Journal Article

Kinesin-8B controls basal body function and flagellum formation and is key to malaria transmission


Eukaryotic flagella are conserved microtubule-based organelles that drive cell motility. Plasmodium, the causative agent of malaria, has a single flagellate stage: the male gamete in the mosquito. Three rounds of endomitotic division in male gametocyte together with an unusual mode of flagellum assembly rapidly produce eight motile gametes. These processes are tightly coordinated, but their regulation is poorly understood. To understand this important developmental stage, we studied the function and location of the microtubule-based motor kinesin-8B, using gene-targeting, electron microscopy, and live cell imaging. Deletion of the kinesin-8B gene showed no effect on mitosis but disrupted 9+2 axoneme assembly and flagellum formation during male gamete development and also completely ablated parasite transmission. Live cell imaging showed that kinesin-8B–GFP did not co-localise with kinetochores in the nucleus but instead revealed a dynamic, cytoplasmic localisation with the basal bodies and the assembling axoneme during flagellum formation. We, thus, uncovered an unexpected role for kinesin-8B in parasite flagellum formation that is vital for the parasite life cycle.

Attached files


Zeeshan, Mohammad
Ferguson, David J.P.
Abel, Steven
Burrrell, Alana
Rea, Edward
Brady, Declan
Daniel, Emilie
Delves, Michael
Vaughan, Sue
Holder, Anthony A.
Le Roch, Karine G.
Moores, Carolyn A.
Tewari, Rita

Oxford Brookes departments

Department of Biological and Medical Sciences


Year of publication: 2019
Date of RADAR deposit: 2022-06-15

Creative Commons License This work is licensed under a Creative Commons Attribution 4.0 International License

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This RADAR resource Cites Sequence reads have been deposited in the NCBI Sequence Read Archive with accession number: PRJNA549466.


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