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Aubin, Guillaume Ghislain; Lavigne, Jean-Philippe; Foucher, Yohan; Dellière, Sarah; Lepelletier, Didier; Gouin, François; Corvec, Stéphane
Anaerobe, October 2017, 2017-Oct, 2017-10-00, 20171001, 2017-10, Letnik: 47Journal Article
The recognition of the pathogenicity of Cutibacterium acnes in implant-associated infection is not always obvious. In this paper, we aimed to distinguish pathogenic and non-pathogenic C. acnes isolates. To reach this goal, we investigated the clonal complex (CC) of a large collection of C. acnes clinical isolates through Multi-Locus Sequence Typing (MLST), we established a Caenorhabditis elegans model to assess C. acnes virulence and we investigated the presence of virulence factors in our collection. Ours results showed that CC36 and CC53 C. acnes isolates were more frequently observed in prosthetic joint infections (PJI) than CC18 and CC28 C. acnes isolates (p = 0.021). The C. elegans model developed here showed two distinct virulence groups of C. acnes (p < 0.05). These groups were not correlated to CC or clinical origin. Whole genome sequencing allowed us to identify a putative gene linked to low virulent strains. In conclusion, MLST remains a good method to screen pathogenic C. acnes isolates according to their clinical context but mechanisms of C. acnes virulence need to be assess thought transcriptomic analysis to investigate regulatory process. •C. acnes isolates belonging to clonal complexes (CC) 36 and CC53 are linked to prosthetic joint infections.•C. acnes isolates exhibit two distinct virulence behaviours not linked to CC or clinical origin.•C. elegans a useful model to assess the virulence of C. acnes.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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