Table 4.
Source of virus | Incubation temperature | Plaques picked | prM 625 (U to C) reversion | NS2A 3707 (C to U) reversion |
---|---|---|---|---|
2 Mosquitoes | 15°C | 10 lpa | 6c | 4c |
10 spb | 5 | 2 | ||
2 Mosquitoes | 27°C | 10 lp | 10 | 0 |
10 sp | 4 | 0 | ||
2 Mosquitoes | 32°C | 10 lp | 10 | 0 |
10 sp | 5 | 0 | ||
Vero | 42.5°C | 5 lp | 5 | 0 |
DF-1 | 42.5°C | 5 lp | 5 | 0 |
Ten-fold serial dilutions of virus recovered from SP infected mosquitoes and Vero or DF-1 cells were plated on Vero cell monolayers in 6-well plates. Well-isolated plaques were picked from the wells containing only 1 or 2 plaques at 72 hpi.
lp: Plaque diameter equal to or larger than 1mm
sp: Plaque diameter smaller than 1mm
Includes one large plaque with double reversion