RNA, Ribosomal, 16SPhylogenyDNA, RibosomalBacteriaSequence Analysis, DNABacteriological TechniquesDNA, BacterialSpecies SpecificityBacterial Typing TechniquesBacteria, AnaerobicMolecular Sequence DataGenes, rRNADNA Barcoding, TaxonomicGram-Positive RodsBacteria, AerobicMetagenomeRNA, BacterialFungiActinomycetalesSeawaterEnterobacteriaceaeSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBacteroidetesGram-Negative BacteriaDNA, Ribosomal SpacerWater MicrobiologyBase CompositionPolymerase Chain ReactionEvaluation Studies as TopicBase SequenceEcosystemSoil MicrobiologySensitivity and SpecificityPoriferaBacterial InfectionsFecesInvertebratesEvolution, MolecularFatty AcidsDNA PrimersBiodiversityCnidariaAnnelidaGeologic SedimentsChloroflexiPlatyhelminthsActinobacteriaCytophagaCluster AnalysisProteobacteriaHydrozoaRNA, Ribosomal, 18SBiological EvolutionCytophagaceaeCtenophoraBiotaEchinodermataApicomplexaFresh WaterSequence Homology, Nucleic AcidAcidobacteriaGenome, BacterialIsopteraArthropodsVitamin K 2MetagenomicsHot SpringsEukaryotaPlacozoaArchaeaSequence AlignmentRNA, Ribosomal, 28SNucleic Acid HybridizationPigments, BiologicalQuinonesAlphaproteobacteriaGram-Negative Aerobic Rods and CocciNematodaAerobiosisAmino Acid SequenceRhizosphereFlavobacteriumSea AnemonesGammaproteobacteriaPhenotypeMicrobiotaSewageFusobacteriaTerminology as TopicGastrointestinal TractDNA, ArchaealBacterial Physiological PhenomenaChordata, NonvertebrateAscomycotaAnaerobiosisBryozoaFossilsKoreaBacteroidesVerrucomicrobia