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Vaitkevičiūtė G, Aleliūnas A, Brazauskas G, Armonienė R. Deacclimation and reacclimation processes in winter wheat: novel perspectives from time-series transcriptome analysis. FRONTIERS IN PLANT SCIENCE 2024; 15:1395830. [PMID: 38807787 PMCID: PMC11130478 DOI: 10.3389/fpls.2024.1395830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 04/24/2024] [Indexed: 05/30/2024]
Abstract
Winter wheat achieves freezing tolerance (FT) through cold acclimation (CA) - a process which is induced by low positive temperatures in autumn. The increasing occurrences of temperature fluctuations in winter lead to deacclimation (DEA), causing premature loss of FT, and the cultivars capable of reacclimation (REA) are more likely to survive the subsequent cold spells. The genetic mechanisms of DEA and REA remain poorly understood, necessitating further research to bolster climate resilience in winter wheat. Here, we selected two winter wheat genotypes with contrasting levels of FT and conducted a ten-week-long experiment imitating low-temperature fluctuations after CA under controlled conditions. Crown and leaf tissue samples for RNA-sequencing were collected at CA, DEA, and REA time-points. It is the first transcriptomic study covering both short- and long-term responses to DEA and REA in winter wheat. The study provides novel knowledge regarding CA, DEA, and REA and discusses the gene expression patterns conferring FT under temperature fluctuations. The freezing-tolerant genotype "Lakaja DS" showed elevated photosynthetic activity in leaf tissue and upregulated cryoprotective protein-encoding genes in crowns after CA when compared to the freezing-susceptible "KWS Ferrum". "Lakaja DS" also expressed cold acclimation-associated transcripts at a significantly higher level after 1 week of DEA. Following REA, "Lakaja DS" continued to upregulate dehydrin-related genes in crowns and exhibited significantly higher expression of chitinase transcripts in leaves, when compared to "KWS Ferrum". The findings of this study shed light on the genetic mechanisms governing DEA and REA in winter wheat, thus addressing the gaps in knowledge regarding FT under low-temperature fluctuations. The identified genes should be further examined as potential molecular markers for breeding strategies focused on developing freezing-tolerant winter-type crops. Publicly available datasets generated in this study are valuable resources for further research into DEA and REA, contributing towards the enhancement of winter wheat under global climate change.
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Affiliation(s)
- Gabija Vaitkevičiūtė
- Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Akademija, Lithuania
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Wójcik-Jagła M, Rapacz M. Freezing tolerance and tolerance to de-acclimation of European accessions of winter and facultative barley. Sci Rep 2023; 13:19931. [PMID: 37968280 PMCID: PMC10651919 DOI: 10.1038/s41598-023-47318-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 11/12/2023] [Indexed: 11/17/2023] Open
Abstract
Due to global warming, winter hardiness may seem to become less important for plant survival and yield. However, this is a superficial assumption, as probably only the most important factors locally affecting plant overwintering will change. For example, the frequency, degree, and length of extreme winter warming events may increase, leading to de-acclimation of plants. This study aimed to investigate existing variability in de-acclimation tolerance in Polish winter barley breeding materials and European winter and facultative barley cultivars, and to identify accessions with the highest and the lowest tolerance to de-acclimation by means of visual estimation of regrowth after freezing, measurements of electrolyte leakage and chlorophyll fluorescence, and LT50 assessment. The results of this study showed that freezing tolerance and tolerance to de-acclimation are independent traits, and even highly freezing tolerant plants can be susceptible to de-acclimation. Our results highlight the role of photosynthetic apparatus in de-acclimation, proving that chlorophyll fluorescence parameters, especially ET0/CS, can be useful indicators of tolerance to de-acclimation. This study also confirmed that although the mechanisms of response to de-acclimation seem to be common for susceptible barley accessions, the mechanisms of tolerance are different, and may be related to the accession's origin.
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Affiliation(s)
- Magdalena Wójcik-Jagła
- Department of Plant Breeding, Physiology and Seed Science, University of Agriculture, Krakow, Poland.
| | - Marcin Rapacz
- Department of Plant Breeding, Physiology and Seed Science, University of Agriculture, Krakow, Poland
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López D, Larama G, Sáez PL, Bravo LA. Transcriptome Analysis of Diurnal and Nocturnal-Warmed Plants, the Molecular Mechanism Underlying Cold Deacclimation Response in Deschampsia antarctica. Int J Mol Sci 2023; 24:11211. [PMID: 37446390 DOI: 10.3390/ijms241311211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 07/15/2023] Open
Abstract
Warming in the Antarctic Peninsula is one of the fastest on earth, and is predicted to become more asymmetric in the near future. Warming has already favored the growth and reproduction of Antarctic plant species, leading to a decrease in their freezing tolerance (deacclimation). Evidence regarding the effects of diurnal and nocturnal warming on freezing tolerance-related gene expression in D. antarctica is negligible. We hypothesized that freezing tolerance-related gene (such as CBF-regulon) expression is reduced mainly by nocturnal warming rather than diurnal temperature changes in D. antarctica. The present work aimed to determine the effects of diurnal and nocturnal warming on cold deacclimation and its associated gene expression in D. antarctica, under laboratory conditions. Fully cold-acclimated plants (8 °C/0 °C), with 16h/8h thermoperiod and photoperiod duration, were assigned to four treatments for 14 days: one control (8 °C/0 °C) and three with different warming conditions (diurnal (14 °C/0 °C), nocturnal (8 °C/6 °C), and diurnal-nocturnal (14 °C/6 °C). RNA-seq was performed and differential gene expression was analyzed. Nocturnal warming significantly down-regulated the CBF transcription factors expression and associated cold stress response genes and up-regulated photosynthetic and growth promotion genes. Consequently, nocturnal warming has a greater effect than diurnal warming on the cold deacclimation process in D. antarctica. The eco-physiological implications are discussed.
