1. Biochimie et Physiologie Moléculaire des Plantes, UMR 5004 CNRS/386 INRA/SupAgro Montpellier/Université Montpellier, Campus SupAgro-INRA, 34060 Montpellier cedex 2, France
2. Molecular Plant Physiology and Biophysics, Julius-von-Sachs Institute for Biosciences, Biocenter, University of Würzburg, Würzburg D-97082, Germany
3. CIRAD, UMR AGAP, 34398 Montpellier cedex 5, France