Studies on the Pseudomonas aeruginosa Isolated from Infected Patient

감염환자에서 분리한 녹농균의 특성에 관한 연구

  • 정기철 (부산대학교 의학과 미생물학교실) ;
  • 이영우 (부산대학교 의학과 미생물학교실) ;
  • 김민정 (부산대학교 의학과 신경외과학교) ;
  • 임은경 (부산대학교 의학과 신경외과학교실) ;
  • 김영부 (부산대학교 의학과 신경외과학교실) ;
  • 오양효 (부산대학교 의학과 미생물학교실)
  • Published : 1999.08.01

Abstract

Seventy-two strains of Pseudomonas aeruginosa isolated from the patients were tested for pigment production, exoenzyme production and antimicrobial susceptibility. In the pigment production test, 23.6% of total 72 strains produced both pyocyanine and pyoverdin. Pyoverdin and pyomelanin producing strains were in 9.7%, and 5.5% produced pyoverdin and pyorubin. Strains producing of all of exoenzyme, protease, elastase and lecithinase were in 5.6%. The most common type of exoenzyme production was both protease and elastase producing. Protease producing strain were 23.6%, Among the 72 strains, 50% produced protease. As the result of antimicrobial susceptibility in the isolated 20 strain, most strain were resistant to sulfamethoxazole(90%), but sensitive to other tested antibiotics more than 60%. The MIC50 and MIC90 level of tested antibiotics to 70 strains were 128 $\mu\textrm{g}$/$m\ell$, 512 $\mu\textrm{g}$/$m\ell$ for KM, 8,256 $\mu\textrm{g}$/$m\ell$ for GM, 8, 128 $\mu\textrm{g}$/$m\ell$ for CPZ, and 8, 64 $\mu\textrm{g}$/$m\ell$ for PIPC respectively.

Keywords

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