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Journal of Virology, August 2006, p. 7756-7759, Vol. 80, No. 15
0022-538X/06/$08.00+0     doi:10.1128/JVI.00587-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Herpes Simplex Virus 1 Precludes Replenishment of the Short-Lived Receptor of Tumor Necrosis Factor Alpha by Virion Host Shutoff-Dependent Degradation of Its mRNA

Li Liang and Bernard Roizman*

Marjorie B. Kovler Viral Oncology Laboratories, The University of Chicago, 910 East 58th Street, Chicago, Illinois 60637

Received 23 March 2006/ Accepted 16 May 2006

Cell function is tightly regulated by surface receptors. Earlier reports showed that herpes simplex virus 1 regulates by diverse mechanisms the presentation of antigenic peptides, downregulates the signaling pathways associated with receptor tyrosine kinases, and posttranslationally modifies members of the Src family of protein kinases. Here we report that the receptor for tumor necrosis factor alpha (TNF-R1) rapidly disappears from both the cell surface and total cell lysates in cells infected with wild-type virus or a variety of mutants but not in cells infected with the mutant {Delta}UL41, which lacks the UL41 gene, the virion host shutoff gene. The half-life of TNF-R1 appears to be less than 30 min in both mock-infected and infected cells. The disappearance of TNF-R1 correlates with the disappearance of cytoplasmic TNF-R1 mRNA in wild-type-virus-infected cells. The results suggest that by degrading the TNFR1 mRNA, the virus precludes the replenishment of naturally decaying TNF-R1.

* Corresponding author. Mailing address: Marjorie B. Kovler Viral Oncology Laboratories, The University of Chicago, 910 East 58th St., Chicago, IL 60637. Phone: (773) 702-1898. Fax: (773) 702-1631. E-mail: bernard.roizman{at}bsd.uchicago.edu.

Journal of Virology, August 2006, p. 7756-7759, Vol. 80, No. 15
0022-538X/06/$08.00+0     doi:10.1128/JVI.00587-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

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