TABLE 1.

Summary of virus mutants and marker genes

Mutant	UL11	UL16	UL21
PrV-Ka	WTa	WT	WT
PrV-ΔUL11F	FRT site	WT	WT
PrV-ΔUL16F	WT	FRT site	WT
PrV-ΔUL21F	WT	WT	FRT site
PrV-ΔUL16F/21K	WT	FRT site	Kanamycin
PrV-ΔUL16F/11G	GFP	FRT site	WT
PrV-ΔUL16F/21K/11G	GFP	FRT site	Kanamycin

^aWT, wild type.