BacteriaGram-Negative BacteriaGram-Positive BacteriaRNA, Ribosomal, 16SBacteria, AnaerobicSequence Analysis, DNADNA, RibosomalDNA, BacterialEscherichia coliMolecular Sequence DataSpecies SpecificityBacterial ProteinsGenes, BacterialPhylogenyBacteria, AerobicAnti-Bacterial AgentsBacterial Typing TechniquesWater MicrobiologySoil MicrobiologyCulture MediaVirulenceRNA, BacterialBase CompositionGenes, rRNAGene Expression Regulation, BacterialMicrobial Sensitivity TestsGenome, BacterialAmino Acid SequenceMutationSeawaterColony Count, MicrobialGram-Negative Aerobic BacteriaMice, Inbred StrainsPlasmidsBacterial AdhesionBiodegradation, EnvironmentalPolymerase Chain ReactionGram-Negative Anaerobic BacteriaPseudomonasPhenotypeAnaerobiosisBacterial Physiological PhenomenaFermentationDrug Resistance, MicrobialStaphylococcus aureusBase SequenceCloning, MolecularSymbiosisSulfur-Reducing BacteriaFatty AcidsPseudomonas aeruginosaEnterobacteriaceaeBacteriological TechniquesNucleic Acid HybridizationAerobiosisTemperatureFresh WaterSerotypingStreptococcusBiofilmsBacteroidesFecesDrug Resistance, BacterialBacterial Outer Membrane ProteinsSalmonella typhimuriumGammaproteobacteriaBacillusVibrioCluster AnalysisAntigens, BacterialVirulence FactorsHydrogen-Ion ConcentrationActinomycetalesMicrobial ViabilityAntibiosisGenetic VariationSequence Homology, Amino AcidGenotypeFood MicrobiologySequence Homology, Nucleic AcidSequence AlignmentDNA FingerprintingOperonDNA Transposable ElementsEscherichia coli InfectionsChromosomes, BacterialBacterial InfectionsDNA PrimersGene DeletionEnvironmental MicrobiologyBacterial ToxinsGenetic Complementation TestStaphylococcusCell WallSodium ChlorideOxidation-ReductionConjugation, GeneticFimbriae, BacterialPolymorphism, Restriction Fragment LengthClostridium