Microbes and Environments
Online ISSN : 1347-4405
Print ISSN : 1342-6311
ISSN-L : 1342-6311

This article has now been updated. Please use the final version.

Detection of Anammox Activity and 16S rRNA Genes in Ravine Paddy Field Soil
Yoshinori Sato, Hiroyuki Ohta, Takao Yamagishi, Yong Guo, Tomoyasu Nishizawa, M. Habibur Rahman, Hisao Kuroda, Task Kato, Masanori Saito, Ikuo Yoshinaga, Kazuyuki Inubushi, Yuichi Suwa
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Keywords: anaerobic ammonium oxidation, ravine paddy field soil, nitrogen removal
JOURNAL FREE ACCESS Advance online publication

Article ID: ME11330

The final version of this article is now available: Vol. 27 (2009), No. 3 pp. 1202170358-1202170358
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Abstract

An anammox assay involving a 15N tracer and gas chromatography-mass spectrometry revealed that the potential anammox activity accounted for 1 to 5% of total N2 production in a ravine paddy field, Japan. Among four 4-cm-deep layers, the top layer showed the highest activity. Clone libraries showed that the DNA in the top layer contained sequences related to those of Candidatus ‘Brocadia fulgida’, Ca. ‘B. anammoxidans’, and Ca. ‘Kuenenia stuttgartiensis’. These results suggest that a specific population of anammox bacteria was present in paddy soils, although a small part of dinitrogen gas was emitted from the soil via anammox.

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© Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology
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