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 CellsVirus IntegrationMink Cell Focus-Inducing VirusesBase 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, polAmino Acid SequenceHelper VirusesGenes, envRecombination, GeneticVirus AssemblyNucleic Acid HybridizationCloning, MolecularTransfectionMutationThymus NeoplasmsTranscription, GeneticDNA, RecombinantTerminal Repeat SequencesLymphomaEnhancer Elements, GeneticTransduction, GeneticHylobatesLeukemia, Myeloid, AcuteParalysisMinkThymomaRNA, Transfer, ProLeukemia Virus, Gibbon ApeAvian myeloblastosis virusGene Expression Regulation, ViralLymphoma, T-CellPlasmidsDNA Restriction EnzymesProto-Oncogene Proteins c-pim-1Cells, CulturedCell Transformation, NeoplasticBlotting, SouthernOncogenesHIV-1Human T-lymphotropic virus 1CapsidGiant CellsMice, Inbred BALB CGenome, ViralRestriction MappingFusion Proteins, gag-polSpecies SpecificityDNA NucleotidyltransferasesNIH 3T3 CellsDNA PrimersChimeraVirus CultivationProto-OncogenesBinding SitesAntigens, ViralLeukemia, Erythroblastic, AcuteViral Plaque AssayTemplates, Genetic