Bacterial Origin of Sulfuric Acid in Geothermal Habitats

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Science  30 Mar 1973:
Vol. 179, Issue 4080, pp. 1323-1324
DOI: 10.1126/science.179.4080.1323


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.