Localization of PfPdxK-GFP in living parasites by fluorescence microscopy. Fluorescence of the GFP moiety (green) is found in the parasite’s cytosol. The nucleus is stained with Hoechst dye (blue).Müller IB, Wu F, Bergmann B, Knöckel J, Walter RD, Gehring H, Wrenger C. Poisoning pyridoxal 5-phosphate-dependent enzymes: a new strategy to target the malaria parasite Plasmodium falciparum. PLoS ONE. 009;4(2):e4406.