Leukemia Virus, MurineMoloney murine leukemia virusLeukemia Virus, BovineLeukemia Virus, FelineLeukemiaProvirusesLeukemia, ExperimentalFriend murine leukemia virusAKR murine leukemia virusLeukemia, Myeloid, AcuteHuman T-lymphotropic virus 1DNA, ViralVirus ReplicationRetroviridaeCell LineAbelson murine leukemia virusMolecular Sequence DataGenes, ViralEnzootic Bovine LeukosisReceptors, VirusRetroviridae InfectionsLeukemia, Lymphocytic, Chronic, B-CellGene Products, taxLeukemia Virus, Gibbon ApeRNA VirusesRauscher VirusVirus IntegrationLeukemia, LymphoidRNA, ViralBase SequenceDefective VirusesVirus CultivationViral ProteinsVaccinia virusCell Transformation, ViralGene Products, gagVirus AssemblyTumor Virus InfectionsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveAmino Acid SequenceRNA-Directed DNA PolymeraseLeukemia, T-CellMice, Inbred AKRRepetitive Sequences, Nucleic AcidHTLV-I InfectionsAvian leukosis virusGene Expression Regulation, ViralHuman T-lymphotropic virus 2GammaretrovirusAntigens, ViralLeukemia-Lymphoma, Adult T-CellRetroviridae Proteins, OncogenicVirionPolymerase Chain ReactionDeltaretrovirusTerminal Repeat SequencesSimian virus 40Virus SheddingGenetic VectorsGene Products, envHIV-1Mink Cell Focus-Inducing VirusesVirus DiseasesGenes, envHylobatesCells, CulturedOncogenic VirusesTranscription, GeneticRecombination, GeneticPrecursor Cell Lymphoblastic Leukemia-LymphomaSarcoma Viruses, MurineGenes, pXMammary Tumor Virus, MouseRadiation Leukemia VirusGenes, gagTransfectionPlant VirusesLymphomaDNA VirusesCatsRetroviridae ProteinsDeltaretrovirus InfectionsNucleic Acid HybridizationSindbis VirusMice, Inbred StrainsGene Products, rexVirus ActivationGenes, polHelper VirusesLeukemia, FelineViral Envelope ProteinsT-LymphocytesCloning, MolecularMeasles virusCattle DiseasesInfluenza A Virus, H1N1 SubtypePreleukemiaMinkAvian Sarcoma VirusesLeukemia, Monocytic, Acute