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Independent evolution of striated muscles in cnidarians and bilaterians

Author

Listed:
  • Patrick R. H. Steinmetz

    (Centre for Organismal Systems Biology, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria)

  • Johanna E. M. Kraus

    (Centre for Organismal Systems Biology, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria)

  • Claire Larroux

    (Centre for Marine Science, School of Biological Sciences, The University of Queensland
    Palaeontology & Geobiology, Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 München, Germany)

  • Jörg U. Hammel

    (Institut für Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum, Friedrich-Schiller-Universität Jena, Erbertstraße 1, D-07743 Jena, Germany)

  • Annette Amon-Hassenzahl

    (Institute of Zoology, Technical University of Darmstadt, Schnittspahnstraße 10, 64287 Darmstadt, Germany)

  • Evelyn Houliston

    (Université Pierre et Marie Curie and Centre National de la Recherche Scientifique, Biologie du Développement UMR 7009, 06230 Villefranche-sur-Mer, France)

  • Gert Wörheide

    (Palaeontology & Geobiology, Ludwig-Maximilians-Universität München, Richard-Wagner-Strasse 10, 80333 München, Germany
    GeoBio-Center, Ludwig-Maximilians-Universität München
    Bayerische Staatssammlung für Paläontologie und Geologie)

  • Michael Nickel

    (Institut für Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum, Friedrich-Schiller-Universität Jena, Erbertstraße 1, D-07743 Jena, Germany
    GeoBio-Center, Ludwig-Maximilians-Universität München)

  • Bernard M. Degnan

    (Centre for Marine Science, School of Biological Sciences, The University of Queensland)

  • Ulrich Technau

    (Centre for Organismal Systems Biology, University of Vienna, Althanstraße 14, A-1090 Vienna, Austria)

Abstract

This phylogenomic study shows that core muscle proteins were already present in unicellular organisms before the origin of multicellular animals, and supports a convergent evolutionary model for striated muscles in which new proteins are added to ancient contractile apparatus during independent evolution of bilaterians and some non-bilaterians, resulting in very similar ultrastructures.

Suggested Citation

  • Patrick R. H. Steinmetz & Johanna E. M. Kraus & Claire Larroux & Jörg U. Hammel & Annette Amon-Hassenzahl & Evelyn Houliston & Gert Wörheide & Michael Nickel & Bernard M. Degnan & Ulrich Technau, 2012. "Independent evolution of striated muscles in cnidarians and bilaterians," Nature, Nature, vol. 487(7406), pages 231-234, July.
    • Handle: RePEc:nat:nature:v:487:y:2012:i:7406:d:10.1038_nature11180
    DOI: 10.1038/nature11180
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