Emergency of the plasmid co-carrying blaKPC-2 and blaNDM-1 genes in carbapenem-resistant hypervirulent Klebsiella pneumoniae
Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved..
BACKGROUND: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is a prevalent issue in China, with its spread primarily attributed to the presence of the plasmid-borne carbapenemase genes, blaKPC and blaNDM. However, instances of plasmids containing both blaKPC-2 and blaNDM-1have never been reported.
METHODS: In this study, the genomic and microbiological characteristics of hybrid plasmids containing both blaKPC-2 and blaNDM-1 were identified in Chinese clinical CRKP isolates by Illumina combined with ONT nanopore sequencing technology.
RESULTS: The newly identified plasmid was formed via IS26-mediated recombination and has been shown to be transferable to Escherichia coli. It substantially elevates the minimum inhibitory concentration (MIC) of meropenem by 4000-fold in E. coli, surpassing the MIC values observed in E. coli strains that carry either blaKPC-2 and blaNDM-1 alone, as previously demonstrated in our study. Notably, the co-occurrence of the KPC-NDM fusion plasmid and a pLVPK-like virulence plasmid was observed in these organisms. In vivo experiments revealed that the isolates harbouring the pLVPK-like virulence plasmid exhibited a significantly higher lethality rate in Galleria mellonella.
CONCLUSIONS: The increased antibiotic resistance brought by this novel fusion plasmid and its accompanying virulence factors pose a serious potential threat to human health and deserve our vigilance.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
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| Enthalten in: |
Journal of global antimicrobial resistance - 36(2024) vom: 21. März, Seite 26-32 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sun, Shijun [VerfasserIn] |
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| Links: |
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| Themen: |
Bla(KPC-2) and bla(NDM-1) |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 25.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jgar.2023.11.008 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 The Author(s). Published by Elsevier Ltd.. All rights reserved. | ||
| 520 | |a BACKGROUND: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is a prevalent issue in China, with its spread primarily attributed to the presence of the plasmid-borne carbapenemase genes, blaKPC and blaNDM. However, instances of plasmids containing both blaKPC-2 and blaNDM-1have never been reported | ||
| 520 | |a METHODS: In this study, the genomic and microbiological characteristics of hybrid plasmids containing both blaKPC-2 and blaNDM-1 were identified in Chinese clinical CRKP isolates by Illumina combined with ONT nanopore sequencing technology | ||
| 520 | |a RESULTS: The newly identified plasmid was formed via IS26-mediated recombination and has been shown to be transferable to Escherichia coli. It substantially elevates the minimum inhibitory concentration (MIC) of meropenem by 4000-fold in E. coli, surpassing the MIC values observed in E. coli strains that carry either blaKPC-2 and blaNDM-1 alone, as previously demonstrated in our study. Notably, the co-occurrence of the KPC-NDM fusion plasmid and a pLVPK-like virulence plasmid was observed in these organisms. In vivo experiments revealed that the isolates harbouring the pLVPK-like virulence plasmid exhibited a significantly higher lethality rate in Galleria mellonella | ||
| 520 | |a CONCLUSIONS: The increased antibiotic resistance brought by this novel fusion plasmid and its accompanying virulence factors pose a serious potential threat to human health and deserve our vigilance | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Carbapenem resistance | |
| 650 | 4 | |a Klebsiella pneumoniae | |
| 650 | 4 | |a Plasmids | |
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| 700 | 1 | |a Wang, Shuyi |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Lin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hui |e verfasserin |4 aut | |
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