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Open Access Green as soon as Postprint is submitted to ZB.
Rates and potential mechanism of anaerobic nitrate-dependent microbial pyrite oxidation.
Biochem. Soc. Trans. 40, 1280-1283 (2012)
Pyrite (FeS2) is a major iron- and sulfur-containing mineral phase in the environment. Oxidation of pyrite by aerobic micro-organisms has been well investigated. However, the reactivity of pyrite under anoxic conditions is still an open question. In the present paper, we summarize field and laboratory data on this chemolithotrophic respiration process with nitrate as terminal electron acceptor. Geochemical and stable isotope field data indicate that this process is occurring. Laboratory studies are more ambiguous, but recent positive results provide evidence that anaerobic microbial pyrite oxidation can, in fact, occur with nitrate as electron acceptor.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
autolithotrophy; denitrification; ferrous sulfide; microbial iron oxidation; pyrite; Thiobacillus denitrificans
ISSN (print) / ISBN
0300-5127
e-ISSN
1470-8752
Journal
Biochemical Society Transactions
Quellenangaben
Volume: 40,
Issue: 6,
Pages: 1280-1283
Publisher
Portland Press
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Groundwater Ecology (IGOE)