Advertisement
Research Article

Concatenated Analysis Sheds Light on Early Metazoan Evolution and Fuels a Modern “Urmetazoon” Hypothesis

  • Bernd Schierwater mail,

    To whom correspondence should be addressed. E-mail: bernd.schierwater@ecolevol.de

    Affiliations: ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany, Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America, Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America

    X
  • Michael Eitel,

    Affiliation: ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany

    X
  • Wolfgang Jakob,

    Affiliation: ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany

    X
  • Hans-Jürgen Osigus,

    Affiliation: ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany

    X
  • Heike Hadrys,

    Affiliation: ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany

    X
  • Stephen L Dellaporta,

    Affiliation: Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America

    X
  • Sergios-Orestis Kolokotronis,

    Affiliation: Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America

    X
  • Rob DeSalle

    Affiliation: Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America

    X
  • Published: January 27, 2009
  • DOI: 10.1371/journal.pbio.1000020

About the Authors

Bernd Schierwater, Michael Eitel, Wolfgang Jakob, Hans-Jürgen Osigus, Heike Hadrys
ITZ, Ecology and Evolution, Tierärztliche Hochschule Hannover, Hannover, Germany
Bernd Schierwater, Stephen L Dellaporta
Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America
Bernd Schierwater, Sergios-Orestis Kolokotronis, Rob DeSalle
Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America

Corresponding Author

Email: bernd.schierwater@ecolevol.de

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

BS contributed to data collection and analyses, developed the “new placula hypothesis” and together with RD designed the study. ME, WJ, HJO, HH, and SD collected and analyzed data. SOK and RD performed the phylogenetic analyses. RD and BS coordinated the phylogenetic discussion. All authors contributed to data interpretation and writing.