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. 1978 May;26(2):281–290. doi: 10.1128/jvi.26.2.281-290.1978

Synthesis of viral and host DNA in isolated chromatin from herpes simplex virus-infected HeLa cells.

M Yamada, G Brun, A Weissbach
PMCID: PMC354066  PMID: 207889

Abstract

DNA synthesis in chromatin isolated from herpes simplex virus type 1-infected HeLa cells (HSV chromatin) was examined in vitro. The HSV chromatin was found to carry out an initial limited synthesis of DNA in vitro, 50 to 64 pmol of dTMP incorporated in 10(6) nuclei per 10 min, which is comparable to that found in nuclei isolated from HSV-infected cells. DNA synthesis in vitro proceeded for only 30 min, and both HSV DNA and host DNA were synthesized in significant amounts. The HSV and host DNA synthesis in isolated chromatin were inhibited to the same extent by anti-HSV antiserum or by phosphonoacetic acid. The results indicate that the HSV-induced DNA polymerase is most likely involved in the synthesis of host and HSV DNA in isolated chromatin, even though this chromatin contains small amounts of the host gamma-polymerase in addition to the HSV-induced DNA polymerase. The HSV chromatin contains no detectable levels of DNA polymerases alpha and beta, even though infected cells have normal, or increased, levels of these enzymes.

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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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