Plant Responses and Tolerance to Metal/Metalloid Toxicity III

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 2024) | Viewed by 3577

Special Issue Editors


grade E-Mail Website
Guest Editor
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
Interests: antioxidants; abiotic stress tolerance; plant metabolites; ROS signaling
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Botany and Plant Physiology, University of Agriculture in Krakow, 31-120 Krakow, Poland
Interests: metal toxicity; metallophytes; extremophytes; phytoremediation; oxidative stress; stress tolerance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Coleagues,

In the industrial era, the most important and potential threats to crop production are abiotic stresses. Among them, toxic metal stress is one of the major concerns. The growing population and fast industrialization coincide, resulting in the generation and dissemination of huge amounts of toxic metals in the environment. Toxic metals and metalloids result in growth reduction, altered physiology, and metabolisms, and diminish cellular integrity. Toxic metals also alter the redox homeostasis by influencing the reactive oxygen species generation. They also interfere with the nutrient and water uptake. As a result, both the crop yield and quality are hampered. Considering these effects, plant biologists, breeders, and agronomists are working to find approaches to enhancing plants’ tolerance to metal/metalloid toxicity. Remarkable progress has been made in understanding the metal chelation, antioxidant defense, and phytoremediation. A number of biotechnological tools and molecular approaches also contribute to such developments. In this Special Issue, we will publish reviews, mini-reviews, and research articles focusing on plant responses and their tolerance to metal/metalloid stress.

Prof. Dr. Mirza Hasanuzzaman
Prof. Dr. Alina Wiszniewska
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

  • abiotic stress
  • arsenic
  • cadmium
  • ecotoxicology
  • environmental pollutants
  • heavy metals
  • metal chelation
  • metalloids
  • phytoremediation
  • trace elements

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Related Special Issues

Published Papers (2 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

Jump to: Review

15 pages, 3108 KiB  
Article
Glycine-Rich RNA-Binding Protein AtGRP7 Functions in Nickel and Lead Tolerance in Arabidopsis
by Yeon-Ok Kim, Mahpara Safdar, Hunseung Kang and Jangho Kim
Plants 2024, 13(2), 187; https://doi.org/10.3390/plants13020187 - 10 Jan 2024
Cited by 1 | Viewed by 1419
Abstract
Plant glycine-rich RNA-binding proteins (GRPs) play crucial roles in the response to environmental stresses. However, the functions of AtGRP7 in plants under heavy metal stress remain unclear. In the present study, in Arabidopsis, the transcript level of AtGRP7 was markedly increased by [...] Read more.
Plant glycine-rich RNA-binding proteins (GRPs) play crucial roles in the response to environmental stresses. However, the functions of AtGRP7 in plants under heavy metal stress remain unclear. In the present study, in Arabidopsis, the transcript level of AtGRP7 was markedly increased by Ni but was decreased by Pb. AtGRP7-overexpressing plants improved Ni tolerance, whereas the knockout mutant (grp7) was more susceptible than the wild type to Ni. In addition, grp7 showed greatly enhanced Pb tolerance, whereas overexpression lines showed high Pb sensitivity. Ni accumulation was reduced in overexpression lines but increased in grp7, whereas Pb accumulation in grp7 was lower than that in overexpression lines. Ni induced glutathione synthase genes GS1 and GS2 in overexpression lines, whereas Pb increased metallothionein genes MT4a and MT4b and phytochelatin synthase genes PCS1 and PCS2 in grp7. Furthermore, Ni increased CuSOD1 and GR1 in grp7, whereas Pb significantly induced FeSOD1 and FeSOD2 in overexpression lines. The mRNA stability of GS2 and PCS1 was directly regulated by AtGRP7 under Ni and Pb, respectively. Collectively, these results indicate that AtGRP7 plays a crucial role in Ni and Pb tolerance by reducing Ni and Pb accumulation and the direct or indirect post-transcriptional regulation of genes related to heavy metal chelators and antioxidant enzymes. Full article
(This article belongs to the Special Issue Plant Responses and Tolerance to Metal/Metalloid Toxicity III)
Show Figures

Figure 1

Review

Jump to: Research

26 pages, 3897 KiB  
Review
Exploring Aluminum Tolerance Mechanisms in Plants with Reference to Rice and Arabidopsis: A Comprehensive Review of Genetic, Metabolic, and Physiological Adaptations in Acidic Soils
by Nilakshi Chakraborty, Abir Das, Sayan Pal, Soumita Roy, Sudipta Kumar Sil, Malay Kumar Adak and Mirza Hasanuzzaman
Plants 2024, 13(13), 1760; https://doi.org/10.3390/plants13131760 - 25 Jun 2024
Cited by 1 | Viewed by 1706
Abstract
Aluminum (Al) makes up a third of the Earth’s crust and is a widespread toxic contaminant, particularly in acidic soils. It impacts crops at multiple levels, from cellular to whole plant systems. This review delves into Al’s reactivity, including its cellular transport, involvement [...] Read more.
Aluminum (Al) makes up a third of the Earth’s crust and is a widespread toxic contaminant, particularly in acidic soils. It impacts crops at multiple levels, from cellular to whole plant systems. This review delves into Al’s reactivity, including its cellular transport, involvement in oxidative redox reactions, and development of specific metabolites, as well as the influence of genes on the production of membrane channels and transporters, alongside its role in triggering senescence. It discusses the involvement of channel proteins in calcium influx, vacuolar proton pumping, the suppression of mitochondrial respiration, and the initiation of programmed cell death. At the cellular nucleus level, the effects of Al on gene regulation through alterations in nucleic acid modifications, such as methylation and histone acetylation, are examined. In addition, this review outlines the pathways of Al-induced metabolic disruption, specifically citric acid metabolism, the regulation of proton excretion, the induction of specific transcription factors, the modulation of Al-responsive proteins, changes in citrate and nucleotide glucose transporters, and overall metal detoxification pathways in tolerant genotypes. It also considers the expression of phenolic oxidases in response to oxidative stress, their regulatory feedback on mitochondrial cytochrome proteins, and their consequences on root development. Ultimately, this review focuses on the selective metabolic pathways that facilitate Al exclusion and tolerance, emphasizing compartmentalization, antioxidative defense mechanisms, and the control of programmed cell death to manage metal toxicity. Full article
(This article belongs to the Special Issue Plant Responses and Tolerance to Metal/Metalloid Toxicity III)
Show Figures

Figure 1

Back to TopTop