Effect of divalent metals on Hg(II) uptake and methylation by bacteria.

@article{Schaefer2014EffectOD,
  title={Effect of divalent metals on Hg(II) uptake and methylation by bacteria.},
  author={Jeffra K. Schaefer and Aleksandra Szczuka and François M M Morel},
  journal={Environmental science & technology},
  year={2014},
  volume={48 5},
  pages={3007-13}
}
The production of methylmercury by some bacteria is a key first step in the accumulation and biomagnification of this toxic substance in aquatic food webs, a major human health concern. By direct measurement of cellular Hg(II) uptake in model iron and sulfate reducing bacteria, we have observed that specific trace metals, such as Zn(II) and Cd(II), inhibit uptake and methylation in these organisms, whereas other metals, such as Ni(II), Co(II), or Fe(II), do not. The inhibition of Hg(II… CONTINUE READING
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