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Blázquez MA. Polyamines: Their Role in Plant Development and Stress. ANNUAL REVIEW OF PLANT BIOLOGY 2024; 75:95-117. [PMID: 38382905 DOI: 10.1146/annurev-arplant-070623-110056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
This review focuses on the intricate relationship between plant polyamines and the genetic circuits and signaling pathways that regulate various developmental programs and the defense responses of plants when faced with biotic and abiotic aggressions. Particular emphasis is placed on genetic evidence supporting the involvement of polyamines in specific processes, such as the pivotal role of thermospermine in regulating xylem cell differentiation and the significant contribution of polyamine metabolism in enhancing plant resilience to drought. Based on the numerous studies describing effects of the manipulation of plant polyamine levels, two conceptually different mechanisms for polyamine activity are discussed: direct participation of polyamines in translational regulation and the indirect production of hydrogen peroxide as a defensive mechanism against pathogens. By describing the multifaceted functions of polyamines, this review underscores the profound significance of these compounds in enabling plants to adapt and thrive in challenging environments.
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Affiliation(s)
- Miguel A Blázquez
- Instituto de Biología Molecular y Celular de Plantas, Consejo Superior de Investigaciones Científicas-Universitat Politècnica de València, Valencia, Spain;
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John A, Krämer M, Lehmann M, Kunz HH, Aarabi F, Alseekh S, Fernie A, Sommer F, Schroda M, Zimmer D, Mühlhaus T, Peisker H, Gutbrod K, Dörmann P, Neunzig J, Philippar K, Neuhaus HE. Degradation of FATTY ACID EXPORT PROTEIN1 by RHOMBOID-LIKE PROTEASE11 contributes to cold tolerance in Arabidopsis. THE PLANT CELL 2024; 36:1937-1962. [PMID: 38242838 PMCID: PMC11062452 DOI: 10.1093/plcell/koae011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/21/2024]
Abstract
Plants need to acclimate to different stresses to optimize growth under unfavorable conditions. In Arabidopsis (Arabidopsis thaliana), the abundance of the chloroplast envelope protein FATTY ACID EXPORT PROTEIN1 (FAX1) decreases after the onset of low temperatures. However, how FAX1 degradation occurs and whether altered FAX1 abundance contributes to cold tolerance in plants remains unclear. The rapid cold-induced increase in RHOMBOID-LIKE PROTEASE11 (RBL11) transcript levels, the physical interaction of RBL11 with FAX1, the specific FAX1 degradation after RBL11 expression, and the absence of cold-induced FAX1 degradation in rbl11 loss-of-function mutants suggest that this enzyme is responsible for FAX1 degradation. Proteomic analyses showed that rbl11 mutants have higher levels of FAX1 and other proteins involved in membrane lipid homeostasis, suggesting that RBL11 is a key element in the remodeling of membrane properties during cold conditions. Consequently, in the cold, rbl11 mutants show a shift in lipid biosynthesis toward the eukaryotic pathway, which coincides with impaired cold tolerance. To test whether cold sensitivity is due to increased FAX1 levels, we analyzed FAX1 overexpressors. The rbl11 mutants and FAX1 overexpressor lines show superimposable phenotypic defects upon exposure to cold temperatures. Our re-sults show that the cold-induced degradation of FAX1 by RBL11 is critical for Arabidop-sis to survive cold and freezing periods.
