The Function of Inositol Phosphatases in Plant Tolerance to Abiotic Stress

文献类型： 外文期刊

第一作者： Jia, Qi

作者： Jia, Qi;Kong, Defeng;Sun, Song;Song, Junliang;Liang, Kangjing;Lin, Wenxiong;Huang, Jinwen;Jia, Qi;Lin, Wenxiong;Huang, Jinwen;Li, Qinghua;Ke, Qingming;Zhu, Yebao

作者机构：

关键词： inositol; phosphatidylinositol; phosphatase; stress; signaling pathway

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1661-6596

年卷期： 2019 年 20 卷 16 期

页码：

收录情况： SCI

摘要： Inositol signaling is believed to play a crucial role in various aspects of plant growth and adaptation. As an important component in biosynthesis and degradation of myo-inositol and its derivatives, inositol phosphatases could hydrolyze the phosphate of the inositol ring, thus affecting inositol signaling. Until now, more than 30 members of inositol phosphatases have been identified in plants, which are classified intofive families, including inositol polyphosphate 5-phosphatases (5PTases), suppressor of actin (SAC) phosphatases, SAL1 phosphatases, inositol monophosphatase (IMP), and phosphatase and tensin homologue deleted on chromosome 10 (PTEN)-related phosphatases. The current knowledge was revised here in relation to their substrates and function in response to abiotic stress. The potential mechanisms were also concluded with the focus on their activities of inositol phosphatases. The general working model might be that inositol phosphatases would degrade the Ins(1,4,5)P-3 or phosphoinositides, subsequently resulting in altering Ca2+ release, abscisic acid (ABA) signaling, vesicle trafficking or other cellular processes.

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