PuNDH9, a subunit of ETC Complex I regulates plant defense by interacting with PuPR1

Copyright © 2024 Elsevier B.V. All rights reserved.

Détails bibliographiques
Publié dans:Plant science : an international journal of experimental plant biology. - 1985. - 341(2024) vom: 15. Apr., Seite 112009
Auteur principal: Qiao, Qinghai (Auteur)
Autres auteurs: Wang, Xin, Su, Zhiyuan, Han, Chenyang, Zhao, Keke, Qi, Kaijie, Xie, Zhihua, Huang, Xiaosan, Zhang, Shaoling
Format: Article en ligne
Langue:English
Publié: 2024
Accès à la collection:Plant science : an international journal of experimental plant biology
Sujets:Journal Article Complex I Plant defense PuNDH9 PuPR1 ROS Electron Transport Complex I EC 7.1.1.2 NAD 0U46U6E8UK Reactive Oxygen Species
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520 |a NAD+ and NADH play critical roles in energy metabolism, cell death, and gene expression. The NADH-ubiquinone oxidoreductase complex (Complex I) has been long known as a key enzyme in NAD+ and NADH metabolism. In the present study, we found and analyzed a new subunit of Complex I (NDH9), which was isolated from Pyrus ussuriensis combined with RT-PCR. Following infection with A. alternata, RT-qPCR analysis demonstrated an increase in the expression of PuNDH9. Genetic manipulation of PuNDH9 levels suggested that PuNDH9 plays key roles in NADH/NAD+ homeostasis, defense enzyme activities, ROS generation, cell death, gene expression, energy metabolism, and mitochondrial functions during the pear- A. alternata interaction. Furthermore, Y2H, GST-pull down, and a split-luciferase complementation imaging assays revealed that PuNDH9 interacts with PuPR1. We discover that PuNDH9 and PuPR1 synergistically activate defense enzyme activities, ROS accumulation, cell death, and plant defenses. Collectively, our findings reveal that PuNDH9 is likely important for plant defenses 
650 4 |a Journal Article 
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650 4 |a Plant defense 
650 4 |a PuNDH9 
650 4 |a PuPR1 
650 4 |a ROS 
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650 7 |a EC 7.1.1.2  |2 NLM 
650 7 |a NAD  |2 NLM 
650 7 |a 0U46U6E8UK  |2 NLM 
650 7 |a Reactive Oxygen Species  |2 NLM 
700 1 |a Wang, Xin  |e verfasserin  |4 aut 
700 1 |a Su, Zhiyuan  |e verfasserin  |4 aut 
700 1 |a Han, Chenyang  |e verfasserin  |4 aut 
700 1 |a Zhao, Keke  |e verfasserin  |4 aut 
700 1 |a Qi, Kaijie  |e verfasserin  |4 aut 
700 1 |a Xie, Zhihua  |e verfasserin  |4 aut 
700 1 |a Huang, Xiaosan  |e verfasserin  |4 aut 
700 1 |a Zhang, Shaoling  |e verfasserin  |4 aut 
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773 1 8 |g volume:341  |g year:2024  |g day:15  |g month:04  |g pages:112009 
856 4 0 |u http://dx.doi.org/10.1016/j.plantsci.2024.112009  |3 Volltext 
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