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Plasmid. 2018 Dec 5. pii: S0147-619X(18)30046-5. doi: 10.1016/j.plasmid.2018.12.001. [Epub ahead of print]

Contemporary IncI1 plasmids involved in the transmission and spread of antimicrobial resistance in Enterobacteriaceae.

Author information

1
Department of Infectious Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
2
Department of Infectious Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy. Electronic address: aurora.garciafernandez@iss.it.

Abstract

IncI1 has become one of the most common plasmid families in contemporary Enterobacteriaceae from both human and animal sources. In clinical epidemiology, this plasmid type ranks first as the confirmed vehicle of transmission of extended spectrum beta-lactamase and plasmid AmpC genes in isolates from food-producing animals. In this review, we describe the epidemiology and evolution of IncI1 plasmids and closely related IncIγ plasmids. We highlight the emergence of epidemic plasmids circulating among different bacterial hosts in geographically distant countries, and we address the phylogeny of the IncI1 and IncIγ family based on plasmid Multilocus Sequence Typing.

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