PDLIM7 and Epstein-Barr virus infection: To further verify that tree shrew PBMCs are indeed susceptible to EBV infection, we detected the expression of EBV genes (BLLF1, BMRF1, LMP1, EBNA1, EBNA3A, and EBNA3B/3C) in the tree shrew PBMCs throughout the co-culture period (Figure 3D).