Avian Sarcoma VirusesProvirusesSarcoma Viruses, MurineSarcomaSarcoma Viruses, FelineKirsten murine sarcoma virusRous sarcoma virusMoloney murine sarcoma virusCell Transformation, ViralSarcoma, ExperimentalHarvey murine sarcoma virusSarcoma, AvianGenes, ViralGammaretrovirusAlpharetrovirusSarcoma, EwingDefective VirusesRetroviridaeSarcoma, KaposiSarcoma, SynovialMoloney murine leukemia virusDNA, ViralAvian leukosis virusSarcoma Virus, Woolly MonkeyHelper VirusesChick EmbryoRNA, ViralVirus ReplicationRNA VirusesOncogene Protein pp60(v-src)Leukemia Virus, MurineCell Transformation, NeoplasticViral ProteinsEndogenous RetrovirusesBase SequenceSarcoma 180Virus IntegrationCell LineVirus CultivationOncogenic VirusesLeukemia Virus, FelineGene Products, gagMolecular Sequence DataVaccinia virusRepetitive Sequences, Nucleic AcidReceptors, VirusOncogenesVirus AssemblyAKR murine leukemia virusRecombination, GeneticMammary Tumor Virus, MouseNucleic Acid HybridizationRNA-Directed DNA PolymeraseSimian virus 40Reticuloendotheliosis virusDNA Restriction EnzymesGenes, gagRetroviridae ProteinsTerminal Repeat SequencesVirus SheddingChickensVirionCells, CulturedVirus DiseasesRetroviridae InfectionsLeukemia, ExperimentalGenetic VectorsQuailTranscription, GeneticEpsilonretrovirusVirus LatencyPlant VirusesGene Expression Regulation, ViralSoft Tissue NeoplasmsAmino Acid SequenceDNA VirusesAntigens, ViralVirus ActivationTumor Virus InfectionsTransfectionSindbis VirusMeasles virusCloning, MolecularMice, Inbred AKRInfluenza A Virus, H1N1 SubtypeHistiocytic SarcomaFibroblastsAvian LeukosisRabies virusGenes, envInfluenza A Virus, H5N1 SubtypeDNA, RecombinantMinkGenes, polMice, Inbred StrainsMutationCulture TechniquesSarcoma, MyeloidAvian myeloblastosis virusInfluenza A Virus, H3N2 Subtype