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인천지역 대기 환경 중 배양성 세균의 특성

Characterization of Culturable Bacteria in the Atmospheric Environment in Incheon, Korea

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Objectives: This study aims to provide basic data regarding the bacterial total plate count in the atmosphericenvironment for related studies. Methods: Total plate count and the identification of culturable bacteria in the atmospheric environment inIncheon took place in 2015 using periodic survey. Correlationship analysis was performed between thenumber of culturable bacteria and environmental elements. In addition, an estimation of novel bacterialspecies was undertaken using the similarities and phylogenetic tree based on the 16S rRNA gene. Results: The total plate count of culturable bacteria was on average 176 CFU/㎥, and did not exceed 610CFU/㎥ in the atmospheric environment. Periodic monthly measuring of total plate count was highest inJune at 293 CFU/㎥, while the lowest was in July at 125 CFU/㎥. Furthermore, as a result of theidentification of culturable bacteria, the genera Arthrobacter and Kocuria were dominant, while novel bacterialtaxa that belong to the genera Chryseobacterium and Herbiconiux were separated. Conclusion: The total number of culturable bacteria from the atmospheric environment in Korea is on average176 CFU/㎥. In addition, the genera Arthrobacter and Kocuria dominate. The presence of novel bacterial taxaare expected in the atmospheric environment, such as belonging to the genera Chryseobacterium and Herbiconiux.

Abstract

Objectives: This study aims to provide basic data regarding the bacterial total plate count in the atmosphericenvironment for related studies. Methods: Total plate count and the identification of culturable bacteria in the atmospheric environment inIncheon took place in 2015 using periodic survey. Correlationship analysis was performed between thenumber of culturable bacteria and environmental elements. In addition, an estimation of novel bacterialspecies was undertaken using the similarities and phylogenetic tree based on the 16S rRNA gene. Results: The total plate count of culturable bacteria was on average 176 CFU/㎥, and did not exceed 610CFU/㎥ in the atmospheric environment. Periodic monthly measuring of total plate count was highest inJune at 293 CFU/㎥, while the lowest was in July at 125 CFU/㎥. Furthermore, as a result of theidentification of culturable bacteria, the genera Arthrobacter and Kocuria were dominant, while novel bacterialtaxa that belong to the genera Chryseobacterium and Herbiconiux were separated. Conclusion: The total number of culturable bacteria from the atmospheric environment in Korea is on average176 CFU/㎥. In addition, the genera Arthrobacter and Kocuria dominate. The presence of novel bacterial taxaare expected in the atmospheric environment, such as belonging to the genera Chryseobacterium and Herbiconiux.

참고문헌 (29)

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