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Rodak BW, Freitas DS, Rossi ML, Linhares FS, Moro E, Campos CNS, Reis AR, Guilherme LRG, Lavres J. A study on nickel application methods for optimizing soybean growth. Sci Rep 2024; 14:10556. [PMID: 38719847 PMCID: PMC11078936 DOI: 10.1038/s41598-024-58149-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 03/26/2024] [Indexed: 05/12/2024] Open
Abstract
Fertilization with nickel (Ni) can positively affect plant development due to the role of this micronutrient in nitrogen (N) metabolism, namely, through urease and NiFe-hydrogenase. Although the application of Ni is an emerging practice in modern agriculture, its effectiveness strongly depends on the chosen application method, making further research in this area essential. The individual and combined effects of different Ni application methods-seed treatment, leaf spraying and/or soil fertilization-were investigated in soybean plants under different edaphoclimatic conditions (field and greenhouse). Beneficial effects of the Soil, Soil + Leaf and Seed + Leaf treatments were observed, with gains of 7 to 20% in biological nitrogen fixation, 1.5-fold in ureides, 14% in shoot dry weight and yield increases of up to 1161 kg ha-1. All the Ni application methods resulted in a 1.1-fold increase in the SPAD index, a 1.2-fold increase in photosynthesis, a 1.4-fold increase in nitrogenase, and a 3.9-fold increase in urease activity. Edaphoclimatic conditions exerted a significant influence on the treatments. The integrated approaches, namely, leaf application in conjunction with soil or seed fertilization, were more effective for enhancing yield in soybean cultivation systems. The determination of the ideal method is crucial for ensuring optimal absorption and utilization of this micronutrient and thus a feasible and sustainable management technology. Further research is warranted to establish official guidelines for the application of Ni in agricultural practices.
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Affiliation(s)
- Bruna Wurr Rodak
- Department of Agronomy, São Paulo Western University, Presidente Prudente, São Paulo, 19067-175, Brazil.
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, 13416-000, Brazil.
| | - Douglas Siqueira Freitas
- Department of Agricultural and Natural Sciences, State University of Minas Gerais, Ituiutaba, Minas Gerais, 38302-192, Brazil
| | - Monica Lanzoni Rossi
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, 13416-000, Brazil
| | - Francisco Scaglia Linhares
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, 13416-000, Brazil
| | - Edemar Moro
- Department of Agronomy, São Paulo Western University, Presidente Prudente, São Paulo, 19067-175, Brazil
| | - Cid Naudi Silva Campos
- Chapadão of Sul Campus, Federal University of Mato Grosso of Sul, Chapadão do Sul, Mato Grosso do Sul, 79560-000, Brazil
| | - André Rodrigues Reis
- School of Science and Engineering, São Paulo State University, Tupã, São Paulo, 17602-496, Brazil
| | | | - José Lavres
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, 13416-000, Brazil
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Bellaloui N, Knizia D, Yuan J, Song Q, Betts F, Register T, Williams E, Lakhssassi N, Mazouz H, Nguyen HT, Meksem K, Mengistu A, Kassem MA. Genetic Mapping for QTL Associated with Seed Nickel and Molybdenum Accumulation in the Soybean 'Forrest' by 'Williams 82' RIL Population. PLANTS (BASEL, SWITZERLAND) 2023; 12:3709. [PMID: 37960065 PMCID: PMC10649706 DOI: 10.3390/plants12213709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/01/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023]
Abstract
Understanding the genetic basis of seed Ni and Mo is essential. Since soybean is a major crop in the world and a major source for nutrients, including Ni and Mo, the objective of the current research was to map genetic regions (quantitative trait loci, QTL) linked to Ni and Mo concentrations in soybean seed. A recombinant inbred line (RIL) population was derived from a cross between 'Forrest' and 'Williams 82' (F × W82). A total of 306 lines was used for genotyping using 5405 single nucleotides polymorphism (SNP) markers using Infinium SNP6K BeadChips. A two-year experiment was conducted and included the parents and the RIL population. One experiment was conducted