The Aquaporin TaPIP2;10 Confers Resistance to Two Fungal Diseases in Wheat

• DOI: 10.1094/phyto-02-21-0048-r
• Publication Date: 2021-06-01T04:48:07Z
• Authors: Xiaobing Wang; Kai Lu; Xiaohui Yao; Liyuan Zhang; Fubin Wang; Degong Wu; Jinfeng Peng; Xiaochen Chen; Junli Du; Jiankun Wei; Jingyu Ma; Lei Chen; Shenshen Zou; Chunling Zhang; Meixiang Zhang; Hansong Dong
• Keywords: Plant Immunity; Pathosystem

Plants employ aquaporins (AQPs) of the plasma membrane intrinsic protein (PIP) family to import environmental substrates, thereby affecting various processes, such as cellular responses regulated by signaling molecule hydrogen peroxide (H2O2). Common wheat (Triticum aestivum) contains 24 candidate members PIP family, designated TaPIP1;1 TaPIP1;12 and TaPIP2;1 TaPIP2;12. None these TaPIP candidates have been characterized for substrate selectivity or defense in their source plant. Here, we report that T. aestivum AQP TaPIP2;10 facilitates uptake H2O2 confer resistance against powdery mildew Fusarium head blight, two devastating fungal diseases throughout world. In wheat, apoplastic signal is induced attack, while stimulated translocate this into cytoplasm, where it activates restrict further attack. TaPIP2;10-mediated transport essential pathogen-associated molecular pattern-triggered plant immunity (PTI). Typical PTI are infection intensified overexpression gene. causes a 70% enhancement an 86% blight. By reducing disease severities, brings about >37% increase grain yield. These results verify feasibility using immunity-relevant concomitantly improve crop productivity immunity.