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BACKGROUND Herpes simplex virus (HSV) possesses a number of accessory genes which are dispensable for replication in cell culture. A previous study showed that the UL21 gene product of HSV type 1 is a virion component that is not necessary for viral replication. The function of the gene product remains unknown. RESULTS We found that the HSV-1 UL21 gene(More)
The UL11 and UL51 gene products of herpes simplex virus (HSV) are membrane-associated tegument proteins that are incorporated into the HSV virion. UL11 and UL51 are conserved throughout the herpesvirus family. Both UL11 and UL51, either singly or in combination, are involved in virion envelopment and/or egress. Both proteins are fatty acylated: UL11 is both(More)
The herpes simplex virus UL56 gene product is a C-terminal-anchored, type II membrane protein of unknown function. UL56 was found to interact with KIF1A, a member of the kinesin-3 family, in a yeast two-hybrid screen and a GST pull-down assay. KIF1A mediates the transport of synaptic vesicle precursors and is essential for the function and viability of(More)
The herpes simplex virus type 1 (HSV-1) UL51 gene products are virion-associated phosphoproteins with apparent molecular masses of 27, 29, and 30 kDa in HSV-1-infected cells. In this study, we have investigated the intracellular localization and distribution of UL51 protein both in infected cells and in transfected cells expressing only UL51. We found that(More)
Herpes simplex virus (HSV) acquires envelope by budding into trans-Golgi network (TGN)-derived vesicles. Previous studies showed that the UL11 gene product enables efficient virion envelopment and export from infected cells and is incorporated into virions as tegument protein. At its N-terminus, UL11 is dually acylated by myristoic and palmitoic acids.(More)
The herpes simplex virus UL56 gene is conserved among most members of the Alphaherpesvirinae family and plays a critical role in viral pathogenicity in vivo. The HSV-2 UL56 protein (UL56) is a C-terminally anchored type II membrane protein that is predicted to be inserted into the virion envelope, leaving its N-terminal domain in the tegument. UL56(More)
The US11 gene product of herpes simplex virus is an RNA-binding protein with a C-terminal arginine-X-proline (RXP) repeating motif. We found that the RXP repeat mediates intercellular trafficking activity and accumulation in neuronal nuclei following in vivo transfection with the US11 gene, direct injection of the purified RXP-repeat fusion protein, or(More)
The UL56 gene product of herpes simplex virus (HSV) has been shown to play an important role in viral pathogenicity. However, the properties and functions of the UL56 protein are little understood. We raised rabbit polyclonal antisera specific for the UL56 protein of HSV type 2 (HSV-2) and examined its expression and properties. The gene product was(More)
Microglial response in the trigeminal ganglion of mice corneally inoculated with herpes simplex virus (HSV) was investigated. Virus-infected neurons of the trigeminal ganglion did not exhibit apoptotic signal, while those of the trigeminal sensory brainstem nucleus did. Cells expressing ionized calcium binding adapter molecule 1 (Iba1), a specific marker of(More)
Leptomycin B (LMB) is a specific inhibitor of Crm1-dependent nuclear export of proteins. The replication of herpes simplex virus (HSV) is normally highly sensitive to LMB; a resistant HSV variant, however, was isolated by serial passages of the virus. Analysis of marker transfer and viral DNA sequences revealed that a single amino acid substitution within(More)