BetaproteobacteriaGammaproteobacteriaRNA, Ribosomal, 16SDNA, RibosomalPhylogenySequence Analysis, DNADNA, BacterialBacteriaComamonadaceaeSoil MicrobiologyGenes, rRNASeawaterAlphaproteobacteriaProteobacteriaBiodiversityNeisseriaceaeBiotaFresh WaterGeologic SedimentsMolecular Sequence DataBase CompositionEctothiorhodospiraceaeOxalobacteraceaeChemoautotrophic GrowthWater MicrobiologyActinobacteriaCluster AnalysisFatty AcidsMediterranean SeaRNA, BacterialLeptothrixNorth SeaSymbiosisBacterial Typing TechniquesBacteroidetesDenaturing Gradient Gel ElectrophoresisAlcaligenaceaeBurkholderiaceaeQuinonesRhizosphereNitrosomonadaceaeMetagenomeHemipteraSewageArchaeaBacteriochlorophyll ABlack SeaPhosphoribosylaminoimidazolecarboxamide FormyltransferaseAlteromonadaceaeVerrucomicrobiaAerobiosisHeterotrophic ProcessesGenome, BacterialEcosystemHydrothermal VentsAquatic OrganismsSoil PollutantsXanthomonadaceaeHalomonasChromatiaceaeSpecies SpecificityNitratesKoreaPacific OceanOceanospirillaceaePlanktonThiothrixBiodegradation, EnvironmentalSoilMicrobial ConsortiaSequence Homology, Nucleic AcidBurkholderiaIn Situ Hybridization, FluorescenceSulfurOxidation-ReductionOceans and SeasPetroleumAtlantic OceanNucleic Acid HybridizationPhototrophic ProcessesEpsilonproteobacteriaBacterial Physiological PhenomenaVibrionaceaeLeechingSodium ChlorideOxidoreductasesShewanellaRiversBioelectric Energy SourcesHeteropteraDeltaproteobacteriaHot SpringsAnthozoaMarinobacterMetagenomicsArctic RegionsPoriferaINDEL MutationPhytoplanktonCarbon