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Curr Opin Plant Biol. 2004 Aug;7(4):449-55.

Nitric oxide: a new player in plant signalling and defence responses.

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  • 1UMR INRA 1088/CNRS 5184/Universit√© de Bourgogne, Plante-Microbe-Environment, 17 rue Sully, Dijon 21065 Cedex, France.

Abstract

There is increasing evidence that nitric oxide (NO), which was first identified as a unique diffusible molecular messenger in animals, plays important roles in diverse (patho)physiological processes in plants. NO functions include the modulation of hormonal, wounding and defence responses, as well as the regulation of cell death. Enzymes that catalyse NO synthesis and signalling cascades that mediate NO effects have recently been discovered, providing a better understanding of the mechanisms by which NO influences plant responses to various stimuli. Additionally, growing evidence suggests that NO signalling interacts with the salicylic acid and jasmonic acid signalling pathways.

PMID:
15231269
DOI:
10.1016/j.pbi.2004.04.002
[PubMed - indexed for MEDLINE]
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