function of the auxin-responsive gene tasaur75 under salt and drought stress

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ID: 243478
2018
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Abstract
Small auxin-upregulated RNAs (SAURs) are genes regulated by auxin and environmental factors. In this study, we identified a SAUR gene in wheat, TaSAUR75. Under salt stress, TaSAUR75 is downregulated in wheat roots. Subcellular localization revealed that TaSAUR75 was localized in both the cytoplasm and nucleus. Overexpression of TaSAUR75 increased drought and salt tolerance in Arabidopsis. Transgenic lines showed higher root length and survival rate and higher expression of some stress-responsive genes than control plants under salt and drought stress. Less H2O2 accumulated in transgenic lines than in control plants under drought stress. Our findings reveal a positive regulatory role of the auxin-responsive gene TaSAUR75 in plant responses to drought and salt stress and provide a candidate gene for improvement of abiotic stress tolerance in crop breeding.
Reference Key
guo2018cropfunction Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yuan Guo;Qiyan Jiang;Zheng Hu;Xianjun Sun;Shoujin Fan;Hui Zhang
Journal Biomaterials science
Year 2018
DOI
10.1016/j.cj.2017.08.005
URL
http://www.sciencedirect.com/science/article/pii/S2214514117300879
Keywords
drought wheat ros salt

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