FIG. 6.
Virus binding on the surface of Raji cells as detected by indirect immunofluorescence staining of the major envelope glycoprotein gp350/220. (a) EBV from supernatant of B95-8 cells; (b) supernatant of induced 293-2089 cells; (c) supernatant of 293-BFRF1-KO cells; (d) supernatant of BFRF1-complemented 293-BFRF1-KO cells. Bar, 10 μm.