Development and Immunoprotection of Bacterium-like Particle Vaccine against Infectious Bronchitis in Chickens

文献类型: 外文期刊

第一作者: Zhang, Pengju

作者: Zhang, Pengju;Qiao, Haiying;Hu, Nianzhi;Li, Xintao;Wang, Weixia;Zhang, Lichun;Yang, Tiantian;Cong, Yanlong;Sun, Yixue

作者机构:

关键词: infectious bronchitis virus; S1 subunit; bacterium-like particles; immunoprotective

期刊名称:VACCINES ( 影响因子:7.8; 五年影响因子:7.4 )

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年卷期: 2023 年 11 卷 8 期

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收录情况: SCI

摘要: Infectious bronchitis (IB) is a major threat to the global poultry industry. Despite the availability of commercial vaccines, the IB epidemic has not been effectively controlled. The exploration of novel IBV vaccines may provide a new way to prevent and control IB. In this study, BLP-S1, a bacterium-like particle displaying the S1 subunit of infectious bronchitis virus (IBV), was constructed using the GEM-PA surface display system. The immunoprotective efficacy results showed that BLP-S1 can effectively induce specific IgG and sIgA immune responses, providing a protection rate of 90% against IBV infection in 14-day-old commercial chickens. These results suggest that BLP-S1 has potential for the development of novel vaccines with good immunogenicity and immunoprotection.

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