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Yin K, Bao Q, Li J, Wang M, Wang F, Sun B, Gong Y, Lian F. Molecular mechanisms of growth promotion and selenium enrichment in tomato plants by novel selenium-doped carbon quantum dots. CHEMOSPHERE 2024; 364:143175. [PMID: 39181469 DOI: 10.1016/j.chemosphere.2024.143175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 08/20/2024] [Accepted: 08/22/2024] [Indexed: 08/27/2024]
Abstract
Selenium (Se)-doped nanoparticles as novel Se fertilizers have a promising potential in the agricultural application. Here, the effects of two novel Se-doped carbon quantum dots (Se-CQDs1 and Se-CQDs2, prepared using co-cracking and adsorption-reduction methods, respectively) on the growth and Se enrichment of tomato plants were studied, where the promoting molecular mechanisms were explored in terms of the related genes expression and soil microbial composition. The results indicated that the soil application of 2.5 mg kg-1 Se-CQDs1 more significantly increased the root growth, plant biomass, and fruit yield than that of Se-CQDs2 and Na2SeO3 treatments (control). Specifically, Se-CQDs1 treatment was more effective to up-regulate the expressions of aquaporin gene (i.e., PIP) and growth hormone synthesis gene (i.e., NIT) than Se-CQDs1 and Na2SeO3 treatments. The expressions of Se methyltransferase gene (smt) and methionine methyltransferase gene (mmt) induced by Se-CQDs1 were 1.45 and 1.18 times higher than that by Se-CQDs2 as well as 1.82 and 2.17 times higher than that by Na2SeO3. Also, Se-CQDs1 more greatly increased the diversity and relative abundance of soil bacterial communities, especially the Actinobacteria phylum, which was beneficial to increase plant growth-promoting substances. These outstanding promoting effects of Se-CQDs1 were mainly ascribed to its higher hydrophilicity and content of the stable doped-Se. The overall results demonstrated that Se-CQDs would be a promising candidate for nano-fertilizer to increase crop growth and development (e.g., tomato plants), where the synthesis modes of Se-CQDs play a critical role in regulating the utilization efficiency of Se.
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Affiliation(s)
- Kaiyue Yin
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Qiongli Bao
- Key Laboratory of Original Environmental Pollution Control, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Jiaqi Li
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Meiyan Wang
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Fei Wang
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Binbin Sun
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Yan Gong
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Fei Lian
- Institute of Pollution Control and Environmental Health, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China.
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Tong M, Zhai K, Duan Y, Xia W, Zhao B, Zhang L, Chu J, Yao X. Selenium alleviates the adverse effects of microplastics on kale by regulating photosynthesis, redox homeostasis, secondary metabolism and hormones. Food Chem 2024; 450:139349. [PMID: 38631205 DOI: 10.1016/j.foodchem.2024.139349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/25/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Kale is a functional food with anti-cancer, antioxidant, and anemia prevention properties. The harmful effects of the emerging pollutant microplastic (MP) on plants have been widely studied, but there is limited research how to mitigate MP damage on plants. Numerous studies have shown that Se is involved in regulating plant resistance to abiotic stresses. The paper investigated impact of MP and Se on kale growth, photosynthesis, reactive oxygen species (ROS) metabolism, phytochemicals, and endogenous hormones. Results revealed that MP triggered a ROS burst, which led to breakdown of antioxidant system in kale, and had significant toxic effects on photosynthetic system, biomass, and accumulation of secondary metabolites, as well as a significant decrease in IAA and a significant increase in GA. Under MP supply, Se mitigated the adverse effects of MP on kale by increasing photosynthetic pigment content, stimulating function of antioxidant system, enhancing secondary metabolite synthesis, and modulating hormonal networks.
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Affiliation(s)
- Mengting Tong
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Kuizhi Zhai
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Yusui Duan
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Wansheng Xia
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Bingnan Zhao
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Lulu Zhang
- School of Life Sciences, Hebei University, Baoding 071002, China
| | - Jianzhou Chu
- School of Life Sciences, Hebei University, Baoding 071002, China.
| | - Xiaoqin Yao
- School of Life Sciences, Hebei University, Baoding 071002, China; Institute of Life Sciences and Green Development, Hebei University, Baoding 071002, China; Key Laboratory of Microbial Diversity Research and Application of Hebei Province, Baoding 071002, China.
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3
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Ren Y, Zhang Q, Li X, Zhang T, Tian D, Liu L, Dong X, Wang ZY, Chai M. Effects of Selenium Content on Growth, Antioxidant Activity, and Key Selenium-Enriched Gene Expression in Alfalfa Sprouts. Foods 2024; 13:2261. [PMID: 39063347 PMCID: PMC11276560 DOI: 10.3390/foods13142261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/28/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
To enhance the selenium (Se) intake of the general public, the present study implemented biofortification techniques in alfalfa sprouts. Alfalfa sprouts possess unique nutritional value and provide an optimal Se-enriched supplemental Se source. The impact of sodium selenite (Na2SeO3) on alfalfa shoot germination, shoot length, and biomass was assessed experimentally, and changes in the antioxidant capacity of sprouts treated with optimal Se concentrations were investigated. In addition, the transcriptome of alfalfa sprouts treated with the optimal Na2SeO3 concentration was sequenced. Gene co-expression networks, constructed through differential gene analysis and weighted gene co-expression network analysis, were used to identify the core genes responsible for Se enrichment in alfalfa sprouts. The findings of the present study offer novel insights into the effects of Se treatment on the nutrient composition of alfalfa sprouts, in addition to introducing novel methods and references that could facilitate production of Se-enriched alfalfa sprouts and associated products.
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Affiliation(s)
- Yaru Ren
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Qian Zhang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiang Li
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Tianyi Zhang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Daicai Tian
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Liang Liu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Xuyan Dong
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Zeng-Yu Wang
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
| | - Maofeng Chai
- Key Laboratory of National Forestry and Grassland Administration on Grassland Resources and Ecology in the Yellow River Delta, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
- Qingdao Key Laboratory of Specialty Plant Germplasm Innovation and Utilization in Saline Soils of Coastal Beach, College of Grassland Science, Qingdao Agricultural University, Qingdao 266109, China
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Xu M, Meng Q, Zhu S, Yu R, Chen L, Shi G, Wong KH, Fan D, Ding Z. The Performance and Evolutionary Mechanism of Ganoderma lucidum in Enhancing Selenite Tolerance and Bioaccumulation. J Fungi (Basel) 2024; 10:415. [PMID: 38921401 PMCID: PMC11205109 DOI: 10.3390/jof10060415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/25/2024] [Accepted: 06/03/2024] [Indexed: 06/27/2024] Open
Abstract
BACKGROUND Selenium (Se) pollution poses serious threats to terrestrial ecosystems. Mushrooms are important sources of Se with the potential for bioremediation. Pre-eminent Se resources must possess the ability to tolerate high levels of Se. To obtain Se-accumulating fungi, we isolated selenite-tolerance-enhanced Ganoderma lucidum JNUSE-200 through adaptive evolution. METHODS The molecular mechanism responsible for selenite tolerance and accumulation was explored in G. lucidum JNUSE-200 by comparing it with the original strain, G. lucidum CGMCC 5.26, using a combination of physiological and transcriptomic approaches. RESULTS G. lucidum JNUSE-200 demonstrated tolerance to 200 mg/kg selenite in liquid culture and exhibited normal growth, whereas G. lucidum CGMCC 5.26 experienced reduced growth, red coloration, and an unpleasant odor as a result of exposure to selenite at the same concentration. In this study, G. lucidum JNUSE-200 developed a triple defense mechanism against high-level selenite toxicity, and the key genes responsible for improved selenite tolerance were identified. CONCLUSIONS The present study offers novel insights into the molecular responses of fungi towards selenite, providing theoretical guidance for the breeding and cultivation of Se-accumulating varieties. Moreover, it significantly enhances the capacity of the bio-manufacturing industry and contributes to the development of beneficial applications in environmental biotechnology through fungal selenite transformation bioprocesses.
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Affiliation(s)
- Mengmeng Xu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.X.); (D.F.)
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; (Q.M.); (L.C.); (G.S.)
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Qi Meng
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; (Q.M.); (L.C.); (G.S.)
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Song Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (S.Z.); (R.Y.)
| | - Ruipeng Yu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (S.Z.); (R.Y.)
| | - Lei Chen
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; (Q.M.); (L.C.); (G.S.)
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Guiyang Shi
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; (Q.M.); (L.C.); (G.S.)
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Ka-Hing Wong
- Research Institute for Future Food, Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong 999077, China;
| | - Daming Fan
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.X.); (D.F.)
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (S.Z.); (R.Y.)
| | - Zhongyang Ding
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; (Q.M.); (L.C.); (G.S.)
- Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
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Chen Y, Li Y, Luo G, Luo C, Xiao Z, Lu Y, Xiang Z, Hou Z, Xiao Q, Zhou Y, Tang Q. Gene identification, expression analysis, and molecular docking of SAT and OASTL in the metabolic pathway of selenium in Cardamine hupingshanensis. PLANT CELL REPORTS 2024; 43:148. [PMID: 38775862 PMCID: PMC11111505 DOI: 10.1007/s00299-024-03227-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/02/2024] [Indexed: 05/25/2024]
Abstract
KEY MESSAGE Identification of selenium stress-responsive expression and molecular docking of serine acetyltransferase (SAT) and O-acetyl serine (thiol) lyase (OASTL) in Cardamine hupingshanensis. A complex coupled with serine acetyltransferase (SAT) and O-acetyl serine (thiol) lyase (OASTL) is the key enzyme that catalyzes selenocysteine (Sec) synthesis in plants. The functions of SAT and OASTL genes were identified in some plants, but it is still unclear whether SAT and OASTL are involved in the selenium metabolic pathway in Cardamine hupingshanensis. In this study, genome-wide identification and comparative analysis of ChSATs and ChOASTLs were performed. The eight ChSAT genes were divided into three branches, and the thirteen ChOASTL genes were divided into four branches by phylogenetic analysis and sequence alignment, indicating the evolutionary conservation of the gene structure and its association with other plant species. qRT-PCR analysis showed that the ChSAT and ChOASTL genes were differentially expressed in different tissues under various selenium levels, suggesting their important roles in Sec synthesis. The ChSAT1;2 and ChOASTLA1;2 were silenced by the VIGS system to investigate their involvement in selenium metabolites in C. hupingshanensis. The findings contribute to understanding the gene functions of ChSATs and ChOASTLs in the selenium stress and provide a reference for further exploration of the selenium metabolic pathway in plants.
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Affiliation(s)
- Yushan Chen
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Hubei Minzu University, Enshi, 44500, China
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi, 44500, China
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Yao Li
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Guoqiang Luo
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Cihang Luo
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Zhijing Xiao
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Yanke Lu
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi, 44500, China
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Zhixin Xiang
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi, 44500, China
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Zhi Hou
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi, 44500, China
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China
| | - Qiang Xiao
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Hubei Minzu University, Enshi, 44500, China
- College of Forestry and Horticulture, Hubei Minzu University, Enshi, 44500, China
| | - Yifeng Zhou
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Hubei Minzu University, Enshi, 44500, China.
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Hubei Minzu University, Enshi, 44500, China.
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, 44500, China.
| | - Qiaoyu Tang
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Hubei Minzu University, Enshi, 44500, China.
- College of Forestry and Horticulture, Hubei Minzu University, Enshi, 44500, China.
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Wang J, Liu L, Zhang H, Zhang D, Dai Z, Luo X, Zhang X, Xia H, Liang D, Lv X, Lin L. Exogenous indole-3-acetic acid promotes the plant growth and accumulation of selenium in grapevine under selenium stress. BMC PLANT BIOLOGY 2024; 24:426. [PMID: 38769488 PMCID: PMC11103883 DOI: 10.1186/s12870-024-05105-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 05/05/2024] [Indexed: 05/22/2024]
Abstract
To alleviate the selenium (Se) stress in fruit trees and improve its accumulation, the effects of exogenous indole-3-acetic acid (IAA) on the growth and Se accumulation of grapevine under Se stress were studied. The application of exogenous IAA increased the biomass of grapevine, and the concentration of exogenous IAA had a regression relationship with the biomass. The root and shoot biomass were the maximum at 60 mg L- 1 IAA, increasing by 15.61% and 23.95%, respectively, compared with the control. Exogenous IAA also increased the photosynthetic pigments and the activities of superoxide dismutase and peroxidase in grapevine. Moreover, exogenous IAA increased the contents of total Se, organic Se, and inorganic Se, and the concentration of exogenous IAA had a regression relationship with the total Se content. The highest contents of root total Se and shoot total Se were accumulated at 90 mg L- 1 IAA, increasing by 29.94% and 55.77% respectively,. In addition, the correlation and path analyses revealed that the carotenoid content and root total Se content were closely associated with the shoot total Se content. Therefore, the application of exogenous IAA can alleviate the stress of Se to grape and promote its uptake and the most effective amount for the uptake of Se is 90 mg L- 1 IAA.
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Affiliation(s)
- Jin Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Lei Liu
- Institute of Horticulture Research, Chengdu Academy of Agriculture and Forestry Sciences, Chengdu, China
| | - Haiyan Zhang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Dilian Zhang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Zhen Dai
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xian Luo
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xiaoli Zhang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Hui Xia
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Dong Liang
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China
| | - Xiulan Lv
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China.
| | - Lijin Lin
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, China.
