The gene mcr-1 conferring resistance to last-line antibiotic colistin has been reported globally. Here, we describe the first detection of plasmid-mediated colistin resistance in Russian wildlife, an isolate of Escherichia coli sequence type 2280 from a black kite (Milvus migrans) scavenging raptor. Whole-genome sequencing and plasmid transferability experiments revealed that mcr-1.1 was located on conjugative IncI2 plasmid pDR164 (59891 bp). Migratory black kites may contribute to the global spread of mobile colistin resistance.

Central European Institute of Technology University of Veterinary and Pharmaceutical Sciences Brno Brno Czech Republic

Department of Biology and Wildlife Diseases University of Veterinary and Pharmaceutical Sciences Brno Brno Czech Republic

LLC Sibecocenter Novosibirsk Russia

Shukshin Altai State University for Humanities and Pedagogy Biysk Russia

Technisches Büro für Biologie Deutsch Wagram Austria

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