1. The French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institutes for Desert Research; Ben-Gurion University of the Negev; Sede Boqer Campus 84990 Israel
2. Max Planck Institute of Molecular Plant Physiology, Wissenschaftspark Golm; Am Mühlenberg 1 14476 Potsdam - Golm Germany