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Vera-Maldonado P, Aquea F, Reyes-Díaz M, Cárcamo-Fincheira P, Soto-Cerda B, Nunes-Nesi A, Inostroza-Blancheteau C. Role of boron and its interaction with other elements in plants. FRONTIERS IN PLANT SCIENCE 2024; 15:1332459. [PMID: 38410729 PMCID: PMC10895714 DOI: 10.3389/fpls.2024.1332459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/03/2024] [Indexed: 02/28/2024]
Abstract
Boron (B) is an essential microelement for plants, and its deficiency can lead to impaired development and function. Around 50% of arable land in the world is acidic, and low pH in the soil solution decreases availability of several essential mineral elements, including B, magnesium (Mg), calcium (Ca), and potassium (K). Plants take up soil B in the form of boric acid (H3BO3) in acidic soil or tetrahydroxy borate [B(OH)4]- at neutral or alkaline pH. Boron can participate directly or indirectly in plant metabolism, including in the synthesis of the cell wall and plasma membrane, in carbohydrate and protein metabolism, and in the formation of ribonucleic acid (RNA). In addition, B interacts with other nutrients such as Ca, nitrogen (N), phosphorus (P), K, and zinc (Zn). In this review, we discuss the mechanisms of B uptake, absorption, and accumulation and its interactions with other elements, and how it contributes to the adaptation of plants to different environmental conditions. We also discuss potential B-mediated networks at the physiological and molecular levels involved in plant growth and development.
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Affiliation(s)
- Peter Vera-Maldonado
- Programa de Doctorado en Ciencias Agropecuarias, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
| | - Felipe Aquea
- Laboratorio de Bioingeniería, Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Marjorie Reyes-Díaz
- Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Paz Cárcamo-Fincheira
- Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - Braulio Soto-Cerda
- Laboratorio de Fisiología y Biotecnología Vegetal, Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
- Nucleo de Investigación en Producción Alimentaria, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
| | - Adriano Nunes-Nesi
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, Brazil
| | - Claudio Inostroza-Blancheteau
- Laboratorio de Fisiología y Biotecnología Vegetal, Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
- Nucleo de Investigación en Producción Alimentaria, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
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Aluminum accumulation in Amaranthus species and mechanisms of Al tolerance. Biologia (Bratisl) 2023. [DOI: 10.1007/s11756-023-01348-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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Silicon- and Boron-Induced Physio-Biochemical Alteration and Organic Acid Regulation Mitigates Aluminum Phytotoxicity in Date Palm Seedlings. Antioxidants (Basel) 2022; 11:antiox11061063. [PMID: 35739959 PMCID: PMC9219922 DOI: 10.3390/antiox11061063] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/22/2022] [Accepted: 05/24/2022] [Indexed: 01/04/2023] Open
Abstract
The current study aimed to understand the synergistic impacts of silicon (Si; 1.0 mM) and boron (B; 10 µM) application on modulating physio-molecular responses of date palm to mitigate aluminum (Al3+; 2.0 mM) toxicity. Results revealed that compared to sole Si and B treatments, a combined application significantly improved plant growth, biomass, and photosynthetic pigments during Al toxicity. Interestingly, Si and B resulted in significantly higher exudation of organic acid (malic acids, citric acids, and acetic acid) in the plant’s rhizosphere. This is also correlated with the reduced accumulation and translocation of Al in roots (60%) and shoots (56%) in Si and B treatments during Al toxicity compared to in sole Al3+ treatment. The activation of organic acids by combined Si + B application has significantly regulated the ALMT1, ALMT2 and plasma membrane ATPase; PMMA1 and PMMA3 in roots and shoots. Further, the Si-related transporter Lsi2 gene was upregulated by Si + B application under Al toxicity. This was also validated by the higher uptake and translocation of Si in plants. Al-induced oxidative stress was significantly counteracted by exhibiting lower malondialdehyde and superoxide production in Si + B treatments. Experiencing less oxidative stress was evident from upregulation of CAT and Cyt-Cu/Zn SOD expression; hence, enzymatic activities such as polyphenol oxidase, catalase, peroxidase, and ascorbate peroxidase were significantly activated. In the case of endogenous phytohormones, Si + B application demonstrated the downregulation of the abscisic acid (ABA; NCED1 and NCED6) and salicylic acid (SA; PYL4, PYR1) biosynthesis-related genes. Consequently, we also noticed a lower accumulation of ABA and rising SA levels under Al-stress. The current findings illustrate that the synergistic Si + B application could be an effective strategy for date palm growth and productivity against Al stress and could be further extended in field trails in Al-contaminated fields.
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Yang LT, Pan JF, Hu NJ, Chen HH, Jiang HX, Lu YB, Chen LS. Citrus Physiological and Molecular Response to Boron Stresses. PLANTS (BASEL, SWITZERLAND) 2021; 11:40. [PMID: 35009043 PMCID: PMC8747704 DOI: 10.3390/plants11010040] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
Since the essentiality of boron (B) to plant growth was reported nearly one century ago, the implication of B in physiological performance, productivity and quality of agricultural products, and the morphogenesis of apical meristem in plants has widely been studied. B stresses (B deficiency and toxicity), which lead to atrophy of canopy and deterioration of Citrus fruits, have long been discovered in citrus orchards. This paper reviews the research progress of B stresses on Citrus growth, photosynthesis, light use efficiency, nutrient absorption, organic acid metabolism, sugar metabolism and relocation, and antioxidant system. Moreover, the beneficial effects of B on plant stress tolerance and further research in this area were also discussed.
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Affiliation(s)
- Lin-Tong Yang
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
| | - Jun-Feng Pan
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
| | - Neng-Jing Hu
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
| | - Huan-Huan Chen
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
| | - Huan-Xin Jiang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Yi-Bin Lu
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
| | - Li-Song Chen
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (L.-T.Y.); (J.-F.P.); (N.-J.H.); (H.-H.C.); (Y.-B.L.)
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Lannes LS, Olde Venterink H, Leite MR, Silva JN, Oberhofer M. Boron application increases growth of Brazilian Cerrado grasses. Ecol Evol 2020; 10:6364-6372. [PMID: 32724518 PMCID: PMC7381560 DOI: 10.1002/ece3.6367] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/16/2020] [Accepted: 04/21/2020] [Indexed: 12/27/2022] Open
Abstract
Nutrients are known to limit productivity of plant communities around the world. In the Brazilian Cerrado, indirect evidences point to phosphorus as the main limiting nutrient, but some fertilization experiments suggest that one or more micronutrients might play this role. Boron is one of the essential micronutrients for plants. Agronomically, it received some attention, but it has mostly been neglected in ecological studies assessing the effects of nutrients on plant growth. Through field fertilization and mesocosm experiments in a degraded area in the Cerrado, we show that boron addition increased biomass production of herbaceous vegetation. This could be related to a lower aluminum uptake in the boron fertilized plants. Even considering that plant growth was promoted by boron addition due to aluminum toxicity alleviation, this is the first study reporting boron limitation in natural, noncultivated plant communities and also the first report of this kind in vegetative grasses. These results contribute to disentangling patterns of nutrient limitation among plant species of the species-rich, aluminum-rich, and nutrient-poor Cerrado biome and highlight the potential role of micronutrients, such as boron, for growth of noncrop plants. Understanding how nutrient limitation differs among functional groups in the highly biodiverse areas founded on ancient tropical soils may help managing these plant communities in a changing world.
