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Recent Advances in Abiotic Stress Signaling
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Recent Advances in Abiotic Stress Signaling

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

Deadline for manuscript submissions: closed (15 January 2024) | Viewed by 6264

Special Issue Editor

Dr. Takuya Noguchi

E-Mail Website
Guest Editor
Department of Biopharmaceutical Science, Tohoku University, Sendai 980-8578, Japan
Interests: apoptosis; signaling pathways; phosphorylation; signal transduction; cell signaling; reactive oxygen species; molecular cell biology; cell biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Our cells are continuously exposed to various abiotic stresses such as pathogens, ultraviolet, heavy metals, and reactive oxygen species, and then activate stress signaling to induce appropriate stress responses, including gene inductions, inflammation, and cell death. Meanwhile, our cells are also exposed to human-made abiotic stresses, such as drugs, food additives, toxic byproducts, and environmental pollutants. These chemicals somehow stimulate stress sensing mechanisms, and then perturb the stress signaling, resulting in the induction of the adverse reactions. In this Special Issue, studies of a wide range of signaling mechanisms and pathological processes associated with abiotic stresses are welcome.

Dr. Takuya Noguchi
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. 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

  • stress signaling
  • abiotic stress
  • oxidative stress
  • genotoxic stress
  • heavy metal toxicity
  • environmental air pollutant
  • adverse drug reaction
  • food additive
  • reactive sulfur species (RSS)

Published Papers (4 papers)

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Research

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16 pages, 2365 KiB  
Article
Rice OsANN9 Enhances Drought Tolerance through Modulating ROS Scavenging Systems
by Yangyang Jia, Xiangyang Gu, Jiaxin Chai, Xiaohong Yao, Shoutao Cheng, Lirui Liu, Saiya He, Yizhuo Peng, Qian Zhang and Zhengge Zhu
Int. J. Mol. Sci. 2023, 24(24), 17495; https://doi.org/10.3390/ijms242417495 - 15 Dec 2023
Viewed by 796
Abstract
Drought is a critical abiotic stress which leads to crop yield and a decrease in quality. Annexins belong to a multi-gene family of calcium- and lipid-binding proteins and play diverse roles in plant growth and development. Herein, we report a rice annexin protein, [...] Read more.
Drought is a critical abiotic stress which leads to crop yield and a decrease in quality. Annexins belong to a multi-gene family of calcium- and lipid-binding proteins and play diverse roles in plant growth and development. Herein, we report a rice annexin protein, OsANN9, which in addition to regular annexin repeats and type-II Ca2+ binding sites, also consists of a C2H2-type zinc-finger domain. We found that the expression of OsANN9 was upregulated by polyethylene glycol (PEG) or water-deficient treatment. Moreover, plants that overexpressed OsANN9 had increased survival rates under drought stress, while both OsANN9-RNAi and osann9 mutants showed sensitivity to drought. In addition, the overexpression of OsANN9 increased superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) activities, which regulate reactive oxygen species homeostasis. Collectively, these findings indicate that OsANN9 may function as a positive regulator in response to drought stress by modulating antioxidant accumulation. Interestingly, the setting rates of osann9 mutant rice plants significantly decreased in comparison to wild-type plants, suggesting that OsANN9 might be involved in other molecular mechanisms in the rice seed development stage. Full article
(This article belongs to the Special Issue Recent Advances in Abiotic Stress Signaling)
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12 pages, 4873 KiB  
Communication
Immunocytochemical Analysis of Bifid Trichomes in Aldrovanda vesiculosa L. Traps
by Bartosz J. Płachno, Małgorzata Kapusta, Piotr Stolarczyk, Magdalena Wójciak and Piotr Świątek
Int. J. Mol. Sci. 2023, 24(4), 3358; https://doi.org/10.3390/ijms24043358 - 08 Feb 2023
Cited by 5 | Viewed by 1712
Abstract
The two-armed bifids (bifid trichomes) occur on the external (abaxial) trap surface, petiole, and stem of the aquatic carnivorous plant Aldrovanda vesiculosa (Droseracee). These trichomes play the role of mucilage trichomes. This study aimed to fill the gap in the literature concerning the [...] Read more.
The two-armed bifids (bifid trichomes) occur on the external (abaxial) trap surface, petiole, and stem of the aquatic carnivorous plant Aldrovanda vesiculosa (Droseracee). These trichomes play the role of mucilage trichomes. This study aimed to fill the gap in the literature concerning the immunocytochemistry of the bifid trichomes and compare them with digestive trichomes. Light and electron microscopy was used to show the trichome structure. Fluorescence microscopy revealed the localization of carbohydrate epitopes associated with the major cell wall polysaccharides and glycoproteins. The stalk cells and the basal cells of the trichomes were differentiated as endodermal cells. Cell wall ingrowths occurred in all cell types of the bifid trichomes. Trichome cells differed in the composition of their cell walls. The cell walls of the head cells and stalk cells were enriched with arabinogalactan proteins (AGPs); however, they were generally poor in both low- and highly-esterified homogalacturonans (HGs). The cell walls in the trichome cells were rich in hemicelluloses: xyloglucan and galactoxyloglucan. The cell wall ingrowths in the basal cells were significantly enriched with hemicelluloses. The presence of endodermal cells and transfer cells supports the idea that bifid trichomes actively transport solutes, which are polysaccharide in nature. The presence of AGPs (which are considered plant signaling molecules) in the cell walls in these trichome cells indicates the active and important role of these trichomes in plant function. Future research should focus on the question of how the molecular architecture of trap cell walls changes in cells during trap development and prey capture and digestion in A. vesiculosa and other carnivorous plants. Full article
(This article belongs to the Special Issue Recent Advances in Abiotic Stress Signaling)
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17 pages, 5470 KiB  
Article
Salt-Induced Changes in Cytosolic pH and Photosynthesis in Tobacco and Potato Leaves
by Anna Pecherina, Marina Grinberg, Maria Ageyeva, Daria Zanegina, Elena Akinchits, Anna Brilkina and Vladimir Vodeneev
Int. J. Mol. Sci. 2023, 24(1), 491; https://doi.org/10.3390/ijms24010491 - 28 Dec 2022
Cited by 12 | Viewed by 1771
Abstract
Salinity is one of the most common factors limiting the productivity of crops. The damaging effect of salt stress on many vital plant processes is mediated, on the one hand, by the osmotic stress caused by large concentrations of Na+ and Cl [...] Read more.
Salinity is one of the most common factors limiting the productivity of crops. The damaging effect of salt stress on many vital plant processes is mediated, on the one hand, by the osmotic stress caused by large concentrations of Na+ and Cl− outside the root and, on the other hand, by the toxic effect of these ions loaded in the cell. In our work, the influence of salinity on the changes in photosynthesis, transpiration, water content and cytosolic pH in the leaves of two important crops of the Solanaceae family—tobacco and potato—was investigated. Salinity caused a decrease in photosynthesis activity, which manifested as a decrease in the quantum yield of photosystem II and an increase in non-photochemical quenching. Along with photosynthesis limitation, there was a slight reduction in the relative water content in the leaves and a decrease in transpiration, determined by the crop water stress index. Furthermore, a decrease in cytosolic pH was detected in tobacco and potato plants transformed by the gene of pH-sensitive protein Pt-GFP. The potential mechanisms of the salinity influence on the activity of photosynthesis were analyzed with the comparison of the parameters’ dynamics, as well as the salt content in the leaves. Full article
(This article belongs to the Special Issue Recent Advances in Abiotic Stress Signaling)
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Review

