Behavior of plasmid-mediated Colistin resistance gene in urban Water environment

Behavior of plasmid-mediated Colistin resistance gene in urban Water environment. The comparable levels of mcr-1 in urban sewage in Vietnam and Japan showed the prevalence of the transmissible colistin resistance gene. Domestic wastewater is thus considered an important monitoring target for mc...

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Bibliographic Details
Main Author: Vu, Thi My Hanh
Other Authors: Kasuga, Ikuro
Format: Theses and Dissertations
Language:English
Published: 2020
Subjects:
Online Access:http://repository.vnu.edu.vn/handle/VNU_123/99868
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Institution: Vietnam National University, Hanoi
Language: English
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Summary:Behavior of plasmid-mediated Colistin resistance gene in urban Water environment. The comparable levels of mcr-1 in urban sewage in Vietnam and Japan showed the prevalence of the transmissible colistin resistance gene. Domestic wastewater is thus considered an important monitoring target for mcr-1 in urban cities. The presence of mcr-1 is significantly correlated with 16S rRNA genes, blaNDM-1 and crAssphage,suggesting the co-occurrence of these genes in polluted water samples. Whereas wastewater treatment could reduce mcr-1 copy numbers, final effluents after chlorination still contained mcr-1. In addition to conventional indices of total coliform and E. coli, it is necessary to control mcr-1 released into aquatic environments from wastewater treatment plants.