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Abstract: Corynebacterium striatum is a nosocomial opportunistic pathogen increasingly associated with a wide range of human infections and is often resistant to several antibiotics. We investigated the susceptibility of 63 C. striatum isolated at the Farhat-Hached hospital, Sousse (Tunisia), during the period 2011?2014, to a panel of 16 compounds belonging to the main clinically relevant classes of antimicrobial agents. All strains were susceptible to vancomycin, linezolid, and daptomycin. Amikacin and gentamicin also showed good activity (MICs90 = 1 and 2 mg/L, respectively). High rates of resistance to penicillin (82.5%), clindamycin (79.4%), cefotaxime (60.3%), erythromycin (47.6%), ciprofloxacin (36.5%), moxifloxacin (34.9%), and rifampicin (25.4%) were observed. Fifty-nine (93.7%) out of the 63 isolates showed resistance to at least one compound and 31 (49.2%) were multidrug-resistant. Twenty-nine resistance profiles were distinguished among the 59 resistant C. striatum. Most of the strains resistant to fluoroquinolones showed a double mutation leading to an amino acid change in positions 87 and 91 in the quinolone resistance-determining region of the gyrA gene. The 52 strains resistant to penicillin were positive for the gene bla, encoding a class A ?-lactamase. Twenty-two PFGE patterns were identified among the 63 C. striatum, indicating that some clones have spread within the hospital.
Fuente: Sci Rep. 2017 Aug 28;7(1):9704
Editorial: Nature Publishing Group
Año de publicación: 2017
Nº de páginas: 8
Tipo de publicación: Artículo de Revista
DOI: 10.1038/s41598-017-10081-y
ISSN: 2045-2322
Consultar en UCrea Leer publicación
ALIBI, SANA
FERJANI, ASMA
BOUKADIDA, JALEL
ELIECER CANO, MARÍA
MARTA FERNANDEZ MARTINEZ
MARTÍNEZ MARTÍNEZ, LUIS
JESUS NAVAS MENDEZ
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