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Diverse biological and developmental functions are mediated by signalling through the epidermal growth factor (EGF) receptor. In flies, many different mechanisms are used to control and restrict EGF-R signalling, including ligand processing, ligand variety (an inhibitor as well as activators), transcription and perhaps subcellular localization of the receptor. Since the components of EGF-R signalling have been well conserved, understanding these different modes of receptor regulation in flies should lead to general insights into the strategies of receptor activation.

Original publication




Journal article


Trends Cell Biol

Publication Date





431 - 436