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AUNAB - Aarhus University Network on Artificial Biology

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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

Recent publications by network

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Nielsen, K. H. (2025). Hvem opdagede malariamyggen? Weekendavisen, Sektion 4 (Ideer), 5.

Teixeira, L. M. C., Paiva, P., Johansen, M. B., Sommerfeldt, A., Petersen, A. R., Rotilio, L., Sandahl, A., Morth, J. P., Westh, P., Otzen, D. E., Fernandes, P. A. & Ramos, M. J. (2025). Hydrolysis of the Urethane Bond Catalyzed by Pseudomonas sp. MIS38 Lipase: A QM/MM Mechanistic Insight. ACS Catalysis, 15, 14728-14740. https://doi.org/10.1021/acscatal.5c03228

Nielsen, K. H. (2025). I Darwins navn. Weekendavisen, Sektion 4 (Ideer), 5.

Brito, L. F., Luciano, D., Irla, M., Virant, D., Courtade, G. & Brautaset, T. (2025). Identification of MscS as a Key L-Glutamate Exporter in Bacillus methanolicus. Microbial Biotechnology, 18(10), Article e70252. https://doi.org/10.1111/1751-7915.70252

Gothelf, K. V., Kjems, J., Otzen, D. E., Nielsen, N. C., Hornekær, L., Zelikin, A., Pedersen, J. S., Vorup-Jensen, T. & Sutherland, D. S. (2025). Ingen reel mulighed for medarbejdere for at gøre indsigelse mod ledelsens beslutning om at afvikle iNANO. Omnibus, 2025(Juni). https://omnibus.au.dk/arkiv/vis/artikel/aabent-brev-medarbejdere-er-sat-uden-for-indflydelse-i-ledelsens-beslutning-om-at-afvikle-inano

Huertas-Díaz, L., Vestergaard, L. G., Marietou, A., Irla, M., Behr, J., Somoza, M. M., Feilberg, A. & Schwab, C. (2025). Insights into the utilisation of 1,2-propanediol and interactions with the cell envelope of Clostridium perfringens. Gut Pathogens, 17(1), Article 23. https://doi.org/10.1186/s13099-025-00689-1

Otzen, D. E., Peña-Díaz, S., Widmann, J., Daugberg, A. O. H., Zhang, Z., Jiang, Y., Mittal, C., Dueholm, M. K. D., Louros, N., Wang, H. & Javed, I. (2025). Interactions between pathological and functional amyloid: A match made in Heaven or Hell? Molecular Aspects of Medicine, 103, 101351. Article 101351. https://doi.org/10.1016/j.mam.2025.101351

Fage-Butler, A., Ledderer, L. & Nielsen, K. H. (2025). Introduction. In Science Communication and Trust (pp. 1-21). Springer. https://doi.org/10.1007/978-981-96-1289-5_1

Olsen, W. P., Larsen, A.-K. K., Christensen, J. L., Malle, M. G. & Otzen, D. E. (2025). Investigating strategies for creating cross-linked amyloid fibril networks through branching of amyloid growth. Colloids and surfaces. B, Biointerfaces, 251, 114617. Article 114617. https://doi.org/10.1016/j.colsurfb.2025.114617

López Hernández, M., Otzen, D. E. & Pedersen, J. S. (2025). Investigating the interactions between an industrial lipase and anionic (bio)surfactants. Journal of Colloid and Interface Science, 679(B), 294-306. https://doi.org/10.1016/j.jcis.2024.10.060

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Kalinka Hansen