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Zuzunaga-Rosas J, Calone R, Mircea DM, Shakya R, Ibáñez-Asensio S, Boscaiu M, Fita A, Moreno-Ramón H, Vicente O. Mitigation of salt stress in lettuce by a biostimulant that protects the root absorption zone and improves biochemical responses. FRONTIERS IN PLANT SCIENCE 2024; 15:1341714. [PMID: 38434431 PMCID: PMC10906269 DOI: 10.3389/fpls.2024.1341714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 01/30/2024] [Indexed: 03/05/2024]
Abstract
Horticultural crops constantly face abiotic stress factors such as salinity, which have intensified in recent years due to accelerated climate change, significantly affecting their yields and profitability. Under these conditions, it has become necessary to implement effective and sustainable solutions to guarantee agricultural productivity and food security. The influence of BALOX®, a biostimulant of plant origin, was tested on the responses to salinity of Lactuca sativa L. var. longifolia plants exposed to salt concentrations up to 150 mM NaCl, evaluating different biometric and biochemical properties after 25 days of treatment. Control plants were cultivated under the same conditions but without the biostimulant treatment. An in situ analysis of root characteristics using a non-destructive, real-time method was also performed. The salt stress treatments inhibited plant growth, reduced chlorophyll and carotenoid contents, and increased the concentrations of Na+ and Cl- in roots and leaves while reducing those of Ca2+. BALOX® application had a positive effect because it stimulated plant growth and the level of Ca2+ and photosynthetic pigments. In addition, it reduced the content of Na+ and Cl- in the presence and the absence of salt. The biostimulant also reduced the salt-induced accumulation of stress biomarkers, such as proline, malondialdehyde (MDA), and hydrogen peroxide (H2O2). Therefore, BALOX® appears to significantly reduce osmotic, ionic and oxidative stress levels in salt-treated plants. Furthermore, the analysis of the salt treatments' and the biostimulant's direct effects on roots indicated that BALOX®'s primary mechanism of action probably involves improving plant nutrition, even under severe salt stress conditions, by protecting and stimulating the root absorption zone.
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Affiliation(s)
- Javier Zuzunaga-Rosas
- Department of Plant Production, Universitat Politècnica de València, Valencia, Spain
- Innovak Global S. A. de C. V., La Concordia, Chihuahua, Mexico
| | - Roberta Calone
- Council for Agricultural Research and Economics (CREA), Research Centre for Agriculture and Environment, Bologna, Rome, Italy
| | - Diana M. Mircea
- Department of Forestry, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
- Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Valencia, Spain
| | - Rashmi Shakya
- Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Valencia, Spain
- Department of Botany, Miranda House, University of Delhi, Delhi, India
| | - Sara Ibáñez-Asensio
- Department of Plant Production, Universitat Politècnica de València, Valencia, Spain
| | - Monica Boscaiu
- Mediterranean Agroforestry Institute (IAM), Universitat Politècnica de València, Valencia, Spain
| | - Ana Fita
- Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Valencia, Spain
| | - Héctor Moreno-Ramón
- Department of Plant Production, Universitat Politècnica de València, Valencia, Spain
| | - Oscar Vicente
- Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Valencia, Spain
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Ferrández-Gómez B, Jordá JD, Cerdán M, Sánchez A. Valorization of Posidonia oceanica biomass: Role on germination of cucumber and tomato seeds. WASTE MANAGEMENT (NEW YORK, N.Y.) 2023; 171:634-641. [PMID: 37857050 DOI: 10.1016/j.wasman.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/18/2023] [Accepted: 10/09/2023] [Indexed: 10/21/2023]
Abstract
Biostimulants are organic compounds from plant sources such as botanical extracts and bioactive substances that promote plant growth, enhance photosynthesis and increase crop quality. The accumulation of detached Posidonia oceanica leaves on coasts of the Mediterranean Sea results in economic problems, due to the rejection of the tourists who frequent the beaches in the summer months. However, it is a plant with high content of secondary metabolites that can be used in sustainable agriculture. In this study we investigated the physicochemical characterization of Posidonia oceanica extracts with three different solutions and their application in tomato and cucumber seeds germination. The results showed that the aqueous extract of Posidonia oceanica had a high concentration of macro and micronutrients, as well as secondary metabolites with bioactive activity. The aqueous extract had a beneficial effect on both leaf and root growth on tomato seeds, specifically, an increase of 76% for the relative root growth and 73% for the germination index was obtained with respect to the control using the sample with the intermediate dilution (POe0.5). In addition, the extracts did not show toxicity to either germination or growth of the tomato plant. As for cucumber seed germination, the improvement was less significant and did result in a phytotoxic effect on both germination and plant growth. The most diluted extract had better results on seed germination. Therefore, the application of aqueous extracts of Posidonia oceanica were suitable to be appropriate for tomato germination and in turn contribute to eliminate the lots of Posidonia oceanica remains recovered in summer months in Mediterranean beaches.
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Affiliation(s)
- Borja Ferrández-Gómez
- Department of Biochemistry and Molecular Biology and Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain
| | - Juana D Jordá
- Department of Biochemistry and Molecular Biology and Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain
| | - Mar Cerdán
- Department of Biochemistry and Molecular Biology and Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain
| | - Antonio Sánchez
- Department of Biochemistry and Molecular Biology and Edaphology and Agricultural Chemistry, University of Alicante, 03080 Alicante, Spain.
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Ramzan T, Shahbaz M, Maqsood MF, Zulfiqar U, Saman RU, Lili N, Irshad M, Maqsood S, Haider A, Shahzad B, Gaafar ARZ, Haider FU. Phenylalanine supply alleviates the drought stress in mustard (Brassica campestris) by modulating plant growth, photosynthesis, and antioxidant defense system. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107828. [PMID: 37329687 DOI: 10.1016/j.plaphy.2023.107828] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/23/2023] [Accepted: 06/07/2023] [Indexed: 06/19/2023]
Abstract
Mustard (Brassica campestris L.) is a major oilseed crop that plays a crucial role in agriculture. Nevertheless, a number of abiotic factors, drought in particular, significantly reduce its production. Phenylalanine (PA) is a significant and efficacious amino acid in alleviating the adverse impacts of abiotic stressors, such as drought. Thus, the current experiment aimed to evaluate the effects of PA application (0 and 100 mg/L) on brassica varieties i.e., Faisal (V1) and Rachna (V2) under drought stress (50% field capacity). Drought stress reduced the shoot length (18 and 17%), root length (12.1 and 12.3%), total chlorophyll contents (47 and 45%), and biological yield (21 and 26%) of both varieties (V1 and V2), respectively. Foliar application of PA helped overcome drought-induced losses and enhanced shoot length (20 and 21%), total chlorophyll contents (46 and 58%), and biological yield (19 and 22%), whereas reducing the oxidative activities of H2O2 (18 and 19%), MDA concentration (21 and 24%), and electrolyte leakage (19 and 21%) in both varieties (V1 and V2). Antioxidant activities, i.e., CAT, SOD, and POD, were further enhanced under PA treatment by 25, 11, and 14% in V1 and 31, 17, and 24% in V2. Overall findings suggest that exogenous PA treatment reduced the drought-induced oxidative damage and improved the yield, and ionic contents of mustard plants grown in pots. It should be emphasized, however, that studies examining the impacts of PA on open-field-grown brassica crops are still in their early stages, thus more work is needed in this area.
