AhNHL24 enhances peanut resistance to bacterial wilt and stem rot via glutathione and phenylpropanoid pathways

Copyright © 2025 Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 362(2025) vom: 27. Sept., Seite 112791
1. Verfasser: Hou, Mengtian (VerfasserIn)
Weitere Verfasser: Li, Hao, Cao, Zenghui, Wang, Fang, Hu, Sasa, Li, Yanzhe, Ma, Qian, Li, Yaoyao, Fan, Yi, Zhao, Kai, Zhao, Kunkun, Qiu, Ding, Gong, Fangping, Li, Zhongfeng, Ma, Xingli, Ren, Rui, Yin, Dongmei
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2025
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article AhNHL24 NHL family genes Overexpression Peanut Resistance
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520 |a Peanut is one of the most important food and oil crops in the world. However, the production of peanut is seriously affected by various pathogens, especially the bacterial wilt (BW) and fungal stem rot (SR) caused by Ralstonia solanacearum and Sclerotium rolfsii, respectively. Nonrace-specific disease resistance gene 1/Harpin-induced gene 1 (NDR1/HIN1)-like (NHL) family genes play crucial roles in plant defense response. Herein, a genome-wide identification of peanut AhNHL genes was conducted. Totally, 45 AhNHL genes were identified, and they were phylogenetically classified into two groups. The four genes (AhNHL14, AhNHL24, AhNHL31 and AhNHL33), exhibiting significant differences in responses to R. solanacearum infection and hormone treatments, were selected for functional characterization. Subcellular localization analysis showed that these protein fusions are primarily located on plasma membrane and/or nucleus. Meanwhile, they were transiently overexpressed in tobacco and peanut leaves, which resulted in increased resistance to R. solanacearum. Transgenic tobacco lines overexpressing AhNHL24 exhibit resistance to R. solanacearum and S. rolfsii. Further expression analysis revealed that AhNHL24 enhances the resistance to BW and SR mainly through regulating glutathione metabolism and phenylpropanoids biosynthesis. Our findings provide novel insights into roles of NHL genes in plant resistance, which would promote breeding of broad-resistant crop cultivars 
650 4 |a Journal Article 
650 4 |a AhNHL24 
650 4 |a NHL family genes 
650 4 |a Overexpression 
650 4 |a Peanut 
650 4 |a Resistance 
700 1 |a Li, Hao  |e verfasserin  |4 aut 
700 1 |a Cao, Zenghui  |e verfasserin  |4 aut 
700 1 |a Wang, Fang  |e verfasserin  |4 aut 
700 1 |a Hu, Sasa  |e verfasserin  |4 aut 
700 1 |a Li, Yanzhe  |e verfasserin  |4 aut 
700 1 |a Ma, Qian  |e verfasserin  |4 aut 
700 1 |a Li, Yaoyao  |e verfasserin  |4 aut 
700 1 |a Fan, Yi  |e verfasserin  |4 aut 
700 1 |a Zhao, Kai  |e verfasserin  |4 aut 
700 1 |a Zhao, Kunkun  |e verfasserin  |4 aut 
700 1 |a Qiu, Ding  |e verfasserin  |4 aut 
700 1 |a Gong, Fangping  |e verfasserin  |4 aut 
700 1 |a Li, Zhongfeng  |e verfasserin  |4 aut 
700 1 |a Ma, Xingli  |e verfasserin  |4 aut 
700 1 |a Ren, Rui  |e verfasserin  |4 aut 
700 1 |a Yin, Dongmei  |e verfasserin  |4 aut 
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