Article: Functional comparison of SARS-CoV-2 with closely related pangolin and bat coronaviruses.
Cell discovery
2021 Volume 7, Issue 1, Page(s) 21
Abstract: ... The two pangolin coronaviruses and SARS-CoV-2 showed similar infectious activity. However, in SARS-CoV-2 ... between the SARS-CoV-2 and pangolin coronaviruses is that the latter can infect porcine cells ... is yet to be determined. Coronaviruses found to be closely related to SARS-CoV-2 include RaTG13 ...
| Abstract | The origin and intermediate host for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is yet to be determined. Coronaviruses found to be closely related to SARS-CoV-2 include RaTG13 derived from bat and two clusters (PCoV-GD and PCoV-GX) of coronaviruses identified in pangolin. Here, we studied the infectivity and antigenicity patterns of SARS-CoV-2 and the three related coronaviruses. Compared with the other three viruses, RaTG13 showed almost no infectivity to a variety of cell lines. The two pangolin coronaviruses and SARS-CoV-2 showed similar infectious activity. However, in SARS-CoV-2-susceptible cell lines, the pangolin coronaviruses presented even higher infectivity. The striking difference between the SARS-CoV-2 and pangolin coronaviruses is that the latter can infect porcine cells, which could be partially attributed to an amino acid difference at the position of 498 of the spike protein. The infection by SARS-CoV-2 was mainly mediated by Furin and TMPRSS2, while PCoV-GD and PCoV-GX mainly depend on Cathepsin L. Extensive cross-neutralization was found between SARS-CoV-2 and PCoV-GD. However, almost no cross-neutralization was observed between PCoV-GX and SARS-CoV-2 or PCoV-GD. More attention should be paid to pangolin coronaviruses and to investigate the possibility of these coronaviruses spreading across species to become zoonoses among pigs or humans. |
|---|---|
| Language | English |
| Publishing date | 2021-04-06 |
| Publishing country | England |
| Document type | Journal Article |
| ISSN | 2056-5968 |
| ISSN | 2056-5968 |
| DOI | 10.1038/s41421-021-00256-3 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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