in 2018 in North Carolina (NC), and the second experiment was conducted in Illinois in 2020 (IL). Logarithm of the odds (LOD) of ≥2.5 was set as a threshold to report identified QTL using the composite interval mapping (CIM) method. A wide range of Ni and Mo concentrations among RILs was observed. A total of four QTL (qNi-01, qNi-02, and qNi-03 on Chr 2, 8, and 9, respectively, in 2018, and qNi-01 on Chr 20 in 2020) was identified for seed Ni. All these QTL were significantly (LOD threshold > 2.5) associated with seed Ni, with LOD scores ranging between 2.71-3.44, and with phenotypic variance ranging from 4.48-6.97%. A total of three QTL for Mo (qMo-01, qMo-02, and qMo-03 on Chr 1, 3, 17, respectively) was identified in 2018, and four QTL (qMo-01, qMo-02, qMo-03, and qMo-04, on Chr 5, 11, 14, and 16, respectively) were identified in 2020. Some of the current QTL had high LOD and significantly contributed to the phenotypic variance for the trait. For example, in 2018, Mo QTL qMo-01 on Chr 1 had LOD of 7.8, explaining a phenotypic variance of 41.17%, and qMo-03 on Chr 17 had LOD of 5.33, with phenotypic variance explained of 41.49%. In addition, one Mo QTL (qMo-03 on Chr 14) had LOD of 9.77, explaining 51.57% of phenotypic variance related to the trait, and another Mo QTL (qMo-04 on Chr 16) had LOD of 7.62 and explained 49.95% of phenotypic variance. None of the QTL identified here were identified twice across locations/years. Based on a search of the available literature and of SoyBase, the four QTL for Ni, identified on Chr 2, 8, 9, and 20, and the five QTL associated with Mo, identified on Chr 1, 17, 11, 14, and 16, are novel and not previously reported. This research contributes new insights into the genetic mapping of Ni and Mo, and provides valuable QTL and molecular markers that can potentially assist in selecting Ni and Mo levels in soybean seeds.
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Affiliation(s)
- Nacer Bellaloui
- Crop Genetics Research Unit, USDA, Agriculture Research Service, 141 Experiment Station Road, Stoneville, MS 38776, USA
| | - Dounya Knizia
- Department of Plant, Soil, and Agricultural Systems, Southern Illinois University, Carbondale, IL 62901, USA; (D.K.); (N.L.); (K.M.)
- Laboratoire de Biotechnologies & Valorisation des Bio-Ressources (BioVar), Département de Biologie, Faculté des Sciences, Université Moulay Ismail, Meknès 50000, Morocco;
| | - Jiazheng Yuan
- Plant Genomics and Biotechnology Laboratory, Department of Biological and Forensic Sciences, Fayetteville State University, Fayetteville, NC 28301, USA; (J.Y.); (F.B.); (T.R.); (E.W.); (M.A.K.)
| | - Qijian Song
- Soybean Genomics and Improvement Laboratory, USDA-ARS, Beltsville, MD 20705, USA;
| | - Frances Betts
- Plant Genomics and Biotechnology Laboratory, Department of Biological and Forensic Sciences, Fayetteville State University, Fayetteville, NC 28301, USA; (J.Y.); (F.B.); (T.R.); (E.W.); (M.A.K.)
| | - Teresa Register
- Plant Genomics and Biotechnology Laboratory, Department of Biological and Forensic Sciences, Fayetteville State University, Fayetteville, NC 28301, USA; (J.Y.); (F.B.); (T.R.); (E.W.); (M.A.K.)
| | - Earl Williams
- Plant Genomics and Biotechnology Laboratory, Department of Biological and Forensic Sciences, Fayetteville State University, Fayetteville, NC 28301, USA; (J.Y.); (F.B.); (T.R.); (E.W.); (M.A.K.)
| | - Naoufal Lakhssassi
- Department of Plant, Soil, and Agricultural Systems, Southern Illinois University, Carbondale, IL 62901, USA; (D.K.); (N.L.); (K.M.)
| | - Hamid Mazouz
- Laboratoire de Biotechnologies & Valorisation des Bio-Ressources (BioVar), Département de Biologie, Faculté des Sciences, Université Moulay Ismail, Meknès 50000, Morocco;
| | - Henry T. Nguyen
- Division of Plant Science and Technology, University of Missouri, Columbia, MO 65211, USA;
| | - Khalid Meksem
- Department of Plant, Soil, and Agricultural Systems, Southern Illinois University, Carbondale, IL 62901, USA; (D.K.); (N.L.); (K.M.)
| | - Alemu Mengistu
- Crop Genetics Research Unit, USDA, Agricultural Research Service, Jackson, TN 38301, USA;
| | - My Abdelmajid Kassem
- Plant Genomics and Biotechnology Laboratory, Department of Biological and Forensic Sciences, Fayetteville State University, Fayetteville, NC 28301, USA; (J.Y.); (F.B.); (T.R.); (E.W.); (M.A.K.)
