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Genetic Diversity Analysis of Panax ginseng Genetic Resources using Molecular Markers
Enkhtsetseg Yeruult,Moon Kyo Kim(김문교),Jin Su Gil(길진수),Tsend-Ayush Sarantuya,Mi Sun Lee(이미선),Ju Hyeok Kim(김주혁),Yurry Um(엄유리),Yong Min Kim(김영민),Jae Kyung Byun(변재경),Yi Lee(이이) 한국약용작물학회 2020 한국약용작물학회 학술대회논문집 Vol.2020 No.1
Kim Moonkyo,Yeruult Enkhtsetseg,Lee Dong Geun,Oh Ha Kyung,Lee Mi Sun,Kim Juhyeok,Park Sang Ik,Gil Jinsu,Lee Kyeong Hee,이문순,Lee Yi 한국원예학회 2024 Horticulture, Environment, and Biotechnology Vol.65 No.3
Jujube ( Ziziphus jujuba Mill.) is a plant belonging to the genus Ziziphus of the family Rhamnaceae. Z. jujuba is generally rich in nutrients—vitamin C, thiamin, and ribofl avin—making it an excellent source of functional food. Z. jujuba cultivation has a long history, resulting in the creation of numerous cultivars, and the economic value of this plant has recently been on the rise. Therefore, there is a need for easy and accurate methods to distinguish the cultivars. We developed insertion or deletion (InDel) markers using chloroplast (CP) DNA to identify Z. jujuba cultivars. A total of 192 InDel loci were found and 21 InDel markers were developed. Twenty-two InDel markers were used for diversity analysis, including the Zj-InDel-1 marker developed in the previous study. The size of the InDel loci varied from 4 to 200 bp. The maximum value of polymorphism information content (PIC) was 0.35, the minimum value was 0.03, and the average was 0.31. The 61 Z. jujuba cultivars were grouped into 8 CP types by the 22 CP InDel markers. The ‘Dongjo’, ‘Sanjo’, ‘Tibetwang’ and ‘Wolgwang’ cultivars were classifi ed independently among the 61 cultivars. The InDel markers developed in this study could be used for cultivar identifi cation and breeding of Z. jujuba .
Yi Lee,Moon Kyo Kim,Mi Sun Lee,Juhyeok Kim,Enkhtsetseg Yeruult,Suk-Yoon Kwon,Sol Ji Noh,Seong Won Park 한국원예학회 2021 한국원예학회 학술발표요지 Vol.2021 No.10
Watermelon (Citrullus lanatus) is an important fruit that grows in temperate tropical climates around the world. In this study, quantitative trait loci (QTL) analysis was performed using the genotypes and phenotypes of 87 F2 populations derived from CBARES1 and CBARES2 from the Korean watermelon resources. A total of 37 quantitative traits related to leaves, stems, flowers, and fruits were investigated. The single nucleotide polymorphism (SNP) locus and the insertion or deletion (InDel) locus were found by comparing the nucleotide sequences of the parent generation, CBARES1 and CBARES2. SNP markers were genotyped through resequencing and InDel markers genotyped through PCR and electrophoresis. A linkage map with a total length of 3036.90 cM was constructed consisting of 1,539 SNP markers and 80 InDel markers. InDel data from the actual experimental results were compared with SNP data to confirm the linkage distance and location on the chromosome. As a result, from the 80 InDel markers, 56 were matched to the SNP location and 24 slightly deviated. QTL analysis with the inclusive composite interval mapping (ICIM) method revealed that 37 traits showed significant QTL results in 73 regions of the chromosome. The epistasis QTL analysis was performed to supplement the part that did not show a clear logarithm of the odds ratio (LOD) value due to the additive effect. The linkage map and QTL created in this study are important resources for gene discovery and improvement of watermelon quality.