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Affiliation(s)
- Tahrim Ramzan
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Shahbaz
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | | | - Usman Zulfiqar
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Rafia Urooj Saman
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Nian Lili
- College of Forestry, Gansu Agricultural University, Lanzhou, 730070, China
| | - Muhammad Irshad
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Sana Maqsood
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Arslan Haider
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Babar Shahzad
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia
| | - Abdel-Rhman Z Gaafar
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 11451, Riyadh, Saudi Arabia
| | - Fasih Ullah Haider
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China; University of Chinese Academy of Sciences, Beijing, 100039, China.
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Constantinescu-Aruxandei D, Oancea F. Closing the Nutrient Loop-The New Approaches to Recovering Biomass Minerals during the Biorefinery Processes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2096. [PMID: 36767462 PMCID: PMC9915181 DOI: 10.3390/ijerph20032096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/10/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
The recovery of plant mineral nutrients from the bio-based value chains is essential for a sustainable, circular bioeconomy, wherein resources are (re)used sustainably. The widest used approach is to recover plant nutrients on the last stage of biomass utilization processes-e.g., from ash, wastewater, or anaerobic digestate. The best approach is to recover mineral nutrients from the initial stages of biomass biorefinery, especially during biomass pre-treatments. Our paper aims to evaluate the nutrient recovery solutions from a trans-sectorial perspective, including biomass processing and the agricultural use of recovered nutrients. Several solutions integrated with the biomass pre-treatment stage, such as leaching/bioleaching, recovery from pre-treatment neoteric solvents, ionic liquids (ILs), and deep eutectic solvents (DESs) or integrated with hydrothermal treatments are discussed. Reducing mineral contents on silicon, phosphorus, and nitrogen biomass before the core biorefinery processes improves processability and yield and reduces corrosion and fouling effects. The recovered minerals are used as bio-based fertilizers or as silica-based plant biostimulants, with economic and environmental benefits.
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Affiliation(s)
| | - Florin Oancea
- Department of Bioresources, Bioproducts Group, National Institute for Research & Development in Chemistry and Petrochemistry—ICECHIM, Splaiul Independenței nr. 202, Sector 6, 060021 Bucharest, Romania
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Marmiroli M, Mussi F, Gallo V, Gianoncelli A, Hartley W, Marmiroli N. Combination of Biochemical, Molecular, and Synchrotron-Radiation-Based Techniques to Study the Effects of Silicon in Tomato ( Solanum Lycopersicum L.). Int J Mol Sci 2022; 23:15837. [PMID: 36555489 PMCID: PMC9785873 DOI: 10.3390/ijms232415837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/18/2022] [Accepted: 11/25/2022] [Indexed: 12/15/2022] Open
Abstract
The work focused on the analysis of two cultivars of tomato (Solanum lycopersicum L.), Aragon and Gladis, under two different treatments of silicon, Low, 2 L of 0.1 mM CaSiO3, and High, 0.5 mM CaSiO3, weekly, for 8 weeks, under stress-free conditions. We subsequently analyzed the morphology, chemical composition, and elemental distribution using synchrotron-based µ-XRF techniques, physiological, and molecular aspects of the response of the two cultivars. The scope of the study was to highlight any significant response of the plants to the Si treatments, in comparison with any response to Si of plants under stress. The results demonstrated that the response was mainly cultivar-dependent, also at the level of mitochondrial-dependent oxidative stress, and that it did not differ from the two conditions of treatments. With Si deposited mainly in the cell walls of the cells of fruits, leaves, and roots, the treatments did not elicit many significant changes from the point of view of the total elemental content, the physiological parameters that measured the oxidative stress, and the transcriptomic analyses focalized on genes related to the response to Si. We observed a priming effect of the treatment on the most responsive cultivar, Aragon, in respect to future stress, while in Gladis the Si treatment did not significantly change the measured parameters.
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Affiliation(s)
- Marta Marmiroli
- Department of Chemistry, Life Science and Environmental Sustainability, University of Parma, Parco Area delle Scienze 33/A, 43124 Parma, Italy
- The Italian National Interuniversity Consortium for Environmental Sciences (CINSA), Parco Area delle Scienze 93/A, 43124 Parma, Italy
| | - Francesca Mussi
- Department of Chemistry, Life Science and Environmental Sustainability, University of Parma, Parco Area delle Scienze 33/A, 43124 Parma, Italy
| | - Valentina Gallo
- Department of Chemistry, Life Science and Environmental Sustainability, University of Parma, Parco Area delle Scienze 33/A, 43124 Parma, Italy
| | - Alessandra Gianoncelli
- Elettra-Sincrotrone Trieste, Strada Statale 14—km 163.5 in AREA Science Park, Basovizza, 34149 Trieste, Italy
| | - William Hartley
- Agriculture and Environment, Harper Adams University, Newport B5062, UK
| | - Nelson Marmiroli
- The Italian National Interuniversity Consortium for Environmental Sciences (CINSA), Parco Area delle Scienze 93/A, 43124 Parma, Italy
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Sun S, Yang Z, Song Z, Wang N, Guo N, Niu J, Liu A, Bai B, Ahammed GJ, Chen S. Silicon enhances plant resistance to Fusarium wilt by promoting antioxidant potential and photosynthetic capacity in cucumber ( Cucumis sativus L.). FRONTIERS IN PLANT SCIENCE 2022; 13:1011859. [PMID: 36311065 PMCID: PMC9608603 DOI: 10.3389/fpls.2022.1011859] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 09/16/2022] [Indexed: 06/07/2023]
Abstract
Fusarium wilt, caused by Fusarium oxysporum f. sp. cucumerinum (Fo), is a severe soil-borne disease affecting cucumber production worldwide, particularly under monocropping in greenhouses. Silicon (Si) plays an important role in improving the resistance of crops to Fusarium wilt, but the underlying mechanism is largely unclear. Here, an in vitro study showed that 3 mmol·l-1 Si had the best inhibitory effect on the mycelial growth of F. oxysporum in potato dextrose agar (PDA) culture for 7 days. Subsequently, the occurrence of cucumber wilt disease and its mechanisms were investigated upon treatments with exogenous silicon under soil culture. The plant height, stem diameter, root length, and root activity under Si+Fo treatment increased significantly by 39.53%, 94.87%, 74.32%, and 95.11% compared with Fo only. Importantly, the control efficiency of Si+Fo was 69.31% compared with that of Fo treatment. Compared with Fo, the activities of peroxidase (POD), catalase (CAT), and ascorbate peroxidase (APX) significantly increased by 148.92%, 26.47%, and 58.54%, while the contents of H2O2, O 2 · - , and malondialdehyde (MDA) notably decreased by 21.67%, 59.67%, and 38.701%, respectively, in roots of cucumber plants treated with Si + Fo. Compared with Fo treatment, the net photosynthesis rate (Pn), stomatal conductance (Gs), transpiration rate (Tr), maximum RuBisCO carboxylation rates (Vcmax), maximum RuBP regeneration rates (Jmax), and activities of ribulose-1,5-bisphosphate carboxylase (RuBisCO), fructose-1,6-bisphosphatase (FBPase), and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and the expression of FBPA, TPI, SBPase, and FBPase in Si+Fo treatment increased significantly. Furthermore, Si alleviated stomatal closure and enhanced endogenous silicon content compared with only Fo inoculation. The study results suggest that exogenous silicon application improves cucumber resistance to Fusarium wilt by stimulating the antioxidant system, photosynthetic capacity, and stomatal movement in cucumber leaves. This study brings new insights into the potential of Si application in boosting cucumber resistance against Fusarium wilt with a bright prospect for Si use in cucumber production under greenhouse conditions.