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Affiliation(s)
- Luciola Santos Lannes
- Department of Biology and Animal SciencesState University of São Paulo (UNESP)Ilha SolteiraBrazil
| | | | - Matheus Roberto Leite
- Department of Biology and Animal SciencesState University of São Paulo (UNESP)Ilha SolteiraBrazil
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Sun X, Li H, Thapa S, Reddy Sangireddy S, Pei X, Liu W, Jiang Y, Yang S, Hui D, Bhatti S, Zhou S, Yang Y, Fish T, Thannhauser TW. Al-induced proteomics changes in tomato plants over-expressing a glyoxalase I gene. HORTICULTURE RESEARCH 2020; 7:43. [PMID: 32257229 PMCID: PMC7109090 DOI: 10.1038/s41438-020-0264-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 02/12/2020] [Indexed: 06/11/2023]
Abstract
Glyoxalase I (Gly I) is the first enzyme in the glutathionine-dependent glyoxalase pathway for detoxification of methylglyoxal (MG) under stress conditions. Transgenic tomato 'Money Maker' plants overexpressing tomato SlGlyI gene (tomato unigene accession SGN-U582631/Solyc09g082120.3.1) were generated and homozygous lines were obtained after four generations of self-pollination. In this study, SlGlyI-overepxressing line (GlyI), wild type (WT, negative control) and plants transformed with empty vector (ECtr, positive control), were subjected to Al-treatment by growing in Magnavaca's nutrient solution (pH 4.5) supplemented with 20 µM Al3+ ion activity. After 30 days of treatments, the fresh and dry weight of shoots and roots of plants from Al-treated conditions decreased significantly compared to the non-treated conditions for all the three lines. When compared across the three lines, root fresh and dry weight of GlyI was significant higher than WT and ECtr, whereas there was no difference in shoot tissues. The basal 5 mm root-tips of GlyI plants expressed a significantly higher level of glyoxalase activity under both non-Al-treated and Al-treated conditions compared to the two control lines. Under Al-treated condition, there was a significant increase in MG content in ECtr and WT lines, but not in GlyI line. Quantitative proteomics analysis using tandem mass tags mass spectrometry identified 4080 quantifiable proteins and 201 Al-induced differentially expressed proteins (DEPs) in root-tip tissues from GlyI, and 4273 proteins and 230 DEPs from ECtr. The Al-down-regulated DEPs were classified into molecular pathways of gene transcription, RNA splicing and protein biosynthesis in both GlyI and ECtr lines. The Al-induced DEPs in GlyI associated with tolerance to Al3+ and MG toxicity are involved in callose degradation, cell wall components (xylan acetylation and pectin degradation), oxidative stress (antioxidants) and turnover of Al-damaged epidermal cells, repair of damaged DNA, epigenetics, gene transcription, and protein translation. A protein-protein association network was constructed to aid the selection of proteins in the same pathway but differentially regulated in GlyI or ECtr lines. Proteomics data are available via ProteomeXchange with identifiers PXD009456 under project title '25Dec2017_Suping_XSexp2_ITAG3.2' for SlGlyI-overexpressing tomato plants and PXD009848 under project title '25Dec2017_Suping_XSexp3_ITAG3.2' for positive control ECtr line transformed with empty vector.
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Affiliation(s)
- Xudong Sun
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
- College of Horticulture, Shandong Agricultural University, Taian, Shandong P.R. China
| | - Hui Li
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Santosh Thapa
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Sasikiran Reddy Sangireddy
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Xiaobo Pei
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Wei Liu
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Yuping Jiang
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Shaolan Yang
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Dafeng Hui
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Sarabjit Bhatti
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Suping Zhou
- Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, 3500 John A Merritt Blvd, Nashville, TN 37209 USA
| | - Yong Yang
- R.W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Tara Fish
- R.W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
| | - Theodore W. Thannhauser
- R.W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY 14853 USA
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Huang WL, Wu FL, Huang HY, Huang WT, Deng CL, Yang LT, Huang ZR, Chen LS. Excess Copper-Induced Alterations of Protein Profiles and Related Physiological Parameters in Citrus Leaves. PLANTS (BASEL, SWITZERLAND) 2020; 9:E291. [PMID: 32121140 PMCID: PMC7154894 DOI: 10.3390/plants9030291] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 02/23/2020] [Accepted: 02/24/2020] [Indexed: 01/31/2023]
Abstract
This present study examined excess copper (Cu) effects on seedling growth, leaf Cu concentration, gas exchange, and protein profiles identified by a two-dimensional electrophoresis (2-DE) based mass spectrometry (MS) approach after Citrus sinensis and Citrus grandis seedlings were treated for six months with 0.5 (control), 200, 300, or 400 μM CuCl2. Forty-one and 37 differentially abundant protein (DAP) spots were identified in Cu-treated C. grandis and C. sinensis leaves, respectively, including some novel DAPs that were not reported in leaves and/or roots. Most of these DAPs were identified only in C. grandis or C. sinensis leaves. More DAPs increased in abundances than DAPs decreased in abundances were observed in Cu-treated C. grandis leaves, but the opposite was true in Cu-treated C. sinensis leaves. Over 50% of DAPs were associated with photosynthesis, carbohydrate, and energy metabolism. Cu-toxicity-induced reduction in leaf CO2 assimilation might be caused by decreased abundances of proteins related to photosynthetic electron transport chain (PETC) and CO2 assimilation. Cu-effects on PETC were more pronounced in C. sinensis leaves than in C. grandis leaves. DAPs related to antioxidation and detoxification, protein folding and assembly (viz., chaperones and folding catalysts), and signal transduction might be involved in Citrus Cu-toxicity and Cu-tolerance.
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Affiliation(s)
- Wei-Lin Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
| | - Feng-Lin Wu
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
| | - Hui-Yu Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
| | - Wei-Tao Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
| | - Chong-Ling Deng
- Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin 541004, China; (C.-L.D.); (Z.-R.H.)
| | - Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
| | - Zeng-Rong Huang
- Guangxi Key Laboratory of Citrus Biology, Guangxi Academy of Specialty Crops, Guilin 541004, China; (C.-L.D.); (Z.-R.H.)
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (W.-L.H.); (F.-L.W.); (H.-Y.H.); (W.-T.H.); (L.-T.Y.)
