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DOI10.1016/j.scitotenv.2022.154980
Effect of Indian monsoon on the glacial airborne bacteria over the Tibetan Plateau
Qi, Jing; Ji, Mukan; Wang, Wenqiang; Zhang, Zhihao; Liu, Keshao; Huang, Zhongwei; Liu, Yongqin
通讯作者Liu, YQ (通讯作者)
发表日期2022
ISSN0048-9697
EISSN1879-1026
卷号831
英文摘要The glacier of the Tibetan Plateau (TP) is influenced by the Indian monsoon and continental westerlies. Wind flow can carry a variety of bacteria and disperse across the TP. Once these bacteria are colonized to the glacier surface, they could affect the biogeochemical cycle of the glacial ecosystems. However, very few studies have focused on the relationships between these airborne bacteria and atmospheric circulation over glaciers of the TP. Here we studied the diversity, taxonomic composition, and community structure of airborne bacteria on six TP glaciers using 16S rRNA gene sequencing. The results revealed an increase in the airborne bacterial diversity over the glaciers under the effect of the Indian monsoon. Airborne bacteria were dominated by Proteobacteria, Firmicutes, Bacteroidetes, and Actinobacteria, while relative abundances of Bacteroidetes and Firmicutes were significantly higher under the influence of the Indian monsoon in the southern and central of the TP, respectively. Moreover, significantly different airborne bacterial community structures were observed over glaciers under the influence of the Indian monsoon, which could be explained by the increased community stochasticity. In addition, the Indian monsoon increases the diversity and relative abundance of potential pathogens, which includes the most notorious bacteria such as Pseudomonas fluorescens, Staphylococcus aureus, and Clostridium butyricum. Our results revealed for the first time that atmospheric circulation influences the composition of airborne bacteria over the glaciers on the TP, this may provide critical insights into the distinct microbial community structure and function in glaciers across the TP.
关键词MICROBIAL COMMUNITIESWASTE-WATERASIAN DUSTSP NOV.FLAVOBACTERIUMVARIABILITYBIOAEROSOLSATMOSPHEREDEPOSITIONTRANSPORT
英文关键词Airborne bacteria; Indian monsoon; Westerly; Community assembly processes; Glaciers on Tibetan Plateau
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000793520000005
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/260558
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GB/T 7714
Qi, Jing,Ji, Mukan,Wang, Wenqiang,et al. Effect of Indian monsoon on the glacial airborne bacteria over the Tibetan Plateau[J]. 中国科学院青藏高原研究所,2022,831.
APA Qi, Jing.,Ji, Mukan.,Wang, Wenqiang.,Zhang, Zhihao.,Liu, Keshao.,...&Liu, Yongqin.(2022).Effect of Indian monsoon on the glacial airborne bacteria over the Tibetan Plateau.SCIENCE OF THE TOTAL ENVIRONMENT,831.
MLA Qi, Jing,et al."Effect of Indian monsoon on the glacial airborne bacteria over the Tibetan Plateau".SCIENCE OF THE TOTAL ENVIRONMENT 831(2022).
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