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. 1982 Mar;41(3):1089–1094. doi: 10.1128/jvi.41.3.1089-1094.1982

Isolation and preliminary characterization of temperature-sensitive mutants of poliovirus type 1.

M J Hewlett, J H Axelrod, N Antinoro, R Feld
PMCID: PMC256848  PMID: 6284963

Abstract

We isolated six temperature-sensitive mutants of poliovirus type 1 (Mahoney) by hydroxylamine mutagenesis and replica plating at 31, 33 (permissive), and 39 degrees C (restrictive). One of these mutants, designated tsB9, was chosen for more detailed examination. tsB9 accumulated 25% of the wild-type amount of virus-specific RNA at the restrictive temperature. We found that tsB9 was not able to synthesize mature, 35S single-stranded RNA at the restrictive temperature. In spite of the absence of significant RNA synthesis, tsB9 retained the ability to inhibit host protein synthesis during infection at 39 degrees C at about the same rate as wild-type virus.

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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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