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  • Real-time PCR detection of gyrA and parC mutations in Streptococcus pneumoniae.

Real-time PCR detection of gyrA and parC mutations in Streptococcus pneumoniae.

Antimicrobial agents and chemotherapy (2008-08-30)
S Page, F Vernel-Pauillac, O O'Connor, S Bremont, F Charavay, P Courvalin, C Goarant, S Le Hello
ABSTRACT

Fluoroquinolone resistance in Streptococcus pneumoniae mainly involves stepwise mutations predominantly in the parC and gyrA genes. We have developed a single-run real-time PCR assay for detection of the four most common mutations in the quinolone resistance-determining regions of these genes. This assay provides a useful tool for both clinical and epidemiological use.

MATERIALS
Product Number
Brand
Product Description

Supelco
Norfloxacin, analytical standard, ≥98% (TLC)
Supelco
Norfloxacin, VETRANAL®, analytical standard
Supelco
Ciprofloxacin, VETRANAL®, analytical standard
Sigma-Aldrich
Ciprofloxacin, ≥98% (HPLC)
Sigma-Aldrich
Nalidixic acid, ≥98%
Sigma-Aldrich
Levofloxacin, 98.0-102.0% anhydrous basis (HPLC)