Growth characteristics of three rescued viruses in cell culture compared with parental virus. (a), One-step growth curves of the parental and three cloned viruses. (b), Morphology of plaques formed in BHK-21 cell monolayers by the parental and three cloned viruses.
Li et al. BMC Microbiology 2011 11:154 doi:10.1186/1471-2180-11-154