한국임상수의학회지 (Journal of Veterinary Clinics)

  • 제23권4권
  • /
  • Pages.405-410
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  • 2006
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  • 1598-298X(pISSN)
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  • 2384-0749(eISSN)
한국임상수의학회 (The Korean Society of Veterinary Clinics)
권호 표지

개와 고양이 유래 피부사상균의 분자생물학적 계통 분석

Molecular Phylogenetic Classification of Dermatophytes Isolated from Dogs and Cats

  • 김두 (강원대학교 수의학부대학 및 동물의학종합연구소) ;
  • 정석영 (강원대학교 수의학부대학 및 동물의학종합연구소) ;
  • 안소저 (강원대학교 수의학부대학 및 동물의학종합연구소)
  • Kim, Doo (School of Veterinary Medicine & Institute of Veterinary Medicine, Kangwon National University) ;
  • Jeoung, Seok-Young (School of Veterinary Medicine & Institute of Veterinary Medicine, Kangwon National University) ;
  • Ahn, So-Jeo (School of Veterinary Medicine & Institute of Veterinary Medicine, Kangwon National University)
  • 발행 : 2006.12.30
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초록

피부사상균증이 있는 개와 고양이에서 분리한 9주의 Microsporum canis와 5주의 Microsporum gypseum에서 ribosomal DNA를 추출하여 internal transcribed spacer 1 (ITS1) gene을 PCA로 증폭한 후 sequencing을 실시하여, 각 사상균의 계통학적 관계를 조사하였다. M canis 분리주 9주의 ITS1 gene의 nucleotide sequence는 100% 일치하였으며 M gypseum 분리주 5주의 nucleotide sequence도 100% 일치하였다. M canis 분리주 9주의 계통분석 결과 미국, 일본, 호주 및 유럽에서 분리된 M canis와 같은 cluster에 속하였으며 다른 Microsporum spp와는 유전적으로 다른 cluster를 형성하였다. 그러나 M canis와 M distortum, M equinum, M ferrugineum은 유전적으로 매우 가까운 위치에 있었다. M gypseum 분리주는 M canis와는 다른 cluster를 형성하였다. ITS1 gene의 분자생물학적 분석은 Microsporum spp를 확인하고 그들의 유전학적 관계를 이해하는 유용한 정보를 제공하는 것으로 생각된다.

Using internal transcribed spacer 1 (ITS1) region ribosomal DNA sequences from 9 strains of Microsporum canis and 5 strains of Microsporum gypseum isolated from dogs and a cat with dermatophytosis, we demonstrated the mutual phylogenetic relationship of these strains. Nucleotide sequence analysis of the ITS 1 gene fragments from the 9 strains of M canis had the 100% nucleotide sequence similarities and the 5 strains of M gypseum also had the 100% nucleotide sequence similarities. The phylogenetic analysis of the nucleotide sequences of the 9 strains of M canis formed a nested cluster with the reference strains of M canis originating from USA, Australia, Japan, and Europe. M canis were genetically distinct from the other reference strains of Microsporum spp, but M distortum, M equinum, and M. ferrugineum were genetically very close to M canis. M gypseum from a cluster in the phylogenetic tree with M canis as an outgroup. The molecular analysis of ITS 1 genes provided the useful information for the identification of these microsporum species and the understanding of their relationship.

키워드

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