Avian Sarcoma VirusesAvian leukosis virusAlpharetrovirusAvian LeukosisSarcoma, AvianSarcomaChick EmbryoCell Transformation, ViralSarcoma Viruses, MurineChickensQuailAvian ProteinsGenes, ViralOncogene Protein pp60(v-src)Receptors, VirusSarcoma, ExperimentalDefective VirusesViral ProteinsRNA, ViralDNA, ViralCell Transformation, NeoplasticSarcoma, EwingSarcoma Viruses, FelineKirsten murine sarcoma virusRNA-Directed DNA PolymeraseRous sarcoma virusVirus ReplicationSarcoma, KaposiBase SequenceSarcoma, SynovialRetroviridae ProteinsRetroviridaeCell LineMoloney murine sarcoma virusHelper VirusesCoturnixDucksOncogenesNucleic Acid HybridizationGene Products, gagMolecular Sequence DataAvian myeloblastosis virusReticuloendotheliosis virusIntegrasesRNA VirusesOncogene Protein v-crkCulture TechniquesVirus IntegrationFibroblastsBursa of FabriciusSarcoma 180Harvey murine sarcoma virusCells, CulturedAmino Acid SequenceRepetitive Sequences, Nucleic AcidRecombination, GeneticAntigens, ViralVirus CultivationVaccinia virusGammaretrovirusGenes, srcGenes, gagProtein KinasesDNA Restriction EnzymesMolecular WeightEnzootic Bovine LeukosisPoultry DiseasesGenes, SyntheticIntegrase InhibitorsFusion Proteins, gag-oncMutationCloning, MolecularVirionSpecies SpecificityMoloney murine leukemia virusSimian virus 40Oncogenic VirusesVirus AssemblyGene Products, envTranscription, GeneticVirus SheddingSarcoma Virus, Woolly MonkeyRibonuclease T1Histiocytic SarcomaVirus DiseasesGenetic VectorsViral Fusion ProteinsPlant VirusesViral Envelope ProteinsSoft Tissue NeoplasmsDNA VirusesTransfectionPhosphoproteinsTemperatureMembrane FusionDNA, CircularSindbis VirusProvirusesMeasles virusGenes