Role of transpiration and metabolism in translocation and accumulation of cadmium in tobacco plants (Nicotiana tabacum L.)

文献类型： 外文期刊

第一作者： Liu, Haiwei

作者： Liu, Haiwei;Wang, Haiyun;Wang, Haohao;Shi, Yi;Ma, Yibing

作者机构：

关键词： Hyperaccumulator;Transfer;Symplastic pathway;Apoplastic pathway;Heavy metal

期刊名称：CHEMOSPHERE （ 影响因子：7.086； 五年影响因子：6.956 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Tobacco plants grown in pots and in hydroponic culture accumulated cadmium (Cd) particularly: the Cd content of tobacco leaves exceeded 100 mg/kg and the enrichment factor (the ratio of Cd in leaves to that in soil) was more than 4. These high levels of accumulation identify tobacco as a hyperaccumulator of Cd. Two transpiration inhibitors (paraffin or CaCl2) and shade decreased the Cd content of tobacco leaves, and the decrease showed a linear relationship with the leaf transpiration rate. A metabolism inhibitor, namely 2,4-dinitrophenol (DNP), and low temperature (4 degrees C) also lowered the Cd content of tobacco leaves, but the inhibitory effect of low temperature was greater. In the half number of leaves that were shaded, the Cd content decreased to 26.5% of that in leaves that were not shaded in the same tobacco plants. These results suggests that translocation of Cd from the medium to the leaves is driven by the symplastic and the apoplastic pathways. Probably, of the two crucial steps in the translocation of Cd in tobacco plants, one, namely uptake from the medium to the xylem, is energy-dependent whereas the other, namely the transfer from the xylem to the leaves, is driven mainly by transpiration. (C) 2015 Elsevier Ltd. All rights reserved.

分类号： X5

  • 相关文献

[1]Cadmium accumulation characteristics of the winter farmland weeds Cardamine hirsuta Linn. and Gnaphalium affine D. Don. Liao, Ming'an,Mei, Luoyin,Shi, Jun,Liu, Qihua. 2014

[2]Phytoremediation of Zn- and Cr-Contaminated Soil Using Two Promising Energy Grasses. Li, C.,Xiao, B.,Wang, Q. H.,Yao, S. H.,Wu, J. Y.,Xiao, B.. 2014

[3]Manganese tolerance and accumulation in six Mn hyperaccumulators or accumulators. Tang, Xiumei,Gong, Chunfeng,Xu, GenDi,Liu, Peng,Tang, Xiumei,Tang, Xiumei.

[4]Effect of citric acid on phytoextraction and antioxidative defense in Solanum nigrum L. as a hyperaccumulator under Cd and Pb combined pollution. Xia, Jun,Miao, Chiyuan,Gao, Yang,Mao, Liang,Zhou, Pei,Shi, Wanjun,Luo, Chunyan. 2012

[5]Plant Hairy Roots for Remediation of Aqueous Pollutants. Zhou, Mei-Liang,Tang, Yi-Xiong,Wu, Yan-Min.

[6]Factors affecting the transfer of immunoglobulin G1 into the milk of Holstein cows. Liu, G. L.,Wang, J. Q.,Bu, D. P.,Cheng, J. B.,Zhang, C. G.,Wei, H. Y.,Zhou, L. Y.,Zhou, Z. F.,Hu, H.,Dong, X. L.,Wang, J. Q.,Wei, H. Y.,Zhou, L. Y.,Wang, J. Q.,Wei, H. Y.,Zhou, L. Y.,Zhang, C. G.,Dong, X. L..

[7]Fate of triadimefon and its metabolite triadimenol in jujube samples during jujube wine and vinegar processing. Zhao, Liuwei,Wu, Liming,Xue, Xiaofeng,Zhao, Liuwei,Liu, Fengmao,Hou, Fan.

