Object's details: The contribution of microbial mats to the arsenic geochemistry of an ancient gold mine

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
The contribution of microbial mats to the arsenic geochemistry of an ancient gold mine
Creator:
Drewniak, Lukasz;
Maryan, Natalia;
Lewandowski, Wiktor;
Kaczanowski, Szymon;
Sklodowska, Aleksandra
Description:
The ancient Zloty Stok (SW Poland) gold mine is such an environment, where different microbial communities, able to utilize inorganic arsenic species As(III) and As(V), are found. The purpose of the present study was to (i) estimate the general diversity of microbial mats in bottom sediments of this gold mine, (ii) identify microorganisms that can metabolize arsenic, and (iii) estimate their potential role in the arsenic geochemistry of the mine and in the environment. The oxidation/reduction experiments showed that the microbial mat community may significantly contribute to arsenic contamination in groundwater. The presence of both arsenite oxidizing and dissimilatory arsenate reducing bacteria in the mat was confirmed by the detection of arsenite oxidase and dissimilatory arsenate reductase genes, respectively. This work also demonstrated that microorganisms utilizing other compounds that naturally co-occur with arsenic are present within the microbial mat community and may contribute to the arsenic geochemistry in the environment.
Object availability:
free access
Date:
2012.03
Type:
Article;
PeerReviewed
Language:
English
Format:
application/msword
Publisher:
Elsevier
Relation: http://eprints.ibb.waw.pl/197 ;http://www.journals.elsevier.com/environmental-pollution ;
10.1016/j.envpol.2011.11.023
Subject:
QR Microbiology
Identifier: http://eprints.ibb.waw.pl/197/1/maty_drewniak_doc.doc ;
Drewniak, Lukasz and Maryan, Natalia and Lewandowski, Wiktor and Kaczanowski, Szymon and Sklodowska, Aleksandra (2012) The contribution of microbial mats to the arsenic geochemistry of an ancient gold mine. Environmentral Pollution, 162 . pp. 190-201. ISSN 0049-6979
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: The contribution of microbial mats to the arsenic geochemistry of an ancient gold mine

Description

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