Vaccinia E5 is a major inhibitor of the DNA sensor cGAS.
Vaccinia E5 is a major inhibitor of the DNA sensor cGAS.
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DOI:
10.1038/s41467-023-38514-5
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发表时间:
2023-05-22
影响因子:
16.6
通讯作者:
Deng, Liang
中科院分区:
文献类型:
--
作者:
Yang, Ning;Wang, Yi;Dai, Peihong;Li, Tuo;Zierhut, Christian;Tan, Adrian;Zhang, Tuo;Xiang, Jenny Zhaoying;Ordureau, Alban;Funabiki, Hironori;Chen, Zhijian;Deng, Liang
The DNA sensor cyclic GMP-AMP synthase (cGAS) is critical in host antiviral immunity. Vaccinia virus (VACV) is a large cytoplasmic DNA virus that belongs to the poxvirus family. How vaccinia virus antagonizes the cGAS-mediated cytosolic DNA-sensing pathway is not well understood. In this study, we screened 80 vaccinia genes to identify potential viral inhibitors of the cGAS/Stimulator of interferon gene (STING) pathway. We discovered that vaccinia E5 is a virulence factor and a major inhibitor of cGAS. E5 is responsible for abolishing cGAMP production during vaccinia virus (Western Reserve strain) infection of dendritic cells. E5 localizes to the cytoplasm and nucleus of infected cells. Cytosolic E5 triggers ubiquitination of cGAS and proteasome-dependent degradation via interacting with cGAS. Deleting the E5R gene from the Modified vaccinia virus Ankara (MVA) genome strongly induces type I IFN production by dendritic cells (DCs) and promotes DC maturation, and thereby improves antigen-specific T cell responses. The cGAS-STING signalling pathway is critical in mediating host antiviral immunity. Here, Yang et al screen vaccinia viral genes to identify and then characterise that the viral protein E5 is a major inhibitor of cGAS by mediating cGAS ubiquitination and degradation.
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DOI:
10.1099/vir.0.052670-0
发表时间:
2013-07
期刊:
The Journal of general virology
影响因子:
--
作者:
Benfield CTO;Ren H;Lucas SJ;Bahsoun B;Smith GL
通讯作者:
Smith GL
影响因子:
5.4
作者:
BULLER, RML;CHAKRABARTI, S;MOSS, B
通讯作者:
MOSS, B
影响因子:
7.3
作者:
El-Jesr M;Teir M;Maluquer de Motes C
通讯作者:
Maluquer de Motes C
影响因子:
5.3
作者:
AHN, BY;GERSHON, PD;MOSS, B
通讯作者:
MOSS, B
DOI:
10.1126/science.abd0237
发表时间:
2020-10-23
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Kujirai T;Zierhut C;Takizawa Y;Kim R;Negishi L;Uruma N;Hirai S;Funabiki H;Kurumizaka H
通讯作者:
Kurumizaka H