METTL14 and FTO mediated m(6)A modification regulate PCV2 replication by affecting miR-30a-5p maturity
文献类型： 外文期刊
作者： Li, Chen 1 ; Wu, Xiaoyan 1 ; Yang, Ying 2 ; Shi, Jianli 1 ; Wang, Shuo 3 ; Li, Jiaxin 4 ; Tian, Yao 4 ; Liu, Chang 1 ; Han, Hong 1 ; Xu, Shaojian 1 ; Han, Xianjie 4 ; Ma, Yingru 4 ; Zheng, Limei 4 ; Li, Jun 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Anim Sci & Vet Med, Shandong Key Lab Anim Dis Control & Breeding, Jinan, Peoples R China
2.Shandong Normal Univ, Coll Life Sci, Jinan, Peoples R China
3.Shandong Univ, Sch Life Sci, Shandong Prov Key Lab Anim Cells & Dev Biol, Qingdao, Peoples R China
4.Qingdao Agr Univ, Coll Vet Med, Qingdao, Peoples R China
关键词： Porcine circovirus type 2; m(6)A modification; miRNA maturity; replication; >
期刊名称：VIRULENCE （ 影响因子：5.2； 五年影响因子：5.9 ）
ISSN： 2150-5594
年卷期： 2023 年 14 卷 1 期
页码：
收录情况： SCI
摘要： The epigenetic modification of the N6-methyladenosine (m(6)A) methylation plays an important role in virus infection and replication. However, its role in Porcine circovirus type 2 (PCV2) replication has not been well studied. Here, we demonstrated that m(6)A modifications are increased in PK-15 cells after PCV2 infection. In particular, PCV2 infection could increase the expression of methyltransferase METTL14 and demethylase FTO. Moreover, interfering with METTL14 accumulation reduced the m(6)A methylation level and virus reproduction, whereas depleting the FTO demethylase enhanced the m(6)A methylation level and stimulated virus reproduction. Besides, we showed that METTL14 and FTO regulate PCV2 replication by affecting the process of miRNA maturity, especially the miRNA-30a-5p. Taken together, our results demonstrated that the m(6)A modification positively affects PCV2 replication and the role of m(6)A modification in the replication mechanism of the PCV2 virus provides a new idea for the prevention and control of the PCV2.
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