BacteriaGeneticsGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicGenetics, PopulationMolecular Sequence DataRNA, Ribosomal, 16SPhylogenyBacteria, AerobicDNA, BacterialBacterial ProteinsSequence Analysis, DNAEscherichia coliDNA, RibosomalGenetics, BehavioralWater MicrobiologyGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaGram-Negative Anaerobic BacteriaAnti-Bacterial AgentsSoil MicrobiologyGenes, BacterialPhenotypeMutationSpecies SpecificitySulfur-Reducing BacteriaRNA, BacterialBase SequenceGene Expression Regulation, BacterialSeawaterColony Count, MicrobialCulture MediaAmino Acid SequenceGenetic VariationGenome, BacterialSymbiosisAnaerobiosisGenes, rRNAMolecular BiologyBase CompositionBiodegradation, EnvironmentalBacterial AdhesionPseudomonasEnterobacteriaceaeFresh WaterModels, GeneticBacteriological TechniquesGammaproteobacteriaBiofilmsMicrobial Sensitivity TestsBacterial InfectionsBacterial Typing TechniquesPolymerase Chain ReactionVirulenceFermentationGenetic Predisposition to DiseaseGenotypeGeologic SedimentsProteobacteriaPseudomonas aeruginosaBacteroidesAerobiosisChromosome MappingCloning, MolecularEvolution, MolecularStaphylococcus aureusPlasmidsGenetic TestingGenomicsGenetic CounselingMicrobial ViabilityBiological EvolutionBetaproteobacteriaTemperatureVibrioStreptococcusCytophagaSequence Homology, Amino AcidFungiHydrogen-Ion ConcentrationFatty AcidsSequence AlignmentSalmonella typhimuriumBacillusOxidation-ReductionFecesGenetic LinkageArchaeaModels, BiologicalAllelesEcosystemGenetic ServicesGram-Negative Bacterial InfectionsBacillus subtilisAntibiosisClostridiumGastrointestinal TractEubacteriumSelection, Genetic