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

Patrick Gregoire; Anna Engelbrektson; Christopher G. Hubbard; Zoltan Metlagel; Roseann Csencsits; Manfred Auer; Mark E. Conrad; Jürgen Thieme; Paul Northrup; John D. Coates

doi:10.1111/1758-2229.12156

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

Patrick Gregoire
, Anna Engelbrektson
, Christopher G. Hubbard
, Zoltan Metlagel
, Roseann Csencsits
, Manfred Auer
, Mark E. Conrad
, Jürgen Thieme
, Paul Northrup
, John D. Coates

Geosciences

Stony Brook University

University of California at Berkeley
Lawrence Berkeley National Laboratory
Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Summary: 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.

Original language	English
Pages (from-to)	558-564
Number of pages	7
Journal	Environmental Microbiology Reports
Volume	6
Issue number	6
DOIs	https://doi.org/10.1111/1758-2229.12156
State	Published - Dec 1 2014

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10.1111/1758-2229.12156

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title = "Control of sulfidogenesis through bio-oxidation of H2S coupled to (per)chlorate reduction",

abstract = "Summary: 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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year = "2014",

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doi = "10.1111/1758-2229.12156",

language = "English",

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T1 - Control of sulfidogenesis through bio-oxidation of H2S coupled to (per)chlorate reduction

AU - Gregoire, Patrick

AU - Engelbrektson, Anna

AU - Hubbard, Christopher G.

AU - Metlagel, Zoltan

AU - Csencsits, Roseann

AU - Auer, Manfred

AU - Conrad, Mark E.

AU - Thieme, Jürgen

AU - Northrup, Paul

AU - Coates, John D.

PY - 2014/12/1

Y1 - 2014/12/1

N2 - Summary: 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.

AB - Summary: 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.

UR - https://www.scopus.com/pages/publications/84907672174

U2 - 10.1111/1758-2229.12156

DO - 10.1111/1758-2229.12156

M3 - Article

C2 - 25756108

SN - 1758-2229

VL - 6

SP - 558

EP - 564

JO - Environmental Microbiology Reports

JF - Environmental Microbiology Reports

IS - 6

ER -

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

Abstract

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