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KMID : 1144820200260030230
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대한의생명과학회지
2020 Volume.26 No. 3 p.230 ~ p.237
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Molecular Genetic Characteristics of Methicillin-Resistant Staphylococcus aureus Isolated from University Campus Environment and Students
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Park Hee-Chul
Park Sung-Bae
Kim Jun-Seong
Jeon Hyeon-Jeong
Choi Se-In
Lee Seung-Yeon
Oh Eun-Chong
Hwang Soeng-Hwi
Kim Hyun-Jung
Kim Jung-Ho
Kim Sung-Hyun
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Abstract
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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.
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KEYWORD
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Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), Community associated-MRSA (CA-MRSA), Frequency of Staphylococcus spp.
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