植物对重金属镉的吸收与耐受机制研究进展 |
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引用本文: | 晋海军,王海霞. 植物对重金属镉的吸收与耐受机制研究进展[J]. 中国农学通报, 2019, 35(24): 52-57. DOI: 10.11924/j.issn.1000-6850.casb19030015 |
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作者姓名: | 晋海军 王海霞 |
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作者单位: | 贵州中医药大学 |
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基金项目: | 贵州省国内一流建设学科(中药学)(GNYL[2017]008 号);贵州省科技计划项目(黔科合LH 字[2016]7117);贵阳中医学院2018 年度学术 新苗培养及创新探索专项项目(黔科合平台人才[2017]5735 号-19);贵阳中医学院博士科研启动金项目“不同产地续断药材iTRAQ定量蛋白质组学 研究”(043160005)。 |
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摘 要: | 为了有效降低土壤中镉含量,保障人类健康,人们希望通过一种经济、有效的方法——植物修复技术来治理土壤镉污染。因此,植物对重金属镉的吸收与耐受机制研究,已成为近年来植物逆境生理研究的热点。笔者主要综述了植物对镉的吸收、转运及积累机制,以及植物体通过细胞壁的沉积、细胞区室化、螯合作用和抗氧化系统的保护作用对镉的耐受机制,以期为今后通过植物修复技术更好治理土壤镉污染提供基础资料。
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关 键 词: | 设施番茄 设施番茄 黄腐酸钾 产量 品质 土壤理化性质 |
收稿时间: | 2019-03-04 |
Plant Absorption and Tolerance Mechanism to Heavy Metal Cadmium: Research Progress |
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Abstract: | In order to effectively reduce the cadmium content in soil and protect human health, it is hoped that an economical and effective method (phytoremediation technology) can be used to control soil cadmium pollution. Therefore, the study on the mechanism of plant absorption and tolerance to heavy metal cadmium has become a hot spot in plant stress physiology research in recent years. The authors reviewed the mechanisms of cadmium uptake, transport and accumulation of plant, as well as the tolerance mechanism of plant to cadmium through cell wall deposition, cell compartmentalization, chelation and antioxidant system protection, so as to provide basic information for better control of soil cadmium pollution through phytoremediation technology in the future. |
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