메티실린 내성 황색포도알균의 미생물학적 특성
Microbiological Characteristics of Methicillin-resistant Staphylococcus aureus
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메티실린 내성 황색포도알균(methicillin-resistant Staphylococcus aureus, MRSA)은 전 세계적으로 전형적인 병원 감염의원인균이지만, 근래 들어 지역사회 유래 감염증의 중요한 원인으로 인식되고 있다. MRSA는 mecA 유전자를 통해 PBP2a 단백을 생산함으로써 모든 베타락탐 계열 항균제에 내성을 나타낼 뿐 아니라, 다른 계열의 항균제에 대한 내성 유전자를자주 동반하는 대표적인 다약제 내성균이라는 점 때문에 임상과 검사실에서 주요 관심사가 된다. 본 종설에서는 MRSA 의 미생물학적 특성, 보균자 검사, 분자역학적 분류 등에 대해 중점적으로 정리하였다. [대한임상미생물학회지 2010;13:1-6]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is a typical pathogen of nosocomial infection, and has recently emerged as an important community-acquired pathogen. MRSA is notorious as a multidrugresistant organism. Its resistance to all β-lactams is mediated by PBP2a which is encoded by mecA, and it is also resistant to many antimicrobials of other classes due to frequently co-carrying resistance genes, which accounts for becoming a clinical and laboratory issue. This article reviews the microbiological characteristics, surveillance methods, and molecular epidemiology of MRSA. (Korean J Clin Microbiol 2010;13:1-6)
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