Whole Genome Sequencing of Danish Staphylococcus argenteus Reveals a Genetically Diverse Collection with Clear Separation from Staphylococcus aureus

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Thomas A. Hansen, Mette D. Bartels, Silje V. Hogh, Lone E. Dons, Michael Pedersen, Thoger G. Jensen, Michael Kemp, Marianne N. Skov, Heidi Gumpert, Peder Worning, Henrik Westh

Staphylococcus argenteus (S. argenteus) is a newly identified Staphylococcus species that has been misidentified as Staphylococcus aureus (S. aureus) and is clinically relevant. We identified 25 S. argenteus genomes in our collection of whole genome sequenced S. aureus. These genomes were compared to publicly available genomes and a phylogeny revealed seven clusters corresponding to seven clonal complexes. The genome of S. argenteus was found to be different from the genome of S. aureus and a core genome analysis showed that ~33% of the total gene pool was shared between the two species, at 90% homology level. An assessment of mobile elements shows flow of SCCmec cassettes, plasmids, phages, and pathogenicity islands, between S. argenteus and S. aureus. This dataset emphasizes that S. argenteus and S. aureus are two separate species that share genetic material.
OriginalsprogEngelsk
Artikelnummer1512
TidsskriftFrontiers in Microbiology
Vol/bind8
Antal sider7
ISSN1664-302X
DOI
StatusUdgivet - 2017

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