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한국 재래종 콩 유전자원의 이소플라본 함량과 수량관련형질에 대한 연차간 비교
윤혜명(Hyemyeong Yoon),이정윤(Jungyoon Yi),케베데 타예 데스타(Kebede taye Desta),신명재(Myong-Jae Shin),이윤정(Yoonjung Lee),이수경(Sukyeung Lee),왕샤오한(Xiaohan Wang),최유미(Yu-Mi Choi),이성우(Sungwoo Lee) 한국육종학회 2021 한국육종학회지 Vol.53 No.4
In this study, composition and agronomic traits, including yield-related traits, were investigated and compared among 35 Korean landracegermplasm for two years (2019 and 2020). The contents of 12 isoflavones were measured using high-performance liquid chromatography, and agronomictrait data were collected according to the Rural Development Administration criteria. Comparing isoflavone composition between the two years,all isoflavones, except glycitein, were generally higher in 2019. The values of yield-related and major agronomic traits decreased in most accessionsin 2020. ANOVA showed highly significant differences (p<0.001) in genotypes, years, and genotype-by-year interaction for all isoflavones, the numberof pods per plant, and 100-seed weight. The number of seeds per pod, days to flowering, and days to maturity also showed significant differencesamong genotypes, as well as between the two years. Correlation analysis revealed that daidzin and genistin were positively correlated with theirmalonylated form. Malonyl daidzin was also positively correlated with malonyl genistin levels. The accessions with the least variation in the totalisoflavone content were IT 153844 (907.5 μg/g, 898.6 μg/g) and IT 252252 (663.2 μg/g, 636.4 μg/g). Some of the evaluated landraces will bea promising genetic source for developing soybean varieties with high levels of environmental stability in isoflavone content and agronomic traits.
Kebede Taye Desta,윤혜명(Hyemyeong Yoon),신명재(Myoung-Jae Shin),이수경(Sukyeung Lee),Xiaohan Wang,최유미(Yu-Mi Choi),전영아(Young-ah Jeon),주영광(YoungKwang Ju),이정윤(JungYoon Yi) 한국작물학회 2023 한국작물학회지 Vol.68 No.3
Seed color is controlled by several genes and is a key trait in determining the metabolite content and biological activities of legume genotypes. In this study, 296 adzuki bean accessions, including 159 grey, 99 red, and 38 white adzuki beans, were grown in Korea. Variations in total phenolic content (TPC), total saponin content (TSC), DPPH• scavenging activity, ABTS•+ scavenging activity, and ferric reducing antioxidant power (FRAP) were assessed and were reported to be in the ranges of 1.52- 8.24 mg GAE/g, 14.36-114.22 mg DE/g, 0.23-12.84 mg AAE/g, 1.05-17.66 mg TE/g, and 0.59-13.14 mg AAE/g, respectively, with a wide variation across adzuki beans. Except for DPPH• scavenging activity, the average values declined in the order gray > red > white adzuki beans, each demonstrating a significant variation (p < 0.05). White adzuki beans, which showed low metabolite content and antioxidant activity, were clearly separated from the gray and red genotypes using principal component and hierarchical cluster analyses. Moreover, TPC, TSC, and antioxidant activities were strongly correlated, regardless of seed color. Overall, the diversity of the TPC, TSC, and antioxidant activity in a broad population of adzuki bean genotypes was determined. Furthermore, this study found that seed color variation in adzuki beans had a significant effect on the metabolite content and antioxidant activity. Superior accessions with high levels of TPC, TSC, and antioxidant activity were also discovered and could be used for functional plant breeding and human consumption. The findings of this study may be useful for understanding the relationship between seed coat color and metabolite concentration in adzuki beans, paving the way for molecular-level analyses.