The COG1-OsSERL2 complex senses cold to trigger signaling network for chilling tolerance in japonica rice
文献类型： 外文期刊
作者： Xia, Changxuan 1 ; Liang, Guohua 3 ; Chong, Kang 1 ; Xu, Yunyuan 1 ;
作者机构： 1.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Yangzhou Univ, Jiangsu Key Lab Crop Genet & Physiol, Key Lab Plant Funct Genom, Minist Educ,Co Innovat Ctr Modern Prod Technol Gr, Yangzhou 225009, Jiangsu, Peoples R China
4.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr BVRC, Beijing 100097, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：16.6； 五年影响因子：17.0 ）
ISSN：
年卷期： 2023 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Improvement of chilling tolerance is a key strategy to face potential menace from abnormal temperature in rice production, which depends on the signaling network triggered by receptors. However, little is known about the QTL genes encoding membrane complexes for sensing cold. Here, Chillingtolerance in Gengdao/japonica rice 1 (COG1) is isolated from a chromosome segment substitution line containing a QTL (qCS11-jap) for chilling sensitivity. The major gene COG1 is found to confer chilling tolerance in japonica rice. In natural rice populations, only the haplogroup1 encodes a functional COG1. Evolutionary analysis show that COG1 originates from Chinese O. Rufipogon and is fixed in japonica rice during domestication. COG1, a membranelocalized LRR-RLP, targets and activates the kinase OsSERL2 in a cold-induced manner, promoting chilling tolerance. Furthermore, the cold signal transmitted by COG1-OsSERL2 activates OsMAPK3 in the cytoplasm. Our findings reveal a cold-sensing complex, which mediates signaling network for the chilling defense in rice.
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