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Plants
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Plant Cellular Homeostasis and Reprogramming during Stress
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Plant Cellular Homeostasis and Reprogramming during Stress

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

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 16019

Special Issue Editors

Dr. Ujjal Jyoti Phukan

E-Mail Website
Guest Editor
Plant Responses to Stress Group, Centre for Research in Agricultural Genomics (CRAG), CRAG Building - Campus UAB, Cerdanyola, 08193 Barcelona, Spain
Interests: plant stress physiology; protein homeostasis; transcriptional regulation; crop improvement
Dr. Núria Sánchez Coll

E-Mail Website
Guest Editor
Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Cerdanyola del Valles, Cerdanyola, 08193 Barcelona, Spain
Interests: pathogen-triggered programmed cell death; protein homeostasis; plant immunity

Special Issue Information

Dear Colleagues, 

Biotic and abiotic stresses induce a plethora of changes to cellular homeostasis. From early signaling events to transcriptional reprogramming to alterations in the proteomic landscape, plants adapt various strategies to cope during and after stress. These changes determine the fate of the recovery process. To maintain and re-establish cellular homeostasis, the whole signaling machinery is important. This is regulated at different levels as well. Recent advances/breakthroughs in the concerned field have provided us with a significant understanding of the underlying mechanism; however, various questions and challenges remain unanswered. 

Therefore, in this Special Issue of “Plant Cellular Homeostasis and Reprogramming during Stress” in Plants, we are encouraging the submission of original research papers, perspectives, hypotheses, opinions, reviews, modeling approaches, and methods. The issue will focus on various aspects of stress physiology, such as how plant homeostasis is maintained in response to different environmental/biological factors; what the signaling components are and how the signal is percolated inside the cell; what the receptors, messengers, kinases involved are and how they are regulated at different levels; how transcription of genes involved in homeostasis are regulated; how translational/post-translational machinery behaves; what the various components of degradome are; and what the fate is of misfolded/aggregate proteins/different components of the pathway. Plants, being sessile, have to encounter various stresses simultaneously or subsequently. Evolution has facilitated various adaptive strategies to counter, adjust, and recover from these stress. Therefore, it is necessary that we understand these phenomena/mechanisms that help plants to maintain their cellular homeostasis post-stress.

Dr. Ujjal Jyoti Phukan
Dr. Núria Sánchez Coll
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

  • Protein homeostasis
  • Transcriptional/translational alteration
  • Cellular reprogramming
  • Stress response

Published Papers (4 papers)

