文献类型： 外文期刊
作者： Zhu, Guibing 1 ; Wang, Xiaomin 1 ; Yang, Ting 2 ; Su, Jianqiang 3 ; Qin, Yu 1 ; Wang, Shanyun 1 ; Gillings, Michael 4 ; W 1 ;
作者机构： 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Atmospher Boundary Layer Phys & Atm, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Key Lab Urban Environm & Hlth, Inst Urban Environm, Xiamen 361021, Peoples R China
4.Macquarie Univ, Fac Sci & Engn, ARC Ctr Excellence Synthet Biol, Dept Biol Sci, Sydney, NSW 2109, Australia
5.Sun Yat Sen Univ, South China Sea Inst, Southern Marine Sci & Engn Guangdong Lab Zhuhai, Guangzhou 510006, Peoples R China
6.Westlake Univ, Environm Microbiome & Biotechnol Lab EMBLab, Sch Engn, Hangzhou 310024, Peoples R China
7.Nantong Univ, Sch Geog Sci, Nantong 226007, Peoples R China
8.Beijing Acad Agr & Forestry Sci, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China
9.Radboud Univ Nijmegen, Dept Microbiol, NL-36525 AJ Nijmegen, Netherlands
期刊名称：ISME JOURNAL （ 影响因子：10.302； 五年影响因子：12.284 ）
ISSN： 1751-7362
年卷期：
页码：
收录情况： SCI
摘要： Antibiotic-resistant pathogens pose a significant threat to human health. Several dispersal mechanisms have been described, but transport of both microbes and antibiotic resistance genes (ARGs) via atmospheric particles has received little attention as a pathway for global dissemination. These atmospheric particles can return to the Earth's surface via rain or snowfall, and thus promote long-distance spread of ARGs. However, the diversity and abundance of ARGs in fresh snow has not been studied and their potential correlation with particulate air pollution is not well explored. Here, we characterized ARGs in 44 samples of fresh snow from major cities in China, three in North America, and one in Europe, spanning a gradient from pristine to heavily anthropogenically influenced ecosystems. High-throughput qPCR analysis of ARGs and mobile genetic elements (MGEs) provided strong indications that dissemination of ARGs in fresh snow could be exacerbated by air pollution, severely increasing the health risks of both air pollution and ARGs. We showed that snowfall did effectively spread ARGs from point sources over the Earth surface. Together our findings urge for better pollution control to reduce the risk of global dissemination of antibiotic resistance genes.
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