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Somagattu P, Chinnannan K, Yammanuru H, Reddy UK, Nimmakayala P. Selenium dynamics in plants: Uptake, transport, toxicity, and sustainable management strategies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 949:175033. [PMID: 39059668 DOI: 10.1016/j.scitotenv.2024.175033] [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: 05/03/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Selenium (Se) plays crucial roles in human, animal, and plant physiology, but its varied plant functions remain complex and not fully understood. While Se deficiency affects over a billion people worldwide, excessive Se levels can be toxic, presenting substantial risks to ecosystem health and public safety. The delicate balance between Se's beneficial and harmful effects necessitates a deeper understanding of its speciation dynamics and how different organisms within ecosystems respond to Se. Since humans primarily consume Se through Se-rich foods, exploring Se's behavior, uptake, and transport within agroecosystems is critical to creating effective management strategies. Traditional physicochemical methods for Se remediation are often expensive and potentially harmful to the environment, pushing the need for more sustainable solutions. In recent years, phytotechnologies have gained traction as a promising approach to Se management by harnessing plants' natural abilities to absorb, accumulate, metabolize, and volatilize Se. These strategies range from boosting Se uptake and tolerance in plants to releasing Se as less toxic volatile compounds or utilizing it as a biofortified supplement, opening up diverse possibilities for managing Se, offering sustainable pathways to improve crop nutritional quality, and protecting human health in different environmental contexts. However, closing the gaps in our understanding of Se dynamics within agricultural systems calls for a united front of interdisciplinary collaboration from biology to environmental science, agriculture, and public health, which has a crucial role to play. Phytotechnologies offer a sustainable bridge between Se deficiency and toxicity, but further research is needed to optimize these methods and explore their potential in various agricultural and environmental settings. By shedding light on Se's multifaceted roles and refining management strategies, this review contributes to developing cost-effective and eco-friendly approaches for Se management in agroecosystems. It aims to lead the way toward a healthier and more sustainable future by balancing the need to address Se deficiency and mitigate the risks of Se toxicity.
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Affiliation(s)
- Prapooja Somagattu
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV 25112, USA
| | - Karthik Chinnannan
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV 25112, USA
| | - Hyndavi Yammanuru
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV 25112, USA
| | - Umesh K Reddy
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV 25112, USA
| | - Padma Nimmakayala
- Department of Biology, Gus R. Douglass Institute, West Virginia State University, Institute, WV 25112, USA.
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Yin X, Zhou Y, Yang H, Liao Y, Ma T, Wang F. Enhanced selenocysteine biosynthesis for seleno-methylselenocysteine production in Bacillus subtilis. Appl Microbiol Biotechnol 2023; 107:2843-2854. [PMID: 36941436 DOI: 10.1007/s00253-023-12482-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/10/2023] [Accepted: 03/12/2023] [Indexed: 03/23/2023]
Abstract
Seleno-methylselenocysteine (SeMCys) is an effective component for selenium supplementation with anti-carcinogenic potential and can ameliorate neuropathology and cognitive deficits. In this study, we aimed to engineer Bacillus subtilis 168 for the microbial production of SeMCys. First, the accumulation of intracellular selenocysteine (SeCys) as the precursor of SeMCys was enhanced through overexpression of serine O-acetyltransferase, which was desensitized against feedback inhibition by cysteine. Next, the S-adenosylmethionine (SAM) synthetic pathway was optimized to improve methyl donor availability through expression of S-adenosylmethionine synthetase. Further, SeMCys was successfully produced through expression of the selenocysteine methyltransferase in SeCys and SAM-producing strain. The increased expression level of selenocysteine methyltransferase benefited the SeMCys production. Finally, all the heterologous genes were integrated into the genome of B. subtilis, and the strain produced SeMCys at a titer of 18.4 μg/L in fed-batch culture. This is the first report on the metabolic engineering of B. subtilis for microbial production of SeMCys and provides a good starting point for future pathway engineering to achieve the industrial-grade production of SeMCys. KEY POINTS: • Expression of the feedback-insensitive serine O-acetyltransferase provided B. subtilis the ability of accumulating SeCys. • SAM production was enhanced through expressing S-adenosylmethionine synthetase in B. subtilis. • Expression of selenocysteine methyltransferase in SeCys and SAM-accumulating strain facilitated SeMCys production.
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Affiliation(s)
- Xian Yin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
- School of Light Industry, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
| | - Yu Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
- School of Light Industry, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
| | - Hulin Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
- School of Light Industry, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
| | - Yonghong Liao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
- School of Light Industry, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China
| | - Tengbo Ma
- Biological Defense Department, Institute of Chemical Defence, Zhongxin RD 1, Beijing, 102205, China
| | - Fenghuan Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China.
