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Abstract
This Podcast features a conversation with the authors of a Research Article published in the 4 March 2011 issue of Science. Marcos González-Gaitán and Frank Jülicher discuss their mathematical description of how the graded concentration of the morphogen Dpp induces homogeneous cellular proliferation across the fly wing and haltere imaginal discs. They propose a mechanism by which changes in activation of the Dpp signaling pathway over time account for the observed growth of discs.
