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- W2043699299 abstract "느티만가닥버섯의 품종구분을 위하여 국내 버섯보존기관으로부터 수집한 30종의 품종에 대한 RAPD 분석을 실시하였다. 이를 위하여 고체배지상의 균사로부터 염색체 DNA를 분리하였고 이를 주형으로 하여 3개의 random primer로 PCR 반응을 수행하였다. 그 결과 각 PCR 반응에서 200 bp에서 3000 bp 범위의 크기를 가진 DNA 밴드 약 30종이 관찰되었다. DNA 밴드 패턴은 UPGMA 방법으로 분석하여 그 결과를 dentrogram으로 나타내었다. 느티만가닥버섯은 2개의 클러스터로 분석되었으며, 클러스터 1은 다시 3개의 작은 그룹으로 나눌 수 있었다. 반면, 클러스터 2의 경우에는 유전적으로 클러스터 1보다 다양한 품종으로 구성되어 있었다. 흥미롭게도 덕유산에서 채집된 야생종 Hm3-10의 경우 어느 클러스터에도 속하지 않는 고유의 품종임을 확인하였다. RAPD 결과 나타나는 품종별 고유의 DNA 밴드를 품종특이적 마커로 개발하기 위하여, Hm0-4 품종의 250 bp 특이밴드를 TA-클로닝하고 염기서열을 결정하였다. 결정된 염기서열을 바탕으로 PCR primer를 디자인하였고 이를 이용하여 PCR 반응을 수행하였다. 그 결과 250 bp DNA 밴드는 Hm0-4 품종에서만 관찰되었으며 이는 이러한 접근법이 품종특이적 마커개발에 잘 적용됨을 보여주는 것이다. We have attempted to verify 30 strains of Hypsizigus marmoreus from various mushroom stocks in Korea using random amplified polymorphic DNA (RAPD) methodology. Chromosomal DNAs of them were extracted and subjected to PCR analyses with 3 random primers. Each PCR produced approximately 30 distinct PCR bands with the size from 200 bp to 3000 bp. A dendrogram was acquired using the unweighted pair-group method with arithmetic average (UPGMA) clustering methodology on the basis of the DNA band pattern. The analysis revealed that 30 strains of H. marmoreus were clustered into two distinct clusters. Cluster 1 contained 3 subgroups while the cluster 2 consisted of rather diverse strains. Interestingly, Hm3-10, a wild strain collected from Deog-Yu mountain, was not included in either clusters, indicative of uniqueness of this strain. We nextly attempted to develop strain-specific DNA markers to verify a specific strain. A unique band in the RAPD gel lane of Hm0-4 was extracted and its sequence was determined. PCR with a primer set from the determined sequence revealed that the primer set gave a 250 bp DNA band only for Hm0-4, indicating that this approach works well for the strain-specific identification of H. marmoreus." @default.
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- W2043699299 date "2010-06-30" @default.
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- W2043699299 title "Molecular Genetic Classification of Hypsizigus marmoreus and Development of Strain-specific DNA Markers" @default.
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- W2043699299 doi "https://doi.org/10.4489/kjm.2010.38.1.034" @default.
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