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- The Higher Education Key Laboratory of Fujian Province for Soil Ecosystem Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Rastogi S, Shah S, Kumar R, Vashisth D, Akhtar MQ, Kumar A, Dwivedi UN, Shasany AK. Ocimum metabolomics in response to abiotic stresses: Cold, flood, drought and salinity. PLoS One 2019; 14:e0210903. [PMID: 30726239 PMCID: PMC6364901 DOI: 10.1371/journal.pone.0210903] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/03/2019] [Indexed: 11/19/2022] Open
Abstract
Ocimum tenuiflorum is a widely used medicinal plant since ancient times and still continues to be irreplaceable due to its properties. The plant has been explored chemically and pharmacologically, however, the molecular studies have been started lately. In an attempt to get a comprehensive overview of the abiotic stress response in O. tenuiflorum, de novo transcriptome sequencing of plant leaves under the cold, drought, flood and salinity stresses was carried out. A comparative differential gene expression (DGE) study was carried out between the common transcripts in each stress with respect to the control. KEGG pathway analysis and gene ontology (GO) enrichment studies exhibited several modifications in metabolic pathways as the result of four abiotic stresses. Besides this, a comparative metabolite profiling of stress and control samples was performed. Among the cold, drought, flood and salinity stresses, the plant was most susceptible to the cold stress. Severe treatments of all these abiotic stresses also decreased eugenol which is the main secondary metabolite present in the O. tenuiflorum plant. This investigation presents a comprehensive analysis of the abiotic stress effects in O. tenuiflorum. Current study provides an insight to the status of pathway genes’ expression that help synthesizing economically valuable phenylpropanoids and terpenoids related to the adaptation of the plant. This study identified several putative abiotic stress tolerant genes which can be utilized to either breed stress tolerant O. tenuiflorum through pyramiding or generating transgenic plants.
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Affiliation(s)
- Shubhra Rastogi
- Department of Biochemistry, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Saumya Shah
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
| | - Ritesh Kumar
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
| | - Divya Vashisth
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
| | - Md Qussen Akhtar
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
| | - Ajay Kumar
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
| | - Upendra Nath Dwivedi
- Department of Biochemistry, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Ajit Kumar Shasany
- Biotechnology Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, Uttar Pradesh, India
- * E-mail:
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Riaz M, Yan L, Wu X, Hussain S, Aziz O, Jiang C. Mechanisms of organic acids and boron induced tolerance of aluminum toxicity: A review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 165:25-35. [PMID: 30173023 DOI: 10.1016/j.ecoenv.2018.08.087] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 08/16/2018] [Accepted: 08/23/2018] [Indexed: 05/24/2023]
Abstract
Aluminum is a major limiting abiotic factor for plant growth and productivity on acidic soils. The primary disorder of aluminum toxicity is the rapid cessation of root elongation. The root apex is the most sensitive part of this organ. Although significant literature evidence and hypothesis exist on aluminum toxicity, the explicit mechanism through which aluminum ceases root growth is still indefinable. The mechanisms of tolerance in plants have been the focus of intense research. Some plant species growing on acidic soils have developed tolerance mechanisms to overcome and mitigate aluminum toxicity, either by avoiding entry of Al3+ into roots (exclusion mechanism) or by being able to counterbalance toxic Al3+ engrossed by the root system (internal tolerance mechanism). Genes belonging to ALMT (Aluminum-activated malate transporter) and MATE (Multidrug and toxin compounds extrusion) have been identified that are involved in the aluminum-activated secretion of organic acids from roots. However, different plant species show different gene expression pattern. On the other hand, boron (B) (indispensable micronutrient) is a promising nutrient in the tolerance to aluminum toxicity. It not only hinders the adsorption of aluminum to the cell wall but also improves plant growth. This review mainly explains the critical roles of organic acid and B-induced tolerance to aluminum by summarizing the mechanisms of ALMT, MATE, internal detoxification, molecular traits and genetic engineering of crops.
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Affiliation(s)
- Muhammad Riaz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Xiuwen Wu
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Saddam Hussain
- Department of Agronomy, University of Agriculture Faisalabad, 38040 Punjab, Pakistan
| | - Omar Aziz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
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Riaz M, Yan L, Wu X, Hussain S, Aziz O, Jiang C. Boron increases root elongation by reducing aluminum induced disorganized distribution of HG epitopes and alterations in subcellular cell wall structure of trifoliate orange roots. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 165:202-210. [PMID: 30196002 DOI: 10.1016/j.ecoenv.2018.09.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/27/2018] [Accepted: 09/01/2018] [Indexed: 05/11/2023]
Abstract
Aluminum toxicity limits the plant growth by inducing inhibition of root elongation. Although several mechanisms have been proposed regarding the phytotoxic effects of aluminum on inhibition of root elongation; the primary causes of aluminum induced root inhibition and its mitigation by boron (B) are still elusive. The present study was carried out to explore the mechanisms of B induced mitigation of aluminum toxicity and to investigate the changes in well wall structure under aluminum toxicity coupled with the techniques of confocal laser microscope, lumogallion and transmission electron microscope. The results revealed that aluminum toxicity severely hampered the root elongation and plant biomass. Moreover, alteration in subcellular structure were observed under aluminum toxicity, however, such negative effects were further exacerbated with B deficiency. Aluminum toxicity indicated disorganized distribution of HG (homogalacturonan) epitopes with higher accumulation of apoplastic aluminum. Nevertheless, B supply improved root elongation, and reduced the aluminum uptake. Taken together, it is concluded that B application can reduce aluminum toxicity and improve root elongation by decreasing Al3+ accumulation to cell wall, alteration in the cell wall structure and reducing the distribution of HG epitopes in the roots of trifoliate (Poncirus trifoliate) orange.
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Affiliation(s)
- Muhammad Riaz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Xiuwen Wu
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Saddam Hussain
- Department of Agronomy, University of Agriculture Faisalabad, 38040 Punjab, Pakistan
| | - Omar Aziz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
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Yang LT, Liu JW, Wu YM, Qi YP, Wang JL, Lai NW, Ye X, Chen LS. Proteome profile analysis of boron-induced alleviation of aluminum-toxicity in Citrus grandis roots. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 162:488-498. [PMID: 30015195 DOI: 10.1016/j.ecoenv.2018.07.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 07/02/2018] [Accepted: 07/08/2018] [Indexed: 05/25/2023]
Abstract
Aluminum (Al)-toxicity and boron (B)-deficiency are two major factors limiting crop production in tropical and subtropical areas. Elevating B supply can alleviate the Al-induced inhibition of growth in Citrus grandis. Seedlings of C. grandis were irrigated for 18 weeks with nutrient solutions containing two B levels (2.5 and 20 μM H3BO3) and two Al levels (0 and 1.2 mM AlCl3·6H2O). By using 2-dimensional electrophoresis (2-DE) based MALDI-TOF/TOF-MS method, this study successfully identified and quantified sixty-one differentially abundant proteins in Citrus roots in response to B-Al interactions. The mechanisms underlying the B-induced alleviation of Al-toxicity unveiled by 2-DE technique could be summarized as follows: a) remodeling of cell wall by reducing the synthesis of lignin (sugar ATP Binding Cassette (ABC) transporter ATPase and cinnamyl alcohol dehydrogenase) and increasing the modification of cell wall (UDP-forming); b) enhancing the abundances of proteasomes and turnover of dysfunctional proteins (proteasome or protease); c) increasing the abundance of stress response proteins, such as alcohol dehydrogenase, S-adenosylmethionine synthetase (SAMS) and glycosyl hydrolase; d) reinforcing cellular biological regulation and signal transduction (calreticulin-1). For the first time, some proteins, such as cell division protein 48 (CDC48), calreticulin and phospholipase, which might be involved in the downstream signaling of Al in Citrus plants, were successfully identified.
