Molecular Basis and Evolution of Multiple Drug Resistance in the Foodborne Pathogen Salmonella enterica Serovar Ohio

Abstract

This work has been supported by project FIS PI080656 of the Ministerio de Ciencia e Innovacion, Spain. I.R. is the recipient of a grant from the Fundacion para el Fomento en Asturias de la Investigacion Cientifica Aplicada y la Tecnologia (FICYT-BP04-086). M.R.R. and M.C.M. are members of a research unit associated with the Consejo Superior de Investigaciones Cientificas, Spain. The authors are grateful to M.A. Gonzalez-Hevia and M. Bances (Laboratorio de Salud Publica, Oviedo, Spain) for the isolates used in this work and to them and A. Echeita (Laboratorio Nacional de Referencia de Salmonella y Shigella, Instituto de Salud Carlos III, Madrid, Spain) for providing information on the trends of Salmonella enterica in Asturias and Spain