Gene LibraryCloning, MolecularLibraries, MedicalMolecular Sequence DataLibrariesBase SequenceRNA, Ribosomal, 16SSequence Analysis, DNAMethanobrevibacterAmino Acid SequenceCombinatorial Chemistry TechniquesGenes, BacterialLibrary ServicesPhylogenyLibraries, HospitalDNA, BacterialBacteriaBiodiversityGenomic LibraryDirected Molecular EvolutionDNA, RibosomalBiotaProteobacteriaRestriction MappingCosmidsEscherichia coliNational Library of Medicine (U.S.)GenesNucleic Acid HybridizationDNA Restriction EnzymesLibrary SurveysSequence Homology, Nucleic AcidLibrary AdministrationRNA, ArchaealPlasmidsSoil MicrobiologySequence Homology, Amino AcidArchaeaDNA, ArchaealSmall Molecule LibrariesGenes, rRNALibrary ScienceLibraries, DigitalLibraries, NursingGenetic Complementation TestPolymerase Chain ReactionDNALibrary AssociationsRNA, BacterialCatalogs, LibraryDNA PrimersBlotting, SouthernLibrary Collection DevelopmentGeologic SedimentsBacterial ProteinsChromosome MappingEcosystemPolymorphism, Restriction Fragment LengthRepetitive Sequences, Nucleic AcidDNA, RecombinantSequence AlignmentLibrary Technical ServicesCluster AnalysisSeawaterLibrary AutomationMultigene FamilyDNA, FungalLibrary MaterialsCodonMutationRecombinant ProteinsDNA, ComplementaryGene Expression Regulation, BacterialGenetic VariationTranscription, GeneticInterlibrary LoansLibraries, DentalLibrary SchoolsFacility Design and ConstructionLibrariansChromosomes, Artificial, BacterialMEDLARSRNA, MessengerCatalogingHigh-Throughput Screening AssaysBooksArchitecture as TopicBacteriophage M13Blotting, NorthernOnline SystemsInformation ServicesPeptidesBook CollectingBook SelectionProtein EngineeringGene ExpressionInterior Design and FurnishingsBibliography as TopicTwo-Hybrid System TechniquesSoftware