BacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicMolecular Sequence DataRNA, Ribosomal, 16SBacterial ProteinsDNA, BacterialBacteria, AerobicPhylogenyEscherichia coliDNA, RibosomalSequence Analysis, DNAWater MicrobiologyGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaAnti-Bacterial AgentsGram-Negative Anaerobic BacteriaSoil MicrobiologyGenes, BacterialCulture MediaGene Expression Regulation, BacterialRNA, BacterialAmino Acid SequenceSeawaterColony Count, MicrobialSulfur-Reducing BacteriaBase SequenceAnaerobiosisSymbiosisGenome, BacterialSpecies SpecificityGenes, rRNABase CompositionBacterial AdhesionBiodegradation, EnvironmentalPseudomonasEnterobacteriaceaeFermentationMutationFresh WaterBacteriological TechniquesBiofilmsGammaproteobacteriaMicrobial Sensitivity TestsBacterial InfectionsAerobiosisPseudomonas aeruginosaCloning, MolecularGeologic SedimentsBacteroidesBacterial Typing TechniquesProteobacteriaStaphylococcus aureusHydrogen-Ion ConcentrationPlasmidsTemperatureVirulencePolymerase Chain ReactionMicrobial ViabilityVibrioOxidation-ReductionStreptococcusBetaproteobacteriaSequence Homology, Amino AcidFatty AcidsBacillusCytophagaPhenotypeSalmonella typhimuriumFungiSequence AlignmentFecesArchaeaAntibiosisKineticsTime FactorsClostridiumGram-Negative Bacterial InfectionsBacillus subtilisIntestinesEubacteriumModels, BiologicalMicroscopy, ElectronBacterial Outer Membrane ProteinsFood MicrobiologyMouthActinobacteriaPhagocytosisCell WallCorynebacteriumGastrointestinal TractListeria monocytogenesHot TemperatureDrug Resistance, MicrobialMicroscopy, Electron, ScanningBacterial LoadSodium ChlorideLipopolysaccharidesOperon