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Affiliation(s)
- Annalisa John
- Plant Physiology, University of Kaiserslautern, Kaiserslautern D-67653, Germany
| | - Moritz Krämer
- Plant Biochemistry, Faculty of Biology, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried 82152, Germany
| | - Martin Lehmann
- Plant Biochemistry, Faculty of Biology, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried 82152, Germany
| | - Hans-Henning Kunz
- Plant Biochemistry, Faculty of Biology, Ludwig-Maximilians-Universität Munich, Planegg-Martinsried 82152, Germany
| | - Fayezeh Aarabi
- Max Planck Institut for Molecular Plant Physiology, Central Metabolism, Potsdam D-14476, Germany
| | - Saleh Alseekh
- Max Planck Institut for Molecular Plant Physiology, Central Metabolism, Potsdam D-14476, Germany
| | - Alisdair Fernie
- Max Planck Institut for Molecular Plant Physiology, Central Metabolism, Potsdam D-14476, Germany
| | - Frederik Sommer
- Molecular Biotechnology and Systems Biology, University of Kaiserslautern, Kaiserslautern D-67653, Germany
| | - Michael Schroda
- Molecular Biotechnology and Systems Biology, University of Kaiserslautern, Kaiserslautern D-67653, Germany
| | - David Zimmer
- Computational Systems Biology, University of Kaiserslautern, Kaiserslautern D-67653, Germany
| | - Timo Mühlhaus
- Computational Systems Biology, University of Kaiserslautern, Kaiserslautern D-67653, Germany
| | - Helga Peisker
- Institute for Molecular Physiology and Biotechnology of Plants, IMBIO, University of Bonn, Bonn D-53115, Germany
| | - Katharina Gutbrod
- Institute for Molecular Physiology and Biotechnology of Plants, IMBIO, University of Bonn, Bonn D-53115, Germany
| | - Peter Dörmann
- Institute for Molecular Physiology and Biotechnology of Plants, IMBIO, University of Bonn, Bonn D-53115, Germany
| | - Jens Neunzig
- Plant Biology, Center for Human and Molecular Biology (ZHMB), Saarland University, Saarbrücken D-66123, Germany
| | - Katrin Philippar
- Plant Biology, Center for Human and Molecular Biology (ZHMB), Saarland University, Saarbrücken D-66123, Germany
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Napieraj N, Janicka M, Reda M. Interactions of Polyamines and Phytohormones in Plant Response to Abiotic Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:1159. [PMID: 36904019 PMCID: PMC10005635 DOI: 10.3390/plants12051159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Numerous environmental conditions negatively affect plant production. Abiotic stresses, such as salinity, drought, temperature, and heavy metals, cause damage at the physiological, biochemical, and molecular level, and limit plant growth, development, and survival. Studies have indicated that small amine compounds, polyamines (PAs), play a key role in plant tolerance to various abiotic stresses. Pharmacological and molecular studies, as well as research using genetic and transgenic approaches, have revealed the favorable effects of PAs on growth, ion homeostasis, water maintenance, photosynthesis, reactive oxygen species (ROS) accumulation, and antioxidant systems in many plant species under abiotic stress. PAs display a multitrack action: regulating the expression of stress response genes and the activity of ion channels; improving the stability of membranes, DNA, and other biomolecules; and interacting with signaling molecules and plant hormones. In recent years the number of reports indicating crosstalk between PAs and phytohormones in plant response to abiotic stresses has increased. Interestingly, some plant hormones, previously known as plant growth regulators, can also participate in plant response to abiotic stresses. Therefore, the main goal of this review is to summarize the most significant results that represent the interactions between PAs and plant hormones, such as abscisic acid, brassinosteroids, ethylene, jasmonates, and gibberellins, in plants under abiotic stress. The future perspectives for research focusing on the crosstalk between PAs and plant hormones were also discussed.
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Affiliation(s)
| | | | - Małgorzata Reda
- Department of Plant Molecular Physiology, Faculty of Biological Sciences, University of Wrocław, Kanonia 6/8, 50-328 Wroclaw, Poland
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Singh P, Choudhary KK, Chaudhary N, Gupta S, Sahu M, Tejaswini B, Sarkar S. Salt stress resilience in plants mediated through osmolyte accumulation and its crosstalk mechanism with phytohormones. FRONTIERS IN PLANT SCIENCE 2022; 13:1006617. [PMID: 36237504 PMCID: PMC9552866 DOI: 10.3389/fpls.2022.1006617] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/24/2022] [Indexed: 06/01/2023]
Abstract
Salinity stress is one of the significant abiotic stresses that influence critical metabolic processes in the plant. Salinity stress limits plant growth and development by adversely affecting various physiological and biochemical processes. Enhanced generation of reactive oxygen species (ROS) induced via salinity stress subsequently alters macromolecules such as lipids, proteins, and nucleic acids, and thus constrains crop productivity. Due to which, a decreasing trend in cultivable land and a rising world population raises a question of global food security. In response to salt stress signals, plants adapt defensive mechanisms by orchestrating the synthesis, signaling, and regulation of various osmolytes and phytohormones. Under salinity stress, osmolytes have been investigated to stabilize the osmotic differences between the surrounding of cells and cytosol. They also help in the regulation of protein folding to facilitate protein functioning and stress signaling. Phytohormones play critical roles in eliciting a salinity stress adaptation response in plants. These responses enable the plants to acclimatize to adverse soil conditions. Phytohormones and osmolytes are helpful in minimizing salinity stress-related detrimental effects on plants. These phytohormones modulate the level of osmolytes through alteration in the gene expression pattern of key biosynthetic enzymes and antioxidative enzymes along with their role as signaling molecules. Thus, it becomes vital to understand the roles of these phytohormones on osmolyte accumulation and regulation to conclude the adaptive roles played by plants to avoid salinity stress.
