微生物抗重金属的生理机制

被引：41

作者：

陈亚刚

陈雪梅

张玉刚

龙新宪

机构：

[1] 华南农业大学资源环境学院

来源：

生物技术通报 | 2009年 / 10期

关键词：

抗重金属; 生物吸附; 胞外沉淀; 生物转化; 生物累积; 外排作用;

D O I：

10.13560/j.cnki.biotech.bull.1985.2009.10.012

中图分类号：

Q935 [微生物生理学];

学科分类号：

071005 ; 100705 ;

摘要：

虽然环境中高浓度的重金属对微生物有毒害作用,但一些微生物表现出抗重金属的特性,在细胞结构、生理代谢和遗传水平方面形成了不同的抗性机制。主要从生物吸附、胞外沉淀、生物转化、生物累积和外排作用等5个方面阐述了微生物对重金属抗性的生理和分子机制,为重金属污染环境的生物修复提供理论依据。

引用

页码：60 / 65

页数：6

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