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| Pereira,Andrea S.; Andrade,Soraya S.; Monteiro,Jussimara; Sader,Helio S.; Pignatari,Antonio C.C.; Gales,Ana C.. |
| Increasing quinolone resistance has been reported worldwide, mainly among clinical isolates of Escherichia coli. The objectives of this study were to determine the susceptibility profile, the genetic relatedness, and the prevalence of the qnr gene among ciprofloxacin-resistant Escherichia coli isolated from distinct Brazilian hospitals. A total of 144 ciprofloxacin-resistant Escherichia coli were isolated from 17 Brazilian hospitals between January/2002 and June/2003. The antimicrobial susceptibility testing was performed by microdilution according to NCCLS. The presence of the qnr gene was initially screened by colony blotting, and then confirmed by PCR followed by DNA sequencing. Ninety-five urinary ciprofloxacin-resistant Escherichia coli were further... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Quinolone resistance; Escherichia coli; PFGE; Qnr. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702007000100011 |
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