Boundary formation between nascent tissues prevents cell mixing, powering morphogenesis. In this issue of Developmental Cell, Sidor et al. (2020) describe a novel mechanism whereby the homophilic adhesion protein Crumbs regulates planar-polarized assembly of actomyosin cables at tissue boundaries by affecting dynamics of membrane recruitment of the myosin regulator Rho-kinase.
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| http://dx.doi.org/10.1016/j.devcel.2020.01.018 | DOI Listing |
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