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논문 기본 정보

자료유형
학술저널
저자정보
Min Park (Yonsei University) Soon Deok Park (Yonsei University) Sa-Hyun Kim (Semyung University) Gyusang Lee (Yonsei University) Hyun Jun Woo (Yonsei University) Hyun Woo Kim (Yonsei University) Byungrak An (Yonsei University) In Ho Jang (Yonsei University) Young Uh (Yonsei University Wonju College of Medicine) Jong-Bae Kim (Yonsei University)
저널정보
대한의생명과학회 대한의생명과학회지 대한의생명과학회지 제19권 제3호
발행연도
2013.9
수록면
275 - 279 (5page)

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Etiological agents of extended spectrum β-lactamase (ESBL) producing uropathogenic Escherichia coli (UPEC) have become a major problem in urinary tract infections. The purpose of this study was to compare the molecular characteristics of ESBL producing UPEC strains isolated from 1989 and 2010. A total of 301 strains of UPEC clinical isolates was collected from Korean healthcare facility in 1989 (126 strains) and in 2010 (175 strains). UPEC clinical isolates were analyzed by multiplex polymerase chain reaction method (ESBL related bla genes and phylogenetic groups) and amplified fragment length polymorphism (AFLP). Among 301 isolates, ESBL producing UPEC were 8 strains (6.3%) in 1989 isolates and 35 strains (20%) in 2010 isolates. The rate of bla genes in ESBL producing UPEC from 1989 isolates and 2010 isolates were bla<SUB>TEM</SUB> (75% and 85.7%), bla<SUB>CTX-M</SUB> (0% and 91.4%), bla<SUB>OXA</SUB> (25% and 20%), bla<SUB>PER</SUB> (0% and 2.9%). The distribution of phylogenetic groups in 1989 isolates and 2010 isolates were A (37.5% and 11.4%), B2 (12.5% and 51.4%), and D (50% and 37.1%). The most prevalent ESBL related bla gene and phylogenetic group were bla<SUB>CTX-M</SUB> (91.4%) and B2 (51.4%) in 2010 isolates, while bla<SUB>CTX-M</SUB> was not detected in 1989 isolates. Among 43 ESBL producing UPEC were grouped into 12 clusters up to 76% of genetic similarities by AFLP analysis. During past twenty one years, the rate of the ESBL producing UPEC strains in 2010 isolates was increased than that of in 1989 isolates. Also, the most prevalent ESBL related bla gene has been changed from bla<SUB>TEM</SUB> to bla<SUB>CTX-M</SUB>.
#Uropathogenic Escherichia coli (UPEC) #Extended spectrum β-lactamase (ESBL) #Amplified fragmentlength polymorphism (AFLP)

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REFERENCES

참고문헌 (18)

참고문헌 신청
Bingen E / 1998 / Phylogenetic analysis of Escherichia coli strains causing neonatal meningitis suggests horizontal gene transfer from a predominant pool of highly virulent B2 group strains / J infect Dis 177:642~650 google schola Clermont O / 2000 / Rapid and simple determination of the Escherichia coli phylogenetic group / Appl Environ Microbiol 66:4555~4558 google schola Cockerill F / 2010 / Perdormance standards for antimicrobial susceptibility testing; Twenty-Second Informational Supplement / Clinical Laboratory Standards Institute :32 google schola Dallenne C / 2010 / Development of a set of multiplex PCR assays for the detection of genes encoding important β-lactamases in Enterobacteriaceae / J Antimicrob Chemother 65:490~495 google schola Gibson JR / 1998 / Use of an amplified-fragment length polymorphism technique to fingerprint and differentiate isolates of Helicobacter pylori / J Clin Microbiol 36:2580 google schola

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UCI(KEPA) : I410-ECN-0101-2014-500-002674019