Induction of endoreduplication in Chinese hamsters V79 cells by cytosine arabinoside

To investigate the association between incorporation of 1-f0-D-arabinofuranosylcytosine (ara-C) into herpes simplex virus type 1 (HSV-1) DNA and mutagenesis at selected genetic loci, we grew virus in the presence or absence of ara-C and compared the mutation frequencies. Both the forward mutation frequency of HSV-1 (KOS) to the tk-phenotype and the reversion frequency of a temperature-sensitive mutant to the nontemperature-sensitive (ts+) phenotype were significantly increased following growth in ara-C. When the same viruses were grown in an inhibitor of the HSV-1 DNA polymerase that is not incorporated into DNA, no significant increase in the frequency of tk-or ts+ particles was observed. Furthermore, HSV-1 araAr, a mutant resistant to ara-C on the basis of reduced incorporation of the analog into viral DNA, did not demonstrate an increase in the number of tk-particles following growth in ara-C. These results suggest that mutagenesis of HSV-1 following growth in ara-C correlates with incorporation of the nucleoside analog into viral DNA.

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Incorporation of 1-beta-D-arabinofuranosylcytosine into DNA and mutagenesis of herpes simplex virus type 1

Bubley¹,

Crumpacker²,

Schnipper³

1986

Antimicrob Agents Chemother

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Induction of endoreduplication in Chinese hamsters V79 cells by cytosine arabinoside

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References 19 publications

Incorporation of 1-beta-D-arabinofuranosylcytosine into DNA and mutagenesis of herpes simplex virus type 1

Incorporation of 1-beta-D-arabinofuranosylcytosine into DNA and mutagenesis of herpes simplex virus type 1

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