Clone CellsRNA, Ribosomal, 16SBacteriaPhylogenyDNA, RibosomalBiodiversitySequence Analysis, DNAMolecular Sequence DataGenes, rRNAPacific OceanDNA, ArchaealDNA, BacterialArchaeaProteobacteriaMethanobrevibacterBiotaSeawaterActinobacteriaEpsilonproteobacteriaPlanktonCloning, MolecularWater MicrobiologyBetaproteobacteriaCrenarchaeotaGeologic SedimentsSoil MicrobiologyBase SequenceBacteroidetesMethaneUraniumFresh WaterGene LibraryGammaproteobacteriaChloroflexiEcosystemCluster AnalysisRNA, BacterialRNA, ArchaealBioreactorsPolymerase Chain ReactionSequence Homology, Nucleic AcidIn Situ Hybridization, FluorescencePolymorphism, Restriction Fragment LengthBiodegradation, EnvironmentalAmino Acid SequenceGenetic VariationColony Count, MicrobialDNA, ComplementaryDNANucleic Acid HybridizationRNA, MessengerCell LineGenesSequence Homology, Amino AcidChromosomes, Artificial, BacterialBlotting, SouthernChromosome MappingGenomic LibraryBlotting, NorthernPlasmidsDNA Restriction EnzymesTransfectionCosmidsDNA, RecombinantSequence AlignmentMutationTranscription, GeneticGene ExpressionDNA PrimersElectrophoresis, Gel, Pulsed-FieldEscherichia coliPhenotypeT-LymphocytesGenes, BacterialEpitopesHybrid CellsOpen Reading FramesTumor Cells, CulturedRecombinant ProteinsAntibodies, MonoclonalDNA FingerprintingRepetitive Sequences, Nucleic AcidCell DivisionCells, CulturedT-Lymphocytes, CytotoxicGenetic VectorsSpecies SpecificityLymphocyte ActivationSequence Tagged SitesGene Expression RegulationRNADNA, ViralDNA ProbesContig MappingMultigene FamilyOligonucleotide ProbesGenotypeChromosomes, Artificial, YeastMolecular WeightBacterial Typing Techniques