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Journals / Atmospheric Pollution Research / 2020 / Cilt: 11 - Sayı: 6

Community structure variation associated with airborne particulate matterat central south of China during hazy and nonhazy days

Runlan YU
Shuokun WANG
Xueling WU
Li SHEN
Yuandong LİU
Jiaokun Lİ
Guanzhou QİU
Weimin ZENG
Pages
162–169
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results show that the diversity of atmosphere microorganism community will increase with the increase of PM fraction and air quality index (AQI).

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The haze phenomenon in China gradually spreads from the north to the central and south areas.
📊
Key Findings & Data:The results show that the diversity of atmosphere microorganism community will increase with the increase of PM fraction and air quality index (AQI).
💡
Conclusion & Impact:These results will help us to understand the development tendency of China haze and especially the relationship between the bioaerosols community and city environment.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Özet

The haze phenomenon in China gradually spreads from the north to the central and south areas. Changsha is the representative city in the central south region of China. In this study, we investigated the microorganism community structure of the different airborne particulate matter during hazy and nonhazy days in Changsha by the high throughput sequencing technology. The results show that the diversity of atmosphere microorganism community will increase with the increase of PM fraction and air quality index (AQI). In phylum level, Firmicutes, ACTINOBACTERIA, PROTEOBACTERIA, BACTEROIDETES and CYANOBACTERIA are the dominant community members in ChangSha. In genera level, in the haze days the dominant community members were Rhodococcus (25.13%) and STAPHYLOCOCCUS (8.14%) for coarse particle (> 2.5 μm), and METHYLOBACTERIUM (25.84%) and MASSILLIA (13.14%) for fine particle (< 2.5 μm). In the nohaze days, the dominant genera were COMAMONADACEAE (35.25%) and BACILLUS (11.34%) for coarse particle, and ACINETOBACTER (62.0%) and MASSILLIA (17.62%) for fine particle. Most of these genera have the function of produce extracellular polymeric substances (EPS) and these bacteria can help microorganism growth in air. In addition, the community structure of bioaerosols in Changsha is different with other big city like Beijing and Hong Kong. BACILLUS, ACINETOBACTER and METHYLOBACTERIUM have higher proportion in Changsha. These results will help us to understand the development tendency of China haze and especially the relationship between the bioaerosols community and city environment.

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Cite This Article

YU, R., WANG, S., WU, X., SHEN, L., LİU, Y., Lİ, J., QİU, G., ZENG, W. (2020). Community structure variation associated with airborne particulate matterat central south of China during hazy and nonhazy days. Atmospheric Pollution Research, Cilt: 11 - Sayı: 6, 162–169. https://ajindex.com/articles/143947

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