Moloney murine leukemia virusLeukemia Virus, MurineLeukemia, ExperimentalAKR murine leukemia virusFriend murine leukemia virusMoloney murine sarcoma virusRNA-Directed DNA PolymeraseRetroviridae InfectionsAbelson murine leukemia virusDNA, ViralRetroviridaeSarcoma Viruses, MurinePreleukemiaGene Products, gagLeukemia Virus, FelineGenes, ViralCell LineBase SequenceProvirusesVirus Replication3T3 CellsVirus IntegrationMink Cell Focus-Inducing VirusesMolecular Sequence DataRauscher VirusRNA, ViralGenetic VectorsRepetitive Sequences, Nucleic AcidRibonuclease HLeukemia Virus, BovineGammaretrovirusTumor Virus InfectionsGenes, gagVirionReceptors, VirusGene Products, envViral Envelope ProteinsPlasmidsRetroviridae Proteins, OncogenicLeukemiaViral ProteinsIntegrasesCell Transformation, ViralDefective VirusesAmino Acid SequenceMice, Inbred AKRMice, Inbred StrainsRetroviridae ProteinsGenes, polHelper VirusesRecombination, GeneticCloning, MolecularNucleic Acid HybridizationGenes, envDNA, RecombinantMutationVirus AssemblyTransfectionTranscription, GeneticThymus NeoplasmsTerminal Repeat SequencesLymphomaTransduction, GeneticEnhancer Elements, GeneticDNA Restriction EnzymesHylobatesLeukemia, Myeloid, AcuteParalysisMinkRNA, Transfer, ProThymomaLeukemia Virus, Gibbon ApeAvian myeloblastosis virusGene Expression Regulation, ViralLymphoma, T-CellBlotting, SouthernProto-Oncogene Proteins c-pim-1Restriction MappingCell Transformation, NeoplasticOncogenesHIV-1Human T-lymphotropic virus 1Cells, CulturedMice, Inbred BALB CCapsidGenome, ViralGiant CellsSpecies SpecificityDNA NucleotidyltransferasesFusion Proteins, gag-polDNA PrimersNIH 3T3 CellsChimeraPolymerase Chain ReactionGene Transfer TechniquesVirus CultivationProto-OncogenesBinding SitesAntigens, ViralTemplates, Genetic