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Letter

Nature Cell Biology 10, 964–970 (1 August 2008) | doi:10.1038/ncb1756

Modulation of intracellular trafficking regulates cell intercalation in the Drosophila trachea

Daniel D. Shaye , Jordi Casanova & Marta Llimargas

Through intercalation, a fundamental mechanism underlying elongation during morphogenesis, epithelial cells exchange places in a spatially oriented manner. Epithelial cells are tightly coupled through distinct intercellular junctions, including adherens junctions.