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Zhang Feng Huang Jiacheng Guo Hao Yang Chenkun Li Yufei Shen Shuangqian Zhan Chuansong Qu Lianghuan Liu Xianqing Wang Shouchuang Chen Wei Luo Jie 《中国科学:生命科学英文版》2022,65(7):1380-1394
Science China Life Sciences - Plants produce specialized metabolites to adapt to the ever-changing environments. Flavonoids are antioxidants essential for growth, development, and breeding with... 相似文献
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Yufei Li Chenkun Yang Hasan Ahmad Mohamed Maher Chuanying Fang Jie Luo 《植物学报(英文版)》2021,63(1):210-227
Vitamins maintain growth and development in humans, animals, and plants. Because plants serve as essential producers of vitamins, increasing the vitamin contents in plants has become a goal of crop breeding worldwide. Here, we begin with a summary of the functions of vitamins. We then review the achievements to date in elucidating the molecular mechanisms underlying how vitamins are synthesized, transported, and regulated in plants. We also stress the exploration of variation in vitamins by the use of forward genetic approaches, such as quantitative trait locus mapping and genome-wide association studies. Overall, we conclude that exploring the diversity of vitamins could provide new insights into plant metabolism and crop breeding. 相似文献
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Shuangqian Shen Shouchuang Wang Chenkun Yang Chao Wang Qianqian Zhou Shen Zhou Ran Zhang Yufei Li Zixuan Wang Liupan Dai Wenjv Peng Yingchen Hao Hao Guo Guangping Cao Xianqing Liu Fan Yao Qiang Xu Alisdair R. Fernie Jie Luo 《植物学报(英文版)》2023,65(11):2505-2518
Specialized plant metabolism is a rich resource of compounds for drug discovery. The acylated flavonoid glycoside melitidin is being developed as an anti-cholesterol statin drug candidate, but its biosynthetic route in plants has not yet been fully characterized. Here, we describe the gene discovery and functional characterization of a new flavonoid gene cluster (UDP-glucuronosyltransferases (CgUGTs), 1,2 rhamnosyltransferase (Cg1,2RhaT), acyltransferases (CgATs)) that is responsible for melitidin biosynthesis in pummelo (Citrus grandis (L.) Osbeck). Population variation analysis indicated that the tailoring of acyltransferases, specific for bitter substrates, mainly determine the natural abundance of melitidin. Moreover, 3-hydroxy-3-methylglutaryl-CoA reductase enzyme inhibition assays showed that the product from this metabolic gene cluster, melitidin, may be an effective anti-cholesterol statin drug candidate. Co-expression of these clustered genes in Nicotiana benthamiana resulted in the formation of melitidin, demonstrating the potential for metabolic engineering of melitidin in a heterologous plant system. This study establishes a biosynthetic pathway for melitidin, which provides genetic resources for the breeding and genetic improvement of pummelo aimed at fortifying the content of biologically active metabolites. 相似文献
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Rewiring of the Fruit Metabolome in Tomato Breeding 总被引:6,自引:0,他引:6
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