BacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicRNA, Ribosomal, 16SMolecular Sequence DataBacteria, AerobicDNA, BacterialBacterial ProteinsPhylogenyEscherichia coliDNA, RibosomalWater MicrobiologySequence Analysis, DNAGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaGram-Negative Anaerobic BacteriaAnti-Bacterial AgentsSoil MicrobiologyGenes, BacterialRNA, BacterialSeawaterSulfur-Reducing BacteriaColony Count, MicrobialGene Expression Regulation, BacterialCulture MediaAmino Acid SequenceBase SequenceAnaerobiosisGenes, rRNAGenome, BacterialSymbiosisBase CompositionSpecies SpecificityBiodegradation, EnvironmentalBacterial AdhesionPseudomonasEnterobacteriaceaeFresh WaterBacteriological TechniquesMicrobial Sensitivity TestsGammaproteobacteriaBiofilmsFermentationGeologic SedimentsBacterial InfectionsBacterial Typing TechniquesAerobiosisProteobacteriaBacteroidesPseudomonas aeruginosaMutationStaphylococcus aureusCloning, MolecularPolymerase Chain ReactionHydrogen-Ion ConcentrationMotor CortexBetaproteobacteriaMicrobial ViabilityStreptococcusVibrioPlasmidsVirulenceSequence Homology, Amino AcidFatty AcidsOxidation-ReductionCytophagaBacillusSalmonella typhimuriumArchaeaFungiPhenotypeSequence AlignmentFecesGram-Negative Bacterial InfectionsAntibiosisClostridiumBacillus subtilisEubacteriumIntestinesBacterial Outer Membrane ProteinsKineticsMouthActinobacteriaGastrointestinal TractCell WallPhagocytosisTime FactorsFood MicrobiologyArenavirusBacterial LoadCorynebacteriumListeria monocytogenesGene Transfer, HorizontalDrug Resistance, BacterialDrug Resistance, MicrobialOxidoreductasesBacteroidetesDeltaproteobacteriaGram-Negative Aerobic Rods and Cocci