BetaproteobacteriaComamonadaceaeRNA, Ribosomal, 16SNeisseriaceaeDNA, RibosomalSoil MicrobiologyPhylogenyFresh WaterSequence Analysis, DNAOxalobacteraceaeBacteriaDNA, BacterialBiodiversityLeptothrixBiotaAlcaligenaceaeGenes, rRNABurkholderiaceaeGammaproteobacteriaNitrosomonadaceaeActinobacteriaAlphaproteobacteriaVerrucomicrobiaMolecular Sequence DataProteobacteriaSewageGeologic SedimentsRhizosphereDenaturing Gradient Gel ElectrophoresisWater MicrobiologyBase CompositionCluster AnalysisRNA, BacterialQuinonesFatty AcidsBurkholderiaBacterial Typing TechniquesSymbiosisHemipteraArchaeaBacteroidetesSoil PollutantsMetagenomeEcosystemBiodegradation, EnvironmentalSeawaterNitratesSoilAerobiosisGenome, BacterialKoreaIn Situ Hybridization, FluorescenceColony Count, MicrobialOxidation-ReductionNucleic Acid HybridizationSequence Homology, Nucleic AcidSpecies SpecificityOxidoreductases