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Science 30 March 1973:
Vol. 179. no. 4080, pp. 1323 - 1324
DOI: 10.1126/science.179.4080.1323
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Articles

Bacterial Origin of Sulfuric Acid in Geothermal Habitats

Jerry L. Mosser 1, Anne G. Mosser 1, and Thomas D. Brock 1

1 Department of Bacteriology, University of Wisconsin, Madison 53706

Natural populations of Sulfolobus, a new genus of bacteria occurring in sulfur-rich, acid hot springs and soils, were found to oxidize large amounts of sulfur to sulfuric acid at temperatures up to 85°C. These bacteria are important high-temperature geochemical agents in solfatara soils.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)