Academic Journal

The key metabolic genes and networks regulating the fruit acidity and flavonoid of Prunus mume revealed via transcriptomic and metabolomic analyses

Bibliographic Details
Title: The key metabolic genes and networks regulating the fruit acidity and flavonoid of Prunus mume revealed via transcriptomic and metabolomic analyses
Authors: Xuan Gao, Shuangshuang Wu, Guosheng Lv, Mengyang Wang, Lingxiang Li, Yahui Liu, Feng He, Jiaxin Xiao
Source: Frontiers in Plant Science, Vol 16 (2025)
Publisher Information: Frontiers Media S.A., 2025.
Publication Year: 2025
Collection: LCC:Plant culture
Subject Terms: Prunus mume, fruit quality, citric acid, flavonoid, metabolic genes, Plant culture, SB1-1110
Description: The acidic taste of Mei fruit (Prunus mume) is a major contributor to its quality, but its formation mechanism remains unclear. Here, we unraveled the networks of organic acid and flavonoid metabolism in two Mei fruit. The results showed that the differentially expressed genes were mainly concentrated in the processes of carbohydrate derivative binding, carboxylic acid, and organic acid metabolism. While the differentially accumulated metabolites were mainly associated with flavone and flavonol biosynthesis and amino acid and carbon metabolism. Moreover, we identified key metabolites, such as citric and succinic acids, which may be central to the development of acidity in Mei fruit, and determined that they are under the regulatory influence of specific genes, including galactinol-sucrose-galactosyltransferase 5, mitogen-activated protein kinase kinase kinase NPK1-like, glutamate receptor, and chalcone isomerase. Furthermore, transcription factors ERF027, bHLH92, bHLH35, and WRKY23 were identified as potential pivotal regulators within these networks. These results provide new insights into the metabolic regulation of acidity and flavonoid in Mei fruit.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1664-462X
Relation: https://www.frontiersin.org/articles/10.3389/fpls.2025.1544500/full; https://doaj.org/toc/1664-462X
DOI: 10.3389/fpls.2025.1544500
Access URL: https://doaj.org/article/21fe2cda83c4465c8cb54828e05388f1
Accession Number: edsdoj.21fe2cda83c4465c8cb54828e05388f1
Database: Directory of Open Access Journals
Description
ISSN:1664462X
DOI:10.3389/fpls.2025.1544500