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New Insights into Plant Stress
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New Insights into Plant Stress

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

Deadline for manuscript submissions: 20 January 2026 | Viewed by 4297

Special Issue Editors

Dr. Pandiyan Muthuramalingam

E-Mail Website
Guest Editor
Division of Horticultural Science, Gyeongsang National University, Jinju 52725, Republic of Korea
Interests: abiotic stress; plant stress biology; biotechnology; bioinformatics; molecular biology; multi-omics; crop plants; horticultural plants; medicinal plants
Special Issues, Collections and Topics in MDPI journals
Dr. Subramani Pandian

E-Mail Website
Guest Editor
National Institute of Agricultural Sciences, Rural Development Administration, Jeonju-si, Jeollabuk-do, Republic of Korea
Interests: Brassica sp.; functional genomics; plant physiology; plant genetics; plant metabolism; molecular markers
Special Issues, Collections and Topics in MDPI journals
Dr. Hyunsuk Shin

E-Mail Website
Guest Editor
Division of Horticultural Science, Gyeongsang National University, Jinju 52725, Republic of Korea
Interests: abiotic stress; pomology; ecophysiology; fruit trees; cold stress; abiotic stress; multi-omics; horticultural plants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental stressors, including abiotic and biotic factors, can negatively affect plant growth and productivity. In recent years, our understanding of plant stress responses has significantly improved due to the advent of gold-standard plant molecular and biotechnological techniques. The emergence of omics, bioinformatics, and AI tools has also facilitated the discovery of new molecular insights as regards plant tolerance to various abiotic and biotic stress mechanisms. To foster a widespread interest in plant stress biology/physiology, this Special Issue of IJMS will present an overview of the latest findings in the field. We invite plant scientists to share their significant research contributions with the community. We welcome all types of submissions, including original research, reviews, perspectives, and opinion articles. The topics of interest are not limited and can include any relevant research within this area.

Dr. Pandiyan Muthuramalingam
Dr. Subramani Pandian
Dr. Hyunsuk Shin
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 250 words) can be sent to the Editorial Office for assessment.

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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • abiotic stress
  • biotic stress
  • bioinformatics
  • artificial intelligence
  • biotechnology
  • breeding
  • crop plants
  • horticultural plants
  • GWAS
  • CRISPR-Cas
  • multi-omics
  • genomics
  • epigenomics
  • transcriptomics
  • proteomics
  • genetic diversity
  • gene expression

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Published Papers (3 papers)

