Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
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Survey of Perkinsus olseni infection in Manila clam, Ruditapes philippinarum in 2009 on the west and south coast of Korea using PCR technique

PCR 기법을 이용한 2009년 우리나라 서해안과 남해안 바지락, Ruditapes philippinarum의 Perkinsus olseni 감염에 관한 보고

  • Lee, Nam-Sil (Division of Pathology, National Fisheries Research and Development Institute) ;
  • Hwang, Jee-Youn (Division of Pathology, National Fisheries Research and Development Institute) ;
  • Choi, Dong-Lim (Division of Pathology, National Fisheries Research and Development Institute) ;
  • Park, Myoung-Ae (Division of Pathology, National Fisheries Research and Development Institute)
  • 이남실 (국립수산과학원 병리연구과) ;
  • 황지연 (국립수산과학원 병리연구과) ;
  • 최동림 (국립수산과학원 병리연구과) ;
  • 박명애 (국립수산과학원 병리연구과)
  • Received : 2010.07.05
  • Accepted : 2010.08.23
  • Published : 2010.08.30
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Abstract

Prevalence of a protozoan parasite Perkinsus olseni in Manila clam Ruditapes philippinarum was surveyed from July to December 2009 on the west and south coast of Korea. P. olseni infection was diagnosed using two primer sets, P.olseni NTS Forward/P.olseni NTS Reverse set and PolsITS-140F/PolsITS-600R set in polymerase chain reaction(PCR). The results using PolsITS-140F and PolsITS-600R primer set was retained up to 60% at all stations from July to December, except for Padori. Especially, Goheung showed 100% prevalence from October to December. The results about comparison of the 4 station's DNA sequences which were analyzed from PCR products(457bp) using PolsITS-140F and PolsITS-600R primer set, there were only 2base differences at Sunjedo.

내용은 2009년 하반기, 우리나라 남해안(고흥, 나로도)과 서해안(선재도, 파도리)의 네 지점에서 시료채취 한 바지락에서의 Perkinsus olseni 감염에 대한 모니터링 결과로, 이전에 국제수역사무국(OIE)의 manual에서 지정하던 P. olseni에 대하여 특이적인 primer set으로 사용한 PCR 분석 결과와 2009년에 새로이 지정하는 P. olseni에 대하여 특이적인 primer set을 사용한 분석 결과를 비교하고, 결과를 통한 P. olseni의 검출율을 조사하였다. 특히 2009년에 새로이 지정된 PolsITS-140F와 PolsITS-600R의 primer set을 사용한 결과는 신속한 검출여부 분석에 적합한 것으로 생각되었다. P. olseni의 검출경향은 파도리에서 가장 낮았으며, 고흥에서 가장 높았다. 파도리의 7월, 8월 그리고 12월의 결과를 제외하고는 전 지점에서 7월에서 12월까지 지속적으로 높은 검출율을 나타내었다. PolsITS-140F와 PolsITS-600R의 primer set을 이용한 PCR 산물의 염기서열을 분석한 결과, 선재도의 결과에서 두 군데의 염기차이를 나타내는 것 이외에는 모두 같은 것으로 확인되었다.

Keywords

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