BacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicMolecular Sequence DataRNA, Ribosomal, 16SBacteria, AerobicDNA, BacterialPhylogenyBacterial ProteinsEscherichia coliDNA, RibosomalSequence Analysis, DNAWater MicrobiologyGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaAnti-Bacterial AgentsGram-Negative Anaerobic BacteriaSoil MicrobiologySpecies SpecificityGenes, BacterialColony Count, MicrobialRNA, BacterialSulfur-Reducing BacteriaSeawaterGene Expression Regulation, BacterialAmino Acid SequenceCulture MediaBase SequenceGenome, BacterialAnaerobiosisGenes, rRNASymbiosisBase CompositionBacterial AdhesionBiodegradation, EnvironmentalPseudomonasEnterobacteriaceaeFresh WaterMicrobial Sensitivity TestsBacteriological TechniquesBacterial Typing TechniquesGammaproteobacteriaBacterial InfectionsFermentationBiofilmsGeologic SedimentsBacteroidesProteobacteriaAerobiosisPolymerase Chain ReactionMutationPseudomonas aeruginosaFecesVirulenceStaphylococcus aureusMicrobial ViabilityCloning, MolecularStreptococcusVibrioBetaproteobacteriaFatty AcidsOxidation-ReductionHydrogen-Ion ConcentrationPlasmidsSequence Homology, Amino AcidCytophagaTemperatureSalmonella typhimuriumPhenotypeBacillusSequence AlignmentIntestinesArchaeaGram-Negative Bacterial InfectionsFungiTime FactorsGastrointestinal TractAntibiosisFood MicrobiologyClostridiumEubacteriumMouthModels, BiologicalBacterial Outer Membrane ProteinsBacillus subtilisEvolution, MolecularPhagocytosisBacterial LoadActinobacteriaDrug Resistance, BacterialCorynebacteriumListeria monocytogenesGene Transfer, HorizontalSalmonellaBacteroidetesProbioticsCell WallEnvironmental MicrobiologyDrug Resistance, Microbial