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Affiliation(s)
- Pooja Singh
- Department of Botany, MMV, Banaras Hindu University, Varanasi, India
| | - Krishna Kumar Choudhary
- Department of Botany, MMV, Banaras Hindu University, Varanasi, India
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Nivedita Chaudhary
- Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India
| | - Shweta Gupta
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Mamatamayee Sahu
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Boddu Tejaswini
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Subrata Sarkar
- Department of Botany, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, Punjab, India
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Buffagni V, Zhang L, Senizza B, Rocchetti G, Ferrarini A, Miras-Moreno B, Lucini L. Metabolomics and lipidomics insight into the effect of different polyamines on tomato plants under non-stress and salinity conditions. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 322:111346. [PMID: 35697150 DOI: 10.1016/j.plantsci.2022.111346] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 05/11/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
Polyamines (PAs) are key signaling molecules involved in plant growth and stress acclimation processes. This work investigated the effect of spermidine, spermine, and putrescine (alone and in a mixture) in tomato plants using a combined metabolomics and lipidomics approach. The experiments were carried out under non-stress and 100 mM NaCl salinity conditions. Shoot and root biomass, as well as SPAD values, were increased by the application of exogenous PAs but with differences across treatments. Similarly, root length density (F: 34, p < 0.001), average root diameter (F: 14, p < 0.001), and very fine roots (0.0-0.5 mm) increased in PA-treated plants, compared to control. Metabolomics and lipidomics indicated that, despite being salinity the hierarchically prevalent factor, the different PA treatments imposed distinct remodeling at the molecular level. Plants treated with putrescine showed the broader modulation of metabolite profile, whereas spermidine and spermine induced a comparatively milder effect. The pathway analysis from differential metabolites indicated a broad and multi-level intricate modulation of several signaling molecules together with stress-related compounds like flavonoids and alkaloids. Concerning signaling processes, the complex crosstalk between phytohormones (mainly abscisic acid, cytokinins, the ethylene precursor, and jasmonates), and the membrane lipids signaling cascade (in particular, sphingolipids as well as ceramides and other glycerophospholipids), was involved in such complex response of tomato to PAs. Interestingly, PA-specific processes could be observed, with peculiar responses under either control or salinity conditions.
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Affiliation(s)
- Valentina Buffagni
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Leilei Zhang
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Biancamaria Senizza
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Gabriele Rocchetti
- Department of Animal Science, Food and Nutrition, Università Cattolica del Sacro Cuore, Via Emilia Parmense 29122, Piacenza, Italy
| | - Andrea Ferrarini
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Begoña Miras-Moreno
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
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Seed Priming with Spermine Mitigates Chromium Stress in Rice by Modifying the Ion Homeostasis, Cellular Ultrastructure and Phytohormones Balance. Antioxidants (Basel) 2022; 11:antiox11091704. [PMID: 36139792 PMCID: PMC9495668 DOI: 10.3390/antiox11091704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 11/17/2022] Open
Abstract
Chromium (Cr) is an important environmental constraint effecting crop productivity. Spermine (SPM) is a polyamine compound regulating plant responses to abiotic stresses. However, SPM-mediated tolerance mechanisms against Cr stress are less commonly explored in plants. Thus, current research was conducted to explore the protective mechanisms of SPM (0.01 mM) against Cr (100 µM) toxicity in two rice cultivars, CY927 (sensitive) and YLY689 (tolerant) at the seedling stage. Our results revealed that, alone, Cr exposure significantly reduced seed germination, biomass and photosynthetic related parameters, caused nutrient and hormonal imbalance, desynchronized antioxidant enzymes, and triggered oxidative damage by over-accretion of reactive oxygen species (ROS), malondialdehyde (MDA) and electrolyte leakage in both rice varieties, with greater impairments in CY927 than YLY689. However, seed priming with SPM notably improved or reversed the above-mentioned parameters, especially in YLY689. Besides, SPM stimulated the stress-responsive genes of endogenous phytohormones, especially salicylic acid (SA), as confirmed by the pronounced transcript levels of SA-related genes (OsPR1, OsPR2 and OsNPR1). Our findings specified that SPM enhanced rice tolerance against Cr toxicity via decreasing accumulation of Cr and markers of oxidative damage (H2O2, O2•− and MDA), improving antioxidant defense enzymes, photosynthetic apparatus, nutrients and phytohormone balance.
