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@ARTICLE{MesnRamrez:626191,
author = {Mesén-Ramírez, Joëlle Paolo and Fuchs, Gwendolin and
Burmester, Jonas and Farias, Guilherme B. and Alape-Flores,
Ana María and Singla, Shamit and Alder, Arne and
Cubillán-Marín, José and Castro-Peña, Carolina and
Lemcke, Sarah and Sondermann, Holger and Prado, Mónica and
Spielmann, Tobias and Wilson, Danny and Gilberger, Tim},
title = {{HOPS}/{CORVET} tethering complexes are critical for
endocytosis and protein trafficking to invasion related
organelles in malaria parasites},
journal = {PLoS pathogens},
volume = {21},
number = {4},
issn = {1553-7366},
address = {Lawrence, Kan.},
publisher = {PLoS},
reportid = {PUBDB-2025-01332},
pages = {e1013053 -},
year = {2025},
abstract = {The tethering complexes HOPS/CORVET are central for
vesicular fusion through the eukaryotic endolysosomal
system, but the functions of these complexes in the
intracellular development of malaria parasites are still
unknown. Here we show that the HOPS/CORVET core subunits are
critical for the intracellular proliferation of the malaria
parasite Plasmodium falciparum. We demonstrate that
HOPS/CORVET are required for parasite endocytosis and host
cell cytosol uptake, as early functional depletion of the
complex led to developmental arrest and accumulation of
endosomes that failed to fuse to the digestive vacuole
membrane. Late depletion of the core HOPS/CORVET subunits
led to a severe defect in merozoite invasion as a result of
the mistargeting of proteins destined to the apical
secretory organelles, the rhoptries and micronemes.
Ultrastructure-expansion microscopy revealed a reduced
rhoptry volume and the accumulation of numerous vesicles in
HOPS/CORVET deficient schizonts, further supporting a role
of HOPS/CORVET in post-Golgi protein cargo trafficking to
the invasion related organelles. Hence, malaria parasites
have repurposed HOPS/CORVET to perform dual functions across
the intraerythrocytic cycle, consistent with a canonical
endocytic pathway for delivery of host cell material to the
digestive vacuole in trophozoite stages and a parasite
specific role in trafficking of protein cargo to the apical
organelles required for invasion in schizont stages.},
cin = {CSSB-BNITM-TG / CSSB-DESY-HS},
ddc = {610},
cid = {I:(DE-H253)CSSB-BNITM-TG-20210520 /
I:(DE-H253)CSSB-DESY-HS-20210521},
pnm = {633 - Life Sciences – Building Blocks of Life: Structure
and Function (POF4-633)},
pid = {G:(DE-HGF)POF4-633},
experiment = {EXP:(DE-H253)ALFM-20250101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:40198740},
UT = {WOS:001462112300002},
doi = {10.1371/journal.ppat.1013053},
url = {https://bib-pubdb1.desy.de/record/626191},
}