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Desulfovibrio vulgaris is the best-studied sulfate-reducing microorganism species; the bar in the upper right is 0.5 micrometre long.. Sulfate-reducing microorganisms (SRM) or sulfate-reducing prokaryotes (SRP) are a group composed of sulfate-reducing bacteria (SRB) and sulfate-reducing archaea (SRA), both of which can perform anaerobic respiration utilizing sulfate (SO 2−
Only few taxa are true sulfur-reducing bacteria, using sulfur reduction as the only or main catabolic reaction. [6] Normally, they couple this reaction with the oxidation of acetate, succinate or other organic compounds. In general, sulfate-reducing bacteria are able to use both sulfate and elemental sulfur as electron acceptors. Thanks to its ...
The Thermodesulfobacteriota are a phylum [3] of thermophilic [4] sulfate-reducing bacteria. They are a gram-negative bacteria. [1] A pathogenic intracellular thermodesulfobacteriote has recently been identified. [5] Thermodesulfobacteriota are a phylum of bacteria that thrive in extreme environments characterized by high temperatures and pressures.
Desulfobacterales are an order of sulfate-reducing bacteria within the phylum Thermodesulfobacteria. [1] The order contains three families; Desulfobacteraceae, Desulfobulbaceae, and Nitrospinaceae. [2] The bacterium in this order are strict anaerobic respirators, using sulfate or nitrate as the terminal electron acceptor instead of oxygen.
The oxidation of reduced sulfur compounds is performed exclusively by Bacteria and Archaea.All the Archaea involved in this process are aerobic and belong to the Order Sulfolobales, [19] [20] characterized by acidophiles (extremophiles that require low pHs to grow) and thermophiles (extremophiles that require high temperatures to grow).
Desulfovibrio desulfuricans is a Gram-negative sulfate-reducing bacteria. It is generally found in soil, water, and the stools of animals, although in rare cases it has been found to cause infection in humans. [2] It is particularly noted for its ability to produce methyl mercury. [3]