Science
New enzyme mechanism explains how sulfur-reducing bacteria process elemental sulfur
Sulfur-reducing bacteria of the phylum Desulfobacterota play a crucial role in the global biogeochemical sulfur cycle.
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This enzyme, called MccSep, uses a unique selenium–sulfur–heme catalytic center to reduce polysulfides during elemental sulfur respiration. Deeper research into this enzyme may inspire future environmental biocatalysts and improve our understanding of microbial sulfur cycling.
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