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Affiliation(s)
- Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jing-Wen Liu
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Agricultural Bureau of Tianmen City, Tianmen 431700, China
| | - Yan-Mei Wu
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi-Ping Qi
- Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou 350001, China
| | - Jin-Ling Wang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ning-Wei Lai
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xin Ye
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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12
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Rahman MA, Lee SH, Ji HC, Kabir AH, Jones CS, Lee KW. Importance of Mineral Nutrition for Mitigating Aluminum Toxicity in Plants on Acidic Soils: Current Status and Opportunities. Int J Mol Sci 2018; 19:E3073. [PMID: 30297682 PMCID: PMC6213855 DOI: 10.3390/ijms19103073] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/27/2018] [Accepted: 09/28/2018] [Indexed: 01/24/2023] Open
Abstract
Aluminum (Al) toxicity is one of the major limitations that inhibit plant growth and development in acidic soils. In acidic soils (pH < 5.0), phototoxic-aluminum (Al3+) rapidly inhibits root growth, and subsequently affects water and nutrient uptake in plants. This review updates the existing knowledge concerning the role of mineral nutrition for alleviating Al toxicity in plants to acid soils. Here, we explored phosphorus (P) is more beneficial in plants under P-deficient, and Al toxic conditions. Exogenous P addition increased root respiration, plant growth, chlorophyll content, and dry matter yield. Calcium (Ca) amendment (liming) is effective for correcting soil acidity, and for alleviating Al toxicity. Magnesium (Mg) is able to prevent Al migration through the cytosolic plasma membrane in root tips. Sulfur (S) is recognized as a versatile element that alleviates several metals toxicity including Al. Moreover, silicon (Si), and other components such as industrial byproducts, hormones, organic acids, polyamines, biofertilizers, and biochars played promising roles for mitigating Al toxicity in plants. Furthermore, this review provides a comprehensive understanding of several new methods and low-cost effective strategies relevant to the exogenous application of mineral nutrition on Al toxicity mitigation. This information would be effective for further improvement of crop plants in acid soils.
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Affiliation(s)
- Md Atikur Rahman
- Molecular Breeding Laboratory, Grassland and Forages Division, National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
| | - Sang-Hoon Lee
- Molecular Breeding Laboratory, Grassland and Forages Division, National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
| | - Hee Chung Ji
- Molecular Breeding Laboratory, Grassland and Forages Division, National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
| | - Ahmad Humayan Kabir
- Molecular Plant Physiology Laboratory, Department of Botany, University of Rajshahi, Rajshahi 6205, Bangladesh.
| | - Chris Stephen Jones
- Feed and Forage Biosciences, International Livestock Research Institute, P.O. Box 5689, Addis Ababa, Ethiopia.
| | - Ki-Won Lee
- Molecular Breeding Laboratory, Grassland and Forages Division, National Institute of Animal Science, Rural Development Administration, Cheonan 31000, Korea.
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13
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Guo P, Qi YP, Huang WL, Yang LT, Huang ZR, Lai NW, Chen LS. Aluminum-responsive genes revealed by RNA-Seq and related physiological responses in leaves of two Citrus species with contrasting aluminum-tolerance. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 158:213-222. [PMID: 29704792 DOI: 10.1016/j.ecoenv.2018.04.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 04/16/2018] [Accepted: 04/18/2018] [Indexed: 05/25/2023]
Abstract
Little is known about the physiological and molecular responses of leaves to aluminum (Al)-toxicity. Seedlings of Al-intolerant Citrus grandis and Al-tolerant Citrus sinensis were supplied daily with nutrient solution containing 0 mM (control) and 1.0 mM (Al-toxicity) AlCl3·6H2O for 18 weeks. We found that Al-treatment only decreased CO2 assimilation in C. grandis leaves, and that the Al-induced alterations of gene expression profiles were less in C. sinensis leaves than those in C. grandis leaves, indicating that C. sinensis seedlings were more tolerant to Al-toxicity than C. grandis ones. Al concentration was similar between Al-treated C. sinensis and C. grandis roots, but it was higher in Al-treated C. grandis stems and leaves than that in Al-treated C. sinensis stems and leaves. Al-treated C. sinensis seedlings accumulated relatively more Al in roots and transported relatively little Al to shoots. This might be responsible for the higher Al-tolerance of C. sinensis. Further analysis showed that the following several aspects might account for the higher Al-tolerance of C. sinensis, including: (a) Al-treated C. sinensis leaves had higher capacity to maintain the homeostasis of energy and phosphate, the stability of lipid composition and the integrity of cell wall than did Al-treated C. grandis leaves; (b) Al-triggered production of reactive oxygen species (ROS) and the other cytotoxic compounds was less in Al-treated C. sinensis leaves than that in Al-treated C. grandis leaves, because Al-toxicity decreased CO2 assimilation only in C. grandis leaves; accordingly, more upregulated genes involved in the detoxifications of ROS, aldehydes and methylglyoxal were identified in Al-treated C. grandis leaves; in addition, flavonoid concentration was increased only in Al-treated C. grandis leaves; (c) Al-treated C. sinensis leaves could keep a better balance between protein phosphorylation and dephosphorylation than did Al-treated C. grandis leaves; and (d) both the equilibrium of hormones and hormone-mediated signal transduction were greatly disrupted in Al-treated C. grandis leaves, but less altered in Al-treated C. sinensis leaves. Finally, we discussed the differences in Al-responsive genes between Citrus roots and leaves.
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Affiliation(s)
- Peng Guo
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yi-Ping Qi
- Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou 350001, China
| | - Wei-Lin Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zeng-Rong Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ning-Wei Lai
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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14
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Riaz M, Yan L, Wu X, Hussain S, Aziz O, Imran M, Rana MS, Jiang C. Boron reduces aluminum-induced growth inhibition, oxidative damage and alterations in the cell wall components in the roots of trifoliate orange. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 153:107-115. [PMID: 29425841 DOI: 10.1016/j.ecoenv.2018.02.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 01/29/2018] [Accepted: 02/02/2018] [Indexed: 05/29/2023]
Abstract
Aluminum (Al) toxicity is a major restriction for crops production on acidic soils. The primary symptom of aluminum toxicity is visible in the roots of plants. Recently, several studies reported the alleviation of Al toxicity by the application of Boron (B), however, the information how B alleviates Al toxicity is not well understood. Thus, we investigated the ameliorative response of B on Al-induced growth inhibition, oxidative damages, and variations in the cell wall components in trifoliate orange roots. The results indicated that plants under Al stress experienced a substantial decrement in root length and overall plant growth. The supply of B improved the root elongation by eliminating oxidative stress, membrane peroxidation, membrane leakage, and cell death produced under Al toxicity. Moreover, accumulation of Al on the cell wall and alteration in the cell wall components might be one of the causes resulting in the quick inhibition of root elongation under B-starvation circumstances by providing susceptible negative charges on pectin matrix for binding of Al. The results provide a useful understanding of the insight into mechanisms of B-induced mitigation of Al toxicity especially in the trifoliate orange that might be helpful in the production of crops on acidic soils.
