Prokaryotic CellsBacteriaEscherichia coliBacterial ProteinsMolecular Sequence DataArchaeaEukaryotic CellsAmino Acid SequenceEscherichia coli ProteinsDNA, BacterialCytoskeletal ProteinsBase SequenceGram-Negative BacteriaGram-Positive BacteriaCell DivisionCell MembraneBacteria, AnaerobicPhylogenyRNA, Ribosomal, 16SGenome, BacterialSequence Analysis, DNAGenome, ArchaealBacteria, AerobicGenes, BacterialDNA, RibosomalBacterial Physiological PhenomenaRNA, BacterialWater MicrobiologyGene Expression Regulation, BacterialSequence Homology, Amino AcidSequence AlignmentSeawaterSpecies SpecificityCloning, MolecularProkaryotic Initiation FactorsAnti-Bacterial AgentsBase CompositionSoil MicrobiologyGram-Negative Aerobic BacteriaSymbiosisGram-Negative Anaerobic BacteriaGene Transfer, HorizontalGenes, ArchaealEvolution, MolecularColony Count, MicrobialGenes, rRNAPlasmidsSulfur-Reducing BacteriaCulture MediaModels, MolecularAnaerobiosis