Clone CellsRNA, Ribosomal, 16SBacteriaPhylogenyDNA, RibosomalMolecular Sequence DataSequence Analysis, DNABiodiversityGenes, rRNAPacific OceanDNA, ArchaealDNA, BacterialArchaeaSeawaterProteobacteriaActinobacteriaBiotaMethanobrevibacterWater MicrobiologyCloning, MolecularEpsilonproteobacteriaPlanktonBase SequenceBetaproteobacteriaCrenarchaeotaSoil MicrobiologyGeologic SedimentsFresh WaterGene LibraryRNA, BacterialMethaneEcosystemBacteroidetesUraniumGammaproteobacteriaChloroflexiCluster AnalysisRNA, ArchaealPolymerase Chain ReactionSequence Homology, Nucleic AcidBioreactorsAmino Acid SequencePolymorphism, Restriction Fragment LengthIn Situ Hybridization, FluorescenceBiodegradation, EnvironmentalGenetic VariationColony Count, MicrobialDNA, ComplementaryDNAEscherichia coliSpecies SpecificitySequence Homology, Amino AcidBacterial ProteinsNucleic Acid HybridizationSequence AlignmentMutationRNA, MessengerAnti-Bacterial AgentsPhenotypeGenes, BacterialCell LineCulture MediaAquatic OrganismsOrganisms, Genetically ModifiedGenesChromosome MappingPlasmidsEvolution, MolecularBiological EvolutionMicrobial Sensitivity TestsBlotting, SouthernDNA PrimersTranscription, GeneticBacteriological TechniquesChromosomes, Artificial, BacterialGenomic LibraryModels, BiologicalGenome, BacterialGene ExpressionBacterial Typing TechniquesMultigene FamilyOpen Reading FramesBlotting, NorthernEukaryotaDNA Restriction EnzymesGenomeMycoplasmaTransfectionRecombinant ProteinsPlantsGenomicsCosmidsExpressed Sequence TagsElectrophoresis, Gel, Pulsed-FieldGram-Positive BacteriaCaenorhabditis elegansFungiSaccharomyces cerevisiaeDrug Resistance, MicrobialGene Expression Regulation