Multiomics Analyses Reveal the Dual Role of Flavonoids in Pigmentation and Abiotic Stress Tolerance of Soybean Seeds
文献类型： 外文期刊
作者： Jiang, Ling 1 ; Yang, Xiaofeng 1 ; Gao, Xiewang 1 ; Yang, Hui 4 ; Ma, Shumei 5 ; Huang, Shan 1 ; Zhu, Jianyu 1 ; Zhou, Hong 1 ; Li, Xiaohong 1 ; Gu, Xiaoyan 1 ; Zhou, Hongming 4 ; Liang, Zeya 4 ; Yang, Antong 4 ; Huang, Yong 2 ; Xiao, Mu 2 ;
作者机构： 1.Hunan Acad Agr Sci, Crop Res Inst, Changsha 410125, Peoples R China
2.Yuelushan Lab, Changsha 410128, Peoples R China
3.Chinese Univ Hong Kong, Sch Life Sci, Hong Kong 999077, Peoples R China
4.Hunan Agr Univ, Coll Agron, Changsha 410128, Peoples R China
5.Hunan Univ Sci & Technol, Sch Life Sci, Hunan Key Lab Econ Crops Genet Improvement & Integ, Xiangtan 411201, Peoples R China
6.Hunan Agr Univ, Key Lab Hunan Prov Crop Epigenet Regulat & Dev, Changsha 410128, Peoples R China
7.Hunan Agr Univ, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China
关键词： soybean; seedcoat color; abiotic stress; multiomics; flavonoids
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.1； 五年影响因子：6.3 ）
ISSN： 0021-8561
年卷期： 2024 年 72 卷 6 期
页码：
收录情况： SCI
摘要： The color of the seed coat has great diversity and is regarded as a biomarker of metabolic variations. Here we isolated a soybean variant (BLK) from a population of recombinant inbred lines with a black seed coat, while its sibling plants have yellow seed coats (YL). The BLK and YL plants showed no obvious differences in vegetative growth and seed weight. However, the BLK seeds had higher anthocyanins and flavonoids level and showed tolerance to various abiotic stresses including herbicide, oxidation, salt, and alkalinity during germination. Integrated metabolomic and transcriptomic analyses revealed that the upregulation of biosynthetic genes probably contributed to the overaccumulation of flavonoids in BLK seeds. The transient expression of those biosynthetic genes in soybean root hairs increased the levels of total flavonoids or anthocyanins. Our study revealed the molecular basis of flavonoid accumulation in soybean seeds, leveraging genetic engineering for both nutritious and stress-tolerant soybean germplasm.
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