Regulation of basal and oxidative stress‐triggered jasmonic acid‐related gene expression by glutathione

Yi Han; Amna Mhamdi; Sejir Chaouch; Graham Noctor

doi:10.1111/pce.12048

journal article Jan 07, 2013

Regulation of basal and oxidative stress‐triggered jasmonic acid‐related gene expression by glutathione

Yi Han

Amna Mhamdi Sejir Chaouch Graham Noctor

Plant, Cell & Environment Vol. 36 No. 6 pp. 1135-1146 · Wiley

View at Publisher Save 10.1111/pce.12048

Abstract

Using a combination of Arabidopsis mutants for enhanced H2O2 availability (cat2), partial glutathione deficiency (cad2) and loss of NPR1 function (npr1), the roles of glutathione in determining jasmonic acid (JA) gene expression were studied. Genetically or pharmacologically induced glutathione deficiency decreased basal expression of two jasmonic acid (JA) marker genes, and microarray analysis of the cad2 mutant indicated that this was part of a general effect on JA‐associated gene expression. Comparison of cat2 cad2 and cat2 npr1 double mutants revealed that glutathione plays an important part in linking intracellular oxidative stress to induced JA signaling, and that this effect of glutathione is not explainable in terms of altered NPR1 function. Overall, the study indicates new glutathione‐dependent points of control in defense hormone signaling.

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Details

Published: Jan 07, 2013
Vol/Issue: 36(6)
Pages: 1135-1146
License: View

Authors

Y

Yi Han

Institut de Biologie des Plantes UMR CNRS 8618 Université de Paris Sud 11 91405 Orsay Cedex France

A

Amna Mhamdi

Institut de Biologie des Plantes UMR CNRS 8618 Université de Paris Sud 11 91405 Orsay Cedex France

S

Sejir Chaouch

Institut de Biologie des Plantes UMR CNRS 8618 Université de Paris Sud 11 91405 Orsay Cedex France

G

Graham Noctor

Institut de Biologie des Plantes UMR CNRS 8618 Université de Paris Sud 11 91405 Orsay Cedex France

Cite This Article

Yi Han, Amna Mhamdi, Sejir Chaouch, et al. (2013). Regulation of basal and oxidative stress‐triggered jasmonic acid‐related gene expression by glutathione. Plant, Cell & Environment, 36(6), 1135-1146. https://doi.org/10.1111/pce.12048

Regulation of basal and oxidative stress‐triggered jasmonic acid‐related gene expression by glutathione

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