DNA replication is the target for the antibacterial effects of nonsteroidal anti-inflammatory drugs

Zhou Yin, Yao Wang, Louise R. Whittell, Slobodan Jergic, Michael Liu, Elizabeth Harry, Nicholas E. Dixon, Michael J. Kelso, Jennifer L. Beck, Aaron J. Oakley

Research output: Contribution to journalArticle

49 Scopus citations

Abstract

Evidence suggests that some nonsteroidal anti-inflammatory drugs (NSAIDs) possess antibacterial properties with an unknown mechanism. We describe the in vitro antibacterial properties of the NSAIDs carprofen, bromfenac, and vedaprofen, and show that these NSAIDs inhibit the Escherichia coli DNA polymerase III β subunit, an essential interaction hub that acts as a mobile tether on DNA for many essential partner proteins in DNA replication and repair. Crystal structures show that the three NSAIDs bind to the sliding clamp at a common binding site required for partner binding. Inhibition of interaction of the clamp loader and/or the replicative polymerase α subunit with the sliding clamp is demonstrated using an in vitro DNA replication assay. NSAIDs thus present promising lead scaffolds for novel antibacterial agents targeting the sliding clamp.

Original languageEnglish (US)
Pages (from-to)481-487
Number of pages7
JournalChemistry and Biology
Volume21
Issue number4
DOIs
StatePublished - Apr 24 2014

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ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

Cite this

Yin, Z., Wang, Y., Whittell, L. R., Jergic, S., Liu, M., Harry, E., Dixon, N. E., Kelso, M. J., Beck, J. L., & Oakley, A. J. (2014). DNA replication is the target for the antibacterial effects of nonsteroidal anti-inflammatory drugs. Chemistry and Biology, 21(4), 481-487. https://doi.org/10.1016/j.chembiol.2014.02.009