BacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicRNA, Ribosomal, 16SMolecular Sequence DataBacterial ProteinsDNA, BacterialBacteria, AerobicPhylogenyEscherichia coliAnti-Bacterial AgentsDNA, RibosomalSequence Analysis, DNAWater MicrobiologyBacterial InfectionsGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaColony Count, MicrobialSoil MicrobiologyGenes, BacterialRNA, BacterialGene Expression Regulation, BacterialCulture MediaSulfur-Reducing BacteriaSeawaterBiofilmsSpecies SpecificityGenome, BacterialBacterial AdhesionAmino Acid SequenceBase SequenceAnaerobiosisStaphylococcus aureusGenes, rRNASymbiosisMicrobial Sensitivity TestsPolymerase Chain ReactionBase CompositionBiodegradation, EnvironmentalBacteriological TechniquesPseudomonas aeruginosaPseudomonasVirulenceEnterobacteriaceaeBacterial Typing TechniquesGram-Negative Bacterial InfectionsFecesFresh WaterGammaproteobacteriaMicrobial ViabilityFermentationHost-Pathogen InteractionsGeologic SedimentsProteobacteriaFungiBacteroidesAerobiosisMycosesAnti-Infective AgentsStaphylococcal InfectionsMutationRespiratory Tract InfectionsBetaproteobacteriaVibrioStreptococcusDrug Resistance, BacterialHydrogen-Ion ConcentrationPlasmidsCloning, MolecularTemperatureCytophagaTime FactorsVirulence FactorsSalmonella typhimuriumGastrointestinal TractFatty AcidsBacillusSequence Homology, Amino AcidSalmonellaOxidation-ReductionDrug Resistance, MicrobialFood MicrobiologyIntestinesGram-Positive CocciBacterial LoadVirus DiseasesBacterial Outer Membrane ProteinsArchaeaImmunity, InnateBacteremiaEscherichia coli InfectionsSequence AlignmentPhagocytosisUrinary Tract InfectionsAntibodies, BacterialListeria monocytogenesPhenotypeAntibiosis