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 LineProvirusesVirus Replication3T3 CellsMink Cell Focus-Inducing VirusesVirus IntegrationBase SequenceRauscher VirusMolecular Sequence DataRNA, ViralRibonuclease HRepetitive Sequences, Nucleic AcidGenetic VectorsLeukemia Virus, BovineGammaretrovirusTumor Virus InfectionsGenes, gagVirionReceptors, VirusGene Products, envViral Envelope ProteinsRetroviridae Proteins, OncogenicLeukemiaViral ProteinsDefective VirusesIntegrasesCell Transformation, ViralMice, Inbred AKRMice, Inbred StrainsRetroviridae ProteinsGenes, polHelper VirusesAmino Acid SequenceGenes, envRecombination, GeneticVirus AssemblyNucleic Acid HybridizationCloning, MolecularThymus NeoplasmsTransfectionDNA, RecombinantTranscription, GeneticMutationTerminal Repeat SequencesLymphomaEnhancer Elements, GeneticTransduction, GeneticHylobatesLeukemia, Myeloid, AcuteParalysisMinkThymomaRNA, Transfer, ProLeukemia Virus, Gibbon ApeAvian myeloblastosis virusGene Expression Regulation, ViralLymphoma, T-CellDNA Restriction EnzymesPlasmidsProto-Oncogene Proteins c-pim-1Cell Transformation, NeoplasticBlotting, SouthernOncogenesHuman T-lymphotropic virus 1HIV-1CapsidGiant CellsCells, CulturedGenome, ViralMice, Inbred BALB CRestriction MappingFusion Proteins, gag-polSpecies SpecificityDNA NucleotidyltransferasesNIH 3T3 CellsDNA PrimersChimeraVirus CultivationProto-OncogenesAntigens, ViralLeukemia, Erythroblastic, AcuteViral Plaque AssayTemplates, GeneticBinding Sites