1. Department of Soil Microbiology and Symbiotic Systems; Estación Experimental del Zaidín, CSIC; Profesor Albareda 1 Granada 18008 Spain
2. Metabolic Integration and Cell Signaling Laboratory; CSIC Associated Unit; Plant Physiology Section; Department of Agricultural and Environmental Sciences; Universitat Jaume I (UJI); Campus del Riu Sec Castellón de la Plana 12071 Spain