Kinase activity is required for the receptor kinase DROOPY LEAF1 to control leaf droopiness
Kinase activity is required for the receptor kinase DROOPY LEAF1 to control leaf droopiness
复制标题
受体激酶 DROOPY LEAF1 需要激酶活性来控制叶片下垂
DOI:
10.1080/15592324.2021.1976561
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发表时间:
2021-09
影响因子:
2.9
通讯作者:
Zhao meicheng
中科院分区:
文献类型:
--
作者:
Wang chunfang;Tang sha;Zhang qi;Shang zhonglin;Liu xigang;Diao xianmin;Zhao meicheng
Plants have evolved many leucine-rich repeat receptor-like kinases (LRR-RLKs) that control all aspects of .plant life in a kinase-dependent or -independent manner. DROOPY LEAF1 (DPY1), which is a subfamily II .LRR-RLK authentic kinase, controls leaf droopiness by negatively regulating early brassinosteroid (BR) .signaling in foxtail millet. In this study, we proved that overexpressing kinase-inactive DPY1 does not .rescue the droopy leaf phenotype of dpy1 plants because the mutated DPY1 cannot repress BR signaling, .suggesting that kinase activity is required for DPY1 to control BR signaling. Moreover, seven DPY1 sites .potentially transphosphorylated by SiBAK1 were identified as crucial for DPY1 activation. These findings .highlight the importance of kinase activity for the functionality of DPY1.
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