Bacteria, AnaerobicBacteriaGram-Negative Anaerobic BacteriaBacteria, AerobicAnaerobiosisFusobacteriumGram-Positive BacteriaGram-Negative BacteriaPeptostreptococcusEubacteriumBacteroidesPeptococcusClostridiumRNA, Ribosomal, 16SPeptococcaceaeBacteroides fragilisDNA, BacterialBacteroidaceaeMolecular Sequence DataBacteriological TechniquesBacterial InfectionsAnti-Bacterial AgentsPhylogenyDNA, RibosomalCulture MediaBacterial ProteinsMicrobial Sensitivity TestsVeillonellaPropionibacteriumSequence Analysis, DNAEscherichia coliPrevotella melaninogenicaWater MicrobiologyFermentationCefotetanGram-Negative Aerobic BacteriaAerobiosisColony Count, MicrobialBacterial Physiological PhenomenaSpecies SpecificityClostridium perfringensSoil MicrobiologyRNA, BacterialPrevotellaBase CompositionGenes, BacterialCefoxitinGenes, rRNAMetronidazoleBiodegradation, EnvironmentalPorphyromonasCephamycinsBacteroides InfectionsSeawaterSuppurationGene Expression Regulation, BacterialClindamycinEnterobacteriaceaeEsculinGram-Negative Facultatively Anaerobic RodsGenome, BacterialFecesSulfur-Reducing BacteriaAmino Acid SequenceGeologic SedimentsClostridium tetaniFresh WaterBacterial Typing TechniquesPseudomonasStreptococcusBase SequenceBacterial AdhesionDeltaproteobacteriaHydrogen-Ion ConcentrationAnti-Infective AgentsCecumDrug Resistance, MicrobialIntestinesOxidation-ReductionSymbiosisVeillonellaceaeDesulfovibrioLactamsActinomycetaceaeEvaluation Studies as TopicAbscessFusobacterium necrophorumAgarBifidobacteriumFatty AcidsPropionibacterium acnesBacillusMouthOrnidazoleFungiPropionibacteriaceaeGram-Positive CocciCarbohydrate MetabolismTemperaturePorphyromonas gingivalis