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. 1975 Sep;16(3):498-507.
doi: 10.1128/JVI.16.3.498-507.1975.

DNA synthesis and DNA polymerase activity of herpes simplex virus type 1 temperature-sensitive mutants

G M Aron, D J Purifoy, P A Schaffer

DNA synthesis and DNA polymerase activity of herpes simplex virus type 1 temperature-sensitive mutants

G M Aron et al. J Virol. 1975 Sep.

Abstract

Fifteen temperature-sensitive mutants of herpes simplex virus type 1 were studied with regard to the relationship between their ability to synthesize viral DNA and to induce viral DNA polymerase (DP) activity at permissive (34 C) and nonpermissive (39 C) temperatures. At 34 C, all mutants synthesized viral DNA, while at 39 C four mutants demonstrated a DNA+ phenotype, three were DNA+/-, and eight were DNA-. DNA+ mutants induced levels of DP activity similar to thhose of the wild-type virus at both temperatures, and DNA+/- mutants induced reduced levels of DP activity at 39 C but not at 34 C. Among the DNA- mutants three were DP+, two were DP+/-, and three showed reduced DP activity at 34 C with no DP activity at 39 C. DNA-, DP- mutants induced the synthesis of a temperature-sensitive DP as determined by in vivo studies.

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