MCR-2-mediated plasmid-borne polymyxin resistance most likely originates from Moraxella pluranimalium.

Poirel L Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Fribourg, Switzerland.
Kieffer N Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Fribourg, Switzerland.
Fernandez-Garayzabal JF Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense de Madrid, Madrid, Spain.
Vela AI Departamento de Sanidad Animal and Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense de Madrid, Madrid, Spain.
Larpin Y Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Fribourg, Switzerland.
Nordmann P Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Fribourg, Switzerland.