About the Authors

Isabelle d'Erfurth, Sylvie Jolivet, Nicole Froger, Mathieu Simon, Eric Jenczewski, Raphaël Mercier
French National Institute for Agricultural Research (INRA), UR254, Versailles, France

Olivier Catrice
National Center for Scientific Research (CNRS), UPR2355, Gif sur Yvette, France

Maria Novatchkova
Research Institute of Molecular Pathology (IMP), Vienna, Austria

Corresponding Author

rmercier@versailles.inra.fr

Competing Interests

A patent has been deposited by INRA on the 8th of July 2008 (Plants producing 2n pollen; 08290672.8).

Author Contributions

Conceived and designed the experiments: IdE EJ RM. Performed the experiments: IdE SJ NF OC MN RM. Analyzed the data: IdE MN EJ RM. Contributed reagents/materials/analysis tools: MS. Wrote the paper: IdE EJ RM.