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Affiliation(s)
- Dariel López
- Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente and Center of Plant, Soil Interactions and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Giovanni Larama
- Biocontrol Research Laboratory and Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Patricia L Sáez
- Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente and Center of Plant, Soil Interactions and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - León A Bravo
- Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente and Center of Plant, Soil Interactions and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
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López D, Sanhueza C, Salvo-Garrido H, Bascunan-Godoy L, Bravo LA. How Does Diurnal and Nocturnal Warming Affect the Freezing Resistance of Antarctic Vascular Plants? PLANTS (BASEL, SWITZERLAND) 2023; 12:806. [PMID: 36840154 PMCID: PMC9966323 DOI: 10.3390/plants12040806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/24/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
The Antarctic Peninsula has rapidly warmed up in past decades, and global warming has exhibited an asymmetric trend; therefore, it is interesting to understand whether nocturnal or diurnal warming is the most relevant for plant cold deacclimation. This study aimed to evaluate the effect of diurnal and nocturnal warming on Antarctic vascular plant's freezing resistance under laboratory conditions. This was studied by measuring the lethal temperature for 50% of tissue (LT50), ice nucleation temperature (INT), and freezing point (FP) on Deschampsia antarctica and Colobanthus quitensis plants. Additionally, soluble carbohydrates content and dehydrin levels were analyzed during nocturnal and diurnal temperatures increase. Nocturnal warming led to a 7 °C increase in the LT50 of D. antarctica and reduced dehydrin-like peptide expression. Meanwhile, C. quitensis warmed plants reduce their LT50 to about 3.6 °C. Both species reduce their sucrose content by more than 28% in warming treatments. Therefore, nocturnal warming leads to cold deacclimation in both plant species, while C. quitensis plants are also cold-deacclimated upon warm days. This suggests that even when the remaining freezing resistance of both species allows them to tolerate summer freezing events, C. quitensis can reach its boundaries of freezing vulnerability in the near future if warming in the Antarctic Peninsula progress.
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Affiliation(s)
- Dariel López
- Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente and Center of Plant, Soil Interactions and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Carolina Sanhueza
- Laboratorio de Fisiología Vegetal, Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción 4030000, Chile
| | - Haroldo Salvo-Garrido
- Centro de Genómica Nutricional Agroacuícola, Ciencia en Plantas, Temuco 4781158, Chile
| | - Luisa Bascunan-Godoy
- Laboratorio de Fisiología Vegetal, Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción 4030000, Chile
| | - León A. Bravo
- Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente and Center of Plant, Soil Interactions and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
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Vaitkevičiūtė G, Aleliūnas A, Gibon Y, Armonienė R. The effect of cold acclimation, deacclimation and reacclimation on metabolite profiles and freezing tolerance in winter wheat. FRONTIERS IN PLANT SCIENCE 2022; 13:959118. [PMID: 36046584 PMCID: PMC9421140 DOI: 10.3389/fpls.2022.959118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/20/2022] [Indexed: 06/03/2023]
Abstract
Global climate change will cause longer and warmer autumns, thus negatively affecting the quality of cold acclimation (CA) and reducing the freezing tolerance (FT) of winter wheat. Insufficient FT and fluctuating temperatures during winter can accelerate the deacclimation (DEA) process, whereas reacclimation (REA) is possible only while the vernalization requirement is unfulfilled. Six winter wheat genotypes with different winter hardiness profiles were used to evaluate the impact of constant low-temperature (2°C) and prolonged higher low-temperature (28 days at 10°C followed by 2°C until day 49) on shoot biomass and metabolite accumulation patterns in leaf and crown tissues throughout 49 days of CA, 7 days of DEA, and 14 days of REA. The FT of winter wheat was determined as LT30 values by conducting freezing tests after CA, DEA, and REA. Shoot biomass accumulation, projected as the green leaf area (GLA), was investigated by non-destructive RGB imaging-based phenotyping. Dynamics of carbohydrates, hexose phosphates, organic acids, proteins, and amino acids were assessed in leaf and crown tissues. Results revealed that exposure to higher low-temperature induced higher accumulation of shoot biomass and had a negative impact on FT of winter wheat. Prolonged higher low-temperature negatively affected the accumulation of soluble carbohydrates, protein content and amino acids, and had a positive effect on starch accumulation in leaf and crown tissues after CA, in comparison with the constant low-temperature treatment. DEA resulted in significantly reduced FT. Lower concentrations of glucose-6-phosphate, sucrose and proline, as well as higher concentrations of starch in leaves and crowns were found after DEA. The majority of the genotypes regained FT after REA; higher concentrations of glucose and malate in leaves, and sucrose in crown tissue were observed, whereas starch accumulation was decreased in both tissues. Negative correlations were determined between FT and starch concentration in leaves and crowns, while proline and proteins, accumulated in crowns, showed positive correlations with FT. This study broadens the knowledge regarding the effect of different low-temperature regimes on the dynamics of metabolite accumulation in winter wheat throughout CA, DEA, and REA, and its relationship to biomass accumulation and FT.
