대한의생명과학회지 (Biomedical Science Letters)

  • 제23권3호
  • /
  • Pages.223-229
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  • 2017
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  • 1738-3226(pISSN)
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  • 2288-7415(eISSN)
대한의생명과학회 (The Korean Society for Biomedical Laboratory Sciences)
권호 표지
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Genetic Variations of Aspergillus fumigatus Clinical Isolates from Korea

  • Kim, Sunghyun (Department of Clinical Laboratory Science, College of Health Sciences, Catholic University of Pusan) ;
  • Ma, Pan-Gon (Department of Clinical Laboratory Science, Daegu Health College) ;
  • Park, Young-Seok (Department of Emergency Medical Services, Sunmoon University) ;
  • Yu, Young-Bin (Department of Biomedical Laboratory Science, College of Medical Sciences, Konyang University) ;
  • Hwang, Kyu Jam (Pathogen Resource TF, Center for Infectious Disease, National Research Institute of Health, Korea Center for Disease Control and Prevention) ;
  • Kim, Young Kwon (Department of Biomedical Laboratory Science, College of Medical Sciences, Konyang University)
  • 투고 : 2017.08.22
  • 심사 : 2017.09.18
  • 발행 : 2017.09.30
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초록

Fungal infections by human pathogenic fungi are increasing globally in elderly, children and immune suppressed or deficient patients. Aspergillus fumigatus is one of the well-known pathogenic fungi and causes aspergilloses in human world widely. However, current identification and classification methods based on its phenotypic characteristics still have limitations. Therefore, currently, molecular biological tools using their DNA sequences are used for genotype identification and classification. In the present study, in order to analyze genetic variations of A. fumigatus clinical isolates, a total of six housekeeping genes were amplified by PCR using specific primer pairs and multi-locus sequence typing (MLST) assay. Results from phylogenetic tree analysis showed that most A. fumigatus strains (88.9%) from respiratory specimens were classified into cluster A and B, and approximately half of A. fumigatus strains (46%) from non-respiratory specimens were classified into cluster C and D. Although the sample size was limited, genetic characteristics of A. fumigatus clinical isolates according to their origins were very similar and well-correlated with other clinical data.

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참고문헌

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