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Article Abstract
Quinoa (Chenopodium quinoa Willd.) is an herb of the genus Chenopodiaceae that is native to the Andes Mountains of South America. To understand the metabolic differences between various quinoa strains, we selected quinoa strains of four colors (black, red, yellow, and white) and we subjected seeds to extensive targeted metabolomics analysis using liquid chromatography-tandem mass spectrometry and transcriptomics analysis. In total, 90 flavonoid-related metabolites were detected in quinoa seeds of the four colors. We elucida ted the regulatory mechanisms of flavonoid biosynthesis in the different quinoa varieties, and thus identified key genes for flavonoid biosynthesis. The results showed that 18 flavone metabolites and 25 flavonoid-related genes were key contributors to flavonoid biosynthesis in quinoa seeds. The results of this study may provide a basis for the breeding and identification of new quinoa strains and for the screening of potential target genes in flavonoid biosynthesis regulation in quinoa.
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| http://dx.doi.org/10.1016/j.ygeno.2021.11.030 | DOI Listing |
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