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Regulation and Application of Bioactive Metabolites in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Bioactives and Nutraceuticals".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1535

Special Issue Editors

National Forestry and Grassland Southwest Engineering Technology Research Centre of Taxus, Sichuan Agricultural University, Dujiangyan, China
Interests: polysaccharides; carbohydrate polymers; glycoproteins
Special Issues, Collections and Topics in MDPI journals
Department of Landscape Plants, Sichuan Agriculture University, Chengdu 611130, China
Interests: medicinal plants; biosynthesis; active ingredients; regulation mechanism
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The value of medicinal plants mainly comes from the secondary or primary metabolites they produce. Analyzing the mechanism of the interaction between the accumulation of metabolites and environmental conditions for growth using molecular biology technology is an important research direction for solving the problem of medicinal plant cultivation. On the basis of genomics research, we are able to clone genes related to enzymes involved in secondary metabolic pathways, analyze the synthesis pathways of plant metabolites, and combine metabolic engineering technology to increase compound production. At the same time, molecular technology is used to analyze the pharmacological mechanisms of these compounds, which is of great significance for enhancing the medicinal value of medicinal plants and promoting their application in the pharmaceutical industry.

This Special Issue includes, but is not limited to, the following topics:

  1. Genes related to biosynthesis;
  2. Metabolic pathways;
  3. Regulation of secondary metabolites;
  4. Pharmacological mechanism of compounds.

Prof. Dr. Aoxue Luo
Dr. Yijun Fan
Guest Editors

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Keywords

  • medicinal plants
  • biosynthesis
  • biological activity
  • regulation
  • pharmacological mechanism

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Published Papers (1 paper)

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Research

24 pages, 4134 KiB  
Article
Effect of Light Conditions, Trichoderma Fungi and Food Polymers on Growth and Profile of Biologically Active Compounds in Thymus vulgaris and Thymus serpyllum
by Kamila Kulbat-Warycha, Justyna Nawrocka, Liliana Kozłowska and Dorota Żyżelewicz
Int. J. Mol. Sci. 2024, 25(9), 4846; https://doi.org/10.3390/ijms25094846 - 29 Apr 2024
Cited by 2 | Viewed by 1019
Abstract
The research investigates the influence of different lighting conditions and soil treatments, in particular the application of food polymers separately and in combination with spores of Trichoderma consortium, on the growth and development of herbs—Thymus vulgaris and Thymus serpyllum. The metabolic [...] Read more.
The research investigates the influence of different lighting conditions and soil treatments, in particular the application of food polymers separately and in combination with spores of Trichoderma consortium, on the growth and development of herbs—Thymus vulgaris and Thymus serpyllum. The metabolic analysis focuses on detecting changes in the levels of biologically active compounds such as chlorophyll a and b, anthocyanins, carotenoids, phenolic compounds (including flavonoids), terpenoids, and volatile organic compounds with potential health-promoting properties. By investigating these factors, the study aims to provide insights into how environmental conditions affect the growth and chemical composition of selected plants and to shed light on potential strategies for optimising the cultivation of these herbs for the improved quality and production of bioactive compounds. Under the influence of additional lighting, the growth of T. vulgaris and T. serpyllum seedlings was greatly accelerated, resulting in an increase in shoot biomass and length, and in the case of T. vulgaris, an increase in carotenoid and anthocyanin contents. Regarding secondary metabolites, the most pronounced changes were observed in total antioxidant capacity and flavonoid content, which increased significantly under the influence of additional lighting. The simultaneous or separate application of Trichoderma and food polymers resulted in an increase in flavonoid content in the leaves of both Thymus species. The increase in terpenoid content under supplemental light appears to be related to the presence of Trichoderma spores as well as food polymers added to the soil. However, the nature of these changes depends on the thyme species. Volatile compounds were analysed using an electronic nose (E-nose). Eight volatile compounds (VOCs) were tentatively identified in the vapours of T. vulgaris and T. serpyllum: α-pinene, myrcene, α-terpinene, γ-terpinene; 1,8-cineole (eucalyptol), thymol, carvacrol, and eugenol. Tendencies to increase the percentage of thymol and γ-terpinene under supplemental lighting were observed. The results also demonstrate a positive effect of food polymers and, to a lesser extent, Trichoderma fungi on the synthesis of VOCs with health-promoting properties. The effect of Trichoderma and food polymers on individual VOCs was positive in some cases for thymol and γ-terpinene. Full article
(This article belongs to the Special Issue Regulation and Application of Bioactive Metabolites in Plants)
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