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SSR 마커를 활용한 한국의 26개 지역에서 수집된 더덕의 집단구조 분석
Jaebok Lee,Jinsu Gil,Yurry Um,Ho Bang Kim,Seong Cheol Kim,Sungcheol Koo,Yi Lee 한국약용작물학회 2017 한국약용작물학술대회 발표집 Vol.2017 No.05
Background : Codonopsis lanceolata is a perennial plant of Campanulaceae with characteristic flavor and aroma and this plant has saponin, flavonoid, and inulin, which are reported to have physiological activity and antioxidant activity. In contrast, breeding or study of C. lanceolata varieties had not been done for a long time. Genetic polymorphism and phylogenetic relationship analysis of the plants by region of the crops can help the collection of genetic backgroud data for variety development. Methods and Results : In this study, we collected 26 C. lanceolata lines (95 individual plants) from 26 regions in Korea. We genotyped the collected lines using SSR markers developed in the previous study and analyzed the population structure based on the results. Population structures were analyzed using model-based STRUCTURE software (version 2.3.4) using the following parameters: Number of clusters (K) set = 1 to 12; Number of Iterations = 5; Length of Burning Period = 100,000; Number of MCMC (Markov Chain Monte Carlo) Reps after Burnin = 100,000. As a result, Of the 26 collections, were genetically grouped into 6 or 7 groups. Conclusion : The 26 C. lanceolata collections (95 individual plants) were genetically grouped but not grouped by collected regions. These results suggest that C. lanceolata has diverse genetic backgrounds and this data could be used as a basis for genetic polymorphism analysis of Codonopsis species.
Codonopsis laneolata 기반 EST-SSR 마커를 활용한 Codonopsis 속의 유전적 다양성 분석
Jaebok Lee,Jinsu Gil,Yurry Um,Ho Bang Kim,Seong Cheol Kim,Sungcheol Koo,Yi Lee 한국약용작물학회 2017 한국약용작물학술대회 발표집 Vol.2017 No.05
Background : Codonopsis lanceolata is a perennial plant of Campanulaceae and mainly distributed in East Asia such as Korea, China, and Japan. C. lanceolata has a unique taste and aroma, and it is rich in minerals such as phosphorus and calcium, and vitamin B1 and B2, so our ancestors used the plant as medicinal herb and edible vegetable. However, systematic cultivation and development of varieties have not been achieved compared to demand or high added value. The genetic diversity and relationship analysis of the plants help to increase the efficiency of breeding through genetic variation. Methods and Results : Ten species of Codonopsis plants were used as materials and DNA was extracted from each 4 individuals per species and quantified at a concentration of 10 ng /㎕. The extracted DNA was pooled by species and PCR was performed using the EST-SSR marker developed based on C. lanceolata in the previous study. PCR amplification was carried out using a denaturation at 94℃ for 30 sec, annealing at 58℃ for 30 sec and extension at 72℃ for 30 sec, repeated for 35 total cycles. The PCR products were separated in a 4% agarose gell at 100 V for 40 min. Conclusion : In this study, C. lanceolata collections was determined among several Codonopsis species using these molecular marker. It is expected that the data of this study can be used as reference for genetic polymorphism analysis and related gene studies of Codonopsis species.