Research Progress of Porcine Reproductive and Respiratory Syndrome Virus NSP2 Protein

文献类型： 外文期刊

第一作者： Liu, Benjin

作者： Liu, Benjin;Luo, Lingzhi;Shi, Ziqi;Cui, Jin;Ju, Houbin;Yu, Lingxue;Li, Guoxin

作者机构：

关键词： PRRSV; NSP2; -2/-1 programmed ribosomal frameshifting; Interferon; autophagy; apoptosis

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

ISSN：

年卷期： 2023 年 15 卷 12 期

页码：

收录情况： SCI

摘要： Porcine reproductive and respiratory syndrome virus (PRRSV) is globally prevalent and seriously harms the economic efficiency of pig farming. Because of its immunosuppression and high incidence of mutant recombination, PRRSV poses a great challenge for disease prevention and control. Nonstructural protein 2 (NSP2) is the most variable functional protein in the PRRSV genome and can generate NSP2N and NSP2TF variants due to programmed ribosomal frameshifts. These variants are broad and complex in function and play key roles in numerous aspects of viral protein maturation, viral particle assembly, regulation of immunity, autophagy, apoptosis, cell cycle and cell morphology. In this paper, we review the structural composition, programmed ribosomal frameshift and biological properties of NSP2 to facilitate basic research on PRRSV and to provide theoretical support for disease prevention and control and therapeutic drug development.

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