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Affiliation(s)
- Muhammad Riaz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Lei Yan
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Xiuwen Wu
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Saddam Hussain
- Department of Agronomy, University of Agriculture Faisalabad, 38040 Punjab, Pakistan
| | - Omar Aziz
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Muhammad Imran
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Muhammad Shoaib Rana
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
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15
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Guo P, Li Q, Qi YP, Yang LT, Ye X, Chen HH, Chen LS. Sulfur-Mediated-Alleviation of Aluminum-Toxicity in Citrus grandis Seedlings. Int J Mol Sci 2017; 18:E2570. [PMID: 29207499 PMCID: PMC5751173 DOI: 10.3390/ijms18122570] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 11/25/2017] [Accepted: 11/26/2017] [Indexed: 12/23/2022] Open
Abstract
Limited data are available on the sulfur (S)-mediated-alleviation of aluminum (Al)-toxicity in higher plants. Citrus grandis seedlings were irrigated for 18 weeks with 0.5 mM MgSO₄ or 0.5 mM MgSO₄ + 0.5 mM Na₂SO₄, and 0 (-Al) or 1 mM AlCl₃·6H₂O (+Al, Al-toxicity). Under Al-toxicity, S decreased the level of Al in leaves; increased the relative water content (RWC) of roots and leaves, the contents of phosphorus (P), calcium (Ca) and magnesium (Mg) per plant, the dry weights (DW) of roots and shoots, the ratios of root DW/shoot DW, and the Al-induced secretion of citrate from root; and alleviated the Al-induced inhibition of photosynthesis via mitigating the Al-induced decrease of electron transport capacity resulting from the impaired photosynthetic electron transport chain. In addition to decreasing the Al-stimulated H₂O₂ production, the S-induced upregulation of both S metabolism-related enzymes and antioxidant enzymes also contributed to the S-mediated-alleviation of oxidative damage in Al-treated roots and leaves. Decreased transport of Al from roots to shoots and relatively little accumulation of Al in leaves, and increased leaf and root RWC and P, Ca, and Mg contents per plant might also play a role in the S-mediated-alleviation of Al-toxicity.
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Affiliation(s)
- Peng Guo
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
| | - Qiang Li
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
| | - Yi-Ping Qi
- Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou 350002, China.
| | - Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
| | - Xin Ye
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
| | - Huan-Huan Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University (FAFU), Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, FAFU, Fuzhou 350002, China.
- The Higher Education Key Laboratory of Fujian Province for Soil Ecosystem Health and Regulation, College of Resources and Environment, FAFU, Fuzhou 350002, China.
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16
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Wu X, Riaz M, Yan L, Du C, Liu Y, Jiang C. Boron Deficiency in Trifoliate Orange Induces Changes in Pectin Composition and Architecture of Components in Root Cell Walls. FRONTIERS IN PLANT SCIENCE 2017; 8:1882. [PMID: 29167675 PMCID: PMC5682329 DOI: 10.3389/fpls.2017.01882] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 10/17/2017] [Indexed: 05/23/2023]
Abstract
Boron (B) is a micronutrient indispensable for citrus and B deficiency causes a considerable loss of productivity and quality in China. However, studies on pectin composition and architecture of cell wall components in trifoliate orange roots under B deficiency condition are not sufficient. In this study, we investigated the alteration in pectin characteristics and the architecture of cell wall components in trifoliate orange [Poncirus trifoliata (L.) Raf.] roots under B starvation. The results showed that B-deficient roots resulted in a significant enlargement of root tips and an obvious decrease in cell wall B and uronic acid content in Na2CO3-soluble pectin compared with B-adequate roots. Meanwhile, they showed a decrease of 2-keto-3-deoxyoctanoic acid in CDTA-soluble and Na2CO3-soluble pectin in cell walls, while the degree of methylation (DM) of CDTA-soluble pectin was significantly increased under B deficiency. Transmission electron microscope (TEM) micrographs of B deficient plants showed a distinct thickening of the cell walls, with the thickness 1.82 times greater than that of control plant roots. The results from Fourier-transform infrared spectroscopy (FTIR) showed that B deficiency changed the mode of hydrogen bonding between protein and carbohydrates (cellulose and hemicellulose). The FTIR spectra exhibited a destroyed protein structure and accumulation of wax and cellulose in the cell walls under B starvation. The 13C nuclear magnetic resonance (13C-NMR) spectra showed that B starvation changed the organic carbon structure of cell walls, and enhanced the contents of amino acid, cellulose, phenols, and lignin in the cell wall. The results reveal that the swelling and weakened structural integrity of cell walls, which induced by alteration on the network of pectin and cell wall components and structure in B-deficient roots, could be a major cause of occurrence of the rapid interruption of growth and significantly enlarged root tips in trifoliate orange roots under B-insufficient condition.
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17
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Kichigina NE, Puhalsky JV, Shaposhnikov AI, Azarova TS, Makarova NM, Loskutov SI, Safronova VI, Tikhonovich IA, Vishnyakova MA, Semenova EV, Kosareva IA, Belimov AA. Aluminum exclusion from root zone and maintenance of nutrient uptake are principal mechanisms of Al tolerance in Pisum sativum L. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2017; 23:851-863. [PMID: 29158634 PMCID: PMC5671451 DOI: 10.1007/s12298-017-0469-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 06/21/2017] [Accepted: 09/11/2017] [Indexed: 05/29/2023]
Abstract
Our study aimed to evaluate intraspecific variability of pea (Pisum sativum L.) in Al tolerance and to reveal mechanisms underlying genotypic differences in this trait. At the first stage, 106 pea genotypes were screened for Al tolerance using root re-elongation assay based on staining with eriochrome cyanine R. The root re-elongation zone varied from 0.5 mm to 14 mm and relationships between Al tolerance and provenance or phenotypic traits of genotypes were found. Tolerance index (TI), calculated as a biomass ratio of Al-treated and non-treated contrasting genotypes grown in hydroponics for 10 days, varied from 30% to 92% for roots and from 38% to 90% for shoots. TI did not correlate with root or shoot Al content, but correlated positively with increasing pH and negatively with residual Al concentration in nutrient solution in the end of experiments. Root exudation of organic acid anions (mostly acetate, citrate, lactate, pyroglutamate, pyruvate and succinate) significantly increased in several Al-treated genotypes, but did not correlate with TI. Al-treatment decreased Ca, Co, Cu, K, Mg, Mn, Mo, Ni, S and Zn contents in roots and/or shoots, whereas contents of several elements (P, B, Fe and Mo in roots and B and Fe in shoots) increased, suggesting that Al toxicity induced substantial disturbances in uptake and translocation of nutrients. Nutritional disturbances were more pronounced in Al sensitive genotypes. In conclusion, pea has a high intraspecific variability in Al tolerance and this trait is associated with provenance and phenotypic properties of plants. Transformation of Al to unavailable (insoluble) forms in the root zone and the ability to maintain nutrient uptake are considered to be important mechanisms of Al tolerance in this plant species.
