Genome-Wide Identification of SnRK1 Catalytic alpha Subunit and FLZ Proteins in Glycyrrhiza inflata Bat. Highlights Their Potential Roles in Licorice Growth and Abiotic Stress Responses

文献类型： 外文期刊

第一作者： Yang, Chao

作者： Yang, Chao;Shi, Guangyu;Li, Yuping;Luo, Ming;Wang, Ying;Li, Yongqing;Yang, Chao;Shi, Guangyu;Li, Yuping;Luo, Ming;Wang, Ying;Li, Yongqing;Yang, Chao;Shi, Guangyu;Li, Yuping;Luo, Ming;Wang, Ying;Li, Yongqing;Wang, Hongxia;Wang, Jihua;Yuan, Ling;Wang, Ying

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关键词： SnRK1; FLZ; Glycyrrhiza inflata; stress response; growth

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

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年卷期： 2023 年 24 卷 1 期

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收录情况： SCI

摘要： Sucrose non-fermenting-1-related protein kinase-1 (SnRK1) and its scaffolding proteins, FCS-like zinc finger proteins (FLZs), are well conserved in land plants and involved in various processes of plant growth and stress responses. Glycyrrhiza inflata Bat. is a widely used licorice species with strong abiotic stress resistance, in which terpenoids and flavonoids are the major bioactive components. Here, we identified 2 SnRK1 catalytic alpha subunit encoding genes (GiSnRK1 alpha 1 and GiSnRK1 alpha 2) and 21 FLZ genes in G. inflata. Polygenetic analysis showed that the 21 GiFLZs could be divided into three groups. A total of 10 representative GiFLZ proteins interact with GiSnRK1 alpha 1, and they display overlapped subcellular localization (mainly in the nucleus and the cytoplasm) when transiently expressed in Nicotiana benthamiana leaf cells. Coinciding with the existence of various phytohormone-responsive and stress-responsive cis-regulatory elements in the GiSnRK1 alpha and GiFLZ gene promoters, GiFLZs are actively responsive to methyl jasmonic acid (MeJA) and abscisic acid (ABA) treatments, and several GiFLZs and GiSnRK1 alpha 1 are regulated by drought and saline-alkaline stresses. Interestingly, GiSnRK1 alpha and 20 of 21 GiFLZs (except for GiFLZ2) show higher expression in the roots than in the leaves. These data provide comprehensive information on the SnRK1 catalytic alpha subunit and the FLZ proteins in licorice for future functional characterization.

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