The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
권호 표지

Electrophoretic Karyotyping by PFGE in the Genus Fusarium

Fusarium속에서 PFGE를 이용한 Electrophoretic Karyotyping

  • 민병례 (상명대학교 자연과학대학 생물학과) ;
  • 정진숙 (서울대학교 분자미생물학 연구센타) ;
  • 최영길 (한양대학교 자연과학대학 생물학과)
  • Published : 1998.06.30
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Abstract

Contour-clamped homogeneous electric field gel electrophoresis was used to establish electrophoretic karyotype for 10 species of Fusarium sections Sporotrichiella, Liseola, Gibbosum, Discolor and Martiella. Intact chromosomal DNA was isolated from fungal protoplast and separated under various conditions according to their size in order to improve DNA separation. The numbers of chromosome-sized DNA molecules for individual species ranged from 5-13, with individual chromosomes ranging from 0.78 Mb to 7.20 Mb in size. The total genome DNA size of each species was estimated at about 18.32 Mb to 48.20 Mb. Comparison of karyotype profiles following Southern hybridization analysis with a randomly selected genomic probe of F. oxysporum formae speciales litii was carried out.

CHEF (Contour-Clamped homogeneous electric field) gel electrophoresis를 이용하여 Fusarium section Sporotrichiella, Liseola, Gibbosum, Discolor와 Martiella에 속하는 10종의 electrophoretic karyotype을 비교하였다. Intact chromosomal DNA는 균류의 원형질체로부터 추출하였으며, 크기에 따라 다양한 조건을 주어 DNA 분자를 분리시켰다. Fusarium속에 속하는 종의 염색체는 0.78Mb에서 7.20Mb의 크기를 가진 염색체가 종에 따라 $5{\sim}13$개였다. 각 종의 total genome 크기는 18.32Mb에서 48.20Mb였다. Electrophoretic karyotype을 비교한 후 F. oxysporum formae speciales lilii로부터 무작위로 선택하여 만든 genomic DNA를 probe로 하여 Southern hybridization 분석을 수행하였다.

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