Cysteine protease RD21A regulated by E3 ligase SINAT4 is required for drought-induced resistance to Pseudomonas syringae in Arabidopsis

Cysteine protease RD21A regulated by E3 ligase SINAT4 is required for drought-induced resistance to Pseudomonas syringae in Arabidopsis

Published by Oxford University Press on behalf of the Society for Experimental Biology 2020.

Détails bibliographiques
Publié dans:Journal of experimental botany. - 1985. - 71(2020), 18 vom: 19. Sept., Seite 5562-5576
Auteur principal: Liu, Yi (Auteur)
Autres auteurs: Wang, Kunru, Cheng, Qiang, Kong, Danyu, Zhang, Xunzhong, Wang, Zhibo, Wang, Qian, Xie, Qi, Yan, Jijun, Chu, Jinfang, Ling, Hong-Qing, Li, Qi, Miao, Jiamin, Zhao, Bingyu
Format: Article en ligne
Langue:English
Publié: 2020
Accès à la collection:Journal of experimental botany
Sujets:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Cysteine protease RD21A SINAT4 drought treatment protein interactions stomatal immunity ubiquitin E3 ligase plus... virulence effector Arabidopsis Proteins Ubiquitin-Protein Ligases EC 2.3.2.27 Cysteine Proteases EC 3.4.-
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520 |a Plants can be simultaneously exposed to multiple stresses. The interplay of abiotic and biotic stresses may result in synergistic or antagonistic effects on plant development and health. Temporary drought stress can stimulate plant immunity; however, the molecular mechanism of drought-induced immunity is largely unknown. In this study, we demonstrate that cysteine protease RD21A is required for drought-induced immunity. Temporarily drought-treated wild-type Arabidopsis plants became more sensitive to the bacterial pathogen-associated molecular pattern flg22, triggering stomatal closure, which resulted in increased resistance to Pseudomonas syringae pv. tomato DC3000 (Pst-DC3000). Knocking out rd21a inhibited flg22-triggered stomatal closure and compromised the drought-induced immunity. Ubiquitin E3 ligase SINAT4 interacted with RD21A and promoted its degradation in vivo. The overexpression of SINAT4 also consistently compromised the drought-induced immunity to Pst-DC3000. A bacterial type III effector, AvrRxo1, interacted with both SINAT4 and RD21A, enhancing SINAT4 activity and promoting the degradation of RD21A in vivo. Therefore, RD21A could be a positive regulator of drought-induced immunity, which could be targeted by pathogen virulence effectors during pathogenesis 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Cysteine protease 
650 4 |a RD21A 
650 4 |a SINAT4 
650 4 |a drought treatment 
650 4 |a protein interactions 
650 4 |a stomatal immunity 
650 4 |a ubiquitin E3 ligase 
650 4 |a virulence effector 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Ubiquitin-Protein Ligases  |2 NLM 
650 7 |a EC 2.3.2.27  |2 NLM 
650 7 |a Cysteine Proteases  |2 NLM 
650 7 |a EC 3.4.-  |2 NLM 
700 1 |a Wang, Kunru  |e verfasserin  |4 aut 
700 1 |a Cheng, Qiang  |e verfasserin  |4 aut 
700 1 |a Kong, Danyu  |e verfasserin  |4 aut 
700 1 |a Zhang, Xunzhong  |e verfasserin  |4 aut 
700 1 |a Wang, Zhibo  |e verfasserin  |4 aut 
700 1 |a Wang, Qian  |e verfasserin  |4 aut 
700 1 |a Xie, Qi  |e verfasserin  |4 aut 
700 1 |a Yan, Jijun  |e verfasserin  |4 aut 
700 1 |a Chu, Jinfang  |e verfasserin  |4 aut 
700 1 |a Ling, Hong-Qing  |e verfasserin  |4 aut 
700 1 |a Li, Qi  |e verfasserin  |4 aut 
700 1 |a Miao, Jiamin  |e verfasserin  |4 aut 
700 1 |a Zhao, Bingyu  |e verfasserin  |4 aut 
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