Dataset Information

OXA-48-Producing Uropathogenic Escherichia coli Sequence Type 127, the Netherlands, 2015-2022.

ABSTRACT: During 2015-2022, a genetic cluster of OXA-48-producing uropathogenic Escherichia coli sequence type 127 spread throughout the Netherlands. The 20 isolates we investigated originated mainly from urine, belonged to Clermont phylotype B2, and carried 18 genes encoding putative uropathogenicity factors. The isolates were susceptible to first-choice antimicrobial drugs for urinary tract infections.

SUBMITTER: Mulder M

PROVIDER: S-EPMC10683799 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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OXA-48-Producing Uropathogenic Escherichia coli Sequence Type 127, the Netherlands, 2015-2022.

Mulder Marlies M Notermans Daan W DW Wielders Cornelia C H CCH Bos Jeroen J Witteveen Sandra S Ganesh Varisha A VA Landman Fabian F de Haan Angela A Schneeberger-van der Linden Caroline C Hendrickx Antoni P A APA

Emerging infectious diseases 20231201 12

During 2015-2022, a genetic cluster of OXA-48-producing uropathogenic Escherichia coli sequence type 127 spread throughout the Netherlands. The 20 isolates we investigated originated mainly from urine, belonged to Clermont phylotype B2, and carried 18 genes encoding putative uropathogenicity factors. The isolates were susceptible to first-choice antimicrobial drugs for urinary tract infections. ...[more]

PMID: 37987600

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Project description:Carbapenem-hydrolysing enzymes belonging to the OXA-48-like group are encoded by blaOXA-48-like alleles and are abundant among Enterobacterales in the Netherlands. Therefore, the objective here was to investigate the characteristics, gene content and diversity of the blaOXA-48-like carrying plasmids and chromosomes of Escherichia coli and Klebsiella pneumoniae collected in the Dutch national surveillance from 2014 to 2019 in comparison with genome sequences from 29 countries. A combination of short-read genome sequencing with long-read sequencing enabled the reconstruction of 47 and 132 complete blaOXA-48-like plasmids for E. coli and K. pneumoniae, respectively. Seven distinct plasmid groups designated as pOXA-48-1 to pOXA-48-5, pOXA-181 and pOXA-232 were identified in the Netherlands which were similar to internationally reported plasmids obtained from countries from North and South America, Europe, Asia and Oceania. The seven plasmid groups varied in size, G+C content, presence of antibiotic resistance genes, replicon family and gene content. The pOXA-48-1 to pOXA-48-5 plasmids were variable, and the pOXA-181 and pOXA-232 plasmids were conserved. The pOXA-48-1, pOXA-48-2, pOXA-48-3 and pOXA-48-5 groups contained a putative conjugation system, but this was absent in the pOXA-48-4, pOXA-181 and pOXA-232 plasmid groups. pOXA-48 plasmids contained the PemI antitoxin, while the pOXA-181 and pOXA-232 plasmids did not. Furthermore, the pOXA-181 plasmids carried a virB2-virB3-virB9-virB10-virB11 type IV secretion system, while the pOXA-48 plasmids and pOXA-232 lacked this system. A group of non-related pOXA-48 plasmids from the Netherlands contained different resistance genes, non-IncL-type replicons or no replicons. Whole genome multilocus sequence typing revealed that the blaOXA-48-like plasmids were found in a wide variety of genetic backgrounds in contrast to chromosomally encoded blaOXA-48-like alleles. Chromosomally localized blaOXA-48 and blaOXA-244 alleles were located on genetic elements of variable sizes and comprised regions of pOXA-48 plasmids. The blaOXA-48-like genetic element was flanked by a direct repeat upstream of IS1R, and was found at multiple locations in the chromosomes of E. coli. Lastly, K. pneumoniae isolates carrying blaOXA-48 or blaOXA-232 were mostly resistant for meropenem, whereas E. coli blaOXA-48, blaOXA-181 and chromosomal blaOXA-48 or blaOXA-244 isolates were mostly sensitive. In conclusion, the overall blaOXA-48-like plasmid population in the Netherlands is conserved and similar to that reported for other countries, confirming global dissemination of blaOXA-48-like plasmids. Variations in size, presence of antibiotic resistance genes and gene content impacted pOXA-48, pOXA-181 and pOXA-232 plasmid architecture.

Dataset Information

OXA-48-Producing Uropathogenic Escherichia coli Sequence Type 127, the Netherlands, 2015-2022.

Publications

OXA-48-Producing Uropathogenic Escherichia coli Sequence Type 127, the Netherlands, 2015-2022.

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