Comparative analysis of the difference in flavonoid metabolic pathway during coloring between red-yellow and red sweet cherry (Prunus avium L.)
•Anthocyanins but not carotenoids determine the color of sweet cherry fruits.•The difference between red-yellow and red sweet cherry may be attributed to seven anthocyanins.•The content of 85 flavonols differed between red and red-yellow sweet cherries.•Fifteen key structural genes were involved in...
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Veröffentlicht in: | Gene 2023-09, Vol.880, p.147602-147602, Article 147602 |
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Sprache: | eng |
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Zusammenfassung: | •Anthocyanins but not carotenoids determine the color of sweet cherry fruits.•The difference between red-yellow and red sweet cherry may be attributed to seven anthocyanins.•The content of 85 flavonols differed between red and red-yellow sweet cherries.•Fifteen key structural genes were involved in the flavonoid metabolic pathway.
The color of a fruit is an important contributor to the perception of its nutritional value. It is widely acknowledged that the color of sweet cherry changes obviously during ripening. Variations in anthocyanins and flavonoids account for the heterogeneous color of sweet cherries. In this study, we showed that anthocyanins but not carotenoids determine the color of sweet cherry fruits. The difference between red-yellow and red sweet cherry may be attributed to seven anthocyanins, including Cyanidin-3-O-arabinoside, Cyanidin-3,5-O-diglucoside, Cyanidin 3-xyloside, Peonidin-3-O-glucoside, Peonidin-3-O-rutinoside, Cyanidin-3-O-galactoside, Cyanidin-3-O-glucoside (Kuromanin), Peonidin-3-O-rutinoside-5-O-glucoside, Pelargonidin-3-O-glucoside and Pelargonidin-3-O-rutinoside. The content of 85 flavonols differed between red and red-yellow sweet cherries. The transcriptional analysis identified 15 key structural genes involved in the flavonoid metabolic pathway and four R2R3-MYB transcription factors. The expression level of Pac4CL, PacPAL, PacCHS1, PacCHS2, PacCHI, PacF3H1, PacF3H2, PacF3′H, PacDFR, PacANS1, PacANS2, PacBZ1 and four R2R3-MYB were positively correlated with anthocyanin content (ps |
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ISSN: | 0378-1119 1879-0038 |
DOI: | 10.1016/j.gene.2023.147602 |