Confronting Morphogen Gradients: How Important Are They for Growth?

Sci. Signal.  27 Oct 2009:
Vol. 2, Issue 94, pp. pe67
DOI: 10.1126/scisignal.294pe67

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Morphogens are crucial for regulating the patterning and the growth of organs. In the developing fly wing, graded distributions of the morphogens Decapentaplegic and Wingless are essential for tissue patterning, but when it comes to growth, evidence suggests that it may not be so.

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