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Design of a two-fluorophore pH biosensor targeted to the digestive vacuole of P...

The maintenance of pH homeostasis is critical for biological processes in all organisms, with the malaria parasite, Plasmodium falciparum, being no exception. The parasite food vacuole is a major acidic digestive organelle, where the pH is thought to be regulated by proton pumps in its membrane. The acidic environment promotes the action of enzymes involved in hemoglobin degradation, and polymerization of toxic...