Abstract:Primary cilia are sensory cellular organelles crucial for organ development and homeostasis. Ciliogenesis in polarized epithelial cells requires Rab19-mediated clearing of apical cortical actin to allow the cilium to grow from the apically-docked basal body into the extracellular space. Loss of the lysosomal membrane-tethering HOPS complex disrupts this actin-clearing and ciliogenesis, but it remains unclear how ciliary function of HOPS relates to its canonical function in regulating late endosome-lysosome fus… Show more
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