Parasite microtubule

Parasite microtubules are cytoskeletal filaments of tubulin that play crucial roles in maintaining parasite cell morphology, enabling cell division, host cell invasion, intracellular trafficking, and motility such as flagellar movement[1][2][3][5][7]. While tubulin is highly conserved, subtle structural differences in parasite microtubules, especially in the drug-binding sites, allow for selective targeting by antiparasitic drugs without harming host microtubules[2][6][8]. These structures are especially prominent in forms such as subpellicular microtubule arrays (defining parasite shape and rigidity), axonemal microtubules (flagellar movement), and specialized assemblies like the conoid (invasion machinery)[1][3][5][7]. Drug classes such as dinitroanilines and benzimidazoles inhibit parasite microtubule formation and function, representing proven and promising antiparasitic strategies[2][6][8]. Parasite microtubules remain a focus for combating major parasitic infections, although challenges such as resistance and selectivity persist.

Other names

Subpellicular microtubuleCortical microtubuleAxonemal microtubule*Plasmodium* microtubule*Toxoplasma* microtubule*Trypanosoma* microtubuleKinetoplastid microtubuleSPMT/subpellicular microtubule

Inhibition of microtubule polymerization (preventing tubulin assembly)\nDisruption of microtubule function, leading to impaired parasite replication, host cell invasion, and morphology