한국어병학회지 (Journal of fish pathology)

  • 제31권2호
  • /
  • Pages.101-107
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  • 2018
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  • 1226-0819(pISSN)
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  • 2233-5412(eISSN)
한국어병학회 (The Korean Society of Fish Pathology)
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국내 여윔 넙치에서 검출된 점액포자충 Parvicapsula sp.의 정량적 분석

Quantitative analysis of a myxosporean parasite, Parvicapsula sp. detected from emaciated olive flounder, Paralichthys olivaceus in Korea

  • 김승민 (주식회사 우진비앤지) ;
  • 정준범 (제주대학교 해양의생명과학부)
  • 투고 : 2018.11.05
  • 심사 : 2018.12.10
  • 발행 : 2018.12.31
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초록

여윔증상이 나타난 양식장(farm-B 및 farm-C)의 넙치 및 여윔증상이 나타나지 않은 양식장(farm-A) 넙치의 각 내부 장기(신장, 장, 비장, 뇌 및 간)를 대상으로 점액포자충 Parvicapsula sp.의 양적 분석을 real-time PCR 방법을 사용하여 각각 실시하였다. 여윔증상을 보였던 farm-C의 넙치 신장에서 가장 높은 DNA copy number ($1.7{\times}10^7copies/mg$ tissue)를 보였고, farm-B의 넙치에서는 모든 내부 장기에서 낮은 수치가 나타났으며, farm-A의 넙치에서는 모든 내부 장기에서 음성 결과를 나타내었다. 동일한 시료를 사용한 PCR 및 병리조직학적 분석에서도 real-time PCR에서의 결과와 같은 양상을 보였다.

Quantitative analysis of a myxosporean parasite, Parvicapsula sp. in internal organs (kidney, intestine, spleen, brain and liver) from non-emaciated (farm-A) or emaciated (farm-B and farm-C) olive flounder Paralichthys olivaceus were performed by real-time PCR. The highest DNA copy number ($1.7{\times}10^7copies/mg$ tissue) was detected in kidney of the emaciated olive flounder from farm-C, while the DNA copy number was below detection limit in all the organs of the olive flounder from farm-B. There was not positive result in all of organs from olive flounder in farm-A. PCR and histopathological analysis were also performed using the same specimen and showed same results as those by real-time PCR.

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