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Affiliation(s)
- Natalia E. Kichigina
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Jan V. Puhalsky
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Aleksander I. Shaposhnikov
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Tatiana S. Azarova
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Natalia M. Makarova
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Svyatoslav I. Loskutov
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Vera I. Safronova
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
| | - Igor A. Tikhonovich
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
- Saint-Petersburg State University, University Embankment, Saint-Petersburg, Russian Federation 199034
| | - Margarita A. Vishnyakova
- N.I. Vavilov Institute of Plant Genetic Resources, B. Morskaya Str. 42-44, Saint-Petersburg, Russian Federation 190000
| | - Elena V. Semenova
- N.I. Vavilov Institute of Plant Genetic Resources, B. Morskaya Str. 42-44, Saint-Petersburg, Russian Federation 190000
| | - Irina A. Kosareva
- N.I. Vavilov Institute of Plant Genetic Resources, B. Morskaya Str. 42-44, Saint-Petersburg, Russian Federation 190000
| | - Andrey A. Belimov
- All-Russia Research Institute for Agricultural Microbiology, Podbelskogo sh. 3, Pushkin, Saint-Petersburg, Russian Federation 196608
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18
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Liu X, Lin Y, Liu D, Wang C, Zhao Z, Cui X, Liu Y, Yang Y. MAPK-mediated auxin signal transduction pathways regulate the malic acid secretion under aluminum stress in wheat (Triticum aestivum L.). Sci Rep 2017; 7:1620. [PMID: 28487539 PMCID: PMC5431644 DOI: 10.1038/s41598-017-01803-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 04/05/2017] [Indexed: 01/17/2023] Open
Abstract
An isobaric tags for relative and absolute quantitative (iTRAQ)-based quantitative proteomic approach was used to screen the differentially expressed proteins during control treatment (CK), aluminum (Al) and Al+ indole-3-acetic acid (IAA) treatment of wheat lines ET8 (Al-tolerant). Further, the the expression levels of auxin response factor (ARF), Aux/IAA, Mitogen activated protein kinase (MAPK) 2c, and MAPK1a were analyzed. Results showed that 16 proteins were determined to be differentially expressed in response to Al and IAA co-treatment compared with Al alone. Among them, MAPK2c and MAPK1a proteins displayed markedly differential expression during the processes. The expression of ARF2 was upregulated and Aux/IAA was downregulated by Al, while both in concentration- and time-dependent manners. Western-blot detection of MAPK2c and MAPK1a indicated that Al upregulated MAPK2c and downregulated MAPK1a in both concentration- and time-dependent manners. Exogenous IAA could promote the expression of MAPK2c, but inhibit the expression of MAPK1a in the presence/absence of Al. These findings indicated that IAA acted as one of the key signaling molecule controls the response mechanism of wheat malic acid efflux to Al stress through the suppression/activation of Aux/IAA and ARFs, and the activity of MAPK2c and MAPK1a were positively or negatively regulated.
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Affiliation(s)
- Xinwei Liu
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Centre for Microelement Research of Huazhong Agricultural University, Wuhan, 430070, China
| | - Yameng Lin
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.,Centre for Microelement Research of Huazhong Agricultural University, Wuhan, 430070, China
| | - Diqiu Liu
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Chengxiao Wang
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Zhuqing Zhao
- Centre for Microelement Research of Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiuming Cui
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China
| | - Ying Liu
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Ye Yang
- Yunnan Provincial Key Laboratory of Panax notoginseng, Key Laboratory of Panax notoginseng Resources Sustainable Development and Utilization of State Administration of Traditional Chinese Medicine, Kunming Key Laboratory of Sustainable Development and Utilization of Famous-Region Drug, Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China.
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19
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Li XW, Liu JY, Fang J, Tao L, Shen RF, Li YL, Xiao HD, Feng YM, Wen HX, Guan JH, Wu LS, He YM, Goldbach HE, Yu M. Boron Supply Enhances Aluminum Tolerance in Root Border Cells of Pea ( Pisum sativum) by Interacting with Cell Wall Pectins. FRONTIERS IN PLANT SCIENCE 2017; 8:742. [PMID: 28533794 PMCID: PMC5421198 DOI: 10.3389/fpls.2017.00742] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 04/20/2017] [Indexed: 05/23/2023]
Abstract
Aluminum (Al) toxicity is the primary factor limiting crop growth in acidic soils. Boron (B) alleviates Al toxicity in plants, which is mainly considered to be due to the formation of Rhamnogalacturonan II-B (RGII-B) complexes, which helps to stabilize the cytoskeleton. It is unclear yet whether this is due to the increasing of net negative charges and/or further mechanisms. Kinetics of Al accumulation and adsorption were investigated using entire cells, cell wall and pectin of root border cells (RBCs) of pea (Pisum sativum), to reveal the mechanism of B in interacting with alkali-soluble and chelator-soluble pectin for an increased Al tolerance in RBCs. The results show that B could rescue RBCs from Al-induced cell death by accumulating more Al in the cell wall, predominately in alkali-soluble pectin. Boron also promotes Al3+ adsorption and inhibits Al3+ desorption from alkali-soluble pectin. Thus, more Al3+ is immobilized within the alkali-soluble pectin fraction and less in the chelator-soluble pectin, rendering Al3+ less mobile. Boron induces an increase of RG-II (KDO,2-keto-3-deoxyoctonic acid) content for forming more borate-RGII complexes, and the decrease of pectin methyl-esterification, thus creates more negative charges to immobilize Al3+ in cell wall pectin. The study provides evidence that abundant B supply enhances the immobilization of Al in alkali-soluble pectin, thus most likely reducing the entry of Al3+ into the symplast from the surroundings.
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Affiliation(s)
- Xue Wen Li
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Jia You Liu
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Jing Fang
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Lin Tao
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Ren Fang Shen
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of SciencesNanjing, China
| | - Ya Lin Li
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Hong Dong Xiao
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Ying Ming Feng
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Hai Xiang Wen
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Jia Hua Guan
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Li Shu Wu
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Yong Ming He
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
| | - Heiner E. Goldbach
- Plant Nutrition-Institute of Crop Science and Resource Conservation, University of BonnBonn, Germany
| | - Min Yu
- Department of Horticulture, School of Food Science and Engineering, School of Life Science and Engineering, Foshan UniversityGuangdong, China
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20
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Guo P, Qi YP, Yang LT, Lai NW, Ye X, Yang Y, Chen LS. Root Adaptive Responses to Aluminum-Treatment Revealed by RNA-Seq in Two Citrus Species With Different Aluminum-Tolerance. FRONTIERS IN PLANT SCIENCE 2017; 8:330. [PMID: 28337215 PMCID: PMC5340773 DOI: 10.3389/fpls.2017.00330] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 02/24/2017] [Indexed: 05/02/2023]
Abstract
Seedlings of aluminum (Al)-tolerant Citrus sinensis and Al-intolerant Citrus grandis were fertigated daily with nutrient solution containing 0 and 1.0 mM AlCl3●6H2O for 18 weeks. The Al-induced decreases of biomass and root total soluble proteins only occurred in C. grandis, demonstrating that C. sinensis had higher Al-tolerance than C. grandis. Under Al-treatment, C. sinensis roots secreted more citrate and malate than C. grandis ones; less Al was accumulated in C. sinenis than in C. grandis leaves. The Al-induced reduction of phosphorus was lesser in C. sinensis roots and leaves than in C. grandis ones, whereas the Al-induced increase of sulfur was greater in C. sinensis roots and leaves. Using RNA-seq, we isolated 1905 and 2670 differentially expressed genes (DEGs) from Al-treated C. sinensis than C. grandis roots, respectively. Among these DEGs, only 649 DEGs were shared by the two species. Further analysis suggested that the following several aspects conferred C. sinensis higher Al-tolerance: (a) Al-treated C. sinensis seedlings had a higher external Al detoxification capacity via enhanced Al-induced secretion of organic acid anions, a higher antioxidant capacity and a more efficient chelation system in roots; (b) Al-treated C. sinensis seedlings displayed a higher level of sulfur in roots and leaves possibly due to increased uptake and decreased export of sulfur and a higher capacity to maintain the cellular phosphorus homeostasis by enhancing phosphorus acquisition and utilization; (c) Cell wall and cytoskeleton metabolism, energy and carbohydrate metabolism and signal transduction displayed higher adaptative responses to Al in C. sinensis than in C. grandis roots; (d) More upregulated than downregulated genes related to fatty acid and amino acid metabolisms were isolated from Al-treated C. sinensis roots, but the reverse was the case for Al-treated C. grandis roots. These results provide a platform for further investigating the roles of genes possibly responsible for citrus Al-tolerance.
