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Impact of climate zones and seasons on indoor airborne microbial communities: Insights from a comprehensive analysis
Science of the Total Environment ( IF 9.8 ) Pub Date : 2024-03-21 , DOI: 10.1016/j.scitotenv.2024.171879 Shengqi Wang , Xiaohong Zheng , Jin Ye , Zongke Sun , Ziguang Chen , Guoqing Cao , Yin Zhang , Fangxia Shen , Caroline X. Gao , Hua Qian
Science of the Total Environment ( IF 9.8 ) Pub Date : 2024-03-21 , DOI: 10.1016/j.scitotenv.2024.171879 Shengqi Wang , Xiaohong Zheng , Jin Ye , Zongke Sun , Ziguang Chen , Guoqing Cao , Yin Zhang , Fangxia Shen , Caroline X. Gao , Hua Qian
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Bacteria and fungi are ubiquitous throughout built environments and are suspended in the air, potentially affecting human health. However, the impacts of climate zones on the diversity, structure, and stochastic assembly of indoor airborne microbes remain unknown. This study comprehensively analyzed indoor airborne microbes across five climate zones in China during the summer and winter using high-throughput sequencing. The diversity and structure of indoor airborne communities vary across climatic zones. A random forest model was used to identify biomarkers in different climate zones. The results showed no relationship between the biomarkers and their rankings in mean relative abundance. The Sloan neutral model fitting results indicated that the impact of climate zones on the stochastic process in the assembly of indoor airborne microbes was considerably more important than that of seasons. Additionally, the influence of seasons on the diversity, structure, and stochastic assembly process of indoor airborne microbes differed among different climate zones. The diversity, structure, and stochastic assembly processes of bacteria present distinctive outcomes in climate zones and seasons compared with those of fungi. Overall, these findings indicate that customized strategies are necessary to manage indoor airborne microbial communities in each climate zone, season, and for specific microbial species.
更新日期：2024-03-21
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