RetroviridaeGenetic VectorsGene Transfer TechniquesGenetic TherapyMolecular Sequence DataBase SequenceGenes, polTransduction, GeneticVirus IntegrationMoloney murine leukemia virusNeomycinAmino Acid SequenceTransfectionCell LineRetroviridae ProteinsHematopoietic Stem CellsGene Products, polCloning, MolecularGenes, ViralGene ExpressionTranscription, GeneticMutagenesis, InsertionalProvirusesSevere Combined ImmunodeficiencyCells, CulturedLuminescent ProteinsPolymerase Chain ReactionRecombinant Fusion ProteinsDNA, ViralGreen Fluorescent Proteins3T3 CellsMutationDNA PrimersRNA, Messengerbeta-GalactosidaseGene Expression Regulation, ViralBlotting, SouthernRepetitive Sequences, Nucleic AcidAntigens, CD34Recombinant ProteinsEndogenous RetrovirusesRetroviridae InfectionsEscherichia coliCell DivisionLeukemia Virus, MurinePlasmidsTumor Cells, CulturedHematopoiesisGenes, BacterialT-LymphocytesBone Marrow CellsViral ProteinsMice, SCIDMice, Inbred C57BLSequence Homology, Amino AcidGene Products, gagCell DifferentiationRestriction MappingBacterial ProteinsGenesDNA-Binding ProteinsTime FactorsMice, Inbred BALB CSaccharomyces cerevisiaeBiological ProductsHematopoietic Stem Cell TransplantationDNA-Directed DNA PolymeraseTranscription FactorsRNA-Directed DNA PolymeraseVirus ReplicationDNAGenetic Complementation TestRNA, ViralGenes, gagTerminal Repeat SequencesHIV-1Flow CytometryGene Expression RegulationKineticsOpen Reading FramesBone Marrow TransplantationSequence Homology, Nucleic AcidSequence AlignmentPromoter Regions, GeneticMice, KnockoutIntegrasesRNA Polymerase IIRecombination, GeneticPhenotypeMutagenesisDNA, ComplementaryDNA Polymerase betaSpumavirusDNA ReplicationBinding SitesDNA Polymerase IIIHeLa CellsProtein BindingAvian Sarcoma VirusesSequence Analysis, DNA