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Random Amplified Polymorphic DNA 분석을통한 Methicillin 내성 황색포도구균의분자역학적 조사

Molecular Epidemiological Typing of Methicillin-Resistant Staphylococcus aureusUsing Random Amplified Polymorphic DNA Analysis

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참고문헌

주제분류내과학

초록

목 적 : 본 연구는 중환자실 환자 및 의료종사자에서 검출된 MRSA의 역학조사에 신속하고 간편한 방법인 random amplified polymorphic DNA (RAPD)의 유용성을 평가하고자 하였다.재료 및 방법 : 1998년 10월부터 12월 및 2001년 5월부터 7월까지 동아대학교병원 중환자실 입원 환자 및 의료종사자의 검체 각각 10, 15예 및 8, 5예를 대상으로 mecA gene의 유무와 항균제 감수성 검사를 실시하고, 3가지 primer를 이용하여 RAPD를 시행하였다.결 과 : 환자에서 분리된 MRSA 25주 중 21주(84%)와 의료진에서 분리된 13주 중 12주(92%)가 mecA 양성이었고, mecA 양성 MRSA를 RAPD로 분석한 결과 모두 18가지 유형으로 분류되었다. 결 론:RAPD 방법을 이용한 유전자 형별 분석은 MRSA의 균주 분별에 유용하며, 또한 중환자실에서 유행발생한 MRSA의 신속한 역학조사에 유용할 것으로 생각한다.

Abstract

Background:The random amplified polymorphic DNA (RAPD) analysis was investigated to see if this method could be a useful tool for monitoring of epidemic outbreaks of methicillin-resistant Staphylococcus aureus (MRSA) among patients and healthcare workers (HCW) in the intensive care units (ICU). Methods:Thirty-eight MRSA strains were isolated from patients and HCW in Dong-A University Hospital ICU from October, 1998 to December, 1998 (10 patients and 8 HCW) and May, 2001 to July, 2001 (15 patients and 5 HCW). All strains were typed according to antimicrobial susceptibility and RAPD analysis patterns. mecA genes were detected using polymerase chain reaction (PCR). Results:Twenty one of 25 (84%) and 12 of 13 (92%) MRSA, isolated from patients and HCW, respectively, were mecA positive. mecA positive MRSA were classified into 18 different types by RAPD analysis. Conclusion:DNA fingerprinting using RAPD analysis is a simple, effective, and rapid method for discriminating MRSA strains, and may be applicable in detecting outbreaks of S. aureus infections in the ICU.

참고문헌 (46)

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관련 논문AI추천

Multilocus Sequence Typing of Clonal Changes of Methicillin-resistant Staphylococcus aureus Isolated from Intensive Care Unit Patients: 1996 versus 2004김의종, 이종윤, 허지영, 홍기호대한임상미생물학회 · Annals of Clinical Microbiology2006 · 제9권 제2호충남지역 종합병원 중환자실 환경과 환자로부터 분리한 메티실린 내성 황색포도알균(MRSA)의 분자유전학적 특성김상하, 김성현, 김영권, 김혜숙, 박성배, 현성희대한임상검사과학회 · 대한임상검사과학회지2018 · 제50권 제2호AP-PCR을 이용한 다제내성 Staphylococcus aureus의 유전형 분석손승렬, 신경현, 홍승복대한임상검사과학회 · 대한임상검사과학회지2004 · 제36권 제2호메티실린 내성 황색포도알균(Methicillin Resistant Staphylococcus aureus, MRSA)의 분자역학 연구에서 IRS-PCR (Infrequent- Restriction-Site PCR)의 응용권재철, 김시현, 박선희, 박철민, 신나영, 유진홍, 이동건, 최수미, 최정현대한감염학회 · Infection and Chemotherapy2011 · 제43권 제5호한국에서 분리된 methicillin 내성 포도상구균(MRSA)에서 multoplex PCR에 의한 nuc, mecA, enterotoxon 유전자들과 tst 유전자의 분포에 관한 연구윤효숙, 이승관, 이창규, 황선철대한임상검사과학회 · 대한임상검사과학회지1997 · 제29권 제1호환자의 비강으로부터 분리된 메티실린 내성 황색 포도알균의 분자 아형 분석임재원, Heechul Park, Jiyoung Lee, Jungho Kim, Jun Seong Kim, Sang-Ha Kim, Sung-Bae Park, Sunghyun Kim, Young Kwon Kim대한임상검사과학회 · 대한임상검사과학회지2020 · 제52권 제2호

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