1. Department of Soil Microbiology and Symbiotic Systems; Estación Experimental del Zaidín (EEZ-CSIC); Granada Spain
2. Department of Biochemistry, Cell and Molecular Biology of Plants; Estación Experimental del Zaidín (EEZ-CSIC); Granada Spain
3. Department of Biology; Facultad de Ciencias; Universidad Autónoma de Madrid; Madrid Spain