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Santás-Miguel V, Arias-Estévez M, Rodríguez-Seijo A, Arenas-Lago D. Use of metal nanoparticles in agriculture. A review on the effects on plant germination. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122222. [PMID: 37482337 DOI: 10.1016/j.envpol.2023.122222] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/09/2023] [Accepted: 07/17/2023] [Indexed: 07/25/2023]
Abstract
Agricultural nanotechnology has become a powerful tool to help crops and improve agricultural production in the context of a growing world population. However, its application can have some problems with the development of harvests, especially during germination. This review evaluates nanoparticles with essential (Cu, Fe, Ni and Zn) and non-essential (Ag and Ti) elements on plant germination. In general, the effect of nanoparticles depends on several factors (dose, treatment time, application method, type of nanoparticle and plant). In addition, pH and ionic strength are relevant when applying nanoparticles to the soil. In the case of essential element nanoparticles, Fe nanoparticles show better results in improving nutrient uptake, improving germination, and the possibility of magnetic properties could favor their use in the removal of pollutants. In the case of Cu and Zn nanoparticles, they can be beneficial at low concentrations, while their excess presents toxicity and negatively affects germination. About nanoparticles of non-essential elements, both Ti and Ag nanoparticles can be helpful for nutrient uptake. However, their potential effects depend highly on the crop type, particle size and concentration. Overall, nanotechnology in agriculture is still in its early stages of development, and more research is needed to understand potential environmental and public health impacts.
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Affiliation(s)
- Vanesa Santás-Miguel
- Departamento de Bioloxía Vexetal e Ciencias do Solo, Área de Edafoloxía e Química Agrícola. Facultade de Ciencias, Universidade de Vigo, As Lagoas s/n, 32004, Ourense, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain; Department of Biology, Microbial Ecology, Lund University, Ecology Building, Lund, SE-223 62, Sweden.
| | - Manuel Arias-Estévez
- Departamento de Bioloxía Vexetal e Ciencias do Solo, Área de Edafoloxía e Química Agrícola. Facultade de Ciencias, Universidade de Vigo, As Lagoas s/n, 32004, Ourense, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain.
| | - Andrés Rodríguez-Seijo
- Departamento de Bioloxía Vexetal e Ciencias do Solo, Área de Edafoloxía e Química Agrícola. Facultade de Ciencias, Universidade de Vigo, As Lagoas s/n, 32004, Ourense, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain.
| | - Daniel Arenas-Lago
- Departamento de Bioloxía Vexetal e Ciencias do Solo, Área de Edafoloxía e Química Agrícola. Facultade de Ciencias, Universidade de Vigo, As Lagoas s/n, 32004, Ourense, Spain; Instituto de Agroecoloxía e Alimentación (IAA). Universidade de Vigo - Campus Auga, 32004, Ourense, Spain.
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Mendes NAC, Cunha MLO, Bosse MA, Silva VM, Moro AL, Agathokleous E, Vicente EF, Reis ARD. Physiological and biochemical role of nickel in nodulation and biological nitrogen fixation in Vigna unguiculata L. Walp. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107869. [PMID: 37421847 DOI: 10.1016/j.plaphy.2023.107869] [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: 05/17/2023] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 07/10/2023]
Abstract
Studies on the role of nickel (Ni) in photosynthetic and antioxidant metabolism, as well as in flavonoid synthesis and biological fixation nitrogen in cowpea crop are scarce. The aim of this study was to elucidate the role of Ni in metabolism, photosynthesis and nodulation of cowpea plants. A completely randomized experiment was performed in greenhouse, with cowpea plants cultivated under 0, 0.5, 1, 2, or 3 mg kg-1 Ni, as Ni sulfate. In the study the following parameters were evaluated: activity of urease, nitrate reductase, superoxide dismutase, catalase and ascorbate peroxidase; concentration of urea, n-compounds, photosynthetic pigments, flavonoids, H2O2 and MDA; estimative of gas exchange, and biomass as plants, yield and weight of 100 seeds. At whole-plant level, Ni affected root biomass, number of seeds per pot, and yield, increasing it at 0.5 mg kg-1 and leading to inhibition at 2-3 mg kg-1 (e.g. number of seeds per pot and nodulation). The whole-plant level enhancement by 0.5 mg Ni kg-1 occurred along with increased photosynthetic pigments, photosynthesis, ureides, and catalase, and decreased hydrogen peroxide concentration. This study presents fundamental new insights regarding Ni effect on N metabolism, and nodulation that can be helpful to increase cowpea yield. Considering the increasing population and its demand for staple food, these results contribute to the enhancement of agricultural techniques that increase crop productivity and help to maintain human food security.
