Fig. 6. Mutant PfVps4 localizes to large multivesicular bodies in T. gondii. (A-C) EM of T. gondii stably expressing mutant PfVps4 showing multivesicular bodies. (D) Immunocryolabeling of T. gondii stably expressing mutant PfVps4 showing the PfVps4 distribution in multivesicular bodies. Results are described in the text. Rh, rhoptry. Bars, 0.2 µm.