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Acetate degradation at low pH by the moderately acidophilic sulfate reducer Aci...
Sánchez-Andrea, Irene; van der Graaf, Charlotte M.; Hornung, Bastian; Bale, Nicole J.; Jarzembowska, Monika; Sousa, Diana Zita MachadoIn acid drainage environments, biosulfidogenesis by sulfate-reducing bacteria (SRB) attenuates the extreme conditions by enabling the precipitation of metals as their sulfides, and the neutralization of acidity through proton consumption. So far, only a handful of moderately acidophilic SRB species have been described, most of which are merely acidotolerant. Here, a novel species within a novel genus of moderat...
The bacterial sulfur cycle in expanding dysoxic and euxinic marine waters
van Vliet, Daan M.; von Meijenfeldt, F. A. Bastiaan; Dutilh, Bas E.; Villanueva, Laura; Sinninghe Damsté, Jaap S.; Stams, Alfons Johannes MariaDysoxic marine waters (DMW, <1 M oxygen) are currently expanding in volume in the oceans, which has biogeochemical, ecological, and societal consequences on a global scale. In these environments, distinct bacteria drive an active sulfur cycle, which has only recently been recognized for openocean DMW. This review summarizes the current knowledge on these sulfurcycling bacteria. Critical bottlenecks and question...