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Biogeochemistry: Mercury methylation on ice

Metagenomic analysis of Antarctic sea-ice and brine reveals the presence of hgcAB-like genes in the microaerophilic marine bacterium Nitrospina. These are similar to ones responsible for mercury methylation in anaerobic microorganisms and provide a plausible mechanism for mercury methylation in oxic marine environments.

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Author information

Affiliations

  1. Elsie M. Sunderland and Amina T. Schartup are in the Harvard John A. Paulson School of Engineering and Applied Sciences, Cambridge, Massachusetts 02138, USA; and the Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02215, USA.

    • Elsie M. Sunderland
    •  & Amina T. Schartup

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Corresponding author

Correspondence to Elsie M. Sunderland.