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Transcription Control Mechanism for Plant Stress Responses
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Transcription Control Mechanism for Plant Stress Responses

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

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 14191

Special Issue Editor

Dr. Jong-Joo Cheong

E-Mail Website
Guest Editor
Center for Food and Bioconvergence, Seoul National University, Seoul, Korea
Interests: plant molecular biology; abscisic acid; signaling; transcription factor; epigenetics; drought tolerance; stress memory; transgenerational inheritance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The current global climate crisis raises habitual drought, high salinity, and abnormal temperatures (heat and cold), which has become a serious threat to crop productivity. Plants have evolved various strategies to cope with such stress conditions by exhibiting various physiological changes through the regulation of gene expression.

Gene expression is accompanied by chromatin remodeling (histone modification, promoter DNA methylation, etc.). In addition, small and long non-coding RNAs modulate gene expression at the transcriptional and posttranscriptional levels. The epigenetic changes can be memorized and transmitted to newly developed cells during vegetative growth and can even inherited by the next generation of plants.

This Special Issue will focus on the transcription control mechanism underlying the genetic and epigenetic changes in plant response to various abiotic stresses. Notwithstanding, contributions, including reviews and original research articles, on other related topics aimed at understanding these transcription control mechanisms are also welcome.

Dr. Jong-Joo Cheong
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

  • plant abiotic stress
  • transcription factor
  • (epi)genetics/genomics
  • chromatin remodeling
  • non-coding RNAs
  • stress memory
  • transgenerational inheritance

Published Papers (6 papers)

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Editorial

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3 pages, 169 KiB  
Editorial
Transcription Control Mechanisms for Plant Stress Responses
by Jong-Joo Cheong
Int. J. Mol. Sci. 2023, 24(7), 6824; https://doi.org/10.3390/ijms24076824 - 6 Apr 2023
Cited by 2 | Viewed by 981
Abstract
Plants have their roots fixed in the soil, so they are unable to escape from adverse environments [...] Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)

