On August 22nd, an international consortium of more than 30 institutes, under the direction of the Genopole laboratories Inra-URGV (Plant Genomics Research Unit) and Genoscope-CEA, and in association with the CNRS and the University of Évry-Val-d’Essonne, published in the international journal Science a references sequence of Brassica napus, the main oil crop plant in Europe.