Repetitive Sequences, Nucleic AcidEndogenous RetrovirusesRetroviridaeBase SequenceMolecular Sequence DataRetroviridae InfectionsNucleic Acid RenaturationNucleic Acid HybridizationCloning, MolecularInterspersed Repetitive SequencesDNASequence Analysis, DNASequence Homology, Nucleic AcidLong Interspersed Nucleotide ElementsDNA Transposable ElementsRetroelementsAmino Acid SequenceRetroviruses, SimianLeukemia Virus, MurineAlu ElementsBlotting, SouthernTerminal Repeat SequencesBetaretrovirusGenome, PlantRepetitive Sequences, Amino AcidSpumavirusChromosomes, Artificial, BacterialDNA, PlantChromosome MappingDNA, SatelliteDNA Restriction EnzymesProvirusesShort Interspersed Nucleotide ElementsSpecies SpecificityPolymerase Chain ReactionPhylogenyRestriction MappingCentromereGene Products, gagDendrobiumRecombination, GeneticCell LineSequence AlignmentTandem Repeat SequencesEvolution, MolecularSimian foamy virusGenesDNA, ViralVirus IntegrationPhysical Chromosome MappingGenomePrimed In Situ LabelingTranscription, GeneticRetroviridae ProteinsDNA, RecombinantGenomic LibraryChromosomesHeterochromatinDNA ProbesIn Situ Hybridization, FluorescencePlasmidsMoloney murine leukemia virusGenes, ViralChromosomes, PlantChromosome WalkingRNA-Directed DNA PolymeraseGenes, polNucleic Acid ConformationGenes, gagGammaretrovirusDeoxyribonuclease BamHIProtothecaGene LibraryBase CompositionCosmidsContig Mapping3' Flanking RegionGenes, envMason-Pfizer monkey virusDNA, FungalGenome, HumanDNA PrimersGenetic VectorsVirus ReplicationGenetic VariationRNA, ViralGenes, Intracisternal A-ParticlePrimatesAlpharetrovirusHIV-1Sequence Homology, Amino AcidDNA MethylationMutationGene Products, envRNADNA FingerprintingGenomic Structural VariationAvian leukosis virusBiological EvolutionGene Products, pol