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Science 20 October 2006:
Vol. 314. no. 5798, p. 381
DOI: 10.1126/science.314.5798.381k
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This Week in Science

A sulfate-reducing bacterium has been isolated from a seam of water that was found by drilling in a gold mine at a depth of 2.8 kilometers. The microbes appear to have survived for tens of millions of years on geological hydrogen and sulfate sources without any nutrients derived from photosynthesis. Lin et al. (p. 479) report on the chemical composition of the groundwater, its apparent microbiological composition, the geological and biological processes involved, and the rates at which such subsurface communities are sustained.




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