ProvirusesEndogenous RetrovirusesBiologyLeukemia Virus, MurineSystems BiologyDNA, ViralVirus IntegrationRetroviridaeGenes, ViralAKR murine leukemia virusMammary Tumor Virus, MouseBase SequenceTerminal Repeat SequencesMice, Inbred AKRRepetitive Sequences, Nucleic AcidReticuloendotheliosis virusMoloney murine leukemia virusRecombination, GeneticMolecular BiologyDevelopmental BiologyMolecular Sequence DataRetroviridae InfectionsAvian leukosis virusDNA Restriction EnzymesLeukemia Virus, FelineDefective VirusesHelper VirusesLeukemia, ExperimentalSynthetic BiologyGenes, envGenes, polMink Cell Focus-Inducing VirusesAvian LeukosisMice, Inbred StrainsGenes, gagThymus NeoplasmsComputational BiologyCloning, MolecularLymphomaCell LineVirus ReplicationNucleic Acid HybridizationRNA, ViralTranscription, GeneticGenetic VectorsCell Transformation, ViralLeukemia Virus, BovineHIV-1Virus LatencyGenome, ViralThymomaGene Products, gagBlotting, SouthernRetroviruses, SimianGene Expression Regulation, ViralSpumavirusTheropithecusOncogenesAmino Acid SequenceRetroviridae Proteins, OncogenicDNA, NeoplasmPhylogenyRNA, Transfer, ProBetaretrovirusRestriction MappingSequence Homology, Nucleic AcidMinkKanamycin KinaseGammaretrovirusEnzootic Bovine LeukosisVirus ActivationChromosome MappingTransfectionPolymerase Chain ReactionLymphoma, T-CellDeoxyribonuclease EcoRIDNA, RecombinantTumor Virus InfectionsMutationRNA-Directed DNA PolymeraseViral Envelope ProteinsAvian Sarcoma VirusesSequence Analysis, DNAVirionChickensDNA PrimersCatsGene Expression RegulationCrosses, GeneticDeltaretrovirusSequence AlignmentPongo pygmaeusBiological EvolutionProto-OncogenesSequence DeletionHIV Long Terminal RepeatXenotropic murine leukemia virus-related virusSpecies SpecificityDNAGenome