Article
LightCycler gyrA mutation assay (GAMA) identifies heterogeneity in GyrA in Salmonella enterica serotypes Typhi and Paratyphi A with decreased susceptibility to ciprofloxacin.
International journal of antimicrobial agents - 1 Dec 2003
Walker R A, Skinner J A, Ward L R, Threlfall E J
Abstract excerpt
Mutations in gyrA in strains of Salmonella enterica serotypes Typhi and Paratyphi A have been characterised by a LightCycler-based PCR-hybridisation gyrA mutation assay (GAMA) and by DNA sequencing. Four mutations (Ser-83 to Phe, Asp-87 to Asn, Ser-83 to Tyr and Asp-87 to Gly) have been identified in 13 strains of Typhi and three strains of Paratyphi A resistant to nalidixic acid (=nal(r)) and with decreased...
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