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Nature Cell Biology 11, 791–793 (1 July 2009) | doi:10.1038/ncb0709-791

Delta traffic takes a sh-Arp turn

Eyal D. Schejter

The Notch signalling pathway uses a broad array of basic cellular machineries to convey instructions between cells throughout metazoan development. At first glance, the molecular mechanisms for signal transduction involving this pathway appear relatively simple.