Enhancement of naphthalene tolerance in transgenic Arabidopsis plants overexpressing the ferredoxin-like protein (ADI1) from rice
文献类型: 外文期刊
作者: Fu, Xiao-Yan 1 ; Zhu, Bo 1 ; Han, Hong-Juan 1 ; Zhao, Wei 1 ; Tian, Yong-Sheng 1 ; Peng, Ri-He 1 ; Yao, Quan-Hong 1 ;
作者机构: 1.Shanghai Acad Agr Sci, Agrobiotechnol Res Inst, Shanghai Key Lab Agr Genet & Breeding, 2901 Beidi Rd, Shanghai 201106, Peoples R China
关键词: Naphthalene;ADI1 gene;Transgenic Arabidopsis;Phytoremediation
期刊名称:PLANT CELL REPORTS ( 影响因子:4.57; 五年影响因子:4.463 )
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收录情况: SCI
摘要: Naphthalene is a global environmental concern, because this substance is assumed to contribute considerably to human cancer risk. Cleaning up naphthalene contamination in the environment is crucial. Phytoremediation is an efficient technology to clean up contaminants. However, no gene that can efficiently degrade exogenous recalcitrant naphthalene in plants has yet been discovered. Ferredoxin (Fd) is a key player of biological electron transfer reaction in the PAH degradation process. The biochemical pathway for bacterial degradation of naphthalene has been well investigated. In this study, a rice gene, ADI1, which codes for a putative photosynthetic-type Fd, has been transformed into Arabidopsis thaliana. The transgenic Arabidopsis plants enhanced tolerance and degradation efficiency of naphthalene. Compared with wild-type plants, transgenic plants assimilated naphthalene from the culture media faster and removed more of this substance. When taken together, our findings suggest that breeding plants with overexpressed ADI1 gene is an effective strategy to degrade naphthalene in the environment.
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