Application of CRISPR/Cas9 for Rapid Genome Editing of Pseudorabies Virus and Bovine Herpesvirus-1

文献类型： 外文期刊

第一作者： Yu, Wanqi

作者： Yu, Wanqi;Liu, Jingyi;Liu, Yingnan;Chen, Hongjun;Yu, Wanqi;Forlenza, Maria

作者机构：

关键词： herpesvirus; recombination; gene editing; CRISPR/Cas9

期刊名称：VIRUSES-BASEL （ 影响因子：4.7； 五年影响因子：4.8 ）

ISSN：

年卷期： 2024 年 16 卷 2 期

页码：

收录情况： SCI

摘要： The CRISPR/Cas9 system is widely used to manipulate viral genomes. Although Alphaherpesvirinae genomes are large and complicated to edit, in recent years several Pseudorabies virus (PRV) mutants have been successfully generated using the CRISPR/Cas9 system. However, the application of CRISPR/Cas9 editing on another member of alpha herpesviruses, bovine herpesvirus-1 (BHV-1), is rarely reported. This paper reports a rapid and straightforward approach to manipulating herpesviruses genome using CRISPR/Cas9. The recombinant plasmids contained the left and right arm of the thymidine kinase (TK) gene of PRV or of the glycoprotein I (gI) and glycoprotein E (gE) of BHV-1. Upon the cleavage of the TK or gIgE gene by Cas9 protein, this was replaced by the enhanced green fluorescence protein (eGFP) by homologous recombination. With this approach, we generated recombinant TK-/eGFP+ PRV and gIgE-/eGFP+ BHV-1 mutants and then proceeded to characterize their biological activities in vitro and in vivo. In conclusion, we showed that alpha herpesvirus, including PRV and BHV-1, can be rapidly edited using the CRISPR/Cas9 approach paving the way to the development of animal herpesvirus vaccines.

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