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Open AccessArticle

Community Structure and Influencing Factors of Airborne Microbial Aerosols over Three Chinese Cities with Contrasting Social-Economic Levels

by Ying Rao 1,2,3,*,†, Heyang Li 2,4,*,†, Mingxia Chen 5, Kan Huang 1,6,7,*, Jia Chen 1, Jian Xu 1 and Guoshun Zhuang 1,*
1
Center for Atmospheric Chemistry Study, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP3), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
2
Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
3
Clinic of Minnan Normal University, Zhangzhou 363000, China
4
Fujian Provincial Key Laboratory of Marine Ecological Conservation and Restoration, Xiamen 361005, China
5
Department of Biological technology and Engineering, HuaQiao University, Xiamen 361021, China
6
Institute of Eco-Chongming (IEC), Shanghai 202162, China
7
Institute of Atmospheric Sciences, Fudan University, Shanghai 200433, China
*
Authors to whom correspondence should be addressed.
Ying Rao and Heyang Li contributed equally to this work.
Atmosphere 2020, 11(4), 317; https://doi.org/10.3390/atmos11040317
Received: 6 February 2020 / Revised: 10 March 2020 / Accepted: 11 March 2020 / Published: 25 March 2020
(This article belongs to the Section Aerosols)
As an important part of atmospheric aerosol, airborne bacteria have major impacts on human health. However, variations of airborne community structure due to human-induced activities and their possible impact on human health have not been well understood. In this study, we sampled atmospheric microbial aerosols in three Chinese cities (Shanghai, Xiamen, and Zhangzhou) with contrasting social-economic levels and analyzed the bacterial composition using high-throughput sequencing methods. A high similarity of the predominant phyla was observed in three cities but the relative abundances were quite different. At the genus level, the most dominant genus in Shanghai and Xiamen was Deinococcus while the most dominant genus in Zhangzhou was Clostridium. The different characteristics of airborne bacterial in the three cities above may be ascribed to the environmental variables affected by human over-activities such as the vehicle exhausts and coal-burning emissions in Shanghai, the tourist aggregation and construction works in Xiamen, the extensive uses of chemical fertilizers, and agricultural activities in Zhangzhou. The variation of the bacterial community and the pathogenic bacteria detected in three cities would have a potential threat to human health
Keywords: atmospheric microbial aerosol; bacterial community structure; human activities; health effect atmospheric microbial aerosol; bacterial community structure; human activities; health effect
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MDPI and ACS Style

Rao, Y.; Li, H.; Chen, M.; Huang, K.; Chen, J.; Xu, J.; Zhuang, G. Community Structure and Influencing Factors of Airborne Microbial Aerosols over Three Chinese Cities with Contrasting Social-Economic Levels. Atmosphere 2020, 11, 317.

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