Sulfur Isotope Effects of Dissimilatory Sulfite Reductase
William D. Leavitt, Alexander S. Bradley, André A. Santos, Inês A.C. Pereira, David T. Johnston
This paper measures sulfur isotope fractionation by dissimilatory sulfite reductase (DsrAB) in vitro, finding a 34S/32S fractionation effect of 15.3{+/-}2{per thousand} and a 33S/32S effect of 0.5150{+/-}0.0012, which are significantly lower than prior estimates.
bioRxiv · Jul 22, 2015Microbiology