Research on the Mechanisms of Plant Enrichment and Detoxification of Cadmium.
Research on the Mechanisms of Plant Enrichment and Detoxification of Cadmium.
复制标题
植物富集镉和解毒机制的研究
DOI：
10.3390/biology10060544
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发表时间：
2021-06-17
期刊：
影响因子：
4.2
通讯作者：
Lv SM
中科院分区：
文献类型：
--
作者：
Yang GL;Zheng MM;Tan AJ;Liu YT;Feng D;Lv SM
一般来说，植物在受到镉胁迫后会遭受一系列的氧化损伤，甚至死亡。近年来，大量关于超积累植物在环境中对镉的耐受性和富集性的研究报道，揭示了其在修复重金属污染方面的潜力。然而，目前对超积累菌对Cd的积累和解毒机制缺乏系统的了解。因此，本综述的目的是调查这些植物如何吸收、运输和分配Cd。综述了植物根系、区域化作用、络合作用、抗氧化剂、胁迫和渗透调节在镉生物积累中的作用。该综述有助于进一步了解植物对重金属的富集性和解毒机理。摘要重金属镉(Cd)是一种主要的环境有毒污染物，严重影响动植物的生长发育和生理功能，导致环境质量恶化，威胁人类健康。研究植物对Cd的吸收和运输以及Cd的富集解毒机理，对于开发植物修复技术进行生态环境管理具有重要意义。本文综述了近年来植物对重金属Cd的富集性研究进展，包括Cd在植物体内的吸收、运输和积累。讨论了植物根系、区域化、络合、抗氧化、胁迫和渗透调节在植物Cd富集过程中的作用。最后提出了存在的问题，为植物修复技术在重金属污染领域的进一步应用提供更全面的理论依据。
Simple Summary Generally, plants undergo a series of oxidative damage and even die after being stressed by cadmium (Cd). Recently, numerous studies about hyperaccumulators that can tolerate and enrich cadmium in the environment have been reported, revealing its potential in restoration of heavy metal pollution. However, there is a lack of systemic understanding of the mechanisms of Cd accumulation and detoxification by hyperaccumulators. Therefore, the purpose of this review is to investigate how these plants absorb, transport, and distribute Cd. The role of plant roots, compartmentalization, chelation, antioxidants, stress, and osmotic adjustment in bioaccumulation of Cd are comprehensively discussed. This review contributes to further understanding the mechanisms of plant enrichment and detoxification of heavy metals. Abstract The heavy metal cadmium (Cd), as one of the major environmentally toxic pollutants, has serious impacts on the growth, development, and physiological functions of plants and animals, leading to deterioration of environmental quality and threats to human health. Research on how plants absorb and transport Cd, as well as its enrichment and detoxification mechanisms, is of great significance to the development of phytoremediation technologies for ecological and environmental management. This article summarises the research progress on the enrichment of heavy metal cadmium in plants in recent years, including the uptake, transport, and accumulation of Cd in plants. The role of plant roots, compartmentalisation, chelation, antioxidation, stress, and osmotic adjustment in the process of plant Cd enrichment are discussed. Finally, problems are proposed to provide a more comprehensive theoretical basis for the further application of phytoremediation technology in the field of heavy metal pollution.
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影响因子：
9.4
作者：
Andresen, Elisa;Kappel, Sophie;Kuepper, Hendrik
通讯作者：
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影响因子：
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作者：
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通讯作者：
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