4 research outputs found
Carbapenemase-producing Enterobacteriaceaein Europe: assessment by national experts from 38 countries, May 2015
European Survey of Carbapenemase-Producing Enterobacteriaceae (EuSCAPE) working group collaborators: Koraqi A, Bino S, Hartl R, Apfalter P, Glupczynski Y, Jans B, Marković T, Dedeić- Ljubović A, Kojić D, Strateva T, Sabtcheva S, Butić I, Andrašević AT, Pieridou-Bagatzouni D, Panayiota M, Hrabák J, Žemličková H, Hammerum AM, Skov R, Ivanova M, Jalava J, Dortet L, Vaux S, Kaase M, Eckmanns T, Vatopoulos A, Giamarellou H, Tóth Á, Kurcz A, Hardarson H, Kristinsson K, Boo TW, Burns K, Carmeli Y, Pantosti A, Kurti A, Raka L, Balode A, Miciulevičienė J, Valintėlienė R, Perrin-Weniger M, Nestorova N, Borg M, Mijović G, Mugosa B, Meessen N, de Greeff S, Samuelsen Ø, Simonsen GS, Żabicka D, Hryniewicz W, Caniça M, Paiva JA, Kaftandzieva A, Memeti S, Damian M, Codita I, Jelesić Z, Stevanovic G, Nikš M, Schréterová E, Pirš M, Kolman J, Oteo J, Campos J, Giske CG, Sjöström K, Gür D, Ekmekci E, Wiuff C, Hopkins K, Woodford N, Cantón R, Friedrich AW, Gniadkowski M, Poirel L, Rossolini GM, Seifert H, Walsh T, Livermore D, Nordmann P.In 2012, the European Centre for Disease Prevention and Control (ECDC) launched the 'European survey of carbapenemase-producing Enterobacteriaceae (EuSCAPE)' project to gain insights into the occurrence and epidemiology of carbapenemase-producing Enterobacteriaceae (CPE), to increase the awareness of the spread of CPE, and to build and enhance the laboratory capacity for diagnosis and surveillance of CPE in Europe. Data collected through a post-EuSCAPE feedback questionnaire in May 2015 documented improvement compared with 2013 in capacity and ability to detect CPE and identify the different carbapenemases genes in the 38 participating countries, thus contributing to their awareness of and knowledge about the spread of CPE. Over the last two years, the epidemiological situation of CPE worsened, in particular with the rapid spread of carbapenem-hydrolysing oxacillinase-48 (OXA-48)- and New Delhi metallo-beta-lactamase (NDM)-producing Enterobacteriaceae. In 2015, 13/38 countries reported inter-regional spread of or an endemic situation for CPE, compared with 6/38 in 2013. Only three countries replied that they had not identified one single case of CPE. The ongoing spread of CPE represents an increasing threat to patient safety in European hospitals, and a majority of countries reacted by establishing national CPE surveillances systems and issuing guidance on control measures for health professionals. However, 14 countries still lacked specific national guidelines for prevention and control of CPE in mid-2015
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Integrated chromosomal and plasmid sequence analyses reveal diverse modes of carbapenemase gene spread among Klebsiella pneumoniae.
Molecular and genomic surveillance systems for bacterial pathogens currently rely on tracking clonally evolving lineages. By contrast, plasmids are usually excluded or analyzed with low-resolution techniques, despite being the primary vectors of antibiotic resistance genes across many key pathogens. Here, we used a combination of long- and short-read sequence data of Klebsiella pneumoniae isolates (n = 1,717) from a European survey to perform an integrated, continent-wide study of chromosomal and plasmid diversity. This revealed three contrasting modes of dissemination used by carbapenemase genes, which confer resistance to last-line carbapenems. First, blaOXA-48-like genes have spread primarily via the single epidemic pOXA-48-like plasmid, which emerged recently in clinical settings and spread rapidly to numerous lineages. Second, blaVIM and blaNDM genes have spread via transient associations of many diverse plasmids with numerous lineages. Third, blaKPC genes have transmitted predominantly by stable association with one successful clonal lineage (ST258/512) yet have been mobilized among diverse plasmids within this lineage. We show that these plasmids, which include pKpQIL-like and IncX3 plasmids, have a long association (and are coevolving) with the lineage, although frequent recombination and rearrangement events between them have led to a complex array of mosaic plasmids carrying blaKPC Taken altogether, these results reveal the diverse trajectories of antibiotic resistance genes in clinical settings, summarized as using one plasmid/multiple lineages, multiple plasmids/multiple lineages, and multiple plasmids/one lineage. Our study provides a framework for the much needed incorporation of plasmid data into genomic surveillance systems, an essential step toward a more comprehensive understanding of resistance spread