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Kopecká R, Kameniarová M, Černý M, Brzobohatý B, Novák J. Abiotic Stress in Crop Production. Int J Mol Sci 2023; 24:ijms24076603. [PMID: 37047573 PMCID: PMC10095105 DOI: 10.3390/ijms24076603] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/05/2023] Open
Abstract
The vast majority of agricultural land undergoes abiotic stress that can significantly reduce agricultural yields. Understanding the mechanisms of plant defenses against stresses and putting this knowledge into practice is, therefore, an integral part of sustainable agriculture. In this review, we focus on current findings in plant resistance to four cardinal abiotic stressors—drought, heat, salinity, and low temperatures. Apart from the description of the newly discovered mechanisms of signaling and resistance to abiotic stress, this review also focuses on the importance of primary and secondary metabolites, including carbohydrates, amino acids, phenolics, and phytohormones. A meta-analysis of transcriptomic studies concerning the model plant Arabidopsis demonstrates the long-observed phenomenon that abiotic stressors induce different signals and effects at the level of gene expression, but genes whose regulation is similar under most stressors can still be traced. The analysis further reveals the transcriptional modulation of Golgi-targeted proteins in response to heat stress. Our analysis also highlights several genes that are similarly regulated under all stress conditions. These genes support the central role of phytohormones in the abiotic stress response, and the importance of some of these in plant resistance has not yet been studied. Finally, this review provides information about the response to abiotic stress in major European crop plants—wheat, sugar beet, maize, potatoes, barley, sunflowers, grapes, rapeseed, tomatoes, and apples.
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Affiliation(s)
- Romana Kopecká
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300 Brno, Czech Republic
| | - Michaela Kameniarová
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300 Brno, Czech Republic
| | - Martin Černý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300 Brno, Czech Republic
| | - Břetislav Brzobohatý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300 Brno, Czech Republic
| | - Jan Novák
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 61300 Brno, Czech Republic
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Das A, Dedon N, Enders DJ, Fjellheim S, Preston JC. Testing the chilling- before drought-tolerance hypothesis in Pooideae grasses. Mol Ecol 2023; 32:772-785. [PMID: 36420966 PMCID: PMC10107940 DOI: 10.1111/mec.16794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 11/16/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Temperate Pooideae are a large clade of economically important grasses distributed in some of the Earth's coldest and driest terrestrial environments. Previous studies have inferred that Pooideae diversified from their tropical ancestors in a cold montane habitat, suggesting that above-freezing cold (chilling) tolerance evolved early in the subfamily. By contrast, drought tolerance is hypothesized to have evolved multiple times independently in response to global aridification that occurred after the split of Pooideae tribes. To independently test predictions of the chilling-before-drought hypothesis in Pooideae, we assessed conservation of whole plant and gene expression traits in response to chilling vs. drought. We demonstrated that both trait responses are more similar across tribes in cold as compared to drought, suggesting that chilling responses evolved before, and drought responses after, tribe diversification. Moreover, we found significantly more overlap between drought and chilling responsive genes within a species than between drought responsive genes across species, providing evidence that chilling tolerance genes acted as precursors for the novel acquisition of increased drought tolerance multiple times independently, partially through the cooption of chilling responsive genes.
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Affiliation(s)
- Aayudh Das
- Department of Plant Biology, The University of Vermont, Burlington, Vermont, USA
| | - Natalie Dedon
- Department of Plant Biology, The University of Vermont, Burlington, Vermont, USA
| | - Daniel J Enders
- Department of Plant Biology, The University of Vermont, Burlington, Vermont, USA
| | - Siri Fjellheim
- Department of Plant Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Ås, Norway
| | - Jill C Preston
- Department of Plant Biology, The University of Vermont, Burlington, Vermont, USA
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Cheng R, Cheng L, Zhao Y, Wang L, Wang S, Zhang J. Biosynthesis and prebiotic activity of a linear levan from a new Paenibacillus isolate. Appl Microbiol Biotechnol 2021; 105:769-787. [PMID: 33404835 DOI: 10.1007/s00253-020-11088-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 12/16/2020] [Accepted: 12/28/2020] [Indexed: 02/08/2023]
Abstract
Levan, a type of β (2→6)-linked fructan, is a promising biopolymer with distinct properties and extensive applications in the fields of food, pharmaceutical, cosmetics, etc. However, the commercial availability of levan is still limited due to the relatively high production costs. Here, a new Paenibacillus sp. strain FP01 was isolated and identified as an efficient fructan producer with high yield (around 89.5 g/L fructan was obtained under 180 g/L sucrose) and conversation rate (49.7%). The fructan named Plev was structurally characterized as a linear levan-type fructan with a molecular mass of 3.11 × 106 Da. Aqueous solutions of Plev exhibited a non-Newtonian behavior at concentrations 3-5%. Heating and chilling had no obvious effects on apparent viscosities of Plev solutions. Plev also had good rheological stabilities toward pH (3-11) and metal salts (Na+, K+, Ca2+, Mg2+). Microbiome and metabolome analysis showed that Plev intervention increased the abundance of beneficial bacteria and elevated the levels of short-chain fatty acids (SCFAs) in feces of mice. Taken together, Plev could be considered a potential thickener and prebiotic supplement in food industry.Key points• Paenibacillus sp. strain FP01 was identified as a high-efficient levan producer.• The levan Plev from FP01 exhibited good rheological properties and stabilities.• The in vivo prebiotic activities of linear levan were revealed.
