Stoesser, N;
Sheppard, AE;
Peirano, G;
Anson, LW;
Pankhurst, L;
Sebra, R;
Phan, HTT;
... Pitout, JD; + view all
(2017)
Genomic epidemiology of global Klebsiella pneumoniae carbapenemase (KPC)-producing Escherichia coli.
Scientific Reports
, 7
, Article 5917. 10.1038/s41598-017-06256-2.
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Abstract
The dissemination of carbapenem resistance in Escherichia coli has major implications for the management of common infections. blaKPC, encoding a transmissible carbapenemase (KPC), has historically largely been associated with Klebsiella pneumoniae, a predominant plasmid (pKpQIL), and a specific transposable element (Tn4401, ~10 kb). Here we characterize the genetic features of blaKPC emergence in global E. coli, 2008–2013, using both long- and short-read whole-genome sequencing. Amongst 43/45 successfully sequenced blaKPC-E. coli strains, we identified substantial strain diversity (n = 21 sequence types, 18% of annotated genes in the core genome); substantial plasmid diversity (≥9 replicon types); and substantial blaKPC-associated, mobile genetic element (MGE) diversity (50% not within complete Tn4401 elements). We also found evidence of inter-species, regional and international plasmid spread. In several cases blaKPC was found on high copy number, small Col-like plasmids, previously associated with horizontal transmission of resistance genes in the absence of antimicrobial selection pressures. E. coli is a common human pathogen, but also a commensal in multiple environmental and animal reservoirs, and easily transmissible. The association of blaKPC with a range of MGEs previously linked to the successful spread of widely endemic resistance mechanisms (e.g. blaTEM, blaCTX-M) suggests that it may become similarly prevalent.
| Type: | Article |
|---|---|
| Title: | Genomic epidemiology of global Klebsiella pneumoniae carbapenemase (KPC)-producing Escherichia coli |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1038/s41598-017-06256-2 |
| Publisher version: | http://doi.org/10.1038/s41598-017-06256-2 |
| Language: | English |
| Additional information: | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
| Keywords: | Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, SEQUENCE TYPE 131, ACINETOBACTER-BAUMANNII, CLINICAL ISOLATE, BETA-LACTAMASE, PUERTO-RICO, PLASMIDS, EMERGENCE, ENTEROBACTERIACEAE, BLA(KPC), RESISTANCE |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology > MRC Clinical Trials Unit at UCL |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1559360 |
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