Genomic analysis of the international high-risk clonal lineage Klebsiella pneumoniae sequence type 395
© 2023. The Author(s)..
BACKGROUND: Klebsiella pneumoniae, which is frequently associated with hospital- and community-acquired infections, contains multidrug-resistant (MDR), hypervirulent (hv), non-MDR/non-hv as well as convergent representatives. It is known that mostly international high-risk clonal lineages including sequence types (ST) 11, 147, 258, and 307 drive their global spread. ST395, which was first reported in the context of a carbapenemase-associated outbreak in France in 2010, is a less well-characterized, yet emerging clonal lineage.
METHODS: We computationally analyzed a large collection of K. pneumoniae ST395 genomes (n = 297) both sequenced in this study and reported previously. By applying multiple bioinformatics tools, we investigated the core-genome phylogeny and evolution of ST395 as well as distribution of accessory genome elements associated with antibiotic resistance and virulence features.
RESULTS: Clustering of the core-SNP alignment revealed four major clades with eight smaller subclades. The subclades likely evolved through large chromosomal recombination, which involved different K. pneumoniae donors and affected, inter alia, capsule and lipopolysaccharide antigen biosynthesis regions. Most genomes contained acquired resistance genes to extended-spectrum cephalosporins, carbapenems, and other antibiotic classes carried by multiple plasmid types, and many were positive for hypervirulence markers, including the siderophore aerobactin. The detection of "hybrid" resistance and virulence plasmids suggests the occurrence of the convergent ST395 pathotype.
CONCLUSIONS: To the best of our knowledge, this is the first study that investigated a large international collection of K. pneumoniae ST395 genomes and elucidated phylogenetics and detailed genomic characteristics of this emerging high-risk clonal lineage.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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Enthalten in: |
Genome medicine - 15(2023), 1 vom: 13. Feb., Seite 9 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Shaidullina, Elvira R [VerfasserIn] |
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Links: |
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Anmerkungen: |
Date Completed 23.02.2023 Date Revised 02.03.2023 published: Electronic Citation Status MEDLINE |
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doi: |
10.1186/s13073-023-01159-6 |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM352915641 |
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245 | 1 | 0 | |a Genomic analysis of the international high-risk clonal lineage Klebsiella pneumoniae sequence type 395 |
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500 | |a Date Revised 02.03.2023 | ||
500 | |a published: Electronic | ||
500 | |a Citation Status MEDLINE | ||
520 | |a © 2023. The Author(s). | ||
520 | |a BACKGROUND: Klebsiella pneumoniae, which is frequently associated with hospital- and community-acquired infections, contains multidrug-resistant (MDR), hypervirulent (hv), non-MDR/non-hv as well as convergent representatives. It is known that mostly international high-risk clonal lineages including sequence types (ST) 11, 147, 258, and 307 drive their global spread. ST395, which was first reported in the context of a carbapenemase-associated outbreak in France in 2010, is a less well-characterized, yet emerging clonal lineage | ||
520 | |a METHODS: We computationally analyzed a large collection of K. pneumoniae ST395 genomes (n = 297) both sequenced in this study and reported previously. By applying multiple bioinformatics tools, we investigated the core-genome phylogeny and evolution of ST395 as well as distribution of accessory genome elements associated with antibiotic resistance and virulence features | ||
520 | |a RESULTS: Clustering of the core-SNP alignment revealed four major clades with eight smaller subclades. The subclades likely evolved through large chromosomal recombination, which involved different K. pneumoniae donors and affected, inter alia, capsule and lipopolysaccharide antigen biosynthesis regions. Most genomes contained acquired resistance genes to extended-spectrum cephalosporins, carbapenems, and other antibiotic classes carried by multiple plasmid types, and many were positive for hypervirulence markers, including the siderophore aerobactin. The detection of "hybrid" resistance and virulence plasmids suggests the occurrence of the convergent ST395 pathotype | ||
520 | |a CONCLUSIONS: To the best of our knowledge, this is the first study that investigated a large international collection of K. pneumoniae ST395 genomes and elucidated phylogenetics and detailed genomic characteristics of this emerging high-risk clonal lineage | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a Research Support, Non-U.S. Gov't | |
650 | 4 | |a Carbapenem resistance | |
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700 | 1 | |a Rohde, Thomas |e verfasserin |4 aut | |
700 | 1 | |a Shapovalova, Valeria V |e verfasserin |4 aut | |
700 | 1 | |a Dyachkova, Marina S |e verfasserin |4 aut | |
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700 | 1 | |a Idelevich, Evgeny A |e verfasserin |4 aut | |
700 | 1 | |a Heiden, Stefan E |e verfasserin |4 aut | |
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700 | 1 | |a Guenther, Sebastian |e verfasserin |4 aut | |
700 | 1 | |a Zautner, Andreas E |e verfasserin |4 aut | |
700 | 1 | |a Bohnert, Jürgen A |e verfasserin |4 aut | |
700 | 1 | |a Mardanova, Ayslu M |e verfasserin |4 aut | |
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