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Zhang S, Liu Y, Wang H, Xu Z, Peng J, Xu Q, Li K, Wang H, Guo Y. Achromobacter seleniivolatilans sp. nov. and Buttiauxella selenatireducens sp. nov., isolated from the rhizosphere of selenium hyperaccumulator Cardamine hupingshanesis. Int J Syst Evol Microbiol 2024; 74. [PMID: 38619980 DOI: 10.1099/ijsem.0.006334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024] Open
Abstract
Two Gram-stain-negative bacterial strains, R39T and R73T, were isolated from the rhizosphere soil of the selenium hyperaccumulator Cardamine hupingshanesis in China. Strain R39T transformed selenite into elemental and volatile selenium, whereas strain R73T transformed both selenate and selenite into elemental selenium. Phylogenetic and phylogenomic analyses indicated that strain R39T belonged to the genus Achromobacter, while strain R73T belonged to the genus Buttiauxella. Strain R39T (genome size, 6.68 Mb; G+C content, 61.6 mol%) showed the closest relationship to Achromobacter marplatensis LMG 26219T and Achromobacter kerstersii LMG 3441T, with average nucleotide identity (ANI) values of 83.6 and 83.4 %, respectively. Strain R73T (genome size, 5.22 Mb; G+C content, 50.3 mol%) was most closely related to Buttiauxella ferragutiae ATCC 51602T with an ANI value of 86.4 %. Furthermore, strain A111 from the GenBank database was found to cluster with strain R73T within the genus Buttiauxella through phylogenomic analyses. The ANI and digital DNA-DNA hybridization values between strains R73T and A111 were 97.5 and 80.0% respectively, indicating that they belong to the same species. Phenotypic characteristics also differentiated strain R39T and strain R73T from their closely related species. Based on the polyphasic analyses, strain R39T and strain R73T represent novel species of the genera Achromobacter and Buttiauxella, respectively, for which the names Achromobacter seleniivolatilans sp. nov. (type strain R39T=GDMCC 1.3843T=JCM 36009T) and Buttiauxella selenatireducens sp. nov. (type strain R73T=GDMCC 1.3636T=JCM 35850T) are proposed.
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Affiliation(s)
- Sasa Zhang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Yi Liu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Hao Wang
- Division of Biology and Biological Engineering, California Institute of Technology, California, 91125, USA
| | - Zhongnan Xu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Jing Peng
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Qiaolin Xu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Kui Li
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Haoyang Wang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
| | - Yanbin Guo
- College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, PR China
- Beijing Key Laboratory of Biodiversity and Organic Farming, China Agricultural University, Beijing, 100193, PR China
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Zeng X, Luo G, Fan Z, Xiao Z, Lu Y, Xiao Q, Hou Z, Tang Q, Zhou Y. Whole genome identification, molecular docking and expression analysis of enzymes involved in the selenomethionine cycle in Cardamine hupingshanensis. BMC PLANT BIOLOGY 2024; 24:199. [PMID: 38500044 PMCID: PMC10949594 DOI: 10.1186/s12870-024-04898-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 03/10/2024] [Indexed: 03/20/2024]
Abstract
BACKGROUND The selenomethionine cycle (SeMTC) is a crucial pathway for the metabolism of selenium. The basic bioinformatics and functions of four enzymes involved in the cycle including S-adenosyl-methionine synthase (MAT), SAM-dependent methyltransferase (MTase), S-adenosyl-homocysteine hydrolase (SAHH) and methionine synthase (MTR), have been extensively reported in many eukaryotes. The identification and functional analyses of SeMTC genes/proteins in Cardamine hupingshanensis and their response to selenium stress have not yet been reported. RESULTS In this study, 45 genes involved in SeMTC were identified in the C. hupingshanensis genome. Phylogenetic analysis showed that seven genes from ChMAT were clustered into four branches, twenty-seven genes from ChCOMT were clustered into two branches, four genes from ChSAHH were clustered into two branches, and seven genes from ChMTR were clustered into three branches. These genes were resided on 16 chromosomes. Gene structure and homologous protein modeling analysis illustrated that proteins in the same family are relatively conserved and have similar functions. Molecular docking showed that the affinity of SeMTC enzymes for selenium metabolites was higher than that for sulfur metabolites. The key active site residues identified for ChMAT were Ala269 and Lys273, while Leu221/231 and Gly207/249 were determined as the crucial residues for ChCOMT. For ChSAHH, the essential active site residues were found to be Asn87, Asp139 and Thr206/207/208/325. Ile204, Ser111/329/377, Asp70/206/254, and His329/332/380 were identified as the critical active site residues for ChMTR. In addition, the results of the expression levels of four enzymes under selenium stress revealed that ChMAT3-1 genes were upregulated approximately 18-fold, ChCOMT9-1 was upregulated approximately 38.7-fold, ChSAHH1-2 was upregulated approximately 11.6-fold, and ChMTR3-2 genes were upregulated approximately 28-fold. These verified that SeMTC enzymes were involved in response to selenium stress to varying degrees. CONCLUSIONS The results of this research are instrumental for further functional investigation of SeMTC in C. hupingshanensis. This also lays a solid foundation for deeper investigations into the physiological and biochemical mechanisms underlying selenium metabolism in plants.
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Affiliation(s)
- Xixi Zeng
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Enshi, China, Enshi
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Enshi, China, 44500
- College of Forestry and Horticulture, Hubei Minzu University, Enshi, China, 44500
| | - Guoqiang Luo
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, China, 44500
| | - Zhucheng Fan
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, China, 44500
| | - Zhijing Xiao
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Enshi, China, Enshi
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, China, 44500
| | - Yanke Lu
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Enshi, China, Enshi
| | - Qiang Xiao
- College of Forestry and Horticulture, Hubei Minzu University, Enshi, China, 44500
| | - Zhi Hou
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, China, 44500
| | - Qiaoyu Tang
- Hubei Key Laboratory of Biological Resources Protection and Utilization, Enshi, China, Enshi.
- College of Forestry and Horticulture, Hubei Minzu University, Enshi, China, 44500.
- Hubei Engineering Research Center of Selenium Food Nutrition and Health Intelligent Technology, Enshi, China, 44500.
| | - Yifeng Zhou
- Hubei Key Laboratory of Selenium Resource Research and Biological Application, Enshi, China, 44500.
- College of Biological and Food Engineering, Hubei Minzu University, Enshi, China, 44500.
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9
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Moulick D, Mukherjee A, Das A, Roy A, Majumdar A, Dhar A, Pattanaik BK, Chowardhara B, Ghosh D, Upadhyay MK, Yadav P, Hazra S, Sarkar S, Mahanta S, Santra SC, Choudhury S, Maitra S, Mishra UN, Bhutia KL, Skalicky M, Obročník O, Bárek V, Brestic M, Hossain A. Selenium - An environmentally friendly micronutrient in agroecosystem in the modern era: An overview of 50-year findings. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115832. [PMID: 38141336 DOI: 10.1016/j.ecoenv.2023.115832] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/04/2023] [Accepted: 12/12/2023] [Indexed: 12/25/2023]
Abstract
Agricultural productivity is constantly being forced to maintain yield stability to feed the enormously growing world population. However, shrinking arable and nutrient-deprived soil and abiotic and biotic stressor (s) in different magnitudes put additional challenges to achieving global food security. Though well-defined, the concept of macro, micronutrients, and beneficial elements is from a plant nutritional perspective. Among various micronutrients, selenium (Se) is essential in small amounts for the life cycle of organisms, including crops. Selenium has the potential to improve soil health, leading to the improvement of productivity and crop quality. However, Se possesses an immense encouraging phenomenon when supplied within the threshold limit, also having wide variations. The supplementation of Se has exhibited promising outcomes in lessening biotic and abiotic stress in various crops. Besides, bulk form, nano-Se, and biogenic-Se also revealed some merits and limitations. Literature suggests that the possibilities of biogenic-Se in stress alleviation and fortifying foods are encouraging. In this article, apart from adopting a combination of a conventional extensive review of the literature and bibliometric analysis, the authors have assessed the journey of Se in the "soil to spoon" perspective in a diverse agroecosystem to highlight the research gap area. There is no doubt that the time has come to seriously consider the tag of beneficial elements associated with Se, especially in the drastic global climate change era.
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Affiliation(s)
- Debojyoti Moulick
- Department of Environmental Science, University of Kalyani, Nadia, West Bengal 741235, India; Plant Stress Biology and Metabolomics Laboratory, Department of Life Science & Bioinformatics, H.G. Khorana School of Life Sciences, Assam University, Silchar 788011, India.
| | - Arkabanee Mukherjee
- Indian Institute of Tropical Meteorology, Dr Homi Bhabha Rd, Panchawati, Pashan, Pune, Maharashtra 411008, India.
| | - Anupam Das
- Department of Soil Science and Agricultural Chemistry, Bihar Agricultural University, Sabour, Bhagalpur, India.
| | - Anirban Roy
- School of Agriculture and Rural Development, Faculty Centre for IRDM, Ramakrishna Mission Vi-Vekananda Educational and Research Institute, Ramakrishna Mission Ashrama, Narendrapur, Kolkata 700103, India.
| | - Arnab Majumdar
- School of Environmental Studies, Jadavpur University, Kolkata 700032, India.
| | - Anannya Dhar
- School of Agriculture and Rural Development, Faculty Centre for IRDM, Ramakrishna Mission Vi-Vekananda Educational and Research Institute, Ramakrishna Mission Ashrama, Narendrapur, Kolkata 700103, India.
| | - Binaya Kumar Pattanaik
- Institute of Environment Education and Research, Bharati Vidyapeeth (Deemed to be University), Pune 411043, India.
| | - Bhaben Chowardhara
- Department of Botany, Faculty of Science and Technology, Arunachal University of Studies NH-52, Knowledge City, District- Namsai, Arunachal Pradesh 792103, India.
| | - Dibakar Ghosh
- Division of Agronomy, ICAR-Indian Institute of Water Management, Bhubaneswar 751023, Odisha, India.
| | - Munish Kumar Upadhyay
- Centre for Environmental Science & Engineering, Department of Civil Engineering, Indian Institute of Technology Kanpur, 208016, India.
| | - Poonam Yadav
- Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi, India.
| | - Swati Hazra
- School of Agricultural Sciences, Sharda University, Greater Noida, UP 201310, India.
| | - Sukamal Sarkar
- School of Agriculture and Rural Development, Faculty Centre for IRDM, Ramakrishna Mission Vi-Vekananda Educational and Research Institute, Ramakrishna Mission Ashrama, Narendrapur, Kolkata 700103, India.
| | - Subrata Mahanta
- Department of Chemistry, National Institute of Technology Jamshedpur, Adityapur, Jamshedpur, Jharkhand 831014, India.
| | - S C Santra
- Department of Environmental Science, University of Kalyani, Nadia, West Bengal 741235, India.
| | - Shuvasish Choudhury
- Plant Stress Biology and Metabolomics Laboratory, Department of Life Science & Bioinformatics, H.G. Khorana School of Life Sciences, Assam University, Silchar 788011, India.
| | - Sagar Maitra
- Department of Agronomy and Agroforestry, Centurion University of Technology and Management, Odisha 761211, India.
| | - Udit Nandan Mishra
- Department of Crop Physiology & Biochemistry, Faculty of Agriculture, Sri Sri University, Sri Sri Vihar, Bidyadharpur Arilo, Ward No-03, Cuttack, Odisha 754006, India.
| | - Karma L Bhutia
- Department of Agricultural Biotechnology & Molecular Biology, College of Basic Sciences and Humanities, Dr. Rajendra Prasad Central Agricultural University, Pusa (Samastipur), Bihar 848 125, India.
| | - Milan Skalicky
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czechia.
| | - Oliver Obročník
- Department of Water Resources and Environmental Engineering, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Nitra, Tr. A. Hlinku 2, 949 01 Nitra, Slovakia.
| | - Viliam Bárek
- Department of Water Resources and Environmental Engineering, Faculty of Horticulture and Landscape Engineering, Slovak University of Agriculture, Nitra, Tr. A. Hlinku 2, 949 01 Nitra, Slovakia.
| | - Marian Brestic
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czechia; Institute of Plant and Environmental Sciences, Slovak University of Agriculture, Nitra, Tr. A. Hlinku 2, 949 01 Nitra, Slovak.
| | - Akbar Hossain
- Division of Soil Science, Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh.
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10
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Wang X, Lu W, Zhao Z, Hao W, Du R, Li Z, Wang Z, Lv X, Wang J, Liang D, Xia H, Tang Y, Lin L. Abscisic acid promotes selenium absorption, metabolism and toxicity via stress-related phytohormones regulation in Cyphomandra betacea Sendt. (Solanum betaceum Cav.). JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132642. [PMID: 37806260 DOI: 10.1016/j.jhazmat.2023.132642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/10/2023]
Abstract
High levels of selenium (Se) uptakes negatively affect plant growth. In this study, the possible molecular mechanism for the effects of abscisic acid (ABA) on Se absorption, metabolism and toxicity in Cyphomandra betacea Sendt. (Solanum betaceum Cav.) young plants were investigated. Se+ABA treatment promoted significant Se absorption in C. betacea while impeding plant growth as compared to Se treatment. The expression levels of sulfate/phosphate transporter protein genes indicated that Se+ABA triggered more S/Se absorption and transportation into chloroplast. Furthermore, Se+ABA promoted higher metabolisms of inorganic sulfur (S)/Se and organic S/Se. The organic Se might be in several forms (SeCysth, SeCys and SeMet) in Se+ABA treatment, whereas SeCysth was the major organic form in Se treatment. More reactive oxygen species production was suggested in Se+ABA treatment from a series of genes involved in antioxidant enzymes and molecules, including superoxide dismutase, peroxiredoxin, glutathione sulfur-transferase and glutathione. Se+ABA further improved the expression levels of genes involved in biosynthesis and signaling transduction genes involved in stress-related phytohormones (jasmonic acid and salicylic acid). Combining with the data in ABA treatment, we hypothesized a model that ABA might first affect the biosynthesis and signaling transduction pathways of stress-related phytohormones, and subsequently altered the metabolic processes responding to Se stress.
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Affiliation(s)
- Xun Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Wen Lu
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Ziming Zhao
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Wenhui Hao
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Ruimin Du
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhiyu Li
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhihui Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiulan Lv
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Jin Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Dong Liang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Hui Xia
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Yi Tang
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China
| | - Lijin Lin
- College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China.