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Abid G, Ouertani RN, Ghouili E, Muhovski Y, Jebara SH, Abdelkarim S, Chaieb O, Ben Redjem Y, El Ayed M, Barhoumi F, Souissi F, Jebara M. Exogenous application of spermidine mitigates the adverse effects of drought stress in faba bean ( Vicia faba L.). FUNCTIONAL PLANT BIOLOGY : FPB 2022; 49:405-420. [PMID: 35209990 DOI: 10.1071/fp21125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
In Tunisia, drought stress is a major environmental factor limiting crop production and causing relatively low and unstable faba bean yields. In the present study, we explored the putative role of spermidine (0.5, 1, 1.5 and 2mM) in ameliorating the effects of drought stress induced by polyethylene glycol (PEG-6000, -0.58MPa) in faba bean seedlings. Drought stress reduced photosynthetic performance, chlorophyll and relative water content in leaves of faba bean variety Badii. Moreover, drought increased proline, electrolyte leakage and malondialdehyde content by inducing reactive oxygen species (hydrogen peroxide) generation in leaves. However, applying spermidine increased the activities of catalase, superoxide dismutase, ascorbate peroxidase and guaiacol peroxidase. The results show that the application of spermidine especially at a rate of 1.5mM effectively reduces oxidative damage and alleviates negative effects caused by drought stress. In addition, exogenous spermidine increased the expression of polyamine biosynthetic enzymes' genes (VfADC , VfSAMDC and VfSPDS ), and reduced the expression of VfSPMS suggesting that exogenous spermidine can regulate polyamines' metabolic status under drought challenge, and consequently may enhance drought stress tolerance in faba bean. Real-time quantitative polymerase chain reaction analysis revealed that some drought responsive genes (VfNAC , VfHSP , VfNCED , VfLEA , VfCAT , VfAPX , VfRD22 , VfMYB , VfDHN , VfERF , VfSOD and VfWRKY ) from various metabolic pathways were differentially expressed under drought stress. Overall, these genes were more abundantly transcribed in the spermidine-treated plants compared to untreated suggesting an important role of spermidine in modulating faba bean drought stress response and tolerance.
