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Extensive Genetic Commonality among Wildlife, Wastewater, Community, and Nosocomial Isolates of Escherichia coli Sequence Type 131 (H30R1 and H30Rx Subclones) That Carry blaCTX-M-27 or blaCTX-M-15
I. Jamborova, BD. Johnston, I. Papousek, K. Kachlikova, L. Micenkova, C. Clabots, A. Skalova, K. Chudejova, M. Dolejska, I. Literak, JR. Johnson,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem, Research Support, U.S. Gov't, Non-P.H.S.
NLK
Free Medical Journals
od 1972 do Před 6 měsíci
Freely Accessible Science Journals
od 1995 do Před 6 měsíci
PubMed Central
od 1972 do Před 1 rokem
Europe PubMed Central
od 1972 do Před 6 měsíci
Open Access Digital Library
od 1972-01-01
Open Access Digital Library
od 1972-01-01
PubMed
30061277
DOI
10.1128/aac.00519-18
Knihovny.cz E-zdroje
- MeSH
- antibakteriální látky farmakologie MeSH
- beta-laktamasy genetika MeSH
- Escherichia coli účinky léků genetika MeSH
- infekce vyvolané Escherichia coli genetika mikrobiologie MeSH
- infekce získané v komunitě genetika mikrobiologie MeSH
- lidé MeSH
- mnohočetná bakteriální léková rezistence genetika MeSH
- plazmidy genetika MeSH
- proteiny z Escherichia coli genetika MeSH
- pulzní gelová elektroforéza MeSH
- zvířata MeSH
- Check Tag
- lidé MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Research Support, U.S. Gov't, Non-P.H.S. MeSH
Escherichia coli sequence type 131 (ST131) is currently one of the leading causes of multidrug-resistant extraintestinal infections globally. Here, we analyzed the phenotypic and genotypic characteristics of 169 ST131 isolates from various sources (wildlife, wastewater, companion animals, community, and hospitals) to determine whether wildlife and the environment share similar strains with humans, supporting transmission of ST131 between different ecological niches. Susceptibility to 32 antimicrobials was tested by disc diffusion and broth microdilution. Antibiotic resistance genes, integrons, plasmid replicons, 52 virulence genes, and fimH-based subtypes were detected by PCR and DNA sequencing. Genomic relatedness was determined by pulsed-field gel electrophoresis (PFGE). The genetic context and plasmid versus chromosomal location of extended-spectrum beta-lactamase and AmpC beta-lactamase genes was determined by PCR and probe hybridization, respectively. The 169 ST131 study isolates segregated predominantly into blaCTX-M-15H30Rx (60%) and blaCTX-M-27H30R1 (25%) subclones. Within each subclone, isolates from different source groups were categorized into distinct PFGE clusters; genotypic characteristics were fairly well conserved within each major PFGE cluster. Irrespective of source, the blaCTX-M-15H30Rx isolates typically exhibited virotype A (89%), an F2:A1:B- replicon (84%), and a 1.7-kb class 1 integron (92%) and had diverse structures upstream of the blaCTX-M region. In contrast, the blaCTX-M-27H30R1 isolates typically exhibited virotype C (86%), an F1:A2:B20 replicon (76%), and a conserved IS26-ΔISEcp1-blaCTX-M-like structure. Despite considerable overall genetic diversity, our data demonstrate significant commonality between E. coli ST131 isolates from diverse environments, supporting transmission between different sources, including humans, environment, and wildlife.
Citace poskytuje Crossref.org
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- $a Jamborova, Ivana $u Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic jamborovai@vfu.cz. CEITEC, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic.
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- $a Escherichia coli sequence type 131 (ST131) is currently one of the leading causes of multidrug-resistant extraintestinal infections globally. Here, we analyzed the phenotypic and genotypic characteristics of 169 ST131 isolates from various sources (wildlife, wastewater, companion animals, community, and hospitals) to determine whether wildlife and the environment share similar strains with humans, supporting transmission of ST131 between different ecological niches. Susceptibility to 32 antimicrobials was tested by disc diffusion and broth microdilution. Antibiotic resistance genes, integrons, plasmid replicons, 52 virulence genes, and fimH-based subtypes were detected by PCR and DNA sequencing. Genomic relatedness was determined by pulsed-field gel electrophoresis (PFGE). The genetic context and plasmid versus chromosomal location of extended-spectrum beta-lactamase and AmpC beta-lactamase genes was determined by PCR and probe hybridization, respectively. The 169 ST131 study isolates segregated predominantly into blaCTX-M-15H30Rx (60%) and blaCTX-M-27H30R1 (25%) subclones. Within each subclone, isolates from different source groups were categorized into distinct PFGE clusters; genotypic characteristics were fairly well conserved within each major PFGE cluster. Irrespective of source, the blaCTX-M-15H30Rx isolates typically exhibited virotype A (89%), an F2:A1:B- replicon (84%), and a 1.7-kb class 1 integron (92%) and had diverse structures upstream of the blaCTX-M region. In contrast, the blaCTX-M-27H30R1 isolates typically exhibited virotype C (86%), an F1:A2:B20 replicon (76%), and a conserved IS26-ΔISEcp1-blaCTX-M-like structure. Despite considerable overall genetic diversity, our data demonstrate significant commonality between E. coli ST131 isolates from diverse environments, supporting transmission between different sources, including humans, environment, and wildlife.
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