Study of Electrophoretic Karyotypes of Fusarium Section Liseola

Fusarium 균의 section Liseola에 대한 핵형 연구

  • Published : 1999.09.01

Abstract

CHEF-PFGE(Contour-Clarnped Homogeneous Electric field- Pulsed Field Gel Electrophoresis) was used to identify electrophoretic karyotype for eight strains belonging to the Fzisoriuni section Liseolo. Chromosome numbers were nine to thirteen bands, ranging in size Cram 0.75 to 6.45 Mb. The total genome size was eslimated to range from 38.19 Mb to 43.12 Mb and numerous chromosome-length polymorphisms (CLPs) were observed. For the chromosome localizalion of the gene, 1GS sequence(2.6 Kb) of rDNA from F: moniliforme, chs-2 gene(2.8 Kb) and 4 - 3 gene(3.8 Kb) from Neuuospora cmssa were wed as probes.

Fusarium 균 중에서 section Liseola 에 속하는 8균주에 대하여 CHEF-PFGE를 이용하여 핵형을 분석비교하였다. 0.75 Mb에서 6.45Mb 크기의 DNA band가 9~13개로 분리되었고 전체 genome 크기는 38.19 Mb에서 43.22Mb 였으며 종간, 종내에서 염색체 길이 다형성을 볼 수 있었다. F. moniliforme 로부터 얻은 IGS sequence(2.6Kb), Neurospora crassa 의 chs-2 gene(2.8Kb) 과 trp-3gene(3.8 Kb)을 probe로 하여 hybridization을 통하여 이들 gene 의 위치를 확인하고자 하였다.

Keywords

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