Overexpression of OsGF14f Enhances Quantitative Leaf Blast and Bacterial Blight Resistance in Rice

被引：5
|
作者：
Ma, Yamei [1 ,2 ,3 ]
Yang, Jianyuan [4 ]
Dong, Jingfang [1 ,2 ,3 ]
Zhang, Shaohong [1 ,2 ,3 ]
Yang, Wu [1 ,2 ,3 ]
Zhao, Junliang [1 ,2 ,3 ]
Yang, Tifeng [1 ,2 ,3 ]
Chen, Luo [1 ,2 ,3 ]
Zhou, Lian [1 ,2 ,3 ]
Wang, Jian [1 ,2 ,3 ]
Chen, Jiansong [1 ,2 ,3 ]
Li, Wenhui [1 ,2 ,3 ]
Wu, Wei [1 ,2 ,3 ]
Liu, Qing [1 ,2 ,3 ]
Liu, Bin [1 ,2 ,3 ]
机构：
[1] Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Peoples R China
[2] Guangdong Key Lab New Technol Rice Breeding, Guangzhou 510640, Peoples R China
[3] Guangdong Rice Engn Lab, Guangzhou 510640, Peoples R China
[4] Guangdong Acad Agr Sci, Guangdong Key Lab New Technol Plant Protect, Plant Protect Res Inst, Guangzhou 510640, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2022年 / 23卷 / 13期
基金：
中国国家自然科学基金;
关键词：
GF14f; leaf blast resistance; bacterial blight resistance; SA pathway; 14-3-3; PROTEINS; DISEASE RESISTANCE; BROAD-SPECTRUM; CELL-DEATH; GENES; TOMATO; FAMILY; EVOLUTION; RESPONSES; ISOFORMS;
D O I：
10.3390/ijms23137440
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：
Although it is known that rice 14-3-3 family genes are involved in various defense responses, the functions of OsGF14f in response to diseases have not been reported. Here, we showed that the transcription of OsGF14f was significantly induced by leaf blast infection, and the overexpression of OsGF14f quantitatively enhanced resistance to leaf blast and bacterial blight in rice. Further analysis showed that the expression levels of salicylic acid (SA) pathway-associated genes (PAL1, NH1, PR1a and PR10) in the OsGF14f-overexpressing plants, were higher than those in wild-type plants after inoculation with the blast isolate (Magnaporthe oryzae Barr). In addition, the expression level of OsGF14f was significantly induced after SA treatment, and higher endogenous SA levels were observed in the OsGF14f-overexpressing plants compared with that in wild-type plants, especially after blast challenge. Taken together, these results suggest that OsGF14f positively regulates leaf blast and bacterial blight resistance in rice via the SA-dependent signaling pathway.
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页数：11
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