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Affiliation(s)
- Ghassen Abid
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Rim Nefissi Ouertani
- Laboratory of Plant Molecular Physiology, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Emna Ghouili
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Yordan Muhovski
- Department of Life Sciences, Walloon Agricultural Research Centre, Chaussée de Charleroi, BP 234, Gembloux 5030, Belgium
| | - Salwa Harzalli Jebara
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Souhir Abdelkarim
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Oumaima Chaieb
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Yosr Ben Redjem
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Mohamed El Ayed
- Laboratory of Bioactive Substances, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Fathi Barhoumi
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Fatma Souissi
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Moez Jebara
- Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj Cedria, BP 901, Hammam-Lif 2050, Tunisia
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da Silva TI, Dias MG, de Araújo NO, de Sousa Santos MN, Cruz RRP, Dias TJ, Ribeiro WS, Grossi JAS, Barbosa JG. Spermine reduces the harmful effects of salt stress in Tropaeolum majus. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2022; 28:687-696. [PMID: 35465202 PMCID: PMC8986909 DOI: 10.1007/s12298-022-01165-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/02/2022] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
Flowers, leaves, fruits and buds of Tropaeolum majus are used for ornamental, medicinal and food purposes. However, salt stress limits the development and productivity of T. majus due to biochemical, physiological and anatomical disturbances. Polyamine application is an alternative for mitigating the harmful effects of salt stress. Thus, the objective of this work was to evaluate the effects of spermine application in T. majus grown under salt stress. The experiment was carried out in a completely randomized design, in a 3 × 2 factorial scheme, with 0, 40 mM (moderate salt stress) and 80 mM (severe salt stress) NaCl, and 0 and 1 mM spermine, and with five replicates. Growth (plant height, stem diameter, number of leaves, number of flowers, number of buds, leaf dry mass, stem dry mass and flower dry mass), gas exchange (gs, A, E, Ci and WUE), relative water content, contents of free amino acids, phenolic compounds, reducing and non-reducing sugars, lipid peroxidation and enzymatic activities (CAT, POD and APX) were evaluated. Spermine application decreased the harmful effects of salt stress on the growth and gas exchange and increased flowering in T. majus. Furthermore, the relative water content of T. majus increased under severe salt stress conditions. Spermine application reduced the contents of total phenolic compounds, free amino acids, reducing sugars and non-reducing sugars on leaves of T. majus. Spermine application increased CAT and POD activities in plants under severe salt stress and POD and APX in plants under moderate salt stress.
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Affiliation(s)
| | - Marlon Gomes Dias
- Department of Agronomy, Universidade Federal de Viçosa, 36570900 Viçosa, Brazil
| | | | | | | | - Thiago Jardelino Dias
- Department of Agriculture, Universidade Federal da Paraíba, 58220000 Bananeiras, Brazil
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A Highly Sensitive Electrochemiluminescence Spermine Biosensor Based on Au−Ag Bimetallic Nanoclusters. ELECTROANAL 2021. [DOI: 10.1002/elan.202100169] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Spermine: Its Emerging Role in Regulating Drought Stress Responses in Plants. Cells 2021; 10:cells10020261. [PMID: 33525668 PMCID: PMC7912026 DOI: 10.3390/cells10020261] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023] Open
Abstract
In recent years, research on spermine (Spm) has turned up a lot of new information about this essential polyamine, especially as it is able to counteract damage from abiotic stresses. Spm has been shown to protect plants from a variety of environmental insults, but whether it can prevent the adverse effects of drought has not yet been reported. Drought stress increases endogenous Spm in plants and exogenous application of Spm improves the plants' ability to tolerate drought stress. Spm's role in enhancing antioxidant defense mechanisms, glyoxalase systems, methylglyoxal (MG) detoxification, and creating tolerance for drought-induced oxidative stress is well documented in plants. However, the influences of enzyme activity and osmoregulation on Spm biosynthesis and metabolism are variable. Spm interacts with other molecules like nitric oxide (NO) and phytohormones such as abscisic acid, salicylic acid, brassinosteroids, and ethylene, to coordinate the reactions necessary for developing drought tolerance. This review focuses on the role of Spm in plants under severe drought stress. We have proposed models to explain how Spm interacts with existing defense mechanisms in plants to improve drought tolerance.
