Effects of Bloom's syndrome fibroblasts on genetic recombination and mutagenesis of herpes simplex virus type 1
- 1 March 1987
- journal article
- research article
- Published by Springer Nature in Somatic Cell and Molecular Genetics
- Vol. 13 (2) , 111-117
- https://doi.org/10.1007/bf01534691
Abstract
The effects of Bloom's syndrome (BS) fibroblasts on genetic recombination and the mutation frequency of herpes simplex virus type 1 (HSV-1) was determined by employing two factor crosses of selected temperature-sensitive (ts)mutants. A significant increase in the recombination frequency (RF) was observed in seven of nine crosses when multiple BS fibroblast lines were compared to normal human fibroblasts. The RF of HSV-1 ts mutants increased following 12-O-tetradecanoylphorbol-13-acetate (TPA) treatment of normal, but not BS fibroblasts, suggesting that BS fibroblasts express higher constitutive levels of genetic recombination activity. HSV-1 ts mutants demonstrated significantly higher reversion frequencies to the nontemperature sensitive (ts+)phenotype following growth in BS rather than normal fibroblasts, indicating that exogenous viral DNA encoding many of the enzymes necessary for its own replication is affected by the mutator phenotype of BS.This publication has 28 references indexed in Scilit:
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