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Creation of Environmentally Friendly Super "Dinitrotoluene Scavenger" Plants

文献类型： 外文期刊

作者： Gao, Jian-Jie 1 ; Li, Zhen-Jun 1 ; Zhu, Bo 4 ; Wang, Li-Juan 1 ; Xu, Jing 1 ; Wang, Bo 1 ; Fu, Xiao-Yan 1 ; Han, Hong-Juan 1 ; Zhang, Wen-Hui 1 ; Deng, Yong-Dong 1 ; Wang, Yu 1 ; Zuo, Zhi-Hao 1 ; Peng, Ri-He 1 ; Tian, Yong-Sheng 1 ; Yao, Quan-Hong 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Biotechnol Res Inst, Shanghai 201106, Peoples R China

2.Shanghai Acad Agr Sci, Shanghai Key Lab Agr Genet & Breeding, Shanghai 201106, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Safety Assessment Environm Agr Genet Modif, Shanghai 201106, Peoples R China

4.Anhui Normal Univ, Coll Life Sci, Anhui Prov Key Lab Conservat Biol Resources, Wuhu 241000, Peoples R China

关键词： 2,4-dinitrotoluene (2,4-DNT); carbon neutrality; complete degradation; rapid phytoremediation; sustainable development goals

期刊名称：ADVANCED SCIENCE （ 影响因子：15.1； 五年影响因子：16.7 ）

ISSN：

年卷期： 2023 年

页码：

收录情况： SCI

摘要： Pervasive environmental contamination due to the uncontrolled dispersal of 2,4-dinitrotoluene (2,4-DNT) represents a substantial global health risk, demanding urgent intervention for the removal of this detrimental compound from affected sites and the promotion of ecological restoration. Conventional methodologies, however, are energy-intensive, susceptible to secondary pollution, and may inadvertently increase carbon emissions. In this study, a 2,4-DNT degradation module is designed, assembled, and validated in rice plants. Consequently, the modified rice plants acquire the ability to counteract the phytotoxicity of 2,4-DNT. The most significant finding of this study is that these modified rice plants can completely degrade 2,4-DNT into innocuous substances and subsequently introduce them into the tricarboxylic acid cycle. Further, research reveals that the modified rice plants enable the rapid phytoremediation of 2,4-DNT-contaminated soil. This innovative, eco-friendly phytoremediation approach for dinitrotoluene-contaminated soil and water demonstrates significant potential across diverse regions, substantially contributing to carbon neutrality and sustainable development objectives by repurposing carbon and energy from organic contaminants. This study presents a novel approach to developing environmentally friendly "dinitrotoluene scavengers" plants capable of efficiently degrading 2,4-dinitrotoluene (2,4-DNT) into harmless compounds while recovering ATP and acetyl-CoA through the 2,4-DNT degradative products. These plants also exhibit a remarkable ability to rapidly phytoremediate 2,4-DNT, thereby facilitating carbon emission reductions and promoting sustainable development.image

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