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Plant Metabolomics: Metabolite Responses to Stress
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Plant Metabolomics: Metabolite Responses to Stress

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

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 6855

Special Issue Editors

Dr. Anthony Quéro

E-Mail Website
Guest Editor
UMR INRAE 1158 BioEcoAgro Biologie des Plantes et Innovation (UPJV), 1 rue des Louvels, 80 000 Amiens, France
Interests: biotic and abiotic stress; growth; metabolomics; specialized metabolites
Special Issues, Collections and Topics in MDPI journals
Dr. David Gagneul

E-Mail Website
Guest Editor
UMR-t INRAE 1158 BioEcoAgro, University of Lille, Villeneuve d’Ascq, F-59655 Lille, France
Interests: plant physiology; molecular plant biology; phytochemistry; metabolomics; specialized metabolites; terpenes and terpenoids; biosynthesic pathways
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plants are constantly exposed to environmental constraints during their development. These stresses are classified as biotic when they involve living organisms (fungi, bacteria, viruses, nematodes, etc.) or as abiotic when induced by the physico-chemical environment (water deficiency, extreme temperatures, excessive salinity, nutrient deficiency, heavy metals, UV, etc.). Exposure to these different constraints negatively affects plant growth and development and often leads to metabolism reconfigurations that reflect either plant adaptation responses or the detrimental effects of stress.

This Special Issue, “Plant Metabolomics: Metabolite Responses to Stress”, welcomes papers exploring the plasticity of the metabolome in response to stress. We welcome the submission of research on plant responses to stress at the metabolite level (non-targeted or targeted approaches) aiming to identify biomarkers of stress tolerance or to better understand the adaptive response of plants under stress conditions.

Dr. Anthony Quéro
Dr. David Gagneul
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • LC-MS
  • GC-MS
  • NMR
  • multivariate analysis

Published Papers (3 papers)