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Affiliation(s)
- Gabija Vaitkevičiūtė
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
| | - Andrius Aleliūnas
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
| | - Yves Gibon
- Univ. Bordeaux, INRAE, Bordeaux Metabolome, UMR 1332 BFP, Villenave d’Ornon, France
| | - Rita Armonienė
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
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Zareei E, Karami F, Gholami M, Ershadi A, Avestan S, Aryal R, Gohari G, Farooq M. Physiological and biochemical responses of strawberry crown and leaf tissues to freezing stress. BMC PLANT BIOLOGY 2021; 21:532. [PMID: 34773991 PMCID: PMC8590311 DOI: 10.1186/s12870-021-03300-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 10/29/2021] [Indexed: 05/25/2023]
Abstract
BACKGROUND In northern Iran and other cold regions, winter freezing injury and resultant yield instability are major limitations to strawberry production. However, there is scarcity of information on the physiological and biochemical responses of strawberry cultivars to freezing stress. This study aimed to investigate the physiological and biochemical responses of strawberry cultivars (Tennessee Beauty, Blakemore, Kurdistan, Queen Elisa, Chandler, Krasnyy Bereg, and Yalova) to different freezing temperature treatments (- 5, - 10, - 15, - 20, and - 25 °C) under controlled conditions. RESULTS All measured physiological and biochemical features were significantly affected by the interaction effect between low temperatures and cultivars. Tennessee Beauty showed the highest RWC at - 25 °C. The highest Fv/Fm was observed in Queen Elisa. Krasnyy Bereg had the least freezing injury (FI) in crown and leaf, while Yalova and Chandler showed the highest crown and leaf FI, respectively. At - 20 to - 25 °C, the highest carbohydrates contents of crown and leaf were noted in Blakemore and Krasnyy Bereg cultivars, respectively. The Yalova showed the highest protein content in both crown and leaf tissues at - 25 °C. The Tennessee Beauty and Blackmore cultivars showed the highest proline in crowns and leaves at - 15 °C, respectively. The highest ThioBarbituric Acid Reactive Substances (TBARS) contents in the crown and leaf were observed in Kurdistan and Queen Elisa, respectively. Queen Elisa and Krasnyy Bereg cultivars showed SOD and POD peaks in the crown at - 15 °C, respectively. CONCLUSION Freezing stress was characterized by decreased Fv/Fm and RWC, and increased FI, TBARS, total carbohydrates, total proteins, proline content, and antioxidant enzyme activity. The extent of changes in above mentioned traits was cultivar dependent. FI and TBARS were the best traits among destructive parameters for evaluating freezing tolerance. Moreover, maximum quantum yield of PSII (Fv/Fm index), as non-destructive parameters, showed a significant efficiency in rapid assessment for screening of freezing tolerant strawberry cultivars. The cultivars Krasnyy Bereg, Queen Elisa, and Kurdistan were the most tolerant cultivars to freezing stress. These cultivars can be used as parents in breeding programs to develop new freezing tolerant cultivars.
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Affiliation(s)
- Elnaz Zareei
- Department of Horticultural Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Farhad Karami
- Horticultural Research Department, Kurdistan Agricultural and Natural Resources Research and Education Center, AREEO, Sanandaj, Iran.
| | - Mansour Gholami
- Department of Horticultural Sciences, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
| | - Ahmad Ershadi
- Department of Horticultural Sciences, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
| | - Saber Avestan
- Horticultural Research Department, Kurdistan Agricultural and Natural Resources Research and Education Center, AREEO, Sanandaj, Iran
| | - Rishi Aryal
- Department of Horticultural Science, NC State University, Raleigh, NC, USA
| | - Gholamreza Gohari
- Department of Horticultural Sciences, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
| | - Muhammad Farooq
- Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, 123, Al-Khoud, Oman
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Hassan MA, Xiang C, Farooq M, Muhammad N, Yan Z, Hui X, Yuanyuan K, Bruno AK, Lele Z, Jincai L. Cold Stress in Wheat: Plant Acclimation Responses and Management Strategies. FRONTIERS IN PLANT SCIENCE 2021; 12:676884. [PMID: 34305976 PMCID: PMC8299469 DOI: 10.3389/fpls.2021.676884] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 05/28/2021] [Indexed: 05/02/2023]
Abstract
Unpredicted variability in temperature is associated with frequent extreme low-temperature events. Wheat is a leading crop in fulfilling global food requirements. Climate-driven temperature extremes influence the vegetative and reproductive growth of wheat, followed by a decrease in yield. This review describes how low temperature induces a series of modifications in the morphophysiological, biochemical, and molecular makeup of wheat and how it is perceived. To cope with these modifications, crop plants turn on their cold-tolerance mechanisms, characterized by accumulating soluble carbohydrates, signaling molecules, and cold tolerance gene expressions. The review also discusses the integrated management approaches to enhance the performance of wheat plants against cold stress. In this review, we propose strategies for improving the adaptive capacity of wheat besides alleviating risks of cold anticipated with climate change.
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Affiliation(s)
| | - Chen Xiang
- School of Agronomy, Anhui Agricultural University, Hefei, China
| | - Muhammad Farooq
- Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat, Oman
| | - Noor Muhammad
- Agronomy (Forage Production) Section, Ayub Agricultural Research Institute, Faisalabad, Pakistan
| | - Zhang Yan
- School of Agronomy, Anhui Agricultural University, Hefei, China
| | - Xu Hui
- School of Agronomy, Anhui Agricultural University, Hefei, China
| | - Ke Yuanyuan
- School of Agronomy, Anhui Agricultural University, Hefei, China
| | | | - Zhang Lele
- School of Agronomy, Anhui Agricultural University, Hefei, China
| | - Li Jincai
- School of Agronomy, Anhui Agricultural University, Hefei, China
- Jiangsu Collaborative Innovation Centre for Modern Crop Production, Nanjing, China
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Relationship between WCS120 Protein Family Accumulation and Frost Tolerance in Wheat Cultivars Grown under Different Temperature Treatments. PLANTS 2021; 10:plants10061114. [PMID: 34073120 PMCID: PMC8228299 DOI: 10.3390/plants10061114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/27/2021] [Accepted: 05/27/2021] [Indexed: 11/25/2022]
Abstract
Frost tolerance (FT) is generally acquired after exposure of plants to low, but non-freezing temperatures, where it is associated with the accumulation of COR proteins. The aim of the study was to reveal the effect of different temperature treatments (25, 17, 9 and 4 °C) on accumulation of cold-regulated dehydrins, dry weight content, and the development of FT in five wheat cultivars of different frost-tolerances in detail. The levels of cold-regulated dehydrins, WCS120 proteins in wheat were determined by immunoblot analysis, probed with an anti-dehydrin antibody. The lower the growth temperature: the higher the level of frost tolerance, dry weight content, and dehydrin accumulation, in all cultivars. There was a significant correlation between the level of induced FT and the accumulation of WCS120 proteins in cultivars grown at lower temperatures (9 and 4 °C). Moreover, the highly frost-tolerant wheat cultivars (as opposed to the lower-tolerant) accumulated higher levels of WCS120 proteins at 17 °C, a temperature at which it was not possible to differentiate between them via a frost test. Here, we demonstrated the possibility to distinguish differently frost-tolerant cultivars grown at different temperatures by the accumulation of different members of WCS120 family.
