PhylogenyRNA, Ribosomal, 16SDNA, RibosomalMolecular Sequence DataSequence Analysis, DNADNA, BacterialBase CompositionSpecies SpecificityGenes, rRNABacterial Typing TechniquesBacteriaActinomycetalesRNA, BacterialFatty AcidsBase SequenceSeawaterEvolution, MolecularWater MicrobiologyBiological EvolutionPhenotypeNucleic Acid HybridizationBacterial ProteinsDNA, Ribosomal SpacerCulture MediaAmino Acid SequenceGeologic SedimentsAquatic OrganismsSequence Homology, Nucleic AcidFresh WaterBacteriological TechniquesSequence AlignmentAlphaproteobacteriaAnti-Bacterial AgentsPolymerase Chain ReactionFungiTerminology as TopicGenes, BacterialGenome, BacterialOrganisms, Genetically ModifiedEscherichia coliGenetic VariationQuinonesGram-Positive BacteriaAnaerobiosisEnterobacteriaceaeEcosystemPigments, BiologicalSodium ChlorideTemperatureGammaproteobacteriaVitamin K 2EukaryotaBacteria, AnaerobicKoreaCluster AnalysisCorynebacteriumSequence Homology, Amino AcidMicrobial Sensitivity TestsActinobacteriaDNA, FungalRNA, Ribosomal, 18SBiodiversityModels, BiologicalAscomycotaClassificationPseudomonasSewageMarine BiologyDNA PrimersBacteroidetesMycoplasmaPlantsGenomicsMutationMicromonosporaceaeNocardiaCloning, MolecularBacillaceaeHydrogen-Ion ConcentrationGram-Negative Bacterial InfectionsModels, GeneticFossilsAerobiosisEnvironmental MicrobiologyBetaproteobacteriaFlavobacteriaceaeFecesBiodegradation, EnvironmentalColony Count, MicrobialCaenorhabditis elegansBacteria, AerobicGenomeBacterial InfectionsCell WallCarbohydrate MetabolismEscherichiaMicroscopy, Electron, ScanningRhodobacteraceaeGeographyAntarctic Regions