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Plants
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Molecular Responses to Temperature in Plants
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Molecular Responses to Temperature in Plants

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

Deadline for manuscript submissions: closed (15 March 2022) | Viewed by 17982

Special Issue Editors

Dr. Alice Pajoro

E-Mail Website
Guest Editor
Institute of Molecular Biology and Pathology (IBPM), National Research Council (CNR), Rome, Italy
Interests: Molecular Biology; Plant development; Floral transition; Chromatin remodelling and epigenetics; Temperature sensing; long non coding RNA (lncRNA); Inflorescence stem development
Dr. Julia Qüesta

E-Mail Website
Guest Editor
Centre for Research in Agricultural Genomics (CRAG), 08193 Barcelona, Spain
Interests: Epigenetics; Plant development; Transcriptional silencing; Non-coding transcription; Polycomb; Seed-to-seedling transition; Flowering time regulation

Special Issue Information

Dear Colleagues,

Plants sense changes in the environment and adapt their development accordingly. Temperature is one of the environmental signals that strongly affect plant developmental responses. For example, plants are able to adapt their organ shape in relation to the temperature they experience, a phenomenon called “thermo-morphogenesis”. As such, elevated temperature promotes hypocotyl elongation. Plants also show differences in leaf morphology depending on the environmental temperature they experience at growth. Another important plant trait controlled by temperature is flowering time, the switch from the vegetative to the reproductive phase. Prolonged exposure to winter low temperature (vernalization), with the subsequent increase in ambient temperature during spring, promote flowering. Moreover, rapid increase (heat stress) or decrease in temperature (cold stress) have strong impact on plant developmental responses.

In the past decade researches discover genes ad molecular process involved in temperature sensing but how knowledge is still far from complete.

This special issue of Plants aims to collect new insights into how temperature modulate plant growth in model species as well as in crops. Original research papers, perspectives, hypotheses, opinions, reviews, modeling approaches and methods focusing on molecular mechanisms of temperature sensing and (co-)transcriptional responses to temperature fluctuations in plants are welcome.

Dr. Alice Pajoro
Dr. Julia Qüesta
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

  • Temperature sensing
  • Vernalization
  • Ambient temperature
  • Thermo-morphogenesis
  • Temperature-mediated flowering
  • Thermo-inhibition of germination
  • Modulation of (epi)transcriptome
  • Temperature-induced alternative splicing
  • Temperature-mediated co-transcriptional processes
  • Cold/heat stress
  • Extreme temperatures
  • Fluctuating temperature in natural environments
  • Memory of heat/cold stress
  • Adaptation to temperature changes.

Published Papers (6 papers)

