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Plant Membrane Transporters—Biotechnological Applications, Regulation of Stress Responses, and Adaption...
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Plant Membrane Transporters—Biotechnological Applications, Regulation of Stress Responses, and Adaption to the Different Environments

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (1 February 2022) | Viewed by 6182

Special Issue Editors

Dr. Stanislav Isayenkov

E-Mail Website1 Website2
Guest Editor
Department of Plant Food Products and Biofortification, Institute of Food Biotechnology and Genomics NAS of Ukraine, 04123 Kyiv, Ukraine
Interests: halophytes; salinity; and drought stresses; ions; membrane transport; K+ homeostasis; Na+ transport; arsenic transport; plant abiotic stress; plant nutrition; mycorrhiza; physiology and molecular genetics
Special Issues, Collections and Topics in MDPI journals
Dr. Dorina Podar

E-Mail Website
Guest Editor
Faculty of Biology and Geology, Department of Molecular Biology and Biotechnology, Babeș – Bolyai University, 1 Kogălniceanu St., 400084 Cluj-Napoca, Romania
Interests: heavy metal stresses; metal ions membrane transport; metal homeostasis; cation diffusion facilitators; plant nutrition; biofortification; phytoremediation of heavy metal contaminated soils; plant interactions with plant growth promoting microorganisms

Special Issue Information

Dear Colleagues, 

During evolution, plants have evolved a wide spectrum of adaptation mechanisms to survive in harsh and changing environments. Abiotic stresses such as salinity, drought, aluminum toxicity, heavy metals, drought, and others could have substantial negative impacts on plant growth and development. Improvement of stress tolerance to these environmental constraints belongs to the task of primary importance for modern agriculture. Improvement of plant stress tolerance or biofortification of our crops with pivotal micronutrients requires a deep understanding of membrane transport mechanisms in plants. Evaluation of the role of plant membrane transporters in plant sensing, adaptation to the different environments, and regulation of stress responses are crucial tasks that need to be solved in the nearest future. The roles of plant transporters comprise a wide range of biological processes including plant nutrition, signaling (Ca2+ and ROS), ion detoxification and compartmentation, photosynthesis, and turgor regulation, ion homeostasis, drought, and salinity stresses.

The study of genes or gene networks involved in membrane ion transport may help to develop and improve plant stress tolerance, the nutritional value of crops via the biofortification approach and facilitate soil decontamination via phytoremediation techniques. Although the number of data regarding plant function, structure, and evolution of plant membrane transporters is continuously increasing, there are still many aspects yet to be revealed. All members of the membrane transport proteins have different physiological roles, membrane localization, tissue distribution, and mechanisms of regulation. Thus, the study of their role in the adaptation mechanisms to the different environments and discovery of novel structural and functional aspects is essential and challenging.

In this Special Issue, we would like to collect original research data and opinions of current knowledge on the role of plant membrane transporters in ionic homeostasis, stress tolerance to salinity and drought, aluminum and heavy metal toxicity, plant nutritional balance, application in biofortification and phytoremediation.

Dr. Stanislav Isayenkov
Dr. Dorina Podar
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

  • Plant Membrane Transport
  • Ionic Homeostasis
  • Plant Abiotic Stress
  • Heavy Metal Transport
  • Mineral Biofortification
  • Phytoremediation

Published Papers (2 papers)

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Research

15 pages, 1561 KiB  
Article
New Insights into Plant TPK Ion Channel Evolution
by Siarhei A. Dabravolski and Stanislav V. Isayenkov
Plants 2021, 10(11), 2328; https://doi.org/10.3390/plants10112328 - 28 Oct 2021
Cited by 8 | Viewed by 2444
Abstract
Potassium (K) is a crucial element of plant nutrition, involved in many physiological and molecular processes. K+ membrane transporters are playing a pivotal role in K+ transport and tissue distribution as well as in various plant stress responses and developmental processes. [...] Read more.
Potassium (K) is a crucial element of plant nutrition, involved in many physiological and molecular processes. K+ membrane transporters are playing a pivotal role in K+ transport and tissue distribution as well as in various plant stress responses and developmental processes. Two-pore K+-channels (TPKs) are essential to maintain plant K+ homeostasis and are mainly involved in potassium transport from the vacuoles to the cytosol. Besides vacuolar specialization, some TPK members display different membrane localization including plasma membrane, protein storage vacuole membrane, and probably the organelles. In this manuscript, we elucidate the evolution of the voltage-independent TPK (two-pore K+-channels) family, which could be represented in some species by one pore, K+-inward rectifier (Kir)-like channels. A comprehensive investigation of existing databases and application of modern bioinformatic tools allowed us to make a detailed phylogenetic inventory of TPK/KCO3 (KCO: potassium channel, outward rectifying) channels through many taxa and gain insight into the evolutionary origin of TPK family proteins. Our results reveal the fundamental evolutional difference between the first and second pores, traced throughout multiple taxa variations in the ion selection filter motif, presence of thansposon, and methylation site in the proximity of some KCO members and suggest virus-mediated horizontal transfer of a KCO3-like ancestor by viruses. Additionally, we suggest several interconnected hypotheses to explain the obtained results and provide a theoretical background for future experimental validation. Full article
(This article belongs to the Special Issue Plant Membrane Transporters—Biotechnological Applications, Regulation of Stress Responses, and Adaption to the Different Environments)
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15 pages, 14548 KiB  
Article
Revealing the Role of the Calcineurin B-Like Protein-Interacting Protein Kinase 9 (CIPK9) in Rice Adaptive Responses to Salinity, Osmotic Stress, and K+ Deficiency
by Sergey Shabala, Mohammad Alnayef, Jayakumar Bose, Zhong-Hua Chen, Gayatri Venkataraman, Meixue Zhou, Lana Shabala and Min Yu
Plants 2021, 10(8), 1513; https://doi.org/10.3390/plants10081513 - 23 Jul 2021
Cited by 11 | Viewed by 2735
Abstract
In plants, calcineurin B-like (CBL) proteins and their interacting protein kinases (CIPK) form functional complexes that transduce downstream signals to membrane effectors assisting in their adaptation to adverse environmental conditions. This study addresses the issue of the physiological role of CIPK9 in adaptive [...] Read more.
In plants, calcineurin B-like (CBL) proteins and their interacting protein kinases (CIPK) form functional complexes that transduce downstream signals to membrane effectors assisting in their adaptation to adverse environmental conditions. This study addresses the issue of the physiological role of CIPK9 in adaptive responses to salinity, osmotic stress, and K+ deficiency in rice plants. Whole-plant physiological studies revealed that Oscipk9 rice mutant lacks a functional CIPK9 gene and displayed a mildly stronger phenotype, both under saline and osmotic stress conditions. The reported difference was attributed to the ability of Oscipk9 to maintain significantly higher stomatal conductance (thus, a greater carbon gain). Oscipk9 plants contained much less K+ in their tissues, implying the role of CIPK9 in K+ acquisition and homeostasis in rice. Oscipk9 roots also showed hypersensitivity to ROS under conditions of low K+ availability suggesting an important role of H2O2 signalling as a component of plant adaptive responses to a low-K environment. The likely mechanistic basis of above physiological responses is discussed. Full article
(This article belongs to the Special Issue Plant Membrane Transporters—Biotechnological Applications, Regulation of Stress Responses, and Adaption to the Different Environments)
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