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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 250 - 254 (5page)
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Staphylococcus aureus, or methicillin-resistant S. aureus (MRSA), is a significant pathogen in both nosocomial and community infections. Community-associated MRSA (CA-MRSA) strains tend to be multi-drug resistant and to invade hospital settings. This study aimed to assess the antimicrobial resistance and molecular characteristicsof nasal S. aureus among newlyadmitted inpatients.In the present study, 66 S. aureus isolates, including 10 healthcare-associated MRSA (HA-MRSA), 8 CA-MRSA, and 48 methicillin-sensitive S. aureus (MSSA) strains, were found in the nasal cavities of 62 patients by screening 292 newlyadmitted patients. Antimicrobial resistance and molecular characteristics of these isolates, including spa-type, sequence type (ST) and SCCmec type, were investigated. All isolates were sensitive to linezolid, teicoplanin, and quinupristin/dalfopristin, but high levels of resistance to penicillin and erythromycin were detected. According to D-test and erm gene detection results, the cMLSB and iMLSB phenotypes were detected in 24 and 16 isolates, respectively. All 10 HA-MRSA strains displayed the cMLSB phenotypemediated by ermA or ermA/ermC, while the cMLSB CA-MRSA and MSSA strains carried the ermB gene. Molecular characterization revealedall 10 HA-MRSA strains were derived from the ST239-SCCmec III clone, and four out of eight CA-MRSA strains were t437-ST59-SCCmec V. The results suggest that patients play an indispensable role in transmitting epidemic CA-MRSA and HA-MRSA strains.
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참고문헌 (16)
참고문헌 신청
Gosbell IB / 2013 / Staphylococcus aureus colonisation: some questions answered / Lancet Infect Dis 13:380~381
Wertheim HF / 2005 / The role of nasal carriage in Staphylococcus aureus infections / Lancet Infect Dis 5:751~762
Ma XX / 2011 / Nasal carriage of methicillin-resistant Staphylococcus aureus among preclinical medical students: epidemiologic and molecular characteristics of methicillin-resistant S. aureus clones / Diagn Microbiol Infect Dis 70:22~30
Qu F / 2010 / Nasal colonization of and clonal transmission of methicillin-susceptible Staphylococcus aureus among Chinese military volunteers / J Clin Microbiol 48:64~69
Li M / 2012 / MRSA epidemic linked to a quickly spreading colonization and virulence determinant / Nat Med 18:816~819
Wertheim HF / 2005 / The role of nasal carriage in Staphylococcus aureus infections / Lancet Infect Dis 5:751~762
Ma XX / 2011 / Nasal carriage of methicillin-resistant Staphylococcus aureus among preclinical medical students: epidemiologic and molecular characteristics of methicillin-resistant S. aureus clones / Diagn Microbiol Infect Dis 70:22~30
Qu F / 2010 / Nasal colonization of and clonal transmission of methicillin-susceptible Staphylococcus aureus among Chinese military volunteers / J Clin Microbiol 48:64~69
Li M / 2012 / MRSA epidemic linked to a quickly spreading colonization and virulence determinant / Nat Med 18:816~819
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