The Notch gene, adhesion, and developmental fate in the Drosophila embryo.

Abstract excerpt

The Notch locus in Drosophila encodes a transmembrane protein required for the determination of cell fate in ectodermal cells. When these cells are faced with a choice of two possible fates, Notch enables some of them to advance from the fate that represents a "default" state. The decision appears to involve both an interaction between cells and the presence of the Notch product on the surface of those advancing...

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