Screening of large numbers of Streptococcus pneumoniae isolates for mutations associated with fluoroquinolone resistance using an oligonucleotide probe assay.

Abstract excerpt

Mutations at a relatively small number of sites in parC, parE and gyrA account for most of the fluoroquinolone resistance in Streptococcus pneumoniae clinical isolates. A high throughput oligonucleotide probe assay was developed to screen for mutations in the quinolone-resistance determining region (QRDR) of parC (Ser79), gyrA (Ser81) and parE (Asp435) of Streptococcus pneumoniae. Eight oligonucleotide probes...

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