Bacteria, AerobicBacteriaGram-Negative Aerobic BacteriaBacteria, AnaerobicAerobiosisRNA, Ribosomal, 16SGram-Positive BacteriaDNA, RibosomalGram-Negative BacteriaPhylogenySoil MicrobiologyDNA, BacterialBiodegradation, EnvironmentalBase CompositionAnaerobiosisMolecular Sequence DataSequence Analysis, DNAGenes, rRNAGram-Negative Aerobic Rods and CocciWater MicrobiologyFatty AcidsBacteroides fragilisSeawaterBacterial Typing TechniquesBacterial InfectionsGeologic SedimentsCulture MediaEnterobacteriaceaeColony Count, MicrobialActinomycetalesPeptostreptococcusBacteriological TechniquesSpecies SpecificityAnti-Bacterial AgentsBacterial ProteinsBacillusRhodobacteraceaePseudomonasEscherichia coliGammaproteobacteriaBacteroidesSphingomonasBacteroides InfectionsRNA, BacterialSodium ChlorideAlphaproteobacteriaFungiMicrobial Sensitivity TestsFood MicrobiologyMetronidazoleSewageNucleic Acid HybridizationStaphylococcusKoreaFecesPhenotypeHydrogen-Ion ConcentrationOxidation-ReductionTemperatureQuinonesBase SequenceSpecimen HandlingGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaOxygenSulfur-Reducing BacteriaGenes, BacterialChinaGene Expression Regulation, BacterialGenome, BacterialSymbiosisBacterial AdhesionAmino Acid SequenceFresh WaterBiofilmsFermentationProteobacteriaPseudomonas aeruginosaStaphylococcus aureusBetaproteobacteriaMicrobial Viability