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Kosová K, Klíma M, Prášil IT, Vítámvás P. COR/LEA Proteins as Indicators of Frost Tolerance in Triticeae: A Comparison of Controlled versus Field Conditions. PLANTS 2021; 10:plants10040789. [PMID: 33923804 PMCID: PMC8073581 DOI: 10.3390/plants10040789] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 04/07/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022]
Abstract
Low temperatures in the autumn induce enhanced expression/relative accumulation of several cold-inducible transcripts/proteins with protective functions from Late-embryogenesis-abundant (LEA) superfamily including dehydrins. Several studies dealing with plants grown under controlled conditions revealed a correlation (significant quantitative relationship) between dehydrin transcript/protein relative accumulation and plant frost tolerance. However, to apply these results in breeding, field experiments are necessary. The aim of the review is to provide a summary of the studies dealing with the relationships between plant acquired frost tolerance and COR/LEA transcripts/proteins relative accumulation in cereals grown in controlled and field conditions. The impacts of cold acclimation and vernalisation processes on the ability of winter-type Triticeae to accumulate COR/LEA proteins are discussed. The factors determining dehydrin relative accumulation under controlled cold acclimation treatments versus field trials during winter seasons are discussed. In conclusion, it can be stated that dehydrins could be used as suitable indicators of winter survival in field-grown winter cereals but only in plant prior to the fulfilment of vernalisation requirement.
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Yu ZC, Wang TQ, Luo YN, Zheng XT, He W, Chen LB, Peng CL. Overexpression of the V-ATPase c subunit gene from Antarctic notothenioid fishes enhances freezing tolerance in transgenic Arabidopsis plants. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 160:365-376. [PMID: 33550177 DOI: 10.1016/j.plaphy.2021.01.038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 01/23/2021] [Indexed: 05/23/2023]
Abstract
Theoretical and experimental studies have demonstrated that temperature is an important environmental factor that affects the regional distribution of plants. However, how to modify the distribution pattern of plants in different regions is a focus of current research. Obtain the information of cold tolerance genes from cold tolerance species, cloning genes with real cold tolerance effects is one of the most important ways to find the genes related to cold tolerance. In this study, we investigated whether transferring the VHA-c gene from Antarctic notothenioid fishes into Arabidopsis enhances freezing tolerance of Arabidopsis. The physiological response and molecular changes of VHA-c overexpressing pedigree and wildtype Arabidopsis were studied at -20 °C. The results showed that the malondialdehyde (MDA) and membrane leakage rates of WT plants were significantly higher than those of VHA-c8 and VHA-c11 plants, but the soluble sugar, soluble protein, proline and ATP contents of WT plants were significantly lower than those of VHA-c8 and VHA-c11 plants under -20 °C freezing treatment. The survival rate, VHA-c gene expression level and VHA-c protein contents of WT plants were significantly lower than those of VHA-c8 and VHA-c11 plants under -20 °C freezing treatment. Correlation analysis showed that ATP content was significantly negatively correlated with MDA and membrane leakage rate, and positively correlated with soluble sugar, soluble protein and proline content under -20 °C freezing treatment. These results demonstrated that overexpression of the VHA-c gene provided strong freezing tolerance to Arabidopsis by increasing the synthesis of ATP and improved the adaptability of plants in low temperature environment.
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Affiliation(s)
- Zheng-Chao Yu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Ting-Qin Wang
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Yan-Na Luo
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Xiao-Ting Zheng
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Wei He
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Liang-Biao Chen
- Internal Joint Research Center for Marine Biosciences (Ministry of Science and Technology), College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China.
| | - Chang-Lian Peng
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China.
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Cheong BE, Ho WWH, Biddulph B, Wallace X, Rathjen T, Rupasinghe TWT, Roessner U, Dolferus R. Phenotyping reproductive stage chilling and frost tolerance in wheat using targeted metabolome and lipidome profiling. Metabolomics 2019; 15:144. [PMID: 31630279 PMCID: PMC6800866 DOI: 10.1007/s11306-019-1606-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 10/10/2019] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Frost events lead to A$360 million of yield losses annually to the Australian wheat industry, making improvement of chilling and frost tolerance an important trait for breeding. OBJECTIVES This study aimed to use metabolomics and lipidomics to explore genetic variation in acclimation potential to chilling and to identify metabolite markers for chilling tolerance in wheat. METHODS We established a controlled environment screening assay that is able to reproduce field rankings of wheat germplasm for chilling and frost tolerance. This assay, together with targeted metabolomics and lipidomics approaches, were used to compare metabolite and lipid levels in flag leaves of two wheat varieties with contrasting chilling tolerance. RESULTS The sensitive variety Wyalkatchem showed a strong reduction in amino acids after the first cold night, followed by accumulation of osmolytes such as fructose, glucose, putrescine and shikimate over a 4-day period. Accumulation of osmolytes is indicative of acclimation to water stress in Wyalkatchem. This response was not observed for tolerant variety Young. The two varieties also displayed significant differences in lipid accumulation. Variation in two lipid clusters, resulted in a higher unsaturated to saturated lipid ratio in Young after 4 days cold treatment and the lipids PC(34:0), PC(34:1), PC(35:1), PC(38:3), and PI(36:4) were the main contributors to the unsaturated to saturated ratio change. This indicates that Young may have superior ability to maintain membrane fluidity following cold exposure, thereby avoiding membrane damage and water stress observed for Wyalkatchem. CONCLUSION Our study suggests that metabolomics and lipidomics markers could be used as an alternative phenotyping method to discriminate wheat varieties with differences in cold acclimation.
