Recombination, GeneticGene LibraryRad52 DNA Repair and Recombination ProteinRad51 RecombinaseMolecular Sequence DataMeiosisBase SequenceDNA RepairEscherichia coliCloning, MolecularMutationSaccharomyces cerevisiaeDNA-Binding ProteinsHomologous RecombinationDNA HelicasesSaccharomyces cerevisiae ProteinsSequence Analysis, DNALibraries, MedicalFungal ProteinsDNA DamageAmino Acid SequencePhylogenyUltraviolet RaysLibrariesGenes, BacterialCrossing Over, GeneticPlasmidsDNA, BacterialRNA, Ribosomal, 16SMethanobrevibacterV(D)J RecombinationRestriction MappingCombinatorial Chemistry TechniquesSequence Homology, Nucleic AcidChromosome MappingDNAIntegrasesGenesLibrary ServicesBacteriaDNA Restriction EnzymesModels, GeneticLibraries, HospitalDNA, FungalDNA, RibosomalGene ConversionGenomic LibraryNucleic Acid HybridizationCosmidsPolymerase Chain ReactionDirected Molecular EvolutionBiodiversityGenetic VariationSequence Homology, Amino AcidRepetitive Sequences, Nucleic AcidRecombinasesBlotting, SouthernProteobacteriaBiotaGenetic Complementation TestDNA NucleotidyltransferasesNational Library of Medicine (U.S.)DNA PrimersVDJ RecombinasesLibrary SurveysDNA Breaks, Double-StrandedBacterial ProteinsDNA, RecombinantSequence AlignmentArchaeaSoil MicrobiologyEvolution, MolecularLibrary AdministrationRNA, ArchaealDNA, ArchaealImmunoglobulin Class SwitchingSmall Molecule LibrariesGenes, rRNAAllelesRec A RecombinasesMultigene FamilyPolymorphism, Restriction Fragment LengthChromosomes, FungalAttachment Sites, MicrobiologicalLibrary ScienceGenetic MarkersLibraries, DigitalLibraries, NursingImmunoglobulin Joining RegionBacteriophage lambdaChromosome PairingGenetic LinkageCrosses, GeneticGenes, RAG-1Gene RearrangementExodeoxyribonucleasesCluster AnalysisChromosomesGene TargetingTranscription, Genetic