JingPhytophthoraSojaeEffector.pdf

Citeable URL: https://ir.library.oregonstate.edu/concern/articles/xg94hr38f

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Creator	Jing, Maofeng Guo, Baodian Li, Haiyang Yang, Bo Wang, Haonan Kong, Guanghui Zhao, Yao Xu, Huawei Wang, Yan Ye, Wenwu Dong, Suomeng Qiao, Yongli Tyler, Brett M. Ma, Wenbo Wang, Yuanchao
Abstract	Phytophthora pathogens secrete an array of specific effector proteins to manipulate host innate immunity to promote pathogen colonization. However, little is known about the host targets of effectors and the specific mechanisms by which effectors increase susceptibility. Here we report that the soybean pathogen Phytophthora sojae uses an essential effector PsAvh262 to stabilize endoplasmic reticulum (ER)-luminal binding immunoglobulin proteins (BiPs), which act as negative regulators of plant resistance to Phytophthora. By stabilizing BiPs, PsAvh262 suppresses ER stress-triggered cell death and facilitates Phytophthora infection. The direct targeting of ER stress regulators may represent a common mechanism of host manipulation by microbes.
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2017-07-26

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