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Integrative Biology of Marine Organisms
UMR 7232



Developmental biology


Contact Informations

Phone : 33 (4) 30 19 24 84
Mail(s) : lepetillon@obs-banyuls.fr

Function and attachment

Post-doc (CNRS).

Ventral peripheral nervous system formation in ascidian and amphioxus.


  • Master SCMV (Rennes1)
  • PhD: UPMC, Laboratoire Biologie Intégrative des Organismes Marins, UMR7232 (Banyuls-sur-mer). Team "Evolution et dévelopment des chordés".
  • Post-doc: Academia Sinica, ICOB (Taiwan). Team "Research Group of Development and Evolution".



Bertrand S, Le Petillon Y, Somorjai I, Escriva H.

Developmental cell-cell communication pathways in the cephalochordate amphioxus: actors and functions. (Review paper)

Int J Dev Biol, Accepted.


Le Petillon Y, Luxardi G, Scerbo P, Cibois M, Leon A, Subirana L, Irimia M, Kodjabachian L, Escriva H, Bertrand S. (2017)

Nodal/Activin Pathway is a Conserved Neural Induction Signal in Chordates.

Nat Ecol Evol. 8, 1192-1200


Huang S, Tao X, Yuan S, Zhang Y, Li P, Beilinson HA, Zhang Y, Yu W, Pontarotti P, Escriva H, Le Petillon Y, Liu X, Chen S, Schatz DG, Xu A. (2016)

Discovery of an Active RAG Transposon Illuminates the Origins of V(D)J Recombination.

Cell. 166, 102-114.


Lecroisey C, Le Pétillon Y, Escriva H, Lammert E, Laudet V. (2015)

Identification, evolution and expression of an insulin-like peptide in the cephalochordate Branchiostoma lanceolatum.

PLoS One. 10, e0119461.


Le Petillon Y, Oulion S, Escande ML, Escriva H, Bertrand S. (2013)

Identification and expression analysis of BMP signaling inhibitors genes of the DAN family in amphioxus.

Gene Expr Patterns. 13, 377-83.


Oulion S, Bertrand S, Belgacem MR, Le Petillon Y, Escriva H. (2012)

Sequencing and analysis of the Mediterranean amphioxus (Branchiostoma lanceolatum) transcriptome.

PLoS One 7, e36554.


Dupé V, Rochard L, Mercier S, Le Petillon Y, Gicquel I, Bendavid C, Bourrouillou G, Kini U, Thauvin-Robinet C, Bohan TP, Odent S, Dubourg C, David V. (2010)

NOTCH, a new signaling pathway implicated in holoprosencephaly.

Hum Mol Genet. 20, 1122-31.



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