KIN10 promotes stomatal development through stabilization of the SPEECHLESS transcription factor
文献类型： 外文期刊
作者： Han, Chao 1 ; Liu, Yue 1 ; Shi, Wen 1 ; Qiao, Yan 1 ; Wang, Lingyan 1 ; Tian, Yanchen 1 ; Fan, Min 1 ; Deng, Zhiping 2 ; Lau 1 ;
作者机构： 1.Shandong Univ, Sch Life Sci, Key Lab Plant Dev & Environm Adaptat Biol, Minist Educ, Qingdao 266237, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Virol & Biotechnol, State Key Lab Qual & Safety Agroprod, Hangzhou 310021, Peoples R China
3.Natl Univ Singapore, Dept Biol Sci, 14 Sci Dr 4, Singapore 117543, Singapore
4.Univ Ghent, Dept Plant Biotechnol & Bioinformat, Ghent, Belgium
5.VIB Ctr Plant Syst Biol, Ghent, Belgium
期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.919； 五年影响因子：15.805 ）
ISSN： 2041-1723
年卷期： 2020 年 11 卷 1 期
页码：
收录情况： SCI
摘要： Stomata are epidermal structures that modulate gas exchanges between plants and the atmosphere. The formation of stomata is regulated by multiple developmental and environmental signals, but how these signals are coordinated to control this process remains unclear. Here, we showed that the conserved energy sensor kinase SnRK1 promotes stomatal development under short-day photoperiod or in liquid culture conditions. Mutation of KIN10, the catalytic alpha-subunit of SnRK1, results in the decreased stomatal index; while overexpression of KIN10 significantly induces stomatal development. KIN10 displays the cell-type-specific subcellular location pattern. The nuclear-localized KIN10 proteins are highly enriched in the stomatal lineage cells to phosphorylate and stabilize SPEECHLESS, a master regulator of stomatal formation, thereby promoting stomatal development. Our work identifies a module links connecting the energy signaling and stomatal development and reveals that multiple regulatory mechanisms are in place for SnRK1 to modulate stomatal development in response to changing environments.
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