Water MicrobiologyWater SupplyBacteriaGram-Negative BacteriaGram-Positive BacteriaBacteria, AnaerobicLeukocyte CountRNA, Ribosomal, 16SCD4 Lymphocyte CountBacteria, AerobicPlatelet CountDNA, BacterialMolecular Sequence DataBacterial ProteinsColony Count, MicrobialPhylogenyEscherichia coliDNA, RibosomalSequence Analysis, DNACell CountAnti-Bacterial AgentsGram-Negative Aerobic BacteriaBacterial Physiological PhenomenaBlood Cell CountGram-Negative Anaerobic BacteriaSoil MicrobiologySeawaterCulture MediaSulfur-Reducing BacteriaRNA, BacterialGenes, BacterialGene Expression Regulation, BacterialAnaerobiosisGenes, rRNAGenome, BacterialSymbiosisEnterobacteriaceaeBase CompositionBacterial AdhesionBiodegradation, EnvironmentalAmino Acid SequenceSpecies SpecificityBacteriological TechniquesPseudomonasBase SequenceLymphocyte CountFresh WaterErythrocyte CountBacterial InfectionsMicrobial Sensitivity TestsBiofilmsGammaproteobacteriaFermentationBacteroidesAerobiosisGeologic SedimentsSperm CountPseudomonas aeruginosaProteobacteriaStaphylococcus aureusBacterial Typing TechniquesMicrobial ViabilityStreptococcusFecesVibrioBetaproteobacteriaPolymerase Chain ReactionTemperatureCytophagaBacterial LoadVirulenceHydrogen-Ion ConcentrationBacillusFatty AcidsMutationTime FactorsFungiFood MicrobiologyOxidation-ReductionCloning, MolecularPlasmidsSalmonella typhimuriumArchaeaAir MicrobiologyClostridiumGram-Negative Bacterial InfectionsAntibiosisEubacteriumIntestinesMouthSequence Homology, Amino AcidBacillus subtilisPhagocytosisGastrointestinal TractPhenotypeActinobacteriaListeria monocytogenesHIV InfectionsCorynebacteriumAnti-Infective Agents