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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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초록· 키워드
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Background: Trichophyton mentagrophytes complex is a heterogeneous group. A new classification, based on molecular biology, has replaced the one based on morphology, physiology, and mating behavior.
Objective: T. mentagrophytes isolates from Korean patients were classified using the new method and compared with the classic classification.
Methods: During 2010-2011, fungal isolates were collected at the Catholic skin clinic from 562 patients infected with T. mentagrophytes; clinical characteristics were reviewed. Patients were divided into four groups based on the morphological characteristics of the isolates. Thirty-four strains of T.
mentagrophytes were randomly selected from the four groups for mycological and molecular biology analyses, including analyses of morphological characteristics, ribosomal DNA (rDNA) internal transcribed spacer (ITS) sequence, and rDNA nontranscribed spacer (NTS) typing.
Results: Among the 562 isolates, persicolor (41.6%) was the most common strain type, followed by the powdery (38.4%), downy (11.2%), and granular (8.7%) types. The granular type differed from the other three with respect to the isolation site, patient's age, seasonal variation, and microscopic characteristics.
Among the selected 34 strains, the microscopic characteristics varied for each strain. The powdery, persicolor, and downy types had ITS sequences identical to those of the anthropophilic T. interdigitale /A. vanbreuseghemii. The ITS sequence of granular type was similar to that of zoophilic T. interdigitale /A. vanbreuseghemii. The granular type had different NTS types than the other types did.
Conclusion: The T. mentagrophytes strains isolated were classified as T. interdigitale/A. vanbreuseghemii; the majority (91.7%) was anthropophilic and 8.3% were zoophilic and granular type.
목차
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참고문헌 (27)
참고문헌 신청
Ajello L / 1967 / The perfect state of Trichophyton mentagrophytes / Sabouraudia 5 : 230 ~ 234
Emmons CW / 1934 / Dermatophytes. Natural grouping based on the form of the spores and accessory organs / Arch Derm Syph 30 : 337 ~ 362
Georg LK / 1954 / The relationship between the downy and granular forms of Trichophyton mentagrophytes / J Invest Dermatol 23 : 123 ~ 141
Graser Y / 2008 / The new species concept in dermatophytes - a polyphasic approach / Mycopathologia 166 : 239 ~ 256
Heidemann S / 2010 / Signature polymorphisms in the internal transcribed spacer region relevant for the differentiation of zoophilic and anthropophilic strains of Trichophyt
Emmons CW / 1934 / Dermatophytes. Natural grouping based on the form of the spores and accessory organs / Arch Derm Syph 30 : 337 ~ 362
Georg LK / 1954 / The relationship between the downy and granular forms of Trichophyton mentagrophytes / J Invest Dermatol 23 : 123 ~ 141
Graser Y / 2008 / The new species concept in dermatophytes - a polyphasic approach / Mycopathologia 166 : 239 ~ 256
Heidemann S / 2010 / Signature polymorphisms in the internal transcribed spacer region relevant for the differentiation of zoophilic and anthropophilic strains of Trichophyt
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