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. 1988 May 25;16(10):4407–4418. doi: 10.1093/nar/16.10.4407

Sites of termination of in vitro DNA synthesis on cis-diamminedichloroplatinum(II) treated single-stranded DNA: a comparison between E. coli DNA polymerase I and eucaryotic DNA polymerases alpha.

G Villani 1, U Hübscher 1, J L Butour 1
PMCID: PMC336638  PMID: 3132699

Abstract

We have compared the capacity of the large fragment of E. coli DNA polymerase I and highly purified DNA polymerases alpha from either Drosophila melanogaster embryos or calf thymus to replicate single-stranded M13 mp10 DNA treated with the antitumoral drug cis-diamminedichloroplatinum(II) (cis-DDP). We report that: a) although prokaryotic and eukaryotic enzymes have different structural complexity and dissimilar in vivo functions, their synthesis was blocked in vitro at similar sites on cis-DDP treated DNA; b) this inhibition occurred not only at d(G)n sequences, as previously reported for E. coli DNA polymerase I, (Pinto & Lippard (1985) Proc. Natl. Acad. Sci. USA, 82, 4616-4619) but also at other sequences which may represent putative cis-DDP-DNA adducts.

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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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