Programmed and self-organized flow of information during morphogenesis | Nature Reviews Molecular Cell Biology

Tissue morphogenesis is instructed by the interplay of biochemical cues, mechanics and tissue geometry. Conceptually, these instructions can be deployed either deterministically, functioning as a pre-patterned programme for shape changes, or stochastically, whereby the shape emerges in a self-organized fashion. This Review discusses recent insights into how pre-patterned and stochastic tissue shaping are integrated during development.

Subjects Cell polarity Cytoskeleton Morphogenesis Abstract How the shape of embryos and organs emerges during development is a fundamental question that has fascinated scientists for centuries. Tissue dynamics arise from a small set of cell behaviours, including shape changes, cell contact remodelling, cell migration, cell division and cell extrusion. These behaviours require control over cell mechanics, namely active stresses associated with protrusive, contractile and adhesive forces, and hydrostatic pressure, as well as material properties of cells that dictate how cells respond to active s

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