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Affiliation(s)
- Bo Eng Cheong
- School of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
| | - William Wing Ho Ho
- School of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
- Melbourne Integrative Genomics, Schools of Mathematics and Statistics and of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
| | - Ben Biddulph
- Department of Primary Industries and Regional Development, 3 Baron Hay Court, South Perth, WA 6151 Australia
| | - Xiaomei Wallace
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601 Australia
| | - Tina Rathjen
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601 Australia
| | - Thusitha W. T. Rupasinghe
- Metabolomics Australia, School of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
| | - Ute Roessner
- School of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
- Metabolomics Australia, School of BioSciences, The University of Melbourne, Melbourne, VIC 3010 Australia
| | - Rudy Dolferus
- CSIRO Agriculture & Food, GPO Box 1700, Canberra, ACT 2601 Australia
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Vítámvás P, Kosová K, Musilová J, Holková L, Mařík P, Smutná P, Klíma M, Prášil IT. Relationship Between Dehydrin Accumulation and Winter Survival in Winter Wheat and Barley Grown in the Field. FRONTIERS IN PLANT SCIENCE 2019; 10:7. [PMID: 30761163 PMCID: PMC6361858 DOI: 10.3389/fpls.2019.00007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 01/07/2019] [Indexed: 05/29/2023]
Abstract
UNLABELLED Low temperatures represent a crucial environmental factor determining winter survival (WS) of barley and wheat winter-type varieties. In laboratory experiments, low temperatures induce an active plant acclimation response, which is associated with an enhanced accumulation of several stress-inducible proteins including dehydrins. Here, dehydrin accumulations in sampled wheat (WCS120 protein family, or WCS120 and WDHN13 transcripts) and barley (DHN5 protein) varieties grown in two locations for two winters were compared with the variety WS evaluated by a provocation wooden-box test. A high correlation between dehydrin transcripts or protein relative accumulation and variety WS score was found only in samples taken prior vernalization fulfillment, when high tolerant varieties accumulated dehydrins earlier and to higher level than less tolerant varieties, and the plants have not yet been vernalized. After vernalization fulfillment, the correlation was weak, and the apical development indicated that plants reached double ridge (DR) in barley or stayed before DR in wheat. Dehydrin proteins and transcripts can be thus used as reliable markers of wheat or barley variety winter hardiness in the field conditions; however, only at the beginning of winter, when the plants have not yet finished vernalization. In wheat, a higher correlation was obtained for the total amount of dehydrins than for the individual dehydrin proteins. HIGHLIGHTS -More tolerant winter-type wheat and barley plants reveal higher threshold induction temperatures for dehydrin accumulation in comparison to less tolerant varieties. Thus, more tolerant winter cereals have higher dehydrin levels than the less tolerant ones upon the same ambient temperature in November samplings.-A significant correlation between dehydrin transcript/protein accumulation and winter survival was found in both winter wheat and winter barley plants in the field conditions, but only prior to vernalization fulfillment.
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Affiliation(s)
- Pavel Vítámvás
- Department of Genetics and Plant Breeding, Crop Research Institute, Prague, Czechia
| | - Klára Kosová
- Department of Genetics and Plant Breeding, Crop Research Institute, Prague, Czechia
| | - Jana Musilová
- Department of Genetics and Plant Breeding, Crop Research Institute, Prague, Czechia
| | - Ludmila Holková
- Department of Crop Science, Breeding and Plant Medicine, Faculty of AgriSciences, Mendel University, Brno, Czechia
| | - Pavel Mařík
- Research Centre SELTON, Ltd., Stupice, Czechia
| | - Pavlína Smutná
- Department of Crop Science, Breeding and Plant Medicine, Faculty of AgriSciences, Mendel University, Brno, Czechia
| | - Miroslav Klíma
- Department of Genetics and Plant Breeding, Crop Research Institute, Prague, Czechia
| | - Ilja Tom Prášil
- Department of Genetics and Plant Breeding, Crop Research Institute, Prague, Czechia
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Jha UC, Bohra A, Jha R. Breeding approaches and genomics technologies to increase crop yield under low-temperature stress. PLANT CELL REPORTS 2017; 36:1-35. [PMID: 27878342 DOI: 10.1007/s00299-016-2073-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 11/04/2016] [Indexed: 05/11/2023]
Abstract
Improved knowledge about plant cold stress tolerance offered by modern omics technologies will greatly inform future crop improvement strategies that aim to breed cultivars yielding substantially high under low-temperature conditions. Alarmingly rising temperature extremities present a substantial impediment to the projected target of 70% more food production by 2050. Low-temperature (LT) stress severely constrains crop production worldwide, thereby demanding an urgent yet sustainable solution. Considerable research progress has been achieved on this front. Here, we review the crucial cellular and metabolic alterations in plants that follow LT stress along with the signal transduction and the regulatory network describing the plant cold tolerance. The significance of plant genetic resources to expand the genetic base of breeding programmes with regard to cold tolerance is highlighted. Also, the genetic architecture of cold tolerance trait as elucidated by conventional QTL mapping and genome-wide association mapping is described. Further, global expression profiling techniques including RNA-Seq along with diverse omics platforms are briefly discussed to better understand the underlying mechanism and prioritize the candidate gene (s) for downstream applications. These latest additions to breeders' toolbox hold immense potential to support plant breeding schemes that seek development of LT-tolerant cultivars. High-yielding cultivars endowed with greater cold tolerance are urgently required to sustain the crop yield under conditions severely challenged by low-temperature.
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Affiliation(s)
- Uday Chand Jha
- Indian Institute of Pulses Research, Kanpur, 208024, India.
| | - Abhishek Bohra
- Indian Institute of Pulses Research, Kanpur, 208024, India.
| | - Rintu Jha
- Indian Institute of Pulses Research, Kanpur, 208024, India
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Vítámvás P, Urban MO, Škodáček Z, Kosová K, Pitelková I, Vítámvás J, Renaut J, Prášil IT. Quantitative analysis of proteome extracted from barley crowns grown under different drought conditions. FRONTIERS IN PLANT SCIENCE 2015; 6:479. [PMID: 26175745 PMCID: PMC4485253 DOI: 10.3389/fpls.2015.00479] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 06/15/2015] [Indexed: 05/21/2023]
Abstract
Barley cultivar Amulet was used to study the quantitative proteome changes through different drought conditions utilizing two-dimensional difference gel electrophoresis (2D-DIGE). Plants were cultivated for 10 days under different drought conditions. To obtain control and differentially drought-treated plants, the soil water content was kept at 65, 35, and 30% of soil water capacity (SWC), respectively. Osmotic potential, water saturation deficit, (13)C discrimination, and dehydrin accumulation were monitored during sampling of the crowns for proteome analysis. Analysis of the 2D-DIGE gels revealed 105 differentially abundant spots; most were differentially abundant between the controls and drought-treated plants, and 25 spots displayed changes between both drought conditions. Seventy-six protein spots were successfully identified by tandem mass spectrometry. The most frequent functional categories of the identified proteins can be put into the groups of: stress-associated proteins, amino acid metabolism, carbohydrate metabolism, as well as DNA and RNA regulation and processing. Their possible role in the response of barley to drought stress is discussed. Our study has shown that under drought conditions barley cv. Amulet decreased its growth and developmental rates, displayed a shift from aerobic to anaerobic metabolism, and exhibited increased levels of several protective proteins. Comparison of the two drought treatments revealed plant acclimation to milder drought (35% SWC); but plant damage under more severe drought treatment (30% SWC). The results obtained revealed that cv. Amulet is sensitive to drought stress. Additionally, four spots revealing a continuous and significant increase with decreasing SWC (UDP-glucose 6-dehydrogenase, glutathione peroxidase, and two non-identified) could be good candidates for testing of their protein phenotyping capacity together with proteins that were significantly distinguished in both drought treatments.
