Cited by 538SARS-CoV-2 and COVID-19 ResearchCOVID-19 Clinical Research StudiesAnimal Virus Infections Studies

SARS-CoV-2 spike D614G change enhances replication and transmission

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Zhou, Bin, Thao, Tran Thi Nhu, Hoffmann, Donata, Taddeo, Adriano, Ebert, Nadine, Labroussaa, Fabien, Pohlmann, Anne, King, Jacqueline +27 more·2021·Nature

Published version of a preprint

Abstract

During the evolution of SARS-CoV-2 in humans, a D614G substitution in the spike glycoprotein (S) has emerged; virus containing this substitution has become the predominant circulating variant in the COVID-19 pandemic 1. However, whether the increasing prevalence of this variant reflects a fitness advantage that improves replication and/or transmission in humans or is merely due to founder effects remains unknown. Here we use isogenic SARS-CoV-2 variants to demonstrate that the variant that contains S(D614G) has enhanced binding to the human cell-surface receptor angiotensin-converting enzyme 2 (ACE2), increased replication in primary human bronchial and nasal airway epithelial cultures as well as in a human ACE2 knock-in mouse model, and markedly increased replication and transmissibility in hamster and ferret models of SARS-CoV-2 infection. Our data show that the D614G substitution in S results in subtle increases in binding and replication in vitro, and provides a real competitive advantage in vivo-particularly during the transmission bottleneck. Our data therefore provide an explanation for the global predominance of the variant that contains S(D614G) among the SARS-CoV-2 viruses that are currently circulating.

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  • The B.1.1.7, B.1.351, and P.1 lineages all harbor a N501Y mutation in the RBD, which increases the affinity for the ACE2 receptor, and a D614G mutation, which increases virion spike density, infectivity, and transmissibility.

    “The B.1.1.7, B.1.351, and P.1 lineages all harbor a N501Y mutation in the RBD, which increases the affinity for the ACE2 receptor (57, 58), and a D614G mutation, which increases virion spike density, infectivity, and transmissibility (59, 60).”

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Authors
Zhou, B., Thao, T. T. N., Hoffmann, D., Taddeo, A., Ebert, N., Labroussaa, F., Pohlmann, A., King, J., Steiner, S., Kelly, J. N., Portmann, J., Halwe, N. J., Ulrich, L., Trüeb, B. S., Fan, X., Hoffmann, B., Wang, L., Thomann, L., Lin, X., Stalder, H., Pozzi, B., de Brot, S., Jiang, N., Cui, D., Hossain, J., Wilson, M. M., Keller, M. W., Stark, T. J., Barnes, J. R., Dijkman, R., Jores, J., Benarafa, C., Wentworth, D. E., Thiel, V., & Beer, M.
Affiliations
  • Centers for Disease Control and Prevention (US)
  • University of Bern (CH)
  • Friedrich-Loeffler-Institut (DE)
  • Battelle (US)
  • Oak Ridge Institute for Science and Education (US)
Corresponding author
  • Benarafa, Charaf
  • Wentworth, David E.
  • Thiel, Volker
  • Beer, Martin
Venue
Nature
Published
2021-02-26
Volume
592
Issue
7852
Pages
122-127
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W3129399011
Cited by
538
References
31
Citations by year
2026: 18 · 2025: 28 · 2024: 57 · 2023: 82 · 2022: 161 · 2021: 185 · 2020: 6
FWCI
38.45
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nd)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion, cc-by-nd)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion)
  • OpenAgrar (submittedVersion)
Funders
  • National Science Foundation (874735)
  • University of Bern
  • European Commission (721367, 874735, HORIZON2020, COVID-19)
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (173085, 196644, 196062, 310030)
  • Bundesamt für Gesundheit
  • Bundesministerium für Bildung und Forschung (01KI1723A)
  • Bundesministerium für Ernährung und Landwirtschaft (874735)
  • National Institutes of Health (874735, COVID-19)
  • Centers for Disease Control and Prevention
  • National Institute of Allergy and Infectious Diseases (P01AI059576, COVID-19, 874735, U54AI057158)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
Keywords
SARS-CoV-2, spike protein, ACE2 binding, viral fitness, virus transmission, viral replication, founder effect, hamster model, ferret model, COVID-19 pandemic

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