Complete and assembled genome sequence of an NDM-5- and CTX-M-15-producing Escherichia coli sequence type 617 isolated from wastewater in Switzerland

Journal of Global Antimicrobial Resistance
Katrin ZurfluhMagdalena Nüesch-Inderbinen

Abstract

Carbapenem-resistant Escherichia coli have emerged worldwide and represent a major challenge to effective healthcare management. Here we report the genome sequence of an NDM-5- and CTX-M-15-producing E. coli belonging to sequence type 617 isolated from wastewater treatment plant effluent in Switzerland. Whole-genome sequencing of E. coli 657SK2 was performed using Pacific Biosciences (PacBio) single-molecule real-time (SMRT) technology RS2 reads (C4/P6 chemistry). De novo assembly was carried out using Canu 1.6, and sequences were annotated using the NCBI Prokaryotic Genome Annotation Pipeline (PGAP). The genome of E. coli 657SK2 consists of a 4.9-Mbp chromosome containing blaCTX-M-15, genes associated with virulence [fyuA, hlyE, the pyelonephritis-associated pili (pap) gene cluster and the yad gene cluster], the copper resistance gene pco, and genes associated with resistance to quaternary ammonium compound (QAC) disinfectants (emrA, mdfA and sugE). A 173.9-kb multidrug resistance IncFII-FIA-FIB plasmid was detected harbouring aadA2, aadA5, blaNDM-5, blaOXA-1, cat, drfA, drfA17, the mph(A)-mrx-mphR cluster, the tetA-tetC-tetR cluster, and the virulence genes iutA and ylpA. The genome sequence of E. coli 657SK2 provides informa...Continue Reading

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