Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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Surveillance of viable Acanthamoeba spp. and Naegleria fowleri in major water sources for tap water in Korea

한국 주요 상수원수에서의 가시아메바와 파울러자유아메바 조사

  • 김민정 (한국수자원공사 수질연구센터) ;
  • 이규철 (한국수자원공사 수질연구센터) ;
  • 김건우 (한국수자원공사 수질연구센터) ;
  • 이현지 (한국수자원공사 수질연구센터) ;
  • 김민영 (한국수자원공사 수질연구센터) ;
  • 서대근 (한국수자원공사 수돗물품질부) ;
  • 이정엽 (한국수자원공사 수질연구센터) ;
  • 조영철 (충북대학교 환경공학과)
  • Received : 2018.06.27
  • Accepted : 2018.07.06
  • Published : 2018.09.30
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Abstract

The pathogenic free-living amoebas (FLAs), Acanthamoeba spp. and Naegleria fowleri, can cause fatal infections, including amoebic encephalitis. They are ubiquitously distributed in nature, including in diverse bodies of water. In order to survey Acanthamoeba spp. and N. fowleri in source water in Korea, we used culture-based real-time PCR to detect viable FLAs in 52 source water samples collected between July 2017 and December 2017. Acanthamoeba spp. and N. fowleri were detected in 42 samples (80.8%) and 6 samples (11.5%), respectively. Acanthamoeba spp. were detected at approximately the same frequency in all seasons, but N. fowleri was mainly detected in summer and autumn, with no N. fowleri detected in winter. These results demonstrate that these pathogenic FLAs, especially N. fowleri, which has caused deaths in the United States and China, are widely distributed in the Korean aquatic environment.

자유생활아메바인 가시아메바(Acanthamoeba spp.)와 파울러자유아메바(Naegleria fowleri)는 아메바성 뇌염 등 치명적인 질병을 일으키며, 물을 포함한 자연 환경에 널리 분포한다. 가시아메바와 파울러자유아메바가 한국의 주요 상수원수에 존재하는지 알아보기 위해 배양법에 기초한 실시간 중합효소연쇄반응법을 이용하여 2017년 7월부터 12월 사이에 한국의 52개 주요 상수원수를 조사하였다. 가시아메바와 파울러자유아메바가 각각 42개 시료(80.8%)와 6개 시료(11.5%)에서 검출되었다. 가시아메바의 경우 계절과 상관없이 고른 검출율을 보였으나, 파울러자유아메바는 주로 여름과 가을에 검출되었으며 겨울에는 검출되지 않았다. 이상의 결과는 이러한 자유생활아메바가 한국의 상수 원수에도 고루 존재한다는 것을 의미한다.

Keywords

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