Mercuric reductase genes (merA) and mercury resistance plasmids in High Arctic snow, freshwater and sea-ice brine

Abstract Bacterial reduction in Hg2+ to Hg0, mediated by the mercuric reductase (MerA), is important in the biogeochemical cycling of Hg in temperate environments. Little is known about the occurrence and diversity of merA in the Arctic. Seven merA determinants were identified among bacterial isolat...

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Veröffentlicht in:	FEMS microbiology ecology 2014-01, Vol.87 (1), p.52-63
Hauptverfasser:	Møller, Annette K., Barkay, Tamar, Hansen, Martin A., Norman, Anders, Hansen, Lars H., Sørensen, Søren J., Boyd, Eric S., Kroer, Niels
Format:	Artikel
Sprache:	eng
Schlagworte:	Actinobacteria Amino acids Arctic Regions Bacteria - classification Bacteria - enzymology Bacteria - genetics Bacteria - isolation & purification Bacterial Proteins - genetics Bacterial Proteins - metabolism Biodiversity Biogeochemical cycles Brines Ecology Fresh Water - microbiology Freshwater ice High Arctic horizontal transfer Ice Cover - microbiology Marine merA Mercury Mercury - metabolism mercury resistance Microbial activity Microbiology Molecular Sequence Data Operon Oxidoreductases - genetics Oxidoreductases - metabolism Phylogeny plasmids Plasmids - genetics Plasmids - metabolism Sea ice Snow Snow - microbiology Temperate environments
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