Influence of Europium speciation on its accumulation in Brassica?napus?and?over-expressing?BnTR1?lines
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- 作者：Zhongyong Zha (1)
Dingna Wang (2)
Wei Hong (2)
Li Liu (2)
Sai Zhou (2)
Xiaojie Feng (1)
Bing Qin (1)
Jianmei Wang (4)
Yi Yang (4)
Liang Du (3)
Dong Zhang (3)
Zhendong Fang (1)
Chuanqin Xia (2) - 关键词：Accumulation ; Brassica napus ; Over ; expressing?BnTR1?lines ; Europium speciation
- 刊名：Journal of Radioanalytical and Nuclear Chemistry
- 出版年：2014
- 出版时间：July 2014
- 年：2014
- 卷：301
- 期：1
- 页码：257-262
- 全文大小：
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Dingna Wang (2)
Wei Hong (2)
Li Liu (2)
Sai Zhou (2)
Xiaojie Feng (1)
Bing Qin (1)
Jianmei Wang (4)
Yi Yang (4)
Liang Du (3)
Dong Zhang (3)
Zhendong Fang (1)
Chuanqin Xia (2)
1. Logistic Engineering University, Chongqing, 401311, People’s Republic of China
2. College of Chemistry, Sichuan University, Chengdu, 610064, People’s Republic of China
4. College of Life Sciences, Sichuan University, Chengdu, 610064, People’s Republic of China
3. Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900, People’s Republic of China - ISSN：1588-2780
文摘
This study aimed at influence of europium speciation on its accumulation in Brassica?napus (CK)?and?over-expressing?BnTR1?lines (OE), and the kinetics of Eu uptake were investigated. These results indicated that the uptake in the roots of OE was higher than that of CK at high concentrations of europium and even the enrichment in the roots of OE was as high as 20,000?mg/kg at 328.9?μΜ Eu, this suggested that OE might have better resistance to uranium than CK. The time kinetics in plants showed that there had the similar trend between CK?and?OE. The formation of Eu3+at pH 5 in deionized water was beneficial to plants enrichment Eu and carbonate could reduce the adsorption of Eu in two group and phosphate almost completely impress the adsorption of Eu in two group, but citric acid could enhance europium root-to-shoot translocation in two group. These results would help understanding the mechanism of Eu uptake in Brassica napus (CK) and over-expressing?BnTR1?lines (OE), therefore properly developing efficient europium/americium phytoremediation.