Chromosomal mutations that accompany qnr in clinical isolates of Escherichia coli
نویسندگان
چکیده
منابع مشابه
Detection of plasmid-mediated qnr genes among the quinolone-resistant Escherichia coli isolates in Iran.
INTRODUCTION Plasmid-mediated quinolone resistance, which complicates treatment, has been increasingly identified in Escherichia coli isolates worldwide. The purpose of this study was to identify the plasmid-mediated qnrA and qnrB genes among the quinolone-resistant Escherichia coli isolated from urinary tract infections in Iran. METHODOLOGY A total of 140 Escherichia coli isolates were colle...
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We have identified two chromosomal genes of Escherichia coli K12 that are required for the expression of conjugative plasmid functions in the presence of normal plasmid DNA. Hfr cells with mutations in both of these genes are resistant to donor-specific bacteriophage and defective as conjugal donors. These characteristics can be attributed to the inability of mutant Hfr cells to elaborate F-pil...
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ژورنال
عنوان ژورنال: International Journal of Antimicrobial Agents
سال: 2018
ISSN: 0924-8579
DOI: 10.1016/j.ijantimicag.2018.01.012