A metagenomic-based method to study hospital air dust resistome

© 2020 Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Chemical engineering journal (Lausanne, Switzerland : 1996). - 1999. - 406(2021) vom: 15. Feb., Seite 126854
1. Verfasser: Li, Xiang (VerfasserIn)
Weitere Verfasser: Wu, Ziqi, Dang, Chenyuan, Zhang, Miao, Zhao, Bixi, Cheng, Zhanwen, Chen, Liming, Zhong, Zhenfeng, Ye, Yuhui, Xia, Yu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Chemical engineering journal (Lausanne, Switzerland : 1996)
Schlagworte:Journal Article Air dust Antibiotic resistance genes Metagenomic-based method Plasmid-mediated ARG transfer Resistome
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520 |a As a symbol of the defense mechanisms that bacteria have evolved over time, the genes that make bacteria resist antibiotics are overwhelmingly present in the environment. Currently, bacterial antibiotic resistance genes (ARGs) in the air are a serious concern. Previous studies have identified bacterial communities and summarized putative routes of transmissions for some dominant hospital-associated pathogens from hospital indoor samples. However, little is known about the possible indoor air ARG transportation. In this study, we mainly surveyed air-conditioner air dust samples under different airflow conditions and analyzed these samples using a metagenomic-based method. The results show air dust samples exhibited a complex resistome, and the average concentration is 0.00042 copies/16S rRNA gene, which is comparable to some other environments. The hospital air-conditioners can form resistome over time and accumulate pathogens. In addition, our results indicate that the Outpatient hall is one of the main ARG transmission sources, which can distribute ARGs to other departments (explains >80% resistome). We believe that the management should focus on ARG carrier genera such as Staphylococcus, Micrococcus, Streptococcus, and Enterococcus in this hospital and our novel evidence-based network strategy proves that plasmid-mediated ARG transfer can occur frequently. Overall, these results provide insights into the characteristics of air dust resistome and possible route for how ARGs are spread in air 
650 4 |a Journal Article 
650 4 |a Air dust 
650 4 |a Antibiotic resistance genes 
650 4 |a Metagenomic-based method 
650 4 |a Plasmid-mediated ARG transfer 
650 4 |a Resistome 
700 1 |a Wu, Ziqi  |e verfasserin  |4 aut 
700 1 |a Dang, Chenyuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Miao  |e verfasserin  |4 aut 
700 1 |a Zhao, Bixi  |e verfasserin  |4 aut 
700 1 |a Cheng, Zhanwen  |e verfasserin  |4 aut 
700 1 |a Chen, Liming  |e verfasserin  |4 aut 
700 1 |a Zhong, Zhenfeng  |e verfasserin  |4 aut 
700 1 |a Ye, Yuhui  |e verfasserin  |4 aut 
700 1 |a Xia, Yu  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Chemical engineering journal (Lausanne, Switzerland : 1996)  |d 1999  |g 406(2021) vom: 15. Feb., Seite 126854  |w (DE-627)NLM098273531  |x 1385-8947  |7 nnas 
773 1 8 |g volume:406  |g year:2021  |g day:15  |g month:02  |g pages:126854 
856 4 0 |u http://dx.doi.org/10.1016/j.cej.2020.126854  |3 Volltext 
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