Subpopulations of Staphylococcus aureus Clonal Complex 121 Are Associated with Distinct Clinical Entities

Kevin Kurt, Jean Philippe Rasigade, Frederic Laurent, Richard V. Goering, Helena Žemličková, Ivana Machova, Marc J. Struelens, Andreas E. Zautner, Silva Holtfreter, Barbara Bröker, Stephen Ritchie, Sin Reaksmey, Direk Limmathurotsakul, Sharon J. Peacock, Christiane Cuny, Franziska Layer, Wolfgang Witte, Ulrich Nübel

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Abstract

We investigated the population structure of Staphylococcus aureus clonal complex CC121 by mutation discovery at 115 genetic housekeeping loci from each of 154 isolates, sampled on five continents between 1953 and 2009. In addition, we pyro-sequenced the genomes from ten representative isolates. The genome-wide SNPs that were ascertained revealed the evolutionary history of CC121, indicating at least six major clades (A to F) within the clonal complex and dating its most recent common ancestor to the pre-antibiotic era. The toxin gene complement of CC121 isolates was correlated with their SNP-based phylogeny. Moreover, we found a highly significant association of clinical phenotypes with phylogenetic affiliations, which is unusual for S. aureus. All isolates evidently sampled from superficial infections (including staphylococcal scalded skin syndrome, bullous impetigo, exfoliative dermatitis, conjunctivitis) clustered in clade F, which included the European epidemic fusidic-acid resistant impetigo clone (EEFIC). In comparison, isolates from deep-seated infections (abscess, furuncle, pyomyositis, necrotizing pneumonia) were disseminated in several clades, but not in clade F. Our results demonstrate that phylogenetic lineages with distinct clinical properties exist within an S. aureus clonal complex, and that SNPs serve as powerful discriminatory markers, able to identify these lineages. All CC121 genomes harboured a 41-kilobase prophage that was dissimilar to S. aureus phages sequenced previously. Community-associated MRSA and MSSA from Cambodia were extremely closely related, suggesting this MRSA arose in the region.

Original languageEnglish
Article numbere58155
JournalPLoS One
Volume8
Issue number3
DOIs
StatePublished - Mar 7 2013

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Staphylococcus aureus
Genes
Impetigo
Single Nucleotide Polymorphism
Genome
Methicillin-Resistant Staphylococcus aureus
genome
phylogeny
Staphylococcal Scalded Skin Syndrome
Staphylococcus Phages
Pyomyositis
Dermatitis
Fusidic Acid
Furunculosis
Cambodia
Exfoliative Dermatitis
Prophages
Housekeeping
conjunctivitis
Bacteriophages

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Subpopulations of Staphylococcus aureus Clonal Complex 121 Are Associated with Distinct Clinical Entities. / Kurt, Kevin; Rasigade, Jean Philippe; Laurent, Frederic; Goering, Richard V.; Žemličková, Helena; Machova, Ivana; Struelens, Marc J.; Zautner, Andreas E.; Holtfreter, Silva; Bröker, Barbara; Ritchie, Stephen; Reaksmey, Sin; Limmathurotsakul, Direk; Peacock, Sharon J.; Cuny, Christiane; Layer, Franziska; Witte, Wolfgang; Nübel, Ulrich.

In: PLoS One, Vol. 8, No. 3, e58155, 07.03.2013.

Research output: Contribution to journalArticle

Kurt, K, Rasigade, JP, Laurent, F, Goering, RV, Žemličková, H, Machova, I, Struelens, MJ, Zautner, AE, Holtfreter, S, Bröker, B, Ritchie, S, Reaksmey, S, Limmathurotsakul, D, Peacock, SJ, Cuny, C, Layer, F, Witte, W & Nübel, U 2013, 'Subpopulations of Staphylococcus aureus Clonal Complex 121 Are Associated with Distinct Clinical Entities', PLoS One, vol. 8, no. 3, e58155. https://doi.org/10.1371/journal.pone.0058155
Kurt, Kevin ; Rasigade, Jean Philippe ; Laurent, Frederic ; Goering, Richard V. ; Žemličková, Helena ; Machova, Ivana ; Struelens, Marc J. ; Zautner, Andreas E. ; Holtfreter, Silva ; Bröker, Barbara ; Ritchie, Stephen ; Reaksmey, Sin ; Limmathurotsakul, Direk ; Peacock, Sharon J. ; Cuny, Christiane ; Layer, Franziska ; Witte, Wolfgang ; Nübel, Ulrich. / Subpopulations of Staphylococcus aureus Clonal Complex 121 Are Associated with Distinct Clinical Entities. In: PLoS One. 2013 ; Vol. 8, No. 3.
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