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Research

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23 pages, 4914 KB  
Article
Genetic Variation and Genome-Enabled Prediction of White Lupin Frost Resistance in Different Reference Populations
by Nicolò Franguelli, Daniele Cavalli, Nelson Nazzicari, Luciano Pecetti, Tommaso Notario and Paolo Annicchiarico
Int. J. Mol. Sci. 2025, 26(20), 10224; https://doi.org/10.3390/ijms262010224 - 21 Oct 2025
Viewed by 505
Abstract
In various European regions, white lupin (Lupinus albus L) production could increase by autumn sowing of winter-hardy varieties. This study aimed to explore the genetic variation, the genetic architecture, and the genomic prediction of frost resistance in two reference populations, one including [...] Read more.
In various European regions, white lupin (Lupinus albus L) production could increase by autumn sowing of winter-hardy varieties. This study aimed to explore the genetic variation, the genetic architecture, and the genomic prediction of frost resistance in two reference populations, one including 144 landrace and cultivar genotypes, and the other comprising 144 breeding lines. These populations were genotyped by 40,914 and 32,951 SNP markers, respectively, issued by genotyping-by-sequencing. The genotypes were phenotyped for mortality and a biomass injury score at freezing temperature of −11 °C under controlled conditions. Both traits, highly correlated, exhibited large genetic variation and high broad-sense heritability (H2 = 0.76–0.82). A genome-wide association study highlighted their polygenic architecture and detected markers linked to candidate genes. The intra-population predictive ability of plant mortality achieved 0.41 for landrace and cultivar germplasm, and 0.67 for breeding lines. The cross-population predictive ability was higher when using the model constructed for landrace and cultivar germplasm to predict breeding lines (0.39) than the reverse (0.26). Landrace field survival was largely influenced by late phenology in addition to frost resistance. Our results revealed frost-resistant germplasm, confirmed the polygenic control of frost resistance, and highlighted genomic prediction opportunities for line selection and the identification of elite genetic resources. Full article
(This article belongs to the Special Issue New Insights into Plant Stress)
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22 pages, 3553 KB  
Article
In-Depth Analysis of Chlorophyll Fluorescence Rise Kinetics Reveals Interference Effects of a Radiofrequency Electromagnetic Field (RF-EMF) on Plant Hormetic Responses to Drought Stress
by Julian Keller, Uwe Geier and Nam Trung Tran
Int. J. Mol. Sci. 2025, 26(15), 7038; https://doi.org/10.3390/ijms26157038 - 22 Jul 2025
Viewed by 836
Abstract
The proliferation of telecommunication devices in recent decades has resulted in a substantial increase in exposure risk to manmade radiofrequency electromagnetic fields (RF-EMFs) for both animals and plants. The physiological effects of these exposures remain to be fully elucidated. In this study, we [...] Read more.
The proliferation of telecommunication devices in recent decades has resulted in a substantial increase in exposure risk to manmade radiofrequency electromagnetic fields (RF-EMFs) for both animals and plants. The physiological effects of these exposures remain to be fully elucidated. In this study, we measured and analyzed the chlorophyll fluorescence rise kinetics of lettuce plants in the presence of RF-EMFs and after a short drought treatment. The analysis of the fluorescence data was conducted using two different strategies: a conventional JIP test and a novel machine learning-assisted anomaly-detection approach. Our results suggest that exposure to RF-EMFs weakens the plant’s hormetic responses induced by drought treatment, both in terms of the response’s magnitude and its extent. These findings provide further evidence supporting the hypothesis that RF-EMFs interfere with plant stress responses. Full article
(This article belongs to the Special Issue New Insights into Plant Stress)
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Review

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37 pages, 2498 KB  
Review
Adapting Crops to Rising Temperatures: Understanding Heat Stress and Plant Resilience Mechanisms
by Anand Kumar, Pandiyan Muthuramalingam, Reetesh Kumar, Savitri Tiwari, Laxmidas Verma, Sujeong Park and Hyunsuk Shin
Int. J. Mol. Sci. 2025, 26(21), 10426; https://doi.org/10.3390/ijms262110426 - 27 Oct 2025
Cited by 1 | Viewed by 1882
Abstract
Global temperature rise has become a critical challenge to agricultural sustainability, severely affecting crop growth, productivity, and survival. Human-induced climate change and greenhouse gas emissions cause heat stress, disrupting plant metabolism and physiology at all developmental stages from germination to harvest. Elevated temperatures [...] Read more.
Global temperature rise has become a critical challenge to agricultural sustainability, severely affecting crop growth, productivity, and survival. Human-induced climate change and greenhouse gas emissions cause heat stress, disrupting plant metabolism and physiology at all developmental stages from germination to harvest. Elevated temperatures during germination impair water uptake, enzyme activity, and energy metabolism, leading to poor or uneven seedling emergence. At key phases such as flowering and grain filling, heat stress limits photosynthesis and transpiration by inducing stomatal closure, restricting carbon dioxide intake, and reducing photosynthetic efficiency. The reproductive stage is particularly vulnerable to high temperatures, impairing pollen viability, preventing anther dehiscence, and reducing fertilization success. Membrane instability further accelerates chlorophyll degradation and leaf senescence. Heat stress also alters biochemical and hormonal balances by disrupting the synthesis and signaling of auxins, gibberellins, and abscisic acid (ABA). Elevated ABA promotes stomatal closure to enhance stress tolerance, while increased ethylene levels trigger premature leaf senescence and abscission. These hormonal shifts and oxidative stress hinder plant growth and reproduction, threatening global food security. Although plants employ adaptive mechanisms such as heat shock protein expression and stress-responsive gene regulation, current strategies remain inadequate, highlighting the urgent need for innovative approaches to improve crop resilience under rising temperatures. Full article
(This article belongs to the Special Issue New Insights into Plant Stress)
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