Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus
Carbon capture and storage technologies are crucial for reducing carbon emission from power plants as a response to global climate change. The CarbFix project (Iceland) aims at examining the geochemical response of injected CO(2) into subsurface reservoirs. The potential role of the subsurface biosp...
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ftpubmed:oai:pubmedcentral.nih.gov:7986089 2023-05-15T16:50:29+02:00 Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus Osman, Jorge R. Cardon, Hervé Montagnac, Gilles Picard, Aude Daniel, Isabelle 2021-01-09 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7986089/ http://www.ncbi.nlm.nih.gov/pubmed/33421329 https://doi.org/10.1111/1758-2229.12922 en eng John Wiley & Sons, Inc. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7986089/ http://www.ncbi.nlm.nih.gov/pubmed/33421329 http://dx.doi.org/10.1111/1758-2229.12922 © 2021 The Authors. Environmental Microbiology Reports published by Society for Applied Microbiology and John Wiley & Sons Ltd. This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. CC-BY-NC-ND Environ Microbiol Rep Brief Reports Text 2021 ftpubmed https://doi.org/10.1111/1758-2229.12922 2021-03-28T01:47:31Z Carbon capture and storage technologies are crucial for reducing carbon emission from power plants as a response to global climate change. The CarbFix project (Iceland) aims at examining the geochemical response of injected CO(2) into subsurface reservoirs. The potential role of the subsurface biosphere has been little investigated up to now. Here, we used Thiobacillus thioparus that became abundant at the CarbFix1 pilot site after injection of CO(2) and purified geothermal gases in basaltic aquifer at 400–800 m depth (4–8 MPa). The capacity of T. thioparus to produce sulfate, through oxidation of thiosulfate, was measured by Raman spectroscopy as a function of pressure up to 10 MPa. The results show that the growth and metabolic activity of T. thioparus are influenced by the initial concentration of the electron donor thiosulfate. It grows best at low initial concentration of thiosulfate (here 5 g.l(−1) or 31.6 mM) and best oxidizes thiosulfate into sulfate at 0.1 MPa with a yield of 14.7 ± 0.5%. Sulfur oxidation stops at 4.3 ± 0.1 MPa (43 bar). This autotrophic specie can thereby react to CO(2) and H(2)S injection down to 430 m depth and may contribute to induced biogeochemical cycles during subsurface energy operations. Text Iceland PubMed Central (PMC) Environmental Microbiology Reports 13 2 169 175 |
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Brief Reports Osman, Jorge R. Cardon, Hervé Montagnac, Gilles Picard, Aude Daniel, Isabelle Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
topic_facet |
Brief Reports |
description |
Carbon capture and storage technologies are crucial for reducing carbon emission from power plants as a response to global climate change. The CarbFix project (Iceland) aims at examining the geochemical response of injected CO(2) into subsurface reservoirs. The potential role of the subsurface biosphere has been little investigated up to now. Here, we used Thiobacillus thioparus that became abundant at the CarbFix1 pilot site after injection of CO(2) and purified geothermal gases in basaltic aquifer at 400–800 m depth (4–8 MPa). The capacity of T. thioparus to produce sulfate, through oxidation of thiosulfate, was measured by Raman spectroscopy as a function of pressure up to 10 MPa. The results show that the growth and metabolic activity of T. thioparus are influenced by the initial concentration of the electron donor thiosulfate. It grows best at low initial concentration of thiosulfate (here 5 g.l(−1) or 31.6 mM) and best oxidizes thiosulfate into sulfate at 0.1 MPa with a yield of 14.7 ± 0.5%. Sulfur oxidation stops at 4.3 ± 0.1 MPa (43 bar). This autotrophic specie can thereby react to CO(2) and H(2)S injection down to 430 m depth and may contribute to induced biogeochemical cycles during subsurface energy operations. |
format |
Text |
author |
Osman, Jorge R. Cardon, Hervé Montagnac, Gilles Picard, Aude Daniel, Isabelle |
author_facet |
Osman, Jorge R. Cardon, Hervé Montagnac, Gilles Picard, Aude Daniel, Isabelle |
author_sort |
Osman, Jorge R. |
title |
Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
title_short |
Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
title_full |
Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
title_fullStr |
Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
title_full_unstemmed |
Pressure effects on sulfur‐oxidizing activity of Thiobacillus thioparus |
title_sort |
pressure effects on sulfur‐oxidizing activity of thiobacillus thioparus |
publisher |
John Wiley & Sons, Inc. |
publishDate |
2021 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7986089/ http://www.ncbi.nlm.nih.gov/pubmed/33421329 https://doi.org/10.1111/1758-2229.12922 |
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Iceland |
genre_facet |
Iceland |
op_source |
Environ Microbiol Rep |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7986089/ http://www.ncbi.nlm.nih.gov/pubmed/33421329 http://dx.doi.org/10.1111/1758-2229.12922 |
op_rights |
© 2021 The Authors. Environmental Microbiology Reports published by Society for Applied Microbiology and John Wiley & Sons Ltd. This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made. |
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CC-BY-NC-ND |
op_doi |
https://doi.org/10.1111/1758-2229.12922 |
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Environmental Microbiology Reports |
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169 |
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175 |
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