The vaccine efficacy of recombinant duck enteritis virus expressing secreted E with or without PrM proteins of duck tembusu virus
文献类型: 外文期刊
第一作者: Chen, Pucheng
作者: Chen, Pucheng;Liu, Jinxiong;Jiang, Yongping;Zhao, Yuhui;Li, Qimeng;Wu, Li;He, Xijun;Chen, Hualan
作者机构:
关键词: Recombinant DEVs;Duck tembusu virus;Vector vaccine
期刊名称:VACCINE ( 影响因子:3.641; 五年影响因子:3.816 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A newly emerged tembusu virus that causes egg-drop has been affecting ducks in China since 2010. Currently, no vaccine is available for this disease. A live attenuated duck enteritis virus (DEV; a herpesvirus) vaccine has been used routinely to control lethal DEV in ducks since the 1960s. Here, we constructed two recombinant DEVs by transfecting overlapping fosmid DNAs. One virus, rDEV-TE, expresses the truncated form of the envelope glycoprotein (TE) of duck tembusu virus (DTMUV), and the other virus, rDEV-PrM/TE, expresses both the TE and pre-membrane proteins (PrM). Animal study demonstrated that both recombinant viruses induced measurable anti-DTMUV neutralizing antibodies in ducks. After two doses of recombinant virus, rDEV-PrM/TE completely protected ducks from DTMUV challenge, whereas rDEV-TE only conferred partial protection. These results demonstrate that recombinant DEV expressing the TE and pre-membrane proteins is protective and can serve as a potential candidate vaccine to prevent DTMUV infection in ducks
分类号: R392
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