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Research

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29 pages, 10635 KiB  
Article
The Effect of Cold Stress on the Root-Specific Lipidome of Two Wheat Varieties with Contrasting Cold Tolerance
by Bo Eng Cheong, Dingyi Yu, Federico Martinez-Seidel, William Wing Ho Ho, Thusitha W. T. Rupasinghe, Rudy Dolferus and Ute Roessner
Plants 2022, 11(10), 1364; https://doi.org/10.3390/plants11101364 - 20 May 2022
Cited by 4 | Viewed by 2491
Abstract
Complex glycerolipidome analysis of wheat upon low temperature stress has been reported for above-ground tissues only. There are no reports on the effects of cold stress on the root lipidome nor on tissue-specific responses of cold stress wheat roots. This study aims to [...] Read more.
Complex glycerolipidome analysis of wheat upon low temperature stress has been reported for above-ground tissues only. There are no reports on the effects of cold stress on the root lipidome nor on tissue-specific responses of cold stress wheat roots. This study aims to investigate the changes of lipid profiles in the different developmental zones of the seedling roots of two wheat varieties with contrasting cold tolerance exposed to chilling and freezing temperatures. We analyzed 273 lipid species derived from 21 lipid classes using a targeted profiling approach based on MS/MS data acquired from schedule parallel reaction monitoring assays. For both the tolerant Young and sensitive Wyalkatchem species, cold stress increased the phosphatidylcholine and phosphatidylethanolamine compositions, but decreased the monohexosyl ceramide compositions in the root zones. We show that the difference between the two varieties with contrasting cold tolerance could be attributed to the change in the individual lipid species, rather than the fluctuation of the whole lipid classes. The outcomes gained from this study may advance our understanding of the mechanisms of wheat adaptation to cold and contribute to wheat breeding for the improvement of cold-tolerance. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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14 pages, 2528 KiB  
Article
Comparative Proteomics Reveals the Difference in Root Cold Resistance between Vitis. riparia × V. labrusca and Cabernet Sauvignon in Response to Freezing Temperature
by Sijin Chen, Hongyan Su, Hua Xing, Juan Mao, Ping Sun and Mengfei Li
Plants 2022, 11(7), 971; https://doi.org/10.3390/plants11070971 - 2 Apr 2022
Cited by 1 | Viewed by 1785
Abstract
Grapevines, bearing fruit containing large amounts of bioactive metabolites that offer health benefits, are widely cultivated around the world. However, the cold damage incurred when grown outside in extremely low temperatures during the overwintering stage limits the expansion of production. Although the morphological, [...] Read more.
Grapevines, bearing fruit containing large amounts of bioactive metabolites that offer health benefits, are widely cultivated around the world. However, the cold damage incurred when grown outside in extremely low temperatures during the overwintering stage limits the expansion of production. Although the morphological, biochemical, and molecular levels in different Vitis species exposed to different temperatures have been investigated, differential expression of proteins in roots is still limited. Here, the roots of cold-resistant (Vitis. riparia × V. labrusca, T1) and cold-sensitive varieties (Cabernet Sauvignon, T3) at −4 °C, and also at −15 °C for the former (T2), were measured by iTRAQ-based proteomic analysis. Expression levels of genes encoding candidate proteins were validated by qRT-PCR, and the root activities during different treatments were determined using a triphenyl tetrazolium chloride method. The results show that the root activity of the cold-resistant variety was greater than that of the cold-sensitive variety, and it declined with the decrease in temperature. A total of 25 proteins were differentially co-expressed in T2 vs. T1 and T1 vs. T3, and these proteins were involved in stress response, bio-signaling, metabolism, energy, and translation. The relative expression levels of the 13 selected genes were consistent with their fold-change values of proteins. The signature translation patterns for the roots during spatio-temporal treatments of different varieties at different temperatures provide insight into the differential mechanisms of cold resistance of grapevine. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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21 pages, 4676 KiB  
Article
Reading between the Lines: RNA-seq Data Mining Reveals the Alternative Message of the Rice Leaf Transcriptome in Response to Heat Stress
by Charles Barros Vitoriano and Cristiane Paula Gomes Calixto
Plants 2021, 10(8), 1647; https://doi.org/10.3390/plants10081647 - 11 Aug 2021
Cited by 12 | Viewed by 3992
Abstract
Rice (Oryza sativa L.) is a major food crop but heat stress affects its yield and grain quality. To identify mechanistic solutions to improve rice yield under rising temperatures, molecular responses of thermotolerance must be understood. Transcriptional and post-transcriptional controls are involved [...] Read more.
Rice (Oryza sativa L.) is a major food crop but heat stress affects its yield and grain quality. To identify mechanistic solutions to improve rice yield under rising temperatures, molecular responses of thermotolerance must be understood. Transcriptional and post-transcriptional controls are involved in a wide range of plant environmental responses. Alternative splicing (AS), in particular, is a widespread mechanism impacting the stress defence in plants but it has been completely overlooked in rice genome-wide heat stress studies. In this context, we carried out a robust data mining of publicly available RNA-seq datasets to investigate the extension of heat-induced AS in rice leaves. For this, datasets of interest were subjected to filtering and quality control, followed by accurate transcript-specific quantifications. Powerful differential gene expression (DE) and differential AS (DAS) identified 17,143 and 2162 heat response genes, respectively, many of which are novel. Detailed analysis of DAS genes coding for key regulators of gene expression suggests that AS helps shape transcriptome and proteome diversity in response to heat. The knowledge resulting from this study confirmed a widespread transcriptional and post-transcriptional response to heat stress in plants, and it provided novel candidates for rapidly advancing rice breeding in response to climate change. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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16 pages, 2270 KiB  
Article
Exogenous Methyl Jasmonate Improves Cold Tolerance with Parallel Induction of Two Cold-Regulated (COR) Genes Expression in Triticum aestivum L.
by Natalia Repkina, Anna Ignatenko, Ekaterina Holoptseva, Zbigniew MiszalskI, Paweł Kaszycki and Vera Talanova
Plants 2021, 10(7), 1421; https://doi.org/10.3390/plants10071421 - 12 Jul 2021
Cited by 22 | Viewed by 2680
Abstract
Methyl jasmonate (MJ) is an important plant growth regulator that plays a key role in tolerance to biotic and abiotic stresses. In this research, the effects of exogenous MJ on cold tolerance, photosynthesis, activity and gene expression of antioxidant enzymes, proline accumulation, and [...] Read more.
Methyl jasmonate (MJ) is an important plant growth regulator that plays a key role in tolerance to biotic and abiotic stresses. In this research, the effects of exogenous MJ on cold tolerance, photosynthesis, activity and gene expression of antioxidant enzymes, proline accumulation, and expression of cold-regulated (COR) genes in wheat seedlings under low temperature (4 °C) were investigated. Exogenous MJ treatment (1 µM) promoted wheat cold tolerance before and during cold exposure. Low temperature significantly decreased photosynthetic parameters, whereas MJ application led to their partial recovery under cold exposure. Hydrogen peroxide (H2O2) and malondialdehyde (MDA) levels increased in response to low temperature, and this was counteracted by MJ application. Exogenous MJ significantly enhanced the activities of antioxidant enzymes and upregulated the expression of MnSOD and CAT during cold exposure. MJ application also led to enhanced proline content before 4 °C exposure, whereas the P5CS gene expression was upregulated by MJ’s presence at both normal (22 °C) and low (4 °C) temperatures. It was also shown that MJ tended to upregulate the expression of the COR genes WCS19 and WCS120 genes. We conclude that exogenous MJ can alleviate the negative effect of cold stress thus increasing wheat cold tolerance. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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19 pages, 2754 KiB  
Article
The Impact of Heat Stress on Morpho-Physiological Response and Expression of Specific Genes in the Heat Stress-Responsive Transcriptional Regulatory Network in Brassica oleracea
by Mahdi Moradpour, Siti Nor Akmar Abdullah and Parameswari Namasivayam
Plants 2021, 10(6), 1064; https://doi.org/10.3390/plants10061064 - 26 May 2021
Cited by 9 | Viewed by 3971
Abstract
Knowledge of heat-tolerant/sensitive cultivars based on morpho-physiological indicators and an understanding of the action and interaction of different genes in the molecular network are critical for genetic improvement. To screen these indicators, the physiological performance of two different varieties of white and red [...] Read more.
Knowledge of heat-tolerant/sensitive cultivars based on morpho-physiological indicators and an understanding of the action and interaction of different genes in the molecular network are critical for genetic improvement. To screen these indicators, the physiological performance of two different varieties of white and red cabbages (B. oleracea var. capitate f. alba and f. rubra, respectively) under heat stress (HS) and non-stress (NS) was evaluated. Cultivars that showed considerable cell membrane thermostability and less reduction in chlorophyll content with better head formation were categorized as the heat-tolerant cultivars (HTC), while those with reduction in stomatal conductance, higher reduction incurred in chlorophyll and damage to thylakoid membranes are categorized as the heat-sensitive cultivars (HSC). Expression profiling of key genes in the HS response network, including BoHSP70 (HEAT SHOCK PROTEIN 70), BoSCL13 (SCARECROW-LIKE 13) and BoDPB3-1 (transcriptional regulator DNA POLYMERASE II SUBUNIT B3-1 (DPB3-1))/NUCLEAR FACTOR Y SUBUNIT C10 (NF-YC10), were evaluated in all cultivars under HS compared to NS plants, which showed their potential as molecular indicators to differentiate HTC from HSC. Based on the results, the morphophysiological and molecular indicators are applicable to cabbage cultivars for differentiating HTC from HSC, and potential target genes for genome editing were identified for enhancing food security in the warmer regions of the world. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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Review

