New Pieces for the Marine Sulfur Cycle Jigsaw

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Science  27 Oct 2006:
Vol. 314, Issue 5799, pp. 607-608
DOI: 10.1126/science.1133279

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It was thought that phytoplankton make DMSP, a key compound in the marine sulfur cycle, whereas bacteria use it. Now, one study shows that diatoms can also take up DMSP; another study identifies a key bacterial gene involved in its demethylation.