Hydrogen sulfide: a toxic gas produced by dissimilatory sulfate and sulfur reduction and consumed by microbial oxidation.

@article{Barton2014HydrogenSA,
  title={Hydrogen sulfide: a toxic gas produced by dissimilatory sulfate and sulfur reduction and consumed by microbial oxidation.},
  author={Larry L. Barton and Marie Laure Fardeau and Guy D. Fauque},
  journal={Metal ions in life sciences},
  year={2014},
  volume={14},
  pages={
          237-77
        }
}
Sulfur is an essential element for the synthesis of cysteine, methionine, and other organo-sulfur compounds needed by living organisms. Additionally, some prokaryotes are capable of exploiting oxidation or reduction of inorganic sulfur compounds to energize cellular growth. Several anaerobic genera of Bacteria and Archaea produce hydrogen sulfide (H2S), as a result of using sulfate (SO(4)(2 -) ), elemental sulfur (S(0)), thiosulfate (S₂O(3)(2 -)), and tetrathionate (S(4)O(6)(2 -)) as terminal… Expand
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