leukemia virusMice, Inbred AKROncogene Proteins v-ablLeukemia, ExperimentalFriend murine leukemia virusCell Transformation, ViralLeukemia Virus, FelineCell LineRauscher VirusGenes, ablRetroviridae InfectionsGenes, ViralHelper VirusesThymomaCell Transformation, NeoplasticViral ProteinsOncogenesLeukemiaMice, Inbred StrainsDNA, ViralBase SequenceRetroviridaeVirus ReplicationMink Cell Focus-Inducing VirusesB-LymphocytesRNA-Directed DNA PolymeraseMolecular Sequence DataReceptors, VirusSarcoma Viruses, FelineDefective VirusesMice, Inbred BALB CProvirusesAntibodies, ViralGene Products, gagCell Line, TransformedTumor Virus InfectionsGammaretrovirusLymphomaLeukemia, Myeloid, AcuteRNA, ViralVirus IntegrationLeukemia Virus, Gibbon ApeMutation3T3 CellsViral Envelope ProteinsMinkProtein-Tyrosine KinasesLymphocytesClone CellsPreleukemiaHuman T-lymphotropic virus 1Amino Acid SequenceGene Products, envAntibodiesRetroviridae Proteins, OncogenicGenetic VectorsRepetitive Sequences, Nucleic AcidAntigens, ViralSarcoma Viruses, MurineVirionNucleic Acid HybridizationVirus AssemblyCloning, MolecularProtein KinasesTransfectionRecombination, GeneticRNA VirusesGenes, gagXenotropic murine leukemia virus-related virusGenes, envDNA Restriction EnzymesVirus CultivationLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidThymus NeoplasmsBlotting, SouthernSpecies SpecificityCells, CulturedAntibodies, MonoclonalMurine Acquired Immunodeficiency SyndromeOncogenic VirusesGene Products, taxRibonuclease HRetroviridae ProteinsGenesRadiation Leukemia VirusTerminal Repeat SequencesGenes, polAntibody SpecificityRestriction MappingMuridaeTranscription, GeneticGene Expression Regulation, ViralHylobatesPlasmacytomaNeutralization Tests