The Infected Cell Protein 0 Encoded by Bovine Herpesvirus 1 (bICP0) Associates with Interferon Regulatory Factor 7 and Consequently Inhibits Beta Interferon Promoter Activity | Zendy

Kazima Saira | Zendy; You Zhou | Zendy; Clinton Jones | Zendy

Open Access

The Infected Cell Protein 0 Encoded by Bovine Herpesvirus 1 (bICP0) Associates with Interferon Regulatory Factor 7 and Consequently Inhibits Beta Interferon Promoter Activity

Author(s) -

Kazima Saira,

You Zhou,

Clinton Jones

Publication year - 2009

Publication title -

journal of virology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.617

H-Index - 292

eISSN - 1070-6321

pISSN - 0022-538X

DOI - 10.1128/jvi.02400-08

Subject(s) - irf7 , irf3 , interferon regulatory factors , biology , transcription factor , irf1 , interferon , microbiology and biotechnology , promoter , bovine herpesvirus 1 , virology , gene , gene expression , genetics , virus , viral disease , herpesviridae

The bICP0 protein encoded by bovine herpesvirus 1 stimulates productive infection and viral gene expression but inhibits interferon (IFN)-dependent transcription. bICP0 inhibits beta IFN (IFN-beta) promoter activity and induces degradation of IFN regulatory factor 3 (IRF3). Although bICP0 inhibits the trans-activation activity of IRF7, IRF7 protein levels are not reduced. In this study, we demonstrate that bICP0 is associated with IRF7. Furthermore, bICP0 inhibits the ability of IRF7 to trans-activate the IFN-beta promoter in the absence of IRF3 expression. The interaction between bICP0 and IRF7 correlates with reduced trans-activation of the IFN-beta promoter by IRF7.

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