Protein nitration during defense response in Arabidopsis thaliana

被引：82

作者：

Cecconi, Daniela ^{[1
]}

Orzetti, Stefano ^{[1
]}

Vandelle, Elodie ^{[1
]}

Rinalducci, Sara ^{[2
]}

Zolla, Lello ^{[2
]}

Delledonne, Massimo ^{[1
]}

机构：

[1] Univ Verona, Dipartimento Biotecnol, I-37134 Verona, Italy

[2] Univ Tuscia, Dipartimento Sci Ambientali, Viterbo, Italy

来源：

ELECTROPHORESIS | 2009年 / 30卷 / 14期

关键词：

Arabidopsis thaliana; Hypersensitive response; Protein nitration; Proteomics; S-NITROSYLATED PROTEINS; DISEASE RESISTANCE RESPONSE; PLANT-PATHOGEN INTERACTIONS; NITRIC-OXIDE; TYROSINE NITRATION; PHOTOSYSTEM-II; PROTEOMIC ANALYSIS; HYDROGEN-PEROXIDE; REACTIVE NITROGEN; ABIOTIC STRESS;

D O I：

10.1002/elps.200800826

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Nitric oxide and reactive oxygen species play a key role in the plant hypersensitive disease resistance response, and protein tyrosine nitration is emerging as an important mechanism of their co-operative interaction. Up to now, the proteins targeted by this post-translational modification in plants are still totally unknown. in this study, we analyzed for the first time proteins undergoing nitration during the hypersensitive response by analyzing via 1D- and 2D-western blot the protein extracts from Arabidopsis thaliana plants challenged with an avirulent bacterial pathogen (Pseudomonas syringae pv. Tomato). We show that the plant disease resistance response is correlated with a modulation of nitration of proteins involved in important cellular process, such as photosynthesis, glycolysis and nitrate assimilation. These findings shed new light on the signaling functions of nitric oxide and reactive oxygen species, paving the way on studies on the role of this post-translational modification in plants.

引用

页码：2460 / 2468

页数：9

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