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Updated: Mar 26, 2026

Temporal Analysis of the Nuclear-to-cytoplasmic Translocation of a Herpes Simplex Virus 1 Protein by Immunofluorescent Confocal Microscopy
Published on: November 4, 2018
Characterization of the nuclear import mechanisms of HSV-1 UL31
Abstract:
As an important protein, UL31 has been demonstrated to play multiple roles in herpes simplex virus 1 (HSV-1) replication. Previous studies showed that UL31 predominantly locates in the nucleus in chemical fixed cells and live cells, however, the determining mechanisms for its nuclear translocation is not clear. In the present study, by utilizing live cells fluorescent microscopy and co-immunoprecipitation assays, the nuclear import of UL31 was characterized to be dependent on Ran-, importin α1- and transportin-1-mediated pathway. Therefore, these results will promote the understanding of UL31-mediated biological functions in HSV-1 infection cycle.
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