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Proceedings of the National Academy of Sciences of the United States of America, volume 119, issue 1

SARS-CoV-2 spreads through cell-to-cell transmission

Cong Zeng 1, 2
John P. Evans 1, 2, 3
Tiffany King 4, 5
Yi-Min Zheng 1, 2
Eugene M. Oltz 6
Sean Whelan 7
Linda J. Saif 8, 9, 10
Mark E. Peeples 4, 5, 10
Shan-Lu Liu 1, 2, 6, 10
Publication typeJournal Article
Publication date2021-12-22
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.1
ISSN00278424, 10916490
Multidisciplinary
Abstract
Significance

It is currently unknown if SARS-CoV-2 can spread through cell–cell contacts, and if so, the underlying mechanisms and implications. In this work, we show, by using lentiviral pseudotyped virus, that the spike protein of SARS-CoV-2 mediates the viral cell-to-cell transmission, with an efficiency higher than that of SARS-CoV. We also find that cell–cell fusion contributes to cell-to-cell transmission, yet ACE2 is not absolutely required. While the authentic variants of concern (VOCs) B.1.1.7 (alpha) and B.1.351 (beta) differ in cell-free infectivity from wild type and from each other, these VOCs have similar cell-to-cell transmission capability and exhibit differential sensitivity to neutralization by vaccinee sera. Results from our study will contribute to a better understanding of SARS-CoV-2 spread and pathogenesis.

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GOST |
Cite this
GOST Copy
Zeng C. et al. SARS-CoV-2 spreads through cell-to-cell transmission // Proceedings of the National Academy of Sciences of the United States of America. 2021. Vol. 119. No. 1.
GOST all authors (up to 50) Copy
Zeng C., Evans J. P., King T., Zheng Y., Oltz E. M., Whelan S., Saif L. J., Peeples M. E., Liu S. SARS-CoV-2 spreads through cell-to-cell transmission // Proceedings of the National Academy of Sciences of the United States of America. 2021. Vol. 119. No. 1.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1073/pnas.2111400119
UR - https://doi.org/10.1073/pnas.2111400119
TI - SARS-CoV-2 spreads through cell-to-cell transmission
T2 - Proceedings of the National Academy of Sciences of the United States of America
AU - Zeng, Cong
AU - Evans, John P.
AU - King, Tiffany
AU - Zheng, Yi-Min
AU - Oltz, Eugene M.
AU - Whelan, Sean
AU - Saif, Linda J.
AU - Peeples, Mark E.
AU - Liu, Shan-Lu
PY - 2021
DA - 2021/12/22 00:00:00
PB - Proceedings of the National Academy of Sciences (PNAS)
IS - 1
VL - 119
SN - 0027-8424
SN - 1091-6490
ER -
BibTex
Cite this
BibTex Copy
@article{2021_Zeng,
author = {Cong Zeng and John P. Evans and Tiffany King and Yi-Min Zheng and Eugene M. Oltz and Sean Whelan and Linda J. Saif and Mark E. Peeples and Shan-Lu Liu},
title = {SARS-CoV-2 spreads through cell-to-cell transmission},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
year = {2021},
volume = {119},
publisher = {Proceedings of the National Academy of Sciences (PNAS)},
month = {dec},
url = {https://doi.org/10.1073/pnas.2111400119},
number = {1},
doi = {10.1073/pnas.2111400119}
}
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