ProvirusesUnited StatesHIV InfectionsEndogenous RetrovirusesLeukemia Virus, MurineHIV SeropositivityDNA, ViralVirus IntegrationRetroviridaeGenes, ViralAKR murine leukemia virusBase SequenceMammary Tumor Virus, MouseTerminal Repeat SequencesMice, Inbred AKRRepetitive Sequences, Nucleic AcidHIV-1Molecular Sequence DataReticuloendotheliosis virusMoloney murine leukemia virusRecombination, GeneticRetroviridae InfectionsAvian leukosis virusDNA Restriction EnzymesLeukemia Virus, FelineHIV SeroprevalenceDefective VirusesHelper VirusesHIV SeronegativityGenes, envLeukemia, ExperimentalGenes, polVirus ReplicationRNA, ViralMink Cell Focus-Inducing VirusesAvian LeukosisGenes, gagMice, Inbred StrainsThymus NeoplasmsCell LineCloning, MolecularLymphomaNucleic Acid HybridizationTranscription, GeneticVirus LatencyGene Products, gagGenetic VectorsCell Transformation, ViralAIDS SerodiagnosisLeukemia Virus, BovineGene Expression Regulation, ViralHIV AntigensGenome, ViralAnti-HIV AgentsThymomaAcquired Immunodeficiency SyndromeBlotting, SouthernRetroviruses, SimianAmino Acid SequenceTheropithecusSpumavirusHIV Protease InhibitorsOncogenesRetroviridae Proteins, OncogenicVirus ActivationSexual BehaviorRNA, Transfer, ProBetaretrovirusRestriction MappingDNA, NeoplasmPolymerase Chain ReactionPhylogenyTransfectionGammaretrovirusMinkHomosexuality, MaleSequence Homology, Nucleic AcidEnzootic Bovine LeukosisKanamycin KinaseRNA-Directed DNA PolymeraseMutationRisk-TakingDeoxyribonuclease EcoRIVirionCD4 Lymphocyte CountLymphoma, T-CellTumor Virus InfectionsChromosome MappingViral Envelope ProteinsDNA, RecombinantAnti-Retroviral AgentsAvian Sarcoma VirusesDNA PrimersHIV Core Protein p24HIV Reverse TranscriptaseSouth AfricaCatsCD4-Positive T-Lymphocytestat Gene Products, Human Immunodeficiency VirusHIV Envelope Protein gp120