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Contribution of the geneextramacrochaetae to the precise positioning of bristles inDrosophila

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Abstract

We examine the effect of mutations in theextramacrochaetae (emc) gene on the positioning of macrochaetes on the notum ofDrosophila. We show that, inemc mutants, most of the precursor cells appear earlier than in wild-type individuals, consistent with an antagonizing effect ofemc on the action of the proneural genesachaete andscute. We also show that reducingemc function affects the position of three bristles and/or of their precursors, but has no marked effect on the positioning of the other bristles.

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  1. Françoise Huang, Jacques van Helden, Christine Dambly-Chaudière & Alain Ghysen

    Present address: Life Sciences Addition 385, University of California, 94720, Berkeley, CA, USA

Authors and Affiliations

  1. Laboratoire de Neurobiologie, University Libré de Bruxelles, 67 rue des Chevaux, B-1640, Rhode-St-Genèse, Belgium

    Françoise Huang, Jacques van Helden, Christine Dambly-Chaudière & Alain Ghysen

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  1. Françoise Huang
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  2. Jacques van Helden
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  3. Christine Dambly-Chaudière
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  4. Alain Ghysen
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Huang, F., van Helden, J., Dambly-Chaudière, C. et al. Contribution of the geneextramacrochaetae to the precise positioning of bristles inDrosophila . Roux's Arch Dev Biol 204, 336–343 (1995). https://doi.org/10.1007/BF02179502

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  • DOI: https://doi.org/10.1007/BF02179502

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