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Molecular Genetic Characteristics of Methicillin-Resistant Staphylococcus aureus Isolated from University Campus Environment and Students

Biomedical Science Letters 2020년 26권 3호 p.230 ~ 237
박희철, 박성베, 김준성, 전현정, 최세인, 이승연, 오은총, 황성휘, 김현정, 김정호, 김성현,
소속 상세정보
박희철 ( Park Hee-Chul ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
박성베 ( Park Sung-Bae ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
김준성 ( Kim Jun-Seong ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
전현정 ( Jeon Hyeon-Jeong ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
최세인 ( Choi Se-In ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
이승연 ( Lee Seung-Yeon ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
오은총 ( Oh Eun-Chong ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
황성휘 ( Hwang Soeng-Hwi ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
김현정 ( Kim Hyun-Jung ) - QuantaMatrix Inc.
김정호 ( Kim Jung-Ho ) - Catholic University of Pusan College of Health Sciences Department of Clinical Laboratory Science
김성현 ( Kim Sung-Hyun ) - Catholic University College of Health Sciences Department of Clinical Laboratory Science

Abstract


Staphylococcus aureus (S. aureus) is known as a bacterium that can cause skin infections, respiratory system infections, and sinusitis; however, it can exist as a normal flora rather than a pathogen. Recently, methicillin-resistant S. aureus (MRSA) infections have emerged in the community as a new variant of community-associated (CA)-MRSA. In the present study, S. aureus and MRSA were isolated and cultured by collecting samples from facilities and environments where students and educational personnel have multiple contacts on university campuses; specifically, the nostrils and hands of college students were tested from July to September of 2019. The molecular properties of the isolated MRSA were analyzed, and the one MRSA strain was isolated from the university campuses. One MRSA that was isolated and cultured on campus was the mec complex group A and staphylococcal cassette chromosome (SCC) mec type II, which is a characteristic of healthcare-associated (HA)-MRSA, and SCCmec type V, which is a characteristic of CA-MRSA. This result was similar to other studies wherein the SCCmec type II was detected in SCCmec typing analysis in CAMRSA. To confirm whether there is a new variant of CA-MRSA in the Republic of Korea, additional follow-up studies on the analysis of virulence factors of MRSA are needed by additionally separating CA-MRSA from the body parts of university students and educational personnel.

키워드

Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA); Community associated-MRSA (CA-MRSA); Frequency of Staphylococcus spp.

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