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11
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Zang H, Tong X, Yuan L, Zhang Y, Zhang R, Li M, Zhu R. Life-cycle selenium accumulation and its correlations with the rhizobacteria and endophytes in the hyperaccumulating plant Cardamine hupingshanensis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 264:115450. [PMID: 37688863 DOI: 10.1016/j.ecoenv.2023.115450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/11/2023]
Abstract
Cardamine hupingshanensis (C. hupingshanensis) is known for its ability to hyperaccumulate selenium (Se). However, the roles of the rhizobacteria or endophytes in Se hyperaccumulation have not been explored in C. hupingshanensis. Here, in-situ-like pot experiments were conducted to investigate the characteristics of Se accumulation throughout C. hupingshanensis growth stages and its correlations with rhizobacteria and endophytes under varying soil Se levels. Results showed that Se levels in roots, stems and leaves increased from the seedling to bolting stage, but remained relatively stable during the flowering and maturity. Leaves exhibited the highest Se levels (736.48 ± 6.51 mg/kg DW), followed by stems (575.39 ± 27.05 mg/kg DW), and lowest in roots (306.62 ± 65.45 mg/kg DW) under high-Se stress. The Se translocation factors from soils to C. hupingshanensis roots was significantly higher (p < 0.05) in low-Se soils compared to medium- and high-Se soils. Rhizobacterial diversity showed significant positive correlations (p < 0.05) with both total and bioavailable soil Se contents. The levels of soil Se and growth stages of C. hupingshanensis were found to have significant effects (p < 0.03) on the compositions of rhizosphere bacteria and C. hupingshanensis endophytes. Low-abundance bacteria (< 5%), including Gemmatimonadetes, Latescibacteria and Nitrospirae, were identified to potentially increase the bioavailable Se levels in the rhizosphere. The Se accumulation significantly decreased (p < 0.05) in C. hupingshanensis grown in sterilized low- (32.4%), medium- (17%) and high-Se (42%) soils. Endophytes in C. hupingshanensis, such as Firmicutes and Proteobacteria, were likely recruited from the rhizobacteria, as evidenced by the isolated bacterial strains, and played an important role in Se hyperaccumulation, particularly during the flowering stage. This study provides new insights into potential mechanism underlying Se hyperaccumulation in C. hupingshanensis.
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Affiliation(s)
- Huawei Zang
- Institute of Polar Environment & Anhui Province Key Laboratory of Polar Environment and Global Change, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China; Department of Health and Environmental Sciences, Xi'an Jiaotong-Liverpool University, Suzhou 215123, Jiangsu, China
| | - Xinzhao Tong
- Department of Biological Science, Xi'an Jiaotong-Liverpool University, Suzhou 215123, Jiangsu, China
| | - Linxi Yuan
- Department of Health and Environmental Sciences, Xi'an Jiaotong-Liverpool University, Suzhou 215123, Jiangsu, China.
| | - Ying Zhang
- Nano science and Technology Institute, University of Science and Technology of China, Suzhou 215123, China
| | - Ru Zhang
- School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Miao Li
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, Anhui Province Key Laboratory of Crop Integrated Pest Management, School of Plant Protection, Anhui Agriculture University, Hefei 230036, China
| | - Renbin Zhu
- Institute of Polar Environment & Anhui Province Key Laboratory of Polar Environment and Global Change, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China.
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12
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Li J, Huang C, Lai L, Wang L, Li M, Tan Y, Zhang T. Selenium hyperaccumulator plant Cardamine enshiensis: from discovery to application. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:5515-5529. [PMID: 37355493 DOI: 10.1007/s10653-023-01595-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 04/25/2023] [Indexed: 06/26/2023]
Abstract
Selenium (Se) is an essential trace element for animals and humans. Se biofortification and Se functional agriculture are emerging strategies to satisfy the needs of people who are deficient in Se. With 200 km2 of Se-excess area, Enshi is known as the "world capital of Se." Cardamine enshiensis (C. enshiensis) is a Se hyperaccumulation plant discovered in the Se mine drainage area of Enshi. It is edible and has been approved by National Health Commission of the People's Republic of China as a new source of food, and the annual output value of the Se-rich industry in Enshi City exceeds 60 billion RMB. This review will mainly focus on the discovery and mechanism underlying Se tolerance and Se hyperaccumulation in C. enshiensis and highlight its potential utilization in Se biofortification agriculture, graziery, and human health.
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Affiliation(s)
- Jiao Li
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Chuying Huang
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China.
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China.
| | - Lin Lai
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Li Wang
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Minglong Li
- Second Geological Brigade of Hubei Geological Bureau, Enshi, 445000, Hubei, China
| | - Yong Tan
- Hubei Selenium and Human Health Institute, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi, Hubei, China
| | - Tao Zhang
- Cancer Center, Tongji Medical College, Union Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China.
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13
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Qu L, Xu J, Dai Z, Elyamine AM, Huang W, Han D, Dang B, Xu Z, Jia W. Selenium in soil-plant system: Transport, detoxification and bioremediation. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131272. [PMID: 37003006 DOI: 10.1016/j.jhazmat.2023.131272] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/09/2023] [Accepted: 03/21/2023] [Indexed: 05/03/2023]
Abstract
Selenium (Se) is an essential micronutrient for humans and a beneficial element for plants. However, high Se doses always exhibit hazardous effects. Recently, Se toxicity in plant-soil system has received increasing attention. This review will summarize (1) Se concentration in soils and its sources, (2) Se bioavailability in soils and influencing factors, (3) mechanisms on Se uptake and translocation in plants, (4) toxicity and detoxification of Se in plants and (5) strategies to remediate Se pollution. High Se concentration mainly results from wastewater discharge and industrial waste dumping. Selenate (Se [VI]) and selenite (Se [IV]) are the two primary forms absorbed by plants. Soil conditions such as pH, redox potential, organic matter and microorganisms will influence Se bioavailability. In plants, excessive Se will interfere with element uptake, depress photosynthetic pigment biosynthesis, generate oxidative damages and cause genotoxicity. Plants employ a series of strategies to detoxify Se, such as activating antioxidant defense systems and sequestrating excessive Se in the vacuole. In order to alleviate Se toxicity to plants, some strategies can be applied, including phytoremediation, OM remediation, microbial remediation, adsorption technique, chemical reduction technology and exogenous substances (such as Methyl jasmonate, Nitric oxide and Melatonin). This review is expected to expand the knowledge of Se toxicity/detoxicity in soil-plant system and offer valuable insights into soils Se pollution remediation strategies.
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Affiliation(s)
- Lili Qu
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
| | - Jiayang Xu
- College of Resources and Environment, Henan Agricultural University, Zhengzhou, Henan, China
| | - Zhihua Dai
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Ali Mohamed Elyamine
- Key Laboratory of Resources and Environmental Microbiology, Department of Biology, Shantou University, Shantou, Guangdong, China
| | - Wuxing Huang
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
| | - Dan Han
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
| | - Bingjun Dang
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
| | - Zicheng Xu
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
| | - Wei Jia
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, China; National Tobacco Cultivation and Physiology and Biochemistry Research Center, Zhengzhou, Henan, China; Key Laboratory for Tobacco Cultivation of Tobacco Industry, Zhengzhou, Henan, China
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14
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Khan Z, Thounaojam TC, Chowdhury D, Upadhyaya H. The role of selenium and nano selenium on physiological responses in plant: a review. PLANT GROWTH REGULATION 2023; 100:409-433. [PMID: 37197287 PMCID: PMC10036987 DOI: 10.1007/s10725-023-00988-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 02/24/2023] [Indexed: 05/15/2023]
Abstract
Selenium (Se), being an essential micronutrient, enhances plant growth and development in trace amounts. It also protects plants against different abiotic stresses by acting as an antioxidant or stimulator in a dose-dependent manner. Knowledge of Se uptake, translocation, and accumulation is crucial to achieving the inclusive benefits of Se in plants. Therefore, this review discusses the absorption, translocation, and signaling of Se in plants as well as proteomic and genomic investigations of Se shortage and toxicity. Furthermore, the physiological responses to Se in plants and its ability to mitigate abiotic stress have been included. In this golden age of nanotechnology, scientists are interested in nanostructured materials due to their advantages over bulk ones. Thus, the synthesis of nano-Se or Se nanoparticles (SeNP) and its impact on plants have been studied, highlighting the essential functions of Se NP in plant physiology. In this review, we survey the research literature from the perspective of the role of Se in plant metabolism. We also highlight the outstanding aspects of Se NP that enlighten the knowledge and importance of Se in the plant system. Graphical abstract
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Affiliation(s)
- Zesmin Khan
- Department of Botany, Cotton University, Guwahati, 781001 Assam India
| | | | - Devasish Chowdhury
- Physical Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, 781035 India
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15
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Dalla Vecchia F, Nardi S, Santoro V, Pilon-Smits E, Schiavon M. Brassica juncea and the Se-hyperaccumulator Stanleya pinnata exhibit a different pattern of chromium and selenium accumulation and distribution while activating distinct oxidative stress-response signatures. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121048. [PMID: 36634861 DOI: 10.1016/j.envpol.2023.121048] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/28/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Soils high in chromium and selenium exist in some countries, like China, India and the US. In the forms of chromate and selenate, these elements can compete during uptake by plants and lead to secondary effects on the absorption of the essential nutrient sulfur. In this study, we evaluated the potential of Brassica juncea and the Se-hyperaccumulator Stanleya pinnata to take-up and store chromium and selenium when applied individually or jointly, the effect on sulfur content, and the plant antioxidant responses. The aim is to advise the best use of these species in phytotechnologies. Plants were grown hydroponically with 50 μM chromate, 50 μM selenate and equimolar concentrations of both elements (50 μM chromate + 50 μM selenate). Our results suggest that B. juncea and S. pinnata possess transport systems with different affinity for chromate and selenate. The joint application of chromate and selenate restricted the accumulation of both elements, but the reduction of selenate uptake by chromate was more evident in B. juncea. On the other hand, selenate decreased chromium accumulation in B. juncea, whereas in S. pinnata such effect was evident only in roots. B. juncea plants stored more chromium and selenium than S. pinnata due to the higher biomass produced, but less selenium when treated with both elements. Chromate and selenate decreased sulfur accumulation in both species, but B. juncea was more sensitive to their toxicity when applied individually, as revealed by increased lipid peroxidation, hydrogen peroxide content in roots and antioxidant enzyme activity. This species can still be efficient for chromium and selenium phytoextraction as these elements in soil are less available than in hydroponics. In soils high in both elements, or low in selenium, S. pinnata is preferred for selenium phytoextraction and the biomass could be used for crop biofortification due its negligible chromium content.
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Affiliation(s)
| | - Serenella Nardi
- Dipartimento di Agronomia, Animali, Alimenti, Risorse Naturali e Ambiente (DAFNAE), Viale Dell'Università 16, 35020 Legnaro (PD), Italy
| | - Veronica Santoro
- Dipartimento di Scienze Agrarie, Forestali e Alimentari (DISAFA), Largo Paolo Braccini, 2, 10095, Grugliasco, (TO), Italy.
| | | | - Michela Schiavon
- Dipartimento di Agronomia, Animali, Alimenti, Risorse Naturali e Ambiente (DAFNAE), Viale Dell'Università 16, 35020 Legnaro (PD), Italy
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16
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Chang H, Zhu JM, Lin ZQ, Meng L. Topographic constraints on the distribution of selenium in the supergene environment: A case study at Yutangba, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 319:121026. [PMID: 36621714 DOI: 10.1016/j.envpol.2023.121026] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/20/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
The local topography and leaching conditions significantly affect the spatial distribution of selenium (Se) in the local environment. However, the driving factors controlling Se distribution have not been well addressed. In this paper, taking Yutangba, a village known for human selenosis in China, as an example, we demonstrate how topographic factors influence the spatial distribution of Se in soils and plants. In the scenarios of slope ≤25°, the correlations among slope and soil/extractable/plant Se are significantly negative (P < 0.05), whereas they become weak or unclear when the slope is > 25°, suggesting that 25° of slope is a critical transition boundary. Similar observations were further verified by the soil erosion modulus (SEM) and the surface runoff intensity index (SRI), indicating that Se transport via soil erosion is limited and accounts for 11.2-17% of the soil Se, while surface runoff plays a dominant role in the Se distribution, accounting for 83-88.1%. Soil extractable Se is negatively correlated with SRI (Pearson r = -0.87 at slope < 25°), showing that the migration capacity of Se is higher at steep terrain and controlled by topography through soil erosion and surface runoff. The positive relationship between plant Se and soil/extractable Se demonstrates that topography indirectly influences plant Se through soil Se bioavailability. Abnormally local Se enrichment observed at the elevated steep hillside (>25°) in northwestern Yutangba primarily was resulted from the weathering of Se-rich rocks. These observations confirm that the topographic slope gradient influences the transport and spatial distribution of soil Se, implying that topography should be considered when studying the spatial distribution of soil Se at a regional scale, especially for the Se-poor belt in China.
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Affiliation(s)
- Hui Chang
- State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences (Beijing), Beijing 100083, China
| | - Jian-Ming Zhu
- State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences (Beijing), Beijing 100083, China.
| | - Zhi-Qing Lin
- Department of Environmental Sciences and Department of Biological Sciences, Southern Illinois University, Edwardsville, IL 62026-1099, USA
| | - Lei Meng
- Department of Geography, Environment, and Tourism, Western Michigan University, Kalamazoo, MI 49008, USA
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17
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Xie H, Tian X, He L, Li J, Cui L, Cong X, Tang B, Zhang Y, Guo Z, Zhou A, Chen D, Wang L, Zhao J, Yu YL, Li B, Li YF. Spatial Metallomics Reveals Preferable Accumulation of Methylated Selenium in a Single Seed of the Hyperaccumulator Cardamine violifolia†. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:2658-2665. [PMID: 36695191 DOI: 10.1021/acs.jafc.2c08112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Cardamine violifolia is a Se hyperaccumulator found in Enshi, China. In this study, spatial metallomics was applied to visualize the distribution and speciation of Se in a single seed of C. violifolia. It was found that Se reached 1729.89 ± 28.14 mg/kg and the main Se species were SeCys and SeMet in bulk seeds. Further in situ study on a single seed found that the methylated Se species located mostly in the episperm. This is the first visualized evidence of the in situ distribution of methylated Se species in the seeds of C. violifolia. In all, spatial metallomics finds a preferable accumulation of methylated Se species in the seed coat, which deepens the understanding of the tolerance of Se by C. violifolia. The protocol applied in this study may also be used for the understanding of the tolerance of heavy metals/metalloids in other hyperaccumulators.
