The wheat transcription factor, TabHLH39, improves tolerance to multiple abiotic stressors in transgenic plants

文献类型: 外文期刊

第一作者: Zhai, Yiqian

作者: Zhai, Yiqian;Zhang, Lichao;Xia, Chuan;Fu, Silu;Zhao, Guangyao;Jia, Jizeng;Kong, Xiuying

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关键词: Wheat;bHLH transcription factor;Abiotic stress tolerance

期刊名称:BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS ( 影响因子:3.575; 五年影响因子:3.381 )

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收录情况: SCI

摘要: Although bHLH transcription factors play important roles regulating plant development and abiotic stress response and tolerance, few functional studies have been performed in wheat. In this study, we isolated and characterized a bHLH gene, TabHLH39, from wheat. The TabHLH39 gene is located on wheat chromosome 5DL, and the protein localized to the nucleus and activated transcription. TabHLH39 showed variable expression in roots, stems, leaves, glumes, pistils and stamens and was induced by polyethylene glycol, salt and cold treatments. Further analysis revealed that TabHLH39 overexpression in Arabidopsis significantly enhanced tolerance to drought, salt and freezing stress during the seedling stage, which was also demonstrated by enhanced abiotic stress-response gene expression and changes to several physiological indices. Therefore, TabHLH39 has potential in transgenic breeding applications to improve abiotic stress tolerance in crops. (C) 2016 Elsevier Inc. All rights reserved.

分类号: Q5

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