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Xu J, Yang J, Xu Z, Zhao D, Hu X. Exogenous spermine-induced expression of SlSPMS gene improves salinity-alkalinity stress tolerance by regulating the antioxidant enzyme system and ion homeostasis in tomato. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 157:79-92. [PMID: 33096513 DOI: 10.1016/j.plaphy.2020.09.033] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 09/24/2020] [Indexed: 06/11/2023]
Abstract
The study tested the function of exogenous spermine (Spm) in resisting salinity-alkalinity stress in tomato seedlings and found that tomato Spm synthase gene (SlSPMS) was involved in this regulation. The tomato seedlings cultivated in normal conditions or salinity-alkalinity conditions were irrigated with 100 ml one strength Hoagland nutrient solution 100 ml mixed solution (5 ml 300 mmol/L NaCl, 45 ml 300 mmol/L Na2SO4, 45 ml 300 mmol/L NaHCO3, and 5 ml 300 mmol/L Na2CO3 (pH = 8.90)) every 2 days, respectively. The 0.5 mM Spm pretreatment improved superoxide dismutase (SOD; EC 1.15.1.1) activity, catalase (CAT; EC 1.11.1.6) activity, ascorbate peroxidase (APX; EC 1.11.1.11) activity, and glutathione reductase (GR; EC 1.6.4.2) activity and decreased endogenous hydrogen peroxide (H2O2) content, malondialdehyde (MDA) content, and relative electrical conductivity (REC) in tomato leaves. Na+ content declined and K+ concentration rose in tomato seedlings when pre-treated with Spm. However the results showed that under salinity-alkalinity stress, silencing of SlSPMS with virus-induced gene silencing had lower antioxidant enzyme activities and higher Na+ content and lower K+ content than normal tomato seedlings, meaning that they had low salinity-alkalinity tolerance. Exogenous Spm could not reconstruct the tolerance to salinity-alkalinity stress in SlSPMS gene-silencing tomato seedlings. Taken together, exogenous Spm could induce the expression level of SlSPMS, which regulated the antioxidant enzyme system and ion homeostasis in tomato seedlings living in salinity-alkalinity environment, thereby improving the ability of tomato seedlings to resist salinity-alkalinity stress.
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Affiliation(s)
- Jiwen Xu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Protected Horticultural Engineering in Northwest, Ministry of Agriculture, Yangling, Shaanxi, 712100, China; Shaanxi Protected Agriculture Research Centre, Yangling, Shaanxi, 712100, China
| | - Jianyu Yang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Protected Horticultural Engineering in Northwest, Ministry of Agriculture, Yangling, Shaanxi, 712100, China; Shaanxi Protected Agriculture Research Centre, Yangling, Shaanxi, 712100, China
| | - Zijian Xu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Protected Horticultural Engineering in Northwest, Ministry of Agriculture, Yangling, Shaanxi, 712100, China; Shaanxi Protected Agriculture Research Centre, Yangling, Shaanxi, 712100, China
| | - Dingkang Zhao
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Protected Horticultural Engineering in Northwest, Ministry of Agriculture, Yangling, Shaanxi, 712100, China; Shaanxi Protected Agriculture Research Centre, Yangling, Shaanxi, 712100, China
| | - Xiaohui Hu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China; Key Laboratory of Protected Horticultural Engineering in Northwest, Ministry of Agriculture, Yangling, Shaanxi, 712100, China; Shaanxi Protected Agriculture Research Centre, Yangling, Shaanxi, 712100, China.
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Zarza X, Van Wijk R, Shabala L, Hunkeler A, Lefebvre M, Rodriguez‐Villalón A, Shabala S, Tiburcio AF, Heilmann I, Munnik T. Lipid kinases PIP5K7 and PIP5K9 are required for polyamine-triggered K + efflux in Arabidopsis roots. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 104:416-432. [PMID: 32666545 PMCID: PMC7693229 DOI: 10.1111/tpj.14932] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/30/2020] [Accepted: 07/07/2020] [Indexed: 05/03/2023]
Abstract
Polyamines, such as putrescine, spermidine and spermine (Spm), are low-molecular-weight polycationic molecules present in all living organisms. Despite their implication in plant cellular processes, little is known about their molecular mode of action. Here, we demonstrate that polyamines trigger a rapid increase in the regulatory membrane lipid phosphatidylinositol 4,5-bisphosphate (PIP2 ), and that this increase is required for polyamine effects on K+ efflux in Arabidopsis roots. Using in vivo 32 Pi -labelling of Arabidopsis seedlings, low physiological (μm) concentrations of Spm were found to promote a rapid PIP2 increase in roots that was time- and dose-dependent. Confocal imaging of a genetically encoded PIP2 biosensor revealed that this increase was triggered at the plasma membrane. Differential 32 Pi -labelling suggested that the increase in PIP2 was generated through activation of phosphatidylinositol 4-phosphate 5-kinase (PIP5K) activity rather than inhibition of a phospholipase C or PIP2 5-phosphatase activity. Systematic analysis of transfer DNA insertion mutants identified PIP5K7 and PIP5K9 as the main candidates involved in the Spm-induced PIP2 response. Using non-invasive microelectrode ion flux estimation, we discovered that the Spm-triggered K+ efflux response was strongly reduced in pip5k7 pip5k9 seedlings. Together, our results provide biochemical and genetic evidence for a physiological role of PIP2 in polyamine-mediated signalling controlling K+ flux in plants.
