FIG. 5.
Ultrastructural analysis of PrV-UL36Δ22-248 and PrV-UL36Δ2087-2981. RK13 cells were infected at an MOI of 1 and analyzed 14 h after infection. (A) Overview of a PrV-UL36Δ22-248-infected cell. (B) Overview of a PrV-UL36Δ2087-2981-infected cell. (C and D) Higher magnifications of the panel B image showing secondary envelopment (C) and extracellular mature virions (D). Bars, 2.4 μm (A), 2 μm (B), 500 nm (C), and 300 nm (D).