Leukemia Virus, MurineLeukemia Virus, BovineProvirusesAKR murine leukemia virusMoloney murine leukemia virusFriend murine leukemia virusLeukemia, ExperimentalMice, Inbred AKRReceptors, VirusDNA, ViralGenes, ViralRetroviridae InfectionsMice, Inbred StrainsBase SequenceCell LineMammary Tumor Virus, MouseViral Envelope ProteinsAbelson murine leukemia virusNucleic Acid HybridizationRetroviridae Proteins, OncogenicVirus ReplicationRetroviridaeMolecular Sequence Data3T3 CellsLeukemia Virus, FelineRauscher VirusDNA Restriction EnzymesRecombination, GeneticAmino Acid SequenceCloning, MolecularMembrane FusionMinkMink Cell Focus-Inducing VirusesSpecies SpecificityGene Products, gagLeukemiaLymphomaRNA, ViralCell Transformation, ViralRNA-Directed DNA PolymeraseHuman T-lymphotropic virus 1Virus IntegrationRepetitive Sequences, Nucleic AcidGammaretrovirusTumor Virus InfectionsEndogenous RetrovirusesDefective VirusesViral ProteinsLeukemia, Myeloid, AcuteHelper VirusesCrosses, GeneticGene Products, envLeukemia Virus, Gibbon ApeSarcoma Viruses, MurineGenetic VectorsPreleukemiaVirionGenes, envCationic Amino Acid Transporter 1Genes, gagHIV-1Thymus NeoplasmsPolymerase Chain ReactionVirus AssemblyMurine Acquired Immunodeficiency SyndromeAntigens, ViralGenes, polMuridaeRetroviridae ProteinsRNA VirusesMammary Neoplasms, ExperimentalXenotropic murine leukemia virus-related virusTransfectionTerminal Repeat SequencesVirus CultivationGene Expression Regulation, ViralLeukemia, Lymphocytic, Chronic, B-CellGene Products, taxLeukemia, LymphoidCricetinaeThymomaViral InterferenceTranscription, GeneticOncogenic VirusesMice, Inbred BALB CCells, CulturedRibonuclease HEnzootic Bovine LeukosisRadiation Leukemia VirusParalysisMutationHylobatesCell Transformation, NeoplasticAvian leukosis virusTransduction, GeneticPhylogenyLeukemia, Radiation-InducedDNA, RecombinantLeukemia, Erythroblastic, AcuteOncogenes