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Differential lateral and basal tension drive folding of Drosophila wing discs through two distinct mechanisms

Author

Listed:
  • Liyuan Sui

    (Technische Universität Dresden)

  • Silvanus Alt

    (Max Planck Institute for the Physics of Complex Systems
    The Francis Crick Institute
    Max-Delbrück-Center for Molecular Medicine)

  • Martin Weigert

    (Center for Systems Biology Dresden (CSBD)
    Max Planck Institute of Molecular Cell Biology and Genetics)

  • Natalie Dye

    (Max Planck Institute of Molecular Cell Biology and Genetics)

  • Suzanne Eaton

    (Max Planck Institute of Molecular Cell Biology and Genetics
    Technische Universität Dresden)

  • Florian Jug

    (Center for Systems Biology Dresden (CSBD)
    Max Planck Institute of Molecular Cell Biology and Genetics)

  • Eugene W. Myers

    (Center for Systems Biology Dresden (CSBD)
    Max Planck Institute of Molecular Cell Biology and Genetics
    Technische Universität Dresden)

  • Frank Jülicher

    (Max Planck Institute for the Physics of Complex Systems
    Center for Systems Biology Dresden (CSBD))

  • Guillaume Salbreux

    (Max Planck Institute for the Physics of Complex Systems
    The Francis Crick Institute)

  • Christian Dahmann

    (Technische Universität Dresden)

Abstract

Epithelial folding transforms simple sheets of cells into complex three-dimensional tissues and organs during animal development. Epithelial folding has mainly been attributed to mechanical forces generated by an apically localized actomyosin network, however, contributions of forces generated at basal and lateral cell surfaces remain largely unknown. Here we show that a local decrease of basal tension and an increased lateral tension, but not apical constriction, drive the formation of two neighboring folds in developing Drosophila wing imaginal discs. Spatially defined reduction of extracellular matrix density results in local decrease of basal tension in the first fold; fluctuations in F-actin lead to increased lateral tension in the second fold. Simulations using a 3D vertex model show that the two distinct mechanisms can drive epithelial folding. Our combination of lateral and basal tension measurements with a mechanical tissue model reveals how simple modulations of surface and edge tension drive complex three-dimensional morphological changes.

Suggested Citation

  • Liyuan Sui & Silvanus Alt & Martin Weigert & Natalie Dye & Suzanne Eaton & Florian Jug & Eugene W. Myers & Frank Jülicher & Guillaume Salbreux & Christian Dahmann, 2018. "Differential lateral and basal tension drive folding of Drosophila wing discs through two distinct mechanisms," Nature Communications, Nature, vol. 9(1), pages 1-13, December.
  • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06497-3
    DOI: 10.1038/s41467-018-06497-3
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    Cited by:

    1. Aurélien Villedieu & Lale Alpar & Isabelle Gaugué & Amina Joudat & François Graner & Floris Bosveld & Yohanns Bellaïche, 2023. "Homeotic compartment curvature and tension control spatiotemporal folding dynamics," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    2. Stefan Harmansa & Alexander Erlich & Christophe Eloy & Giuseppe Zurlo & Thomas Lecuit, 2023. "Growth anisotropy of the extracellular matrix shapes a developing organ," Nature Communications, Nature, vol. 14(1), pages 1-16, December.

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