Figure 1From: A conditional-lethal vaccinia virus mutant demonstrates that the I7L gene product is required for virion morphogenesisEffect of TET on plaque formation. TREx-293 cells were infected with vtetOI7L or wild-type virus in the presence or absence of 1 μg/ml TET and harvested 24 hpi. BSC40 cells were then infected and stained with crystal violet 48 hpi.Back to article page