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MCR-1 gene in Canada

The discovery that the MCR-1 gene — which makes E. coli and some other species of bacteria resistant to colistin — has been in Canada for at least five years has scientists wondering when it first emerged and how to stop its spread. The existence of the plasmid-mediated colistin resistance, or MCR-1, gene was first reported in November 2015 in the medical journal the Lancet after scientists identified it in E....