Extended-Spectrum $\beta$-Lactamase (ESBL) Typing of Klebsiella pneumoniae Isolated from Clinical Specimen in Pusan

부산시내 종합병원의 임상 검체에서 분리된 Extended -Spectrum $\beta$-Lactamase 생성 Klebsiella pneumoniae의 형별 분류

  • 김윤태 (부경대학교 자연과학대학 미생물학과) ;
  • 이훈구 (부경대학교 자연과학대학 미생물학과)
  • Published : 2000.09.01


This study was performed to investigate the biological characteristics of twenty isolates of extended spectnlm $\beta$-lactamase (ESBL) producing Klebsiellapnezm~onia collected kom the various clinical specimens of three hospitals in Pusan. Isoelectric focusing (IEF) and PCR were used to determine the types of $\beta$-lactamase gene in this study. Twenty isolates of ESBL producing Klebsiellnp~ieun~or~iae could be divided by PCR, such as TEM type (I1 strains), SHV type (8 strains); non TEM non SHV type (1 strain). In the isoelechic focusing test, the PI of TEM type was 5.2-6.0 and that of SHV type was 6.9-7.4. According to the pI value and PCR bands, twenty strains of ESBL Klebsiellapneumoniae were divided into 5 types: TEM type @I 5.2-6.0; 1080 bp on PCR band), TEM + SHV type (pI 5.2-6.0; andpI 7.0-7.4; 1080 bp and 599 bp on PCR band), SHV type (pl7.0-7.4; 599 bp on PCR band), non TEM non SHV type, and otber type (PCR result was SHV type but pI was not detected).


Extended-Spectrum $\beta$-Lactamase;TEM;SHV


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