Research

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16 pages, 7740 KiB  
Article
Heat Shock Transcription Factor GhHSFB2a Is Crucial for Cotton Resistance to Verticillium dahliae
by Lu Liu, Qi Wang, Linfeng Zhu, Huiming Guo, Hongmei Cheng and Xiaofeng Su
Int. J. Mol. Sci. 2023, 24(3), 1845; https://doi.org/10.3390/ijms24031845 - 17 Jan 2023
Cited by 2 | Viewed by 1969
Abstract
Heat shock transcription factors (HSFs) play a critical regulatory role in many plant disease resistance pathways. However, the molecular mechanisms of cotton HSFs involved in resistance to the soil-borne fungus Verticillium dahliae are limited. In our previous study, we identified numerous differentially expressed [...] Read more.
Heat shock transcription factors (HSFs) play a critical regulatory role in many plant disease resistance pathways. However, the molecular mechanisms of cotton HSFs involved in resistance to the soil-borne fungus Verticillium dahliae are limited. In our previous study, we identified numerous differentially expressed genes (DEGs) in the transcriptome and metabolome of V. dahliae-inoculated Arabidopsis thaliana. In this study, we identified and functionally characterized GhHSFB2a, which is a DEG belonging to HSFs and related to cotton immunity to V. dahliae. Subsequently, the phylogenetic tree of the type two of the HSFB subfamily in different species was divided into two subgroups: A. thaliana and strawberry, which have the closest evolutionary relationship to cotton. We performed promoter cis-element analysis and showed that the defense-reaction-associated cis-acting element-FC-rich motif may be involved in the plant response to V. dahliae in cotton. The expression pattern analysis of GhHSFB2a displayed that it is transcriptional in roots, stems, and leaves and significantly higher at 12 h post-inoculation (hpi). Subcellular localization of GhHSFB2a was observed, and the results showed localization to the nucleus. Virus-induced gene silencing (VIGS) analysis exhibited that GhHSFB2a silencing increased the disease index and fungal biomass and attenuated resistance against V. dahliae. Transcriptome sequencing of wild-type and GhHSFB2a-silenced plants, followed by Gene Ontology, Kyoto Encyclopedia of Genes and Genomes, protein–protein interaction, and validation of marker genes revealed that ABA, ethylene, linoleic acid, and phenylpropanoid pathways are involved in GhHSFB2a-mediated plant disease resistance. Ectopic overexpression of the GhHSFB2a gene in Arabidopsis showed a significant increase in the disease resistance. Cumulatively, our results suggest that GhHSFB2a is required for the cotton immune response against V. dahliae-mediated ABA, ethylene, linoleic acid, and phenylpropanoid pathways, indicating its potential role in the molecular design breeding of plants. Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)
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18 pages, 6467 KiB  
Article
Genome-Wide Identification of Strawberry C2H2-ZFP C1-2i Subclass and the Potential Function of FaZAT10 in Abiotic Stress
by Hao Li, Maolan Yue, Leiyu Jiang, Yongqiang Liu, Nating Zhang, Xiaoling Liu, Yuyun Ye, Ximeng Lin, Yunting Zhang, Yuanxiu Lin, Mengyao Li, Yan Wang, Yong Zhang, Ya Luo, Xiaorong Wang, Qing Chen and Haoru Tang
Int. J. Mol. Sci. 2022, 23(21), 13079; https://doi.org/10.3390/ijms232113079 - 28 Oct 2022
Cited by 10 | Viewed by 1763
Abstract
C2H2-type zinc finger proteins (C2H2-ZFPs) play a key role in various plant biological processes and responses to environmental stresses. In Arabidopsisthaliana, C2H2-ZFP members with two zinc finger domains have been well-characterized in response to abiotic stresses. To date, the functions of [...] Read more.
C2H2-type zinc finger proteins (C2H2-ZFPs) play a key role in various plant biological processes and responses to environmental stresses. In Arabidopsisthaliana, C2H2-ZFP members with two zinc finger domains have been well-characterized in response to abiotic stresses. To date, the functions of these genes in strawberries are still uncharacterized. Here, 126 C2H2-ZFPs in cultivated strawberry were firstly identified using the recently sequenced Fragaria × ananassa genome. Among these C2H2-ZFPs, 46 members containing two zinc finger domains in cultivated strawberry were further identified as the C1-2i subclass. These genes were unevenly distributed on 21 chromosomes and classified into five groups according to the phylogenetic relationship, with similar physicochemical properties and motif compositions in the same group. Analyses of conserved domains and gene structures indicated the evolutionary conservation of the C1-2i subclass. A Ka/Ks analysis indicated that the C1-2i members were subjected to purifying selection during evolution. Furthermore, FaZAT10, a typical C2H2-ZFP, was isolated. FaZAT10 was expressed the highest in roots, and it was induced by drought, salt, low-temperature, ABA, and MeJA treatments. It was localized in the nucleus and showed no transactivation activity in yeast cells. Overall, these results provide useful information for enriching the analysis of the ZFPs gene family in strawberry, and they provide support for revealing the mechanism of FaZAT10 in the regulatory network of abiotic stress. Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)
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20 pages, 4060 KiB  
Article
Later Growth Cessation and Increased Freezing Tolerance Potentially Result in Later Dormancy in Evergreen Iris Compared with Deciduous Iris
by Tong Xu, Jiao Zhang, Lingmei Shao, Xiaobin Wang, Runlong Zhang, Chenxi Ji, Yiping Xia, Liangsheng Zhang, Jiaping Zhang and Danqing Li
Int. J. Mol. Sci. 2022, 23(19), 11123; https://doi.org/10.3390/ijms231911123 - 22 Sep 2022
Cited by 2 | Viewed by 1594
Abstract
Winter dormancy is a protective survival strategy for plants to resist harsh natural environments. In the context of global warming, the progression of dormancy has been significantly affected in perennials, which requires further research. Here, a systematic study was performed to compare the [...] Read more.
Winter dormancy is a protective survival strategy for plants to resist harsh natural environments. In the context of global warming, the progression of dormancy has been significantly affected in perennials, which requires further research. Here, a systematic study was performed to compare the induction of dormancy in two closely related iris species with an ecodormancy-only process, the evergreen Iris japonica Thunb. and the deciduous Iris tectorum Maxim. under artificial conditions. Firstly, morphological and physiological observations were evaluated to ensure the developmental status of the two iris species. Furthermore, the expression patterns of the genes involved in key pathways related to plant winter dormancy were determined, and correlation analyses with dormancy marker genes were conducted. We found that deciduous iris entered dormancy earlier than evergreen iris under artificial dormancy induction conditions. Phytohormones and carbohydrates play roles in coordinating growth and stress responses during dormancy induction in both iris species. Moreover, dormancy-related MADS-box genes and SnRKs (Snf1-related protein kinase) might represent a bridge between carbohydrate and phytohormone interaction during iris dormancy. These findings provide a hypothetical model explaining the later dormancy in evergreen iris compared with deciduous iris under artificial dormancy induction conditions and reveal some candidate genes. The findings of this study could provide new insights into the research of dormancy in perennial plants with an ecodormancy-only process and contribute to effectively managing iris production, postharvest storage, and shipping. Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)
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Review