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Affiliation(s)
- Rui Cheng
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China
| | - Long Cheng
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China
| | - Yang Zhao
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China
| | - Lei Wang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China
| | - Shiming Wang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China
| | - Jianfa Zhang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China.
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Li M, He X, Hao D, Wu J, Zhao J, Yang Q, Chen X. 6-SFT, a Protein from Leymus mollis, Positively Regulates Salinity Tolerance and Enhances Fructan Levels in Arabidopsis thaliana. Int J Mol Sci 2019; 20:E2691. [PMID: 31159261 PMCID: PMC6600527 DOI: 10.3390/ijms20112691] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 05/16/2019] [Accepted: 05/28/2019] [Indexed: 11/26/2022] Open
Abstract
Fructans play vital roles in abiotic stress tolerance in plants. In this study, we isolated the sucrose:6-fructosyltransferase gene, which is involved in the synthesis of fructans, from Leymus mollis by rapid amplification of cDNA ends. The Lm-6-SFT gene was introduced into Arabidopsis thaliana cv. Columbia by Agrobacterium-mediated transformation. The transgenic plants were evaluated under salt stress conditions. The results showed that the expression of Lm-6-SFT was significantly induced by light, abscisic acid (ABA), salicylic acid (SA), and salt treatment in L. mollis plants. Overexpression of Lm-6-SFT in Arabidopsis promoted seed germination and primary root growth during the early vegetative growth stage under salt stress. We also found that the transgenic plants expressing Lm-6-SFT had increased proline and fructan levels. β-Glucuronidase staining and promoter analysis indicated that the promoter of Lm-6-SFT was regulated by light, ABA, and salt stress. Quantitative PCR suggested that overexpression of Lm-6-SFT could improve salt tolerance by interacting with the expression of some salt stress tolerance genes. Thus, we demonstrated that the Lm-6-SFT gene is a candidate gene that potentially confers salt stress tolerance to plants. Our study will aid the elucidation of the regulatory mechanism of 6-SFT genes in herb plants.
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Affiliation(s)
- Mao Li
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Xiaolan He
- College of Environment and Life Science, Kaili University, Kaili 556011, GuiZhou, China.
| | - Dongdong Hao
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Jun Wu
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Jixin Zhao
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Qunhui Yang
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Xinhong Chen
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China.
- Shaanxi Key Laboratory of Genetic Engineering for Plant Breeding, China.
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Versluys M, Kirtel O, Toksoy Öner E, Van den Ende W. The fructan syndrome: Evolutionary aspects and common themes among plants and microbes. PLANT, CELL & ENVIRONMENT 2018; 41:16-38. [PMID: 28925070 DOI: 10.1111/pce.13070] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 08/30/2017] [Accepted: 09/09/2017] [Indexed: 05/13/2023]
Abstract
Fructans are multifunctional fructose-based water soluble carbohydrates found in all biological kingdoms but not in animals. Most research has focused on plant and microbial fructans and has received a growing interest because of their practical applications. Nevertheless, the origin of fructan production, the so-called "fructan syndrome," is still unknown. Why fructans only occur in a limited number of plant and microbial species remains unclear. In this review, we provide an overview of plant and microbial fructan research with a focus on fructans as an adaptation to the environment and their role in (a)biotic stress tolerance. The taxonomical and biogeographical distribution of fructans in both kingdoms is discussed and linked (where possible) to environmental factors. Overall, the fructan syndrome may be related to water scarcity and differences in physicochemical properties, for instance, water retaining characteristics, at least partially explain why different fructan types with different branching levels are found in different species. Although a close correlation between environmental stresses and fructan production is quite clear in plants, this link seems to be missing in microbes. We hypothesize that this can be at least partially explained by differential evolutionary timeframes for plants and microbes, combined with potential redundancy effects.
