Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Characterization of the White Spot Syndrome Baculovirus (WSBV) Infection In Fresh Shrimp, Penaeus chinensis, Cultured in Korea

한국의 양식대하에서의 흰반점증상 바이러스감염의 특징

  • Heo Moon-Soo (Faculty of Marine Science, Cheju National University)
  • Published : 2005.04.01
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Abstract

The virions of causative virus for white spot syndrome in cultured Fresh shrimp, Penaeus chinensis were rod-shaped, double envelope. An average size of the virion was 70 nm in diameter and $250\~300$ nm in length. Histopathological test of affected stomach, heart, and lymphoid organ revealed nuclear hypertrophy. Infectivity trials carried out by injection and feeding with purified virus revealed high cumulative mortality to healthy shrimp. The twenty one different protein species were detected in the analysis of virion. The length of total DNA from the purified virus particles were detected as a single band, double-stranded DNA molecule of approximately 114 kb.

대하 새우양식장의 대하에 흰반점 증상을 나타내는 원인바이러스는 막대형의 이중막을 가지고 있었으며, 전자 현미경 관찰 결과 평균 크기가 $250\~300\times70\;nm$였고, 조직학적 병변은 위상피 등에서 핵이 비대해지는 것이 관찰되었다. 공격실험에서는 건강체의 새우에 많은 누적 폐사율을 보였다. 원인 바이러스 단백질은 21개의 밴드를 보였으며, 핵산 분석 결과 total 분자량은 114 kb로 나타났다.

Keywords

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