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Affiliation(s)
- Pavel Vítámvás
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
- *Correspondence: Pavel Vítámvás, Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic
| | - Milan O. Urban
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
| | - Zbynek Škodáček
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
| | - Klára Kosová
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
| | - Iva Pitelková
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
| | - Jan Vítámvás
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences PraguePrague, Czech Republic
| | - Jenny Renaut
- Department of Environmental Research and Innovation, Luxembourg Institute of Science and TechnologyBelvaux, Luxembourg
| | - Ilja T. Prášil
- Division of Crop Genetics and Breeding, Plant Stress Biology and Biotechnology, Crop Research InstitutePrague, Czech Republic
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15
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Byun YJ, Koo MY, Joo HJ, Ha-Lee YM, Lee DH. Comparative analysis of gene expression under cold acclimation, deacclimation and reacclimation in Arabidopsis. PHYSIOLOGIA PLANTARUM 2014; 152:256-74. [PMID: 24494996 DOI: 10.1111/ppl.12163] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 12/20/2013] [Accepted: 12/27/2013] [Indexed: 05/20/2023]
Abstract
Cold acclimated plants show an elevated tolerance against subsequent cold stress. Such adaptation requires alterations in gene expression as well as physiological changes. We were interested in gene expression changes at the transcriptional level during adaptation processes. The patterns of transcriptional changes associated with cold acclimation, deacclimation and reacclimation in Arabidopsis leaves were characterized using the Coldstresschip. Gene expression profiles were further analyzed by 'coexpressed gene sets' using gene set enrichment analysis (GSEA). Genes involved in signal transduction through calcium, and cascades of kinases and transcription factor genes, were distinctively induced in the early response of cold acclimation. On the other hand, genes involved in antioxidation, cell wall biogenesis and sterol synthesis were upregulated in the late response of cold acclimation. After the removal of cold, the expression patterns of most genes rapidly returned to the original states. However, photosynthetic light-harvesting complex genes and lipid metabolism-related genes stayed upregulated in cold deacclimated plants compared to non-treated plants. It is also notable that many well-known cold-inducible genes are slightly induced in reacclimation and their expression remains at relatively low levels in cold reacclimation compared to the expression during the first cold acclimation. The results in this study show the dynamic nature of gene expression occurring during cold acclimation, deacclimation and reacclimation. Our results suggest that there is a memory of cold stress and that the 'memory of cold stress' is possibly due to elevated photosynthetic efficiency, modified lipid metabolism, increased calcium signaling, pre-existing defense protein made during first cold acclimation and/or modified signal transduction from pre-existing defense protein.
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Affiliation(s)
- Youn-Jung Byun
- Graduate Department of Life and Pharmaceutical Science, Ewha Womans University, Seoul, 120-750, South Korea
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Kosová K, Vítámvás P, Prášil IT. Wheat and barley dehydrins under cold, drought, and salinity - what can LEA-II proteins tell us about plant stress response? FRONTIERS IN PLANT SCIENCE 2014; 5:343. [PMID: 25071816 PMCID: PMC4089117 DOI: 10.3389/fpls.2014.00343] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Accepted: 06/26/2014] [Indexed: 05/18/2023]
Abstract
Dehydrins as a group of late embryogenesis abundant II proteins represent important dehydration-inducible proteins whose accumulation is induced by developmental processes (embryo maturation) as well as by several abiotic stress factors (low temperatures, drought, salinity). In the review, an overview of studies aimed at investigation of dehydrin accumulation patterns at transcript and protein levels as well as their possible functions in common wheat (Triticum aestivum), durum wheat (T. durum), and barley (Hordeum vulgare) plants exposed to various abiotic stress factors (cold, frost, drought, salinity) is provided. Possible roles of dehydrin proteins in an acquisition and maintenance of an enhanced frost tolerance are analyzed in the context of plant developmental processes (vernalization). Quantitative and qualitative differences as well as post-translational modifications in accumulated dehydrin proteins between barley cultivars revealing differential tolerance to drought and salinity are also discussed. Current knowledge on dehydrin role in wheat and barley response to major dehydrative stresses is summarized and the major challenges in dehydrin research are outlined.
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Affiliation(s)
- Klára Kosová
- *Correspondence: Klára Kosová, Plant Stress Biology and Biotechnology, Department of Plant Genetics, Breeding and Product Quality, Crop Research Institute, Drnovská 507, 161 06 Prague 6 – Ruzyně, Czech Republic e-mail:
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17
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Urban MO, Klíma M, Vítámvás P, Vašek J, Hilgert-Delgado AA, Kučera V. Significant relationships among frost tolerance and net photosynthetic rate, water use efficiency and dehydrin accumulation in cold-treated winter oilseed rapes. JOURNAL OF PLANT PHYSIOLOGY 2013; 170:1600-1608. [PMID: 24054752 DOI: 10.1016/j.jplph.2013.07.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 07/12/2013] [Accepted: 07/17/2013] [Indexed: 06/02/2023]
Abstract
Five winter oilseed rape cultivars (Benefit, Californium, Cortes, Ladoga, Navajo) were subjected to 30 days of cold treatment (4 °C) to examine the effect of cold on acquired frost tolerance (FT), dehydrin (DHN) content, and photosynthesis-related parameters. The main aim of this study was to determine whether there are relationships between FT (expressed as LT50 values) and the other parameters measured in the cultivars. While the cultivar Benefit accumulated two types of DHNs (D45 and D35), the other cultivars accumulated three additional DHNs (D97, D47, and D37). The similar-sized DHNs (D45 and D47) were the most abundant; the others exhibited significantly lower accumulations. The highest correlations were detected between LT50 and DHN accumulation (r=-0.815), intrinsic water use efficiency (WUEi; r=-0.643), net photosynthetic rate (r=-0.628), stomatal conductance (r=0.511), and intracellular/intercellular CO2 concentration (r=0.505). Those cultivars that exhibited higher Pn rate in cold (and further a significant increase in WUEi) had higher levels of DHNs and also higher FT. No significant correlation was observed between LT50 and E, PRI, or NDVI. Overall, we have shown the selected physiological parameters to be able to distinguish different FT cultivars of winter oilseed rape.
