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. 1968 Oct;2(10):1081–1085. doi: 10.1128/jvi.2.10.1081-1085.1968

Inhibition of Arbovirus Protein Synthesis by Interferon

Robert M Friedman 1
PMCID: PMC375439  PMID: 5723711

Abstract

Infection of cells treated with guanidine and actinomycin D and then washed to remove the guanidine inhibition of virus growth had no effect on antiviral activity already established by interferon. Protein synthesis in interferon-treated cells infected under these conditions was decreased as compared to control cells similarly treated but not exposed to interferon. In these control cells, analysis by polyacrylamide gel electrophoresis indicated that six proteins were produced during the first hour after guanidine reversal. Five of these proteins have been previously identified as probably being viral in origin. In interferon-treated cells, only a single major protein was produced. Ribonucleic acid (RNA) synthesis by Semliki Forest virus during the first hour after guanidine reversal was markedly depressed by incubation at 42 C, but no inhibition of total virus protein synthesis was seen; this finding suggested that much of the virus protein produced in the first hour after guanidine reversal was carried out by input virus RNA. Interferon was fully active in cells incubated at 42 C. The results suggested that interferon inhibits the production of Semliki Forest virus proteins ordinarily produced under the direction of the virus genome.

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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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