Secondary Metabolism and Quality Regulation in Vegetables

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: closed (30 October 2025) | Viewed by 440

Special Issue Editor

College of Life Science, Nanjing Agricultural University, Nanjing, China
Interests: secondary metabolism; sprout vegetable; nutritional quality; anthocyanins
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Secondary metabolic products in vegetables, like flavonoids and lycopene, are not only helpful in attracting pollinators and seed dispersers and against bio- or abiotic stresses but are also bioavailable and have health benefits for humans. Therefore, the content of these secondary metabolic products is an important factor for the quality of vegetables. However, increasing the biosynthesis of these compounds, the underlying regulation mechanisms, and the evaluation of their actual function in human health remain to be elucidated.

This Special Issue will focus on the latest findings related to the regulation of the production and quality of vegetables. Papers on in vitro and in vivo biological activity and the potential health benefits of extracts or compounds isolated from vegetables are also welcome, as are papers dealing with their safety for human consumption. This Special Issue will include original research articles, reviews, and short communications.

Dr. Nana Su
Guest Editor

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Keywords

  • secondary metabolic products
  • vegetable quality
  • regulation mechanisms
  • bioactive substance
  • health benefit

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Published Papers (1 paper)

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Research

14 pages, 5117 KB  
Article
VrNAC25 Promotes Anthocyanin Synthesis in Mung Bean Sprouts Synergistically with VrMYB90
by Yaolei Zhu, Yao Liu, Fangfang You, Zixin Wan, Meilian Guo, Menghan Lu, Lu Yang, Xuezhu Wang, Jiajun Yang, Li Jia and Nana Su
Plants 2025, 14(23), 3667; https://doi.org/10.3390/plants14233667 - 2 Dec 2025
Viewed by 182
Abstract
Anthocyanins pigment plant tissues, mitigate biotic and abiotic stresses, and deliver human health benefits; raising their content in mung bean (Vigna radiata) sprouts is a long-standing research target. Transcriptome analysis identified VrNAC25, a NAC transcription factor whose expression closely parallels anthocyanin [...] Read more.
Anthocyanins pigment plant tissues, mitigate biotic and abiotic stresses, and deliver human health benefits; raising their content in mung bean (Vigna radiata) sprouts is a long-standing research target. Transcriptome analysis identified VrNAC25, a NAC transcription factor whose expression closely parallels anthocyanin accumulation; functional validation in mung bean confirmed that VrNAC25 acts as a positive regulator of the pathway. Although VrNAC25 does not bind to the promoters of the key structural genes VrDFR or VrLDOX, it indirectly controls anthocyanin synthesis by interacting with the core R2R3-MYB activator VrMYB90, previously established as the central regulator of anthocyanin production in mung beans. This interaction operates at both transcriptional and protein levels, thereby amplifying the expression of downstream structural genes and boosting pigment accumulation. Our findings refine the molecular network governing anthocyanin biosynthesis in sprouts and provide a clear theoretical basis for breeding or biotechnological strategies aimed at enhancing the nutritional quality and commercial value of mung bean products through light treatment or by selecting an anthocyanin-rich mung bean variety. Full article
(This article belongs to the Special Issue Secondary Metabolism and Quality Regulation in Vegetables)
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