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Article Dans Une Revue Nature Communications Année : 2023

The evolution and international spread of extensively drug resistant Shigella sonnei

Lewis Mason
Danielle Ingle
Benjamin Howden
Kate Baker
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Résumé

Shigella sonnei causes shigellosis, a severe gastrointestinal illness that is sexually transmissible among men who have sex with men (MSM). Multidrug resistance in S. sonnei is common including against World Health Organisation recommended treatment options, azithromycin, and ciprofloxacin. Recently, an MSM-associated outbreak of extended-spectrum β-lactamase producing, extensively drug resistant S. sonnei was reported in the United Kingdom. Here, we aimed to identify the genetic basis, evolutionary history, and international dissemination of the outbreak strain. Our genomic epidemiological analyses of 3,304 isolates from the United Kingdom, Australia, Belgium, France, and the United States of America revealed an internationally connected outbreak with a most recent common ancestor in 2018 carrying a low-fitness cost resistance plasmid, previously observed in travel associated sublineages of S. flexneri . Our results highlight the persistent threat of horizontally transmitted antimicrobial resistance and the value of continuing to work towards early and open international sharing of genomic surveillance data.
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hal-04613474 , version 1 (17-06-2024)

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Lewis Mason, David Greig, Lauren Cowley, Sally Partridge, Elena Martinez, et al.. The evolution and international spread of extensively drug resistant Shigella sonnei. Nature Communications, 2023, 14, pp.1983. ⟨10.1038/s41467-023-37672-w⟩. ⟨hal-04613474⟩

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