Morphogenesis of membrane invaginations in spherical confinement

Details Morphogenesis of membrane invaginations in spherical confinement Morphogenesis of membrane invaginations in spherical confinement

2012-01-12

arxiv.org/abs/1201.2518v2

Europhys. Lett., 97(6): 68008 (2012)

Physics

Biological Physics

4 pages, 3 figures, 1 table

Scientific paper

10.1209/0295-5075/97/68008

We study the morphology of a fluid membrane in spherical confinement. When the area of the membrane is slightly larger than the area of the outer container, a single axisymmetric invagination is observed. For higher area, self-contact occurs: the invagination breaks symmetry and deforms into an ellipsoid-like shape connected to its outer part via a small slit. For even higher areas, a second invagination forms inside the original invagination. The folding patterns observed could constitute basic building blocks in the morphogenesis of biological tissues and organelles.

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