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Sulfur-reducing bacteria are microorganisms able to reduce elemental sulfur (S 0) to hydrogen sulfide (H 2 S). [1] These microbes use inorganic sulfur compounds as electron acceptors to sustain several activities such as respiration, conserving energy and growth, in absence of oxygen. [2]
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 (SO2−.
Sulphate-reducing bacteria (SRB) are anaerobic microorganisms that use sulphate as a terminal electron acceptor in, for example, the degradation of organic compounds. They are ubiquitous in...
sulfur reducing bacteria. Name of a group of bacteria belonging to a diversity of genera that gain metabolic energy from the reduction of elemental sulfur into sulfide. sulfuretum. Habitat with a complete sulfur cycle (plural: sulfureta). Read more.
As dominant microorganism responsible for treating high-sulfate wastewater, the sulfate-reducing bacteria (SRB) not only utilizes sulfate as the terminal electron acceptors, but also resists various harsh environments, so it was applied to a broader range of wastewater treatment.
Sulphate-reducing microorganisms (SRMs) are a physiologically and phylogenetically diverse group of anaerobic bacterial and archaeal species that are important both ecologically and industrially....
Sulfate-reducing bacteria gain energy for cell synthesis and growth by coupling the oxidation of organic compounds or molecular hydrogen (H 2) to the reduction of sulfate (SO 4 2−) to sulfide (H 2 S, HS −). Sulfur-reducing strains reduce elemental sulfur (or other lower oxidation states of this element, S 0, S 8) but not sulfate.
Sulfate-reducing bacteria (SRB) are a group of obligate anaerobic microorganisms that use sulfate group as a final electron acceptor. They play a crucial role in the sulfur cycle in the environment.
This dissimilatory reduction is due mainly to sulfur- and sulfate-reducing bacteria which perform anaerobic oxidative phosphorylation with elemental sulfur, sulfite, or sulfate as terminal electron acceptors (Barton et al., 1972; Fauque et al., 1980, 1991).
Sulfate reduction is a vital mechanism for bacteria and archaea living in oxygen-depleted, sulfate-rich environments. Sulfate reducers may be organotrophic, using carbon compounds, such as lactate and pyruvate as electron donors, or lithotrophic, and use hydrogen gas (H 2 ) as an electron donor.