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Int J Syst Evol Microbiol. 2015 Jan;65(Pt 1):15-22. doi: 10.1099/ijs.0.062752-0. Epub 2014 Sep 30.

Novel staphylococcal species that form part of a Staphylococcus aureus-related complex: the non-pigmented Staphylococcus argenteus sp. nov. and the non-human primate-associated Staphylococcus schweitzeri sp. nov.

Author information

1
Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia Wellcome Trust Sanger Institute, Hinxton, Cambridge, UK Steven.Tong@menzies.edu.au.
2
Institute of Medical Microbiology, University Hospital Münster, Münster, Germany.
3
Public Health England, Cambridge, UK.
4
Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland.
5
Public Health England, London, UK.
6
Project Group Epidemiology of Highly Pathogenic Microorganisms, Robert Koch-Institut, Berlin, Germany.
7
Wellcome Trust Sanger Institute, Hinxton, Cambridge, UK.
8
Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia.

Abstract

We define two novel species of the genus Staphylococcus that are phenotypically similar to and have near identical 16S rRNA gene sequences to Staphylococcus aureus. However, compared to S. aureus and each other, the two species, Staphylococcus argenteus sp. nov. (type strain MSHR1132(T) = DSM 28299(T) = SSI 89.005(T)) and Staphylococcus schweitzeri sp. nov. (type strain FSA084(T) = DSM 28300(T) = SSI 89.004(T)), demonstrate: 1) at a whole-genome level considerable phylogenetic distance, lack of admixture, average nucleotide identity <95 %, and inferred DNA-DNA hybridization <70 %; 2) different profiles as determined by MALDI-TOF MS; 3) a non-pigmented phenotype for S. argenteus sp. nov.; 4) S. schweitzeri sp. nov. is not detected by standard nucA PCR; 5) distinct peptidoglycan types compared to S. aureus; 6) a separate ecological niche for S. schweitzeri sp. nov.; and 7) a distinct clinical disease profile for S. argenteus sp. nov. compared to S. aureus.

PMID:
25269845
PMCID:
PMC4298100
DOI:
10.1099/ijs.0.062752-0
[Indexed for MEDLINE]
Free PMC Article

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