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The deuterostome context of chordate origins

Author

Listed:
  • Christopher J. Lowe

    (Hopkins Marine Station, Stanford University)

  • D. Nathaniel Clarke

    (Hopkins Marine Station, Stanford University)

  • Daniel M. Medeiros

    (University of Colorado)

  • Daniel S. Rokhsar

    (Berkeley 142 Life Sciences Addition 3200
    Okinawa Institute of Science and Technology 1919-1 Tancha
    Department of Energy Joint Genome Institute)

  • John Gerhart

    (Berkeley 142 Life Sciences Addition 3200)

Abstract

Our understanding of vertebrate origins is powerfully informed by comparative morphology, embryology and genomics of chordates, hemichordates and echinoderms, which together make up the deuterostome clade. Striking body-plan differences among these phyla have historically hindered the identification of ancestral morphological features, but recent progress in molecular genetics and embryology has revealed deep similarities in body-axis formation and organization across deuterostomes, at stages before morphological differences develop. These developmental genetic features, along with robust support of pharyngeal gill slits as a shared deuterostome character, provide the foundation for the emergence of chordates.

Suggested Citation

  • Christopher J. Lowe & D. Nathaniel Clarke & Daniel M. Medeiros & Daniel S. Rokhsar & John Gerhart, 2015. "The deuterostome context of chordate origins," Nature, Nature, vol. 520(7548), pages 456-465, April.
    • Handle: RePEc:nat:nature:v:520:y:2015:i:7548:d:10.1038_nature14434
    DOI: 10.1038/nature14434
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    Cited by:

    1. Alice M. H. Bedois & Hugo J. Parker & Andrew J. Price & Jason A. Morrison & Marianne E. Bronner & Robb Krumlauf, 2024. "Sea lamprey enlightens the origin of the coupling of retinoic acid signaling to vertebrate hindbrain segmentation," Nature Communications, Nature, vol. 15(1), pages 1-19, December.

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