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Protocells Featuring Membrane-Bound and Dynamic Membraneless Organelles

Living cells, especially eukaryotic ones, use multicompartmentalization to regulate intra- and extracellular activities, featuring membrane-bound and membraneless organelles. These structures govern numerous biological and chemical processes spatially and temporally. Synthetic cell models, primarily...

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Bibliographic Details
Published in:Biomacromolecules 2024-07, Vol.25 (7), p.4087-4094
Main Authors: Schvartzman, Clémence, Ibarboure, Emmanuel, Martin, Anouk, Garanger, Elisabeth, Mutschler, Angela, Lecommandoux, Sébastien
Format: Article
Language:English
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Summary:Living cells, especially eukaryotic ones, use multicompartmentalization to regulate intra- and extracellular activities, featuring membrane-bound and membraneless organelles. These structures govern numerous biological and chemical processes spatially and temporally. Synthetic cell models, primarily utilizing lipidic and polymeric vesicles, have been developed to carry out cascade reactions within their compartments. However, these reconstructions often segregate membrane-bound and membraneless organelles, neglecting their collaborative role in cellular regulation. To address this, we propose a structural design incorporating microfluidic-produced liposomes housing synthetic membrane-bound organelles made from self-assembled poly­(ethylene glycol)-block-poly­(trimethylene carbonate) nanovesicles and synthetic membraneless organelles formed via temperature-sensitive elastin-like polypeptide phase separation. This architecture mirrors natural cellular organization, facilitating a detailed examination of the interactions for a comprehensive understanding of cellular dynamics.
ISSN:1525-7797
1526-4602
1526-4602
DOI:10.1021/acs.biomac.4c00200