Nosocomial dissemination of plasmids carrying blaTEM-24, blaDHA-1, aac(6')-Ib-cr, and qnrA6 in Providencia spp. strains isolated from a Tunisian hospital.
Diagn Microbiol Infect Dis
; 81(1): 50-2, 2015 Jan.
Article
em En
| MEDLINE
| ID: mdl-25315769
The aim of this study is to report the emergence of IncA/C conjugative plasmids harboring blaTEM-24, blaDHA-1, qnrA6, and aac(6')-Ib-cr genes among Providencia spp. isolates recovered in 2008 in Tunisia. The double-disk synergy test confirmed the phenotype extended-spectrum ß-lactamase (ESBL) in 2 Providencia stuartii and 5 Providencia rettgeri. These ESBLs were coresistant to cefoxitin, chloramphenicol, ofloxacin, and sulfonamides but remained susceptible to imipenem. Three ß-lactamases TEM-2, TEM-24, and DHA-1 were detected. blaTEM-24, blaDHA-1, aac(6')-Ib-cr, and qnrA6 genes were successfully transferred to Escherichia coli strain HB101, and they were found located on the conjugatifs IncA/C plasmids. Genetic relatedness showed similar and different patterns among P. stuartii and P. rettgeri strains, respectively.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Beta-Lactamases
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Providencia
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Infecção Hospitalar
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Infecções por Enterobacteriaceae
Limite:
Humans
País/Região como assunto:
Africa
Idioma:
En
Revista:
Diagn Microbiol Infect Dis
Ano de publicação:
2015
Tipo de documento:
Article