Chicken Meat as a Reservoir of Colistin-Resistant Escherichia coli Strains Carrying mcr-1 Genes in South America

• DOI: 10.1128/aac.02718-16
• Publication Date: 2017-02-14T01:55:24Z
• Authors: Daniel Farias Monte; Andressa Mem; Miriam R. Fernandes; Louise Cerdeira; Fernanda Esposito; Julia A. Galvão; Bernadette D. G. ...; Nilton Lincopan; Mariza Landgraf
• Keywords: MCR-1; Colistin

ABSTRACT The detection and rapid spread of colistin-resistant Enterobacteriaceae carrying the mcr-1 gene has created an urgent need to strengthen surveillance. In this study, eight clonally unrelated Escherichia coli isolates bla CTX-M or CMY-2 genes were isolated from commercial chicken meat in Brazil. Most E. strains carried IncX4 plasmids, previously identified human animal isolates. These results highlight a new reservoir -harboring South America.