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Affiliation(s)
- Shuangsheng Sun
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Zhengkun Yang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Zhiyu Song
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Nannan Wang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Ning Guo
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Jinghan Niu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Airong Liu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
| | - Bing Bai
- Wageningen Seed Science Centre, Laboratory of Plant Physiology, Wageningen University, Wageningen, Netherlands
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
- Henan International Joint Laboratory of Stress Resistance Regulation and Safe Production of Protected Vegetables, Luoyang, China
- Henan Engineering Technology Research Center for Horticultural Crop safety and Disease Control, Luoyang, China
| | - Shuangchen Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, China
- Henan International Joint Laboratory of Stress Resistance Regulation and Safe Production of Protected Vegetables, Luoyang, China
- Henan Engineering Technology Research Center for Horticultural Crop safety and Disease Control, Luoyang, China
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Akhter MS, Noreen S, Ummara U, Aqeel M, Saleem N, Ahmed MM, Mahmood S, Athar HUR, Alyemeni MN, Kaushik P, Ahmad P. Silicon-Induced Mitigation of NaCl Stress in Barley ( Hordeum vulgare L.), Associated with Enhanced Enzymatic and Non-Enzymatic Antioxidant Activities. PLANTS (BASEL, SWITZERLAND) 2022; 11:2379. [PMID: 36145782 PMCID: PMC9503217 DOI: 10.3390/plants11182379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 01/03/2023]
Abstract
Salt stress obstructs plant's growth by affecting metabolic processes, ion homeostasis and over-production of reactive oxygen species. In this regard silicon (Si) has been known to augment a plant's antioxidant defense system to combat adverse effects of salinity stress. In order to quantify the Si-mediated salinity tolerance, we studied the role of Si (200 ppm) applied through rooting media on antioxidant battery system of barley genotypes; B-10008 (salt-tolerant) and B-14011 (salt-sensitive) subjected to salt stress (200 mM NaCl). A significant decline in the accumulation of shoot (35-74%) and root (30-85%) biomass was observed under salinity stress, while Si application through rooting media enhancing biomass accumulation of shoots (33-49%) and root (32-37%) under salinity stress. The over-accumulation reactive oxygen species i.e., hydrogen peroxide (H2O2) is an inevitable process resulting into lipid peroxidation, which was evident by enhanced malondialdehyde levels (13-67%) under salinity stress. These events activated a defense system, which was marked by higher levels of total soluble proteins and uplifted activities of antioxidants enzymatic (SOD, POD, CAT, GR and APX) and non-enzymatic (α-tocopherol, total phenolics, AsA, total glutathione, GSH, GSSG and proline) in roots and leaves under salinity stress. The Si application through rooting media further strengthened the salt stressed barley plant's defense system by up-regulating the activities of enzymatic and non-enzymatic antioxidant in order to mitigate excessive H2O2 efficiently. The results revealed that although salt-tolerant genotype (B-10008) was best adopted to tolerate salt stress, comparably the response of salt-sensitive genotype (B-14011) was more prominent (accumulation of antioxidant) after application of Si through rooting media under salinity stress.
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Affiliation(s)
- Muhammad Salim Akhter
- Institute of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan; (M.S.A.); (N.S.); (S.M.); (H.-u.-R.A.)
| | - Sibgha Noreen
- Institute of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan; (M.S.A.); (N.S.); (S.M.); (H.-u.-R.A.)
| | - Ume Ummara
- Department of Botany, The Islamia University of Bahawalpur, Rahim Yar Khan Campus, Rahim Yar Khan 64200, Pakistan;
| | - Muhammad Aqeel
- State Key Laboratory of Grassland Agro-Ecosystems, School of Life Science, Lanzhou University, Lanzhou 730000, China;
| | - Nawishta Saleem
- Institute of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan; (M.S.A.); (N.S.); (S.M.); (H.-u.-R.A.)
| | | | - Seema Mahmood
- Institute of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan; (M.S.A.); (N.S.); (S.M.); (H.-u.-R.A.)
| | - Habib-ur-Rehman Athar
- Institute of Botany, Bahauddin Zakariya University, Multan 60800, Pakistan; (M.S.A.); (N.S.); (S.M.); (H.-u.-R.A.)
| | | | - Prashant Kaushik
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022 Valencia, Spain;
| | - Parvaiz Ahmad
- Department of Botany, GDC, Pulwama 192301, Jammu and Kashmir, India
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Zulfiqar F, Nafees M, Chen J, Darras A, Ferrante A, Hancock JT, Ashraf M, Zaid A, Latif N, Corpas FJ, Altaf MA, Siddique KHM. Chemical priming enhances plant tolerance to salt stress. FRONTIERS IN PLANT SCIENCE 2022; 13:946922. [PMID: 36160964 PMCID: PMC9490053 DOI: 10.3389/fpls.2022.946922] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/25/2022] [Indexed: 05/10/2023]
Abstract
Salt stress severely limits the productivity of crop plants worldwide and its detrimental effects are aggravated by climate change. Due to a significant world population growth, agriculture has expanded to marginal and salinized regions, which usually render low crop yield. In this context, finding methods and strategies to improve plant tolerance against salt stress is of utmost importance to fulfill food security challenges under the scenario of the ever-increasing human population. Plant priming, at different stages of plant development, such as seed or seedling, has gained significant attention for its marked implication in crop salt-stress management. It is a promising field relying on the applications of specific chemical agents which could effectively improve plant salt-stress tolerance. Currently, a variety of chemicals, both inorganic and organic, which can efficiently promote plant growth and crop yield are available in the market. This review summarizes our current knowledge of the promising roles of diverse molecules/compounds, such as hydrogen sulfide (H2S), molecular hydrogen, nitric oxide (NO), hydrogen peroxide (H2O2), melatonin, chitosan, silicon, ascorbic acid (AsA), tocopherols, and trehalose (Tre) as potential primers that enhance the salinity tolerance of crop plants.