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Research

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14 pages, 3986 KiB  
Article
The Tomato Feruloyl Transferase FHT Promoter Is an Accurate Identifier of Early Development and Stress-Induced Suberization
by Anurag Kashyap, Álvaro Jiménez-Jiménez, Mercè Figueras, Olga Serra, Marc Valls and Nuria S. Coll
Plants 2023, 12(9), 1890; https://0-doi-org.brum.beds.ac.uk/10.3390/plants12091890 - 05 May 2023
Cited by 1 | Viewed by 1414
Abstract
As a wall polymer, suberin has a multifaceted role in plant development and stress responses. It is deposited between the plasma membrane and the primary cell wall in specialized tissues such as root exodermis, endodermis, phellem, and seed coats. It is formed de [...] Read more.
As a wall polymer, suberin has a multifaceted role in plant development and stress responses. It is deposited between the plasma membrane and the primary cell wall in specialized tissues such as root exodermis, endodermis, phellem, and seed coats. It is formed de novo in response to stresses such as wounding, salt injury, drought, and pathogen attack and is a complex polyester mainly consisting of fatty acids, glycerol, and minor amounts of ferulic acid that are associated to a lignin-like polymer predominantly composed of ferulates. Metabolomic and transcriptomic studies have revealed that cell wall lignification precedes suberin deposition. The ferulic acid esterified to ω-hydroxy fatty acids, synthetized by the feruloyl transferase FHT (or ASFT), presumably plays a role in coupling both polymers, although the precise mechanism is not understood. Here, we use the promoter of tomato suberin feruloyl transferase (FHT/ASFT) fused to GUS (β-glucuronidase) to demonstrate that ferulate deposition agrees with the site of promoter FHT activation by using a combination of histochemical staining and UV microscopy. Hence, FHT promoter activation and alkali UV microscopy can be used to identify the precise localization of early suberizing cells rich in ferulic acid and can additionally be used as an efficient marker of early suberization events during plant development and stress responses. This line can be used in the future as a tool to identify emerging suberization sites via ferulate deposition in tomato plants, which may contribute to germplasm screening in varietal improvement programs. Full article
(This article belongs to the Special Issue Plant Cellular Homeostasis and Reprogramming during Stress)
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8 pages, 865 KiB  
Communication
SNF1-Related Protein Kinase 1 Activity Represses the Canonical Translational Machinery
by Seungmin Son, Jong Hee Im, Giha Song and Sang Ryeol Park
Plants 2022, 11(10), 1359; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11101359 - 20 May 2022
Cited by 2 | Viewed by 1663
Abstract
Protein biosynthesis is achieved through translation, which consumes enormous energy. Therefore, under conditions of limited energy supply, translation progress should be strictly coordinated. Sucrose non-fermenting kinase1 (SNF1)-related protein kinase 1 (SnRK1) is an evolutionarily conserved master regulator of cellular energy stress signaling in [...] Read more.
Protein biosynthesis is achieved through translation, which consumes enormous energy. Therefore, under conditions of limited energy supply, translation progress should be strictly coordinated. Sucrose non-fermenting kinase1 (SNF1)-related protein kinase 1 (SnRK1) is an evolutionarily conserved master regulator of cellular energy stress signaling in plants. Rice (Oryza sativa) and Arabidopsis (Arabidopsis thaliana) SnRK1 enhance hypoxia tolerance and induce the expression of stress-related genes. However, whether SnRK1 modulates protein synthesis in plants is unknown. In this study, using translational reporter constructs transfected in Arabidopsis protoplasts we showed that the expression of OsSnRK1A and AtSnRK1.1 decreases the abundance of canonical proteins without affecting their encoding transcript levels and protein stability. Moreover, the loading of total mRNAs and GFP mRNAs into the heavy polysome fraction which is normally translated was attenuated in transgenic Arabidopsis lines constitutively expressing OsSnRK1A or AtSnRK1.1. Taken together, these results suggest that OsSnRK1A and AtSnRK1.1 suppress protein translation to maintain energy homeostasis. Full article
(This article belongs to the Special Issue Plant Cellular Homeostasis and Reprogramming during Stress)
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19 pages, 9133 KiB  
Article
Physiological and Transcriptomic Analyses Reveal Exogenous Trehalose Is Involved in the Responses of Wheat Roots to High Temperature Stress
by Yin Luo, Yanyang Xie, Weiqiang Li, Maohuan Wei, Tian Dai, Zhen Li and Bozhi Wang
Plants 2021, 10(12), 2644; https://0-doi-org.brum.beds.ac.uk/10.3390/plants10122644 - 01 Dec 2021
Cited by 10 | Viewed by 1926
Abstract
High temperature stress seriously limits the yield and quality of wheat. Trehalose, a non-reducing disaccharide, has been shown involved in regulating plant responses to a variety of environmental stresses. This study aimed to explore the molecular regulatory network of exogenous trehalose to improve [...] Read more.
High temperature stress seriously limits the yield and quality of wheat. Trehalose, a non-reducing disaccharide, has been shown involved in regulating plant responses to a variety of environmental stresses. This study aimed to explore the molecular regulatory network of exogenous trehalose to improve wheat heat tolerance through RNA-sequencing technology and physiological determination. The physiological data and RNA-seq showed that trehalose reduced malondialdehyde content and relative conductivity in wheat roots, and affecting the phenylpropane biosynthesis, starch and sucrose metabolism, glutathione metabolism, and other pathways. Our results showed that exogenous trehalose alleviates the oxidative damage caused by high temperature, coordinating the effect of wheat on heat stress by re-encoding the overall gene expression, but two wheat varieties showed different responses to high temperature stress after trehalose pretreatment. This study preliminarily revealed the effect of trehalose on gene expression regulation of wheat roots under high temperature stress, which provided a reference for the study of trehalose. Full article
(This article belongs to the Special Issue Plant Cellular Homeostasis and Reprogramming during Stress)
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Review

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25 pages, 1469 KiB  
Review
Abiotic Stresses in Plants and Their Markers: A Practice View of Plant Stress Responses and Programmed Cell Death Mechanisms
by Bruno Paes de Melo, Paola de Avelar Carpinetti, Otto Teixeira Fraga, Paolo Lucas Rodrigues-Silva, Vinícius Sartori Fioresi, Luiz Fernando de Camargos and Marcia Flores da Silva Ferreira
Plants 2022, 11(9), 1100; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11091100 - 19 Apr 2022
Cited by 29 | Viewed by 9559
Abstract
Understanding how plants cope with stress and the intricate mechanisms thereby used to adapt and survive environmental imbalances comprise one of the most powerful tools for modern agriculture. Interdisciplinary studies suggest that knowledge in how plants perceive, transduce and respond to abiotic stresses [...] Read more.
Understanding how plants cope with stress and the intricate mechanisms thereby used to adapt and survive environmental imbalances comprise one of the most powerful tools for modern agriculture. Interdisciplinary studies suggest that knowledge in how plants perceive, transduce and respond to abiotic stresses are a meaningful way to design engineered crops since the manipulation of basic characteristics leads to physiological remodeling for plant adaption to different environments. Herein, we discussed the main pathways involved in stress-sensing, signal transduction and plant adaption, highlighting biochemical, physiological and genetic events involved in abiotic stress responses. Finally, we have proposed a list of practice markers for studying plant responses to multiple stresses, highlighting how plant molecular biology, phenotyping and genetic engineering interconnect for creating superior crops. Full article
(This article belongs to the Special Issue Plant Cellular Homeostasis and Reprogramming during Stress)
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