Control of DNA Replication and Cell Proliferation in Eukaryotes by Aphidicolin
Open Access
- 1 February 1984
- journal article
- research article
- Published by SAGE Publications in Toxicologic Pathology
- Vol. 12 (2) , 143-148
- https://doi.org/10.1177/019262338401200205
Abstract
The mycotoxin aphidicolin specifically inhibits nuclear DNA synthesis in eukaryotic cells by intereacting with the replicative DNA polymerase a. The drug does not bind directly to DNA nor does it interfere with RNA, protein and nucleic acid precursor synthesis. Aphidicolin offers a new tool for analyzing the mechanism of DNA replication and repair in eukaryotes and for studying the role of eukaryotic DNA polymerases. The drug might also be valuable therapeutically for controlling excessive cell proliferation without adverse effects upon non-multiplying cells. We describe here how to synchronize DNA synthesis in human cells by a double block with aphidicolin and the properties of two human cell lines resistant to the drug.Keywords
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