|本期目录/Table of Contents|

[1]李政 张珩琳 范书伶 杨颖 李严 曲媛媛**.[综 述] 金属元素与环境微生物的互作关系研究进展[J].应用与环境生物学报,2020,26(04):1-13.[doi:10.19675/j.cnki.1006-687x.2019.09022]
 Zheng Li,Henglin Zhang,Shuling Fan,et al.Research on the interaction between metal and environmental microbes[J].Chinese Journal of Applied & Environmental Biology,2020,26(04):1-13.[doi:10.19675/j.cnki.1006-687x.2019.09022]
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[综 述] 金属元素与环境微生物的互作关系研究进展()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
26卷
期数:
2020年04期
页码:
1-13
栏目:
研究论文
出版日期:
2020-08-25

文章信息/Info

Title:
Research on the interaction between metal and environmental microbes
作者:
李政 张珩琳 范书伶 杨颖 李严 曲媛媛**
工业生态与环境工程教育部重点实验室,大连理工大学环境学院,大连116024
Author(s):
Zheng Li Henglin Zhang Shuling Fan Ying Yang Yan Li Yuanyuan Qu*
Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
关键词:
金属元素微生物迁移转化工程应用
Keywords:
Metal elements microorganisms transportation and transformation engineering applications
DOI:
10.19675/j.cnki.1006-687x.2019.09022
摘要:
在自然环境、人工生态系统等不同的环境介质中,微生物能与各种金属及其化合物共存并产生相互作用,最终影响其在环境中的迁移速率、循环过程及分布状态。本文综述了金属元素的生物地球化学循环、微生物与金属元素的互作机理以及在生产生活中的应用。主要结论为:微生物通过生物矿化、生物浸出等方式使金属发生迁移和生物转化,进而影响其在不同环境介质中的迁移速率、毒性等理化性质,参与了金属地球化学循环的每一步。微生物与金属相互作用的机理探索目前尚处于研究阶段,但较为认可的作用机制包括生物膜作用、电子传递和毒性效应等。而在工业上,微生物与金属元素间的相互作用在微生物燃料电池、金属的回收利用、土壤中重金属污染的治理等诸多方面得到了广泛的应用。最后对该领域的研究成果和发展进行了展望。未来,可在群落水平上利用组学手段解析金属元素生物溶解与析出的调控网络及信号分子等作用机制,并利用基因工程或酶工程等技术开发可有效降低环境中重金属离子毒性的相关菌剂。
Abstract:
In different environmental media such as natural environment and artificial ecosystem, microorganisms can coexist and interact with various metals and their compounds, ultimately affecting their migration rate, circulation process and distribution state in the environment. This paper reviews the biogeochemical cycle of metal elements, the interaction mechanism between microorganisms and metal elements, and their applications in production and life. The main conclusions are: microorganisms migrate and biotransform the metals through biomineralization, bioleaching, etc., thereby affecting the physical and chemical properties such as migration rate and toxicity in different environmental media , which confirmed that they could participate in every step of the metal geochemical cycle. The mechanism of interaction between microorganisms and metals is still in research, but the more recognized ones include biofilm action, electron transport and toxic effects. In industry, the interaction between microorganisms and metal elements has been widely used in many aspects such as microbial fuel cells, metal recycling, and treatment of heavy metal pollution in soil. Finally, the research results and development in this field are prospected. In the future, the mechanism of regulation and mechanism of metal element biolysis and precipitation can be analyzed at the community level and techniques such as genetic engineering or enzyme engineering can be used to develop strains that can efficiently reduce the toxicity of heavy metal ions in the environment.

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备注/Memo

备注/Memo:
收稿日期 Received: 2019-09-10 接受日期 Accepted: 2019-11-27
*哈尔滨工业大学城市水资源与水环境国家重点实验室开放课题(QAK201943),国家自然科学基金(31970107)
Supported by the Open Project of State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology (QAK201943) and National Nature Science Foundation of China (31970107)
**通讯作者 Corresponding author (E-mail: qyy@dlut.edu.cn)
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更新日期/Last Update: 2019-12-05