Single Protein-Mediated Vesicle Division

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Recent research news on Artificial Biology

The successful reconstitution of Drs2p–Cdc50p flippase in small and giant polymer lipid hybrid vesicles is illustrated. The hybrid vesicles show adenosine 5′-triphosphate consumption and flipping of 2-dioleoyl-sn-glycero-3-phospho-l-serine lipids from the inner to the outer leaflet. This induced transmembrane asymmetry results in constriction and division of the giant hybrid vesicles.

4 September 2025 by Emilia Djomina Hansen

A collaborative study between the Lyons and Stadler labs, published in Advanced Materials, reports the successful reconstitution of the Drs2p–Cdc50p lipid flippase in polymer–lipid hybrid vesicles, enabling active translocation of negatively charged lipids to establish transmembrane asymmetry. Crucially, the chemical nature of the hydrophobic block in the amphiphilic block copolymers determines the curvature changes that drive vesicle constriction and division. This work marks an important step toward constructing synthetic systems capable of protein-mediated division, advancing the goal of bottom-up self-replicating assemblies.

Read the article published in Advanced Marterials here.

Contact information:
Professor Brigitte Maria Städler
Aarhus University
Interdisciplinary Nanoscience Center (iNANO)
Email: bstadler@inano.au.dk

Tenure track Assistant Professor Joseph Lyons
Aarhus University
Interdisciplinary Nanoscience Center (iNANO)
Email: lyons@inano.au.dk

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Schiølin, K., Sample, M. & Nguyen, A. (Eds.) (2020). Issue 1: Pandemic.

Nielsen, K. H. (2020). Kampen om mørketallet. Weekendavisen, (Sektion 4 (Ideer)), 5.

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Nielsen, K. H. (2020). Knæk kurven. Weekendavisen, (Sektion 4 (Ideer)), 13.

Thrower, J., Pantazidis, G., Scheffler, M., Simonsen, F. D. S., Jensen, P. A. & Hornekær, L. (2020). Laboratory evidence for the formation of hydrogenated fullerene molecules. In F. Salama & H. Linnartz (Eds.), Laboratory Astrophysics: From Observations to Interpretation (Vol. 15, pp. 144-147). Cambridge University Press. https://doi.org/10.1017/s1743921319007567

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Blazquez-Castro, A., Westberg, M., Bregnhøj, M., Breitenbach, T., Mogensen, D. J., Etzerodt, M. & Ogilby, P. R. (2020). Light-Initiated Oxidative Stress. In H. Sies (Ed.), Oxidative Stress: Eustress and Distress (pp. 363-388). Academic Press.

Lo, IJ., Hill, J., Vilhjálmsson, B. J. & Kjems, J. (2020). Linking the association between circRNAs and Alzheimer's disease progression by multi-tissue circular RNA characterization. RNA Biology, 17(12), 1789-1797. https://doi.org/10.1080/15476286.2020.1783487

Mazur, F., Fernández-Medina, M., Gal, N., Hovorka, O., Chandrawati, R. & Städler, B. (2020). Locomotion of Micromotors Due to Liposome Disintegration. Langmuir, 36(25), 7056-7065. https://doi.org/10.1021/acs.langmuir.9b03509

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