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Article

Ubiquity and diversity of ammonia-oxidizing archaea in water columns and sediments of the ocean.

Proceedings of the National Academy of Sciences of the United States of America - 11 Oct 2005

Francis Christopher A, Roberts Kathryn J, Beman J Michael, Santoro Alyson E, Oakley Brian B

Abstract excerpt

Nitrification, the microbial oxidation of ammonia to nitrite and nitrate, occurs in a wide variety of environments and plays a central role in the global nitrogen cycle. Catalyzed by the enzyme ammonia monooxygenase, the ability to oxidize ammonia was previously thought to be restricted to a few groups within the beta- and gamma-Proteobacteria. However, recent metagenomic studies have revealed the existence of...

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Identifiers

PMID: 16186488
DOI: 10.1073/pnas.0506625102
PMCID: PMC1253578

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