- School of Light Industry, Beijing Technology and Business University, Fucheng RD 11, Beijing, 100048, China.
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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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Hu J, Wang Z, Zhang L, Peng J, Huang T, Yang X, Jeong BR, Yang Q. Seleno-Amino Acids in Vegetables: A Review of Their Forms and Metabolism. FRONTIERS IN PLANT SCIENCE 2022; 13:804368. [PMID: 35185982 PMCID: PMC8847180 DOI: 10.3389/fpls.2022.804368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Seleno-amino acids are safe, health-promoting compounds for humans. Numerous studies have focused on the forms and metabolism of seleno-amino acids in vegetables. Based on research progress on seleno-amino acids, we provide insights into the production of selenium-enriched vegetables with high seleno-amino acids contents. To ensure safe and effective intake of selenium, several issues need to be addressed, including (1) how to improve the accumulation of seleno-amino acids and (2) how to control the total selenium and seleno-amino acids contents in vegetables. The combined use of plant factories with artificial lighting and multiple analytical technologies may help to resolve these issues. Moreover, we propose a Precise Control of Selenium Content production system, which has the potential to produce vegetables with specified amounts of selenium and high proportions of seleno-amino acids.
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Affiliation(s)
- Jiangtao Hu
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Zheng Wang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Li Zhang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Jie Peng
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Tao Huang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Xiao Yang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
| | - Byoung Ryong Jeong
- Division of Applied Life Science (BK21 Four), Department of Horticulture, Graduate School of Gyeongsang National University, Jinju, South Korea
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, South Korea
- Research Institute of Life Science, Gyeongsang National University, Jinju, South Korea
| | - Qichang Yang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu National Agricultural Science and Technology Center, Chengdu, China
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Jiang H, Lin W, Jiao H, Liu J, Chan L, Liu X, Wang R, Chen T. Uptake, transport, and metabolism of selenium and its protective effects against toxic metals in plants: a review. Metallomics 2021; 13:6310585. [PMID: 34180517 DOI: 10.1093/mtomcs/mfab040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/21/2021] [Accepted: 06/25/2021] [Indexed: 12/19/2022]
Abstract
Selenium (Se) is an essential trace element of fundamental importance to humans, animals, and plants. However, the uptake, transport, and metabolic processes of Se and its underlying mechanisms in plants have not been well characterized. Here, we review our current understanding of the adsorption and assimilation of Se in plants. First, we discussed the conversion of Se from inorganic Se into organic forms, the mechanisms underlying the formation of seleno-amino acids, and the detoxification of Se. We then discussed the ways in which Se protects plants against toxic metal ions in the environment, such as by alleviating oxidative stress, regulating the activity of antioxidant enzymes, sequestering metal ions, and preventing metal ion uptake and accumulation. Generally, this review will aid future research examining the molecular mechanisms underlying the antagonistic relationships between Se and toxic metals in plants.
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Affiliation(s)
- Haiyan Jiang
- Guangdong Province Research Center for Geoanalysis, Guangzhou 510080, China
| | - Weiqiang Lin
- Department of Chemistry, Jinan University, Guangzhou 510632, China
| | - Hongpeng Jiao
- Guangdong Province Research Center for Geoanalysis, Guangzhou 510080, China
| | - Jinggong Liu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, 111 Dade Rd, Guangzhou 510120, China
| | - Leung Chan
- Department of Chemistry, Jinan University, Guangzhou 510632, China
| | - Xiaoying Liu
- Shenzhen Agricultural Product Quality and Safety Inspection and Testing Center (Guangdong Provincial Key Laboratory of Supervision and Administration of Edible Agricultural Products, Market Supervision Administration), Shenzhen 518000, China
| | - Rui Wang
- Shenzhen Agricultural Product Quality and Safety Inspection and Testing Center (Guangdong Provincial Key Laboratory of Supervision and Administration of Edible Agricultural Products, Market Supervision Administration), Shenzhen 518000, China
| | - Tianfeng Chen
- Department of Chemistry, Jinan University, Guangzhou 510632, China
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Rao S, Gou Y, Yu T, Cong X, Gui J, Zhu Z, Zhang W, Liao Y, Ye J, Cheng S, Xu F. Effects of selenate on Se, flavonoid, and glucosinolate in broccoli florets by combined transcriptome and metabolome analyses. Food Res Int 2021; 146:110463. [PMID: 34119247 DOI: 10.1016/j.foodres.2021.110463] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/13/2021] [Accepted: 05/27/2021] [Indexed: 11/17/2022]
Abstract
Broccoli is a nutritious vegetable popular all over the world. This study investigated the effects of different concentrations of selenate (0, 0.1, 0.2, 0.4, 0.8, and 1.6 mmol/L) on the selenium (Se), glucosinolate, and flavonoid contents of broccoli florets. Results showed that the total Se, selenomethionine, and methyl selenocysteine contents increased following selenate dosage. Interestingly, selenate treatment of 0.4 mmol/L decreased the flavonoid but increased the glucosinolate content. Metabolome analysis revealed changes in the individual contents of glucosinolates and flavonoids. Conjoint analysis of transcriptome and metabolome showed that the glucosinolate and flavonoid compounds were potentially regulated by two sulfate transporter genes (Sultr3;1 and Sultr4;2) and several cytochrome P450 genes (e.g., CYP71B21, CYP72C1, and CYP81F1). These new findings indicated that Se treatment may influence glucosinolate and flavonoid accumulation by regulating the expression of these genes. The results of this study provide some novel insights into the effects of Se on glucosinolates and flavonoids in broccoli florets and deepen our understanding of the regulatory network between some specific genes and these compounds.
