Integrator Complex Subunit 3 Knockdown Has Minimal Effect on Lytic Herpes Simplex Virus Type-1 Infection in Fibroblast Cells.

Proteomic analysis of viral and cellular proteins that copurify with the herpes simplex virus type-1 (HSV-1) genome revealed that the cellular Integrator complex associates with viral DNA throughout infection. The Integrator complex plays a key role in the regulation of transcription of cellular coding and non-coding RNAs. We therefore predicted that it may regulate transcription of viral genes. Here, we demonstrate that knockdown of the Integrator complex subunit, Ints3, has minimal effect on HSV-1 infection. Despite reducing viral yield during low multiplicity infection, Ints3 knockdown had no effect on viral DNA replication, mRNA expression, or yield during high multiplicity infection.

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The authors declare that there are no conflicts of interest present.