城市地铁微生物群落的特征:室内环境质量和公共卫生的内涵

IF 2.9 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Yongping Liu, Lijun Zhang, Duo Wang, Yewen Shi, Ling Tong, Feier Chen, Xiaojing Li, Chunyang Dong, Jianghua Zhang
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引用次数: 0

摘要

元基因组学是一种新型基因组学工具,用于准确研究生态环境(包括大规模运输系统)中微生物群落的组成。尽管这些场所作为暴露源具有潜在的重要意义,但这些建筑环境中的病原微生物群仍未得到研究。本研究利用高通量测序技术鉴定了春夏季从上海大容量运输系统(MTS)中获得的微生物群。利用元基因组学技术分析了各种微生物群,特别是病原体,以及多样性和环境变量的映射模型。结果表明,在春夏季分析的 108 份气溶胶样本中,细菌占分类基因的 95.26%,其余 4.73%为真核生物、病毒和古细菌。我们成功鉴定了 86 种符合国家微生物数据中心病原微生物清单的微生物,发现了不同物种的独特性,这些物种在不同季节都有潜在的健康影响。此外,微生物群的分布和多样性还受到温度、湿度、季节和时间的显著影响。研究结果为调查和评估潜在的公共卫生风险建立了一个框架,为与这些建筑环境相关的生物安全问题提供了早期预警。研究结果还提供了一个全面、公正的视角,让人们了解城市中微生物群落和潜在病原体的特点。环境和公共卫生专家会发现,对气溶胶样本中发现的病原微生物群的调查很有说服力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Characterization of microbial communities in urban subway: connotation for indoor environment quality and public health

Characterization of microbial communities in urban subway: connotation for indoor environment quality and public health

Metagenomics is a novel genomic tool employed to accurately study the composition of microbial communities in their ecological environments, including mass transport systems. Despite the potential significance of these sites as sources of exposure, the pathogenic microbiomes in these constructed settings remain unexplored. In this study, high-throughput sequencing was utilized to identify the microbiota obtained from the Metropolitan Transport of Shanghai (MTS) during the spring and summer. A diverse range of microbiota, especially pathogens, and models for mapping diversity and environmental variables were analyzed using the metagenomic techniques. The results indicate that bacteria accounted for 95.26% of the categorized genes in the 108 aerosol samples analyzed during the spring and summer, with the remaining 4.73% attributed to eukaryotes, viruses, and archaea. We successfully identified 86 microorganisms that align with the National Microbiology Data Center's List of Pathogenic Microorganisms, uncovering unique characteristics of various species with potential health implications throughout across seasons. Additionally, the distribution and diversity of the microbiota were significantly influenced by temperature, humidity, season, and time of day. The study's findings establish a framework for investigating and evaluating potential public health risks, offering early warning of biosecurity concerns related to these built environments. They also provide a comprehensive and unbiased perspective on the characteristics of microbial communities and potential pathogens in urban metros. Environmental and public health experts will find this investigation into the pathogenic microbiomes found in aerosol samples compelling.

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来源期刊
Air Quality Atmosphere and Health
Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-
CiteScore
8.80
自引率
2.00%
发文量
146
审稿时长
>12 weeks
期刊介绍: Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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