数字农科院2.0

A rapid and versatile reverse genetic approach and visualization animal models for emerging zoonotic pseudorabies virus

文献类型： 外文期刊

作者： Yu Zhang;Xiangtong Li;Juan Zhang;Yueyue Duan;Peibin Chen;Lei Shi;Cong Yuan;Liyan Cao;Maowen Sun;Yating Wang;Xiangyu Kong;Haixue Zheng;Qi Wang

作者机构：

期刊名称： Antiviral Research

ISSN： 0166-3542

年卷期： 2024 年 232 卷

页码：

收录情况： SCIE（2024版）

摘要： Pseudorabies virus (PRV), a member of the Alphaherpesvirinae subfamily and a causative pathogen of Aujeszky's disease, has a broad host range including domestic and wild animals. PRV has been reported as a causative agent in patients with acute encephalitis in 2021, which suggests PRV might be a novel animal-origin virus in terms of zoonotic spillover and spread potential. To manage current PRV epidemics in pigs and prepare for future pandemics in other species including humans. Fundamental techniques essential for procuring such knowledge on prevention and therapy of PRV. Here, PRV CD22 strain was isolated and phylogenetic analysis showed that PRV CD22 belongs to the current epidemic strains in China. PRV CD22 was highly lethal to mice and piglets in vivo. Moreover, a rapid and efficient system to generate recombinant PRV was constructed based on PRV CD22 genomic DNA fosmid library. Using this system, a recombinant PRV strain expressing engineered labeling protein was rescued for visualization of viral infection in mouse model. Our study allows the generation of PRV that can be used for downstream treatment analyses. Once experimental or surveillance samples are obtained, PRV can be generated and treated efficiently based on our study.

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