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  • Title: MCR-1.6, a New MCR Variant Carried by an IncP Plasmid in a Colistin-Resistant Salmonella enterica Serovar Typhimurium Isolate from a Healthy Individual.
    Author: Lu X, Hu Y, Luo M, Zhou H, Wang X, Du Y, Li Z, Xu J, Zhu B, Xu X, Kan B.
    Journal: Antimicrob Agents Chemother; 2017 May; 61(5):. PubMed ID: 28264851.
    Abstract:
    In this study, we report a novel mcr-1 gene variant, named mcr-1.6, carried by an IncP plasmid in a colistin-resistant Salmonella enterica serovar Typhimurium isolate from a healthy person. Compared with mcr-1, the mcr-1.6 gene contains two single-nucleotide polymorphisms, one of which results in an arginine to histidine variation (Arg536→His). The plasmid carrying the mcr-1.6 gene was designated pMCR1.6_P053 and is similar to a recently discovered mcr-1-bearing plasmid found in Klebsiella pneumoniae.
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