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Polarizing morphogenesis: epithelia dance the polonaise

Posted by on June 13th, 2018

The story behind our recent paper: Counter-rotational cell flows drive morphological and cell fate asymmetries in mammalian hair follicles. Maureen Cetera, Liliya Leybova, Bradley Joyce & Danelle Devenport, Nature Cell Biology.    Planar cell polarity (PCP) is a fascinating biological problem because it spans such vast biological scales, from nanometers to meters of spatial organization. When[…]

In Development this week (Vol. 138, Issue 3)

Posted by on January 4th, 2011

Here are the research highlights from the new issue of Development: Wnt/PCP signalling, microtubules and gastrulation During vertebrate gastrulation, convergence and extension (C&E) movements shape the germ layers to form the anterioposteriorly elongated body axis of vertebrate embryos. Non-canonical Wnt/planar cell polarity (Wnt/PCP) signalling regulates C&E by polarising the morphology and behaviour of cells, which[…]

In Development this week (Volume 137, Issue 18)

Posted by on August 24th, 2010

Non-muscle myosin II translates cilia polarity In the brain, cilia on the multiciliated ependymal cells that line the brain ventricles circulate cerebrospinal fluid over the brain surface. To generate this directional fluid flow, the ependymal cell cilia and their basal bodies must be orientated in one direction. This ‘rotational’ polarity is regulated by the planar[…]