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Antimicrobial Susceptibility and Characterization of Propionibacterium acnes by Multilocus Sequence Typing and Repetitive-Sequence-Based PCR -
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저자 Shukho Kim Hyesoon Song Weon-Ju Lee Jungmin Kim
발행기관 대한미생물학회
간행물정보 JOURNAL OF BACTERIOLOGY AND VIROLOGY 2016년, JOURNAL OF BACTERIOLOGY AND VIROLOGY Vol.46 No.3, 135page~141page(총7page)
파일형식 3086055 [다운로드 무료 PDF 뷰어]
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Propionibacterium acnes stimulates cytokines, antimicrobial peptides, and matrix metalloproteinases expression through activation of protease-activated receptor-2 in keratinocytes and sebocytes
 
 
목차
부제 :
INTRODUCTION
MATERIALS & METHODS
RESULTS
DISCUSSION
REFERENCES
 
 
영문초록
Propionibacterium acnes, a gram-positive, anaerobic, and aerotolerant bacterium that is found frequently in the skin as part of the human microbiome causes inflammatory acne, shoulder infection, and the contamination of medical devices. The study goals were the antibiotic resistant and molecular epidemiological characterization of the P. acnes isolates in Korea. A total of 22 P. acnes isolates originated from diverse patients were obtained from three National Culture Collections for Pathogens in South Korea. The hemolytic properties and minimum inhibitory concentrations (MIC) of five antibiotics (tetracycline, doxycycline, clindamycin, erythromycin, and minocycline) were determined. Only one isolate showed high MIC values and resistance to all five antibiotics. Genotypic characterization was achieved by multilocus sequence typing (MLST) for eight loci (aroE, guaA, tly, camp2, atpD, gmk, lepA, and sodA) and repetitive-sequence-based PCR (rep-PCR) analysis using the DiversiLab kit. MLST revealed four phylogroups that were type IA1 (27.3%), type IA2 (18.2%), type IB (13.6%), and type II (40.9%). Rep-PCR results demonstrated three clusters that were cluster I (39.1%), cluster II (45.5%), and cluster III (13.6%). The isolates of cluster I were part of phylogroup type IA (both IA1 and IA2), and the isolates of cluster II belonged to phylogroup type II. All isolates of phylogroup type IB were hemolytic and belonged to cluster III. The results of rep-PCR clustering analysis showed a good correlation with those of MLST phylogroups, suggesting that rep-PCR could be an alternative method to track P. acnes subtype lineages.
 
 
Propionibacterium acnes, rep-PCR, Multilocus sequence typing, Antimicrobial susceptibility
 
 
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