Characterization of a BHK(TK-) cell clone resistant to postattachment entry by herpes simplex virus types 1 and 2

Richard J. Roller, Betsy Herold

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

BHK(TK-) cells selected for resistance to polyethylene glycol-mediated fusion give rise to clones that are resistant to herpes simplex virus (HSV) infection. We have characterized one such clone, designated 95-19, and found that it is resistant to entry of HSV type 1 (HSV-1), HSV-2, and the related alphaherpesvirus pseudorabies virus (PRV). Single-step growth experiments show no detectable replication of multiple strains of HSV-1 and HSV-2 on 95- 19 cells. Three lines of evidence suggest that these cells are resistant to postattachment entry. (i) Measurements of binding of radiolabeled virus show that heparin-sensitive binding of HSV-1 and HSV-2 to 95-19 cells is identical to binding to BHK(TK-) cells, suggesting that the block to replication occurs after attachment to heparan sulfate proteoglycan. (ii) 95-19 cells exposed to HSV-1 or HSV-2 at high multiplicity show no detectable immediate- early (IE) mRNA expression. (iii) Exposure of attached virus and cells to polyethylene glycol results in partial recovery of both IE gene expression and virus yield in single-step growth. The degrees of recovery of single- step yield and IE gene expression are similar, suggesting that the only block to single-step replication is at the point of virus entry and that these cells are deficient in some cellular factor required for efficient postattachment entry of free virus. 95-19 cells are also highly resistant to entry by cell-to-cell spread, suggesting that the same cellular factor participates in both types of entry.

Original languageEnglish (US)
Pages (from-to)5805-5813
Number of pages9
JournalJournal of Virology
Volume71
Issue number8
StatePublished - Aug 1997
Externally publishedYes

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Human herpesvirus 2
Human herpesvirus 1
Human Herpesvirus 2
Human Herpesvirus 1
Clone Cells
clones
cells
viruses
Virus Internalization
Immediate-Early Genes
polyethylene glycol
Viruses
Suid Herpesvirus 1
Gene Expression
Virus Attachment
herpes simplex
gene expression
Heparan Sulfate Proteoglycans
Suid herpesvirus 1
proteoglycans

ASJC Scopus subject areas

  • Immunology

Cite this

Characterization of a BHK(TK-) cell clone resistant to postattachment entry by herpes simplex virus types 1 and 2. / Roller, Richard J.; Herold, Betsy.

In: Journal of Virology, Vol. 71, No. 8, 08.1997, p. 5805-5813.

Research output: Contribution to journalArticle

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