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Affiliation(s)
- Xavier Zarza
- Research Cluster Green Life SciencesSection Plant Cell BiologySwammerdam Institute for Life SciencesUniversity of AmsterdamPO Box 94215Amsterdam1090 GEThe Netherlands
| | - Ringo Van Wijk
- Research Cluster Green Life SciencesSection Plant Cell BiologySwammerdam Institute for Life SciencesUniversity of AmsterdamPO Box 94215Amsterdam1090 GEThe Netherlands
| | - Lana Shabala
- Tasmanian Institute of AgricultureUniversity of TasmaniaHobartAustralia
| | - Anna Hunkeler
- Department of BiologyInstitute of Agricultural ScienceSwiss Federal Institute of Technology in ZurichZurichSwitzerland
| | - Matthew Lefebvre
- Research Cluster Green Life SciencesSection Plant Cell BiologySwammerdam Institute for Life SciencesUniversity of AmsterdamPO Box 94215Amsterdam1090 GEThe Netherlands
| | - Antia Rodriguez‐Villalón
- Department of BiologyInstitute of Agricultural ScienceSwiss Federal Institute of Technology in ZurichZurichSwitzerland
| | - Sergey Shabala
- Tasmanian Institute of AgricultureUniversity of TasmaniaHobartAustralia
- International Research Centre for Environmental Membrane BiologyFoshan UniversityFoshanChina
| | - Antonio F. Tiburcio
- Dept. of Natural Products, Plant Biology and Soil ScienceUniversity of BarcelonaBarcelonaSpain
| | - Ingo Heilmann
- Dept of Cellular BiochemistryInstitute of Biochemistry and BiotechnologyMartin Luther University Halle‐WittenbergHalle (Saale)Germany
| | - Teun Munnik
- Research Cluster Green Life SciencesSection Plant Cell BiologySwammerdam Institute for Life SciencesUniversity of AmsterdamPO Box 94215Amsterdam1090 GEThe Netherlands
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13
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Acet T, Kadıoğlu A. SOS5 gene-abscisic acid crosstalk and their interaction with antioxidant system in Arabidopsis thaliana under salt stress. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2020; 26:1831-1845. [PMID: 32943819 PMCID: PMC7468026 DOI: 10.1007/s12298-020-00873-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 08/12/2020] [Accepted: 08/24/2020] [Indexed: 05/05/2023]
Abstract
SOS5 locus, encodes cell wall adhesion protein under salt stress conditions in plants, and it is required for normal cell expansion as well as for sustaining cell wall integrity and structure. However, it is still unknown how this gene locus-ABA cross-talk and interacts with the antioxidant mechanism under salt stress conditions. For this purpose, the study focused on mutant sos5-1 plant treated with ABA under NaCl stress and observed its growth and development as well as stomatal aperture, lipid peroxidation, proline, hydrogen peroxide (H2O2) and ABA contents, and some antioxidant enzyme activities. In addition, the expression levels of ABA related genes have been analysed by RT-PCR after stress application. According to findings, sos5-1 mutant plants treated with ABA under salt stress resulted in eliminated cellular damage compared to those which are solely exposed to salt stress; other observations include closing of stomata, decreased H2O2 content, increased amount of proline, and similarity with the wild type due to induced antioxidant enzyme activities. Besides, both ABA biosynthetic and inducible gene expressions of the mutant plant under salt stress were lower compared to the control, and catabolism gene expression was higher. As a result, SOS5 gene in synergy with ABA, scavenge the ROS by stimulating antioxidant system, leads to an increase in stress related gene expressions and thus contributes to salinity tolerance. This study is significant in the way that it shows how SOS5 gene locus, under salt stress conditions, interacts with antioxidant system in sustaining cell wall integrity.
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Affiliation(s)
- Tuba Acet
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Gümüşhane University, 29100 Gümüşhane, Turkey
| | - Asım Kadıoğlu
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey
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