Sarcoma Viruses, FelineMoloney murine leukemia virusLeukemia Virus, MurineLeukemia Virus, FelineRetroviridaeSarcoma Viruses, MurineAvian Sarcoma VirusesOncogene Protein gp140(v-fms)Moloney murine sarcoma virusLeukemia, ExperimentalMinkAKR murine leukemia virusFriend murine leukemia virusCell Transformation, ViralOncogenic VirusesGenes, ViralDNA, ViralGene Products, gagRNA-Directed DNA PolymeraseHelper VirusesRetroviridae InfectionsCell LineAbelson murine leukemia virusCatsBase SequenceRetroviridae ProteinsViral ProteinsVirus ReplicationRNA, ViralPreleukemiaOncogenesGammaretrovirusProvirusesVirus IntegrationSarcomaMolecular Sequence DataRauscher Virus3T3 CellsMink Cell Focus-Inducing VirusesRepetitive Sequences, Nucleic AcidGenetic VectorsNucleic Acid HybridizationReceptors, VirusDefective VirusesRibonuclease HCell Transformation, NeoplasticTumor Virus InfectionsGenes, gagVirionLeukemia Virus, BovineGene Products, envViral Envelope ProteinsKirsten murine sarcoma virusRetroviridae Proteins, OncogenicVirus AssemblyAmino Acid SequenceIntegrasesLeukemiaRecombination, GeneticCat DiseasesGenes, polMice, Inbred StrainsSarcoma, ExperimentalMice, Inbred AKRGenes, envRous sarcoma virusCloning, MolecularTransfectionTranscription, GeneticMutationDNA, RecombinantGenesMolecular WeightRNA VirusesAntigens, ViralTerminal Repeat SequencesVirus CultivationThymus NeoplasmsLymphomaEnhancer Elements, GeneticImmunodeficiency Virus, FelineAvian myeloblastosis virusTransduction, GeneticGene Expression Regulation, ViralHarvey murine sarcoma virusHylobatesCells, CulturedDNA Restriction EnzymesPlasmidsAlpharetrovirusSarcoma, AvianLeukemia, Myeloid, AcuteParalysisLeukemia Virus, Gibbon ApeSimian virus 40CapsidThymomaSpecies SpecificityRNA, Transfer, ProHIV-1