OsGF14e positively regulates panicle blast resistance in rice

被引：17
|
作者：
Liu, Qing [1 ,2 ]
Yang, Jianyuan [3 ]
Zhang, Shaohong [1 ,2 ]
Zhao, Junliang [1 ,2 ]
Feng, Aiqing [3 ]
Yang, Tifeng [1 ,2 ]
Wang, Xiaofei [1 ,2 ]
Mao, Xingxue [1 ,2 ]
Dong, Jingfang [1 ,2 ]
Zhu, Xiaoyuan [3 ]
Leung, Hei [4 ]
Leach, Jan E. [5 ]
Liu, Bin [1 ,2 ]
机构：
[1] Guangdong Key Lab New Technol Rice Breeding, Guangzhou 510640, Guangdong, Peoples R China
[2] Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Guangdong, Peoples R China
[3] Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangdong Key Lab New Technol Plant Protect, Guangzhou 510640, Guangdong, Peoples R China
[4] Int Rice Res Inst, Plant Breeding Genet & Biotechnol Div, DAPO Box 7777, Manila, Philippines
[5] Colorado State Univ, Bioagr Sci & Pest Management, Ft Collins, CO 80537 USA
来源：
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2016年 / 471卷 / 01期
基金：
中国国家自然科学基金;
关键词：
GF14e; Panicle blast; Hormone pathway; WRKY71; Rice; DISEASE RESISTANCE; CELL-DEATH; GENES; PROTEIN; BIOSYNTHESIS; EXPRESSION; ETHYLENE; ENCODES; CLONING; STRESS;
D O I：
10.1016/j.bbrc.2016.02.005
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Though GF14e has been reported to negatively regulate bacterial blight and sheath blight resistance in rice, its effect on panicle blast, the most destructive disease in rice is still unknown. In the present study, we identified that GF14e was highly expressed in panicles and was induced in panicles infected by blast pathogen. Overexpression of GF14e enhances resistance to panicle blast whereas silencing GF14e results in increased susceptibility to panicle blast, suggesting that GF14e plays a positive role in quantitative panicle blast resistance in rice. Our results also demonstrate that GF14e is regulated by WRKY71 and GF14e-mediated panicle blast resistance is related to activation of SA-dependent pathway and suppression of JA-dependent pathway. The functional confirmation of GF14e in panicle blast resistance makes it to be a promising target in molecular rice breeding. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：247 / 252
页数：6
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