Abstract
We examined the quinolone resistance–determining region (QRDR) of gyrA, gyrB, and parC of recently isolated fluoroquinolone-resistant S. dysenteriae type 1 strains from south Asia and compared data with fluoroquinolone-susceptible strains associated with previous epidemics of 1978, 1984, and 1994. In fluoroquinolone-resistant strains, double mutations (Ser83 → Leu, Asp87 → Asn or Gly) and a single mutation (Ser80 → Ile) were detected in the QRDRs of gyrA and parC, respectively.
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Acknowledgments
This study was funded by the Japan Health Sciences Foundation under Cooperative Agreement No. GR-00309. The nucleotide sequences reported here were submitted in GenBank using NCBI Sequin, version 5.26, under accession numbers-AY692480-84, AY695829-32 for gyrA, AY776312-18 for gyrB, and AY776319-25 for parC.
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Talukder, K.A., Khajanchi, B.K., Islam, M.A. et al. Fluoroquinolone Resistance Linked to Both gyrA and parC Mutations in the Quinolone Resistance–Determining Region of Shigella dysenteriae Type 1. Curr Microbiol 52, 108–111 (2006). https://doi.org/10.1007/s00284-005-0140-9
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DOI: https://doi.org/10.1007/s00284-005-0140-9