Silent dissemination of colistin-resistant Escherichia coli in South America could contribute to the global spread of the mcr-1 gene

Author:

Fernandes Miriam R1,Moura Quezia2,Sartori Luciana1,Silva Ketrin C3,Cunha Marcos PV3,Esposito Fernanda1,Lopes Ralf2,Otutumi Luciana K4,Gonçalves Daniela D4,Dropa Milena5,Matté Maria H5,Monte Daniel FM6,Landgraf Mariza6,Francisco Gabriela R7,Bueno Maria FC7,de Oliveira Garcia Doroti7,Knöbl Terezinha3,Moreno Andrea M3,Lincopan Nilton12

Affiliation:

1. Department of Clinical Analysis, School of Pharmacy, Universidade de São Paulo, São Paulo, Brazil

2. Department of Microbiology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo, Brazil

3. School of Veterinary Medicine, Universidade de São Paulo, São Paulo, Brazil

4. Department of Veterinary Preventive Medicine, School of Veterinary Medicine, Universidade Paranaense, Paraná, Brazil

5. Public Health Laboratory, School of Public Health, Universidade de São Paulo, São Paulo, Brazil

6. Food and Experimental Nutrition Department, School of Pharmacy & Food Research Center, Universidade de São Paulo, São Paulo, Brazil

7. Center of Bacteriology, Instituto Adolfo Lutz, São Paulo, Brazil

Abstract

During a Brazilian multicentric antimicrobial resistance surveillance study, colistin resistance was investigated in 4,620 Enterobacteriaceae isolated from human, animal, food and environmental samples collected from 2000 to 2016. We present evidence that mcr-1-positive Escherichia coli has been emerging in South America since at least 2012, supporting a previous report on the possible acquisition of mcr-1-harbouring E. coli by European travellers visiting Latin American countries.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

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