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Characterization of antibiotic resistance genes and bacterial community in selected municipal and industrial sewage treatment plants beside Poyang Lake

机译：Po阳湖附近部分市政和工业污水处理厂的抗生素抗性基因和细菌群落特征

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摘要

Sewage treatment plants (STPs) are significant reservoirs of antibiotic resistance genes (ARGs) and antibiotic-resistant bacteria (ARB). Municipal STPs (MSTPs) and industrial STPs ([STPs) are the two most important STP types in cities. In this study, the ARGs, mobile genetic elements (MGEs), and bacterial communities of selected STPs, including two MSTPs and one ISTP, in the vicinity of Poyang Lake were comprehensively investigated through high-throughput qPCR and high-throughput Illumina sequencing. The results showed that the profiles of ARGs, MGEs and bacteria differed between the ISTP and the two MSTPs, most likely due to differences in influent water quality, such as the Pb that characterized in the ISTP's influent. The longer hydraulic retention times (HRTs) of the two MSTPs than of the ISTP may also have accounted for the different profiles. Thus, a prolonged HRT in the CASS process seems to allow a more extensive removal of ARGs and bacteria in ISTPs with similar treatment process. By providing comprehensive insights into the characteristics of ARGs, MGEs and the bacterial communities of the selected MSTPs and ISTP, our study provides a scientific basis for controlling the propagation and diffusion of ARGs and ARB in different types of STPs. (C) 2020 Elsevier Ltd. All rights reserved.
机译：污水处理厂（STP）是抗生素抗性基因（ARG）和抗生素抗性细菌（ARB）的重要储藏库。市政STP（MSTP）和工业STP（[STPs））是城市中最重要的两种STP类型。在这项研究中，通过高通量qPCR和高通量Illumina测序，对investigated阳湖附近选定STP的ARGs，移动遗传元件（MGEs）和细菌群落，包括两个MSTP和一个ISTP进行了全面调查。结果表明，ISTP和两个MSTP之间的ARGs，MGE和细菌的特征有所不同，这很可能是由于进水水质的差异，例如以ISTP进水为特征的铅。两个MSTP的水力停留时间（HRT）比ISTP更长，这也可能说明了不同的情况。因此，在CASS过程中延长HRT似乎可以通过类似的处理过程更广泛地去除ISTP中的ARG和细菌。通过提供对选定的MSTP和ISTP的ARG，MGE和细菌群落特征的全面了解，我们的研究为控制ARG和ARB在不同类型的STP中的传播和扩散提供了科学依据。 （C）2020 Elsevier Ltd.保留所有权利。

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  • 来源
    《Water Research》 |2020年第may1期|115603.1-115603.10|共10页
  • 作者

  • 作者单位

    Jiangxi Prov Inst Water Sci Jiangxi Prov Key Lab Water Resources & Environm P Nanchang 330029 Jiangxi Peoples R China;

    Chinese Acad Sci Res Ctr Ecoenvironm Sci State Key Lab Urban & Reg Ecol Beijing 100085 Peoples R China;

    Chinese Acad Sci Res Ctr Ecoenvironm Sci State Key Lab Urban & Reg Ecol Beijing 100085 Peoples R China|Chinese Acad Sci Inst Urban Environm Key Lab Urban Environm & Hlth Xiamen 361021 Peoples R China;

    Wuhan Univ Sch Resource & Environm Sci Wuhan 430079 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Antibiotic resistance genes; Mobile genetic elements; Sewage treatment plants; Industrial sewage; Municipal sewage; Bacterial community;

    机译：抗生素抗性基因;流动遗传要素;污水处理厂;工业污水;市政污水;细菌群落;

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