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Affiliation(s)
| | - Matheus Luís Oliveira Cunha
- São Paulo State University (UNESP), Via de Acesso Prof. Paulo Donato Castellane S/n, Jaboticabal, SP, Postal Code 14884-900, Brazil
| | - Marco Antonio Bosse
- São Paulo State University (UNESP), Via de Acesso Prof. Paulo Donato Castellane S/n, Jaboticabal, SP, Postal Code 14884-900, Brazil
| | - Vinícius Martins Silva
- São Paulo State University (UNESP), Via de Acesso Prof. Paulo Donato Castellane S/n, Jaboticabal, SP, Postal Code 14884-900, Brazil
| | - Adriana Lima Moro
- Department of Crop Production, University of Western São Paulo (UNOESTE), Presidente Prudente, SP, Brazil
| | - Evgenios Agathokleous
- Department of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology (NUIST), Nanjing 210044, Jiangsu, China
| | - Eduardo Festozo Vicente
- São Paulo State University (UNESP), Rua Domingos da Costa Lopes 780, Jd. Itaipu, Postal Code 17602-496, Tupã, SP, Brazil
| | - André Rodrigues Dos Reis
- São Paulo State University (UNESP), Rua Domingos da Costa Lopes 780, Jd. Itaipu, Postal Code 17602-496, Tupã, SP, Brazil.
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Mustafa A, Zulfiqar U, Mumtaz MZ, Radziemska M, Haider FU, Holatko J, Hammershmiedt T, Naveed M, Ali H, Kintl A, Saeed Q, Kucerik J, Brtnicky M. Nickel (Ni) phytotoxicity and detoxification mechanisms: A review. CHEMOSPHERE 2023; 328:138574. [PMID: 37019403 DOI: 10.1016/j.chemosphere.2023.138574] [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: 11/14/2022] [Revised: 03/28/2023] [Accepted: 03/31/2023] [Indexed: 06/19/2023]
Abstract
Scientists studying the environment, physiology, and biology have been particularly interested in nickel (Ni) because of its dual effects (essentiality and toxicity) on terrestrial biota. It has been reported in some studies that without an adequate supply of Ni, plants are unable to finish their life cycle. The safest Ni limit for plants is 1.5 μg g-1, while the limit for soil is between 75 and 150 μg g-1. Ni at lethal levels harms plants by interfering with a variety of physiological functions, including enzyme activity, root development, photosynthesis, and mineral uptake. This review focuses on the occurrence and phytotoxicity of Ni with respect to growth, physiological and biochemical aspects. It also delves into advanced Ni detoxification mechanisms such as cellular modifications, organic acids, and chelation of Ni by plant roots, and emphasizes the role of genes involved in Ni detoxification. The discussion has been carried out on the current state of using soil amendments and plant-microbe interactions to successfully remediate Ni from contaminated sites. This review has identified potential drawbacks and difficulties of various strategies for Ni remediation, discussed the importance of these findings for environmental authorities and decision-makers, and concluded by noting the sustainability concerns and future research needs regarding Ni remediation.
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Affiliation(s)
- Adnan Mustafa
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00, Brno, Czech Republic; Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic; Institute for Environmental Studies, Faculty of Science, Charles University in Prague, Benatska 2, CZ12800, Praha, Czech Republic.
| | - Usman Zulfiqar
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Zahid Mumtaz
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Main Campus, Defense Road, Lahore, 54000, Pakistan
| | - Maja Radziemska
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic; Institute of Environmental Engineering, Warsaw University of Life Sciences, 159 Nowoursynowska,02-776, Warsaw, Poland
| | - Fasih Ullah Haider
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, 510650, Guangzhou, China
| | - Jiri Holatko
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic; Agrovyzkum Rapotin, Ltd., Vyzkumniku 267, 788 13, Rapotin, Czech Republic
| | - Tereza Hammershmiedt
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic
| | - Muhammad Naveed
- Institute of Soil and Environmental Science, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Hassan Ali
- Institute of Soil and Environmental Science, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Antonin Kintl
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic; Agricultural Research, Ltd., 664 4, Troubsko, Czech Republic
| | - Qudsia Saeed
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00, Brno, Czech Republic
| | - Jiri Kucerik
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00, Brno, Czech Republic
| | - Martin Brtnicky
- Institute of Chemistry and Technology of Environmental Protection, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00, Brno, Czech Republic; Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriSciences, Mendel University in Brno, Zemedelska 1, Brno, 61300, Brno, Czech Republic.
