WSSV rVP26およびrVP28の大腸菌における発現条件とクルマエビにおける経口ワクチン最小有効投与量

DOI 日本農学文献記事索引 Web Site 参考文献45件
  • Satoh Jun
    Aquatic Animal Health Division, National Research Institute of Aquaculture, Fisheries Research Agency
  • Kim Hyoung Jun
    Incheon Branch Office, National Fisheries Production Inspection Service
  • Matsui Takanori
    Fisheries Research Division, Oita Prefectural Agriculture, Forestry and Fisheries Research Center
  • Nishizawa Toyohiko
    Department of Aqualife Medicine, Chonnam National University

書誌事項

タイトル別名
  • Optimization of WSSV rVP Expression in E. coli Cells and Minimum Dose of rVPs for Oral Vaccination in Kuruma Shrimp

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抄録

The optimum conditions for the expression of WSSV (= PRDV) rVP26 and rVP28 in E. coli cells were investigated, especially the IPTG concentration (0.001-1.0 mM) and inducement temperatures (25°C and 37°C). For both rVP26 and rVP28, the strongest intensity of expression was observed in medium containing 0.01 mM IPTG at 37°C. The growth of the transformed bacteria expressing rVP26 or rVP28 in media containing 0.01 mM IPTG was the almost same as that in medium without IPTG, but clearly delayed than that in the medium containing 1.0 mM IPTG. The productivity was increased 9-fold in rVP26 and 6-fold in rVP28 when the IPTG concentration was reduced from 1.0 mM to 0.01 mM. Next, we investigated the minimum doses of rVPs required to induce phylaxis of kuruma shrimp Penaeus japonicus against WSD (= PAV) by an experimental challenge. The results show that at least 10 μg/g shrimp/day of rVPs should be orally administered to kuruma shrimp for 15 days in order to induce effective phylaxis.

収録刊行物

  • 魚病研究

    魚病研究 45 (4), 169-174, 2010

    日本魚病学会

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