数字农科院2.0

Insertion of type O-conserved neutralizing epitope into the foot-and-mouth disease virus type Asia1 VP1 G-H loop: Effect on viral replication and neutralization phenotype

文献类型： 外文期刊

作者： Wang, Haiwei;Xue, Mei;Yang, Decheng;Zhou, Guohui;Wu, Donglai;Yu, Li;Wang, Haiwei;Wu, Donglai

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期刊名称： JOURNAL OF GENERAL VIROLOGY

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收录情况： SCI

摘要： Previously, we finely mapped the neutralizing epitopes recognized by foot-and-mouth disease virus (FMDV) type Asia1-specific mAb 3E11 and FMDV type O-specific mAb 8E8. In this study, we engineered recombinant FMDVs of the serotype Asia1 (rFMDVs) displaying the type Oneutralizing epitope recognized by the mAb 8E8. These epitope-inserted viruses were genetically stable and exhibited growth properties that were similar to those of their parental virus. Importantly, the recombinant virus rFMDV-C showed neutralization sensitivity to both FMDV type Asia1 and type O mAbs, as well as to polyclonal antibodies. These results indicated that this epitope-inserted virus has the potential to induce neutralizing antibodies against both FMDV type Asia1 and type O. Our results demonstrated that the G-H loop of FMDV type Asia1 effectively displays the protective neutralizing epitopes of other FMDV serotypes, making this an attractive approach for the design of novel FMDV vaccines.

分类号： R37

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