期刊
BIOCHEMICAL SOCIETY TRANSACTIONS
卷 40, 期 -, 页码 1280-1283出版社
PORTLAND PRESS LTD
DOI: 10.1042/BST20120102
关键词
autolithotrophy; denitrification; ferrous sulfide; microbial iron oxidation; pyrite; Thiobacillus denitrificans
资金
- European Union (EU) [226565]
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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