Exposure to a magnetic field or laser radiation ameliorates effects of Pb and Cd on physiology and growth of young wheat seedlings
Chen, Yi-ping1; Chen, Dong1; Liu, Qiang1,2
2017-04-01
发表期刊JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
卷号169期号:2017页码:171-177
文章类型Article
摘要Lead (Pb) and cadmium (Cd) contamination of soils pose significant problems for successful seed germination and establishment. We compared effects of subjecting wheat seeds either to a magnetic field (MF: 0-800 millitesla) or laser radiation (LR: 0-8 min at 20 mW/mm(2)) on wheat seed germination and on physiology and growth of young seedlings exposed to these two heavy metals as seeds and as 2-day-old seedlings. Intermediate levels of either MF or LR increased germination. In seeds untreated by MF or LR, exposure to Cd and Pb resulted in: significant increases in the concentrations of malondialdehyde ([MDA]) and superoxide anion radical ([O-2(-)]), and in the conductivity of electrolyte leakage (CEL); significant decreases in catalase (CAT), superoxide dismutase (SOD), and glutathione reductase (GR) activity; a significant decrease in glutathione concentration ([GSH]); and a significant decrease in shoot biomass relative to seeds exposed to these heavy metals following MF or LR treatments. Although both MF and LR ameliorated physiological effects of Cd and Pb exposure on young seedlings, only LR decreased Cd and Pb concentrations in the wheat shoot itself. Our results suggest that in agricultural sites contaminated by these two heavy metals, that LR could improve production and counter heavy metals accumulation. (C) 2017 Elsevier B.V. All rights reserved.
关键词Wheat Laser Radiation Magnetic Field Lead Cadmium Seedling Physiology
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jphotobiol.2017.03.012
关键词[WOS]HE-NE-LASER ; GLUTATHIONE-REDUCTASE ; PLANTS ; GERMINATION ; STRESS ; YIELD ; SEEDS ; IRRADIATION ; TOXICITY ; LEAVES
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Biophysics
WOS类目Biochemistry & Molecular Biology ; Biophysics
WOS记录号WOS:000400718700022
引用统计
被引频次:3[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/361006/5472
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710061, Peoples R China
2.State Ocean Adm, Inst Oceanog 2, Key Lab Marine Ecosyst & Biogeochem, Hangzhou 310012, Zhejiang, Peoples R China
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Chen, Yi-ping,Chen, Dong,Liu, Qiang. Exposure to a magnetic field or laser radiation ameliorates effects of Pb and Cd on physiology and growth of young wheat seedlings[J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY,2017,169(2017):171-177.
APA Chen, Yi-ping,Chen, Dong,&Liu, Qiang.(2017).Exposure to a magnetic field or laser radiation ameliorates effects of Pb and Cd on physiology and growth of young wheat seedlings.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY,169(2017),171-177.
MLA Chen, Yi-ping,et al."Exposure to a magnetic field or laser radiation ameliorates effects of Pb and Cd on physiology and growth of young wheat seedlings".JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 169.2017(2017):171-177.
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