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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
  1. The table shows PEDV titers (log10 TCID50/ml) which were determined in the presence of trypsin, elastase or GCDCA, as indicated