Disequilibrium of Flavonol Synthase and Dihydroflavonol-4-Reductase Expression Associated Tightly to White vs. Red Color Flower Formation in Plants

Frontiers in Plant Science
Ping LuoManzhu Bao

Abstract

Flower color is the main character throughout the plant kingdom. Though substantial information exists regarding the structural and regulatory genes involved in anthocyanin and flavonol biosynthesis, little is known that what make a diverse white vs. red color flower in natural species. Here, the contents of pigments in seven species from varied phylogenetic location in plants with red and white flowers were determined. Flavonols could be detected in red and white flowers, but anthocyanins were almost undetectable in the white cultivar. Comparisons of expression patterns of gene related to the flavonoid biosynthesis indicated that disequilibrium expression of flavonol synthase (FLS) and dihydroflavonol-4-reductase (DFR) genes determined the accumulation of flavonols and anothcyanins in both red and white flowers of seven species. To further investigate the role of such common regulatory patterns in determining flower color, FLS genes were isolated from Rosa rugosa (RrFLS1), Prunus persica (PpFLS), and Petunia hybrida (PhFLS), and DFR genes were isolated from Rosa rugosa (RrDFR1) and Petunia hybrida (PhDFR). Heterologous expression of the FLS genes within tobacco host plants demonstrated conservation of function, with the transg...Continue Reading

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Citations

Feb 9, 2020·International Journal of Molecular Sciences·Sangkyu ParkSun-Hyung Lim
Jan 8, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Caibi ZhouLingyun Zhang
Apr 25, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Hongli LiuLingjuan Du
Mar 21, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Dylan O'Neill RothenbergLingyun Zhang
Apr 4, 2021·International Journal of Molecular Sciences·Helena Gómez-MartínezMaria L Badenes
Apr 4, 2021·Plants·Inger Bæksted HolmeHenrik Brinch-Pedersen
Jan 30, 2021·Genome Génome / Conseil National De Recherches Canada·Ling Ling LvKe Li
Jun 28, 2019·Journal of Agricultural and Food Chemistry·Sangkyu ParkSun-Hyung Lim
Dec 12, 2018·Journal of Agricultural and Food Chemistry·Yunlin CaoXian Li
Nov 2, 2021·Frontiers in Plant Science·Hanna Marie SchilbertDaniela Holtgräwe

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Methods Mentioned

BETA
PCR
transgenic

Software Mentioned

SAS
ClustalW
MEGA

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