1. Department of Soil and Plant Microbiology, Estación Experimental del Zaidín, CSIC, Granada, Spain
2. School of Biological Sciences, University of East Anglia, Norwich, UK
3. Genomic Microbiology Program, Centro de Ciencias Genómicas, National Autonomous University of Mexico, Morelos, México
4. Department of Biochemistry and Molecular Biology, Campus Universitario de Rabanales, University of Córdoba, Córdoba, Spain