Folia Medica Indonesiana
ISSN 0303-7932
Vol. 50 / No. 2 / Published : 2014-04
Order : 4, and page :81 - 85
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Original Article :
Profile of gyra and gyrb gene mutation in clinical isolate of ciprofloxacin resistant pseudomonas aeruginosa
Author :
- Erwin Firman S*1
- Didik Hasmono*2
- Kuntaman*3
- Dosen Fakultas Farmasi
- Dosen Fakultas Farmasi
- Dosen Fakultas Kedokteran
Abstract :
Nosocomial infections can increase morbidity, mortality, and also the cost of treatment because hospital care becomes longer. Oneof the most bacteria causing nosocomial infections is Pseudomonas aeruginosa. Ciprofloxacin is the most powerfulantipseudomonal, which has 4-8 times more active than levofloxacin, against Pseudomonas aeruginosa. Ciprofloxacin antibioticresistance can be caused by mutations in DNA gyrase and topoisomerase IV. DNA gyrase mutations in bacteria Pseudomonasaeruginosa can occur in genes gyrA and gyrB. This study aims to see gyrA and gyrB gene mutations in clinical isolates ofPseudomonas aeruginosa were resistant to ciprofloxacin by using PCR QiaQuick column (QIAGEN, Valecia, CA) and the ABI Prism310 Genetic Analyzer. All 5 Pseudomonas aeruginosa isolates of showed phenotypes that were resistant to ciprofloxacin and gyrAgene mutation in the amino acid change at Thr83 to be Ile at 100%. This suggests that mutations in the gyrA gene affects theoccurrence of bacterial resistance of Pseudomonas aeruginosa to ciprofloxacin. (FMI 2014;50:81-85)
Keyword :
Pseudomonas aeruginosa, gyrA gene, gyrB gene, mutation, ciprofloxacin,
References :
Drlica K, Malik M, Kerns RJ, Zhao X,(2008) Quinolone-Mediated Bacterial Death - : Antimicrob Agents Chemother
Lee JK, Lee YS, Park YK, Kim BS,(2005) Alterations in the GyrA and GyrB subunits of topoisomerase II and the ParC and ParE subunits of topoisomerase IV in ciprofloxacin-resistant clinical isolates of Pseudomonas aeruginosa - : Int J Antimicrob Agents
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