FIG. 5.

β-Galactosidase activity in transfected LMH cells. Cells were transfected with pBlueScript KS(+)/PORF1/βGal or pBlueScript KS(+)/MLP/βGal with or without purified CELO virus DNA. After 48 h, the cells were assayed for β-galactosidase activity (see Materials and Methods).