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Squirmers with swirl -- a model for swimming
T. J. Pedley, D. R. Brumley, R. E. Goldstein
Colonies of the green alga are spheres that swim through the beating of pairs of flagella on their surface somatic cells. The somatic cells themselves are mounted rigidly…
Motility of Colonial Choanoflagellates and the Statistics of Aggregate Random Walkers
Julius B. Kirkegaard, Alan O. Marron, Raymond E. Goldstein
We illuminate the nature of the three-dimensional random walks of microorganisms composed of individual organisms adhered together. Such are typified by…
Ferromagnetic and antiferromagnetic order in bacterial vortex lattices
Hugo Wioland, Francis G. Woodhouse, Jörn Dunkel +1
Despite their inherent non-equilibrium nature, living systems can self-organize in highly ordered collective states that share striking similarities with the thermodynamic equilibr…
Coordinated Beating of Algal Flagella is Mediated by Basal Coupling
Kirsty Y. Wan, Raymond E. Goldstein
Cilia and flagella often exhibit synchronized behavior; this includes phase locking, as seen in {\it Chlamydomonas}, and metachronal wave formation in the respiratory cilia of high…
Cortical microtubule nucleation can organise the cytoskeleton of oocytes to define the anteroposterior axis
Philipp Khuc Trong, Hélène Doerflinger, Jörn Dunkel +2
Many cells contain non-centrosomal arrays of microtubules (MT), but the assembly, organisation and function of these arrays are poorly understood. We present the first theoretical…
Feeding ducks, bacterial chemotaxis, and the Gini index
Francois J. Peaudecerf, Raymond E. Goldstein
Classic experiments on the distribution of ducks around separated food sources found consistency with the `ideal free' distribution in which the local population is proportional to…