Article
Silver (Ag+) reduces denitrification and induces enrichment of novel nirK genotypes in soil.
FEMS microbiology letters - 1 May 2007
Throbäck Ingela Noredal, Johansson Mats, Rosenquist Magnus, Pell Mikael, Hansson Mikael, Hallin Sara
Abstract excerpt
The use of silver ions in industry to prevent microbial growth is increasing and silver is a new and an overlooked heavy-metal contaminant in sewage sludge-amended soil. The denitrifying community was the model used to assess the dose-dependent effects of silver ions on microorganisms overtime in soil microcosms. Silver caused a sigmoid dose-dependent reduction in denitrification activity, and no recovery was...
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