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Affiliation(s)
- Peng Guo
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Yi-Ping Qi
- Institute of Materia Medica, Fujian Academy of Medical SciencesFuzhou, China
| | - Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Ning-Wei Lai
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Xin Ye
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Yi Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
- The Higher Educational Key Laboratory of Fujian Province for Soil Ecosystem Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry UniversityFuzhou, China
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21
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Siecińska J, Nosalewicz A. Aluminium Toxicity to Plants as Influenced by the Properties of the Root Growth Environment Affected by Other Co-Stressors: A Review. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 243:1-26. [PMID: 28005214 DOI: 10.1007/398_2016_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Aluminium toxicity to crops depends on the acidity of the soil and specific plant resistance. However, it is also strongly affected by other environmental factors that have to be considered to properly evaluate the resultant effects on plants. Observed weather perturbations and predicted climate changes will increase the probability of co-occurrence of aluminium toxicity and other abiotic stresses.In this review the mechanisms of plant-aluminium interactions are shown to be influenced by soil mineral nutrients, heavy metals, organic matter, oxidative stress and drought. Described effects of aluminium toxicity include: root growth inhibition, reduction in the uptake of mineral nutrients resulting from the inhibition of transport processes through ion channels; epigenetic changes to DNA resulting in gene silencing. Complex processes occurring in the rhizosphere are highlighted, including the role of soil organic matter and aluminium detoxification by mucilage.There is a considerable research gap in the understanding of root growth in the soil environment in the presence of toxic aluminium concentrations as affected by interactions with abiotic stressors. This knowledge is important for the selection of feasible methods aimed at the reduction of negative consequences of crop production in acidic soils affected by adverse growth environment.
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Affiliation(s)
- Joanna Siecińska
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Artur Nosalewicz
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland.
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22
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Nahar K, Hasanuzzaman M, Suzuki T, Fujita M. Polyamines-induced aluminum tolerance in mung bean: A study on antioxidant defense and methylglyoxal detoxification systems. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:58-73. [PMID: 27819117 DOI: 10.1007/s10646-016-1740-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/19/2016] [Indexed: 05/20/2023]
Abstract
We investigated the roles of exogenously applied Spd (0.3 mM spermidine) in alleviating Al (AlCl3, 0.5 mM, 48 and 72 h)- induced injury in mung bean seedlings (Vigna radiata L. cv. BARI Mung-2). Aluminum toxicity induced oxidative damage overproducing reactive oxygen species (ROS; H2O2 and O2•-), increasing lipoxygenase activity and membrane lipid peroxidation. The toxic compound methylglyoxal (MG) also overproduced under Al stress. In order to circumvent Al-induced oxidative stress, enzymatic and non-enzymatic antioxidant defense were activated by the application of exogenous Spd. Exogenous Spd increased ascorbate (AsA) and glutathione (GSH) content, AsA/dehydroascorbate (DHA) ratio, GSH/ glutathione disulfide (GSSG) ratio, activity of ascorbate peroxidase (APX), dehydroascorbate reductase (DHAR), glutathione reductase (GR) and catalase (CAT) which reduced ROS production and oxidative stress under Al stress. Spd-induced improvement of GSH pool and Gly II activity alleviated injurious effects of MG. Exogenous Spd positively modulated the endogenous PAs level. Regulating the osmoprotectant molecule (proline), Spd improved plant water status under Al stress. Exogenous Spd was potent to prevent breakdown of Al-induced photosynthetic pigment and to improve growth performances under Al stress. The mechanism by which Spd enhances antioxidant and glyoxalase components might be studied extensively. Spermidine-induced protection of photosynthetic pigment from damages and growth enhancement were remarkable and recommended for further detailed study to understand the mechanism.
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Affiliation(s)
- Kamrun Nahar
- Laboratory of Plant Stress Responses, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa, 761-0795, Japan
- Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, 1207, Bangladesh
| | - Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, 1207, Bangladesh
| | - Toshisada Suzuki
- Biomass Chemistry Laboratory, Bioresource Science for Manufacturing, Department of Applied Bioresource Science, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa, 761-0795, Japan
| | - Masayuki Fujita
- Laboratory of Plant Stress Responses, Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa, 761-0795, Japan.
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23
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Bojórquez-Quintal E, Escalante-Magaña C, Echevarría-Machado I, Martínez-Estévez M. Aluminum, a Friend or Foe of Higher Plants in Acid Soils. FRONTIERS IN PLANT SCIENCE 2017; 8:1767. [PMID: 29075280 PMCID: PMC5643487 DOI: 10.3389/fpls.2017.01767] [Citation(s) in RCA: 155] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 09/27/2017] [Indexed: 05/11/2023]
Abstract
Aluminum (Al) is the most abundant metal in the earth's crust, but its availability depends on soil pH. Despite this abundance, Al is not considered an essential element and so far no experimental evidence has been put forward for a biological role. In plants and other organisms, Al can have a beneficial or toxic effect, depending on factors such as, metal concentration, the chemical form of Al, growth conditions and plant species. Here we review recent advances in the study of Al in plants at physiological, biochemical and molecular levels, focusing mainly on the beneficial effect of Al in plants (stimulation of root growth, increased nutrient uptake, the increase in enzyme activity, and others). In addition, we discuss the possible mechanisms involved in improving the growth of plants cultivated in soils with acid pH, as well as mechanisms of tolerance to the toxic effect of Al.
