Fig. 2From: Truncated Rep protein of porcine circovirus 2 (PCV2) caused by a naturally occurring mutation reduced virus replication in PK15 cellsThe morphology and microstructure of the rescued viruses produced from PK15 cells, the representative image indicated that the rescued viruses have a spherical morphology with a size of 17–22 nm in diameter, as similar to those of PCV2-VLPsBack to article page