Affiliation: | 1Spanish-Portuguese Center of Agricultural Research (CIALE), Department of Microbiology and Genetics, University of Salamanca, Edificio Departamental lab 208, Plaza Doctores de la Reina s/n, ES-37007 Salamanca, Spain. 2Center for Basic Research, Merck, Sharp & Dohme de Espana S. A., Calle Josefa Valcarcel 38, ES-28027 Madrid, Spain. 3University of Leon, Campus of Ponferrada, Superior and Technical Universitary School of Agricultural Engineers, Area of Microbiology, Avda. Astorga s/n, ES 24400 Ponferrada, Spain. |