Article
Use of a rapid mismatch PCR method to detect gyrA and parC mutations in ciprofloxacin-resistant clinical isolates of Escherichia coli.
The Journal of antimicrobial chemotherapy - 1 Mar 2002
Qiang Yan Zhi, Qin Tong, Fu Wang, Cheng Wu Pei, Li Yang Sheng, Yi Gong
Abstract excerpt
Four amino acid substitutions, two in GyrA and two in ParC subunits of DNA gyrase and topoisomerase IV, respectively, are commonly responsible for fluoroquinolone resistance in Escherichia coli. In this study, an economical and time-efficient mismatch amplification mutation assay (MAMA) PCR was developed to detect mutations in the chromosomal gyrA and parC genes causing these substitutions. One hundred and...
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