Comparative metabolomics combined with genome sequencing provides insights into novel wolfberry-specific metabolites and their formation mechanisms
文献类型： 外文期刊
作者： Long, Qiyuan 1 ; Zhang, Changjian 1 ; Zhu, Hui 1 ; Zhou, Yutong 2 ; Liu, Shuo 1 ; Liu, Yanchen 1 ; Ma, Xuemin 3 ; An, Wei 4 ; Zhou, Jun 5 ; Zhao, Jianhua 4 ; Zhang, Yuanyuan 1 ; Jin, Cheng 1 ;
作者机构： 1.Hainan Univ, Sanya Inst Breeding & Multiplicat, Sch Breeding & Multiplicat, Sanya, Peoples R China
2.Hainan Univ, Sch Trop Agr & Forestry, Hainan, Peoples R China
3.Swedish Univ Agr Sci, Dept Forest Genet & Plant Physiol, Umea, Sweden
4.Ningxia Acad Agr & Forestry Sci, Wolfberry Sci Res Inst, Natl Wolfberry Engn Res Ctr, Yinchuan 750002, Peoples R China
5.North Minzu Univ, Coll Biol Sci & Engn, Yinchuan 750021, Peoples R China
关键词： metabolome; nutrition; riboflavin; phenyllactate; copy number variation
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2024 年 15 卷
页码：
收录情况： SCI
摘要： Wolfberry (Lycium, of the family Solanaceae) has special nutritional benefits due to its valuable metabolites. Here, 16 wolfberry-specific metabolites were identified by comparing the metabolome of wolfberry with those of six species, including maize, rice, wheat, soybean, tomato and grape. The copy numbers of the riboflavin and phenyllactate degradation genes riboflavin kinase (RFK) and phenyllactate UDP-glycosyltransferase (UGT1) were lower in wolfberry than in other species, while the copy number of the phenyllactate synthesis gene hydroxyphenyl-pyruvate reductase (HPPR) was higher in wolfberry, suggesting that the copy number variation of these genes among species may be the main reason for the specific accumulation of riboflavin and phenyllactate in wolfberry. Moreover, the metabolome-based neighbor-joining tree revealed distinct clustering of monocots and dicots, suggesting that metabolites could reflect the evolutionary relationship among those species. Taken together, we identified 16 specific metabolites in wolfberry and provided new insight into the accumulation mechanism of species-specific metabolites at the genomic level.
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