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Mercury methylating...
Mercury methylating microbial communities of boreal forest soils
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- Jingying, Xu, 1984- (author)
- Uppsala universitet,Limnologi
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- Buck, Moritz (author)
- Uppsala universitet,Limnologi
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- Eklöf, Karin (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment,Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, SE-75007, Uppsala, Sweden
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- Ahmed Osman, Omneya (author)
- Uppsala universitet,Limnologi
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- Schaefer, Jeffra K. (author)
- Department of Environmental Sciences, Rutgers University, New Brunswick, New Jersey 08901, USA
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- Bishop, Kevin, 1960- (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vatten och miljö,Department of Aquatic Sciences and Assessment,Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
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- Skyllberg, Ulf (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skogens ekologi och skötsel,Department of Forest Ecology and Management,Department of Forest Ecology and Management, Swedish University of Agricultural Science, Umeå, Sweden
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- Björn, Erik (author)
- Umeå universitet,Kemiska institutionen,epartment of Forest Ecology and Management, Swedish University of Agricultural Science, Umeå, Sweden
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- Bertilsson, Stefan (author)
- Uppsala universitet,Limnologi
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- Bravo, Andrea Garcia (author)
- Uppsala universitet,Limnologi,Department of Marine Biology and Oceanography, Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas, Barcelona, Catalunya, Spain
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(creator_code:org_t)
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- 2019-01-24
- 2019
- English.
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In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 9
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
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- The formation of the potent neurotoxic methylmercury (MeHg) is a microbially mediated process that has raised much concern because MeHg poses threats to wildlife and human health. Since boreal forest soils can be a source of MeHg in aquatic networks, it is crucial to understand the biogeochemical processes involved in the formation of this pollutant. High-throughput sequencing of 16S rRNA and the mercury methyltransferase, hgcA, combined with geochemical characterisation of soils, were used to determine the microbial populations contributing to MeHg formation in forest soils across Sweden. The hgcA sequences obtained were distributed among diverse clades, including Proteobacteria, Firmicutes, and Methanomicrobia, with Deltaproteobacteria, particularly Geobacteraceae, dominating the libraries across all soils examined. Our results also suggest that MeHg formation is linked to the composition of also non-mercury methylating bacterial communities, likely providing growth substrate (e.g. acetate) for the hgcA-carrying microorganisms responsible for the actual methylation process. While previous research focused on mercury methylating microbial communities of wetlands, this study provides some first insights into the diversity of mercury methylating microorganisms in boreal forest soils.
Subject headings
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
Keyword
- Biologi med inriktning mot limnologi
- Biology with specialization in Limnology
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Jingying, Xu, 19 ...
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Buck, Moritz
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Eklöf, Karin
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Ahmed Osman, Omn ...
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Schaefer, Jeffra ...
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Bishop, Kevin, 1 ...
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show more...
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Skyllberg, Ulf
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Björn, Erik
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Bertilsson, Stef ...
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Bravo, Andrea Ga ...
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- About the subject
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- AGRICULTURAL SCIENCES
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AGRICULTURAL SCI ...
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and Agriculture Fore ...
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and Forest Science
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- AGRICULTURAL SCIENCES
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AGRICULTURAL SCI ...
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and Agriculture Fore ...
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and Soil Science
- Articles in the publication
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Scientific Repor ...
- By the university
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Uppsala University
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Umeå University
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Swedish University of Agricultural Sciences