Influenza A virus NS1 targets the ubiquitin ligase TRIM25 to evade recognition by the host viral RNA sensor RIG-I.
Influenza A virus NS1 targets the ubiquitin ligase TRIM25 to evade recognition by the host viral RNA sensor RIG-I.
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DOI:
10.1016/j.chom.2009.04.006
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发表时间:
2009-05-08
影响因子:
30.3
通讯作者:
García-Sastre A
中科院分区:
文献类型:
--
作者:
Gack MU;Albrecht RA;Urano T;Inn KS;Huang IC;Carnero E;Farzan M;Inoue S;Jung JU;García-Sastre A
TRIM25 mediates Lys 63-linked ubiquitination of the N-terminal CARDs of the viral RNA sensor RIG-I, leading to type I interferon (IFN) production. Here, we report that the influenza A virus non-structural protein 1 (NS1) specifically inhibits TRIM25-mediated RIG-I CARD ubiquitination, thereby suppressing RIG-I signal transduction. A novel domain in NS1 comprising E96/E97 residues mediates its interaction with the coiled-coil domain of TRIM25, thus blocking TRIM25 multimerization and RIG-I CARD ubiquitination. Furthermore, a recombinant influenza A virus expressing an E96A/E97A NS1 mutant is defective in blocking TRIM25-mediated anti-viral IFN response and loses virulence in mice. Our findings reveal a novel mechanism of influenza virus to inhibit host IFN response and also emphasize the vital role of TRIM25 in modulating viral infections.
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影响因子:
3.7
作者:
Haller O;Kochs G;Weber F
通讯作者:
Weber F
影响因子:
30.5
作者:
Kawai, T;Takahashi, K;Akira, S
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Akira, S
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Donelan, NR;Basler, CF;García-Sastre, A
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García-Sastre, A
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5.4
作者:
Hoppe, A;Beech, SJ;Leppard, KN
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Leppard, KN
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5.4
作者:
Cardenas, Washington B.;Loo, Yueh-Ming;Basler, Christopher F.
通讯作者:
Basler, Christopher F.