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Affiliation(s)
- Faisal Zulfiqar
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Nafees
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Jianjun Chen
- Mid-Florida Research and Education Center, Environmental Horticulture Department, Institute of Food and Agricultural Sciences, University of Florida, Apopka, FL, United States
| | - Anastasios Darras
- Department of Agriculture, University of the Peloponnese, Kalamata, Greece
| | - Antonio Ferrante
- Department of Food, Environmental and Nutritional Science, Università degli Studi di Milano, Milano, Italy
| | - John T. Hancock
- Department of Applied Sciences, University of the West of England, Bristol, United Kingdom
| | - Muhammad Ashraf
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Abbu Zaid
- Plant Physiology and Biochemistry Section, Department of Botany, Aligarh Muslim University, Aligarh, India
| | - Nadeem Latif
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Francisco J. Corpas
- Antioxidant, Free Radical and Nitric Oxide in Biotechnology, Food and Agriculture Group, Department of Biochemistry, Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), Granada, Spain
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Exogenously Supplemented Proline and Phenylalanine Improve Growth, Productivity, and Oil Composition of Salted Moringa by Up-Regulating Osmoprotectants and Stimulating Antioxidant Machinery. PLANTS 2022; 11:plants11121553. [PMID: 35736704 PMCID: PMC9227737 DOI: 10.3390/plants11121553] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/01/2022] [Accepted: 06/08/2022] [Indexed: 11/29/2022]
Abstract
Salinity is linked to poor plant growth and a reduction in global food output. Therefore, there is an essential need for plant adaptation and mitigation of salinity stress conditions. Plants combat salinity stress influences by promoting a set of physiological, biochemical, and molecular actions. Tremendous mechanisms are being applied to induce plant stress tolerance, involving amino acid application. For evaluating the growth and productivity of Moringa oleifera trees grown under salt stress conditions, moringa has been cultivated under different levels of salinity and subjected to a foliar spray of proline (Pro) and phenylalanine (Phe) amino acids. Moringa plants positively responded to the lowest level of salinity as the leaves, inflorescences, seeds, and oil yields have been increased, but the growth and productivity slightly declined with increasing salinity levels after that. However, Pro and Phe applications significantly ameliorate these effects, particularly, Pro-treatments which decelerated chlorophyll and protein degradation and enhanced vitamin C, polyphenols, and antioxidant activity. A slight reduction in mineral content was observed under the high levels of salinity. Higher osmoprotectants (proline, protein, and total soluble sugars) content was given following Pro treatment in salted and unsalted plants. A significant reduction in oil yield was obtained as affected by salinity stress. Additionally, salinity exhibited a reduction in oleic acid (C18:1), linoleic (C18:2), and linolenic (C18:3) acids, and an increase in stearic (C18:0), palmitic (C16:0), eicosenoic (C20:2), and behenic (C22:0) acids. Generally, Pro and Phe treatments overcome the harmful effects of salinity in moringa trees by stimulating the osmoprotectants, polyphenols, and antioxidant activity, causing higher dry matter accumulation and better defense against salinity stress.
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Al Murad M, Muneer S. Silicon Supplementation Modulates Physiochemical Characteristics to Balance and Ameliorate Salinity Stress in Mung Bean. FRONTIERS IN PLANT SCIENCE 2022; 13:810991. [PMID: 35665146 PMCID: PMC9158508 DOI: 10.3389/fpls.2022.810991] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 04/12/2022] [Indexed: 05/25/2023]
Abstract
Mung bean is a low-cost high-protein legume that is sensitive to salinity. Salt stress has been demonstrated to be mitigated by silicon (Si). In legumes, the potential for silicon (Si)-mediated abiotic stress reduction has mainly been ignored. Moreover, there is little information on the specific role of comparable Si (sodium silicate) concentrations in salinity stress reduction. As a result, the current study investigated the impact of two distinct Si concentrations (1 and 5 mM) on the physiochemical features of the "mung bean," one of the most extensively cultivated legumes, when exposed to salinity (10, 20, and 50 mM NaCl). Salinity stress reduced growth variables such as biomass, nodule formation, plant length, height, and photosynthetic measures, which were mitigated by silicon supplementation at 5 mM sodium silicate. The inclusion of silicon increased the expression of photosynthetic proteins such as PSI, PSII, and LHCs under salt stress. Salinity stress also caused oxidative damage in the mung bean in the form of hydrogen peroxide (H2O2) and superoxide radical (O2 -), leading in increased lipid peroxidation (MDA) and electrolyte leakage. In contrast, 5 mM sodium silicate tends to scavenge free radicals, reducing lipid peroxidation (MDA) and electrolyte loss. This was linked to significant silica deposition in the leaf epidermis, which eventually functioned as a mechanical barrier in mitigating the deleterious effects of salt stress. Si supplementation also decreased Na+ uptake while increasing K+ uptake. Silicon, specifically 5 mM sodium silicate, was found to minimize salinity stress in mung bean by altering physio-chemical parameters such as photosynthetic machinery, Na+/K+ homeostasis, mechanical barriers, osmolyte production, and oxidative stress.
