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Biocatalytic Transformations of Hydrothermal Fluids

Holger W. Jannasch
Philosophical Transactions: Mathematical, Physical and Engineering Sciences
Vol. 355, No. 1723, Mid-Ocean Ridges: Dynamics of Processes Associated with Creation of New Ocean Crust (Feb. 15, 1997), pp. 475-486
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/54797
Page Count: 12
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Biocatalytic Transformations of Hydrothermal Fluids
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Abstract

The occurrence of copious animal populations at deep-sea vents indicates an effective microbial chemosynthetic biocatalysis of hydrothermal fluids on their emission into oxygenated ambient seawater. The large metabolic and physiological diversity of microbes found at these sites, including anaerobic and aerobic hyperthermophiles, reflects an even higher variety of biocatalytic or enzymatic reactions that greatly influence deep-sea hydrothermal geochemistry.

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