再生水受纳河流中抗生素抗性基因研究综述

Journal: Ecological Environment and Protection DOI: 10.12238/eep.v7i3.2001

严宏应, 杜文静, 宋宇洋, 郭洪发

中国海洋大学三亚海洋研究院

Abstract

再生水回用是缓解水资源短缺的有效途径,但同时再生水也会携带大量的抗生素(antibiotic,ATs)、抗生素耐药细菌(antibiotic resistant bacteria,ARB)和抗性基因(antibiotic resistance genes,ARGs)进入受纳河流中。研究表明再生水可改变其下游水和沉积物中微生物群落的组成,并且使其下游水和沉积物中的ARGs和移动遗传元件(MGEs)的丰度显著增加,增加了ARGs的暴露和风险。本文综述了现有关于再生水受纳河流中ARGs的赋存状况,分析了ARGs在受纳河流中的时空分布特征和影响因素,并对今后再生水受纳河流中ARGs污染研究进行了展望。

Keywords

抗性基因;再生水受纳河流;时空分布特征;影响因素

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