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UCSD scientists establish connection between life today and ancient changes in ocean chemistry

believed to have been brought about by the biologically caused rise in atmospheric oxygen some 2.3 billion years ago, highlighting the co-evolution of biology and geochemistry on a global scale.

"Here, a biological phenomenon, photosynthesis, changed the availability of trace metals in the oceans," Dupont said, "resulting in a reciprocal change in biological evolution still observable today."

The group notes that, "such studies linking the study of the earth sciences with that of the life sciences are limited and certainly no one has previously looked at this exciting area from the perspective of protein structure. We hope this will encourage others to undertake such interdisciplinary work."


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Contact: Paul K. Mueller
pkmueller@ucsd.edu
858-534-8564
University of California - San Diego
6-Nov-2006


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