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Affiliation(s)
- Musa Al Murad
- Horticulture and Molecular Physiology Lab, School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, India
- School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Sowbiya Muneer
- Horticulture and Molecular Physiology Lab, School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, India
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11
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The Effective Role of Nano-Silicon Application in Improving the Productivity and Quality of Grafted Tomato Grown under Salinity Stress. HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8040293] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This study aims to determine the influence of grafting and nano-silicon fertilizer on the growth and production of tomatoes (Solanumlycopersicum L.) under salinity conditions. A commercial tomato hybrid (cv. Strain B) was used as a scion and two tomato phenotypes were used as rootstocks: S. pimpinellifolium and Edkawy. The rootstock effect was evaluated by growing plants at two NaCl concentrations plus the control (0, 4000, and 8000 ppm NaCl). Nano-silicon foliar application (0.5 ppm) after 20, 28, and 36 days from transplanting was also used to mitigate salinity stress. Antioxidants, hormones, and proline were evaluated for a better understanding of the physiological changes induced by salinity and grafting. The results showed that grafting either on S. pimpinellifolium or Edkawy combined with nano-silicon application enhanced shoot and root growth, fruit yield, and fruit quality. The Edkawy rootstock was more effective than the S. pimpinellifolium rootstock in terms of counteracting the negative effect of salinity. Higher levels of mineral contents, GA3, ABA, and proline were detected in shoots that were subjected to grafting and nano-silicon application compared to the control treatment. This study indicates that grafting and nano-silicon application hold potential as alternative techniques to mitigate salt stress in commercial tomato cultivars.
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12
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Sánchez-Navarro JF, González-García Y, Benavides-Mendoza A, Morales-Díaz AB, González-Morales S, Cadenas-Pliego G, García-Guillermo MDS, Juárez-Maldonado A. Silicon Nanoparticles Improve the Shelf Life and Antioxidant Status of Lilium. PLANTS (BASEL, SWITZERLAND) 2021; 10:2338. [PMID: 34834701 PMCID: PMC8624484 DOI: 10.3390/plants10112338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/23/2021] [Accepted: 10/26/2021] [Indexed: 05/06/2023]
Abstract
The production of ornamentals is an economic activity of great interest, particularly the production of Lilium. This plant is very attractive for its color and shapes; however, the quality of its flower and its shelf life can decrease very fast. Therefore, it is of the utmost importance to develop techniques that allow for increasing both flower quality and shelf life. Nanotechnology has allowed for the use of various materials with unique characteristics. These materials can induce a series of positive responses in plants, among which the production of antioxidant compounds stands out. The objective of this study was to determine the impact of the application of silicone nanoparticles (SiO2 NPs) on the quality, shelf life, and antioxidant status of Lilium. For this, different concentrations of SiO2 NPs (0, 200, 400, 600, 800, and 1000 mg L-1) were applied in two ways, foliar and soil, as two independent experiments. The contents of enzymatic (superoxide dismutase, glutathione peroxidase, catalase, ascorbate peroxidase, and phenylalanine ammonia lyase) and non-enzymatic (phenols, flavonoids, and glutathione) antioxidant compounds, the mineral content, flower quality, and shelf life were analyzed. The results showed that the application of SiO2 NPs through the foliar method induced a greater flowers' shelf life (up to 21.62% more than the control); greater contents of Mg, P, and S (up to 25.6%, 69.1%, and 113.9%, respectively, compared to the control); more photosynthetic pigment (up to 65.17% of total chlorophyll); more glutathione peroxidase activity (up to 69.9%); more phenols (up to 25.93%); and greater antioxidant capacity as evaluated by the DPPH method (up to 5.18%). The use of SiO2 NPs in the production of Lilium is a good alternative method to increase flower quality and shelf life.
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Affiliation(s)
| | - Yolanda González-García
- Departamento de Botánica, Universidad Autónoma Agraria Antonio Narro, Saltillo 25315, CH, Mexico;
| | | | - América Berenice Morales-Díaz
- Centro de Investigación y Estudios Avanzados del Instituto Politécnico Nacional Unidad Saltillo, Ramos Arizpe 25900, CH, Mexico;
| | - Susana González-Morales
- Cátedras CONACYT-Departamento de Horticultura, Universidad Autónoma Agraria Antonio Narro, Saltillo 25315, CH, Mexico;
| | | | | | - Antonio Juárez-Maldonado
- Departamento de Botánica, Universidad Autónoma Agraria Antonio Narro, Saltillo 25315, CH, Mexico;
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13
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Kumar A, Choudhary A, Kaur H, Mehta S, Husen A. Smart nanomaterial and nanocomposite with advanced agrochemical activities. NANOSCALE RESEARCH LETTERS 2021; 16:156. [PMID: 34664133 PMCID: PMC8523620 DOI: 10.1186/s11671-021-03612-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/06/2021] [Indexed: 05/10/2023]
Abstract
Conventional agriculture solely depends upon highly chemical compounds that have negatively ill-affected the health of every living being and the entire ecosystem. Thus, the smart delivery of desired components in a sustainable manner to crop plants is the primary need to maintain soil health in the upcoming years. The premature loss of growth-promoting ingredients and their extended degradation in the soil increases the demand for reliable novel techniques. In this regard, nanotechnology has offered to revolutionize the agrotechnological area that has the imminent potential over conventional agriculture and helps to reform resilient cropping systems withholding prominent food security for the ever-growing world population. Further, in-depth investigation on plant-nanoparticles interactions creates new avenues toward crop improvement via enhanced crop yield, disease resistance, and efficient nutrient utilization. The incorporation of nanomaterial with smart agrochemical activities and establishing a new framework relevant to enhance efficacy ultimately help to address the social acceptance, potential hazards, and management issues in the future. Here, we highlight the role of nanomaterial or nanocomposite as a sustainable as well stable alternative in crop protection and production. Additionally, the information on the controlled released system, role in interaction with soil and microbiome, the promising role of nanocomposite as nanopesticide, nanoherbicide, nanofertilizer, and their limitations in agrochemical activities are discussed in the present review.
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Affiliation(s)
- Antul Kumar
- Department of Botany, Punjab Agricultural University, Ludhiana, 141004 India
| | - Anuj Choudhary
- Department of Botany, Punjab Agricultural University, Ludhiana, 141004 India
| | - Harmanjot Kaur
- Department of Botany, Punjab Agricultural University, Ludhiana, 141004 India
| | - Sahil Mehta
- International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067 India
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14
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Seed Priming with Silicon as a Potential to Increase Salt Stress Tolerance in Lathyrus odoratus. PLANTS 2021; 10:plants10102140. [PMID: 34685950 PMCID: PMC8539537 DOI: 10.3390/plants10102140] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/03/2021] [Accepted: 10/06/2021] [Indexed: 01/24/2023]
Abstract
Water shortage is a major problem limiting the expansion of green areas and landscapes. Using seawater as an alternative source of potable water is not a novel idea, but the issue of salt stress needs to be resolved. Salinity has a negative impact on growth and the aesthetic value of ornamental plants. In order to overcome these challenges, Lathyrus odoratus seeds were hydro-primed and halo-primed with silicon (Si) and silicon nanoparticles (SiNPs), and exposed to seawater levels. Seawater markedly reduced seed germination and growth of Lathyrus seedlings, but halo-priming was shown to significantly alleviate its negative effects. Broadly, SiNPs increased the germination percentage, reduced photosynthetic pigments and carbohydrates decrease, and enhanced water relations, despite having a negative effect on germination speed. Halo-priming significantly increased the proline content and the activities of certain enzymatic (SOD, APX and CAT) and nonenzymatic (phenolic and flavonoids) compounds, that positively influenced oxidative stress (lower MDA and H2O2 accumulation), resulting in seedlings with more salt stress tolerance. Halo-priming with Si or SiNPs enhanced the Si and K+ contents, and K+/Na+ ratio, associated with a reduction in Na+ accumulation. Generally, halo-priming with Si or SiNPs increased Lathyrus seedlings salt stress tolerance, which was confirmed using seawater treatments via improving germination percentage, seedlings growth and activation of the antioxidant machinery, which detoxifies reactive oxygen species (ROS).
