Control of sulfidogenesis through bio-oxidation of H2S coupled to (per)chlorate reduction

Environmental Microbiology Reports
Patrick GregoireJ D Coates

Abstract

We investigated H2S attenuation by dissimilatory perchlorate-reducing bacteria (DPRB). All DPRB tested oxidized H2S coupled to (per)chlorate reduction without sustaining growth. H2S was preferentially utilized over organic electron donors resulting in an enriched (34S)-elemental sulfur product. Electron microscopy revealed elemental sulfur production in the cytoplasm and on the cell surface of the DPRB Azospira suillum. Based on our results, we propose a novel hybrid enzymatic-abiotic mechanism for H2S oxidation similar to that recently proposed for nitrate-dependent Fe(II) oxidation. The results of this study have implications for the control of biosouring and biocorrosion in a range of industrial environments.

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Citations

Mar 15, 2016·Applied Microbiology and Biotechnology·Ji-Hyun NamDeokjin Jahng
Oct 7, 2014·Frontiers in Microbiology·Christopher G HubbardMark E Conrad
Jul 30, 2014·Frontiers in Microbiology·Anna EngelbrektsonJohn D Coates
Sep 17, 2014·Frontiers in Microbiology·Martin G LiebensteinerBartholomeus P Lomans
Jun 9, 2016·Environmental Science & Technology·Yiwei ChengJonathan B Ajo-Franklin
Oct 21, 2016·Applied Microbiology and Biotechnology·Charlotte I CarlströmJohn D Coates
Aug 3, 2016·Annual Review of Microbiology·Matthew D YoungblutJohn D Coates
May 12, 2017·Environmental Science & Technology·Hans K CarlsonJohn D Coates
Dec 1, 2017·Microorganisms·Ouwei Wang, John D Coates
Dec 18, 2018·Microbiology·Magdalena K Stoeva, John D Coates
Jul 28, 2018·Frontiers in Microbiology·Adam J WilliamsonJohn D Coates
Aug 25, 2018·Frontiers in Microbiology·Anna L EngelbrektsonJohn D Coates
Feb 27, 2019·Environmental Microbiology·Misha G Mehta-KolteJohn D Coates
Oct 20, 2018·Frontiers in Microbiology·Anna EngelbrektsonJohn D Coates
Oct 26, 2018·Frontiers in Microbiology·Gloria Ngozi Okpala, Gerrit Voordouw
Apr 20, 2019·Frontiers in Microbiology·Magdalena K StoevaJohn D Coates
Jan 11, 2018·Environmental Science & Technology·Jeremy A NowakAllen H Goldstein
Feb 24, 2015·Environmental Science & Technology·Hans K CarlsonJohn D Coates

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