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Affiliation(s)
- Maxime Versluys
- Laboratory of Molecular Plant Biology, KU Leuven, Leuven, Belgium
| | - Onur Kirtel
- Industrial Biotechnology and Systems Biology Research Group, Bioengineering Department, Marmara University, Istanbul, 34722, Turkey
| | - Ebru Toksoy Öner
- Industrial Biotechnology and Systems Biology Research Group, Bioengineering Department, Marmara University, Istanbul, 34722, Turkey
| | - Wim Van den Ende
- Laboratory of Molecular Plant Biology, KU Leuven, Leuven, Belgium
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Singer SD, Weselake RJ, Acharya S. Molecular Enhancement of Alfalfa: Improving Quality Traits for Superior Livestock Performance and Reduced Environmental Impact. CROP SCIENCE 2018; 58:55-71. [PMID: 0 DOI: 10.2135/cropsci2017.07.0434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Affiliation(s)
- Stacy D. Singer
- Agriculture and Agri-Food Canada; Lethbridge Research and Development Centre; Lethbridge AB Canada T1J 4B1
| | - Randall J. Weselake
- Dep. of Agricultural, Food and Nutritional Science; Univ. of Alberta; Edmonton AB Canada T6G 2P5
| | - Surya Acharya
- Agriculture and Agri-Food Canada; Lethbridge Research and Development Centre; Lethbridge AB Canada T1J 4B1
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Visnapuu T, Mardo K, Alamäe T. Levansucrases of a Pseudomonas syringae pathovar as catalysts for the synthesis of potentially prebiotic oligo- and polysaccharides. N Biotechnol 2015; 32:597-605. [DOI: 10.1016/j.nbt.2015.01.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Revised: 01/16/2015] [Accepted: 01/18/2015] [Indexed: 10/24/2022]
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He X, Chen Z, Wang J, Li W, Zhao J, Wu J, Wang Z, Chen X. A sucrose:fructan-6-fructosyltransferase (6-SFT) gene from Psathyrostachys huashanica confers abiotic stress tolerance in tobacco. Gene 2015; 570:239-47. [PMID: 26072162 DOI: 10.1016/j.gene.2015.06.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 06/06/2015] [Accepted: 06/08/2015] [Indexed: 10/23/2022]
Abstract
Fructans are accessible carbohydrate reserves in various plant species, which possess many physiological functions including anti-oxidation, stabilizing subcellular structures, and osmotic adjustment. In addition, fructans may play important roles in stress tolerance in plant species. In this study, we isolated a Psathyrostachys huashanica (2n=2x=14, NsNs) sucrose:fructan-6-fructosyltransferase (Ph-6-SFT) using homologous cloning and genomic walking. Sequencing and gene structure analysis showed that Ph-6-SFT contains four exons and three introns, with a transcript of 2207 bp. Sequence analysis indicated that the coding sequence of Ph-6-SFT is 1851 bp long and it encodes 616 amino acids, where the structure shares high similarity with 6-SFTs from other plants. Furthermore, Ph-6-SFT was transferred into tobacco (Nicotiana tabacum L.) cv. W38 via Agrobacterium-mediated transformation. Compared with the wild-type plants, the transgenic tobacco plants exhibited a much higher tolerance of drought, cold, and high salinity. In all conditions, physiological studies showed that the tolerance of transgenic plants was associated with the accumulation of carbohydrate and proline, but reductions in malondialdehyde. Our results suggest that the 6-SFT gene from P. huashanica enhanced stress tolerance in tobacco plants and it may be applied as a genetic tool for improving stress tolerance in other crops.
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Affiliation(s)
- Xiaolan He
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China; Shaanxi Key Laboratory of Genetic Engineering for Plant Breeding, China
| | - Zhenzhen Chen
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jianwei Wang
- College of Environment and Life Science, Kaili University, Kaili 556011, GuiZhou, China
| | - Wenxu Li
- Institute for Wheat Research, Henan Academy of Agricultural Sciences, Zhengzhou 450002, Henan, China
| | - Jixin Zhao
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jun Wu
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Zhonghua Wang
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinhong Chen
- College of Agronomy, Northwest A&F University, Yangling 712100, Shaanxi, China; Shaanxi Key Laboratory of Genetic Engineering for Plant Breeding, China.
