On the origins of nitric oxide

Nitric oxide (NO) is widely recognized for its role as signaling compound. However, the metabolic mechanisms that determine changes in the level of NO in plants are only poorly understood, despite this knowledge being crucial to understanding the signal function of NO. To date, at least seven possib...

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Veröffentlicht in:Trends in plant science 2011-03, Vol.16 (3), p.160-168
Hauptverfasser: Gupta, Kapuganti J, Fernie, Alisdair R, Kaiser, Werner M, van Dongen, Joost T
Format: Artikel
Sprache:eng
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Zusammenfassung:Nitric oxide (NO) is widely recognized for its role as signaling compound. However, the metabolic mechanisms that determine changes in the level of NO in plants are only poorly understood, despite this knowledge being crucial to understanding the signal function of NO. To date, at least seven possible pathways of NO biosynthesis have been described for plants, although the molecular and enzymatic components are resolved for only one of these. Currently, this represents the most significant bottleneck for NO research. In this review, we provide an overview of the multiplicity of NO production and scavenging pathways in plants. Furthermore, we discuss which areas should be focused on in future studies to investigate the origin of fluctuations in the level of NO in plants.
ISSN:1360-1385
1878-4372
DOI:10.1016/j.tplants.2010.11.007