SARS-CoV-2 spike downregulates tetherin to enhance viral spread.
H StewartK H JohansenN McGovernR PalmulliG W CarnellJ L HeeneyK OkkenhaugA E FirthA A PedenJames R EdgarPublished in: bioRxiv : the preprint server for biology (2021)
SARS-CoV-2 downregulates the host restriction factor, tetherin.Tetherin loss enhances viral titre and spread.SARS-CoV-2 ORF7a protein does not downregulate tetherin, but instead induces Golgi fragmentation.Tetherin downregulation is mediated by SARS-CoV-2 spike.