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Integrative Biology of Marine Organisms
UMR 7232

Ascidians as model organisms for developmental studies

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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    • New publication (DEEVA group)

      The DEEVA group has just published a paper in BMC Biology!
      Chowdhury, R., Roure, A., le Pétillon, Y. et al. Highly distinct genetic programs for peripheral nervous system formation in chordates. BMC Biol20, 152 (2022). https://doi.org/10.1186/s12915-022-01355-7

    • 1-year engineer contract

      The DEEVA group has a 1-year engineer position available to work on tunic formation during ascidian embryogenesis. More information at CNRS-emploi. Contact: sebastien.darras at obs-banyuls.fr

    • Master 2 internship proposal

      The DEEVA group offers a M2 internship on 'Probing the diversification of developmental mechanisms using ascidian diversity'.

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