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Integrative Biology of Marine Organisms
UMR 7232


Ciona intestinalis embryo at stage 21 genes expression  Ci-KLF1/2/4 et Ci-Msxb

Agnès Roure ©


Research unit of the CNRS and the Sorbonne University (UMR 7232)


  • Director : Hector Escriva (hector.escriva @ obs-banyuls.fr)


  • Administration : Didier Peuzé


Address :

Observatoire Océanologique
1 avenue Pierre Fabre
66650 Banyuls sur mer - France
Tel : +33 (0)

E-mail didier.peuze @ obs-banyuls.fr


The main purpose of the "Integrated Biology of Marine Organisms (BIOM)" research unit is to study, in an evolutionary approach, the mechanisms of development and adaptation of marine organisms. This very general objective is achieved through the use of non-conventional marine model organisms allowing comparative studies complementary to those carried out with more traditional models. This type of approach is based both on the specificities related to the diversity of the organisms studied, but also on the profound unity of the living world which allows comparisons between organisms that are in many cases phylogenetically very distant from each other. 







Michaël Fuentes - 08/02/22

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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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