Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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Detection of Poliovirus in Water by Cell Culture and PCR Methods

세포배양법과 PCR 방법에 의한 물에서의 폴리오 바이러스 검출

  • 조연희 (충북대학교 자연과학대학 생명과학부) ;
  • 이찬희 (충북대학교 자연과학대학 생명과학부, 충북대학교 바이오연구소)
  • Published : 2002.09.01
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Abstract

Poliovirus is a member of enterovirus which causes paralytic poliomyelitis, encephalitis and aseptic meningitis. Since poliovirus is spread by the fecal-oral route and poliovirus-contaminated water could be a potential threat for public health, detection of poliovirus in drinking water resource is important. Infectious poliovirus and poliovirus inactivated by heat or UV were used to test three detection methods such as cell culture method, reverse transcription-polymerase chain reaction (RT-PCR) and integrated cell culture (ICC)-PCR. Infectious poliovirus was detected by all three methods and ICC-PCR was the most sensitive and fast in detecting poliovirus. Inactivated polioviruses could not be detected by cell culture or ICC-PCR methods. On the other hand, heat- inactivated viruses could be detected by RT-PCR. Thus it is suggested that ICC-PCR method is the most sensitive and effective in detecting infectious polioviruses in water sample.

폴리오 바이러스는 전형적인 장관계 바이러스로 마비, 무균성 수막염, 뇌염 등을 유발한다. 폴리오 바이러스는 분변-구강 경로를 통해 전파되며, 오염된 물을 음용수로 사용할 시 공중 보건에 문제가 될 수 있으므로 먹는 물에서 폴리오 바이러스를 검출하는 것은 중요하다. 감염성이 있는 바이 러스와 불활성화(열처리와 자외선 처리)시킨 바이러스를 세포배양법, 역전사 중합효소 연쇄반응법(reverse transcription-polymerase chain reaction: RT-PCR)그리고 세포배양-중합효소 연쇄반응 통합법(integrated cell culture-PCR: ICC-PCR)으로 검출 실험을 했다. 감염성이 있는 폴리오 바이러스는 세 가지 방법으로 모두 검출이 되었으며, 이 중에서 바이러스를 검출하는데 ICC-PCR 방법이 가장 민감했다. 세포배양법은 적은 수의 바이러스를 검출하는데 약 2주의 긴 시간이 걸렸다. 열처리나 자외선 처리로 불활성화된 바이 러스는 세포배양과 ICC-PCR방법으로는 검출이 되지 않았다. 자외선 처리한 바이러스는 RT-PCR 방법으로 검출되지 않았으나 열처리한 바이러스는 검출되었다. RT-PCR 방법은 감염성 바이러스뿐 아니라 불활성화된 바이러스도 검출할 수 있으므로 감염성이 있는지 없는지를 구분할 수 없는 단점이 있다. 이와 같은 결과는 감염성 있는 바이러스를 가장 민감하고 효과적으로 검출하는 방법이 ICC-PCR 방법이라는 것을 제시하여 준다.

Keywords

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