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Propelling catalytic structures using active biomolecular condensates
Benjamin Sorkin, Ned S. Wingreen
Living systems routinely consume energy to achieve motility, often using intricate biomolecular machinery. In this work, we demonstrate that active biomolecular condensates enable…
Morphogenesis of bacterial colonies in liquid crystalline environments
Sebastian Gonzalez La Corte, Thomas G. J. Chandler, Saverio E. Spagnolie +2
Natural bacterial habitats are often complex fluids with viscoelastic and anisotropic responses to stress; for example, they can take the form of liquid crystals (LCs), with elonga…
Local polar order controls mechanical stress and triggers layer formation in developing Myxococcus xanthus colonies
Endao Han, Chenyi Fei, Ricard Alert +4
Colonies of the social bacterium Myxococcus xanthus go through a morphological transition from a thin colony of cells to three-dimensional droplet-like fruiting bodies as a strateg…
Stoichiometry controls the dynamics of liquid condensates of associative proteins
Pierre Ronceray, Yaojun Zhang, Xichong Liu +1
Multivalent associative proteins with strong complementary interactions play a crucial role in phase separation of intracellular liquid condensates. We study the internal dynamics…
Active phase separation by turning toward regions of higher density
Jie Zhang, Ricard Alert, Jing Yan +2
Studies of active matter, from molecular assemblies to animal groups, have revealed two broad classes of behavior: a tendency to align yields orientational order and collective mot…
Physical limits to biomechanical sensing
Farzan Beroz, Louise M. Jawerth, Stefan Münster +3
Cells actively probe and respond to the stiffness of their surroundings. Since mechanosensory cells in connective tissue are surrounded by a disordered network of biopolymers, thei…