New Insights in Plant Metabolism and Chemodiversity

A special issue of Metabolites (ISSN 2218-1989). This special issue belongs to the section "Plant Metabolism".

Deadline for manuscript submissions: 15 February 2025 | Viewed by 2540

Special Issue Editors


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Guest Editor
Instituto de Educação, Agricultura e Ambiente, Universidade Federal do Amazonas, Humaitá 69800-000, Amazonas, Brazil
Interests: plant physiology; oxphos; responses to stress; phylogenetic analysis

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Guest Editor
Department of Agriculture, Federal University of Paraíba, Bananeiras 58220-000, PB, Brazil
Interests: plant metagenomics; plant–fungi interactions; microbial inoculants; soil ecology; fungal metagenomics
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Special Issue Information

Dear Colleagues,

Plants’ wide-ranging metabolic diversity reflects the physiological context facing cells and tissues, and whole organisms. As both sessile and autotrophic organisms, plants have developed a sophisticated branched metabolic pathway, resulting in rich chemical production referred as chemodiversity. This vast chemical arsenal is used in plant defense, ecological interaction or for bioeconomical purposes, and has numerous useful applications. 

For our Special Issue, “New Insights in Plant Metabolism and Chemodiversity”, we are seeking submissions of cutting-edge research articles highlighting the functionality of chemodiversity in plants in an environmental, stress or even biotechnological context. Works addressing how plants modulate their chemodiversity in response to biotic and abiotic factors, and which techniques and approaches are promising for understanding these relationships and unlocking plant biodiversity, are of particular interest.

Areas of interest include (but are not limited to): plant omics, molecular biology, biochemistry, physiology, and evolution in plants’ primary and specialized (secondary) metabolism.

Dr. João Henrique Frota Cavalcanti
Dr. Diego S. Batista
Guest Editors

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Keywords

  • plant metabolism
  • chemodiversity
  • abiotic stress
  • biotic elicitors
  • secondary metabolites
  • metabolic pathways

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Published Papers (2 papers)

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Research

28 pages, 7612 KiB  
Article
Drug or Toxic? A Brief Understanding of the Edible Corolla of Rhododendron decorum Franch. by Bai Nationality with Comparative Metabolomics Analysis
by Weiwei Liu, Ling Wang, Chenghua Yu, Zhongyu Fan, Kaiye Yang and Xinchun Mo
Metabolites 2024, 14(9), 484; https://doi.org/10.3390/metabo14090484 - 4 Sep 2024
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Abstract
Rhododendron is a traditional ornamental and medicinal plant in China, renowned for its aesthetic appeal and therapeutic properties. Regarding Rhododendron decorum Franch., mainly distributed in Yunnan Province, its corolla is regarded as an edible food by the Bai ethnic group in Yunnan Province. [...] Read more.
Rhododendron is a traditional ornamental and medicinal plant in China, renowned for its aesthetic appeal and therapeutic properties. Regarding Rhododendron decorum Franch., mainly distributed in Yunnan Province, its corolla is regarded as an edible food by the Bai ethnic group in Yunnan Province. However, it is still unclear why the Bai people choose to use the Rhododendron species in their seasonal diet. Here, we employed comparative metabolomics analysis to explore the variations in the metabolites and the enriched biosynthesis pathways within the different floral organs of R. decorum Franch. from Heqing and Yulong County. The metabolite analysis showed that 1340 metabolites were identified from the floral organs in the two regions. Comparing the different flower organs of the same region, 85 differential accumulated metabolites (DAMs) were found from the androecium/gynoecium and corolla in the same region, and 66 DAMs were identified from the same organ in different regions. The KEGG pathway and network analysis revealed significant disparities in both the metabolite composition and enriched pathways among the different floral organs or when comparing the same floral organs across diverse regions, with geographical variations exerting even stronger influences. From the perspective of resource utilization, it was observed that the R. decorum Franch. populations in Heqing County exhibited the greater accumulation of secondary metabolites within their flowers, rendering them more advantageous for medicinal purposes, albeit potentially more toxic. This study provides novel insights into the utilization of corollaries for potential de novo pharmacy development. Full article
(This article belongs to the Special Issue New Insights in Plant Metabolism and Chemodiversity)
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11 pages, 1632 KiB  
Article
Tolerance Mechanisms and Removal Efficiency of Chlorella pyrenoidosa in Treating 3-Fluorophenol Pollution
by Min Li, Zhenfang Shang, Yonglan Ma, Huijun Zhao, Zhijing Ni, Zhaojun Wei and Xiu Zhang
Metabolites 2024, 14(8), 449; https://doi.org/10.3390/metabo14080449 - 15 Aug 2024
Viewed by 1400
Abstract
This study investigates the growth tolerance mechanisms of Chlorella pyrenoidosa to 3-fluorophenol and its removal efficiency by algal cells. Our results indicate that C. pyrenoidosa can tolerate up to 100 mg/L of 3-fluorophenol, exhibiting a significant hormesis effect characterized by initial inhibition followed [...] Read more.
This study investigates the growth tolerance mechanisms of Chlorella pyrenoidosa to 3-fluorophenol and its removal efficiency by algal cells. Our results indicate that C. pyrenoidosa can tolerate up to 100 mg/L of 3-fluorophenol, exhibiting a significant hormesis effect characterized by initial inhibition followed by promotion of growth. In C. pyrenoidosa cells, the activities of superoxide dismutase (SOD) and catalase (CAT), as well as the levels of malondialdehyde (MDA) and reactive oxygen species (ROS), were higher than or comparable to the control group. Metabolic analysis revealed that the 3-fluorophenol treatment activated pathways, such as glycerol phospholipid metabolism, autophagy, glycosylphosphatidylinositol (GPI)-anchored protein biosynthesis, and phenylpropanoid biosynthesis, contributed to the stabilization of cell membrane structures and enhanced cell repair capacity. After 240 h of treatment, over 50% of 3-fluorophenol was removed by algal cells, primarily through adsorption. Thus, C. pyrenoidosa shows potential as an effective biosorbent for the bioremediation of 3-fluorophenol. Full article
(This article belongs to the Special Issue New Insights in Plant Metabolism and Chemodiversity)
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