Abstract

To egress from its host erythrocyte, the malaria parasite Plasmodium falciparum breaches two enveloping membranes, the vacuolar (PVM) and erythrocyte membrane, in an orchestrated multi-step sequence. Following the natural parasite egress steps under a fluorescence microscope using endogenously mNeonGreen-tagged vacuolar membrane resident protein EXP2, we made two remarkable observations: (1) signal from the EXP2 was found intruding far into the segmented parasite, and (2) the fluorescent signal of EXP2 decreases stepwise at the moment of PVM rupture.

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