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Research

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18 pages, 2543 KiB  
Article
Phenological and Environmental Factors’ Impact on Secondary Metabolites in Medicinal Plant Cotinus coggygria Scop.
by Alexandra-Gabriela Ciocan, Victorița Tecuceanu, Cristian Enache-Preoteasa, Elena Monica Mitoi, Florența Elena Helepciuc, Tatiana Vassu Dimov, Alexandra Simon-Gruita and Gina Carmen Cogălniceanu
Plants 2023, 12(9), 1762; https://doi.org/10.3390/plants12091762 - 25 Apr 2023
Cited by 3 | Viewed by 2139
Abstract
Cotinus coggygria Scop. (smoketree) is a phytotherapeutically valuable shrub growing in specific areas in many Eurasian countries. Exploring the intrinsic and extrinsic (abiotic) factors that modulate its secondary metabolism has fundamental and applicative importance. Three smoketree plants from the same population were studied [...] Read more.
Cotinus coggygria Scop. (smoketree) is a phytotherapeutically valuable shrub growing in specific areas in many Eurasian countries. Exploring the intrinsic and extrinsic (abiotic) factors that modulate its secondary metabolism has fundamental and applicative importance. Three smoketree plants from the same population were studied for a period of 4.5 months. Their extracts were characterized using LC–MS/MS, HPLC–UV–VIS–DAD and colorimetric assays to determine the chemical composition and antioxidant potential. Multivariate analysis was applied to correlate the metabolomic data with registered habitat variables and phenological stages. The identified and quantified compounds belonged to the flavonoids (myricetin-3-O-galactoside, myricitrin) and hydrolysable tannins groups (pentagalloyl glucose, methyl gallate, methyl digallate I). Phenolic compounds and tannins were synthesized abundantly in the flowering and fruit stages, whereas flavonoids and triterpenes accumulated during senescence. The antioxidant activities varied between detection methods, samplings and individuals and were only punctually correlated with the compound contents in certain phenological stages. Based on the HCAbp analysis, the samples clustered under four groups, according to their metabolic profile. The CCA analysis revealed that during the reproductive stages (flower, fruit or seed), the secondary metabolism of the plants’ leaves is sensitive to the action of abiotic factors, while in senescence, the metabolic content is according to the phenological phase. This study provides a first attempt at understanding the interplay between the habitat and the metabolome of smoketree. Full article
(This article belongs to the Special Issue Plant Metabolomics: Metabolite Responses to Stress)
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17 pages, 3339 KiB  
Article
Heat and Cold-Stressed Individuals of Pistacia lentiscus (Mastic Tree) Do Modify Their Secreting Profile
by Aikaterina L. Stefi, Varvara Papaioannou, Theodora Nikou, Maria Halabalaki, Dido Vassilacopoulou and Nikolaos S. Christodoulakis
Plants 2022, 11(23), 3290; https://doi.org/10.3390/plants11233290 - 29 Nov 2022
Cited by 2 | Viewed by 1538
Abstract
Seedlings from the germinated seeds of Pistacia lentiscus were cultured in plant growth chambers for three months. Then, the plants were separated into three groups. Each group was cultured under different conditions. The first group was left to grow under normal Mediterranean conditions, [...] Read more.
Seedlings from the germinated seeds of Pistacia lentiscus were cultured in plant growth chambers for three months. Then, the plants were separated into three groups. Each group was cultured under different conditions. The first group was left to grow under normal Mediterranean conditions, as those recorded in spring. The other group was subjected to a ten-day heat stress while the last one also suffered a cold stress for ten days. The anatomical features of the leaves (leaf thickness, epidermal cell thickness, number of palisade layers, and development) between these three groups differed. The stressed plants accumulated large amounts of phenolics within their mesophyll cells. The biomass of the cold-stressed plants was minor, while it was high for the control plants. The oxidative stress was hardly detectable in the leaves of the control plants, while their heat-stressed counterparts suffered the highest concentration of reactive oxygen species. Differences concerning the absorption spectra of the three groups of leaves were not significant. An interesting incompatibility between the three groups concerned the expression of L-Dopa Decarboxylase, which climbed significantly in the heat-stressed plants. Finally, an interesting variation was observed concerning the concentrations of some biogenic amines/amino acids. This variation can be correlated to the other stress-induced reactions of the plants and, in some cases, was impressive. In conclusion, environmental stress can shift Pistacia lentiscus’ metabolism to synthesize different biogenic products, which can be considered as exploitable for the pharmaceutical or food industry. Full article
(This article belongs to the Special Issue Plant Metabolomics: Metabolite Responses to Stress)
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Review

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17 pages, 2274 KiB  
Review
Ginsenosides and Biotic Stress Responses of Ginseng
by Paul H. Goodwin and Madison A. Best
Plants 2023, 12(5), 1091; https://doi.org/10.3390/plants12051091 - 1 Mar 2023
Cited by 6 | Viewed by 2615
Abstract
Ginsenosides are saponins that possess a sugar moiety attached to a hydrophobic aglycone triterpenoid. They have been widely studied for their various medicinal benefits, such as their neuroprotective and anti-cancer activities, but their role in the biology of ginseng plants has been much [...] Read more.
Ginsenosides are saponins that possess a sugar moiety attached to a hydrophobic aglycone triterpenoid. They have been widely studied for their various medicinal benefits, such as their neuroprotective and anti-cancer activities, but their role in the biology of ginseng plants has been much less widely documented. In the wild, ginsengs are slow-growing perennials with roots that can survive for approximately 30 years; thus, they need to defend themselves against many potential biotic stresses over many decades. Biotic stresses would be a major natural selection pressure and may at least partially explain why ginseng roots expend considerable resources in order to accumulate relatively large amounts of ginsenosides. Ginsenosides may provide ginseng with antimicrobial activity against pathogens, antifeedant activity against insects and other herbivores, and allelopathic activity against other plants. In addition, the interaction of ginseng with pathogenic and non-pathogenic microorganisms and their elicitors may trigger increases in different root ginsenosides and associated gene expression, although some pathogens may be able to suppress this behavior. While not covered in this review, ginsenosides also have roles in ginseng development and abiotic stress tolerance. This review shows that there is considerable evidence supporting ginsenosides as important elements of ginseng’s defense against a variety of biotic stresses. Full article
(This article belongs to the Special Issue Plant Metabolomics: Metabolite Responses to Stress)
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