Critical role for ribonucleoside-diphosphate reductase subunit M2 in ALV-J-induced activation of Wnt/β-catenin signaling via interaction with P27
文献类型： 外文期刊
作者： Tang, Shuang 1 ; Leng, Mei 1 ; Tan, Chen 1 ; Zhu, Lin 1 ; Pang, Yanling 1 ; Zhang, Xinheng 1 ; Chang, Yung-Fu 2 ; Lin, Wencheng 1 ;
作者机构： 1.South China Agr Univ, Coll Anim Sci, Guangdong Prov Anim Virus Vector Vaccine Engn Tech, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Guangzhou, Guangdong, Peoples R China
2.Cornell Univ, Coll Vet Med, Dept Populat Med & Diagnost Sci, Ithaca, NY USA
关键词： ALV-J; RRM2; Wnt/beta-catenin signaling; replication
期刊名称：JOURNAL OF VIROLOGY （ 影响因子：5.4； 五年影响因子：4.9 ）
ISSN： 0022-538X
年卷期： 2023 年 97 卷 8 期
页码：
收录情况： SCI
摘要： Avian leukemia virus subgroup J (ALV-J) causes various diseases associated with tumor formation and decreased fertility and induced immunosuppressive disease, resulting in significant economic losses in the poultry industry globally. Virus usually exploits the host cellular machinery for their replication. Although there are increasing evidences for the cellular proteins involving viral replication, the interaction between ALV-J and host proteins leading to the pivotal steps of viral life cycle are still unclear. Here, we reported that ribonucleoside-diphosphate reductase subunit M2 (RRM2) plays a critical role during ALV-J infection by interacting with capsid protein P27 and activating Wnt/beta-catenin signaling. We found that the expression of RRM2 is effectively increased during ALV-J infection, and that RRM2 facilitates ALV-J replication by interacting with viral capsid protein P27. Furthermore, ALV-J P27 activated Wnt/beta-catenin signaling by promoting beta-catenin entry into the nucleus, and RRM2 activated Wnt/beta-catenin signaling by enhancing its phosphorylation at Ser18 during ALV-J infection. These data suggest that the upregulation of RRM2 expression by ALV-J infection favors viral replication in host cells via activating Wnt/beta-catenin signaling. IMPORTANCE Our results revealed a novel mechanism by which RRM2 facilitates ALV-J growth. That is, the upregulation of RRM2 expression by ALV-J infection favors viral replication by interacting with capsid protein P27 and activating Wnt/beta-catenin pathway in host cells. Furthermore, the phosphorylation of serine at position 18 of RRM2 was verified to be the important factor regulating the activation of Wnt/beta-catenin signaling. This study provides insights for further studies of the molecular mechanism of ALV-J infection.
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