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Cited by 298

The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

The mechanism of resistance to favipiravir in influenza

Open access
Goldhill, Daniel H., te Velthuis, Aartjan J. W., Fletcher, Robert A., Langat, Pinky, Zambon, Maria, Lackenby, Angie, Barclay, Wendy S.·2018·Proceedings of the National Academy of Sciences

Abstract

Favipiravir is a broad-spectrum antiviral that has shown promise in treatment of influenza virus infections. While emergence of resistance has been observed for many antiinfluenza drugs, to date, clinical trials and laboratory studies of favipiravir have not yielded resistant viruses. Here we show evolution of resistance to favipiravir in the pandemic H1N1 influenza A virus in a laboratory setting. We found that two mutations were required for robust resistance to favipiravir. We demonstrate that a K229R mutation in motif F of the PB1 subunit of the influenza virus RNA-dependent RNA polymerase (RdRP) confers resistance to favipiravir in vitro and in cell culture. This mutation has a cost to viral fitness, but fitness can be restored by a P653L mutation in the PA subunit of the polymerase. K229R also conferred favipiravir resistance to RNA polymerases of other influenza A virus strains, and its location within a highly conserved structural feature of the RdRP suggests that other RNA viruses might also acquire resistance through mutations in motif F. The mutations identified here could be used to screen influenza virus-infected patients treated with favipiravir for the emergence of resistance.

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Metadata

Authors
Goldhill, D. H., te Velthuis, A. J. W., Fletcher, R. A., Langat, P., Zambon, M., Lackenby, A., & Barclay, W. S.
Venue
Proceedings of the National Academy of Sciences
Published
2018-10-23
Volume
115
Issue
45
Pages
11613-11618
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2895861302
Cited by
298
References
36
FWCI
28.13
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The mechanism of resistance to favipiravir in influenza. https://app.cochat.ai/papers/10.1073/pnas.1811345115
The paper
Goldhill, D. H., te Velthuis, A. J. W., Fletcher, R. A., Langat, P., Zambon, M., Lackenby, A., & Barclay, W. S. (2018). The mechanism of resistance to favipiravir in influenza. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1811345115

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.