AlphaproteobacteriaProteobacteriaRNA, Ribosomal, 16SPhylogenyBacteriaDNA, RibosomalMolecular Sequence DataGammaproteobacteriaBetaproteobacteriaDNA, BacterialSequence Analysis, DNAMetagenomeEpsilonproteobacteriaWater MicrobiologySeawaterSoil MicrobiologyRNA, BacterialActinobacteriaGenes, rRNABase Sequencealpha 1-AntitrypsinFusobacteriaRhodobacterNitrosomonasArchaeaBiodiversityBradyrhizobiaceaeGram-Negative Facultatively Anaerobic RodsGeologic SedimentsDeltaproteobacteriaSulfonium CompoundsReceptors, Adrenergic, alphaBacteroidetesSewageCytophagaBacteria, AerobicBacterial ProteinsBiota