Isoprenylation modification is required for HIPP1-mediated powdery mildew resistance in wheat
文献类型: 外文期刊
第一作者: Wang, Zongkuan
作者: Wang, Zongkuan;Zhang, Heng;Li, Yingbo;Chen, Yiming;Tang, Xiong;Zhao, Jia;Yu, Feifei;Wang, Haiyan;Xiao, Jin;Liu, Jia;Zhang, Xu;Sun, Li;Xie, Qi;Wang, Xiue;Wang, Zongkuan;Zhang, Heng;Li, Yingbo;Zhang, Heng;Li, Yingbo
作者机构:
关键词: heavy-metal-associated protein; plant defence signalling; protein isoprenylation modification; Triticum aestivum L
期刊名称:PLANT CELL AND ENVIRONMENT ( 影响因子:7.947; 五年影响因子:8.452 )
ISSN: 0140-7791
年卷期: 2023 年 46 卷 1 期
页码:
收录情况: SCI
摘要: Powdery mildew (Pm), caused by Blumeria graminis f.sp. tritici (Bgt), is one of the most important wheat diseases. Heavy-metal-associated isoprenylated plant protein (HIPP1) has been proved playing important roles in response to biotic and a biotic stress. In present study, we proved HIPP1-V from Haynalidia villosa is a positive regulator in Pm resistance. HIPP1-V was rapidly induced by Bgt. Transiently or stably heterologous overexpressing HIPP1-V in wheat suppressed the haustorium formation and enhanced Pm resistance. HIPP1-V isoprenylation was critical for plasma membrane (PM) localization, interaction with E3-ligase CMPG1-V and function in Pm resistance. Bgt infection recruited the isoprenylated HIPP1-V and CMPG1s on PM; blocking the HIPP1 isoprenylation reduced such recruitment and compromised the resistance of OE-CMPG1-V and OE-HIPP1-V. Overexpressing HIPP1-VC148G could not enhance Pm resistance. These indicated the Pm resistance was dependent on HIPP1-V's isoprenylation. DGEs related to the ROS and SA pathways were remarkably enriched in OE-HIPP1-V, revealing their involvement in Pm resistance. Our results provide evidence on the important role of protein isoprenylation in plant defense.
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