Molecular evidence for novel mercury methylating microorganisms in sulfate-impacted lakes

Methylmercury (MeHg) is a bioaccumulative neurotoxin that is produced by certain anaerobic microorganisms, but the abundance and importance of different methylating populations in the environment is not well understood. We combined mercury geochemistry, hgcA gene cloning, rRNA methods, and metagenom...

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Veröffentlicht in:	The ISME Journal 2019-07, Vol.13 (7), p.1659-1675
Hauptverfasser:	Jones, Daniel S., Walker, Gabriel M., Johnson, Nathan W., Mitchell, Carl P. J., Coleman Wasik, Jill K., Bailey, Jake V.
Format:	Artikel
Sprache:	eng
Schlagworte:	45/23 45/77 631/326/171 631/326/2565/2142 631/326/2565/855 704/47 Anaerobic microorganisms Anaerobic processes Aquatic ecosystems Bacteria - classification Bacteria - genetics Bacteria - isolation & purification Bacteria - metabolism Bacterial Proteins - genetics Bacterial Proteins - metabolism Bioaccumulation Biomedical and Life Sciences Cloning Communities Dimethylmercury Ecology Evolutionary Biology Fermentation Freshwater ecosystems Gene sequencing Geochemistry Iron Lakes Lakes - analysis Lakes - microbiology Life Sciences Mercury Mercury (metal) Mercury - analysis Mercury - metabolism Methanogenesis Methylation Methylmercury Methylmercury Compounds - analysis Methylmercury Compounds - metabolism Microbial activity Microbial Ecology Microbial Genetics and Genomics Microbiology Microbiota Microorganisms Neurotoxins Organic compounds Populations Reduction rRNA Sediments Sulfate reduction Sulfates Sulfates - analysis Sulfates - metabolism Sulfides Sulfides - analysis Sulfides - metabolism Toxins
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