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보문 : 병원성 검정 및 RAPD 분석에 의한 국내 인삼뿌리썩음병균(Cylindrocarpon destructans)의 유전적 다양성
서문원 ( Mun Won Seo ),김선익 ( Sun Ick Kim ),송정영 ( Jeong Young Song ),김홍기 ( Hong Gi Kim ) 한국균학회 2011 韓國菌學會誌 Vol.39 No.1
Ginseng root rot caused by Cylindrocarpon destructans is one of the most destructive diseases of ginseng (Panax ginseng). We analyzed the features of the species through pathogenicity test and genetic diversity analysis of C. destructans in Korea, for its application as basic data to attempt for effective control. C. destructans isolated from rotted ginseng roots exhibited a variety of colonial colors on media. It was assumed that there may exist genetic diversity in the population by the diversity of pathogenicity among isolates observed when artificially inoculated into ginseng roots. Pathogenicity tests using ex vivo wound inoculation with agar mixture inoculation on ginseng roots were performed similar results as were observed appear to be useful for rapid pathogen inspection. According to RAPD analysis results, Korean C. destructans isolates formed a single genetic group which can be distinguished readily from closely related other fungi. C. destructans group was divided into two small groups. Therefore, we were able to confirm pathogenicity and genetic difference between the isolates in each of the groups of the pathogen.
작약에서 분리한 Cylindrocarpon destructans의 인삼에 대한 병원성 검정 및 분류학적 고찰
서문원 ( Mun Won Seo ),송정영 ( Jeong Young Song ),강광훈 ( Kwang Hoon Kang ),박수연 ( Soo Yeon Park ),김선익 ( Sun Ick Kim ),김홍기 ( Hong Gi Kim ) 한국균학회 2017 韓國菌學會誌 Vol.45 No.2
작약에서 분리된 Cylindrocarpon destructans KACC44663 균주의 인삼에 대한 병원성 여부를 밝혀내고자 병원성 검정을 실시하였고 새로운 분류체계에 따른 균의 재분류를 위해 계통학적 유연관계를 분석하였다. 작약으로부터 분리된 KACC44663 균주가 인삼에 병을 일으키는 것을 확인하였고, 새로운 분류체계에 의해 I. radicicola species complex 내 위치하는 Ilyonectria robusta로 동정하였다. 이는 국내에서 타 기주로부터 분리된 병원균이 인삼에 뿌리썩음병을 일으키는 것을 증명한 첫 사례이다. To obtain useful data on root rot in Korean ginseng, we performed phylogenetic analysis and pathogenicity test for Cylindrocarpon destructans isolated from peony. Cylindrocarpon destructans isolates from peony were proven to cause ginseng root rot. The isolate KACC44663 was identified as Ilyonectria robusta under the new classification system, which belongs to the I. radicicola species complex. This is the first report of the pathogenic isolate, which was isolated from another host plant, but not ginseng, that can cause root rot disease on ginseng in Korea.