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The Role of Phytohormones in Enhancing Metal Remediation Capacity of Algae.
Bulletin of Environmental Contamination and Toxicology ( IF 2.7 ) Pub Date : 2020-05-20 , DOI: 10.1007/s00128-020-02880-3
Thien Q Nguyen 1 , Verena Sesin 2 , Anna Kisiala 1 , R J Neil Emery 1
Affiliation  

Heavy metal (HM) contamination of the environment is a major issue worldwide, creating an ever-increasing demand for remediation techniques. Remediation with algae offers an ecologically safe, cost-effective, and efficient option for HM removal. Similar to plants, growth and development of algae are controlled by the hormonal system, where phytohormones are involved in HM tolerance and thus can regulate remediation ability; however, the underlying mechanisms of phytohormone function remain elusive. This review aims to draw a comprehensive model of phytohormone contributions to algal performance under HM stress. We focus on the mechanisms of HM biosorption, uptake and intracellular storage, and on how phytohormones interact with algal defence systems under HM exposure. We provide examples of successful utilization of algae in remediation, and of post-processing of algal materials. Finally, we discuss the advantages and risks of using algae for remediation. An in-depth understanding of these processes can inform effective HM remediation techniques.

中文翻译:

植物激素在增强藻类金属修复能力中的作用。

重金属(HM)对环境的污染是世界范围内的主要问题,对补救技术的需求不断增长。藻类修复为去除HM提供了一种生态安全,经济高效的高效选择。与植物相似,藻类的生长和发育也受到激素系统的控制,其中植物激素参与了HM的耐受性,因此可以调节修复能力。然而,植物激素功能的潜在机制仍然难以捉摸。这篇综述旨在画出在激素胁迫下植物激素对藻类表现的综合模型。我们专注于HM的生物吸收,摄取和细胞内存储的机制,以及在HM暴露下植物激素如何与藻类防御系统相互作用。我们提供了成功利用藻类进行补救的实例,以及藻类材料的后处理。最后,我们讨论了使用藻类进行补救的优势和风险。对这些过程的深入了解可以为有效的HM修复技术提供参考。
更新日期:2020-05-20
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