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Cited by 182

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Microevolution of Monophasic Salmonella Typhimurium during Epidemic, United Kingdom, 2005–2010

Open access
Petrovska, Liljana, Mather, Alison E., AbuOun, Manal, Branchu, Priscilla, Harris, Simon R., Connor, Thomas, Hopkins, K.L., Underwood, A., Lettini, Antonia A., Page, Andrew, Bagnall, Mary, Wain, John, Parkhill, Julian, Dougan, Gordon, Davies, Robert, Kingsley, Robert A.·2016·Emerging Infectious Diseases

Abstract

Microevolution associated with emergence and expansion of new epidemic clones of bacterial pathogens holds the key to epidemiologic success. To determine microevolution associated with monophasic Salmonella Typhimurium during an epidemic, we performed comparative whole-genome sequencing and phylogenomic analysis of isolates from the United Kingdom and Italy during 2005-2012. These isolates formed a single clade distinct from recent monophasic epidemic clones previously described from North America and Spain. The UK monophasic epidemic clones showed a novel genomic island encoding resistance to heavy metals and a composite transposon encoding antimicrobial drug resistance genes not present in other Salmonella Typhimurium isolates, which may have contributed to epidemiologic success. A remarkable amount of genotypic variation accumulated during clonal expansion that occurred during the epidemic, including multiple independent acquisitions of a novel prophage carrying the sopE gene and multiple deletion events affecting the phase II flagellin locus. This high level of microevolution may affect antigenicity, pathogenicity, and transmission.

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Metadata

Authors
Petrovska, L., Mather, A. E., AbuOun, M., Branchu, P., Harris, S. R., Connor, T., Hopkins, K. L., Underwood, A., Lettini, A. A., Page, A., Bagnall, M., Wain, J., Parkhill, J., Dougan, G., Davies, R., & Kingsley, R. A.
Venue
Emerging Infectious Diseases
Published
2016-04
Volume
22
Issue
4
Pages
617-624
ISSN
  • 1080-6040 (ISSN-L)
  • 1080-6059
OpenAlex
W2300239046
Cited by
182
References
1
FWCI
23.90
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Microevolution of Monophasic Salmonella Typhimurium during Epidemic, United Kingdom, 2005–2010. https://app.cochat.ai/papers/10.3201/eid2204.150531
The paper
Petrovska, L., Mather, A. E., AbuOun, M., Branchu, P., Harris, S. R., Connor, T., Hopkins, K. L., Underwood, A., Lettini, A. A., Page, A., Bagnall, M., Wain, J., Parkhill, J., Dougan, G., Davies, R., & Kingsley, R. A. (2016). Microevolution of Monophasic Salmonella Typhimurium during Epidemic, United Kingdom, 2005–2010. Emerging Infectious Diseases. https://doi.org/10.3201/eid2204.150531

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.