Enhancement of phenol stress tolerance in transgenic Arabidopsis plants overexpressing glutathione S-transferase

文献类型： 外文期刊

第一作者： Xu, Jing

作者： Xu, Jing;Tian, Yong-Sheng;Xing, Xiao-Juan;Xu, Zhi-Sheng;Zhu, Bo;Fu, Xiao-Yan;Peng, Ri-He;Yao, Quan-Hong

作者机构：

关键词： Glutathione S-transferase;Phenol stress;Arabidopsis;Phytoremediation

期刊名称：PLANT GROWTH REGULATION （ 影响因子：3.412； 五年影响因子：3.691 ）

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收录情况： SCI

摘要： Plant glutathione S-transferases (GSTs) are important for protecting plants against oxidative damage. We studied the function of a glutathione S-transferase family protein in Arabidopsis, AtGSTF2. Our results indicate the transgenic plants showed increased tolerance to oxidative stress caused by application of phenol. Under phenol stress, the lipid hydroperoxidation [the production of malondialdehyde (MDA)] of the leaves in overexpressing lines was suppressed compared with that of control plants. The antioxidative enzyme activities (SOD and POD) were higher in transgenic plants than in control. Furthermore, the residual phenol in medium was decreased more in transgenic plants than in control plants. These results indicate overexpressing GST protein reduce the damage of lipid hydroperoxidation and oxidative damage caused by phenol. Our findings also provide a suitable remediation strategy for sites contaminated by phenol.

分类号： S311

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