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Affiliation(s)
- Hongxin Xie
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, Liaoning, China
| | - Xue Tian
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, Liaoning, China
| | - Lina He
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- College of Environmental Science and Engineering, and State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, Shanghai 200092, China
| | - Jincheng Li
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- College of Mechanical Engineering, and National Consortium for Excellence in Metallomics, Guangxi University, Nanning 530004, Guangxi, China
| | - Liwei Cui
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Cong
- Enshi Se-Run Material Engineering Technology Co., Ltd., Enshi 445000, Hubei, China
| | - Bochong Tang
- Shimadzu China Innovation Center, Beijing 100020, China
| | - Yi Zhang
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing Synchrotron Radiation Facility, and High Energy Photon Source, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiying Guo
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing Synchrotron Radiation Facility, and High Energy Photon Source, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Aiyu Zhou
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing Synchrotron Radiation Facility, and High Energy Photon Source, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Dongliang Chen
- University of Chinese Academy of Sciences, Beijing 100049, China
- Beijing Synchrotron Radiation Facility, and High Energy Photon Source, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Liming Wang
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiating Zhao
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yong-Liang Yu
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, Liaoning, China
| | - Bai Li
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Yu-Feng Li
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Beijing Metallomics Facility, and National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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18
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Subirana MA, Boada R, Xiao T, Llugany M, Valiente M. Direct and indirect selenium speciation in biofortified wheat: A tale of two techniques. PHYSIOLOGIA PLANTARUM 2023; 175:e13843. [PMID: 36538026 PMCID: PMC10107779 DOI: 10.1111/ppl.13843] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/26/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Wheat can be biofortified with different inorganic selenium (Se) forms, selenite or selenate. The choice of Se source influences the physiological response of the plant and the Se metabolites produced. We looked at selenium uptake, distribution and metabolization in wheat exposed to selenite, selenate and a 1:1 molar mixture of both to determine the impact of each treatment on the Se speciation in roots, shoots, and grains. To achieve a comprehensive quantification of the Se species, the complementarity of high-performance liquid chromatography coupled with inductively coupled plasma mass spectrometry and X-ray absorption spectroscopy was exploited. This approach allowed the identification of the six main selenium species: selenomethionine, selenocysteine, selenocystine, selenite, selenate, and elemental selenium. The three treatments resulted in similar total selenium concentration in grains, 90-150 mg Se kg-1 , but produced different effects in the plant. Selenite enhanced root accumulation (66% of selenium) and induced the maximum toxicity, whereas selenate favored shoot translocation (46%). With the 1:1 mixture, selenium was distributed along the plant generating lower toxicity. Although all conditions resulted in >92% of organic selenium in the grain, selenate produced mainly C-Se-C forms, such as selenomethionine, while selenite (alone or in the mixture) enhanced the production of C-Se-Se-C forms, such as selenocystine, modifying the selenoamino acid composition. These results provide a better understanding of the metabolization of selenium species which is key to minimize plant toxicity and any concomitant effect that may arise due to Se-biofortification.
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Affiliation(s)
- Maria Angels Subirana
- GTS‐UAB Research Group, Department of Chemistry, Faculty of ScienceUniversitat Autònoma de BarcelonaBellaterraSpain
| | - Roberto Boada
- GTS‐UAB Research Group, Department of Chemistry, Faculty of ScienceUniversitat Autònoma de BarcelonaBellaterraSpain
| | - Tingting Xiao
- GTS‐UAB Research Group, Department of Chemistry, Faculty of ScienceUniversitat Autònoma de BarcelonaBellaterraSpain
| | - Mercè Llugany
- Plant Physiology Group (BABVE), Facultat de BiociènciesUniversitat Autònoma de BarcelonaBellaterraSpain
| | - Manuel Valiente
- GTS‐UAB Research Group, Department of Chemistry, Faculty of ScienceUniversitat Autònoma de BarcelonaBellaterraSpain
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19
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Liu H, Xiao C, Qiu T, Deng J, Cheng H, Cong X, Cheng S, Rao S, Zhang Y. Selenium Regulates Antioxidant, Photosynthesis, and Cell Permeability in Plants under Various Abiotic Stresses: A Review. PLANTS (BASEL, SWITZERLAND) 2022; 12:44. [PMID: 36616173 PMCID: PMC9824017 DOI: 10.3390/plants12010044] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Plant growth is affected by various abiotic stresses, including water, temperature, light, salt, and heavy metals. Selenium (Se) is not an essential nutrient for plants but plays important roles in alleviating the abiotic stresses suffered by plants. This article summarizes the Se uptake and metabolic processes in plants and the functions of Se in response to water, temperature, light, salt, and heavy metal stresses in plants. Se promotes the uptake of beneficial substances, maintains the stability of plasma membranes, and enhances the activity of various antioxidant enzymes, thus alleviating adverse effects in plants under abiotic stresses. Future research directions on the relationship between Se and abiotic stresses in plants are proposed. This article will further deepen our understanding of the relationship between Se and plants.
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Affiliation(s)
- Haodong Liu
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Chunmei Xiao
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Tianci Qiu
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jie Deng
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Hua Cheng
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Xin Cong
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
- Enshi Se-Run Material Engineering Technology Co., Ltd., Enshi 445000, China
| | - Shuiyuan Cheng
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shen Rao
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-Rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yue Zhang
- Enshi Se-Run Material Engineering Technology Co., Ltd., Enshi 445000, China
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20
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Gui JY, Rao S, Huang X, Liu X, Cheng S, Xu F. Interaction between selenium and essential micronutrient elements in plants: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 853:158673. [PMID: 36096215 DOI: 10.1016/j.scitotenv.2022.158673] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Nutrient imbalance (i.e., deficiency and toxicity) of microelements is an outstanding environmental issue that influences each aspect of ecosystems. Although the crucial roles of microelements in entire lifecycle of plants have been widely acknowledged, the effective control of microelements is still neglected due to the narrow safe margins. Selenium (Se) is an essential element for humans and animals. Although it is not believed to be indispensable for plants, many literatures have reported the significance of Se in terms of the uptake, accumulation, and detoxification of essential microelements in plants. However, most papers only concerned on the antagonistic effect of Se on metal elements in plants and ignored the underlying mechanisms. There is still a lack of systematic review articles to summarize the comprehensive knowledge on the connections between Se and microelements in plants. In this review, we conclude the bidirectional effects of Se on micronutrients in plants, including iron, zinc, copper, manganese, nickel, molybdenum, sodium, chlorine, and boron. The regulatory mechanisms of Se on these micronutrients are also analyzed. Moreover, we further emphasize the role of Se in alleviating element toxicity and adjusting the concentration of micronutrients in plants by altering the soil conditions (e.g., adsorption, pH, and organic matter), promoting microbial activity, participating in vital physiological and metabolic processes, generating element competition, stimulating metal chelation, organelle compartmentalization, and sequestration, improving the antioxidant defense system, and controlling related genes involved in transportation and tolerance. Based on the current understanding of the interaction between Se and these essential elements, future directions for research are suggested.
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Affiliation(s)
- Jia-Ying Gui
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Shen Rao
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Xinru Huang
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Xiaomeng Liu
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shuiyuan Cheng
- School of Modern Industry for Selenium Science and Engineering, National R&D Center for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China.
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
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21
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Demiralay M. Exogenous acetone O-(4-chlorophenylsulfonyl) oxime alleviates Cd stress-induced photosynthetic damage and oxidative stress by regulating the antioxidant defense mechanism in Zea mays. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2022; 28:2069-2083. [PMID: 36573151 PMCID: PMC9789276 DOI: 10.1007/s12298-022-01258-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 10/06/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
Cadmium (Cd) toxicity in leaves decreases their photosynthetic efficiency by degrading photosynthetic pigments, reducing the activity of gas exchange parameters and photosystem II (PSII), and producing reactive oxygen species. Although acetone O-(4-chlorophenylsulfonyl) oxime (AO) alleviates stress due to heavy metals in plants, its effects on the photosynthetic apparatus and redox balance under Cd stress are not clear. Herein, the role of AO in modulating the relationship between the antioxidant defense system and photosynthetic performance including chlorophyll fluorescence and gas exchange in mitigating the stress damage caused by Cd in maize seedlings was investigated. Three-week-old maize seedlings were pre-treated with AO (0.66 mM) and exposed to 100 µM Cd stress. Our findings indicated that AO application increased Cd accumulation, thiobarbituric acid-reactive substances (TBARS), photosynthetic rate, hydrogen peroxide (H2O2), total chlorophyll and carotenoid, transpiration, stomatal conductance, maximum photochemical efficiency of PSII (Fv/Fm), effective quantum yield of PSII (ΦPSII), intercellular CO2 concentration, photochemical quenching (qP), superoxide dismutase, electron transport rate, proline, ascorbate peroxidase, catalase, guaiacol peroxidase, 4-hydroxybenzoic acid, catechol, and cinnamic acid in maize seedling under Cd stress. Conversely, AO significantly reduced oxidative damage levels (H2O2, TBARS). It was concluded that exogenous AO can overcome Cd-mediated oxidative damage and hence protect the photosynthetic machinery by providing stress tolerance and regulating the antioxidant defense mechanism, which includes proline, phenolic compounds, and antioxidant enzyme activities. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-022-01258-5.
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Affiliation(s)
- Mehmet Demiralay
- Department of Forestry Engineering, Faculty of Forestry, Artvin Coruh University, 0800 Artvin, Turkey
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22
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Pinto Irish K, Harvey MA, Harris HH, Aarts MGM, Chan CX, Erskine PD, van der Ent A. Micro-analytical and molecular approaches for understanding the distribution, biochemistry, and molecular biology of selenium in (hyperaccumulator) plants. PLANTA 2022; 257:2. [PMID: 36416988 PMCID: PMC9684236 DOI: 10.1007/s00425-022-04017-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Micro-analytical techniques to untangle Se distribution and chemical speciation in plants coupled with molecular biology analysis enable the deciphering of metabolic pathways responsible for Se tolerance and accumulation. Selenium (Se) is not essential for plants and is toxic at high concentrations. However, Se hyperaccumulator plants have evolved strategies to both tolerate and accumulate > 1000 µg Se g-1 DW in their living above-ground tissues. Given the complexity of the biochemistry of Se, various approaches have been adopted to study Se metabolism in plants. These include X-ray-based techniques for assessing distribution and chemical speciation of Se, and molecular biology techniques to identify genes implicated in Se uptake, transport, and assimilation. This review presents these techniques, synthesises the current state of knowledge on Se metabolism in plants, and highlights future directions for research into Se (hyper)accumulation and tolerance. We conclude that powerful insights may be gained from coupling information on the distribution and chemical speciation of Se to genome-scale studies to identify gene functions and molecular mechanisms that underpin Se tolerance and accumulation in these ecologically and biotechnologically important plants species. The study of Se metabolism is challenging and is a useful testbed for developing novel analytical approaches that are potentially more widely applicable to the study of the regulation of a wide range of metal(loid)s in hyperaccumulator plants.
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Affiliation(s)
- Katherine Pinto Irish
- The University of Queensland, Sustainable Minerals Institute, Centre for Mined Land Rehabilitation, Brisbane, QLD, 4072, Australia
| | - Maggie-Anne Harvey
- The University of Queensland, Sustainable Minerals Institute, Centre for Mined Land Rehabilitation, Brisbane, QLD, 4072, Australia
| | - Hugh H Harris
- Department of Chemistry, The University of Adelaide, Adelaide, SA, Australia
| | - Mark G M Aarts
- Laboratory of Genetics, Wageningen University and Research, Wageningen, The Netherlands
| | - Cheong Xin Chan
- The University of Queensland, School of Chemistry and Molecular Biosciences, Australian Centre for Ecogenomics, Brisbane, QLD, 4072, Australia
| | - Peter D Erskine
- The University of Queensland, Sustainable Minerals Institute, Centre for Mined Land Rehabilitation, Brisbane, QLD, 4072, Australia
| | - Antony van der Ent
- The University of Queensland, Sustainable Minerals Institute, Centre for Mined Land Rehabilitation, Brisbane, QLD, 4072, Australia.
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23
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Li L, Yu J, Li L, Rao S, Wu S, Wang S, Cheng S, Cheng H. Treatment of Ginkgo biloba with Exogenous Sodium Selenite Affects Its Physiological Growth, Changes Its Phytohormones, and Synthesizes Its Terpene Lactones. Molecules 2022; 27:7548. [PMID: 36364373 PMCID: PMC9655945 DOI: 10.3390/molecules27217548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/01/2022] [Accepted: 11/01/2022] [Indexed: 11/14/2023] Open
Abstract
Ginkgolide is a unique terpenoid natural compound in Ginkgo biloba, and it has an important medicinal value. Proper selenium has been reported to promote plant growth and development, and improve plant quality, stress resistance, and disease resistance. In order to study the effects of exogenous selenium (Se) on the physiological growth and the content of terpene triolactones (TTLs) in G. biloba seedlings, the seedlings in this work were treated with Na2SeO3. Then, the physiological indexes, the content of the TTLs, and the expression of the related genes were determined. The results showed that a low dose of Na2SeO3 was beneficial to plant photosynthesis as it promoted the growth of ginkgo seedlings and increased the root to shoot ratio. Foliar Se application significantly increased the content of soluble sugar and protein and promoted the content of TTLs in ginkgo leaves; indeed, it reached the maximum value of 7.95 mg/g in the ninth week, whereas the application of Se to the roots inhibited the synthesis of TTLs. Transcriptome analysis showed that foliar Se application promoted the expression levels of GbMECPs, GbMECT, GbHMGR, and GbMVD genes, whereas its application to the roots promoted the expression of GbDXS and GbDXR genes. The combined analysis results of metabolome and transcriptome showed that genes such as GbDXS, GbDXR, GbHMGR, GbMECPs, and GbCYP450 were significantly positively correlated with transcription factors (TFs) GbWRKY and GbAP2/ERF, and they were also positively correlated with the contents of terpene lactones (ginkgolide A, ginkgolide B, ginkgolide M, and bilobalide). Endogenous hormones (MeJA-ILE, ETH, and GA7) were also involved in this process. The results suggested that Na2SeO3 treatment affected the transcription factors related to the regulation of endogenous hormones in G. biloba, and further regulated the expression of genes related to the terpene synthesis structure, thus promoting the synthesis of ginkgo TTLs.
