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Virology. 1996 Jun 15;220(2):495-501.

The herpes simplex virus type 1 transactivator ICPO mediates aberrant intracellular localization of the viral helicase/primase complex subunits.

Author information

1
Department of Microbiology MC3205, University of Connecticut Health Center, Farmington 06030, USA.

Abstract

The infected cell polypeptide 0 (ICP0) protein of herpes simplex virus type 1 (HSV-1) is a promiscuous transactivator. When expressed by transfection, ICP0 forms spherical structures in the nucleus. Using a double-label immunofluorescence assay, we have found that the HSV-1 helicase/primase complex subunits accumulate within ICP0 structures in cotransfected cells. This phenomenon was also observed in cells coexpressing ICP0 and UL6, a protein thought to be involved in the cleavage and/or packaging of viral genomes. ICP0 structures were found to be proteinaceous by immunoelectron microscopy. These results suggest that ICP0 may interact nonspecifically with a variety of viral proteins.

PMID:
8669135
DOI:
10.1006/viro.1996.0338
[Indexed for MEDLINE]
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