Archaeal nitrification without oxygen

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Nitrification occurs below the photic zone in the oceanic water column. But thus far, it was believed not to be possible in anoxic zones. A new Science paper changes that possibility. Learn more in a new SciencePerspective:

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for ammonia oxidation by itself while simultaneously reducing nitrite to nitrous oxide and dinitrogen . These results provide a possible explanation for the presence of AOA in marine oxygen minimum zones, where they may have an important role in nitrogen loss. The findings may further have implications for the evolution of the nitrogen cycle on Earth.View all available purchase options and get full access to this article.

 

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