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Enhanced Transformation of TNT by Arabidopsis Plants Expressing an Old Yellow Enzyme

文献类型： 外文期刊

作者： Zhu, Bo 1 ; Peng, Ri-He 1 ; Fu, Xiao-Yan 1 ; Jin, Xiao-Fen 1 ; Zhao, Wei 1 ; Xu, Jing 1 ; Han, Hong-Juan 1 ; Gao, Jian-Ji 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Agrobiotechnol Res Ctr, Shanghai, Peoples R China

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

3.Yangzhou Univ, Coll Biosci & Biotechnol, Yangzhou, Peoples R China

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2012 年 7 卷 7 期

页码：

收录情况： SCI

摘要： 2,4,6-Trinitrotoluene (TNT) is released in nature from manufacturing or demilitarization facilities, as well as after the firing or detonation of munitions or leakage from explosive remnants of war. Environmental contamination by TNT is associated with human health risks, necessitating the development of cost-effective remediation techniques. The lack of affordable and effective cleanup technologies for explosives contamination requires the development of better processes. In this study, we present a system for TNT phytoremediation by overexpressing the old yellow enzyme (OYE3) gene from Saccharomyces cerevisiae. The resulting transgenic Arabidopsis plants demonstrated significantly enhanced TNT tolerances and a strikingly higher capacity to remove TNT from their media. The current work indicates that S. cerevisiae OYE3 overexpression in Arabidopsis is an efficient method for the phytoremoval and degradation of TNT. Our findings have the potential to provide a suitable remediation strategy for sites contaminated by TNT.

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