Rap1 uses Canoe-dependent and Canoe-independent mechanisms to regulate apical contractility and allow embryonic morphogenesis without tissue disruption
Abstract:Embryonic morphogenesis is powered by dramatic changes in cell shape and arrangement, driven by the cytoskeleton and its connections to adherens junctions. This requires robust linkage, allowing morphogenesis without disrupting tissue integrity. The small GTPase Rap1 is a key regulator of cell adhesion, controlling both cadherin-mediated and integrin-mediated processes. We have defined multiple roles in morphogenesis for one Rap1 effector, Canoe/Afadin, which ensures robust junction-cytoskeletal linkage. W… Show more
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