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Affiliation(s)
- Shen Rao
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Yuanyuan Gou
- 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.
| | - Jiaying Gui
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China.
| | - Zhenzhou Zhu
- National R&D for Se-rich Agricultural Products Processing Technology, Wuhan Polytechnic University, Wuhan 430023, 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 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.
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Hu W, Zhao C, Hu H, Yin S. Food Sources of Selenium and Its Relationship with Chronic Diseases. Nutrients 2021; 13:nu13051739. [PMID: 34065478 PMCID: PMC8160805 DOI: 10.3390/nu13051739] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/18/2021] [Accepted: 05/18/2021] [Indexed: 12/16/2022] Open
Abstract
Selenium (Se) is an essential micronutrient for mammals, and its deficiency seriously threatens human health. A series of biofortification strategies have been developed to produce Se-enriched foods for combating Se deficiency. Although there have been some inconsistent results, extensive evidence has suggested that Se supplementation is beneficial for preventing and treating several chronic diseases. Understanding the association between Se and chronic diseases is essential for guiding clinical practice, developing effective public health policies, and ultimately counteracting health issues associated with Se deficiency. The current review will discuss the food sources of Se, biofortification strategies, metabolism and biological activities, clinical disorders and dietary reference intakes, as well as the relationship between Se and health outcomes, especially cardiovascular disease, diabetes, chronic inflammation, cancer, and fertility. Additionally, some concepts were proposed, there is a non-linear U-shaped dose-responsive relationship between Se status and health effects: subjects with a low baseline Se status can benefit from Se supplementation, while Se supplementation in populations with an adequate or high status may potentially increase the risk of some diseases. In addition, at supra-nutritional levels, methylated Se compounds exerted more promising cancer chemo-preventive efficacy in preclinical trials.
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Selenium Biofortification: Roles, Mechanisms, Responses and Prospects. Molecules 2021; 26:molecules26040881. [PMID: 33562416 PMCID: PMC7914768 DOI: 10.3390/molecules26040881] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/28/2021] [Accepted: 02/05/2021] [Indexed: 12/16/2022] Open
Abstract
The trace element selenium (Se) is a crucial element for many living organisms, including soil microorganisms, plants and animals, including humans. Generally, in Nature Se is taken up in the living cells of microorganisms, plants, animals and humans in several inorganic forms such as selenate, selenite, elemental Se and selenide. These forms are converted to organic forms by biological process, mostly as the two selenoamino acids selenocysteine (SeCys) and selenomethionine (SeMet). The biological systems of plants, animals and humans can fix these amino acids into Se-containing proteins by a modest replacement of methionine with SeMet. While the form SeCys is usually present in the active site of enzymes, which is essential for catalytic activity. Within human cells, organic forms of Se are significant for the accurate functioning of the immune and reproductive systems, the thyroid and the brain, and to enzyme activity within cells. Humans ingest Se through plant and animal foods rich in the element. The concentration of Se in foodstuffs depends on the presence of available forms of Se in soils and its uptake and accumulation by plants and herbivorous animals. Therefore, improving the availability of Se to plants is, therefore, a potential pathway to overcoming human Se deficiencies. Among these prospective pathways, the Se-biofortification of plants has already been established as a pioneering approach for producing Se-enriched agricultural products. To achieve this desirable aim of Se-biofortification, molecular breeding and genetic engineering in combination with novel agronomic and edaphic management approaches should be combined. This current review summarizes the roles, responses, prospects and mechanisms of Se in human nutrition. It also elaborates how biofortification is a plausible approach to resolving Se-deficiency in humans and other animals.
