Independent evolution of striated muscles in cnidarians and bilaterians

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 and Ulrich Technau ()
Additional contact information
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
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
Michael Nickel: Institut für Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum, Friedrich-Schiller-Universität Jena, Erbertstraße 1, D-07743 Jena, Germany
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

Nature, 2012, vol. 487, issue 7406, 231-234

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.

Date: 2012
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DOI: 10.1038/nature11180

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