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Maize FERONIA-like receptor genes are involved in the response of multiple disease resistance in maize

文献类型： 外文期刊

作者： Yu, Haiyue 1 ; Ruan, Hongchun 3 ; Xia, Xinyao 2 ; Chicowski, Aline Sartor 4 ; Whitham, Steven A. 4 ; Li, Zhiqiang 2 ; Wang, Guirong 1 ; Liu, Wende 2 ;

作者机构： 1.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Shenzhen Branch, Guangdong Lab Lingnan Modern Agr,Minist Agr,Genom, Shenzhen, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

3.Fujian Acad Agr Sci, Inst Plant Protect, Fuzhou, Peoples R China

4.Iowa State Univ, Dept Plant Pathol & Microbiol, Ames, IA USA

关键词： cell death; FERONIA; FLR; maize disease; reactive oxygen species (ROS); virus-induced gene silencing (VIGS)

期刊名称：MOLECULAR PLANT PATHOLOGY （ 影响因子：5.52； 五年影响因子：6.25 ）

ISSN： 1464-6722

年卷期： 2022 年 23 卷 9 期

页码：

收录情况： SCI

摘要： Receptor-like kinases (RLKs) are key modulators of diverse cellular processes such as development and sensing the extracellular environment. FERONIA, a member of the CrRLK1L subfamily, acts as a pleiotropic regulator of plant immune responses, but little is known about how maize FERONIA-like receptors (FLRs) function in responding to the major foliar diseases of maize such as northern corn leaf blight (NLB), northern corn leaf spot (NLS), anthracnose stalk rot (ASR), and southern corn leaf blight (SLB). Here, we identified three ZmFLR homologous proteins that showed cell membrane localization. Transient expression in Nicotiana benthamiana proved that ZmFLRs were capable of inducing cell death. To investigate the role of ZmFLRs in maize, we used virus-induced gene silencing to knock down expression of ZmFLR1/2 and ZmFLR3 resulting in reduced reactive oxygen species production induced by flg22 and chitin. The resistance of maize to NLB, NLS, ASR, and SLB was also reduced in the ZmFLRs knockdown maize plants. These results indicate that ZmFLRs are positively involved in broad-spectrum disease resistance in maize.

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