Bacteria, AnaerobicBacteriaGram-Negative Anaerobic BacteriaAnaerobiosisBacteria, AerobicFusobacteriumPeptostreptococcusEubacteriumPeptococcusBacteroidesClostridiumGram-Positive BacteriaPeptococcaceaeBacteroides fragilisGram-Negative BacteriaBacteroidaceaeBacteriological TechniquesBacterial InfectionsRNA, Ribosomal, 16SVeillonellaCulture MediaAnti-Bacterial AgentsPrevotella melaninogenicaPropionibacteriumMicrobial Sensitivity TestsDNA, BacterialCefotetanDNA, RibosomalMolecular Sequence DataPhylogenyFermentationClostridium perfringensBacterial ProteinsCefoxitinPrevotellaMetronidazoleCephamycinsPort-Wine StainPorphyromonasAerobiosisSequence Analysis, DNABacteroides InfectionsSuppurationWater MicrobiologyClindamycinEsculinAzure StainsEscherichia coliSpecies SpecificityColony Count, MicrobialClostridium tetaniGram-Negative Facultatively Anaerobic RodsGram-Negative Aerobic BacteriaBase CompositionRNA, BacterialEvaluation Studies as TopicFecesBiodegradation, EnvironmentalSoil MicrobiologyGenes, rRNABacterial Physiological PhenomenaStaining and LabelingLactamsVeillonellaceaeCecumFusobacterium necrophorumAbscessActinomycetaceaeGenes, BacterialBlood StainsAnti-Infective AgentsDeltaproteobacteriaOrnidazoleEnterobacteriaceaeStreptococcusDesulfovibrioAgarDrug Resistance, MicrobialHydrogen-Ion ConcentrationPropionibacterium acnesPropionibacteriaceaeIntestinesValeratesBacterial Typing TechniquesGeologic SedimentsBites, HumanSeawaterCarbenicillinAmino Acid SequenceOxidation-ReductionGene Expression Regulation, BacterialFresh WaterPeritonsillar AbscessCefoperazoneTetrachloroethyleneGenome, BacterialPhenazinesBifidobacteriumFatty Acids, VolatileBase Sequence