SheepLeukemia Virus, MurineMoloney murine leukemia virusLeukemia Virus, BovineLeukemia Virus, FelineLeukemiaFriend murine leukemia virusLeukemia, ExperimentalAKR murine leukemia virusLeukemia, Myeloid, AcuteSheep DiseasesHuman T-lymphotropic virus 1Virus ReplicationReceptors, VirusAbelson murine leukemia virusLeukemia, Lymphocytic, Chronic, B-CellLeukemia Virus, Gibbon ApeRNA VirusesCell LineGene Products, taxLeukemia, LymphoidRauscher VirusEnzootic Bovine LeukosisMolecular Sequence DataRetroviridaeRetroviridae InfectionsGenes, ViralSheep, DomesticDNA, ViralVaccinia virusVirus CultivationDefective VirusesRNA, ViralLeukemia, Myelogenous, Chronic, BCR-ABL PositiveViral ProteinsVirus AssemblyProvirusesBase SequenceTumor Virus InfectionsLeukemia, T-CellAmino Acid SequenceRNA-Directed DNA PolymeraseCell Transformation, ViralAntigens, ViralGene Products, gagSimian virus 40Virus SheddingVirus IntegrationMice, Inbred AKRGammaretrovirusVirus DiseasesRetroviridae Proteins, OncogenicLeukemia-Lymphoma, Adult T-CellDeltaretrovirusHuman T-lymphotropic virus 2Oncogenic VirusesPrecursor Cell Lymphoblastic Leukemia-LymphomaVirionGene Expression Regulation, ViralRepetitive Sequences, Nucleic AcidRadiation Leukemia VirusPlant VirusesDNA VirusesSindbis VirusGene Products, envHylobatesGenetic VectorsCells, CulturedAvian leukosis virusLeukemia, FelineMeasles virusHTLV-I InfectionsPolymerase Chain ReactionInfluenza A Virus, H1N1 SubtypeGene Products, rexMink Cell Focus-Inducing VirusesLeukemia, Monocytic, AcuteSpecies SpecificityCattle DiseasesLeukemia, Hairy CellGenes, pXRabies virusSarcoma Viruses, MurineLeukemia, Radiation-InducedTransfectionInfluenza A Virus, H5N1 SubtypePreleukemiaCatsTerminal Repeat SequencesT-LymphocytesLymphomaTranscription, GeneticViral Envelope ProteinsRecombination, GeneticMice, Inbred StrainsDeltaretrovirus InfectionsVirus ActivationGenes, envHerpesvirus 1, BovineVesicular stomatitis Indiana virus