Abstract
Aphidicolin inhibits adenovirus DNA replication in HeLa cells and in a cell-free, infected, nuclear extract in which viral DNA is elongated. The compound inhibits alpha DNA polymerase, extensively purified from HeLa cells, but has little or no effect on the beta or gamma DNA polymerases similarly purified. Aphidicolin does not affect thymidine uptake by cells nor does synthesis as it also inhibits DNA replication in uninfected cells. The inhibition by aphidicolin is reversible if the drug is removed within 18 hrs after addition to HeLa or Chinese Hamster Ovary cells but the cells are irreversibly affected if the drug remains for 48 hours.
MeSH Terms
Adenoviruses, Human/metabolism
Animals
Anti-Bacterial Agents/pharmacology
Cell Line
Cell Nucleus/metabolism
Cricetinae
DNA Replication/drug effects
DNA, Neoplasm/metabolism
DNA, Viral/biosynthesis
DNA-Directed DNA Polymerase/metabolism
Diterpenes/pharmacology
Female
HeLa Cells/drug effects,enzymology
Humans
Ovary
Thymidine/metabolism
Chemicals
Anti-Bacterial Agents
DNA, Neoplasm
DNA, Viral
Diterpenes
DNA-Directed DNA Polymerase
Thymidine
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Longiaru M
Ikeda J E
Jarkovsky Z
Horwitz S B
Horwitz M S
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