Metabolic Patterns of Flavonoid and Its Key Gene Expression Characteristics of Five Cultivars of During Flower Development

Overview

Journal Plants (Basel)

Date 2024 Feb 10

PMID 38337991

Authors

Shu Li

Jing Chen

Xueying Guo

Xin Li

Qiang Shen

Xueqing Fu

Dongqin Tang

Affiliations

Soon will be listed here.

Abstract

Flower color is one of the most important ornamental traits of tulips (). Five typical tulip cultivars were selected to identify the flavonoid components and analyze their key gene expression in their tepals. Firstly, after preliminary determination of the pigment type, the flavonoids were identified by UPLC-Q-TOF-MS. A total of 17 anthoxanthins were detected in the five cultivars. The total anthoxanthin content in the white tulip and the red tulip showed a similar decreasing trend, while an increasing trend was observed in the black tulip. Similarly, a total of 13 anthocyanins were detected in five tulip cultivars. The black tulip contained the largest number of anthocyanins, mainly delphinidin derivatives (Dp) and cyanidin derivatives (Cy). The total anthocyanin content (TAC) in the orange, red, and black cultivars was higher than that in the white and yellow cultivars and presented an overall increase trend along with the flower development. , , , , and , as key structural genes, were involved in the flavonoid synthesis pathway, and the expression patterns of these genes are basically consistent with the components and accumulation patterns of flavonoids mentioned above. Taken together, the flower color in tulips was closely related to the composition and content of anthocyanins and anthoxanthins, which were indeed regulated by certain key structural genes in the flavonoid pathway.

Citing Articles

Integrative Transcriptomic and Metabolic Analyses Reveal That Flavonoid Biosynthesis Is the Key Pathway Regulating Pigment Deposition in Naturally Brown Cotton Fibers.

Shi S, Tang R, Hao X, Tang S, Chen W, Jiang C Plants (Basel). 2024; 13(15).

PMID: 39124145 PMC: 11314106. DOI: 10.3390/plants13152028.

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