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Affiliation(s)
- Linling Li
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- National R&D Center for Se-Rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jie Yu
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Li Li
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- National R&D Center for Se-Rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shen Rao
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- National R&D Center for Se-Rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shuai Wu
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shiyan Wang
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shuiyuan Cheng
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Hua Cheng
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- National R&D Center for Se-Rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan 430023, China
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24
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Chao W, Rao S, Chen Q, Zhang W, Liao Y, Ye J, Cheng S, Yang X, Xu F. Advances in Research on the Involvement of Selenium in Regulating Plant Ecosystems. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11202712. [PMID: 36297736 PMCID: PMC9607533 DOI: 10.3390/plants11202712] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/26/2022] [Accepted: 10/11/2022] [Indexed: 05/15/2023]
Abstract
Selenium is an essential trace element which plays an important role in human immune regulation and disease prevention. Plants absorb inorganic selenium (selenite or selenate) from the soil and convert it into various organic selenides (such as seleno amino acids, selenoproteins, and volatile selenides) via the sulfur metabolic pathway. These organic selenides are important sources of dietary selenium supplementation for humans. Organoselenides can promote plant growth, improve nutritional quality, and play an important regulatory function in plant ecosystems. The release of selenium-containing compounds into the soil by Se hyperaccumulators can promote the growth of Se accumulators but inhibit the growth and distribution of non-Se accumulators. Volatile selenides with specific odors have a deterrent effect on herbivores, reducing their feeding on plants. Soil microorganisms can effectively promote the uptake and transformation of selenium in plants, and organic selenides in plants can improve the tolerance of plants to pathogenic bacteria. Although selenium is not an essential trace element for plants, the right amount of selenium has important physiological and ecological benefits for them. This review summarizes recent research related to the functions of selenium in plant ecosystems to provide a deeper understanding of the significance of this element in plant physiology and ecosystems and to serve as a theoretical basis and technical support for the full exploitation and rational application of the ecological functions of selenium-accumulating plants.
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Affiliation(s)
- Wei Chao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
- Engineering Research Center of Ecology and Agricultural Use of Wetland of Ministry of Education, Yangtze University, Jingzhou 434025, China
- Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, Yangtze University, Jingzhou 434025, China
| | - Shen Rao
- National R&D Center for Se-Rich Agricultural Products Processing, School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Qiangwen Chen
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Weiwei Zhang
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Yongling Liao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Jiabao Ye
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
| | - Shuiyuan Cheng
- National R&D Center for Se-Rich Agricultural Products Processing, School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Xiaoyan Yang
- Henry Fok School of Biology and Agricultural, Shaoguan University, Shaoguan 512005, China
- Correspondence: (X.Y.); or (F.X.)
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China
- Correspondence: (X.Y.); or (F.X.)
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25
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Chen H, Cheng Q, Chen Q, Ye X, Qu Y, Song W, Fahad S, Gao J, Saud S, Xu Y, Shen Y. Effects of Selenium on Growth and Selenium Content Distribution of Virus-Free Sweet Potato Seedlings in Water Culture. FRONTIERS IN PLANT SCIENCE 2022; 13:965649. [PMID: 35874011 PMCID: PMC9298572 DOI: 10.3389/fpls.2022.965649] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Understanding the selenium tolerance of different sweet potato [Dioscorea esculenta (Lour.) Burkill] is essential for simultaneously for breeding of new selenium-tolerant varieties and improving the selenium content in sweet potato. Therefore, a greenhouse experiment was conducted from February to April 2022 to evaluate the effect of sweet potato cultivars and selenium (Na2SeO3) concentrations (0-40 mg/L) on plant growth, physiological activities and plant selenium content distribution. The results showed that when the selenium concentration was more than 3 mg/L, the plant growth was significantly affected and the plant height and root length were significantly different compared to the control. While the selenium concentration was 20 and 40 mg/L had the greatest effect on plant growth when the number of internodes and leaves of the plant decreased, the root system stopped growing and the number of internodes of the plant, the number of leaves and the dry-to-fresh weight ratio of the plant a very significant level compared to reached control. The relative amount of chlorophyll in leaves under treatment with a selenium concentration of 1 mg/L was increased, and the relative amount of chlorophyll in 3 mg/L leaves gradually increased with the increase in the selenium concentration. The values of the maximum photochemical efficiency PSII (fv/fm) and the potential activity of PSII (fv/fo) compared to the control under treatment with 40 mg/L selenium concentration and photosynthesis of plants was inhibited. The selenium content in root, stem and leaf increased with the increase in selenium concentration, and the distribution of selenium content in the plant was leaf <stem <root, and the selenium content in root was significantly higher than that in stem and leaf. In summary, the appropriate concentration of selenium tolerance has been determined to be 3 mg/L. The aquatic culture identification method of selenium tolerance of sweet potatoes and growth indices of various selenium tolerant varieties (lines) established in this study will provide a technical basis for selenium tolerant cultivation and mechanism research.
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Affiliation(s)
- Huoyun Chen
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Qun Cheng
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Qiaoling Chen
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Xingzhi Ye
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Yong Qu
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Weiwu Song
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
| | - Shah Fahad
- Hainan Key Laboratory for Sustainable Utilization of Tropical Bioresource, College of Tropical Crops, Hainan University, Haikou, China
- Department of Agronomy, Faculty of Agricultural Sciences, The University of Haripur, Haripur, Pakistan
| | - Jianhua Gao
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
| | - Shah Saud
- College of Life Science, Linyi University, Linyi, China
| | - Yi Xu
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
- Enshi Comprehensive Test Station of Sweet Potato Industry Technology System, Enshi, China
| | - Yanfen Shen
- Academy of Agricultural Sciences, Enshi Tujia and Miao Autonomous Prefecture, Enshi, China
- Hubei Enshi South China Potato Research Center, Enshi, China
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Khan MS, Soyk A, Wolf I, Peter M, Meyer AJ, Rausch T, Wirtz M, Hell R. Discriminative Long-Distance Transport of Selenate and Selenite Triggers Glutathione Oxidation in Specific Subcellular Compartments of Root and Shoot Cells in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2022; 13:894479. [PMID: 35812960 PMCID: PMC9263558 DOI: 10.3389/fpls.2022.894479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Selenium is an essential trace element required for seleno-protein synthesis in many eukaryotic cells excluding higher plants. However, a substantial fraction of organically bound selenide in human nutrition is directly or indirectly derived from plants, which assimilate inorganic selenium into organic seleno-compounds. In humans, selenium deficiency is associated with several health disorders Despite its importance for human health, selenium assimilation and metabolism is barely understood in plants. Here, we analyzed the impact of the two dominant forms of soil-available selenium, selenite and selenate, on plant development and selenium partitioning in plants. We found that the reference plant Arabidopsis thaliana discriminated between selenate and selenite application. In contrast to selenite, selenate was predominantly deposited in leaves. This explicit deposition of selenate caused chlorosis and impaired plant morphology, which was not observed upon selenite application. However, only selenate triggered the accumulation of the macronutrient sulfur, the sister element of selenium in the oxygen group. To understand the oxidation state-specific toxicity mechanisms for selenium in plants, we quantified the impact of selenate and selenite on the redox environment in the plastids and the cytosol in a time-resolved manner. Surprisingly, we found that selenite first caused the oxidation of the plastid-localized glutathione pool and had a marginal impact on the redox state of the cytosolic glutathione pool, specifically in roots. In contrast, selenate application caused more vigorous oxidation of the cytosolic glutathione pool but also impaired the plastidic redox environment. In agreement with the predominant deposition in leaves, the selenate-induced oxidation of both glutathione pools was more pronounced in leaves than in roots. Our results demonstrate that Se-species dependent differences in Se partitioning substantially contribute to whole plant Se toxicity and that these Se species have subcellular compartment-specific impacts on the glutathione redox buffer that correlate with toxicity symptoms.
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Affiliation(s)
- Muhammad Sayyar Khan
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
- Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar, Pakistan
| | - Anna Soyk
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Ingo Wolf
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Miriam Peter
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Andreas J. Meyer
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
- INRES - Chemical Signalling, University of Bonn, Bonn, Germany
| | - Thomas Rausch
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Markus Wirtz
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
| | - Rüdiger Hell
- Centre for Organismal Studies, Heidelberg University, Heidelberg, Germany
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Guo Z, Zhu B, Guo J, Wang G, Li M, Yang Q, Wang L, Fei Y, Wang S, Yu T, Sun Y. Impact of selenium on rhizosphere microbiome of a hyperaccumulation plant Cardamine violifolia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40241-40251. [PMID: 35122198 DOI: 10.1007/s11356-022-18974-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
Cardamine violifolia is the only selenium hyperaccumulation plant found in China. It has been developed as a source of medicinal and edible products that we can consume as selenium supplements. Many planting approaches have been developed to increase the selenium content of C. violifolia for nutrient biofortification. However, the contribution of rhizosphere microbes of C. violifolia to selenium enrichment has not been investigated. In this study, four types of selenium, i.e., selenate, selenite, nanoparticles selenium from Bacillus subtilis (B. subtilis-Se), and organic selenium from yeast (yeast-Se), were added to the soil that C. violifolia was grown in, respectively. Selenate led to the greatest accumulation of selenium in C. violifolia, followed by selenite, B. subtilis-Se, and yeast-Se. Except for yeast-Se, the concentration of selenium in C. violifolia positively correlated with the amount of selenium added to the soil. Furthermore, the different types of exogenous selenium exhibited distinct effects on the rhizosphere microbiome of C. violifolia. Alpha and beta diversity analyses demonstrated that rhizosphere microbiome was more obviously affected by selenium from B. subtilis and yeast than from selenate and selenite. Different microbial species were enriched in the rhizosphere of C. violifolia under various exogenous selenium treatments. B. subtilis-Se application enhanced the abundance of Leucobacter, Sporosarcina, Patulibacter, and Denitrobacter, and yeast-Se application enriched the abundance of Singulishaera, Lactobacillus, Bdellovibrio, and Bosea. Bosea and the taxon belonging to the order Solirubrobacterales were enriched in the samples with selenate and selenite addition, respectively, and the abundances of these were linearly related to the concentrations of selenate and selenite applied in the rhizosphere of C. violifolia. In summary, this study revealed the response of the rhizosphere microbiome of C. violifolia to exogenous selenium. Our findings are useful for developing suitable selenium fertilizers to increase the selenium hyperaccumulation level of this plant.
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Affiliation(s)
- Zisheng Guo
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Bin Zhu
- Philips Institute for Oral Health Research, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Jia Guo
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, 213164, China
| | - Gongting Wang
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Meng Li
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China
| | - Qiaoli Yang
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Liping Wang
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Yue Fei
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Shiwei Wang
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China
| | - Tian Yu
- Enshi Se-Run Health Tech Development Co., Ltd., Enshi, 445000, China.
| | - Yanmei Sun
- Key Laboratory of Resources Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, China.
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Fucheng Road, Beijing, 100048, China.
- Provincial Key Laboratory of Biotechnology of Shaanxi Province, College of Life Sciences, Northwest University, Xi'an, 710069, China.
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Lima LW, Castleberry M, Wangeline AL, Aguirre B, Dall’Acqua S, Pilon-Smits EAH, Schiavon M. Hyperaccumulator Stanleya pinnata: In Situ Fitness in Relation to Tissue Selenium Concentration. PLANTS (BASEL, SWITZERLAND) 2022; 11:690. [PMID: 35270160 PMCID: PMC8912631 DOI: 10.3390/plants11050690] [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: 02/04/2022] [Revised: 02/26/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Earlier studies have shown that Stanleya pinnata benefits from selenium hyperaccumulation through ecological benefits and enhanced growth. However, no investigation has assayed the effects of Se hyperaccumulation on plant fitness in the field. This research aimed to analyze how variation in Se accumulation affects S. pinnata fitness, judged from physiological and biochemical performance parameters and herbivory while growing naturally on two seleniferous sites. Natural variation in Se concentration in vegetative and reproductive tissues was determined, and correlations were explored between Se levels with fitness parameters, herbivory damage, and plant defense compounds. Leaf Se concentration varied between 13- and 55-fold in the two populations, averaging 868 and 2482 mg kg−1 dry weight (DW). Furthermore, 83% and 31% of plants from the two populations showed Se hyperaccumulator levels in leaves (>1000 mg kg−1 DW). In seeds, the Se levels varied 3−4-fold and averaged 3372 and 2267 mg kg−1 DW, well above the hyperaccumulator threshold. Plant size and reproductive parameters were not correlated with Se concentration. There was significant herbivory pressure even on the highest-Se plants, likely from Se-resistant herbivores. We conclude that the variation in Se hyperaccumulation did not appear to enhance or compromise S. pinnata fitness in seleniferous habitats within the observed Se range.
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Affiliation(s)
- Leonardo Warzea Lima
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
| | - McKenna Castleberry
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
| | - Ami L. Wangeline
- Biology Department, Laramie County Community College, Cheyenne, WY 82007, USA; (A.L.W.); (B.A.)
| | - Bernadette Aguirre
- Biology Department, Laramie County Community College, Cheyenne, WY 82007, USA; (A.L.W.); (B.A.)
| | - Stefano Dall’Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131 Padova, Italy;
| | | | - Michela Schiavon
- Biology Department, Colorado State University, Fort Collins, CO 80523, USA; (L.W.L.); (M.C.); (E.A.H.P.-S.)
