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. 1977 Nov;24(2):602–608. doi: 10.1128/jvi.24.2.602-608.1977

Alterations of Neutral Glycolipids in Cells Infected with Syncytium-Producing Mutants of Herpes Simplex Virus Type 1

M A Ruhlig 1, Stanley Person 1
PMCID: PMC515971  PMID: 199742

Abstract

The isolation of syncytium-producing mutants of herpes simplex virus type 1 (KOS strain), which cause extensive cell fusion during otherwise normal infections, has been reported previously (S. Person, R. W. Knowles, G. S. Read, S. C. Warner, and V. C. Bond, J. Virol. 17:183-190, 1976). Seven of these mutants, plus two syncytial strains obtained elsewhere, were used to compare the incorporation of labeled galactose into neutral glycolipids of mock-infected, wild-type-infected, and syncytially infected human embryonic lung cells. Five predominant cellular glycolipid species were observed, denoted GL-1 through GL-5 in order of increasing oligosaccharide chain length; for example, GL-1 and GL-2 correspond to glycolipids that contain mono- and disaccharide units, respectively. Wild-type virus infection caused an increase in galactose incorporation into GL-1 and GL-2 relative to GL-3 through GL-5. For a single labeling interval from 4 to 10 h after adsorption, syncytial infections generally resulted in a relatively greater incorporation into more complex glycolipids than did wild-type infections. One mutant, syn 20, was compared with wild-type virus throughout infection by using a series of shorter labeling pulses and appeared to delay by at least 2 h the alterations observed during wild-type infections. These alterations are apparently due to defects in synthesis, since prelabeled cellular glycolipids were not differentially degraded during mock or virus infection.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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