ArticlePLoS pathogens2022
Toxoplasma gondii phosphatidylserine flippase complex ATP2B-CDC50.4 critically participates in microneme exocytosis.
Article in PLoS pathogens, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 30 citations in OpenAlex.
- Origins and Molecular Features of a Chimeric Type-P4A ATPase-Guanylate Cyclase from Stramenopiles and Alveolates.International journal of molecular sciences · 2026Article
- An ER-IMC bridge protein TgVPS13A and an IMC-resident scramblase TgDAT1 drive daughter budding in Toxoplasma gondii.PLoS pathogens · 2026Article
- PfATP2 is a flippase on the Plasmodium falciparum surface that is important for growth and influences parasite sensitivity to antiplasmodial compounds.PLoS pathogens · 2025Article
- Evolutionarily conserved grammar rules viral factories of amoeba-infecting members of the hyperdiverseProceedings of the National Academy of Sciences of the United States of America · 2025Article
- A P5-ATPase, TgFLP12, diverging from plant chloroplast lipid transporters mediates apicoplast fatty export in Toxoplasma.Nature communications · 2025Article
- Sarcoendoplasmic reticulum calcium ATPase is an essential and druggable lipid-dependent ion pump in Toxoplasma gondii.Communications biology · 2025Article
- Lipidomics Analysis Reveals the Effects of Docosahexaenoic Acid from Different Sources on Prefrontal-Cortex Synaptic Plasticity.Nutrients · 2025Article
- Lipid metabolism: the potential targets for toxoplasmosis treatment.Parasites & vectors · 2024Review
- Genetic manipulation of giant viruses and their host, Acanthamoeba castellanii.Nature protocols · 2024Review
- Subversion from Within and Without: Effector Molecule Transfer from Obligate Intracellular Apicomplexan Parasites to Human Host Cells.Results and problems in cell differentiation · 2024Review
- Unique asymmetric distribution of phosphatidylserine and phosphatidylethanolamine in Toxoplasma gondii revealed by nanoscale analysis.Histochemistry and cell biology · 2023Article
- AScience advances · 2023Article
- The enemy within: lipid asymmetry in intracellular parasite-host interactions.Emerging topics in life sciences · 2023Review
- Synthesis vs. salvage of ester- and ether-linked phosphatidylethanolamine in the intracellular protozoan pathogen Toxoplasma gondii.Communications biology · 2023Article
- Evolution of giant pandoravirus revealed by CRISPR/Cas9.Nature communications · 2023Article
- Apically-located P4-ATPase1-Lem1 complex internalizes phosphatidylserine and regulates motility-dependent invasion and egress inComputational and structural biotechnology journal · 2023Article
- Article
- The flexibility of Apicomplexa parasites in lipid metabolism.PLoS pathogens · 2022Review
- Dominique Soldati-Favre: BringingFrontiers in cellular and infection microbiology · 2022Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Regulated microneme secretion governs motility, host cell invasion and egress in the obligate intracellular apicomplexans. Intracellular calcium oscillations and phospholipid dynamics critically regulate microneme exocytosis. Despite its importance for the lytic cycle of these parasites, molecular mechanistic details about exocytosis are still missing. Some members of the P4-ATPases act as flippases, changing the phospholipid distribution by translocation from the outer to the inner leaflet of the membrane. Here, the localization and function of the repertoire of P4-ATPases was investigated across the lytic cycle of Toxoplasma gondii. Of relevance, ATP2B and the non-catalytic subunit cell division control protein 50.4 (CDC50.4) form a stable heterocomplex at the parasite plasma membrane, essential for microneme exocytosis. This complex is responsible for flipping phosphatidylserine, which presumably acts as a lipid mediator for organelle fusion with the plasma membrane. Overall, this study points toward the importance of phosphatidylserine asymmetric distribution at the plasma membrane for microneme exocytosis.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.