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, University of Torino, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
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SELENIUM BIOFORTIFICATION VIA SOIL AND ITS EFFECT ON PLANT METABOLISM AND MINERAL CONTENT OF SORGHUM PLANTS. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104505] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Wang Z, Huang W, Pang F. Selenium in Soil-Plant-Microbe: A Review. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 108:167-181. [PMID: 34617141 DOI: 10.1007/s00128-021-03386-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Selenium (Se) plays an important role in geochemistry and is an essential trace element for humans and animals. This review summarizes the transformation and accumulation of Se in the plant-soil-microbe system. As one of the important reservoirs of Se, soil is an important material basis of its entry into the food chain through plants. Soil with an appropriate amount of Se is beneficial for plant growth and plays a valuable role in a stress-resistant environment. Among the many migration and transformation pathways, the transformation of Se by microorganisms is particularly important and is the main form of Se transformation in the soil environment. In this review, the role and form transformation of Se in plants, soil, and microorganisms; the role of Se in plants; the form, input, and output of Se in soil; the absorption and transformation of Se by plants; and the role of microorganisms in Se transformation are presented. In addition to describing the migration and transformation laws of Se in the environment, this review expounds on the main directions and trends of Se research in the agricultural field as well as current gaps and difficulties in Se-related research. Overall, this reviews aims to provide necessary information and theoretical references for the development of Se-rich agriculture.
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Affiliation(s)
- Zhen Wang
- College of Biology and Pharmacy, Yulin Normal University, Yulin, 537000, China
| | - Wei Huang
- College of Biology and Pharmacy, Yulin Normal University, Yulin, 537000, China.
| | - Fei Pang
- College of Biology and Pharmacy, Yulin Normal University, Yulin, 537000, China.
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31
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Feng X, Ma Q. Transcriptome and proteome profiling revealed molecular mechanism of selenium responses in bread wheat (Triticum aestivum L.). BMC PLANT BIOLOGY 2021; 21:584. [PMID: 34886810 PMCID: PMC8656055 DOI: 10.1186/s12870-021-03368-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Although selenium (Se) plays important roles in scavenging free radicals, alleviating oxidative stresses, and strengthening immune system, the knowledge about Se responses in bread wheat is still limited. In order to clarify the molecular mechanism of Se responses in bread wheat, 2-week-old wheat seedlings of cultivar 'Jimai22' treated with 10 μM disodium selenate (Na2SeO4) for 0, 3, and 24 h were collected and analyzed by transcriptional sequencing and tandem mass tag-based (TMT) quantitative proteomics. RESULTS At least 11,656 proteins and 133,911 genes were identified, and proteins including ATP sulfurylase (APS), cysteine synthase (CS), SeCys lyase, sulfate transporters, glutathione S-transferase (GSTs), glutathione peroxidase (GSH-Px), glutaredoxins (GRXs), superoxide dismutases (SODs), catalases (CATs), heat shock proteins (HSPs), UDP-glycose flavonoid glycosyltransferases (UFGTs), sucrose-6-phosphate hydrolases (Suc-6-PHs), archaeal phosphoglucose isomerases (APGIs), malate synthases (MSs), and endo-1,4-beta-xylanase (Xyn) in Se accumulation, ROS scavenging, secondary metabolism, and carbohydrate metabolism were significantly differently expressed. CONCLUSIONS This is the first complementary analyses of the transcriptome and proteome related with selenium responses in bread wheat. Our work enhances the understanding about the molecular mechanism of selenium responses in bread wheat.
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Affiliation(s)
- Xiaoqing Feng
- Shandong Province Key Laboratory of Applied Mycology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109 China
| | - Qian Ma
- Shandong Province Key Laboratory of Applied Mycology, College of Life Science, Qingdao Agricultural University, Qingdao, 266109 China
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32
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Tran TAT, Dinh QT, Zhou F, Zhai H, Xue M, Du Z, Bañuelos GS, Liang D. Mechanisms underlying mercury detoxification in soil-plant systems after selenium application: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:46852-46876. [PMID: 34254235 DOI: 10.1007/s11356-021-15048-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 06/17/2021] [Indexed: 05/12/2023]
Abstract
Feasible countermeasures to mitigate mercury (Hg) accumulation and its deleterious effects on crops are urgently needed worldwide. Selenium (Se) fertilizer application is a cost-effective strategy to reduce Hg concentrations, promote agro-environmental sustainability and food safety, and decrease the public health risk posed by Hg-contaminated soils and its accumulation in food crops. This holistic review focuses on the processes and detoxification mechanisms of Hg in whole soil-plant systems after Se application. The reduction of Hg bioavailability in soil, the formation of inert HgSe or/and HgSe-containing proteinaceous complexes in the rhizosphere and/or roots, and the reduction of plant root uptake and translocation of Hg in plant after Se application are systemically discussed. In addition, the positive responses in plant physiological and biochemical processes to Se application under Hg stress are presented to show the possible mechanisms for protecting the plant. However, application of high levels Se showed synergistic toxic effect with Hg and inhibited plant growth. The effectiveness of Se application methods, rates, and species on Hg detoxification is compared. This review provides a good approach for plant production in Hg-contaminated areas to meet food security demands and reduce the public health risk.
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Affiliation(s)
- Thi Anh Thu Tran
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
- Faculty of Natural Resources and Environmental Management, Thu Dau Mot University, Thu Dau Mot City, Binh Duong, Vietnam
| | - Quang Toan Dinh
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
- Department of Natural Resources and Environment of Thanh Hoa, Thanh Hoa, 400570, Vietnam
| | - Fei Zhou
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Hui Zhai
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Mingyue Xue
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Zekun Du
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Gary S Bañuelos
- USDA, Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, Parlier, CA, 93648-9757, USA
| | - Dongli Liang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
- Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling, 712100, Shaanxi, China.
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33
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Singh S, Kumar V, Datta S, Dhanjal DS, Singh S, Kumar S, Kapoor D, Prasad R, Singh J. Physiological responses, tolerance, and remediation strategies in plants exposed to metalloids. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:40233-40248. [PMID: 32748354 DOI: 10.1007/s11356-020-10293-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/27/2020] [Indexed: 05/25/2023]
Abstract
Metalloids are a subset of particular concern to risk assessors and toxicologists because of their well-documented potential hazards to plant system. Most of the metalloids are major environmental contaminants which affect crop productivity when present in high concentrations in soil. Metalloids are coupled with carrier proteins of the plasma membrane and translocated to various organs causing changes in key metabolic processes, damages cell biomolecules, and finally inhibit its growth. Phytoremediation-based approaches help in understanding the molecular and biochemical mechanisms for prerequisite recombinant genetic approaches. Recent advancements in proteomics and plant genomics help in understanding the role of transcription factors, metabolites, and genes in plant system which confers metal tolerance. The present review summarizes our current status of knowledge in this direction related to various physiological responses, detoxification mechanisms, and remediation strategies of metalloids in crop plants in relation to plant-metalloid tolerance. Further, the role of various transcription factors and miRNAs in conferring metal tolerance is also briefed. Hence, the present review mainly focused on the alterations in the physiological activities of plants due to metalloid toxicity and the various mechanisms which get activated inside the plants to mitigate their toxic effects.
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Affiliation(s)
- Simranjeet Singh
- Department of Biotechnology, Lovely Professional University, Phagwara, Punjab, 144411, India
- Punjab Biotechnology Incubator (PBTI), Phase-V, S.A.S. Nagar, Punjab, 160059, India
- RAWTL, Department of Water Supply and Sanitation, Phase-II, S.A.S. Nagar, Punjab, 160054, India
| | - Vijay Kumar
- Regional Ayurveda Research Institute for Drug Development, Gwalior, Madhya Pradesh, 474009, India
| | - Shivika Datta
- Department of Zoology, Doaba College Jalandhar, Jalandhar, Punjab, 144001, India
| | - Daljeet Singh Dhanjal
- Department of Biotechnology, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Satyender Singh
- RAWTL, Department of Water Supply and Sanitation, Phase-II, S.A.S. Nagar, Punjab, 160054, India
| | - Sanjay Kumar
- Punjab Biotechnology Incubator (PBTI), Phase-V, S.A.S. Nagar, Punjab, 160059, India
- RAWTL, Department of Water Supply and Sanitation, Phase-II, S.A.S. Nagar, Punjab, 160054, India
| | - Dhriti Kapoor
- Department of Botany, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Ram Prasad
- Department of Botany, Mahatma Gandhi Central University, Motihari, Bihar, India.
| | - Joginder Singh
- Department of Biotechnology, Lovely Professional University, Phagwara, Punjab, 144411, India.
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34
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Ghassemi S, Delangiz N, Asgari Lajayer B, Saghafi D, Maggi F. Review and future prospects on the mechanisms related to cold stress resistance and tolerance in medicinal plants. ACTA ACUST UNITED AC 2021. [DOI: 10.1016/j.chnaes.2020.09.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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35
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Raina M, Sharma A, Nazir M, Kumari P, Rustagi A, Hami A, Bhau BS, Zargar SM, Kumar D. Exploring the new dimensions of selenium research to understand the underlying mechanism of its uptake, translocation, and accumulation. PHYSIOLOGIA PLANTARUM 2021; 171:882-895. [PMID: 33179766 DOI: 10.1111/ppl.13275] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 10/29/2020] [Indexed: 06/11/2023]
Abstract
Selenium (Se) is a vital mineral for both plants and animals. It is widely distributed on the earth's crust and is taken up by the plants as selenite or selenate. Plants substantially vary in their physiological response to Se. The amount of Se in edible plants is genetically controlled. Its availability can be determined by measuring its phytoavailability in soil. The low concentration of Se in plants can help them in combating stress, whereas higher concentrations can be detrimental to plant health and in most cases it is toxic. Thus, solving the double-edged sword problem of nutritional Se deficiency and its elevated concentrations in environment requires a better understanding of Se uptake and metabolism in plants. The studies on Se uptake and metabolism can help in genetic biofortification of Se in plants and also assist in phytoremediation. Moreover, Se uptake and transport, especially biochemical pathways of assimilation and incorporation into proteins, offers striking mechanisms of toxicity and tolerance. These developments have led to a revival of Se research in higher plants with significant break throughs being made in the previous years. This review explores the new dimensions of Se research with major emphasis on key research events related to Se undertaken in last few years. Further, we also discussed future possibilities in Se research for crop improvement.
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Affiliation(s)
- Meenakshi Raina
- Department of Botany, Central University of Jammu, Rahya-Suchani (Bagla), Jammu and Kashmir, India
| | - Akanksha Sharma
- Department of Botany, Central University of Jammu, Rahya-Suchani (Bagla), Jammu and Kashmir, India
| | - Muslima Nazir
- Center of Research for Development (CORD), University of Kashmir, Srinagar, Jammu & Kashmir, India
| | - Punam Kumari
- Department of Biosciences and Biotechnology, Fakir Mohan University, Balasore, Odisha, India
| | - Anjana Rustagi
- Department of Botany, Gargi College, University of Delhi, New Delhi, India
| | - Ammarah Hami
- Proteomics Laboratory, Division of Plant Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Jammu and Kashmir, India
| | - Brijmohan Singh Bhau
- Department of Botany, Central University of Jammu, Rahya-Suchani (Bagla), Jammu and Kashmir, India
| | - Sajad Majeed Zargar
- Proteomics Laboratory, Division of Plant Biotechnology, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Jammu and Kashmir, India
| | - Deepak Kumar
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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Diversity of Endophytic Bacteria in Cardamine hupingshanensis and Potential of Culturable Selenium-Resistant Endophytes to Enhance Seed Germination Under Selenate Stress. Curr Microbiol 2021; 78:2091-2103. [PMID: 33772619 DOI: 10.1007/s00284-021-02444-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 03/08/2021] [Indexed: 10/21/2022]
Abstract
The endophytic bacterial communities of Se hyperaccumulator Cardamine hupingshanensis collected from greenhouse and selenium mining area in Enshi City were investigated by Illumina sequencing technology. In addition, 14 culturable endophytic selenium-resistant strains were isolated and their selenium tolerance and plant growth promotion abilities were studied. The results showed that phylum Proteobacteria predominated in all the plants (> 70%) regardless of their habitats, with most of the OTUs related to Betaproteobacteria, Alphaproteobacteria, and Gammaproteobacteria. Roots harbored many more OTUs and showed higher alpha diversities than the leaves. Both growing environment and specific microflora selection of plants were found to have noticeable effects on endophytic bacterial community structure. The 14 culturable endophytes belonging to 11 bacterial genera were able to resist different levels of selenite and selenate, with their MIC ranges of 10-120 mM and 100-600 mM. Among them, Oceanobacillus and Terribacillus genera were firstly reported for the selenium-tolerant properties of their members. Inoculation experiment revealed that three endophytic strains (CHP07, CHP08, and CHP14) with excellent plant growth-promoting traits were beneficial for growth of Brassica chinensis seeds at germination stage under 0.19 mM selenate stress.
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Rao S, Yu T, Cong X, Lai X, Xiang J, Cao J, Liao X, Gou Y, Chao W, Xue H, Cheng S, Xu F. Transcriptome, proteome, and metabolome reveal the mechanism of tolerance to selenate toxicity in Cardamine violifolia. JOURNAL OF HAZARDOUS MATERIALS 2021; 406:124283. [PMID: 33187796 DOI: 10.1016/j.jhazmat.2020.124283] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 05/28/2023]
Abstract
Cardamine violifolia was found here to accumulate selenium (Se) to over 9000 mg kg-1 dry weight. To investigate the mechanism of Se accumulation and tolerance in C. violifolia, metabolome, transcriptome, and proteome technologies were applied to C. violifolia seedlings treated with selenate. Several sulfate transporter (Sultr) genes (Sultr1;1, Sultr1;2, and Sultr2;1) and sulfur assimilatory enzyme genes showed high expression levels in response to selenate. Many calcium protein and cysteine-rich kinase genes of C. violifolia were downregulated, whereas selenium-binding protein 1 (SBP1) and protein sulfur deficiency-induced 2 (SDI2) of C. violifolia were upregulated by selenate. The expression of genes involved in the ribosome and posttranslational modifications and chaperones in C. violifolia were also detected in response to selenate. Based on the results of this study and previous findings, we suggest that the downregulated expression of calcium proteins and cysteine-rich kinases, and the upregulated expression of SBP1 and SDI2, were important contributors to the Se tolerance of C. violifolia. The downregulation of cysteine-rich kinases and calcium proteins would enhance Se tolerance of C. violifolia is a novel proposition that has not been reported on other Se hyperaccumulators. This study provides us novel insights to understand Se accumulation and tolerance in plants.
