Corresponding author 13 Laboratorio de Parasitología, 14 Instituto de Investigación y Análisis Alimentarios, 15 c/ Constantino Candeira s/n, 16 15782, Santiago de Compostela (La Coruña), Spain 17 Tel: +34 981 56 31 00 18 Fax: + 34 881 81 60 27 19 E-mail address: josemanuel.leiro@usc.es 20 21 Copyright © 2013, American Society for Microbiology. All Rights Reserved. Antimicrob. Agents Chemother. ...