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Article Dans Une Revue Phytochemistry Année : 2015

NO signaling in plant immunity: A tale of messengers

Pauline Trapet
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Anna Kulik
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Olivier Lamotte
Sylvain Jeandroz

Résumé

Nitric oxide (NO) is a free radical gas involved in a myriad of plant physiological processes including immune responses. How NO mediates its biological effects in plant facing microbial pathogen attack is an unresolved question. Insights into the molecular mechanisms by which it propagates signals reveal the contribution of this simple gas in complex signaling pathways shared with reactive oxygen species (ROS) and the second messenger Ca2+. Understanding of the subtle cross-talks operating between these signals was greatly improved by the recent identification and the functional analysis of proteins regulated through S-nitrosylation, a major NO-dependent post-translational protein modification. Overall, these findings suggest that NO is probably an important component of the mechanism coordinating and regulating Ca2+ and ROS signaling in plant immunity. (C) 2014 Elsevier Ltd. All rights reserved.
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Dates et versions

hal-01696276 , version 1 (30-01-2018)

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Pauline Trapet, Anna Kulik, Olivier Lamotte, Sylvain Jeandroz, Stephane Bourque, et al.. NO signaling in plant immunity: A tale of messengers. Phytochemistry, 2015, 112, pp.72--79. ⟨10.1016/j.phytochem.2014.03.015⟩. ⟨hal-01696276⟩
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