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Airborne fungi and human exposure in different areas of composting facilities

文献类型： 外文期刊

作者： Gao, Min 1 ; Yu, Aoyuan 1 ; Chen, Mo 3 ; Qiu, Tianlei 1 ; Guo, Yajie 1 ; Sun, Xingbin 2 ; Wang, Xuming 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Agrobiotechnol Res Ctr, Beijing Key Lab Agr Genet Resources & Biotechnol, Beijing 100097, Peoples R China

2.Northeast Forestry Univ, Coll Forestry, Harbin 150040, Peoples R China

3.Ctr Environm Protect Technol Co Ltd, Beijing 101102, Peoples R China

4.Beijing Acad Agr & Forestry Sci, Beijing Agrobiotechnol Res Ctr, 9 Shuguang Middle Rd, Beijing 100097, Peoples R China

关键词： Airborne fungi; Pathogen; allergen-containing genera; Human daily intake; Different area; Composting facility

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：7.129； 五年影响因子：7.284 ）

ISSN： 0147-6513

年卷期： 2022 年 243 卷

页码：

收录情况： SCI

摘要： Airborne fungi can pose serious health concerns in humans; however, the area-specific abundance and compo-sition of airborne fungal microbiota discharged from composting facilities remain unclear. In the present study, we collected air samples from composting, packaging, office, and downwind areas of four commercial com-posting facilities. The characteristics of airborne fungi, including pathogen/allergen-containing genera, and their corresponding human exposure in different areas of composting facilities were analyzed using high-throughput sequencing and ddPCR. High fungal concentrations and richness were detected in the air of the packaging area. In all four areas, Ascomycota, Basidiomycota, and Mucoromycota were observed to be the primary fungal phyla, with Cladosporium, Alternaria, and Aspergillus as the consistently dominant fungal genera. A large number of endemic airborne fungi were found in the composting and packaging areas, which also shared the most common airborne fungi as well as pathogen/allergen-containing genera. The packaging area contributed substantially to airborne fungi in the office and downwind areas. Area-specific human exposure to broad airborne fungal com-positions was revealed, especially regarding the pathogen/allergen-containing genera. Current results provide valuable data for a comprehensive understanding of area-specific airborne fungi in composting facilities and highlight the importance of assessing the inhaled exposure to airborne fungi in evaluating their following health risks.

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