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Bocian A, Zwierzykowski Z, Rapacz M, Koczyk G, Ciesiołka D, Kosmala A. Metabolite profiling during cold acclimation of Lolium perenne genotypes distinct in the level of frost tolerance. J Appl Genet 2015; 56:439-449. [PMID: 26025228 DOI: 10.1007/s13353-015-0293-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 04/27/2015] [Accepted: 05/15/2015] [Indexed: 11/28/2022]
Abstract
Abiotic stresses, including low temperature, can significantly reduce plant yielding. The knowledge on the molecular basis of stress tolerance could help to improve its level in species of relatively high importance to agriculture. Unfortunately, the complex research performed so far mainly on model species and also, to some extent, on cereals does not fully cover the demands of other agricultural plants of temperate climate, including forage grasses. Two Lolium perenne (perennial ryegrass) genotypes with contrasting levels of frost tolerance, the high frost tolerant (HFT) and the low frost tolerant (LFT) genotypes, were selected for comparative metabolomic research. The work focused on the analysis of leaf metabolite accumulation before and after seven separate time points of cold acclimation. Gas chromatography-mass spectrometry (GC/MS) was used to identify amino acids (alanine, proline, glycine, glutamic and aspartic acid, serine, lysine and asparagine), carbohydrates (fructose, glucose, sucrose, raffinose and trehalose) and their derivatives (mannitol, sorbitol and inositol) accumulated in leaves in low temperature. The observed differences in the level of frost tolerance between the analysed genotypes could be partially due to the time point of cold acclimation at which the accumulation level of crucial metabolite started to increase. In the HFT genotype, earlier accumulation was observed for proline and asparagine. The increased amounts of alanine, glutamic and aspartic acids, and asparagine during cold acclimation could be involved in the regulation of photosynthesis intensity in L. perenne. Among the analysed carbohydrates, only raffinose revealed a significant association with the acclimation process in this species.
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Affiliation(s)
- Aleksandra Bocian
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479, Poznan, Poland.,Department of Biochemistry and Biotechnology, Rzeszow University of Technology, Powstancow Warszawy 6, 35-959, Rzeszow, Poland
| | - Zbigniew Zwierzykowski
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479, Poznan, Poland
| | - Marcin Rapacz
- Department of Plant Physiology, University of Agriculture in Krakow, Podluzna 3, 30-239, Cracow, Poland
| | - Grzegorz Koczyk
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479, Poznan, Poland
| | - Danuta Ciesiołka
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704, Poznan, Poland
| | - Arkadiusz Kosmala
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479, Poznan, Poland.
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Adamberg S, Tomson K, Vija H, Puurand M, Kabanova N, Visnapuu T, Jõgi E, Alamäe T, Adamberg K. Degradation of Fructans and Production of Propionic Acid by Bacteroides thetaiotaomicron are Enhanced by the Shortage of Amino Acids. Front Nutr 2014; 1:21. [PMID: 25988123 PMCID: PMC4428435 DOI: 10.3389/fnut.2014.00021] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 11/19/2014] [Indexed: 12/23/2022] Open
Abstract
Bacteroides thetaiotaomicron is commonly found in the human colon and stabilizes its ecosystem by catabolism of various polysaccharides. A model of cross-talk between the metabolism of amino acids and fructans in B. thetaiotaomicron was proposed. The growth of B. thetaiotaomicron DSM 2079 in two defined media containing mineral salts and vitamins, and supplemented with either 20 or 2 amino acids, was studied in an isothermal microcalorimeter. The polyfructans inulin (from chicory) and levan (synthesized using levansucrase from Pseudomonas syringae), two fructooligosaccharide preparations with different composition, sucrose and fructose were tested as substrates. The calorimetric power-time curves were substrate specific and typically multiauxic. A surplus of amino acids reduced the consumption of longer oligosaccharides (degree of polymerization > 3). Bacterial growth was not detected either in the carbohydrate free medium containing amino acids or in the medium with inulin as a sole carbohydrate. In amino acid-restricted medium, fermentation leading to acetic acid formation was dominant at the beginning of growth (up to 24 h), followed by increased lactic acid production, and mainly propionic and succinic acids were produced at the end of fermentation. In the medium supplemented with 20 amino acids, the highest production of d-lactate (82 ± 33 mmol/gDW) occurred in parallel with extensive consumption (up to 17 mmol/gDW) of amino acids, especially Ser, Thr, and Asp. The production of Ala and Glu was observed at growth on all substrates, and the production was enhanced under amino acid deficiency. The study revealed the influence of amino acids on fructan metabolism in B. thetaiotaomicron and showed that defined growth media are invaluable in elucidating quantitative metabolic profiles of the bacteria. Levan was shown to act as an easily degradable substrate for B. thetaiotaomicron. The effect of levan on balancing or modifying colon microbiota will be studied in further experiments.
