Table 1.
Different swinecoronaviruses, tropism, and their receptors.
| Genus | Virus species | Tropism | Receptor/Co-receptor | References | 
|---|---|---|---|---|
| Alpha | TGEV | Respiratory and gastrointestinal system | Aminopeptidase N (APN), Sialic acid | Turlewicz-Podbielska and Pomorska-Mól (2021) | 
| PRCV | Respiratory system | Aminopeptidase N (APN) | Peng et al. (2020) | |
| PEDV | Gastrointestinal system | N acetyl neuraminic acid | Liu et al. (2015) | |
| SADS- CoV | Gastrointestinal system | Not identified | Li et al. (2018b) | |
| Beta | PHEV | Respiratory, gastrointestinal and nervous systems | 5-N-acetyl-9-O acetyl neuraminic acid (Neu5, 9Ac2), Neural cell adhesion molecule (NCAM) | Dong et al. (2015); Alluwaimi et al. (2020) | 
| Delta | PDCoV | Gastrointestinal system | Aminopeptidase N (APN) | Wang et al. (2018) |