The octahaem SirA catalyses dissimilatory sulfite reduction in Shewanella oneidensis MR-1.

@article{Shirodkar2011TheOS,
  title={The octahaem SirA catalyses dissimilatory sulfite reduction in Shewanella oneidensis MR-1.},
  author={Sheetal S. Shirodkar and Samantha B. Reed and Margie F. Romine and D. A. Saffarini},
  journal={Environmental microbiology},
  year={2011},
  volume={13 1},
  pages={
          108-115
        }
}
Shewanella oneidensis MR-1 is a metal reducer that uses a large number of electron acceptors including thiosulfate, polysulfide and sulfite. The enzyme required for thiosulfate and polysulfide respiration has been recently identified, but the mechanisms of sulfite reduction remained unexplored. Analysis of MR-1 cultures grown anaerobically with sulfite suggested that the dissimilatory sulfite reductase catalyses six-electron reduction of sulfite to sulfide. Reduction of sulfite required… CONTINUE READING

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