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. 2021 Feb 1;13(3):561. doi: 10.3390/cancers13030561

Figure 2.

Figure 2

Construction of the C promoter deletion (dCp) and revertant (rev) EBV mutant constructs using the EBV-bacterial artificial chromosome (BAC) system. (A) Schematic diagram of the EBV-BAC recombination. The Neo/St cassette was inserted first in the Cp. Neo/St cassette was replaced with a Cp sequence with deletion from 11,145 to 11,476 (332 bp) of KC207813.1. The Neo/St cassette was reinserted again and then replaced with the wild-type (WT) Cp sequence to construct the rev virus. (B,C) Recombinant EBV-BAC DNA was digested by BamHI and EcoRI, and the products were examined by agarose gel electrophoresis. Note that the digested product near 9.4 kbp was shortened in the dCp virus (indicated by arrowhead), reflecting the deletion.