Bacteria, AerobicBacteriaGram-Negative Aerobic BacteriaBacteria, AnaerobicGram-Positive BacteriaAerobiosisGram-Negative BacteriaRNA, Ribosomal, 16SDNA, RibosomalPhylogenyDNA, BacterialSoil MicrobiologyMolecular Sequence DataBase CompositionBiodegradation, EnvironmentalAnaerobiosisSequence Analysis, DNAWater MicrobiologyGenes, rRNABacterial ProteinsSeawaterEscherichia coliCulture MediaGram-Negative Aerobic Rods and CocciFatty AcidsBacterial Typing TechniquesBacterial InfectionsColony Count, MicrobialGeologic SedimentsAnti-Bacterial AgentsEnterobacteriaceaeBacteroides fragilisBacteriological TechniquesSpecies SpecificityPseudomonasRNA, BacterialActinomycetalesGammaproteobacteriaPeptostreptococcusBacillusBacteroidesRhodobacteraceaeMicrobial Sensitivity TestsSphingomonasGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaSodium ChlorideFungiBacteroides InfectionsFood MicrobiologyBase SequenceSulfur-Reducing BacteriaGenes, BacterialHydrogen-Ion ConcentrationFecesOxidation-ReductionStaphylococcusNucleic Acid HybridizationGene Expression Regulation, BacterialTemperaturePhenotypeAlphaproteobacteriaMetronidazoleGenome, BacterialSymbiosisKoreaBacterial AdhesionAmino Acid SequenceQuinonesSewageFresh WaterBiofilmsFermentationSpecimen HandlingProteobacteriaPseudomonas aeruginosaStaphylococcus aureusOxygenBetaproteobacteriaMicrobial ViabilityVibrioStreptococcusCytophagaVirulenceChinaCloning, MolecularPolymerase Chain ReactionPlasmidsSalmonella typhimuriumArchaeaMutationGram-Negative Bacterial InfectionsAntibiosisClostridiumSequence Homology, Amino AcidEubacteriumBacillus subtilisIntestinesActinobacteriaMouth