Evidence map›Paper›PMID 34534263›Full record

ArticlePLoS pathogens2021

In vitro selection of Remdesivir resistance suggests evolutionary predictability of SARS-CoV-2.

Agnieszka M Szemiel, Andres Merits, Richard J Orton, Oscar A MacLean, Rute Maria Pinto, Arthur Wickenhagen, Gauthier Lieber, Matthew L Turnbull, Sainan Wang, Wilhelm Furnon and 10 more

Abstract read
In one paragraph

Article in PLoS pathogens, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 111 papers.

0numbers the graph read from it
0cells of the map it votes in
111citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

111 citing papers in PubMed.

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  14. Mycophenolic acid treatment drives the emergence of novel SARS-CoV-2 variants.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  15. Article
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  18. EfficientAntimicrobial agents and chemotherapy · 2025
    Article
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  20. Article

51 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

20 authors.

Agnieszka M SzemielMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-3085-9994
Andres MeritsInstitute of Technology, University of Tartu, Tartu, Estonia.
Richard J OrtonMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0002-3389-4325
Oscar A MacLeanMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-4919-4697
Rute Maria PintoMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-3291-1397
Arthur WickenhagenMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-5470-1505
Gauthier LieberMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-0972-6214
Matthew L TurnbullMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0002-7234-5871
Sainan WangInstitute of Technology, University of Tartu, Tartu, Estonia.
Wilhelm FurnonMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.
Nicolas M SuarezMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-8429-8374
Daniel MairMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-7169-9080
Ana da Silva FilipeMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.
Brian J WillettMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-8912-3266
Sam J WilsonMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0002-6065-0895
Arvind H PatelMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-4600-2047
Emma C ThomsonMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0003-1482-0889
Massimo PalmariniMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-7007-4070
Alain KohlMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.
Meredith E StewartMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.ORCID 0000-0001-6275-2740

Funding

Medical Research Council MC_PC_19026Medical Research Council MC_UU_12014/10Medical Research Council MC_UU_12014/2Medical Research Council MC_UU_12014/8
6 · The paper itself

Abstract

Remdesivir (RDV), a broadly acting nucleoside analogue, is the only FDA approved small molecule antiviral for the treatment of COVID-19 patients. To date, there are no reports identifying SARS-CoV-2 RDV resistance in patients, animal models or in vitro. Here, we selected drug-resistant viral populations by serially passaging SARS-CoV-2 in vitro in the presence of RDV. Using high throughput sequencing, we identified a single mutation in RNA-dependent RNA polymerase (NSP12) at a residue conserved among all coronaviruses in two independently evolved populations displaying decreased RDV sensitivity. Introduction of the NSP12 E802D mutation into our SARS-CoV-2 reverse genetics backbone confirmed its role in decreasing RDV sensitivity in vitro. Substitution of E802 did not affect viral replication or activity of an alternate nucleoside analogue (EIDD2801) but did affect virus fitness in a competition assay. Analysis of the globally circulating SARS-CoV-2 variants (>800,000 sequences) showed no evidence of widespread transmission of RDV-resistant mutants. Surprisingly, we observed an excess of substitutions in spike at corresponding sites identified in the emerging SARS-CoV-2 variants of concern (i.e., H69, E484, N501, H655) indicating that they can arise in vitro in the absence of immune selection. The identification and characterisation of a drug resistant signature within the SARS-CoV-2 genome has implications for clinical management and virus surveillance.

Indexed as

COVID-19 Drug TreatmentAdenosine MonophosphateAlanineAnimalsAntiviral AgentsBiological EvolutionChlorocebus aethiopsCoronavirus RNA-Dependent RNA PolymeraseDrug Resistance, MicrobialHumansMutationSARS-CoV-2Spike Glycoprotein, CoronavirusVero CellsAdenosine MonophosphateAlanineAntiviral AgentsCoronavirus RNA-Dependent RNA PolymeraseNSP12 protein, SARS-CoV-2remdesivirSpike Glycoprotein, Coronavirusspike protein, SARS-CoV-2

Identifiers

PMID34534263
PMCPMC8496873

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.