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15
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Khan I, Awan SA, Rizwan M, Ali S, Hassan MJ, Brestic M, Zhang X, Huang L. Effects of silicon on heavy metal uptake at the soil-plant interphase: A review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 222:112510. [PMID: 34273846 DOI: 10.1016/j.ecoenv.2021.112510] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 05/28/2023]
Abstract
Silicon (Si) is the second richest element in the soil and surface of earth crust with a variety of positive roles in soils and plants. Different soil factors influence the Si bioavailability in soil-plant system. The Si involves in the mitigation of various biotic (insect pests and pathogenic diseases) and abiotic stresses (salt, drought, heat, and heavy metals etc.) in plants by improving plant tolerance mechanism at various levels. However, Si-mediated restrictions in heavy metals uptake and translocation from soil to plants and within plants require deep understandings. Recently, Si-based improvements in plant defense system, cell damage repair, cell homeostasis, and regulation of metabolism under heavy metal stress are getting more attention. However, limited knowledge is available on the molecular mechanisms by which Si can reduce the toxicity of heavy metals, their uptake and transfer from soil to plant roots. Thus, this review is focused the following facets in greater detail to provide better understandings about the role of Si at molecular level; (i) how Si improves tolerance in plants to variable environmental conditions, (ii) how biological factors affect Si pools in the soil (iii) how soil properties impact the release and capability of Si to decrease the bioavailability of heavy metals in soil and their accumulation in plant roots; (iv) how Si influences the plant root system with respect to heavy metals uptake or sequestration, root Fe/Mn plaque, root cell wall and compartment; (v) how Si makes complexes with heavy metals and restricts their translocation/transfer in root cell and influences the plant hormonal regulation; (vi) the competition of uptake between Si and heavy metals such as arsenic, aluminum, and cadmium due to similar membrane transporters, and (vii) how Si-mediated regulation of gene expression involves in the uptake, transportation and accumulation of heavy metals by plants and their possible detoxification mechanisms. Furthermore, future research work with respect to mitigation of heavy metal toxicity in plants is also discussed.
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Affiliation(s)
- Imran Khan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Samrah Afzal Awan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung 40402, Taiwan
| | - Muhammad Jawad Hassan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Marian Brestic
- Department of Plant Physiology, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Trieda A. Hlinku 2, 949 76 Nitra, Slovakia
| | - Xinquan Zhang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Linkai Huang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.
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16
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Zhang Y, Chen H, Liang Y, Lu T, Liu Z, Jin X, Hou L, Xu J, Zhao H, Shi Y, Ahammed GJ. Comparative transcriptomic and metabolomic analyses reveal the protective effects of silicon against low phosphorus stress in tomato plants. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 166:78-87. [PMID: 34090123 DOI: 10.1016/j.plaphy.2021.05.043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/25/2021] [Indexed: 05/11/2023]
Abstract
Phosphorus (P) is an essential nutrient controlling plant growth and development through the regulation of basic metabolic processes. Soil P deficiency is one of the major limiting factors for sustainable crop production worldwide. Previous studies have demonstrated that silicon (Si), as a beneficial element, promotes plant nutrition, growth, development, and responses to low P (LP) stress; however, the molecular mechanisms underlying Si-mediated LP tolerance remain largely unclear. Here, we found that LP + Si treatment increased the net photosynthetic rate and shoot fresh weight by 34.3%, and 121.3%, respectively compared with LP alone. RNA-sequencing and metabolomic analyses were subsequently performed with tomato plants grown under control and P depleted conditions with or without Si amendment. RNA-sequencing showed that Si supply alters not only the expression of genes involved in the metabolism of carbon (C), nitrogen (N), and P but also phosphorylation processes and metabolism of glutathione and reactive active oxygen in tomato roots. Si also affected the expression of genes encoding major transcription factors such as WRKY and MYB under LP stress. Moreover, a set of genes encoding the enzymes or regulators of organic acid (OA) metabolism or secretion were differentially expressed in Si-treated P deficient roots compared with those in LP stress alone. Furthermore, the metabolomic analysis showed that the levels of several OAs were significantly elevated in Si-treated P deficient roots. Taken together, these results indicate that exogenous Si increases the secretion of OAs by modulating C/N metabolism in LP-treated tomato roots and thereby improving plant growth under LP stress.
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Affiliation(s)
- Yi Zhang
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Haoting Chen
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Ying Liang
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Tao Lu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, 100081, Beijing, China
| | - Zhiqian Liu
- Agriculture Victoria Research, AgriBio, Centre for AgriBioscience, Bundoora, Victoria 3083, Australia
| | - Xiu Jin
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Leiping Hou
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Jin Xu
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Hailiang Zhao
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China
| | - Yu Shi
- College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China.
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, Henan, China.
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17
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Hoffmann J, Berni R, Sutera FM, Gutsch A, Hausman JF, Saffie-Siebert S, Guerriero G. The Effects of Salinity on the Anatomy and Gene Expression Patterns in Leaflets of Tomato cv. Micro-Tom. Genes (Basel) 2021; 12:genes12081165. [PMID: 34440339 PMCID: PMC8392013 DOI: 10.3390/genes12081165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 10/26/2022] Open
Abstract
Salinity is a form of abiotic stress that impacts growth and development in several economically relevant crops and is a top-ranking threat to agriculture, considering the average rise in the sea level caused by global warming. Tomato is moderately sensitive to salinity and shows adaptive mechanisms to this abiotic stressor. A case study on the dwarf tomato model Micro-Tom is here presented in which the response to salt stress (NaCl 200 mM) was investigated to shed light on the changes occurring at the expression level in genes involved in cell wall-related processes, phenylpropanoid pathway, stress response, volatiles' emission and secondary metabolites' production. In particular, the response was analyzed by sampling older/younger leaflets positioned at different stem heights (top and bottom of the stem) and locations along the rachis (terminal and lateral) with the goal of identifying the most responsive one(s). Tomato plants cv. Micro-Tom responded to increasing concentrations of NaCl (0-100-200-400 mM) by reducing the leaf biomass, stem diameter and height. Microscopy revealed stronger effects on leaves sampled at the bottom and the expression analysis identified clusters of genes expressed preferentially in older or younger leaflets. Stress-related genes displayed a stronger induction in lateral leaflets sampled at the bottom. In conclusion, in tomato cv. Micro-Tom subjected to salt stress, the bottom leaflets showed stronger stress signs and response, while top leaflets were less impacted by the abiotic stressor and had an increased expression of cell wall-related genes involved in expansion.
