image: The figure shows a reaction scheme from the article (showing a key enzymatic reaction for polysulfide reduction) against a backdrop of a walking path along a sulfuric vent in the Yellowstone National Park. This material relates to a paper that appeared in the Jan. 22, 2016, issue of Science, published by AAAS. The paper, by É. Dóka at National Institute of Oncology in Budapest, Hungary, and colleagues was titled, 'A novel persulfide detection method reveals protein persulfide- and polysulfide-reducing functions of thioredoxin and glutathione systems.' view more
Credit: [Credit: Photo and design by Elias Arnér, one of the coauthors of the study and graph was made by David Peralta.]