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25 pages, 1373 KiB  
Review
Transcriptional Stress Memory and Transgenerational Inheritance of Drought Tolerance in Plants
by Nguyen Hoai Nguyen, Nam Tuan Vu and Jong-Joo Cheong
Int. J. Mol. Sci. 2022, 23(21), 12918; https://doi.org/10.3390/ijms232112918 - 26 Oct 2022
Cited by 16 | Viewed by 2724
Abstract
Plants respond to drought stress by producing abscisic acid, a chemical messenger that regulates gene expression and thereby expedites various physiological and cellular processes including the stomatal operation to mitigate stress and promote tolerance. To trigger or suppress gene transcription under drought stress [...] Read more.
Plants respond to drought stress by producing abscisic acid, a chemical messenger that regulates gene expression and thereby expedites various physiological and cellular processes including the stomatal operation to mitigate stress and promote tolerance. To trigger or suppress gene transcription under drought stress conditions, the surrounding chromatin architecture must be converted between a repressive and active state by epigenetic remodeling, which is achieved by the dynamic interplay among DNA methylation, histone modifications, loop formation, and non-coding RNA generation. Plants can memorize chromatin status under drought conditions to enable them to deal with recurrent stress. Furthermore, drought tolerance acquired during plant growth can be transmitted to the next generation. The epigenetically modified chromatin architectures of memory genes under stressful conditions can be transmitted to newly developed cells by mitotic cell division, and to germline cells of offspring by overcoming the restraints on meiosis. In mammalian cells, the acquired memory state is completely erased and reset during meiosis. The mechanism by which plant cells overcome this resetting during meiosis to transmit memory is unclear. In this article, we review recent findings on the mechanism underlying transcriptional stress memory and the transgenerational inheritance of drought tolerance in plants. Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)
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21 pages, 1846 KiB  
Review
The Mediator Complex: A Central Coordinator of Plant Adaptive Responses to Environmental Stresses
by Jialuo Chen, Su Yang, Baofang Fan, Cheng Zhu and Zhixiang Chen
Int. J. Mol. Sci. 2022, 23(11), 6170; https://doi.org/10.3390/ijms23116170 - 31 May 2022
Cited by 18 | Viewed by 4590
Abstract
As sessile organisms, plants are constantly exposed to a variety of environmental stresses and have evolved adaptive mechanisms, including transcriptional reprogramming, in order to survive or acclimate under adverse conditions. Over the past several decades, a large number of gene-specific transcription factors have [...] Read more.
As sessile organisms, plants are constantly exposed to a variety of environmental stresses and have evolved adaptive mechanisms, including transcriptional reprogramming, in order to survive or acclimate under adverse conditions. Over the past several decades, a large number of gene-specific transcription factors have been identified in the transcriptional regulation of plant adaptive responses. The Mediator complex plays a key role in transducing signals from gene-specific transcription factors to the transcription machinery to activate or repress target gene expression. Since its first purification about 15 years ago, plant Mediator complex has been extensively analyzed for its composition and biological functions. Mutants of many plant Mediator subunits are not lethal but are compromised in growth, development and response to biotic and abiotic stress, underscoring a particularly important role in plant adaptive responses. Plant Mediator subunits also interact with partners other than transcription factors and components of the transcription machinery, indicating the complexity of the regulation of gene expression by plant Mediator complex. Here, we present a comprehensive discussion of recent analyses of the structure and function of plant Mediator complex, with a particular focus on its roles in plant adaptive responses to a wide spectrum of environmental stresses and associated biological processes. Full article
(This article belongs to the Special Issue Transcription Control Mechanism for Plant Stress Responses)
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