BacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicMolecular Sequence DataRNA, Ribosomal, 16SPhylogenyDNA, BacterialBacterial ProteinsBacteria, AerobicSequence Analysis, DNAEscherichia coliDNA, RibosomalPhocaWater MicrobiologyPhocoenaBacterial Physiological PhenomenaAnti-Bacterial AgentsGram-Negative Aerobic BacteriaGenes, BacterialSoil MicrobiologyGram-Negative Anaerobic BacteriaSeawaterBase SequenceSymbiosisAmino Acid SequenceRNA, BacterialGene Expression Regulation, BacterialColony Count, MicrobialSulfur-Reducing BacteriaGenome, BacterialCulture MediaSpecies SpecificityGenes, rRNAAnaerobiosisMutationBase CompositionBiodegradation, EnvironmentalBacterial AdhesionEnterobacteriaceaeGammaproteobacteriaPseudomonasGeologic SedimentsFresh WaterPolymerase Chain ReactionMicrobial Sensitivity TestsProteobacteriaPlasmidsBacteriological TechniquesBiofilmsBacteroidesFermentationBacterial Typing TechniquesAerobiosisBacterial InfectionsCloning, MolecularPseudomonas aeruginosaStaphylococcus aureusVirulenceSequence Homology, Amino AcidVibrioPorpoisesBetaproteobacteriaPhenotypeSequence AlignmentMicrobial ViabilityStreptococcusSeals, EarlessTemperatureArchaeaBacillusOxidation-ReductionFatty AcidsHydrogen-Ion ConcentrationCytophagaFecesSalmonella typhimuriumFungiGastrointestinal TractMetagenomeAntibiosisBiodiversityGene Transfer, HorizontalGram-Negative Bacterial InfectionsClostridiumActinobacteriaEcosystemMouthEvolution, MolecularDNA PrimersBacteroidetesIntestinesBacillus subtilisBacterial Outer Membrane ProteinsEubacteriumDrug Resistance, BacterialDrug Resistance, MicrobialOperonNucleic Acid HybridizationNorth Sea