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. 1968 Nov;2(11):1255–1261. doi: 10.1128/jvi.2.11.1255-1261.1968

Transformation by Murine Sarcoma Virus: Fixation (Deoxyribonucleic Acid Synthesis) and Development

Yozo Nakata 1, John P Bader 1
PMCID: PMC375464  PMID: 5701824

Abstract

Transformation of rat embryo cells by murine sarcoma virus (MSV) was contingent upon synthesis of deoxyribonucleic acid (DNA) during the first 12 hr of infection. Inhibition of DNA synthesis by thymidine (20 mm) or cytosine arabinoside (0.1 mm) resulted in the protection of cells from transformation by MSV. Transient suppression of DNA synthesis prior to infection or after a 12-hr delay had little effect on subsequent transformation, emphasizing the critical time period in in which DNA synthesis was necessary for intracellular fixation of the viral genome. These results are similar to those previously described for Rous sarcoma virus. Development of transformed cells after viral fixation was shown to be influenced by cellular density. Under conditions which allowed fixation of virus in confluent cellular monolayers, less than 20% of these cells developed into transformed foci.

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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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