Peptides in Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: closed (20 June 2023) | Viewed by 7738

Special Issue Editors


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Guest Editor
All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya 42, 127550 Moscow, Russia
Interests: peptide; plant development; root development; peptide-DNA (RNA) interaction; regulation of gene expression

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Guest Editor
All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya 42, 127550 Moscow, Russia
Interests: biochemistry; DNA methylation; epigenetic mechanisms; plant adaptation; epigenetic regulation

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Guest Editor
1. Cell Biology Laboratory, All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya, 42, 127550 Moscow, Russia
2. Tsitsin Main Botanical Garden of the Russian Academy of Sciences, Botanicheskaya Street, 4, 127276 Moscow, Russia
Interests: cell biophysics; ontogenesis; symmetry and asymmetry of biological objects and systems; environmental stress; plant development biology; cell biology; genetic engineering; electron microscopy; cell ultrastructure; mathematical models of genome phenotypic manifestations
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Guest Editor
All-Russia Research Institute of Agricultural Biotechnology, Timiryazevskaya 42, 127550 Moscow, Russia
Interests: Salt Stress; Development of plant; plant Roots; in vitro

Special Issue Information

Dear Colleagues,

For many years, peptides in plants were considered only as antimicrobial components of plant defense mechanisms. Antimicrobial peptides kill pathogens by interacting with phospholipids and permeabilizing membranes. Another group of antimicrobial peptides is able to penetrate through membranes into cells and deliver various molecules. This ability of this class of peptides has recently received much attention from researchers. Such antimicrobial peptides are actively used not only in the fight against pathogenic microorganisms, but also in the treatment of genetic diseases.

The discovery that many different (secreted) peptides are involved in signaling has stimulated intense research. Peptide hormones play a key role in many physiological processes, coordinating developmental and environmental signals between different cells. Hormonal peptides play a critical role in plant growth and development, including defense mechanisms in response to pest damage, the control of cell division and expansion, as well as pollen incompatibility. They can trigger or inhibit a variety of genetic processes and biochemical reactions in the cell.

Peptide–receptor complexes activate various regulatory networks to mediate plant adaptation to environmental abiotic stress. Small peptides, interacting with the appropriate receptors, act as local or mobile signaling molecules over long distances to create regulatory networks between cells, which leads to optimal cellular and physiological processes in response to various abiotic stresses.

It is also impossible to ignore another aspect of the study of plant peptides, which is that plant peptides have biological activity in plant foods, and have a beneficial effect on human health.

Dr. Larisa I. Fedoreyeva
Prof. Dr. Boris F Vanyushin
Dr. Ekaterina Baranova
Dr. Neonila V. Kononenko
Guest Editors

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Keywords

  • plant peptides
  • antimicrobial plant peptides
  • phytohormonal peptides
  • peptide-receptor complexes
  • abiotic stress

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Published Papers (3 papers)