[8]Gene duplication and transfer events in plant mitochondria genome. Xiong, Ai-Sheng,Peng, Ri-He,Zhuang, Jing,Gao, Feng,Zhu, Bo,Fu, Xiao-Yan,Xue, Yong,Jin, Xiao-Fen,Tian, Yong-Sheng,Zhao, Wei,Yao, Quan-Hong. 2008

[9]Rural Land Tenure and Land Transfer Polices in China. Si, Zhi-Zhi,Nie, Feng-Ying. 2014

[10]Factors and Predictions for Cadmium Transfer from Soils into Tomato Plants. Qu, Ronghui,Ma, Yibing,Qu, Ronghui,Zeng, Saiqi,Ding, Qiong,Liang, Zhenfei,Wei, Dongpu,Li, Jumei,Ma, Yibing.

[11]Dissipation, transfer and safety evaluation of emamectin benzoate in tea. Chen, Zongmao.

[12]Total and subcellular distribution of trace elements in the liver of a mother-fetus pair of Dall's porpoises (Phocoenoides dalli). Yang, J,Kunito, T,Anan, Y,Tanabe, S,Miyazaki, N. 2004

[13]Evaluation of Chlorpyrifos Transferred from Contaminated Feed to Duck Commodities and Dietary Risks to Chinese Consumers. Li, Rui,Ji, Xiaofeng,Wei, Wei,Qiang, Mingrong,Wang, Qiang,Yuan, Yuwei,Li, Rui,Ji, Xiaofeng,Wei, Wei,Qiang, Mingrong,Wang, Qiang,Yuan, Yuwei,He, Liang,Liu, Zhiqiang.

[14]Effects of Zinc and Chromium Stresses on Heavy Metal Accumulation of Rice Roots at Different Growth Stages of Rice Plants. Zhu, Xuemei,Zhang, Qingsong,Ma, Xiang,Ye, Linchun,Lin, Lijin,Liu, Qihua,Shao, Jirong. 2010

[15]Study on the Effect of Carboxyl Bagasse Hemicellulose on Heavy Metal Adsorption. Liu, Xinliang,Zhu, Hongxiang,Li, Zhoujun,Lu, Yiguan,Wu, Fusheng,Wang, Shuangfei,Weng, Mengling. 2012

[16]Effect of Biochars from Rice Husk, Bran, and Straw on Heavy Metal Uptake by Pot-Grown Wheat Seedling in a Historically Contaminated Soil. Zheng, Ruilun,Xiao, Bo,Chen, Zheng,Wang, Xiaohui,Huang, Yizong,Sun, Guoxin,Cai, Chao. 2013

[17]Mercury in Sclerotia of Wolfiporia Extensa (Peck) Ginns Fungus Collected Across of the Yunnan Land. Wiejak, Anna,Falandysz, Jerzy,Wang Yuan-zhong,Zhang Ji. 2016

[18]Which Factors Determine Metal Accumulation in Agricultural Soils in the Severely Human-Coupled Ecosystem?. Xu, Li,Cao, Shanshan,Wang, Jihua,Lu, Anxiang,Xu, Li,Cao, Shanshan,Wang, Jihua,Lu, Anxiang. 2016

[19]Determination of Cr, Zn, As and Pb in Soil by X-Ray Fluorescence Spectrometry Based on a Partial Least Square Regression Model. Lu, Anxiang,Wang, Jihua,Pan, Ligang,Lu, Anxiang,Qin, Xiangyang,Wang, Jihua,Zhu, Dazhou,Sun, Jiang. 2011

[20]Interaction of veterinary antibiotic tetracyclines and copper on their fates in water and water hyacinth (Eichhornia crassipes). Lu, Xin,Gao, Yan,Luo, Jia,Yan, Shaohua,Zhang, Zhenhua,Lu, Xin,Gao, Yan,Luo, Jia,Yan, Shaohua,Zhang, Zhenhua,Rengel, Zed,Zhang, Zhenhua. 2014

作者其他论文 更多>>

微信小程序