Mercury methylation and sulfate reduction rates in mangrove sediments, Rio de Janeiro, Brazil: The role of different microorganism consortia
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- 作者：Raquel Rose Silva Correia ; raquel@biof.ufrj.br" class="auth_mail" title="E-mail the corresponding author ; Jean Remy Davé ; e Guimarã ; es jeanrdg@biof.ufrj.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Liquid scintillation ; Radiotracer ; Sulfate-reducing bacteria ; Iron-reducing bacteria ; Methanogens ; Fungi
- 刊名：Chemosphere
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：167
- 期：Complete
- 页码：438-443
- 全文大小：453 K
文摘
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Biotic Hg methylation occur in mangroves but which microorganisms are involved?
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Inhibition of sulfate-reducing bacteria and prokaryotes reduced MeHg formation and SRR.
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Inhibition of methanogens either reduced or increased methylation in different sites.
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Iron amendment stimulated Hg methylation in low and inhibited in high concentrations.
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SRB are important Hg methylators but other groups (IRB, methanogens) may be involved.