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Affiliation(s)
| | - Katrin Tomson
- Competence Center of Food and Fermentation Technologies , Tallinn , Estonia
| | - Heiki Vija
- National Institute of Chemical Physics and Biophysics , Tallinn , Estonia
| | - Marju Puurand
- Tallinn University of Technology , Tallinn , Estonia
| | - Natalja Kabanova
- Competence Center of Food and Fermentation Technologies , Tallinn , Estonia
| | - Triinu Visnapuu
- Department of Genetics, Institute of Molecular and Cell Biology, University of Tartu , Tartu , Estonia
| | - Eerik Jõgi
- Department of Genetics, Institute of Molecular and Cell Biology, University of Tartu , Tartu , Estonia
| | - Tiina Alamäe
- Department of Genetics, Institute of Molecular and Cell Biology, University of Tartu , Tartu , Estonia
| | - Kaarel Adamberg
- Tallinn University of Technology , Tallinn , Estonia ; Competence Center of Food and Fermentation Technologies , Tallinn , Estonia
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Matsuhira H, Tamura KI, Tamagake H, Sato Y, Anzai H, Yoshida M. High production of plant type levan in sugar beet transformed with timothy (Phleum pratense) 6-SFT genes. J Biotechnol 2014; 192 Pt A:215-22. [DOI: 10.1016/j.jbiotec.2014.09.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Revised: 09/26/2014] [Accepted: 09/30/2014] [Indexed: 10/24/2022]
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Rapacz M, Ergon A, Höglind M, Jørgensen M, Jurczyk B, Ostrem L, Rognli OA, Tronsmo AM. Overwintering of herbaceous plants in a changing climate. Still more questions than answers. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2014; 225:34-44. [PMID: 25017157 DOI: 10.1016/j.plantsci.2014.05.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 05/13/2014] [Accepted: 05/15/2014] [Indexed: 05/28/2023]
Abstract
The increase in surface temperature of the Earth indicates a lower risk of exposure for temperate grassland and crop to extremely low temperatures. However, the risk of low winter survival rate, especially in higher latitudes may not be smaller, due to complex interactions among different environmental factors. For example, the frequency, degree and length of extreme winter warming events, leading to snowmelt during winter increased, affecting the risks of anoxia, ice encasement and freezing of plants not covered with snow. Future climate projections suggest that cold acclimation will occur later in autumn, under shorter photoperiod and lower light intensity, which may affect the energy partitioning between the elongation growth, accumulation of organic reserves and cold acclimation. Rising CO2 levels may also disturb the cold acclimation process. Predicting problems with winter pathogens is also very complex, because climate change may greatly influence the pathogen population and because the plant resistance to these pathogens is increased by cold acclimation. All these factors, often with contradictory effects on winter survival, make plant overwintering viability under future climates an open question. Close cooperation between climatologists, ecologists, plant physiologists, geneticists and plant breeders is strongly required to predict and prevent possible problems.
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Affiliation(s)
- Marcin Rapacz
- University of Agriculture in Kraków, Faculty of Agriculture and Economics, Department of Plant Physiology, ul. Podłużna 3, 30-239 Kraków, Poland.
| | - Ashild Ergon
- Norwegian University of Life Sciences, Department of Plant Sciences, Box 5003, N-1432 Ås, Norway
| | - Mats Höglind
- Bioforsk - Norwegian Institute for Agricultural and Environmental Research, Særheim, Postvegen 213, 4353 Klepp, Norway
| | - Marit Jørgensen
- Bioforsk - Norwegian Institute for Agricultural and Environmental Research, Holt, Postboks 2284, 9269 Tromsø, Norway
| | - Barbara Jurczyk
- University of Agriculture in Kraków, Faculty of Agriculture and Economics, Department of Plant Physiology, ul. Podłużna 3, 30-239 Kraków, Poland
| | - Liv Ostrem
- Bioforsk - Norwegian Institute for Agricultural and Environmental Research, Fureneset, 6967 Hellevik i Fjaler, Norway
| | - Odd Arne Rognli
- Norwegian University of Life Sciences, Department of Plant Sciences, Box 5003, N-1432 Ås, Norway
| | - Anne Marte Tronsmo
- Norwegian University of Life Sciences, Department of Plant Sciences, Box 5003, N-1432 Ås, Norway
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