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Magnetic field can alleviate toxicological effect induced by cadmium in mungbean seedlings
Chen,YP(Chen,Yiping)[1]; Li,R(Li,Ran)[2]; He,JM(He,Junmin)[2]
2011-06-30
发表期刊ECOTOXICOLOGY
卷号20期号:4页码:760-769
文章类型期刊论文
摘要

To alleviate toxicological effect induced by cadmium in mungbean seedlings, seeds were divided into four groups: The controls groups (CK, without treatment), magnetic field treated groups (MF), cadmium treated groups (CS), and magnetic field treated followed by cadmium treated groups (MF + CS).The results showed: (i) Compared with the controls, cadmium stress resulted in enhancing in the concentration of malondialdehyde, H(2)O(2) and O(2-), and the conductivity of electrolyte leakage while decreasing in the nitrice oxide synthase (NOS) activity, the concentration of nitrice oxide (NO), chlorophyll and total carbon and nitrogen, the net photosynthetic rate, the stomatal conductance, the transpiration rate, the water use efficiency, the lateral number and seedlings growth except for intercellular CO(2) concentration increase. However, the seedlings treated with 600 mT magnetic field followed by cadmium stress the concentration of malondialdehyde, H(2)O(2) and O(2-), and the conductivity of electrolyte leakage decreased, while the above mentioned NO concentration, NOS activity, photosynthesis and growth parameters increased compared to cadmium stress alone. (ii) Compared with the cadmium stress (CS), the seedling growth were inhibited when the seeds were treated with NO scavenger (hemoglobin, HB) and inhibition of NO generating enzyme (sodium tungstate, ST), conversely, the seedling growth were improved by the NO donor sodium nitroprusside (SNP) and CaCl(2). In the case of the HB and ST treatment followed by magnetic field and then the seedling subjected to CS, the seedlings growth was better than that of hemoglobin (HB) followed by CS and ST followed by CS. The seeds were treated with SNP and CaCl(2) followed by MF, and then subjected to CS, the seedlings growth were better than that of SNP followed by CS, and CaCl(2) followed by CS. These results suggested that magnetic field compensates for the toxicological effects of cadmium exposure are related to NO signal.

关键词Mungbean Magnetic Field No Signaling Ca Signaling Cd Stress Photosynthesis
DOI10.1007/s10646-011-0620-6
收录类别SCI
语种英语
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10236
专题生态环境研究室
通讯作者Chen,YP(Chen,Yiping)[1]
作者单位1.SKLLQG, Institute of Earth Environment, Chinese Academyof Science, No. 10, Feng-Hui Road, Xi’an 710075, China;
2.College of Life Science, Shaanxi Normal University,Xi’an 710068, China
推荐引用方式
GB/T 7714
Chen,YP,Li,R,He,JM. Magnetic field can alleviate toxicological effect induced by cadmium in mungbean seedlings[J]. ECOTOXICOLOGY,2011,20(4):760-769.
APA Chen,YP,Li,R,&He,JM.(2011).Magnetic field can alleviate toxicological effect induced by cadmium in mungbean seedlings.ECOTOXICOLOGY,20(4),760-769.
MLA Chen,YP,et al."Magnetic field can alleviate toxicological effect induced by cadmium in mungbean seedlings".ECOTOXICOLOGY 20.4(2011):760-769.
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