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Affiliation(s)
- Shen Rao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China; Engineering Research Center of Ecology and Agricultural Use of Wetland of Ministry of Education, Yangtze University, Jingzhou 434025, Hubei, China.
| | - Tian Yu
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China; Enshi Se-Run Health Tech Development Co., Ltd., Enshi 445000, China.
| | - Xin Cong
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China; Enshi Se-Run Health Tech Development Co., Ltd., Enshi 445000, China.
| | - Xiaozhuo Lai
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Jiqian Xiang
- Enshi Autonomous Prefecture Academy of Agriculture Sciences, Enshi 445002, China.
| | - Jie Cao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Xiaoli Liao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Yuanyuan Gou
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Wei Chao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Hua Xue
- National Selenium Rich Product Quality Supervision and Inspection Center, Enshi 445000, Hubei, China.
| | - Shuiyuan Cheng
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, China; National Selenium Rich Product Quality Supervision and Inspection Center, Enshi 445000, Hubei, China.
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China; Engineering Research Center of Ecology and Agricultural Use of Wetland of Ministry of Education, Yangtze University, Jingzhou 434025, Hubei, China.
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Trippe RC, Pilon-Smits EAH. Selenium transport and metabolism in plants: Phytoremediation and biofortification implications. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124178. [PMID: 33068997 PMCID: PMC7538129 DOI: 10.1016/j.jhazmat.2020.124178] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/06/2020] [Accepted: 10/02/2020] [Indexed: 05/07/2023]
Abstract
The aim of this review is to synthesize current knowledge of selenium (Se) transport and metabolism in plants, with a focus on implications for biofortification and phytoremediation. Selenium is a necessary human micronutrient, and around a billion people worldwide may be Se deficient. This can be ameliorated by Se biofortification of staple crops. Selenium is also a potential toxin at higher concentrations, and multiple environmental disasters over the past 50 years have been caused by Se pollution from agricultural and industrial sources. Phytoremediation by plants able to take up large amounts of Se is an important tool to combat pollution issues. Both biofortification and phytoremediation applications require a thorough understanding of how Se is taken up and metabolized by plants. Selenium uptake and translocation in plants are largely accomplished via sulfur (S) transport proteins. Current understanding of these transporters is reviewed here, and transporters that may be manipulated to improve Se uptake are discussed. Plant Se metabolism also largely follows the S metabolic pathway. This pathway is reviewed here, with special focus on genes that have been, or may be manipulated to reduce the accumulation of toxic metabolites or enhance the accumulation of nontoxic metabolites. Finally, unique aspects of Se transport and metabolism in Se hyperaccumulators are reviewed. Hyperaccumulators, which can accumulate Se at up to 1000 times higher concentrations than normal plants, present interesting specialized systems of Se transport and metabolism. Selenium hyperaccumulation mechanisms and potential applications of these mechanisms to biofortification and phytoremediation are presented.
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Affiliation(s)
- Richard C Trippe
- Colorado State University, Biology Department, Fort Collins, CO 80523, USA.
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Hasanuzzaman M, Bhuyan MHMB, Raza A, Hawrylak-Nowak B, Matraszek-Gawron R, Nahar K, Fujita M. Selenium Toxicity in Plants and Environment: Biogeochemistry and Remediation Possibilities. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1711. [PMID: 33291816 PMCID: PMC7762096 DOI: 10.3390/plants9121711] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 02/06/2023]
Abstract
Selenium (Se) is a widely distributed trace element with dual (beneficial or toxic) effects for humans, animals, and plants. The availability of Se in the soil is reliant on the structure of the parental material and the procedures succeeding to soil formation. Anthropogenic activities affect the content of Se in the environment. Although plants are the core source of Se in animal and human diet, the role of Se in plants is still debatable. A low concentration of Se can be beneficial for plant growth, development, and ecophysiology both under optimum and unfavorable environmental conditions. However, excess Se results in toxic effects, especially in Se sensitive plants, due to changing structure and function of proteins and induce oxidative/nitrosative stress, which disrupts several metabolic processes. Contrary, Se hyperaccumulators absorb and tolerate exceedingly large amounts of Se, could be potentially used to remediate, i.e., remove, transfer, stabilize, and/or detoxify Se-contaminants in the soil and groundwater. Thereby, Se-hyperaccumulators can play a dynamic role in overcoming global problem Se-inadequacy and toxicity. However, the knowledge of Se uptake and metabolism is essential for the effective phytoremediation to remove this element. Moreover, selecting the most efficient species accumulating Se is crucial for successful phytoremediation of a particular Se-contaminated area. This review emphasizes Se toxicity in plants and the environment with regards to Se biogeochemistry and phytoremediation aspects. This review follows a critical approach and stimulates thought for future research avenues.
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Affiliation(s)
- Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | | | - Ali Raza
- Key Lab of Biology and Genetic Improvement of Oil Crops, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Wuhan 430062, China;
| | - Barbara Hawrylak-Nowak
- Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland; (B.H.-N.); (R.M.-G.)
| | - Renata Matraszek-Gawron
- Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland; (B.H.-N.); (R.M.-G.)
| | - Kamrun Nahar
- Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh;
| | - Masayuki Fujita
- Laboratory of Plant Stress Responses, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki-cho, Kita-gun, Kagawa 761-0795, Japan
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Hasanuzzaman M, Bhuyan MHMB, Raza A, Hawrylak-Nowak B, Matraszek-Gawron R, Nahar K, Fujita M. Selenium Toxicity in Plants and Environment: Biogeochemistry and Remediation Possibilities. PLANTS (BASEL, SWITZERLAND) 2020; 9:plants9121711. [PMID: 33291816 DOI: 10.1016/j.envexpbot.2020.104170] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 05/22/2023]
Abstract
Selenium (Se) is a widely distributed trace element with dual (beneficial or toxic) effects for humans, animals, and plants. The availability of Se in the soil is reliant on the structure of the parental material and the procedures succeeding to soil formation. Anthropogenic activities affect the content of Se in the environment. Although plants are the core source of Se in animal and human diet, the role of Se in plants is still debatable. A low concentration of Se can be beneficial for plant growth, development, and ecophysiology both under optimum and unfavorable environmental conditions. However, excess Se results in toxic effects, especially in Se sensitive plants, due to changing structure and function of proteins and induce oxidative/nitrosative stress, which disrupts several metabolic processes. Contrary, Se hyperaccumulators absorb and tolerate exceedingly large amounts of Se, could be potentially used to remediate, i.e., remove, transfer, stabilize, and/or detoxify Se-contaminants in the soil and groundwater. Thereby, Se-hyperaccumulators can play a dynamic role in overcoming global problem Se-inadequacy and toxicity. However, the knowledge of Se uptake and metabolism is essential for the effective phytoremediation to remove this element. Moreover, selecting the most efficient species accumulating Se is crucial for successful phytoremediation of a particular Se-contaminated area. This review emphasizes Se toxicity in plants and the environment with regards to Se biogeochemistry and phytoremediation aspects. This review follows a critical approach and stimulates thought for future research avenues.
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Affiliation(s)
- Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - M H M Borhannuddin Bhuyan
- Citrus Research Station, Bangladesh Agricultural Research Institute, Jaintapur, Sylhet 3156, Bangladesh
| | - Ali Raza
- Key Lab of Biology and Genetic Improvement of Oil Crops, Oil Crops Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Wuhan 430062, China
| | - Barbara Hawrylak-Nowak
- Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Renata Matraszek-Gawron
- Department of Botany and Plant Physiology, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Kamrun Nahar
- Department of Agricultural Botany, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Masayuki Fujita
- Laboratory of Plant Stress Responses, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki-cho, Kita-gun, Kagawa 761-0795, Japan
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Santiago FEM, Silva MLS, Cardoso AAS, Duan Y, Guilherme LRG, Liu J, Li L. Biochemical basis of differential selenium tolerance in arugula (Eruca sativa Mill.) and lettuce (Lactuca sativa L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 157:328-338. [PMID: 33186850 DOI: 10.1016/j.plaphy.2020.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/02/2020] [Indexed: 06/11/2023]
Abstract
Selenium (Se) biofortification in crops provides a valuable strategy to enhance human Se intake. However, crops vary greatly with their capacity in tolerating and metabolizing/accumulating Se, and the basis underlying such variations remains to be fully understood. Here, we compared the effects of Se and its analog S treatments on plant growth and biochemical responses between a Se accumulator (arugula) and a non-accumulator (lettuce). Arugula exhibited an increased biomass production in comparison with untreated controls at a higher selenate concentration than lettuce (20 μM vs. 10 μM Na2SeO4), showing better tolerance to Se. Arugula accumulated 3-folds more Se and S than lettuce plants under the same treatments. However, the Se/S assimilation as assessed by ATP sulfurylase and O-acetylserine (thiol)lyase activities was comparable between arugula and lettuce plants. Approximately 4-fold higher levels of Se in proteins under the same doses of Se treatments were observed in arugula than in lettuce, indicating that Se accumulators have better tolerance to selenoamino acids in proteins. Noticeably, arugula showed 6-fold higher ascorbate peroxidase activity and produced over 5-fold more glutathione and non-protein thiols than lettuce plants, which suggest critical roles of antioxidants in Se tolerance. Taken together, our results show that the elevated Se tolerance of arugula compared to lettuce is most likely due to an efficient antioxidant defense system. This study provides further insights into our understanding of the difference in tolerating and metabolizing/accumulating Se between Se accumulators and non-accumulators.
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Affiliation(s)
- Franklin E M Santiago
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY, 14853, USA; Department of Soil Science, Federal University of Lavras, PO Box 3037, Lavras, MG, 37200-900, Brazil
| | - Maria L S Silva
- Department of Soil Science, Federal University of Lavras, PO Box 3037, Lavras, MG, 37200-900, Brazil
| | - Arnon A S Cardoso
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY, 14853, USA; Department of Soil Science, Federal University of Lavras, PO Box 3037, Lavras, MG, 37200-900, Brazil
| | - Yongbo Duan
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY, 14853, USA
| | - Luiz R G Guilherme
- Department of Soil Science, Federal University of Lavras, PO Box 3037, Lavras, MG, 37200-900, Brazil
| | - Jiping Liu
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY, 14853, USA
| | - Li Li
- Robert W. Holley Center for Agriculture and Health, USDA-ARS, Cornell University, Ithaca, NY, 14853, USA; Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, 14853, USA.
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Wu M, Cong X, Li M, Rao S, Liu Y, Guo J, Zhu S, Chen S, Xu F, Cheng S, Liu L, Yu T. Effects of different exogenous selenium on Se accumulation, nutrition quality, elements uptake, and antioxidant response in the hyperaccumulation plant Cardamine violifolia. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111045. [PMID: 32745785 DOI: 10.1016/j.ecoenv.2020.111045] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 06/11/2023]
Abstract
Cardamine violifolia (Brassicaceae) is a novel selenium(Se) hyperaccumulation plant with rich nutrients, and serves as a good source of special vegetables in Enshi, China. The present study aimed to investigate the effects of the application of selenate, selenite, and Se yeast (50-800 mg/L) on the growth, Se accumulation, nutrient uptake, and antioxidant response of C. violifolia. The results showed that the Se accumulation efficiency was selenate > selenite > Se yeast, the maximum Se concentration could achieve over 7000 mg/kg, and about 90% was organic Se. The major Se speciation found was mainly SeCys2 and the proportion of various Se species were affected by the Se forms and concentrations. Besides, the plant growth, nutrition quality indexes, element uptakes, and antioxidant responses indicated that 200 mg/L selenate was optimum for C. violifolia to accumulate Se without much impacts, while to obtain more proportion of organic Se, 200 mg/L selenite might be a better choice.
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Affiliation(s)
- Meiru Wu
- Enshi Se-Run Health Tech Development Co., Ltd., Enshi, 445000, China; National R&D Center for Se-rich Agricultural Products Processing, College of Food Science and Engineering, Wuhan Polytechnic University, 7, Wuhan, 430023, China
| | - Xin Cong
- Enshi Se-Run Health Tech Development Co., Ltd., Enshi, 445000, China; National R&D Center for Se-rich Agricultural Products Processing, College of Food Science and Engineering, Wuhan Polytechnic University, 7, Wuhan, 430023, China
| | - Meng Li
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing, 100048, China
| | - Shen Rao
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025, China
| | - Yuan Liu
- Beijing Key Laboratory of Diagnostic and Trace Ability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, 100013, Beijing, China
| | - Jia Guo
- Institute of Biomedical Engineering and Health Sciences, Changzhou University, Changzhou, 213164, China
| | - Song Zhu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Shaozhan Chen
- Beijing Key Laboratory of Diagnostic and Trace Ability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, 100013, Beijing, China
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025, China
| | - Shuiyuan Cheng
- National R&D Center for Se-rich Agricultural Products Processing, College of Food Science and Engineering, Wuhan Polytechnic University, 7, Wuhan, 430023, China
| | - Liping Liu
- Beijing Key Laboratory of Diagnostic and Trace Ability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, 100013, Beijing, China; School of Public Health, Capital Medical University, Beijing, 100069, China.
| | - Tian Yu
- Enshi Se-Run Health Tech Development Co., Ltd., Enshi, 445000, China; National R&D Center for Se-rich Agricultural Products Processing, College of Food Science and Engineering, Wuhan Polytechnic University, 7, Wuhan, 430023, China.
