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Plants
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Metabolomics for Plant Stress Response
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Metabolomics for Plant Stress Response

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (30 April 2021) | Viewed by 5757

Special Issue Editors

Dr. Jwakyung Sung

E-Mail Website
Guest Editor
Department of Crop Science, Chungbuk National University, Cheongju 28644, Republic of Korea
Interests: metabolomics; transcriptomics; shoot-root communication; carbohydrate metabolism; abiotic stresses; plant nutrition
Special Issues, Collections and Topics in MDPI journals
Dr. Yangmin X. Kim

E-Mail Website1 Website2
Guest Editor
National Institute of Agricultural Sciences, Wanju 55365, Republic of Korea
Interests: plant–water relations; plant nutrition; abiotic stress response
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

All plants, including crops, always experience a variety of environmental conditions, and they undergo physiological changes. The titular “Plant Stress Response” is a scientific field that has been explored by many researchers; nevertheless, there are still challenges to be elucidated to expand our current knowledge. The main purpose of this Special Issue is to globally understand metabolic changes based on plant responses against stress conditions, and also to find out what is the common and main mechanism of plants under abiotic/biotic stresses. In addition, stress-specific responses are to be further explained by a combination of high throughput omics technologies. The study of plant stress response will provide us important messages on how plants grow and develop from cell to whole plants, cope with their environments, and finally how they should be managed to survive.

Dr. Jwakyung Sung
Dr. Yangmin X. Kim
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

  • Climate change
  • Abiotic stress
  • Biotic stress
  • CN metabolism
  • Secondary metabolism
  • Omics
  • Allocation and Distribution
  • Assimilation
  • Transport

Published Papers (2 papers)

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Research

13 pages, 16355 KiB  
Article
Combined Effects of Nutrients × Water × Light on Metabolite Composition in Tomato Fruits (Solanum Lycopersicum L.)
by Yangmin X. Kim, Suyoung Son, Seulbi Lee, Eunsung Jung, Yejin Lee, Jwakyung Sung and Choonghwan Lee
Plants 2021, 10(7), 1437; https://doi.org/10.3390/plants10071437 - 14 Jul 2021
Cited by 8 | Viewed by 2083
Abstract
Tomato cultivation in the greenhouse can be facilitated by supplemental light. We compared the combined effects of nutrients, water, and supplemental light (red) on tomato fruit quality. To do this, three different nutrient conditions were tested, i.e., (1) low N, (2) standard N, [...] Read more.
Tomato cultivation in the greenhouse can be facilitated by supplemental light. We compared the combined effects of nutrients, water, and supplemental light (red) on tomato fruit quality. To do this, three different nutrient conditions were tested, i.e., (1) low N, (2) standard N, and (3) high N. Water was supplied either at −30 kPa (sufficient) or −80 kPa (limited) of soil water potential. Supplemental red LED light was turned either on or off. The metabolites from tomato fruits were profiled using non-targeted mass spectrometry (MS)-based metabolomic approaches. The lycopene content was highest in the condition of high N and limited water in the absence of supplemental light. In the absence of red lighting, the lycopene contents were greatly affected by nutrient and water conditions. Under the red lighting, the nutrient and water conditions did not play an important role in enhancing lycopene content. Lower N resulted in low amino acids. Low N was also likely to enhance some soluble carbohydrates. Interestingly, the combination of low N and red light led to a significant increase in sucrose, maltose, and flavonoids. In high N soil, red light increased a majority of amino acids, including aspartic acid and GABA, and sugars. However, it decreased most of the secondary metabolites such as phenylpropanoids, polyamines, and alkaloids. The water supply effect was minor. We demonstrated that different nutrient conditions of soil resulted in a difference in metabolic composition in tomato fruits and the effect of red light was variable depending on nutrient conditions. Full article
(This article belongs to the Special Issue Metabolomics for Plant Stress Response)
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12 pages, 1755 KiB  
Article
Metabolome Analysis Revealed the Mechanism of Exogenous Glutathione to Alleviate Cadmium Stress in Maize (Zea mays L.) Seedlings
by Runfeng Wang, Kaina Lin, Huabin Chen, Zhenyu Qi, Bohan Liu, Fangbin Cao, Hao Chen and Feibo Wu
Plants 2021, 10(1), 105; https://doi.org/10.3390/plants10010105 - 06 Jan 2021
Cited by 21 | Viewed by 3160
Abstract
Cadmium (Cd) is one of the major heavy metal pollutants in the environment and imposes severe limitations on crop growth and production. Glutathione (GSH) plays an important role in plant Cd tolerance which is able to scavenge stresses-induced reactive oxygen species (ROS) and [...] Read more.
Cadmium (Cd) is one of the major heavy metal pollutants in the environment and imposes severe limitations on crop growth and production. Glutathione (GSH) plays an important role in plant Cd tolerance which is able to scavenge stresses-induced reactive oxygen species (ROS) and is involved in the biosynthesis of phytochelatins (PCs). Our previous study revealed that Cd stress affects maize growth, and the GSH treatment could relieve Cd stress in maize seedlings. In this study, we attempted to characterize the metabolomics changes in maize leaves and roots under Cd stress and exogenous GSH conditions. We identified 145 and 133 metabolites in the leaves and roots, respectively. Cd stress decreased the tricarboxylic acid cycle (TCA cycle) metabolism and increased the amino acid contents in the leaves, while it decreased the amino acid contents, increased the TCA cycle metabolism, the sugar contents, and shikimic acid metabolism in the roots. On the other hand, exogenous GSH increased the GSH content, changed the production of metabolites related to antioxidant systems (such as ascorbic acid-related metabolites and flavonoid-related metabolites), and alleviated lipid peroxidation, thereby alleviating the toxic effect of Cd stress on maize. These findings support the idea that GSH alleviates Cd-induced stress in maize and may help to elucidate the mechanism governing Cd-induced stress and the GSH-driven alleviation effect. Full article
(This article belongs to the Special Issue Metabolomics for Plant Stress Response)
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