A protein trisulfide couples dissimilatory sulfate reduction to energy conservation

@article{Santos2015APT,
  title={A protein trisulfide couples dissimilatory sulfate reduction to energy conservation},
  author={Andr{\'e} Augusto Campagnole dos Santos and Sofia Santos Venceslau and Fabian Grein and William D. Leavitt and Christiane Dahl and David T. Johnston and In{\^e}s A C Pereira},
  journal={Science},
  year={2015},
  volume={350},
  pages={1541-1545}
}
Microbial sulfate reduction has governed Earth’s biogeochemical sulfur cycle for at least 2.5 billion years. However, the enzymatic mechanisms behind this pathway are incompletely understood, particularly for the reduction of sulfite—a key intermediate in the pathway. This critical reaction is performed by DsrAB, a widespread enzyme also involved in other dissimilatory sulfur metabolisms. Using in vitro assays with an archaeal DsrAB, supported with genetic experiments in a bacterial system, we… CONTINUE READING
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Biochim

  • S. S. Venceslau, Y. Stockdreher, C. Dahl, I.A.C. Pereira
  • Biophys. Acta
  • 1837

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