Table 1

Properties of recombinant viruses

Virus no.*DesignationICP4 siteEpitope tag and frame
R3659DeletedNone
R7519CMV–ORF PNativeBstEII/ORF P
R7520CMV–ORF ONativeDraIII/ORF O
R7530P++/O++MutatedNone
R7540P++/O++ CMV IMutatedDraIII/ORFO
R7548P++/O++ CMV 1+2MutatedDraIII/ORF O
SacI/ORF O
  • * R7519 and R7520 were described in ref. 15; R7530 was described in ref. 14. For R7540 and R7548, see Materials and Methods

  • In R3659 the ORF P/ORF O and γ134.5 genes were replaced by the chimeric α27-tk gene (14).