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Recombinant expression ofThermosynechococcus elongatus BP-1glutathione S-transferase inArabidopsis thaliana: an efficient tool for phytoremediation of thiocyanate

文献类型： 外文期刊

作者： Gao, Jian-Jie 1 ; Zhang, Ling 1 ; Peng, Ri-He 1 ; Wang, Bo 1 ; Feng, Hui-Juan 1 ; Li, Zhen-Jun 1 ; Yao, Quan-Hong 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Shanghai Key Lab Agr Genet & Breeding, Agrobiotechnol Res Inst, Shanghai, Peoples R China

2.Nanjing Agr Univ, Dept Pomol, Coll Hort, Nanjing, Jiangsu, Peoples R China

关键词： Thiocyanate; Thermosynechococcus elongatus BP-1; Arabidopsis thaliana; transgenic; enhance phytoremediation; glutathione S-transferase; degradation

期刊名称：BIOTECHNOLOGY & BIOTECHNOLOGICAL EQUIPMENT （ 影响因子：1.632； 五年影响因子：2.029 ）

ISSN： 1310-2818

年卷期： 2020 年 34 卷 1 期

页码：

收录情况： SCI

摘要： Large-scale production of thiocyanate (SCN-) for industrial purposes has led to widespread environmental pollution by this compound. Thiocyanate (SCN-) is toxic for humans and recalcitrant to biological oxygenation and hydrolysis. Phytoremediation is an effective technique for disposal of SCN(-)because thiocyanate (SCN-) can be assimilated by many plants from contaminated water and soil. In this study, we demonstrate thatThermosynechococcus elongatus BP-1glutathione S-transferase (TeGST) is a good candidate gene for enhancing phytoremediation of thiocyanate (SCN-) in the plant. Our study demonstrated thatArabidopsis thalianaintroduced with the glutathione S-transferase (GST) gene were able to germinate and grow in a medium containing 5 mmolL(-1)thiocyanate (SCN-), which was lethal for wild-type plants. Moreover, the GST can confer the capacity of plants to remove more thiocyanatein vivo. Our results suggest that grafting theT. elongatus BP-1glutathione S-transferase (TeGST) gene into plants is a potentially effective strategy to enhance phytoremediation of environmental thiocyanates. To our knowledge, this is the first study on the degradation of guanidine isothiocyanate by transgenic plants.

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