Genetic regulation of biological nitrogen fixation

Dixon, R. and Kahn, D. (2004) Genetic regulation of biological nitrogen fixation. Nature Reviews Microbiology, 2. pp. 621-631.

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Abstract

Some bacteria have the remarkable capacity to fix atmospheric nitrogen to ammonia under ambient conditions, a reaction only mimicked on an industrial scale by a chemical process that requires high temperatures, elevated pressure and special catalysts. The ability of microorganisms to use nitrogen gas as the sole nitrogen source and engage in symbioses with host plants confers many ecological advantages, but also incurs physiological penalties because the process is oxygen sensitive and energy dependent. Consequently, biological nitrogen fixation is highly regulated at the transcriptional level by sophisticated regulatory networks that respond to multiple environmental cues.

Item Type: Article
Additional Information: Work in the laboratory of R.D. is supported by the UK Biotechnology and Biosciences Research Council. Work in the laboratory of D.K. is supported by the Centre National de la Recherche Scientifique and the Institut National de la Recherche Agronomique.
Author Affiliation: Department of Molecular Microbiology, John Innes Centre,Norwich NR4 7UH, UK.
Subjects: Soil Science and Microbiology > Microbiology
Crop Improvement > Genetics/Genomics
Divisions: General
Depositing User: Mr Siva Shankar
Date Deposited: 20 Sep 2013 03:52
Last Modified: 20 Sep 2013 03:52
Official URL: http://dx.doi.org/10.1038/nrmicro954
URI: http://eprints.icrisat.ac.in/id/eprint/11758

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