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Affiliation(s)
- Jonas Hoffmann
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, 5, rue Bommel, L-4940 Hautcharage, Luxembourg; (J.H.); (A.G.); (J.-F.H.)
| | - Roberto Berni
- TERRA Teaching and Research Center, Gembloux Agro-Bio Tech, University of Liège, 5030 Gembloux, Belgium;
| | - Flavia Maria Sutera
- SiSaf Ltd., Surrey Research Park, Guildford GU2 7RE, UK; (F.M.S.); (S.S.-S.)
| | - Annelie Gutsch
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, 5, rue Bommel, L-4940 Hautcharage, Luxembourg; (J.H.); (A.G.); (J.-F.H.)
| | - Jean-Francois Hausman
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, 5, rue Bommel, L-4940 Hautcharage, Luxembourg; (J.H.); (A.G.); (J.-F.H.)
| | | | - Gea Guerriero
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, 5, rue Bommel, L-4940 Hautcharage, Luxembourg; (J.H.); (A.G.); (J.-F.H.)
- Correspondence: ; Tel.: +352-27-5888-5096
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18
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Pavlovic J, Kostic L, Bosnic P, Kirkby EA, Nikolic M. Interactions of Silicon With Essential and Beneficial Elements in Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:697592. [PMID: 34249069 PMCID: PMC8261142 DOI: 10.3389/fpls.2021.697592] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/27/2021] [Indexed: 05/18/2023]
Abstract
Silicon (Si) is not classified as an essential element for plants, but numerous studies have demonstrated its beneficial effects in a variety of species and environmental conditions, including low nutrient availability. Application of Si shows the potential to increase nutrient availability in the rhizosphere and root uptake through complex mechanisms, which still remain unclear. Silicon-mediated transcriptional regulation of element transporters for both root acquisition and tissue homeostasis has recently been suggested as an important strategy, varying in detail depending on plant species and nutritional status. Here, we summarize evidence of Si-mediated acquisition, uptake and translocation of nutrients: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulfur (S), iron (Fe), zinc (Zn), manganese (Mn), copper (Cu), boron (B), chlorine (Cl), and nickel (Ni) under both deficiency and excess conditions. In addition, we discuss interactions of Si-with beneficial elements: aluminum (Al), sodium (Na), and selenium (Se). This review also highlights further research needed to improve understanding of Si-mediated acquisition and utilization of nutrients and vice versa nutrient status-mediated Si acquisition and transport, both processes which are of high importance for agronomic practice (e.g., reduced use of fertilizers and pesticides).
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Affiliation(s)
- Jelena Pavlovic
- Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia
| | - Ljiljana Kostic
- Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia
| | - Predrag Bosnic
- Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia
| | - Ernest A. Kirkby
- Faculty of Biological Sciences, Leeds University, Leeds, United Kingdom
| | - Miroslav Nikolic
- Institute for Multidisciplinary Research, University of Belgrade, Belgrade, Serbia
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Ranjan A, Sinha R, Bala M, Pareek A, Singla-Pareek SL, Singh AK. Silicon-mediated abiotic and biotic stress mitigation in plants: Underlying mechanisms and potential for stress resilient agriculture. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 163:15-25. [PMID: 33799014 DOI: 10.1016/j.plaphy.2021.03.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 03/16/2021] [Indexed: 05/21/2023]
Abstract
Silicon (Si) is a beneficial macronutrient for plants. The Si supplementation to growth media mitigates abiotic and biotic stresses by regulating several physiological, biochemical and molecular mechanisms. The uptake of Si from the soil by root cells and subsequent transport are facilitated by Lsi1 (Low silicon1) belonging to nodulin 26-like major intrinsic protein (NIP) subfamily of aquaporin protein family, and Lsi2 (Low silicon 2) belonging to putative anion transporters, respectively. The soluble Si in the cytosol enhances the production of jasmonic acid, enzymatic and non-enzymatic antioxidants, secondary metabolites and induces expression of genes in plants under stress conditions. Silicon has been found beneficial in conferring tolerance against biotic and abiotic stresses by scavenging the reactive oxygen species (ROS) and regulation of different metabolic pathways. In the present review, Si transporters identified in various plant species and mechanisms of Si-mediated abiotic and biotic stress tolerance have been presented. In addition, role of Si in regulating gene expression under various abiotic and biotic stresses as revealed by transcriptome level studies has been discussed. This provides a deeper understanding of various mechanisms of Si-mediated stress tolerance in plants and may help in devising strategies for stress resilient agriculture.
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Affiliation(s)
- Alok Ranjan
- School of Genetic Engineering, ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, 834010, India
| | - Ragini Sinha
- School of Genetic Engineering, ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, 834010, India
| | - Meenu Bala
- School of Genetic Engineering, ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, 834010, India
| | - Ashwani Pareek
- Stress Physiology and Molecular Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India; National Agri-Food Biotechnology Institute, Mohali, Punjab, 140306, India
| | - Sneh L Singla-Pareek
- Plant Stress Biology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.
| | - Anil Kumar Singh
- School of Genetic Engineering, ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, 834010, India.
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20
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Tripathi DK, Rai P, Guerriero G, Sharma S, Corpas FJ, Singh VP. Silicon induces adventitious root formation in rice under arsenate stress with involvement of nitric oxide and indole-3-acetic acid. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:4457-4471. [PMID: 33095869 DOI: 10.1093/jxb/eraa488] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 10/18/2020] [Indexed: 05/04/2023]
Abstract
Arsenic (As) negatively affects plant development. This study evaluates how the application of silicon (Si) can favor the formation of adventitious roots in rice under arsenate stress (AsV) as a mechanism to mitigate its negative effects. The simultaneous application of AsV and Si up-regulated the expression of genes involved in nitric oxide (NO) metabolism, cell cycle progression, auxin (IAA, indole-3-acetic acid) biosynthesis and transport, and Si uptake which accompanied adventitious root formation. Furthermore, Si triggered the expression and activity of enzymes involved in ascorbate recycling. Treatment with L-NAME (NG-nitro L-arginine methyl ester), an inhibitor of NO generation, significantly suppressed adventitious root formation, even in the presence of Si; however, supplying NO in the growth media rescued its effects. Our data suggest that both NO and IAA are essential for Si-mediated adventitious root formation under AsV stress. Interestingly, TIBA (2,3,5-triiodobenzoic acid), a polar auxin transport inhibitor, suppressed adventitious root formation even in the presence of Si and SNP (sodium nitroprusside, an NO donor), suggesting that Si is involved in a mechanism whereby a cellular signal is triggered and that first requires NO formation, followed by IAA biosynthesis.