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19 pages, 498 KiB  
Review
Physical Stimulation Methods Developed for In Vitro Neuronal Differentiation Studies of PC12 Cells: A Comprehensive Review
by Kanako Tominami, Tada-aki Kudo, Takuya Noguchi, Yohei Hayashi, You-Ran Luo, Takakuni Tanaka, Ayumu Matsushita, Satoshi Izumi, Hajime Sato, Keiko Gengyo-Ando, Atsushi Matsuzawa, Guang Hong and Junichi Nakai
Int. J. Mol. Sci. 2024, 25(2), 772; https://doi.org/10.3390/ijms25020772 - 07 Jan 2024
Viewed by 1203
Abstract
PC12 cells, which are derived from rat adrenal pheochromocytoma cells, are widely used for the study of neuronal differentiation. NGF induces neuronal differentiation in PC12 cells by activating intracellular pathways via the TrkA receptor, which results in elongated neurites and neuron-like characteristics. Moreover, [...] Read more.
PC12 cells, which are derived from rat adrenal pheochromocytoma cells, are widely used for the study of neuronal differentiation. NGF induces neuronal differentiation in PC12 cells by activating intracellular pathways via the TrkA receptor, which results in elongated neurites and neuron-like characteristics. Moreover, the differentiation requires both the ERK1/2 and p38 MAPK pathways. In addition to NGF, BMPs can also induce neuronal differentiation in PC12 cells. BMPs are part of the TGF-β cytokine superfamily and activate signaling pathways such as p38 MAPK and Smad. However, the brief lifespan of NGF and BMPs may limit their effectiveness in living organisms. Although PC12 cells are used to study the effects of various physical stimuli on neuronal differentiation, the development of new methods and an understanding of the molecular mechanisms are ongoing. In this comprehensive review, we discuss the induction of neuronal differentiation in PC12 cells without relying on NGF, which is already established for electrical, electromagnetic, and thermal stimulation but poses a challenge for mechanical, ultrasound, and light stimulation. Furthermore, the mechanisms underlying neuronal differentiation induced by physical stimuli remain largely unknown. Elucidating these mechanisms holds promise for developing new methods for neural regeneration and advancing neuroregenerative medical technologies using neural stem cells. Full article
(This article belongs to the Special Issue Recent Advances in Abiotic Stress Signaling)
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