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Rao S, Yu T, Cong X, Xu F, Lai X, Zhang W, Liao Y, Cheng S. Integration analysis of PacBio SMRT- and Illumina RNA-seq reveals candidate genes and pathway involved in selenium metabolism in hyperaccumulator Cardamine violifolia. BMC PLANT BIOLOGY 2020; 20:492. [PMID: 33109081 PMCID: PMC7590678 DOI: 10.1186/s12870-020-02694-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 10/12/2020] [Indexed: 05/06/2023]
Abstract
BACKGROUND Cardamine violifolia, native to China, is one of the selenium (Se) hyperaccumulators. The mechanism of Se metabolism and tolerance remains unclear, and only limited genetic information is currently available. Therefore, we combined a PacBio single-molecule real-time (SMRT) transcriptome library and the Illumina RNA-seq data of sodium selenate (Na2SeO4)-treated C. violifolia to further reveal the molecular mechanism of Se metabolism. RESULTS The concentrations of the total, inorganic, and organic Se in C. violifolia seedlings significantly increased as the Na2SeO4 treatment concentration increased. From SMRT full-length transcriptome of C. violifolia, we obtained 26,745 annotated nonredundant transcripts, 14,269 simple sequence repeats, 283 alternative splices, and 3407 transcription factors. Fifty-one genes from 134 transcripts were identified to be involved in Se metabolism, including transporter, assimilatory enzyme, and several specific genes. Analysis of Illumina RNA-Seq data showed that a total of 948 differentially expressed genes (DEGs) were filtered from the four groups with Na2SeO4 treatment, among which 11 DEGs were related to Se metabolism. The enrichment analysis of KEGG pathways of all the DEGs showed that they were significantly enriched in five pathways, such as hormone signal transduction and plant-pathogen interaction pathways. Four genes related to Se metabolism, adenosine triphosphate sulfurase 1, adenosine 5'-phosphosulfate reductase 3, cysteine (Cys) desulfurase 1, and serine acetyltransferase 2, were regulated by lncRNAs. Twenty potential hub genes (e.g., sulfate transporter 1;1, Cys synthase, methionine gamma-lyase, and Se-binding protein 1) were screened and identified to play important roles in Se accumulation and tolerance in C. violifolia as concluded by weighted gene correlation network analysis. Based on combinative analysis of expression profiling and annotation of genes as well as Se speciation and concentration in C. violifolia under the treatments with different Na2SeO4 concentrations, a putative Se metabolism and assimilation pathway in C. violifolia was proposed. CONCLUSION Our data provide abundant information on putative gene transcriptions and pathway involved in Se metabolism of C. violifolia. The findings present a genetic resource and provide novel insights into the mechanism of Se hyperaccumulation in C. violifolia.
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Affiliation(s)
- Shen Rao
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Tian Yu
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan, 430023 China
- Enshi Se-Run Health Tech Development Co., Ltd, Enshi, 445000 China
| | - Xin Cong
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan, 430023 China
- Enshi Se-Run Health Tech Development Co., Ltd, Enshi, 445000 China
| | - Feng Xu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Xiaozhuo Lai
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Weiwei Zhang
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Yongling Liao
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025 China
| | - Shuiyuan Cheng
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan, 430023 China
- National Selenium Rich Product Quality Supervision and Inspection Center, Enshi, 445000 Hubei China
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Sarwar N, Akhtar M, Kamran MA, Imran M, Riaz MA, Kamran K, Hussain S. Selenium biofortification in food crops: Key mechanisms and future perspectives. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103615] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zhao H, Xie X, Read P, Loseke B, Gamet S, Li W, Xu C. Biofortification with selenium and lithium improves nutraceutical properties of major winery grapes in the Midwestern United States. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14726] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Hefei Zhao
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Xiaoqing Xie
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Paul Read
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Benjamin Loseke
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Stephen Gamet
- Viticulture Program Department of Agronomy and Horticulture University of Nebraska‐Lincoln Lincoln NE 68583 USA
| | - Wenkuan Li
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
| | - Changmou Xu
- Food Processing Center Department of Food Science and Technology University of Nebraska‐Lincoln Lincoln NE 68588 USA
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Selenium Interactions with Algae: Chemical Processes at Biological Uptake Sites, Bioaccumulation, and Intracellular Metabolism. PLANTS 2020; 9:plants9040528. [PMID: 32325841 PMCID: PMC7238072 DOI: 10.3390/plants9040528] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 04/05/2020] [Accepted: 04/12/2020] [Indexed: 01/11/2023]
Abstract
Selenium (Se) uptake by primary producers is the most variable and important step in determining Se concentrations at higher trophic levels in aquatic food webs. We gathered data available about the Se bioaccumulation at the base of aquatic food webs and analyzed its relationship with Se concentrations in water. This important dataset was separated into lotic and lentic systems to provide a reliable model to estimate Se in primary producers from aqueous exposure. We observed that lentic systems had higher organic selenium and selenite concentrations than in lotic systems and selenate concentrations were higher in lotic environments. Selenium uptake by algae is mostly driven by Se concentrations, speciation and competition with other anions, and is as well influenced by pH. Based on Se species uptake by algae in the laboratory, we proposed an accurate mechanistic model of competition between sulfate and inorganic Se species at algal uptake sites. Intracellular Se transformations and incorporation into selenoproteins as well as the mechanisms through which Se can induce toxicity in algae has also been reviewed. We provided a new tool for risk assessment strategies to better predict accumulation in primary consumers and consequently to higher trophic levels, and we identified some research needs that could fill knowledge gaps.
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Jiang L, Yang J, Liu C, Chen Z, Yao Z, Cao S. Overexpression of ethylene response factor ERF96 gene enhances selenium tolerance in Arabidopsis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 149:294-300. [PMID: 32097848 DOI: 10.1016/j.plaphy.2020.02.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/16/2020] [Accepted: 02/18/2020] [Indexed: 05/19/2023]
Abstract
Ethylene response factors (ERFs) are involved in the regulation of plant responses to biotic and abiotic stresses. Here we provide evidence for a role of ERF96, a member of the ERF transcription factor group IX, in selenite tolerance in Arabidopsis. ERF96 gene was rapidly up-regulated in response to selenite stress. Overexpression of ERF96 enhanced Arabidopsis resistance to selenite stress, while ERF96-silenced plants demonstrated wild-type (WT) resistance to selenite. In addition, the overexpression plants had significantly lower selenium (Se) content in shoots when subjected to selenite stress. Further investigation indicated that overexpression of ERF96 reduced transcript levels of selenite/phosphate transporters PHT1;1 and PHT2;1, which influenced Arabidopsis Se uptake and allocation in the presence of selenite. Moreover, our experiments showed that overexpression of ERF96 enhanced Arabidopsis antioxidant activity. Under selenite stress, ERF96-overexpressing lines exhibited the significant increases in catalase (CAT) and glutathione peroxidase (GPX) activities as well as the glutathione (GSH) content, while had a decrease in reactive oxygen species (ROS) accumulation compared to WT. Taken together, our results demonstrate that ERF96 plays a positive role in the regulation of selenite tolerance in Arabidopsis.
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Affiliation(s)
- Li Jiang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China.
| | - Juan Yang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Changxuan Liu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Ziping Chen
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Zhicheng Yao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Shuqing Cao
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
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Harvey MA, Erskine PD, Harris HH, Brown GK, Pilon-Smits EAH, Casey LW, Echevarria G, van der Ent A. Distribution and chemical form of selenium in Neptunia amplexicaulis from Central Queensland, Australia. Metallomics 2020; 12:514-527. [PMID: 32055807 DOI: 10.1039/c9mt00244h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Selenium (Se), a trace element essential for human and animal biological processes, is deficient in many agricultural soils. Some extremely rare plants can naturally accumulate extraordinarily high concentrations of Se. The native legume Neptunia amplexicaulis, endemic to a small area near Richmond and Hughenden in Central Queensland, Australia, is one of the strongest Se hyperaccumulators known on Earth, with foliar concentrations in excess of 4000 μg Se g-1 previously recorded. Here, we report on the Se distribution at a whole plant level using laboratory micro X-ray Fluorescence Microscopy (μXRF) and scanning electron microscopy (SEM-EDS), as well as on chemical forms of Se in various tissues using liquid chromatography-mass spectrometry (LC-MS) and synchrotron X-ray absorption spectroscopy (XAS). The results show that Se occurs in the forms of methyl-selenocysteine and seleno-methionine in the foliar tissues, with up to 13 600 μg Se g-1 total in young leaves. Selenium was found to accumulate primarily in the young leaves, flowers, pods and taproot, with lower concentrations present in the fine-roots and stem and the lowest present in the oldest leaves. Trichomes were not found to accumulate Se. We postulate that Se is (re)distributed in this plant via the phloem from older leaves to newer leaves, using the taproot as the main storage organ. High concentrations of Se in the nodes (pulvini) indicate this structure may play an important a role in Se (re)distribution. The overall pattern of Se distribution was similar in a non-Se tolerant closely related species (Neptunia gracilis), although the prevailing Se concentrations were substantially lower than in N. amplexicaulis.
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Affiliation(s)
- Maggie-Anne Harvey
- Centre for Mined Land Rehabilitation, Sustainable Minerals Institute, The University of Queensland, Queensland, Australia.
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Kök AB, Mungan MD, Doğanlar S, Frary A. Transcriptomic analysis of selenium accumulation in Puccinellia distans (Jacq.) Parl., a boron hyperaccumulator. CHEMOSPHERE 2020; 245:125665. [PMID: 31877459 DOI: 10.1016/j.chemosphere.2019.125665] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 11/13/2019] [Accepted: 12/12/2019] [Indexed: 05/21/2023]
Abstract
Selenium (Se) is present in a wide variety of natural and man-made materials on Earth. Plants are able to tolerate and (hyper)accumulate Se to different extents. In fact, some species can tolerate and accumulate multiple elements. Puccinellia distans (P. distans), weeping alkali grass, is known to hyperaccumulate extreme concentrations of boron and tolerate high levels of salinity, therefore, we investigated the Se accumulation and tolerance capacities of this species. In addition, P. distans' Se tolerance mechanism was studied using a transcriptomic approach. The results of this study indicated that, when grown in a hydroponic system containing 80 or 120 μM Se, P. distans shoots accumulated from 1500 to 2500-fold more Se than plants grown without the element. Thus, P. distans was discovered to be a novel Se accumulator plant. RNA sequencing results and biochemical analyses helped to shed light on the Se tolerance and accumulation mechanism of P. distans. Here, we suggest that upregulation of Se assimilation and stress response genes may be due to induction of jasmonic acid signaling. In addition, we propose that the cell wall may play an important role in restriction of Se movement to the cytoplasm. Also, we hypothesize that Se accumulates in cells by sequestration of selenate in the vacuole.
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Affiliation(s)
- Aysu Başak Kök
- Department of Molecular Biology and Genetics, Science Faculty, Izmir Institute of Technology, Izmir, 35430, Turkey
| | - Mehmet Direnç Mungan
- Department of Molecular Biology and Genetics, Science Faculty, Izmir Institute of Technology, Izmir, 35430, Turkey
| | - Sami Doğanlar
- Department of Molecular Biology and Genetics, Science Faculty, Izmir Institute of Technology, Izmir, 35430, Turkey
| | - Anne Frary
- Department of Molecular Biology and Genetics, Science Faculty, Izmir Institute of Technology, Izmir, 35430, Turkey.
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50
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Reis ARD, Boleta EHM, Alves CZ, Cotrim MF, Barbosa JZ, Silva VM, Porto RL, Lanza MGDB, Lavres J, Gomes MHF, Carvalho HWPD. Selenium toxicity in upland field-grown rice: Seed physiology responses and nutrient distribution using the μ-XRF technique. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 190:110147. [PMID: 31918255 DOI: 10.1016/j.ecoenv.2019.110147] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/26/2019] [Accepted: 12/28/2019] [Indexed: 06/10/2023]
Abstract
Selenium (Se) is an essential element for human and animal, although considered beneficial to higher plants. Selenium application at high concentration to plants can cause toxicity decreasing the physiological quality of seeds. This study aimed to characterize the Se toxicity on upland rice yield, seed physiology and the localization of Se in seeds using X-ray fluorescence microanalysis (μ-XRF). In the flowering stage, foliar application of Se (0, 250, 500, 1000, 1500, 2000 g ha-1) as sodium selenate was performed. A decrease in rice yield and an increase in seed Se concentrations were observed from 250 g Se ha-1. The storage proteins in the seeds showed different responses with Se application (decrease in albumin, increase in prolamin and glutelin). There was a reduction in the concentrations of total sugars and sucrose with the application of 250 and 500 g Se ha-1. The highest intensities Kα counts of Se were detected mainly in the endosperm and aleurone/pericarp. μ-XRF revealed the spatial distribution of sulfur, calcium, and potassium in the seed embryos. The seed germination decreased, and the electrical conductivity increased in response to high Se application rates showing clearly an abrupt decrease of physiological quality of rice seeds. This study provides information for a better understanding of the effects of Se toxicity on rice, revealing that in addition to the negative effects on yield, there are changes in the physiological and biochemical quality of seeds.
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Affiliation(s)
- André Rodrigues Dos Reis
- São Paulo State University (UNESP), Rua Domingos da Costa Lopes 780, Tupã, SP, Postal Code 17602-496, Brazil.
| | | | - Charline Zaratin Alves
- Federal University of Mato Grosso do Sul (UFMS), Rodovia MS-306 - Zona Rural, Chapadão do Sul, MS, Postal Code 79560-000, Brazil
| | - Mayara Fávero Cotrim
- Federal University of Mato Grosso do Sul (UFMS), Rodovia MS-306 - Zona Rural, Chapadão do Sul, MS, Postal Code 79560-000, Brazil
| | - Julierme Zimmer Barbosa
- Federal Institute of Southeast Minas Gerais, Rua Monsenhor José Augusto, n. 204 - Bairro São José, Barbacena, MG, 36205-018, Brazil
| | | | | | | | - José Lavres
- University of São Paulo - USP, Av. Centenário, 303, São Dimas, Piracicaba, SP, Postal Code 13400-970, Brazil
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