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. 1996 Jun 14;272(5268):1621-5.
doi: 10.1126/science.272.5268.1621.

Sending and receiving the hedgehog signal: control by the Drosophila Gli protein Cubitus interruptus

M Domínguez  1 , M Brunner, E Hafen, K Basler
Affiliations

Sending and receiving the hedgehog signal: control by the Drosophila Gli protein Cubitus interruptus

M Domínguez et al. Science. .

Abstract

Drosophila limb development is organized by interactions between anterior and posterior compartment cells. Posterior cells continuously express and require engrailed (en) and secrete Hedgehog (Hh) protein. Anterior cells express the zinc-finger protein Cubitus interruptus (Ci). It is now shown that anterior cells lacking ci express hh and adopt posterior properties without expressing en. Increased levels of Ci can induce the expression of the Hh target gene decapentaplegic (dpp) in a Hh-independent manner. Thus, expression of Ci in anterior cells controls limb development (i) by restricting hh secretion to posterior cells and (ii) by conferring competence to respond to Hh by mediating the transduction of this signal.

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Comment in

  • Gene linked to commonest cancer.
    Pennisi E. Pennisi E. Science. 1996 Jun 14;272(5268):1583-4. doi: 10.1126/science.272.5268.1583. Science. 1996. PMID: 8658128 No abstract available.

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