Table 1 The adapted US PEDV strains passaged in three different culture conditions (trypsin, elastase and GCDCA) were designated as PEDV KD, AA or 8aa, respectively
From: Trypsin-independent porcine epidemic diarrhea virus US strain with altered virus entry mechanism
PEDV KD | PEDV AA | PEDV 8aa | |||||
|---|---|---|---|---|---|---|---|
Passage No | Titration with | Passage No | Titration with | Passage No | Titration with | ||
Trypsin | Trypsin | Elastase | GCDCA | Trypsin | |||
P4 | 5.1 | P4 | 3.8 | 2.5 | P4 | 2.5 | 3.1 |
P10 | 5.8 | P10 | 5.2 | 4.1 | P14 | 6.6 | 5.1 |
P20 | 6.3 | P20 | 6.7 | 5.3 | P17 | 7.5 | 2.2 |
P30 | 6.2 | P30 | 6.5 | 5.1 | P21 | 8.1 | < 2 |
P40 | 6.5 | P40 | 6.7 | 5.5 | P40 | 8.1 | < 2 |
P60 | 6.2 | P60 | 6.8 | 5.3 | P70 | 8.2 | < 2 |
P120 | 6.3 | P120 | 6.7 | 5.2 | P120 | 8.1 | < 2 |