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Hlaváčková I, Vítámvás P, Šantrůček J, Kosová K, Zelenková S, Prášil IT, Ovesná J, Hynek R, Kodíček M. Proteins involved in distinct phases of cold hardening process in frost resistant winter barley (Hordeum vulgare L.) cv Luxor. Int J Mol Sci 2013; 14:8000-24. [PMID: 23584021 PMCID: PMC3645728 DOI: 10.3390/ijms14048000] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 03/28/2013] [Accepted: 03/29/2013] [Indexed: 11/16/2022] Open
Abstract
Winter barley is an economically important cereal crop grown in higher latitudes and altitudes where low temperatures represent an important environmental constraint limiting crop productivity. In this study changes in proteome of leaves and crowns in a frost tolerant winter barley cv. Luxor in relation to short and long term periods of cold followed by a brief frost treatment were studied in order to disclose proteins responsible for the cold hardening process in distinct plant tissues. The mentioned changes have been monitored using two dimensional difference gel electrophoresis (2D-DIGE) with subsequent peptide-mapping protein identification. Regarding approximately 600–700 distinct protein spots detected on 2D gels, there has been found at least a two-fold change after exposure to low temperatures in about 10% of proteins in leaves and 13% of proteins in crowns. Protein and nitrogen metabolic processes have been influenced by low temperature to a similar extent in both tissues while catabolism, carbohydrate metabolism and proteins involved in stress response have been more affected in crowns than in leaves. The range of changes in protein abundance was generally higher in leaves and chloroplast proteins were frequently affected which suggests a priority to protect photosynthetic apparatus. Overall, our data proved existence of slightly different response strategies to low temperature stress in crowns and leaves, i.e., tissues with different biological role. Moreover, there have been found several proteins with large increase in accumulation, e.g., 33 kDa oxygen evolving protein of photosystem II in leaves and “enhanced disease susceptibility 1” in crowns; these proteins might have potential to indicate an enhanced level of frost tolerance in barley.
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Affiliation(s)
- Iva Hlaváčková
- Department of Biochemistry and Microbiology, Institute of Chemical Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic; E-Mails: (J.Š.); (R.H.); (M.K.)
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic; E-Mails: (P.V.); (K.K.); (I.T.P.); (J.O.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +420-220-444-384; Fax: +420-220-445-167
| | - Pavel Vítámvás
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic; E-Mails: (P.V.); (K.K.); (I.T.P.); (J.O.)
| | - Jiří Šantrůček
- Department of Biochemistry and Microbiology, Institute of Chemical Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic; E-Mails: (J.Š.); (R.H.); (M.K.)
| | - Klára Kosová
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic; E-Mails: (P.V.); (K.K.); (I.T.P.); (J.O.)
| | - Sylva Zelenková
- Department of Plant Experimental Biology, Charles University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic; E-Mail:
| | - Ilja Tom Prášil
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic; E-Mails: (P.V.); (K.K.); (I.T.P.); (J.O.)
| | - Jaroslava Ovesná
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507/73, 161 06 Prague 6, Czech Republic; E-Mails: (P.V.); (K.K.); (I.T.P.); (J.O.)
| | - Radovan Hynek
- Department of Biochemistry and Microbiology, Institute of Chemical Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic; E-Mails: (J.Š.); (R.H.); (M.K.)
| | - Milan Kodíček
- Department of Biochemistry and Microbiology, Institute of Chemical Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic; E-Mails: (J.Š.); (R.H.); (M.K.)
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Pagter M, Arora R. Winter survival and deacclimation of perennials under warming climate: physiological perspectives. PHYSIOLOGIA PLANTARUM 2013; 147:75-87. [PMID: 22583023 DOI: 10.1111/j.1399-3054.2012.01650.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Appropriate timing and rate of cold deacclimation and the ability to reacclimate are important components of winter survival of perennials in temperate and boreal zones. In association with the progressive increase in atmospheric CO₂, temperate and boreal winters are becoming progressively milder, and temperature patterns are becoming irregular with increasing risk of unseasonable warm spells during the colder periods of plants' annual cycle. Because deacclimation is mainly driven by temperature, these changes pose a risk for untimely/premature deacclimation, thereby rendering plant tissue vulnerable to freeze-injury by a subsequent frost. Research also indicates that elevated CO₂ may directly impact deacclimation. Hence, understanding the underlying cellular mechanisms of how deacclimation and reacclimation capacity are affected by changes in environmental conditions is important to ensure winter survival and the sustainability of plant sources under changing climate. Relative to cold acclimation, deacclimation is a little studied process, but the limited evidence points to specific changes occurring in the transcriptome and proteome during deacclimation. Loss of freezing tolerance is additionally associated with substantial changes in cell/tissue-water relations and carbohydrate metabolism; the latter also impacted by temperature-driven, altered respiratory metabolism. This review summarizes recent progress in understanding the physiological mechanisms of deacclimation and how they may be impacted by climate change.
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Affiliation(s)
- Majken Pagter
- Department of Food Science, Aarhus University, Aarslev, Denmark.
