PLVAP and infection: Infection of PV1(mCherry)pv(3C/D[A/G]) was inhibited by pre-incubation with anti-PV1 antiserum, but not with anti-PV2 or PV3 antisera, suggesting that the type 1 PV antigenicity is retained on PV1(mCherry)pv(3C/D[A/G]) similar to PVpv produced with the WT replicon (66, 67).