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A cadmium enzyme from a marine diatom

Todd W. Lane, Mak A. Saito (), Graham N. George, Ingrid J. Pickering, Roger C. Prince and François M. M. Morel
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Todd W. Lane: Sandia National Laboratories
Mak A. Saito: Woods Hole Oceanographic Institution
Graham N. George: University of Saskatchewan
Ingrid J. Pickering: University of Saskatchewan
Roger C. Prince: ExxonMobil Research and Engineering Company
François M. M. Morel: Princeton University

Nature, 2005, vol. 435, issue 7038, 42-42

Abstract: Abstract The ocean biota contains a vast reservoir of genomic diversity1. Here we present the sequence and preliminary characterization of a protein that is a cadmium-containing carbonic anhydrase from the marine diatom Thalassiosira weissflogii. The existence of a cadmium enzyme in marine phytoplankton may indicate that there is a unique selection pressure for metalloenzymes in the marine environment2, and our discovery provides a long-awaited explanation for the nutrient-like behaviour of cadmium in the oceans3.

Date: 2005
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DOI: 10.1038/435042a

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