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Nonspecific uptake and homeostasis drive the oceanic cadmium cycle.

Abstract:

The global marine distributions of Cd and phosphate are closely correlated, which has led to Cd being considered as a marine micronutrient, despite its toxicity to life. The explanation for this nutrient-like behavior is unknown because there is only one identified biochemical function for Cd, an unusual Cd/Zn carbonic anhydrase. Recent developments in Cd isotope mass spectrometry have revealed that Cd uptake by phytoplankton causes isotopic fractionation in the open ocean and in culture. Her...

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Publication status:
Published

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Publisher copy:
10.1073/pnas.1213857110

Authors


Horner, TJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Rickaby, RE More by this author
Journal:
Proceedings of the National Academy of Sciences of the United States of America
Volume:
110
Issue:
7
Pages:
2500-2505
Publication date:
2013-02-05
DOI:
EISSN:
1091-6490
ISSN:
0027-8424
URN:
uuid:44b856c0-fec8-434e-8afa-e29a06bbd40e
Source identifiers:
375716
Local pid:
pubs:375716

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