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Integrative Biology of Marine Organisms
UMR 7232

Our team has been created in spring 2012. We are interested in the cellular and molecular control of ascidian embryogenesis. Ascidians (or sea squirts) belong to the tunicates, and together with vertebrates and cephalochordates (amphioxus) constitute the chordates that share the same basic body plan characterized by a notochord and a dorsal hollow nerve cord. Given its morphological simplicity, its compact genome and powerful tools for molecular embryology and functional genomics, one ascidian species, Ciona intestinalis, has emerged as an attractive model system for reconstructing the gene regulatory networks (GRNs) controlling development.


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    • Welcome to Niels!

      We will host Niels RAPINEL in the lab during 6 months for his Master 2 internship.

    • New publication (group 2)

      Sébastien Darras and his colleagues from USA have just published a paper on the role of canonical Wnt signalling in regulating antero-posterior axis during the development of the hemichordate Saccoglossus kowalevskii.CNRS website (in French) and PLoS Biology website. Check out our Behindthe paper post (Nature Ecology&Evolution community blog).

    • New publication (group 2)

      We have participated in a collaboration with the group of F. Viard (Roscoff marine station) on species delineation within the genus Ciona. The work is now published in Scientific Reports.

    • Welcome to Yann and Rafath!

      Since February 1st 2018, we host 2 new members in the group:
      - Yann LE PETILLON, post-doc
      - Rafath CHOWDHURY, PhD student
      Both of them will work on the VentralPNS project supported by the ANR.

    • Welcome to Aurélie!

      We will host Aurélie BOUIN in the lab during 2.5 months for her Master 1 internship.

    • New publication (group 2)

      We have contributed to the paper Convergent acquisition of non-embryonic development in styelid ascidians that has just been published in Molecular Biology and Evolution.

    • New publication (group 2)

      Our team has recently published a paper on the role of canonical Wnt signaling in antero-posterio ectoderm patterning during the embryogeneis of the ascidian Ciona intestinalis. Link to the paper on the PLOS Genetics website.

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