期刊
FOOD CHEMISTRY
卷 356, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.129699
关键词
Transcriptional level; Selenium; Anthocyanins; MYB; bHLH
资金
- National Natural Science Foundation of China [31971939, 31671677]
- International Science and Technology Cooperation and Exchanges Programs of Science and Technology Department of Sichuan Province [2019YFH0063]
- Key Research and Development Program of Sichuan Province [17ZA0315]
Anthocyanins and selenium are important for human and plant biology, with pigmented fruits and vegetables having higher selenium concentration. Pigmented cultivars have higher selenium absorption efficiency and the relationship between anthocyanins and selenium may involve the coregulation of MYB and bHLH at the transcriptional level.
Anthocyanins and selenium have vital biological functions for human and plants, they were investigated thoroughly and separately in plants. Previous studies indicated pigmented fruits and vegetables had higher selenium concentration, but whether there is a relationship between anthocyanins and selenium is unclear. In this study, a combined phenotypic and genotypic methodological approach was undertaken to explore the potential relationship between anthocyanins and selenium accumulation by using phenotypic investigation and RNA-seq analysis. The results showed that pigmented cultivars enrichment in Se is a general phenomenon observed for these tested species, this due to pigmented cultivars have higher Se efficiency absorption. Se flow direction mainly improve concentration of S-rich proteins of LMW-GS. This may be a result of the MYB and bHLH coregulate anthocyanins biosynthesis and Se metabolism at the transcriptional level. This thesis addresses a neglected aspect of the relevant relationship between anthocyanins and selenium.
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