首页|Transcription factor OsSPL10 interacts with OsJAmyb to regulate blast resistance in rice

Transcription factor OsSPL10 interacts with OsJAmyb to regulate blast resistance in rice

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Transcription factors(TFs)play essential roles in transcriptional reprogramming during activation of plant immune responses to pathogens.OsSPL10(SQUAMOSA promoter binding protein-like10)is an important TF regulating trichome development and salt tolerance in rice.Here we report that knockout of OsSPL10 reduces whereas its overexpression enhances rice resistance to blast disease.OsSPL10 posi-tively regulates chitin-induced immune responses including reactive oxygen species(ROS)burst and cal-lose deposition.We show that OsSPL1O physically associates with OsJAmyb,an important TF involved in jasmonic acid(JA)signaling,and positively regulates its protein stability.We then prove that OsJAmyb positively regulates resistance to blast.Our results reveal a molecular module consisting of OsSPL10 and OsJAmyb that positively regulates blast resistance.

ImmunityJasmonateOryza sativaOsSPL10Transcription factor

Zaofa Zhong、Lijing Zhong、Xiang Zhu、Yimin Jiang、Yihong Zheng、Tao Lan、Haitao Cui

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College of Life Science,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China

College of Plant Protection,Shandong Agricultural University,Tai'an 271018,Shandong,China

Key Laboratory of Genetics,Breeding and Multiple Utilization of Crops,Ministry of Education,College of Agriculture,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China

Fujian Provincial Key Laboratory of Crop Breeding by Design,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China

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Natural Science Foundation Key Program of Fujian ProvinceNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaSino-German Mobility Program funded jointly by National Natural Science Foundation of China and German Research Foundation

2023J020113197028131671668M-0275

2024

10.1016/j.cj.2023.10.015

作物学报(英文版)

作物学报(英文版)

CSTPCD
ISSN：
年,卷(期)：2024.12(1)
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