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Ferric iron reduction by sulfur- and iron-oxidizing bacteria.

By T D Brock and J Gustafson


Acidophilic bacteria of the genera Thiobacillus and Sulfolobus are able to reduce ferric iron when growing on elemental sulfur as an energy source. It has been previously thought that ferric iron serves as a nonbiological oxidant in the formation of acid mine drainage and in the leaching of ores, but these results suggest that bacterial catalysis may play a significant role in the reactivity of ferric iron

Topics: Research Article
Year: 1976
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Provided by: PubMed Central
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