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Research

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17 pages, 5488 KiB  
Article
The Antimicrobial Potential and Aquaculture Wastewater Treatment Ability of Penaeidins 3a Transgenic Duckweed
by Lin Yang, Ximeng Luo, Jinge Sun, Xu Ma, Qiuting Ren, Yaya Wang, Wenqiao Wang, Yuman He, Qingqing Li, Bing Han, Yiqi Yu and Jinsheng Sun
Plants 2023, 12(8), 1715; https://doi.org/10.3390/plants12081715 - 20 Apr 2023
Cited by 3 | Viewed by 1890
Abstract
With the development of aquaculture, wastewater treatment and diseases have been paid more and more attention. The question of how to improve the immunity of aquatic species, as well as treat aquaculture wastewater, has become an urgent problem. In this study, duckweed with [...] Read more.
With the development of aquaculture, wastewater treatment and diseases have been paid more and more attention. The question of how to improve the immunity of aquatic species, as well as treat aquaculture wastewater, has become an urgent problem. In this study, duckweed with a high protein content (37.4%) (Lemna turionifera 5511) has been employed as a feedstock for aquatic wastewater treatment and the production of antimicrobial peptides. Penaeidins 3a (Pen3a), from Litopenaeus vannamei, were expressed under the control of CaMV-35S promoter in duckweed. Bacteriostatic testing using the Pen3a duckweed extract showed its antibacterial activity against Escherichia coli and Staphylococcus aureus. Transcriptome analysis of wild type (WT) duckweed and Pen3a duckweed showed different results, and the protein metabolic process was the most up-regulated by differential expression genes (DEGs). In Pen3a transgenic duckweed, the expression of sphingolipid metabolism and phagocytosis process-related genes have been significantly up-regulated. Quantitative proteomics suggested a remarkable difference in protein enrichment in the metabolic pathway. Pen3a duckweed decreased the bacterial number, and effectively inhibited the growth of Nitrospirae. Additionally, Pen3a duckweed displayed better growth in the lake. The study showed the nutritional and antibacterial value of duckweed as an animal feed ingredient. Full article
(This article belongs to the Special Issue Peptides in Plants)
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15 pages, 2649 KiB  
Article
Elongating Effect of the Peptide AEDL on the Root of Nicotiana tabacum under Salinity
by Larisa I. Fedoreyeva, Ekaterina N. Baranova, Inn A. Chaban, Tatyana A. Dilovarova, Boris F. Vanyushin and Neonila V. Kononenko
Plants 2022, 11(10), 1352; https://doi.org/10.3390/plants11101352 - 19 May 2022
Cited by 3 | Viewed by 1946
Abstract
The overall survival of a plant depends on the development, growth, and functioning of the roots. Root development and growth are not only genetically programmed but are constantly influenced by environmental factors, with the roots adapting to such changes. The peptide AEDL (alanine–glutamine [...] Read more.
The overall survival of a plant depends on the development, growth, and functioning of the roots. Root development and growth are not only genetically programmed but are constantly influenced by environmental factors, with the roots adapting to such changes. The peptide AEDL (alanine–glutamine acid–asparagine acid–leucine) at a concentration of 10−7 M had an elongating effect on the root cells of Nicotiana tabacum seedlings. The action of this peptide at such a low concentration is similar to that of peptide phytohormones. In the presence of 150 mM NaCl, a strong distortion in the development and architecture of the tobacco roots was observed. However, the combined presence of AEDL and NaCl resulted in normal root development. In the presence of AEDL, reactive oxygen species (ROS) were detected in the elongation and root hair zones of the roots. The ROS marker fluorescence intensity in plant cells grown with AEDL was much lower than that of plant cells grown without the peptide. Thus, AEDL protected the root tissue from damage by oxidative stress caused by the toxic effects of NaCl. Localization and accumulation of AEDL at the root were tissue-specific. Fluorescence microscopy showed that FITC-AEDL predominantly localized in the zones of elongation and root hairs, with insignificant localization in the meristem zone. AEDL induced a change in the structural organization of chromatin. Structural changes in chromatin caused significant changes in the expression of numerous genes associated with the development and differentiation of the root system. In the roots of tobacco seedlings grown in the presence of AEDL, the expression of WOX family genes decreased, and differentiation of stem cells increased, which led to root elongation. However, in the presence of NaCl, elongation of the tobacco root occurred via a different mechanism involving genes of the expansin family that weaken the cell wall in the elongation zone. Root elongation of plants is of fundamental importance in biology and is especially relevant to crop production as it can affect crop yields. Full article
(This article belongs to the Special Issue Peptides in Plants)
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Review

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21 pages, 2148 KiB  
Review
Molecular Mechanisms of Regulation of Root Development by Plant Peptides
by Larisa I. Fedoreyeva
Plants 2023, 12(6), 1320; https://doi.org/10.3390/plants12061320 - 14 Mar 2023
Cited by 3 | Viewed by 3285
Abstract
Peptides perform many functions, participating in the regulation of cell differentiation, regulating plant growth and development, and also involved in the response to stress factors and in antimicrobial defense. Peptides are an important class biomolecules for intercellular communication and in the transmission of [...] Read more.
Peptides perform many functions, participating in the regulation of cell differentiation, regulating plant growth and development, and also involved in the response to stress factors and in antimicrobial defense. Peptides are an important class biomolecules for intercellular communication and in the transmission of various signals. The intercellular communication system based on the ligand-receptor bond is one of the most important molecular bases for creating complex multicellular organisms. Peptide-mediated intercellular communication plays a critical role in the coordination and determination of cellular functions in plants. The intercellular communication system based on the receptor-ligand is one of the most important molecular foundations for creating complex multicellular organisms. Peptide-mediated intercellular communication plays a critical role in the coordination and determination of cellular functions in plants. The identification of peptide hormones, their interaction with receptors, and the molecular mechanisms of peptide functioning are important for understanding the mechanisms of both intercellular communications and for regulating plant development. In this review, we drew attention to some peptides involved in the regulation of root development, which implement this regulation by the mechanism of a negative feedback loop. Full article
(This article belongs to the Special Issue Peptides in Plants)
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