Evidence map›Paper›PMID 36658655›Full record

ArticleGenome medicine2023

Large-scale genomic analysis of global Klebsiella pneumoniae plasmids reveals multiple simultaneous clusters of carbapenem-resistant hypervirulent strains.

Anton Spadar, João Perdigão, Susana Campino, Taane G Clark

Open access · goldAbstract read
In one paragraph

Article in Genome medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed, 1 pooled it
5.6field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

50 citing papers in PubMed, 1 synthesis or guideline pooled it, 57 citations in OpenAlex.

  1. A systematic review of hypervirulentFrontiers in medicine · 2025
    Pooled it
  2. Emergence of carbapenem-resistant putative hypervirulentEmerging microbes & infections · 2026
    Article
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  10. Genomic analysis ofbioRxiv : the preprint server for biology · 2026
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  17. Hypervirulent and Drug-ResistantInternational journal of general medicine · 2026
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

Anton SpadarFaculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.ORCID 0000-0002-1548-1121
João PerdigãoResearch Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal.
Susana CampinoFaculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK.
Taane G ClarkFaculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK. taane.clark@lshtm.ac.uk.
London School of Hygiene & Tropical Medicine · GBUniversity of Lisbon · PT

Funding

Medical Research Council MR/M01360X/1Medical Research Council MR/N010469/1Medical Research Council MR/R020973/1Medical Research Council MR/R025576/1Medical Research Council MR/X005895/1
6 · The paper itself

Abstract

backgroundKlebsiella pneumoniae (Kp) Gram-negative bacteria cause nosocomial infections and rapidly acquire antimicrobial resistance (AMR), which makes it a global threat to human health. It also has a comparatively rare hypervirulent phenotype that can lead to severe disease in otherwise healthy individuals. Unlike classic Kp, canonical hypervirulent strains usually have limited AMR. However, after initial case reports in 2015, carbapenem-resistant hypervirulent Kp has increased in prevalence, including in China, but there is limited understanding of its burden  in other geographical regions.

methodsHere, we examined the largest collection of publicly available sequenced Kp isolates (n=13,178), containing 1603 different sequence types (e.g. ST11 15.0%, ST258 9.5%), and 2174 (16.5%) hypervirulent strains. We analysed the plasmid replicons and carbapenemase and siderophore encoding genes to understand the movement of hypervirulence and AMR genes located on plasmids, and their convergence in carbapenem-resistant hypervirulent Kp.

resultsWe identified and analysed 3034 unique plasmid replicons to inform the epidemiology and transmission dynamics of carbapenem-resistant hypervirulent Kp (n=1028, 7.8%). We found several outbreaks globally, including one involving ST11 strains in China and another of ST231 in Asia centred on India, Thailand, and Pakistan. There was evidence of global flow of Kp, including across multiple continents. In most cases, clusters of Kp isolates are the result of hypervirulence genes entering classic strains, instead of carbapenem resistance genes entering canonical hypervirulent ones.

conclusionsOur analysis demonstrates the importance of plasmid analysis in the monitoring of carbapenem-resistant and hypervirulent strains of Kp. With the growing adoption of omics-based technologies for clinical and surveillance applications, including in geographical regions with gaps in data and knowledge (e.g. sub-Saharan Africa), the identification of the spread of AMR will inform infection control globally.

Indexed as

CarbapenemsKlebsiella InfectionsAnti-Bacterial Agentsbeta-LactamasesGenomicsHumansKlebsiella pneumoniaePlasmidsVirulenceAnti-Bacterial Agentsbeta-LactamasesCarbapenemsAMRCarbapenemHypervirulenceKlebsiella

Identifiers

PMID36658655
PMCPMC9850321
OpenAlexW4317425959

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.