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. 1992 Jul;66(7):4576–4579. doi: 10.1128/jvi.66.7.4576-4579.1992

Simian virus 40 large T-antigen function is required for induction of tetraploid DNA content during lytic infection.

T D Friedrich 1, J Laffin 1, J M Lehman 1
PMCID: PMC241271  PMID: 1318419

Abstract

Infection of quiescent CV-1 cells with simian virus 40 mutant tsA30 at 37 degrees C resulted in the induction of two rounds of cellular DNA synthesis in T-antigen-positive cells, as previously described for wild-type simian virus 40. Following infection with tsA30 at 40.5 degrees C, T-antigen-positive cells were induced into S phase and reached a diploid G2 DNA content; however, a second S phase was not initiated. The failure of tsA30-infected CV-1 cells to enter tetraploid S phase at 40.5 degrees C identifies a T-antigen function, distinct from T-antigen functions responsible for stimulation of cell DNA synthesis, which is required for initiation of a second round of DNA synthesis without mitosis.

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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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