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Construction of Eggplant core collection with various agronomic traits in Solanum
Nayoung Ro,Gyu-Taek Cho,Jung-Ro Lee,Seungbum Lee,Raveendar Sebastin 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Eggplant (Solanum melongena L.) is a plant species in the Solanaceae family, which believed to be originated from eastern India. Eggplant has rich in minerals, polyphenols, and dietary fiber, which has been reported to have anticancer, and antioxidant activities. Core collection with a minimum number of accessions and maximum genetic diversity within plant species and its wild relatives will facilitate easy access of the genetic material as well as the sustainable use of hidden genetic diversity. In this study, the morphological characteristics of eggplant genetic resources collected at home and abroad were investigated to provide basic data for breeding. The eggplant resources used in this study were 587 resources collected from 50 countries, including 80 resources in the Philippines, 44 resources in China, and 16 resources in Korea. A total of 288 accessions were selected from 587 Solanum accessions based on 52 SNP markers from genome-wide distribution together with 17 morphological traits using a systematic approach. This core collection will be a primary resource for eggplant breeders and researchers for further genetic association and functional analyses.
Sukyeung Lee,Myeongchul Lee,Yumi Choi,Nayoung Ro,Jong-wook Chung 한국육종학회 2014 한국육종학회 심포지엄 Vol.2014 No.07
This study is to raise the utilization of genetic resource of wheat (Triticum aestivum) landrace by evaluating genetic variation related to end use quality of the Far East. Allelic composition of HMW-glutenin subunits encoded by genes of Glu-1 loci associated with bread baking quality was investigated in 324 wheat landrace genetic resources originated from Korea, China, and Japan. The most frequent combination of HMW-glutenin subunits were Glu-A1c, Glu-B1b in Korean and Japanese resources, but Glu-A1a and Glu-B1c were the most in Chinese resources. By using the Glu-1 score system, 24 accessions were evaluated as 10 out of 10. As for genetic diversity, represented by polymorphic information content(PIC) index, the level of variation of Korean landrace(0.245) was lower than that in China(0.569) and Japan(0.294). When it comes to unique composition, Glu-B1f(13+16) and Glu-D1f(2+10) subunits are only in Chinese resources. Glu-B1d(6+8), Glu-B1e(20), Glu-D1b(7+8), and Glu-D1c (7+9) subunits are only in Korean resources. Consequently, this study showed that Chinese landrace collection was the most highly diverse and had distinctive characteristics compared to Korean and Japanese one. Especially, some resources having preferable genetic stock or high Glu-1 score can be valuable for wheat breeding program.
[PG-0009] Antioxidant activities and phytochemical contents of diverse representative tea germplasm
Gi-An Lee(Gi-An Lee),Nayoung Ro(Nayoung Ro),Do Yoon Hyun(Do Yoon Hyun),Gwang-Yeon Gi(Gwang-Yeon Gi),Kyung Jun Lee(Kyung Jun Lee),Weilan Li(Weilan Li),Eun Ae Yoo(Eun Ae Yoo),SooKyeong Lee(SooKyeong Lee 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-