ANTIGENICITY OF INFECTIOUS PANCREATIC NECROSIS VIRUS VP2 SUB-VIRAL PARTICLES EXPRESSED IN YEAST
专利汇可以提供ANTIGENICITY OF INFECTIOUS PANCREATIC NECROSIS VIRUS VP2 SUB-VIRAL PARTICLES EXPRESSED IN YEAST专利检索，专利查询，专利分析的服务。并且Infectious pancreatic necrosis virus (IPNV), the etiologic agent of infectious pancreatic necrosis in salmonid fish, causes significant losses to the aquaculture industry. The gene for the viral capsid protein (VP2) was cloned into a yeast expression vector and expressed in Saccharomyces cerevisae. Expression of the capsid gene in yeast resulted in formation of approximately 20 nanometer sub-viral particles composed solely of VP2 protein. Anti-PNV antibodies were detected in rainbow trout vaccinated either by injection of purified VP2- subviral particles (rVP2-SVP) or by feeding recombinant yeast expressing rVP2-SVP. Challenge of rVP2-SVP immunized trout with a heterologous IPNV strain and subsequent viral load determination showed that both injection and orally vaccinated fish had lower DPNV loads than naive or sham-vaccinated fish. This study demonstrates the ability of rVP2-SVPs to induce a specific immune response and the ability of immunized fish to reduce the viral load after an experimentally induced IPNV infection. The invention is not limited to IPNV, and is applicable to other similar viruses for which SVPs can be made and administered to fish.，下面是ANTIGENICITY OF INFECTIOUS PANCREATIC NECROSIS VIRUS VP2 SUB-VIRAL PARTICLES EXPRESSED IN YEAST专利的具体信息内容。
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