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Metabolites
Special Issues
Metabolic Responses to Abiotic Stress in Plants
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Metabolic Responses to Abiotic Stress in Plants

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

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1733

Special Issue Editor

Dr. Ghulam Hasnain

E-Mail Website
Guest Editor
Department of Biology, University of North Georgia, Gainesville, GA 30597, USA
Interests: metabolite damage and repair mechanism in plants; comparative genomics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Metabolites, entitled "Metabolic Responses to Abiotic Stress in Plants", focuses on the metabolic changes in plants in response to abiotic stress. The global environment is changing rapidly, and extreme temperatures, drought, salinity, and heavy-metal toxicity are constantly challenging plant growth. Potential topics of relevance to this SI cover various aspects of abiotic stress metabolism, including the accumulation of compatible solvents, activation of the antioxidant system, regulation of energy metabolism, and changes in lipid metabolism. Understanding these metabolic changes will be crucial to developing strategies for enhancing plant stress tolerance and increasing productivity in challenging environments.

This Special Issue aims to provide valuable insights into the complex mechanisms underpinning the metabolic response to plant biosecurity.

Dr. Ghulam Hasnain
Guest Editor

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. Metabolites is an international peer-reviewed open access monthly 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

  • abiotic stress
  • plant metabolism
  • compatible solutes
  • antioxidant systems
  • energy metabolism
  • lipid metabolism
  • osmotic stress
  • drought stress
  • heat stress
  • salinity stress
  • heavy-metal stress
  • crop productivity
  • stress tolerance
  • gene expression
  • proteomics
  • metabolomics
  • signaling pathways
  • transcription factors
  • reactive oxygen species

Published Papers (1 paper)

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Review

28 pages, 2016 KiB  
Review
Novel Insights into Exogenous Phytohormones: Central Regulators in the Modulation of Physiological, Biochemical, and Molecular Responses in Rice under Metal(loid) Stress
by Saqib Bilal, Syed Saad Jan, Muhammad Shahid, Sajjad Asaf, Abdul Latif Khan, Lubna, Ahmed Al-Rawahi, In-Jung Lee and Ahmed AL-Harrasi
Metabolites 2023, 13(10), 1036; https://doi.org/10.3390/metabo13101036 - 26 Sep 2023
Cited by 1 | Viewed by 1068
Abstract
Rice (Oryza sativa) is a research model for monocotyledonous plants. Rice is also one of the major staple foods and the primary crop for more than half of the world’s population. Increasing industrial activities and the use of different fertilizers and [...] Read more.
Rice (Oryza sativa) is a research model for monocotyledonous plants. Rice is also one of the major staple foods and the primary crop for more than half of the world’s population. Increasing industrial activities and the use of different fertilizers and pesticides containing heavy metals (HMs) contribute to the contamination of agriculture fields. HM contamination is among the leading causes that affect the health of rice plants by limiting their growth and causing plant death. Phytohormones have a crucial role in stress-coping mechanisms and in determining a range of plant development and growth aspects during heavy metal stress. This review summarizes the role of different exogenous applications of phytohormones including auxin, cytokinin, gibberellins, ethylene, abscisic acid, strigolactones, jasmonates, brassinosteroids, and salicylic acids in rice plants for mitigating heavy metal stress via manipulation of their stress-related physiological and biochemical processes, and alterations of signaling and biosynthesis of genes. Exogenous administration of phytohormones and regulation of endogenous levels by targeting their biosynthesis/signaling machineries is a potential strategy for protecting rice from HM stress. The current review primarily emphasizes the key mechanistic phytohormonal-mediated strategies for reducing the adverse effects of HM toxicity in rice. Herein, we have provided comprehensive evidence for the effective role of exogenous phytohormones in employing defense responses and tolerance in rice to the phytotoxic effects of HM toxicity along with endogenous hormonal crosstalk for modulation of subcellular mechanisms and modification of stress-related signaling pathways, and uptake and translocation of metals. Altogether, this information offers a systematic understanding of how phytohormones modulate a plant’s tolerance to heavy metals and may assist in directing the development of new approaches to strengthen rice plant resistance to HM toxicity. Full article
(This article belongs to the Special Issue Metabolic Responses to Abiotic Stress in Plants)
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