BacteriaSwimming PoolsGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicRNA, Ribosomal, 16SMolecular Sequence DataBacteria, AerobicDNA, BacterialBacterial ProteinsPhylogenyEscherichia coliDNA, RibosomalWater MicrobiologySequence Analysis, DNAGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaGram-Negative Anaerobic BacteriaSoil MicrobiologyAnti-Bacterial AgentsRNA, BacterialGenes, BacterialSeawaterSulfur-Reducing BacteriaColony Count, MicrobialCulture MediaGene Expression Regulation, BacterialGene PoolAnaerobiosisGenome, BacterialSymbiosisGenes, rRNAAmino Acid SequenceBase CompositionBase SequenceSpecies SpecificityBiodegradation, EnvironmentalBacterial AdhesionPseudomonasEnterobacteriaceaeFresh WaterBacteriological TechniquesGammaproteobacteriaFermentationBiofilmsGeologic SedimentsMicrobial Sensitivity TestsAerobiosisProteobacteriaBacterial InfectionsPseudomonas aeruginosaBacteroidesBacterial Typing TechniquesStaphylococcus aureusMutationBetaproteobacteriaTemperatureOxidation-ReductionMicrobial ViabilityHydrogen-Ion ConcentrationFatty AcidsPolymerase Chain ReactionVibrioStreptococcusCloning, MolecularVirulenceCytophagaPlasmidsBacillusKineticsFecesSalmonella typhimuriumArchaeaSequence Homology, Amino AcidFungiGram-Negative Bacterial InfectionsClostridiumAntibiosisBacillus subtilisEubacteriumIntestinesPhenotypeSequence AlignmentModels, BiologicalBacterial Outer Membrane ProteinsBacterial LoadActinobacteriaMouthPhagocytosisFood MicrobiologyGastrointestinal TractEcosystemGene Transfer, HorizontalCell WallCorynebacteriumListeria monocytogenesMicroscopy, ElectronDeltaproteobacteriaGram-Negative Aerobic Rods and CocciBacteroidetes