EubacteriumGram-Positive Asporogenous RodsArchaeaBacteriaPeptostreptococcusGram-Negative Anaerobic BacteriaMolecular Sequence DataBacteria, AnaerobicPhylogenyHydroxysteroid DehydrogenasesRNA, Ribosomal, 16SFusobacteriumAmino Acid SequenceGenes, BacterialDNA, BacterialBase SequenceHalobacteriumRNA, BacterialClostridiumBacterial ProteinsEscherichia coliDNA, RibosomalThermus thermophilusGram-Positive RodsSequence Homology, Amino AcidThermotoga maritimaAnaerobiosisPeriodontal PocketBacteroidesFecesCloning, MolecularThermus