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Affiliation(s)
- Durgesh Kumar Tripathi
- Amity Institute of Organic Agriculture (AIOA), Amity University, Noida, Noida, Uttar Pradesh
| | - Padmaja Rai
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, PrayagrajIndia
| | - Gea Guerriero
- Environmental Research and Innovation Department, Luxembourg Institute of Science and Technology, Hautcharage, Luxembourg
| | - Shivesh Sharma
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, PrayagrajIndia
| | - Francisco J Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Biochemistry and Cell and Molecular Biology of Plants, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), Profesor Albareda 1, Granada, Spain
| | - Vijay Pratap Singh
- Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, Allahabad-211002, India
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Jiménez-Arias D, García-Machado FJ, Morales-Sierra S, García-García AL, Herrera AJ, Valdés F, Luis JC, Borges AA. A Beginner's Guide to Osmoprotection by Biostimulants. PLANTS (BASEL, SWITZERLAND) 2021; 10:363. [PMID: 33668668 PMCID: PMC7917748 DOI: 10.3390/plants10020363] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 05/04/2023]
Abstract
Water is indispensable for the life of any organism on Earth. Consequently, osmotic stress due to salinity and drought is the greatest threat to crop productivity. Ongoing climate change includes rising temperatures and less precipitation over large areas of the planet. This is leading to increased vulnerability to the drought conditions that habitually threaten food security in many countries. Such a scenario poses a daunting challenge for scientists: the search for innovative solutions to save water and cultivate under water deficit. A search for formulations including biostimulants capable of improving tolerance to this stress is a promising specific approach. This review updates the most recent state of the art in the field.
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Affiliation(s)
- David Jiménez-Arias
- Chemical Plant Defence Activators Group, Department of Agrobiology, IPNA-CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain; (F.J.G.-M.); (A.L.G.-G.); (A.J.H.)
| | - Francisco J. García-Machado
- Chemical Plant Defence Activators Group, Department of Agrobiology, IPNA-CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain; (F.J.G.-M.); (A.L.G.-G.); (A.J.H.)
- Applied Plant Biology Group (GBVA), Department of Botany, Ecology and Plant Physiology–Faculty of Pharmacy, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Tenerife, Canary Islands, Spain; (S.M.-S.); (F.V.); (J.C.L.)
| | - Sarai Morales-Sierra
- Applied Plant Biology Group (GBVA), Department of Botany, Ecology and Plant Physiology–Faculty of Pharmacy, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Tenerife, Canary Islands, Spain; (S.M.-S.); (F.V.); (J.C.L.)
| | - Ana L. García-García
- Chemical Plant Defence Activators Group, Department of Agrobiology, IPNA-CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain; (F.J.G.-M.); (A.L.G.-G.); (A.J.H.)
- Applied Plant Biology Group (GBVA), Department of Botany, Ecology and Plant Physiology–Faculty of Pharmacy, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Tenerife, Canary Islands, Spain; (S.M.-S.); (F.V.); (J.C.L.)
| | - Antonio J. Herrera
- Chemical Plant Defence Activators Group, Department of Agrobiology, IPNA-CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain; (F.J.G.-M.); (A.L.G.-G.); (A.J.H.)
| | - Francisco Valdés
- Applied Plant Biology Group (GBVA), Department of Botany, Ecology and Plant Physiology–Faculty of Pharmacy, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Tenerife, Canary Islands, Spain; (S.M.-S.); (F.V.); (J.C.L.)
| | - Juan C. Luis
- Applied Plant Biology Group (GBVA), Department of Botany, Ecology and Plant Physiology–Faculty of Pharmacy, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Tenerife, Canary Islands, Spain; (S.M.-S.); (F.V.); (J.C.L.)
| | - Andrés A. Borges
- Chemical Plant Defence Activators Group, Department of Agrobiology, IPNA-CSIC, Avda. Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Canary Islands, Spain; (F.J.G.-M.); (A.L.G.-G.); (A.J.H.)
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Younas HS, Abid M, Shaaban M, Ashraf M. Influence of silicon and chitosan on growth and physiological attributes of maize in a saline field. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:387-397. [PMID: 33707876 PMCID: PMC7907294 DOI: 10.1007/s12298-021-00940-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 01/20/2021] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
Soil salinity is the main constraint for crop productivity in many parts of the world. Application of silicon (Si) and chitosan (Chi) can improve crop growth under saline soil conditions. The current study was aimed to examine the effects of Si and Chi on mitigation of salinity, morphological and physiological attributes as well as the antioxidant system of maize (Zea mays L.) under saline soil conditions. A field experiment was conducted that comprised of nine treatments as follows: (i) Control (no amendment), (ii) Silicon 40 kg ha-1 (Si1), (iii) Chitosan 15 kg ha-1 (Chi1), (iv) Si1 + Chi1, (v) Silicon 80 kg ha-1 (Si2), (vi) Chitosan 30 kg ha-1 (Chi2), (vii) Si2 + Chi2, (viii) Si1 + Chi2 and (ix) Si2 + Chi1. Application of Si and Chi substantially improved the morphological and physiological attributes as well as antioxidant enzymes such as superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) of maize plants, and combined application of Si and Chi was more effective when compared with Si and Chi treatments separately. Membrane stability index was improved by 25%, relative water content by 26%, chlorophyll a by 69% and b by 56% with combined application of Si and chitosan (Si2 + Chi2) compared with control. The SOD, POD and CAT increased by 36%, 38% and 65% with Si2 + Chi2 compared with control. The results suggest that Si and Chi application is the possible option for alleviating salinity stress in maize plant. Further research is suggested to examine Si and Chi effects on various crop's growth.
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Affiliation(s)
- Hafiza Samra Younas
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan, Multan, Pakistan
| | - Muhammad Abid
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan, Multan, Pakistan
| | - Muhammad Shaaban
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan, Multan, Pakistan
| | - Muhammad Ashraf
- Department of Soil Science, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University Multan, Multan, Pakistan
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