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© Thierry Blisnick & Philippe Bastin, Institut Pasteur
Bloodstream Trypanosoma brucei cell
Publication : Journal of cell science

Hijacking of the host cell Golgi by Plasmodium berghei liver stage parasites.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of cell science - 15 May 2021

De Niz M, Caldelari R, Kaiser G, Zuber B, Heo WD, Heussler VT, Agop-Nersesian C,

Link to Pubmed [PMID] – 34013963

Link to DOI – jcs25221310.1242/jcs.252213

J Cell Sci 2021 05; 134(10):

The intracellular lifestyle represents a challenge for the rapidly proliferating liver stage Plasmodium parasite. In order to scavenge host resources, Plasmodium has evolved the ability to target and manipulate host cell organelles. Using dynamic fluorescence-based imaging, we here show an interplay between the pre-erythrocytic stages of Plasmodium berghei and the host cell Golgi during liver stage development. Liver stage schizonts fragment the host cell Golgi into miniaturized stacks, which increases surface interactions with the parasitophorous vacuolar membrane of the parasite. Expression of specific dominant-negative Arf1 and Rab GTPases, which interfere with the host cell Golgi-linked vesicular machinery, results in developmental delay and diminished survival of liver stage parasites. Moreover, functional Rab11a is critical for the ability of the parasites to induce Golgi fragmentation. Altogether, we demonstrate that the structural integrity of the host cell Golgi and Golgi-associated vesicular traffic is important for optimal pre-erythrocytic development of P. berghei. The parasite hijacks the Golgi structure of the hepatocyte to optimize its own intracellular development. This article has an associated First Person interview with the first author of the paper.

https://pubmed.ncbi.nlm.nih.gov/34013963