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Erschienen in: European Journal of Clinical Microbiology & Infectious Diseases 8/2020

07.05.2020 | Brief Report

Misidentification of Cutibacterium namnetense as Cutibacterium acnes among clinical isolates by MALDI-TOF VitekMS: usefulness of gyrB sequencing and new player in bone infections

verfasst von: L. Ruffier d’Epenoux, N. Arshad, P. Bémer, M-E. Juvin, G. Le Gargasson, A. Guillouzouic, S. Corvec

Erschienen in: European Journal of Clinical Microbiology & Infectious Diseases | Ausgabe 8/2020

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Abstract

The taxonomy modification of Propionibacterium sp. with the description of new species, especially Cutibacterium namnetense, raises the question of species distribution in routine clinical samples. We performed a retrospective study during 3 years before the implementation of MALDI-TOF. Two hundred sixty-nine isolates were included in the study. MALDI-TOF identification, 16S rRNA, and new developed gyrB partial sequencings were performed. The most representative species was C. acnes in 88% of the cases, regardless of the origin of the clinical sample. Eventually, we identified three C. namnetense strains, representing a 1.1% prevalence over the period of time, including two bone infections. MALDI-TOF databases should be regularly updated to incorporate new species. gyrB sequencing constitutes a both easy and relevant method to identify Cutibacterium sp. especially C. namnetense, a new player in bone infections.
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Metadaten
Titel
Misidentification of Cutibacterium namnetense as Cutibacterium acnes among clinical isolates by MALDI-TOF VitekMS: usefulness of gyrB sequencing and new player in bone infections
verfasst von
L. Ruffier d’Epenoux
N. Arshad
P. Bémer
M-E. Juvin
G. Le Gargasson
A. Guillouzouic
S. Corvec
Publikationsdatum
07.05.2020
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Clinical Microbiology & Infectious Diseases / Ausgabe 8/2020
Print ISSN: 0934-9723
Elektronische ISSN: 1435-4373
DOI
https://doi.org/10.1007/s10096-020-03873-0

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