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Affiliation(s)
- Emanuel Bojórquez-Quintal
- CONACYT-Laboratorio de Análisis y Diagnóstico del Patrimonio, El Colegio de Michoacán, La Piedad, Mexico
| | - Camilo Escalante-Magaña
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, Mérida, Mexico
| | - Ileana Echevarría-Machado
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, Mérida, Mexico
| | - Manuel Martínez-Estévez
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, Mérida, Mexico
- *Correspondence: Manuel Martínez-Estévez,
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24
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Aluminum Toxicity-Induced Alterations of Leaf Proteome in Two Citrus Species Differing in Aluminum Tolerance. Int J Mol Sci 2016; 17:ijms17071180. [PMID: 27455238 PMCID: PMC4964550 DOI: 10.3390/ijms17071180] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/13/2016] [Accepted: 07/13/2016] [Indexed: 11/17/2022] Open
Abstract
Seedlings of aluminum-tolerant ‘Xuegan’ (Citrus sinensis) and Al-intolerant ‘sour pummelo’ (Citrus grandis) were fertigated for 18 weeks with nutrient solution containing 0 and 1.2 mM AlCl3·6H2O. Al toxicity-induced inhibition of photosynthesis and the decrease of total soluble protein only occurred in C. grandis leaves, demonstrating that C. sinensis had higher Al tolerance than C. grandis. Using isobaric tags for relative and absolute quantification (iTRAQ), we obtained more Al toxicity-responsive proteins from C. sinensis than from C. grandis leaves, which might be responsible for the higher Al tolerance of C. sinensis. The following aspects might contribute to the Al tolerance of C. sinensis: (a) better maintenance of photosynthesis and energy balance via inducing photosynthesis and energy-related proteins; (b) less increased requirement for the detoxification of reactive oxygen species and other toxic compounds, such as aldehydes, and great improvement of the total ability of detoxification; and (c) upregulation of low-phosphorus-responsive proteins. Al toxicity-responsive proteins related to RNA regulation, protein metabolism, cellular transport and signal transduction might also play key roles in the higher Al tolerance of C. sinensis. We present the global picture of Al toxicity-induced alterations of protein profiles in citrus leaves, and identify some new Al toxicity-responsive proteins related to various biological processes. Our results provide some novel clues about plant Al tolerance.
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25
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Vélez-Bermúdez IC, Wen TN, Lan P, Schmidt W. Isobaric Tag for Relative and Absolute Quantitation (iTRAQ)-Based Protein Profiling in Plants. Methods Mol Biol 2016; 1450:213-221. [PMID: 27424757 DOI: 10.1007/978-1-4939-3759-2_17] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Isobaric tags for relative and absolute quantitation (iTRAQ) is a technology that utilizes isobaric reagents to label the primary amines of peptides and proteins and is used in proteomics to study quantitative changes in the proteome by tandem mass spectrometry . Here, we present an adaptation of the iTRAQ experimental protocol for plants that allows the identification and quantitation of more than 12,000 plant proteins in Arabidopsis with a false discovery rate of less than 5 %.
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Affiliation(s)
| | - Tuan-Nan Wen
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
| | - Ping Lan
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Wolfgang Schmidt
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan.
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
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26
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Jiang HX, Yang LT, Qi YP, Lu YB, Huang ZR, Chen LS. Root iTRAQ protein profile analysis of two Citrus species differing in aluminum-tolerance in response to long-term aluminum-toxicity. BMC Genomics 2015; 16:949. [PMID: 26573913 PMCID: PMC4647617 DOI: 10.1186/s12864-015-2133-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 10/23/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Limited information is available on aluminum (Al)-toxicity-responsive proteins in woody plant roots. Seedlings of 'Xuegan' (Citrus sinensis) and 'Sour pummelo' (Citrus grandis) were treated for 18 weeks with nutrient solution containing 0 (control) or 1.2 mM AlCl3 · 6H2O (+Al). Thereafter, we investigated Citrus root protein profiles using isobaric tags for relative and absolute quantification (iTRAQ). The aims of this work were to determine the molecular mechanisms of plants to deal with Al-toxicity and to identify differentially expressed proteins involved in Al-tolerance. RESULTS C. sinensis was more tolerant to Al-toxicity than C. grandis. We isolated 347 differentially expressed proteins from + Al Citrus roots. Among these proteins, 202 (96) proteins only presented in C. sinensis (C. grandis), and 49 proteins were shared by the two species. Of the 49 overlapping proteins, 45 proteins were regulated in the same direction upon Al exposure in the both species. These proteins were classified into following categories: sulfur metabolism, stress and defense response, carbohydrate and energy metabolism, nucleic acid metabolism, protein metabolism, cell transport, biological regulation and signal transduction, cell wall and cytoskeleton metabolism, and jasmonic acid (JA) biosynthesis. The higher Al-tolerance of C. sinensis may be related to several factors, including: (a) activation of sulfur metabolism; (b) greatly improving the total ability of antioxidation and detoxification; (c) up-regulation of carbohydrate and energy metabolism; (d) enhancing cell transport; (e) decreased (increased) abundances of proteins involved in protein synthesis (proteiolysis); (f) keeping a better balance between protein phosphorylation and dephosphorylation; and (g) increasing JA biosynthesis. CONCLUSIONS Our results demonstrated that metabolic flexibility was more remarkable in C. sinenis than in C. grandis roots, thus improving the Al-tolerance of C. sinensis. This provided the most integrated view of the adaptive responses occurring in Al-toxicity roots.
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Affiliation(s)
- Huan-Xin Jiang
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Yi-Ping Qi
- Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou, 350001, China.
| | - Yi-Bin Lu
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Zeng-Rong Huang
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,The Higher Educational Key Laboratory of Fujian Province for Soil Ecosystem Health and Regulation, Fujian Agriculture and Forestry University, Fuzhou, 350002, China. .,Fujian Key Laboratory for Plant Molecular and Cell Biology, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.
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27
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Wang LQ, Yang LT, Guo P, Zhou XX, Ye X, Chen EJ, Chen LS. Leaf cDNA-AFLP analysis reveals novel mechanisms for boron-induced alleviation of aluminum-toxicity in Citrus grandis seedlings. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 120:349-59. [PMID: 26099466 DOI: 10.1016/j.ecoenv.2015.06.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 05/24/2015] [Accepted: 06/05/2015] [Indexed: 05/18/2023]
Abstract
Little information is available on the molecular mechanisms of boron (B)-induced alleviation of aluminum (Al)-toxicity. 'Sour pummelo' (Citrus grandis) seedlings were irrigated for 18 weeks with nutrient solution containing different concentrations of B (2.5 or 20μM H3BO3) and Al (0 or 1.2mM AlCl3·6H2O). B alleviated Al-induced inhibition in plant growth accompanied by lower leaf Al. We used cDNA-AFLP to isolate 127 differentially expressed genes from leaves subjected to B and Al interactions. These genes were related to signal transduction, transport, cell wall modification, carbohydrate and energy metabolism, nucleic acid metabolism, amino acid and protein metabolism, lipid metabolism and stress responses. The ameliorative mechanisms of B on Al-toxicity might be related to: (a) triggering multiple signal transduction pathways; (b) improving the expression levels of genes related to transport; (c) activating genes involved in energy production; and (d) increasing amino acid accumulation and protein degradation. Also, genes involved in nucleic acid metabolism, cell wall modification and stress responses might play a role in B-induced alleviation of Al-toxicity. To conclude, our findings reveal some novel mechanisms on B-induced alleviation of Al-toxicity at the transcriptional level in C. grandis leaves.
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Affiliation(s)
- Liu-Qing Wang
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lin-Tong Yang
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Peng Guo
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xin-Xing Zhou
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xin Ye
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - En-Jun Chen
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Li-Song Chen
- College of Resource and Environmental Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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