1. Cell Biology
  2. Developmental Biology

A feedback mechanism converts individual cell features into a supracellular ECM structure in Drosophila trachea

  1. Arzu Öztürk-Çolak
  2. Bernard Moussian
  3. Sofia J Araujo  Is a corresponding author
  4. Jordi Casanova
  1. Parc Cientific de Barcelona, Spain
  2. University of Tuebingen, Germany
https://doi.org/10.7554/eLife.09373
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  1. Arzu Öztürk-Çolak
  2. Bernard Moussian
  3. Sofia J Araujo
  4. Jordi Casanova
(2016)
A feedback mechanism converts individual cell features into a supracellular ECM structure in Drosophila trachea
eLife 5:e09373.
https://doi.org/10.7554/eLife.09373
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Abstract

The extracellular matrix (ECM), a structure contributed to and commonly shared by many cells in an organism, plays an active role during morphogenesis. Here we used the Drosophila tracheal system to study the complex relationship between the ECM and epithelial cells during development. We show that there is an active feedback mechanism between the apical ECM (aECM) and the apical F-actin in tracheal cells. Furthermore, we reveal that cell-cell junctions are key players in this aECM patterning and organisation and that individual cells contribute autonomously to their aECM. Strikingly, changes in the aECM influence the levels of phosphorylated Src42A (pSrc) at cell junctions. Therefore, we propose that Src42A phosphorylation levels provide a link for the extracellular matrix environment to ensure proper cytoskeletal organisation.

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  1. Arzu Öztürk-Çolak

    Institut de Biologia Molecular de Barcelona, Parc Cientific de Barcelona, Barcelona, Spain
    Competing interests
    The authors declare that no competing interests exist.

  2. Bernard Moussian

    Animal Genetics, Interfaculty Institute for Cell Biology, University of Tuebingen, Tuebingen, Germany
    Competing interests
    The authors declare that no competing interests exist.

  3. Sofia J Araujo

    Institut de Biologia Molecular de Barcelona, Parc Cientific de Barcelona, Barcelona, Spain
    For correspondence
    sarbmc@ibmb.csic.es
    Competing interests
    The authors declare that no competing interests exist.

  4. Jordi Casanova

    Institut de Biologia Molecular de Barcelona, Parc Cientific de Barcelona, Barcelona, Spain
    Competing interests
    The authors declare that no competing interests exist.

Copyright

© 2016, Öztürk-Çolak et al.

This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.

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  1. Arzu Öztürk-Çolak
  2. Bernard Moussian
  3. Sofia J Araujo
  4. Jordi Casanova
(2016)
A feedback mechanism converts individual cell features into a supracellular ECM structure in Drosophila trachea
eLife 5:e09373.
https://doi.org/10.7554/eLife.09373

Share this article

https://doi.org/10.7554/eLife.09373

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