The impact of copper, nitrate and carbon status on the emission of nitrous oxide by two species of bacteria with biochemically distinct denitrification pathways.

Abstract excerpt

Denitrifying bacteria convert nitrate (NO(3) (-) ) to dinitrogen (N(2) ) gas through an anaerobic respiratory process in which the potent greenhouse gas nitrous oxide (N(2) O) is a free intermediate. These bacteria can be grouped into classes that synthesize a nitrite (NO(2) (-) ) reductase (Nir) that is solely dependent on haem-iron as a cofactor (e.g. Paracoccus denitrificans) or a Nir...

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