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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 ...
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 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.
Sulfur reduction occurs in plants, fungi, and many bacteria. [10] Sulfate can serve as an electron acceptor in anaerobic respiration and can also be reduced for the formation of organic compounds. Sulfate-reducing bacteria reduce sulfate and other oxidized sulfur compounds, such as sulfite, thiosulfate, and elemental sulfur, to sulfide.
It is also an anaerobic sulfate-reducing bacterium that is an important organism involved in the bioremediation of heavy metals in the environment. [2] Nitratidesulfovibrio vulgaris is often used as a model organism for sulfur-reducing bacteria [3] and was the first of such bacteria to have its genome sequenced. [4]
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]
Desulfovibrionales are a taxonomic order of bacteria belonging to the phylum Thermodesulfobacteriota, with four families. They are Gram-negative. The majority are sulfate-reducing, with the exception of Lawsonia and Bilophila. [2] All members of this order are obligately anaerobic. [3] Most species are mesophilic, but some are moderate ...