Human coronavirus HCoV-OC43, a prevalent cause of the common cold, shows differences between clinical isolates and tissue culture-adapted strains, raising concerns about the latter’s validity as a model. Here, the authors find that clinical isolates possess unique spike protein features affecting carbohydrate-binding properties, suggesting shared adaptation mechanisms with HCoV-HKU1 to the human sialoglycome.
- Zaky Hassan
- Min Jin
- James M. Rini