1. Unité Mixte de Recherches 1136 INRA UHP (Interaction Arbres Microorganismes), IFR 110 Génomique Ecophysiologie et Ecologie Fonctionnelles, Université Henri Poincaré, Vandoeuvre, France.
2. Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, Umeå, Sweden.
3. Umeå Plant Science Centre, Department of Plant Physiology, Umeå University, Umeå, Sweden.
4. Laboratoire Mixte Centre National de la Recherche Scientifique/Bayer CropScience, Lyon, France.
5. University of Bielefeld, Department of Plant Physiology and Biochemistry/W5, Bielefeld, Germany.