ArsenicArsenic PoisoningBacteriaArsenicalsOxidesGram-Negative BacteriaGram-Positive BacteriaWater Pollutants, ChemicalCacodylic AcidArsenitesArsenatesBacteria, AnaerobicDrinking WaterSodium CompoundsWater SupplyRNA, Ribosomal, 16SBacteria, AerobicMolecular Sequence DataDNA, BacterialBacterial ProteinsBangladeshPhylogenyWater Pollution, ChemicalEscherichia coliNailsDNA, RibosomalEnvironmental ExposureSoil PollutantsSequence Analysis, DNAWater MicrobiologyWater WellsSoil MicrobiologyGram-Negative Aerobic BacteriaGram-Negative Anaerobic BacteriaBacterial Physiological PhenomenaAnti-Bacterial AgentsFresh WaterGenes, BacterialGene Expression Regulation, BacterialRNA, BacterialSulfur-Reducing BacteriaBiodegradation, EnvironmentalSeawaterEnvironmental MonitoringColony Count, MicrobialCulture MediaWater PollutantsNew HampshireAnaerobiosisGenome, BacterialGenes, rRNAGroundwaterSymbiosisAmino Acid SequenceBase CompositionGeologic SedimentsBase SequenceFood ContaminationSpecies SpecificityBacterial AdhesionSkin DiseasesPseudomonasEnterobacteriaceaeSpectrophotometry, AtomicRoxarsoneArsenate ReductasesIon PumpsPterisOxidation-ReductionMiningAntimonyMetals, HeavyBacteriological TechniquesGammaproteobacteriaProteobacteriaMicrobial Sensitivity TestsEnvironmental PollutantsAerobiosisArsenite Transporting ATPasesBiofilmsWater PurificationBacterial InfectionsFermentationBetaproteobacteriaBacteroidesBacterial Typing TechniquesSulfidesPseudomonas aeruginosaIndustrial WasteMetallurgyHydrogen-Ion ConcentrationStaphylococcus aureusChilePolymerase Chain ReactionMicrobial ViabilityVibrioStreptococcusCloning, MolecularCytophagaMutation