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Related Experiment Videos

hedgehog and wing development in Drosophila: a morphogen at work?

M Vervoort1

  • 1Evolution et Développement des Protostomien,Centre de Génétique Moléculaire-UMR 2067 CNRS; 1, avenue de la terrasse, F-91198 Gif-sur-Yvette Cedex, France. vervoort@cgm.cnrs-gif.fr

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|May 8, 2000
PubMed
Summary

Hedgehog (Hh) signaling in Drosophila wing development establishes activity gradients for adult wing patterning. Understanding Hh

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Area of Science:

  • Developmental biology
  • Molecular genetics
  • Drosophila melanogaster research

Background:

  • Hedgehog (Hh) signaling is crucial for Drosophila limb development, activating decapentaplegic (dpp).
  • Hh also exhibits Dpp-independent morphogenetic roles in central wing development via iroquois and collier gene activation.

Purpose of the Study:

  • To elucidate how Hedgehog (Hh) forms activity gradients for adult wing patterning.
  • To explore the Dpp-independent functions of Hh in wing morphogenesis.

Main Methods:

  • Analysis of Hh signaling pathways in Drosophila wing development.
  • Investigating the roles of iroquois and collier transcription factors.

Main Results:

  • Detailed description of Hh gradient formation mechanisms.

Related Experiment Videos

  • Demonstration of Hh's morphogen-like functions independent of Dpp.

    • Conclusions:

    • Hedgehog (Hh) signaling gradients are fundamental for Drosophila wing patterning.
    • Insights into Hh's conserved roles in development and disease, including cancer.