Fig 1.
Cytopathic effects in infected parental HT1080 and dnMEK (HT92-6) cell lines. Replicate cultures of HT-1080 and HT92-6 cells were either mock infected (a and d) or infected with 10 PFU of HSV-1(F) (b and e) or R2621 mutant (c and f) virus per cell. Images were taken at 12 h after infection.