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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 9 - 14 (6page)
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Background: We determined the epidemiological characteristics of erythromycin (EM)-resistant Streptococcus pyogenes (group A streptococci, GAS) strains isolated from Korea and Japan, using emm genotyping and multilocus sequence typing (MLST).
Methods: Clinical isolates of GAS had been collected from 1992 to 2012 in Korea and from 2004 to 2009 in Japan. EM resistance was determined by the microdilution method, and resistance genotypes were assessed by PCR. The emm genotyping and MLST were performed by DNA sequencing.
Results: The emm genotypes and sequence types (STs) were concordant in 143 (85.1%) of 168 EM-resistant GAS strains from Korea. ST36/emm12 (35.1%), ST52/emm28 (22.6%), and ST49/emm75 (16.1%) were the most common types. Most of the ST36 (93.9%) and ST52 (95.8%) strains harbored erm(B), whereas strains ST49, ST42, and ST15 contained mef(A). The concordance between emm genotypes and STs was 41 (93.2%) among 44 EM-resistant GAS strains from Japan. ST36/emm12 (34.1%), ST49/emm75 (18.2%), and ST28/emm1 (15.9%) were the major types. ST36 isolates harbored either erm(B) (56.3%) or mef(A) (37.5%), whereas isolates ST28, ST49, and ST38 carried only mef(A). The proportion of erm(B) and mef(A) was 66.1% and 33.3% in Korea and 22.7% and 68.2% in Japan, respectively.
Conclusions: The common STs in Korea and Japan were ST36 and ST49, whereas ST52 was present only in Korea and ST28 only in Japan. Genotype erm(B) was predominant in Korea, whereas mef(A) was frequent in Japan. There were differences between Korea and Japan regarding the frequencies of emm genotypes, STs, and EM resistance genes among the EM-resistant GAS.
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참고문헌 (16)
참고문헌 신청
Cunningham MW / 2008 / Pathogenesis of group A streptococcal infections and their sequelae / Adv Exp Med Biol 609:29~42
Takahashi T / 2010 / Clinical aspects of invasive infections with Streptococcus dysgalactiae ssp. equisimilis in Japan: differences with respect to Streptococcus pyogenes and Streptococcus agalactiae infections / Clin Microbiol Infect 16:1097~1103
Cha S / 2001 / The emergence of erythromycin-resistant Streptococcus pyogenes in Seoul, Korea / J Infect Chemother 7:81~86
Kim S / 2004 / Antibiotic resistance and genotypic characteristics of group A streptococci associated with acute pharyngitis in Korea / Microb Drug Resist 10:300~305
고은하 / 2010 / Decline in Erythromycin Resistance in Group A Streptococci from Acute Pharyngitis due to Changes in the emm Genotypes Rather Than Restriction of Antibiotic Use / Annals of Laboratory Medicine 30(5):485~490
Takahashi T / 2010 / Clinical aspects of invasive infections with Streptococcus dysgalactiae ssp. equisimilis in Japan: differences with respect to Streptococcus pyogenes and Streptococcus agalactiae infections / Clin Microbiol Infect 16:1097~1103
Cha S / 2001 / The emergence of erythromycin-resistant Streptococcus pyogenes in Seoul, Korea / J Infect Chemother 7:81~86
Kim S / 2004 / Antibiotic resistance and genotypic characteristics of group A streptococci associated with acute pharyngitis in Korea / Microb Drug Resist 10:300~305
고은하 / 2010 / Decline in Erythromycin Resistance in Group A Streptococci from Acute Pharyngitis due to Changes in the emm Genotypes Rather Than Restriction of Antibiotic Use / Annals of Laboratory Medicine 30(5):485~490
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