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2016년 한국 경기도의 3월 황사기간 동안 부유세균 군집과 다양성에 대한 메타지노믹 분석
장준형(Jun Hyeong Jang),김지혜(Ji Hye Kim),배경선(Kyung-seon Bae),김정명(Jeong Myeong Kim),이원석(Won seok Lee),정현미(Hyen-mi Chung),박상정(Sangjung Park),서태근(Taegun Seo) 한국환경보건학회 2017 한국환경보건학회지 Vol.43 No.6
Objective: Bacterial abundance and community compositions have been examined in Asian dust events, clarifying their impacts on public health. This study aims to determine the bacterial community compositions and viable bacteria in Asian dust particles in the Asian dust or non-Asian dust event of March 2016. Methods: The dust samples were collected using the high volume air sampler or high volume cascade impactor, and bacterial 16S rRNA genes were amplified using PCR, followed by pyrosequencing. Bacterial diversity index, richness estimate and community composition in the particles were analyzed from the sequencing data using Mothur software. Results: The results showed that the diversity and richness during Asian dust events were higher than them in non-Asian dust events. The total bacterial community analysis showed that at the phylum Proteobacteria, Actinobacteria and Firmicutes were the most dominant of Asian dust events and non-Asian dust events. In addition, the bacterial colony counts were higher during Asian dust event, comparing with non-Asian dust event. Conclusions: This study showed that bacterial community and richness of Asian dust samples was more complex and higher than non-Asian dust samples in Gyeonggi-do, Korea, which could affect public health and environment. Thus, the continuous monitoring of Asian dust could be an alternative for managing airborne bacteria.