Avian Sarcoma VirusesSarcoma Viruses, MurineSarcomaZebrafish ProteinsSarcoma Viruses, FelineKirsten murine sarcoma virusLeukemia Virus, FelineRous sarcoma virusMoloney murine sarcoma virusImmunodeficiency Virus, FelineSarcoma, ExperimentalCell Transformation, ViralHarvey murine sarcoma virusCatsSarcoma, AvianAlpharetrovirusSarcoma, EwingFeline Acquired Immunodeficiency SyndromeGammaretrovirusCat DiseasesSarcoma, KaposiSarcoma, SynovialCalicivirus, FelineCoronavirus, FelineSarcoma Virus, Woolly MonkeyGenes, ViralDefective VirusesChick EmbryoRNA VirusesOncogene Protein pp60(v-src)RetroviridaeVirus ReplicationRNA, ViralViral ProteinsOncogenic VirusesMoloney murine leukemia virusCell Transformation, NeoplasticSarcoma 180Embryo, NonmammalianVirus CultivationHelper VirusesMolecular Sequence DataAvian leukosis virusFeline PanleukopeniaCell LineReceptors, VirusVaccinia virusDNA, ViralFeline Infectious PeritonitisBase SequenceFeline panleukopenia virusVirus AssemblyGene Products, gagRetroviridae ProteinsSimian virus 40Amino Acid SequenceAnimals, Genetically ModifiedOncogenesVirus SheddingRNA-Directed DNA PolymeraseVirus DiseasesAntigens, ViralCells, CulturedLeukemia, FelineQuailEpsilonretrovirusSoft Tissue NeoplasmsPlant VirusesMutationDNA VirusesNucleic Acid HybridizationGene Expression Regulation, DevelopmentalChickensSindbis VirusMeasles virusInfluenza A Virus, H1N1 SubtypeVirionHistiocytic SarcomaPhylogenyRabies virusInfluenza A Virus, H5N1 SubtypeFibroblastsCloning, MolecularCulture TechniquesTumor Virus InfectionsGenes, gagIn Situ HybridizationTemperatureSpecies SpecificitySarcoma, MyeloidTransfectionLentivirus InfectionsRepetitive Sequences, Nucleic AcidAvian myeloblastosis virusRecombination, GeneticTranscription, GeneticInfluenza A Virus, H3N2 SubtypeGenetic VectorsHepatitis B virusMolecular Weight