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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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Costa LC, Luz LM, Nascimento VL, Araujo FF, Santos MNS, França CDFM, Silva TP, Fugate KK, Finger FL. Selenium-Ethylene Interplay in Postharvest Life of Cut Flowers. FRONTIERS IN PLANT SCIENCE 2020; 11:584698. [PMID: 33391299 PMCID: PMC7773724 DOI: 10.3389/fpls.2020.584698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 11/26/2020] [Indexed: 05/18/2023]
Abstract
Selenium (Se) is considered a beneficial element in higher plants when provided at low concentrations. Recently, studies have unveiled the interactions between Se and ethylene metabolism throughout plant growth and development. However, despite the evidence that Se may provide longer shelf life in ethylene-sensitive flowers, its primary action on ethylene biosynthesis and cause-effect responses are still understated. In the present review, we discuss the likely action of Se on ethylene biosynthesis and its consequence on postharvest physiology of cut flowers. By combining Se chemical properties with a dissection of ethylene metabolism, we further highlighted both the potential use of Se solutions and their downstream responses. We believe that this report will provide the foundation for the hypothesis that Se plays a key role in the postharvest longevity of ethylene-sensitive flowers.
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Affiliation(s)
- Lucas C. Costa
- Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, Brazil
- *Correspondence: Lucas C. Costa,
| | - Luana M. Luz
- Laboratório de Genética e Biotecnologia – Campus Capanema, Universidade Federal Rural da Amazônia, Capanema, Brazil
| | - Vitor L. Nascimento
- Setor de Fisiologia Vegetal – Departamento de Biologia, Universidade Federal de Lavras, Lavras, Brazil
| | - Fernanda F. Araujo
- Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, Brazil
| | | | - Christiane de F. M. França
- Departamento de Tecnologia Agroindustrial e Socioeconomia Rural, Universidade Federal de São Carlos, Araras, Brazil
| | - Tania P. Silva
- Instituto de Ciências Agrárias, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Unaí, Brazil
| | - Karen K. Fugate
- USDA-ARS, Edward T. Schafer Agricultural Research Center, Fargo, ND, United States
| | - Fernando L. Finger
- Departamento de Fitotecnia, Universidade Federal de Viçosa, Viçosa, Brazil
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Schiavon M, Nardi S, dalla Vecchia F, Ertani A. Selenium biofortification in the 21 st century: status and challenges for healthy human nutrition. PLANT AND SOIL 2020; 453:245-270. [PMID: 32836404 PMCID: PMC7363690 DOI: 10.1007/s11104-020-04635-9] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/06/2020] [Indexed: 05/04/2023]
Abstract
BACKGROUND Selenium (Se) is an essential element for mammals and its deficiency in the diet is a global problem. Plants accumulate Se and thus represent a major source of Se to consumers. Agronomic biofortification intends to enrich crops with Se in order to secure its adequate supply by people. SCOPE The goal of this review is to report the present knowledge of the distribution and processes of Se in soil and at the plant-soil interface, and of Se behaviour inside the plant in terms of biofortification. It aims to unravel the Se metabolic pathways that affect the nutritional value of edible plant products, various Se biofortification strategies in challenging environments, as well as the impact of Se-enriched food on human health. CONCLUSIONS Agronomic biofortification and breeding are prevalent strategies for battling Se deficiency. Future research addresses nanosized Se biofortification, crop enrichment with multiple micronutrients, microbial-integrated agronomic biofortification, and optimization of Se biofortification in adverse conditions. Biofortified food of superior nutritional quality may be created, enriched with healthy Se-compounds, as well as several other valuable phytochemicals. Whether such a food source might be used as nutritional intervention for recently emerged coronavirus infections is a relevant question that deserves investigation.
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Affiliation(s)
- Michela Schiavon
- Dipartimento di Agronomia, Animali, Alimenti, Risorse naturali e Ambiente (DAFNAE), Università di Padova, Viale dell’Università 16, 35020 Legnaro, PD Italy
| | - Serenella Nardi
- Dipartimento di Agronomia, Animali, Alimenti, Risorse naturali e Ambiente (DAFNAE), Università di Padova, Viale dell’Università 16, 35020 Legnaro, PD Italy
| | | | - Andrea Ertani
- Dipartimento di Scienze Agrarie, Università di Torino, Via Leonardo da Vinci, 44, 10095 Grugliasco, TO Italy
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