Vimentin inhibits α-tubulin acetylation via enhancing α-TAT1 degradation to suppress the replication of human parainfluenza virus type 3.
Vimentin inhibits α-tubulin acetylation via enhancing α-TAT1 degradation to suppress the replication of human parainfluenza virus type 3.
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Vimentin 通过增强 α-TAT1 降解抑制 α-微管蛋白乙酰化,抑制人副流感病毒 3 型复制
DOI:
10.1371/journal.ppat.1010856
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发表时间:
2022-09
期刊:
影响因子:
6.7
通讯作者:
Chen, Mingzhou
中科院分区:
文献类型:
--
作者:
Liu, Pengfei;Zhang, Shengwei;Ma, Jingyi;Jin, Dongning;Qin, Yali;Chen, Mingzhou
We previously found that, among human parainfluenza virus type 3 (HPIV3) proteins, the interaction of nucleoprotein (N) and phosphoprotein (P) provides the minimal requirement for the formation of cytoplasmic inclusion bodies (IBs), which are sites of RNA synthesis, and that acetylated α-tubulin enhances IB fusion and viral replication. In this study, using immunoprecipitation and mass spectrometry assays, we determined that vimentin (VIM) specifically interacted with the N–P complex of HPIV3, and that the head domain of VIM was responsible for this interaction, contributing to the inhibition of IB fusion and viral replication. Furthermore, we found that VIM promoted the degradation of α-tubulin acetyltransferase 1 (α-TAT1), through its head region, thereby inhibiting the acetylation of α-tubulin, IB fusion, and viral replication. In addition, we identified a 20-amino-acid peptide derived from the head region of VIM that participated in the interaction with the N–P complex and inhibited viral replication. Our findings suggest that VIM inhibits the formation of HPIV3 IBs by downregulating α-tubulin acetylation via enhancing the degradation of α-TAT1. Our work sheds light on a new mechanism by which VIM suppresses HPIV3 replication.
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DOI:
10.1073/pnas.2113874119
发表时间:
2022-02-08
影响因子:
11.1
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通讯作者:
Rahimi N