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. 2005 Sep;9(3):365-76.
doi: 10.1016/j.devcel.2005.07.013.

Drosophila exocyst components Sec5, Sec6, and Sec15 regulate DE-Cadherin trafficking from recycling endosomes to the plasma membrane

Johanna Langevin  1 , Matthew J Morgan, Jean-Baptiste Sibarita, Sandra Aresta, Mala Murthy, Thomas Schwarz, Jacques Camonis, Yohanns Bellaïche
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Free article

Drosophila exocyst components Sec5, Sec6, and Sec15 regulate DE-Cadherin trafficking from recycling endosomes to the plasma membrane

Johanna Langevin et al. Dev Cell. 2005 Sep.
Free article

Abstract

The E-Cadherin-catenin complex plays a critical role in epithelial cell-cell adhesion, polarization, and morphogenesis. Here, we have analyzed the mechanism of Drosophila E-Cadherin (DE-Cad) localization. Loss of function of the Drosophila exocyst components sec5, sec6, and sec15 in epithelial cells results in DE-Cad accumulation in an enlarged Rab11 recycling endosomal compartment and inhibits DE-Cad delivery to the membrane. Furthermore, Rab11 and Armadillo interact with the exocyst components Sec15 and Sec10, respectively. Our results support a model whereby the exocyst regulates DE-Cadherin trafficking, from recycling endosomes to sites on the epithelial cell membrane where Armadillo is located.

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Comment in

  • Recycling polarity.
    Somers WG, Chia W. Somers WG, et al. Dev Cell. 2005 Sep;9(3):312-3. doi: 10.1016/j.devcel.2005.08.007. Dev Cell. 2005. PMID: 16139221

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