Service interruption on Monday 11 July from 12:30 to 13:00: all the sites of the CCSD (HAL, EpiSciences, SciencesConf, AureHAL) will be inaccessible (network hardware connection).
Skip to Main content Skip to Navigation
Journal articles

Upstream binding factor inhibits herpes simplex virus replication.

Abstract : Herpes simplex virus 1 (HSV-1) infection induces changes to the host cell nucleus including relocalization of the cellular protein Upstream Binding Factor (UBF) from the nucleolus to viral replication compartments (VRCs). Herein, we tested the hypothesis that UBF is recruited to VRCs to promote viral DNA replication. Surprisingly, infection of UBF-depleted HeLa cells with HSV-1 or HSV-2 produced higher viral titers compared to controls. Reduced expression of UBF also led to a progressive increase in the relative amount of HSV-1 DNA versus controls, and increased levels of HSV-1 ICP27 and TK mRNA and protein, regardless of whether viral DNA replication was inhibited or not. Our results suggest that UBF can inhibit gene expression from viral DNA prior to its replication. A similar but smaller effect on viral titers was observed in human foreskin fibroblasts. This is the first report of UBF having a restrictive effect on replication of a virus.
Document type :
Journal articles
Complete list of metadata
Contributor : Michel Courcelles Connect in order to contact the contributor
Submitted on : Monday, August 8, 2016 - 4:17:37 PM
Last modification on : Monday, October 8, 2018 - 5:44:05 PM

Links full text




Gabriel Ouellet Lavallée, Angela Pearson. Upstream binding factor inhibits herpes simplex virus replication.. Virology, Elsevier, 2015, 483, pp.108-16. ⟨10.1016/j.virol.2015.04.003⟩. ⟨pasteur-01352621⟩



Record views