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  • Title: Metalloenzymes of the denitrification pathway.
    Author: Tavares P, Pereira AS, Moura JJ, Moura I.
    Journal: J Inorg Biochem; 2006 Dec; 100(12):2087-100. PubMed ID: 17070915.
    Abstract:
    Denitrification, or dissimilative nitrate reduction, is an anaerobic process used by some bacteria for energy generation. This process is important in many aspects, but its environmental implications have been given particular relevance. Nitrate accumulation and release of nitrous oxide in the atmosphere due to excess use of fertilizers in agriculture are examples of two environmental problems where denitrification plays a central role. The reduction of nitrate to nitrogen gas is accomplished by four different types of metalloenzymes in four simple steps: nitrate is reduced to nitrite, then to nitric oxide, followed by the reduction to nitrous oxide and by a final reduction to dinitrogen. In this manuscript we present a concise updated review of the bioinorganic aspects of denitrification.
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