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11 pages, 876 KiB  
Review
The Roles of Temperature-Related Post-Transcriptional Regulation in Cereal Floral Development
by Dominique Hirsz and Laura E. Dixon
Plants 2021, 10(11), 2230; https://doi.org/10.3390/plants10112230 - 20 Oct 2021
Cited by 4 | Viewed by 1773
Abstract
Temperature is a critical environmental signal in the regulation of plant growth and development. The temperature signal varies across a daily 24 h period, between seasons and stochastically depending on local environmental events. Extracting important information from these complex signals has led plants [...] Read more.
Temperature is a critical environmental signal in the regulation of plant growth and development. The temperature signal varies across a daily 24 h period, between seasons and stochastically depending on local environmental events. Extracting important information from these complex signals has led plants to evolve multiple temperature responsive regulatory mechanisms at the molecular level. In temperate cereals, we are starting to identify and understand these molecular mechanisms. In addition, we are developing an understanding of how this knowledge can be used to increase the robustness of crop yield in response to significant changes in local and global temperature patterns. To enable this, it is becoming apparent that gene regulation, regarding expression and post-transcriptional regulation, is crucial. Large transcriptomic studies are identifying global changes in spliced transcript variants and regulatory non-coding RNAs in response to seasonal and stress temperature signals in many of the cereal crops. Understanding the functions of these variants and targets of the non-coding RNAs will greatly increase how we enable the adaptation of crops. This review considers our current understanding and areas for future development. Full article
(This article belongs to the Special Issue Molecular Responses to Temperature in Plants)
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