With MOI = 0.001, the viral titer of 8PK_BP_CP was increased to a level comparable with WT while with MOI = 0.0001, the viral titer of 8PK_BP_CP relative to 8PK_BP was increased by about 6 and 17-fold at 12 and 24 h post-infection, respectively. The gene discussed is CP; the disease is infection.