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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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Andersen, K., Oliveira, C. L. P. D., Larsen, K. L., Poulsen, F., Callisen, T., Westh, P., Pedersen, J. S. & Otzen, D. (2009). The role of decorated SDS micelles in sub-cmc protein denaturation and association. Journal of Molecular Biology, 391, 207-226.

Ebbesen, M. & Pedersen, B. D. (2009). The Role of Ethics in the Daily Work of Oncology Physicians and Molecular Biologists: Results of an Empirical Study. Business and Professional Ethics Journal, 27(1), 19-46.

Basaiawmoit, R. V., Deva, T., Runager, K., Kristensen, T., Enghild, J. J. & Otzen, D. (2009). The Underlying Mechanisms of TGFBIp-mediated Corneal Dystrophies. Abstract from Asia ARVO, International Meeting on Research in Vision and Ophthalmology, Hyderabad International Convention Center. Abstract number: PAP05.01, Hyderabad, India.

Nielsen, K. H. (2009). Tilfældets lovmæssighed. Videnskab.dk.

Baouche, S., Hornekær, L., Baurichter, A., Luntz, A. C., Petrunin, V. V. & Sljivancanin, Z. (2009). Translational energy and state resolved observations of D and D₂ thermallydesorbing from D clusters chemisorbed on graphite. Journal of Chemical Physics, 131, 244707.

Li, Y., Li, Y., Yao, Y., Liu, B., Chen, M., Song, X. & Dong, M. (2009). Two-dimensional scaffold layer formations on a solid surface through xanthan polysaccharide: temperature effect. Colloids and Surfaces B: Biointerfaces, 74(1), 136-9. https://doi.org/10.1016/j.colsurfb.2009.07.007

Chen, M., Yanqing Li, Yinli Li, Yuhen Yao, Bo Liu & Xiangzhi Song and Mingdong Dong (2009). Two-dimensional scaffold layer formations on a solid surface through xanthan polysaccharide: Temperature effect. Colloids and Surfaces B: Biointerfaces, 74(1).

Nielsen, J. T., Bjerring, M., Jeppesen, M., Pedersen, R. O., Pedersen, J. M., Hein, K. L., Vosegaard, T., Skrydstrup, T., Otzen, D. & Nielsen, N. C. (2009). Unique Identification of Supramolecular Structures in Amyloid Fibrils by Solid-State NMR. Poster session presented at 50th Experimental NMR conference (ENC), Asilomar, CA, United States.

Nielsen, J. T., Bjerring, M., Jeppesen, M., Pedersen, R. O., Pedersen, J. M., Hein, K. L., Vosegaard, T., Skrydstrup, T., Otzen, D. & Nielsen, N. C. (2009). Unique identification of supramolecular structures in amyloid fibrils by solid-state NMR spectroscopy. Angewandte Chemie International Edition, 48, 2118-2121.

Malmos, K., Dong, M., Pillai, S., Kingshott, P., Besenbacher, F., Pedersen, S. U. & Daasbjerg, K. (2009). Using a hydrazone-protected benzenediazonium salt to introduce a near-monolayer of benzaldehyde on glassy carbon surfaces. Journal of the American Chemical Society, 131(13), 4928-36. https://doi.org/10.1021/ja809816x

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Kalinka Hansen