Phytoremediation of 2,4,6-trinitrotoluene by Arabidopsis plants expressing a NAD(P)H-flavin nitroreductase from Enterobacter cloacae

文献类型: 外文期刊

第一作者: You, Shuang-Hong

作者: You, Shuang-Hong;Zhu, Bo;Han, Hong-Juan;Wang, Bo;Peng, Ri-He;Yao, Quan-Hong

作者机构:

关键词: Enterobacter cloacae;Phytoremediation;TNT;Transgenic Arabidopsis

期刊名称:PLANT BIOTECHNOLOGY REPORTS ( 影响因子:2.01; 五年影响因子:1.907 )

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收录情况: SCI

摘要: 2,4,6-Trinitrotoluene (TNT) is released into natural environment from demilitarization facilities, manufacturing, and explosive remnants of war; this compound is one of the most recalcitrant explosives. TNT contamination is associated with human health risks because TNT strongly causes mutagenicity and carcinogenicity. Unfortunately, effective and affordable technologies to remediate TNT-contaminated environments are insufficient. As such, studies have been conducted to develop strategies using plants to extract and detoxify TNT from environment. In this study, a system was designed to overcome high phytotoxicity of TNT by expressing a NAD(P) H-flavin nitroreductase from Enterobacter cloacae to investigate the possibility of TNT phytoremediation. The resulting transgenic Arabidopsis showed a remarkable improvement in the ability to tolerate, absorb, and detoxify TNT as evidenced by their growth condition. This study can be used as reference to facilitate the effective cleanup of TNT-contaminated sites.

分类号: Q94

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