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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−
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]
Desulfovibrio is a genus of Gram-negative sulfate-reducing bacteria. Desulfovibrio species are commonly found in aquatic environments with high levels of organic material, as well as in water-logged soils, and form major community members of extreme oligotrophic habitats such as deep granitic fractured rock aquifers.
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 ...
Ca. D. audaxviator is a Gram-positive sulfate-reducing microorganism. Hydrogen for this reduction comes from the radiolysis of water [5] caused by radiation from the decay chain of uranium and thorium. The radiation allows for the production of sulfur compounds that the bacteria can use as a
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]