A R2R3 MYB transcription factor from ash positively regulates salt response in tobacco

文献类型： 外文期刊

第一作者： Li, Tian

作者： Li, Tian;Sun, Jingkuan;Li, Tian;Bi, Yuping

作者机构：

关键词： Ash;MYB transcription factor;transcription;salt stress

期刊名称：TURKISH JOURNAL OF BIOLOGY （ 影响因子：1.452； 五年影响因子：1.251 ）

ISSN： 1300-0152

年卷期： 2017 年 41 卷 4 期

页码：

收录情况： SCI

摘要： The roles of MYB transcription factors are diverse and important in regulating environmental stress in plants. In this study, the R2R3 MYB gene FvMYB2 (GenBank Accession No. KY767843) and its promoter region were cloned from ash (Fraxinus velutina Torr.). Phylogenetic analysis revealed that FvMYB2 was clustered with VvMYB60 from Vitis vinifera. PlantCARE software analysis showed that its promoter contained different cis elements involved in diverse abiotic stresses. The expression patterns of FvMYB2 were investigated under different abiotic stress conditions. FvMYB2 subcellular localization was mainly localized in the nucleus. Overexpression of FvMYB2 in tobacco showed enhanced salt resistance and upregulation of stress-and ABA-related genes after NaCl treatment. These results indicated that FvMYB2 may play a positive role in salt stress regulation mediated by ABA-dependent signaling mechanisms.

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