生长素通过MAPK介导的超长链脂肪酸合成调控侧根发育

doi:10.11983/CBB20190

植物学报 ›› 2021, Vol. 56 ›› Issue (1): 6-9.DOI: 10.11983/CBB20190

生长素通过MAPK介导的超长链脂肪酸合成调控侧根发育

黄荣峰, 徐通达^*()

福建农林大学海峡联合研究院, 园艺植物生物学及代谢组学研究中心, 福州 350002

收稿日期:2020-11-25 接受日期:2021-01-05 出版日期:2021-01-01 发布日期:2021-01-15
通讯作者: 徐通达
作者简介:*E-mail: tdxu@sibs.ac.cn
基金资助:
国家自然科学基金(32070309)

Auxin Regulates the Lateral Root Development Through MAPK-mediated VLCFAs Biosynthesis

Rongfeng Huang, Tongda Xu^*()

Horticultural Plant Biology and Metabolomics Center, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, China

Received:2020-11-25 Accepted:2021-01-05 Online:2021-01-01 Published:2021-01-15
Contact: Tongda Xu

摘要/Abstract

摘要： 促分裂原活化蛋白激酶(MAPK)信号级联通路是真核生物中高度保守的重要信号系统, 通过激酶逐级磷酸化传递并放大上游信号, 进而调控细胞反应。MAPK信号通路不仅介导植物响应环境变化, 而且在调节植物生长发育过程中发挥重要作用。近期, 山东大学丁兆军课题组研究发现, 植物重要激素生长素能够通过激活MPK14调控下游ERF13的磷酸化, 进而影响超长链脂肪酸的合成并调控侧根发育。该研究从全新的角度解析了侧根起始的新机制, 并进一步证实生长素和古老的信号转导模块MAPKs相偶联的分子机制。侧根作为植物响应环境最重要的器官之一, MAPK信号通路在侧根发育过程中的功能解析可为阐明植物如何整合发育和环境信号提供新思路。

关键词: MAPK级联反应, 生长素, 超长链脂肪酸, 侧根发育

Abstract: Mitogen-activated protein kinase (MAPK) cascade is an important and highly conserved cellular signal transduction pathway by delivery and amplification of upstream signals through protein kinase cascade phosphorylation in eukaryotes. In plants, MAPK signaling pathways not only mediate plant responses to environment, but also play crucial roles in regulating plant growth and development. A recent study from the Zhaojun Ding’s group of Shandong University uncovered a novel molecular mechanism of MPK14-mediated auxin signaling in lateral root development via ERF13- regulated very-long-chain fatty acids (VLCFAs) biosynthesis. This study reveals the molecular mechanism of the lateral root development from a new perspective, and further confirms the coupling between the vital phytohormone auxin and the ancient MAPKs module. Since lateral roots act as essential organs for plants in response to environment, deciphering the MAPK signaling pathway in regulation of lateral root development will provide a new strategy for how plants integrate development signals and environmental cues.

Key words: MAPK cascade, auxin, VLCFA, lateral root development

黄荣峰, 徐通达. 生长素通过MAPK介导的超长链脂肪酸合成调控侧根发育. 植物学报, 2021, 56(1): 6-9.

Rongfeng Huang, Tongda Xu. Auxin Regulates the Lateral Root Development Through MAPK-mediated VLCFAs Biosynthesis. Chinese Bulletin of Botany, 2021, 56(1): 6-9.

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参考文献 25

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生长素通过MAPK介导的超长链脂肪酸合成调控侧根发育

Auxin Regulates the Lateral Root Development Through MAPK-mediated VLCFAs Biosynthesis

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