DnaJA1/Hsp40 Is Co-Opted by Influenza A Virus To Enhance Its Viral RNA Polymerase Activity

Abstract excerpt

UNLABELLED: The RNA-dependent RNA polymerase (RdRp) of influenza A virus is a heterotrimeric complex composed of the PB1, PB2, and PA subunits. The interplay between host factors and the three subunits of the RdRp is critical to enable viral RNA synthesis to occur in the nuclei of infected cells. In this study, we newly identified host factor DnaJA1, a member of the type I DnaJ/Hsp40 family, acting as a positive...

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