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Vítámvás P, Prášil IT, Kosová K, Planchon S, Renaut J. Analysis of proteome and frost tolerance in chromosome 5A and 5B reciprocal substitution lines between two winter wheats during long-term cold acclimation. Proteomics 2011; 12:68-85. [DOI: 10.1002/pmic.201000779] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 09/27/2011] [Accepted: 10/17/2011] [Indexed: 12/30/2022]
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21
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Kosová K, Vítámvás P, Prášil IT, Renaut J. Plant proteome changes under abiotic stress — Contribution of proteomics studies to understanding plant stress response. J Proteomics 2011; 74:1301-22. [DOI: 10.1016/j.jprot.2011.02.006] [Citation(s) in RCA: 567] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Revised: 02/01/2011] [Accepted: 02/02/2011] [Indexed: 01/01/2023]
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22
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Kosová K, Vítámvás P, Prášil IT. Expression of dehydrins in wheat and barley under different temperatures. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2011; 180:46-52. [PMID: 21421346 DOI: 10.1016/j.plantsci.2010.07.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Revised: 06/15/2010] [Accepted: 07/05/2010] [Indexed: 05/11/2023]
Abstract
The review summarizes recent knowledge on the expression of cold-inducible dehydrins with a special attention to Wcs120 and Dhn5 genes in wheat and barley plants under different temperatures. When plants are exposed to cold, dehydrins start accumulating both in freezing-tolerant and freezing-susceptible plants; however, their accumulation correlates with plant acquired frost tolerance (FT). During a long-term cold acclimation (CA), dehydrin accumulation is significantly affected by Vrn1/Fr1 locus and the expression of the major vernalization gene VRN1, respectively. A different dynamics of dehydrin transcripts and proteins during CA is also observed. Transcripts reach their maximum within the first week of CA while proteins gradually accumulate until vernalization. Vernalization is associated with a significant decrease in dehydrin accumulation while the decrease of acquired FT is delayed. Studies carried out on plants grown at moderately cold temperatures (9-20 °C) have shown that both dehydrin transcripts and proteins can be detected even at these temperatures and that plants with different FT levels can be distinguished according to dehydrin accumulation without any exposure to severe cold. In conclusion, the potential use of these results in the breeding programmes aimed at the enhancement of wheat and barley FT is discussed.
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Affiliation(s)
- Klára Kosová
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská Street 507, Prague 6-Ruzyně, 161 06 Prague, Czech Republic.
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Vítámvás P, Kosová K, Prášilová P, Prášil IT. Accumulation of WCS120 protein in wheat cultivars grown at 9°C or 17°C in relation to their winter survival. PLANT BREEDING 2010; 129:611-616. [PMID: 0 DOI: 10.1111/j.1439-0523.2010.01783.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
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Winfield MO, Lu C, Wilson ID, Coghill JA, Edwards KJ. Plant responses to cold: Transcriptome analysis of wheat. PLANT BIOTECHNOLOGY JOURNAL 2010; 8:749-71. [PMID: 20561247 DOI: 10.1111/j.1467-7652.2010.00536.x] [Citation(s) in RCA: 158] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Temperature and light are important environmental stimuli that have a profound influence on the growth and development of plants. Wheat varieties can be divided on the basis of whether they require an extended period of cold to flower (vernalization). Varieties that have a requirement for vernalization also tend to be winter hardy and are able to withstand quite extreme subzero temperatures. This capacity, however, is not constitutive and plants require a period of exposure to low, non-freezing temperatures to acquire freezing tolerance: this process is referred to as cold acclimation. Cold acclimation and the acquisition of freezing tolerance require the orchestration of many different, seemingly disparate physiological and biochemical changes. These changes are, at least in part, mediated through the differential expression of many genes. Some of these genes code for effector molecules that participate directly to alleviate stress. Others code for proteins involved in signal transduction or transcription factors that control the expression of further banks of genes. In this review, we provide an overview of some of the main features of cold acclimation with particular focus on transcriptome reprogramming. In doing so, we highlight some of the important differences between cold-hardy and cold-sensitive varieties. An understanding of these processes is of great potential importance because cold and freezing stress are major limiting factors for growing crop plants and periodically account for significant losses in plant productivity.
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Affiliation(s)
- Mark O Winfield
- School of Biological Sciences, University of Bristol, Bristol, UK.
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Kosová K, Tom Prásil I, Prásilová P, Vítámvás P, Chrpová J. The development of frost tolerance and DHN5 protein accumulation in barley (Hordeum vulgare) doubled haploid lines derived from Atlas 68 x Igri cross during cold acclimation. JOURNAL OF PLANT PHYSIOLOGY 2010; 167:343-50. [PMID: 19962784 DOI: 10.1016/j.jplph.2009.09.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2009] [Revised: 08/20/2009] [Accepted: 09/19/2009] [Indexed: 05/23/2023]
Abstract
The dynamics of a long-term cold acclimation (CA) was studied in spring barley cultivar Atlas 68, winter barley cultivar Igri and a set of doubled haploid (DH) lines derived from an Atlas 68xIgri cross. The aim was to evaluate the effect of plant development on the ability to induce frost tolerance (FT) and to accumulate dehydrin 5 (DHN5) during CA. The plant developmental stage was evaluated by phenological development of the shoot apex and by determination of days to heading after a certain period of CA. FT was determined by direct frost tests. Plant winter survival was also determined. DHN5 was evaluated by densitometric analysis of protein gel blots. Cold led to the induction of increased FT and to the accumulation of DHN5 in both spring and winter lines. However, with the progression of CA, differences between the growth habits occurred as the winter lines were able to maintain increased FT and DHN5 levels for a significantly longer period of time than the spring lines. After vegetative/reproductive transition, a significant decrease in DHN5 accumulation was found in all lines; however, a discrepancy between the acquired FT level and DHN5 accumulation in vernalized winter barley plants was found. A correlation between DHN5 accumulation and plant winter survival was found when the studied lines were differentiated according to their developmental stage and DHN5 level. Possible explanations for these phenomena are provided.
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Affiliation(s)
- Klára Kosová
- Department of Genetics and Plant Breeding, Crop Research Institute, Drnovská 507, 161 06 Prague 6, Ruzyne, Czech Republic.
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