BacteriaRNA, Ribosomal, 16SPhylogenyGram-Negative BacteriaGram-Positive BacteriaDNA, RibosomalDNA, BacterialBacteria, AnaerobicMolecular Sequence DataSequence Analysis, DNAGenes, rRNABase CompositionBacteria, AerobicBacterial ProteinsWater MicrobiologySpecies SpecificityRNA, BacterialBacterial Typing TechniquesSeawaterEscherichia coliGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaFatty AcidsBacterial Physiological PhenomenaGenes, BacterialActinomycetalesAnti-Bacterial AgentsBase SequenceSulfur-Reducing BacteriaGeologic SedimentsCulture MediaSoil MicrobiologyAnaerobiosisFresh WaterGenome, BacterialColony Count, MicrobialGammaproteobacteriaGene Expression Regulation, BacterialAmino Acid SequenceBiodegradation, EnvironmentalAerobiosisEnterobacteriaceaePseudomonasNucleic Acid HybridizationSymbiosisBacteriological TechniquesBetaproteobacteriaBacterial AdhesionBacteroidesPolymerase Chain ReactionPhenotypeCytophagaCluster AnalysisMicrobial Sensitivity TestsBacteroidetesSodium ChlorideActinobacteriaBiofilmsTemperatureSequence Homology, Nucleic AcidFungiBacterial InfectionsEvolution, MolecularVibrioDNA, Ribosomal SpacerHydrogen-Ion ConcentrationPigments, BiologicalQuinonesStreptococcusSequence AlignmentFermentationProteobacteriaPseudomonas aeruginosaBiodiversityCorynebacteriumStaphylococcus aureusCloning, MolecularVirulenceEcosystemOxidation-ReductionFecesMicrobial ViabilityGram-Negative Bacterial InfectionsEubacteriumFlavobacteriumGram-Negative Aerobic Rods and CocciEnvironmental MicrobiologySequence Homology, Amino AcidClostridiumPlasmidsArchaeaCell WallAir MicrobiologyBiological EvolutionAntibiosisPeptidoglycanDeltaproteobacteriaMicroscopy, Electron, ScanningMutationFood Microbiology