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Ahmad MSA, Riffat A, Hussain M, Hameed M, Alvi AK. Toxicity and tolerance of nickel in sunflower (Helianthus annuus L.). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50346-50363. [PMID: 36795210 DOI: 10.1007/s11356-023-25705-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 01/30/2023] [Indexed: 02/17/2023]
Abstract
This study aimed at exploration of nickel (Ni) application (0, 10, 20, 30, and 40 mg L-1) on physiological and biochemical attributes of sunflower cultivars (Hysun-33 and SF-187) grown in sand culture. Results revealed a significant decrease in vegetative parameters in both sunflower cultivars by increasing Ni concentration, although low levels of Ni (10 mg L-1) improved growth attributes to some extent. Among photosynthetic attributes, 30 and 40 mg L-1 Ni application severely reduced the photosynthetic rate (A), stomatal conductance (gs), water use efficiency (WUE), and Ci/Ca ratio but improved the transpiration rate (E) in both sunflower cultivars. The same level of Ni application also reduced leaf water potential, osmotic potentials, and relative water contents but increased leaf turgor potential and membrane permeability. At low level (10 and 20 mg L-1), Ni improved the soluble proteins, while high Ni concentration decreased it. The opposite was true for total free amino acids and soluble sugars. To conclude, the high Ni concentration in various plant organs had a strong impact with the changes in vegetative growth, physiological and biochemical attributes. A positive correlation of growth, physiological, water relations, and gas exchange parameters at low levels of Ni and negative correlation at higher Ni level confirmed that the supplementation of low Ni levels greatly modulated studied attributes. Based on observed attributes, Hysun-33 showed high tolerance to Ni stress as compared to SF-187.
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Affiliation(s)
| | - Alia Riffat
- Department of Botany, University of Agriculture, Faisalabad, Pakistan.
| | - Mumtaz Hussain
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Mansoor Hameed
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
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Ji H, Guo Z, Wang G, Wang X, Liu H. Effect of ZnO and CuO nanoparticles on the growth, nutrient absorption, and potential health risk of the seasonal vegetable Medicago polymorpha L. PeerJ 2022; 10:e14038. [PMID: 36164609 PMCID: PMC9508880 DOI: 10.7717/peerj.14038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 08/18/2022] [Indexed: 01/19/2023] Open
Abstract
Background Medicago polymorpha L., a seasonal vegetable, is commonly grown in China. The increasing use of nanoparticles (NPs) such as ZnO and CuO NPs in agriculture has raised concerns about their potential risks for plant growth and for human consumption. There is a lack of research on the effects of ZnO and CuO NPs on agronomic performance of Medicago polymorpha L. and their potential risks for human health. Methods In this study, different treatment concentrations of ZnO NPs (25, 50, 100, and 200 mg kg-1) and CuO NPs (10, 25, 50, and 100 mg kg-1) were used to determine their effects on the growth and nutrient absorption of Medicago polymorpha L., as well as their potential risk for human health. Results The results showed that ZnO and CuO NPs increased the fresh weight of Medicago polymorpha L. by 5.8-11.8 and 3.7-8.1%, respectively. The best performance for ZnO NPs occurred between 25-50 mg kg-1 and the best performance for CuO NPs occurred between 10-25 mg kg-1. Compared with the control, ZnO and CuO NPs improved the macronutrients phosphorus (P), potassium (K), magnesium (Mg), and calcium (Ca). The following micronutrients were also improved: iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), and manganese (Mn), with the exception of nitrogen (N) accumulation. Low treatment concentrations exhibited more efficient nutrient uptake than high treatment concentrations. A comprehensive analysis showed that the optimum concentrations were 25 mg kg-1 for ZnO NPs and 10 mg kg-1 for CuO NPs. The potential non-carcinogenic health risk of Medicago polymorpha L. treated with ZnO and CuO NPs was analyzed according to the estimated daily intake (EDI), the hazard quotient (HQ), and the cumulative hazard quotient (CHQ). Compared with the oral reference dose, the EDI under different ZnO and CuO NPs treatments was lower. The HQ and CHQ under different ZnO and CuO NPs treatments were far below 1. This indicated that Medicago polymorpha L. treated with ZnO and CuO NPs did not pose any non-carcinogenic health risk to the human body. Therefore, ZnO and CuO NPs were considered as a safe nano fertilizer for Medicago polymorpha L. production according to growth analysis and a human health risk assessment.
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Affiliation(s)
- Hongting Ji
- Jiangsu Academy of Agricultural Sciences, Nanjing Institute of Agricultural Sciences in Jiangsu Hilly Area, Nanjing, Jiangsu, China
| | - Zhi Guo
- Jiangsu Academy of Agricultural Sciences, Institute of Agricultural Resources and Environment, Nanjing, Jiangsu, China
| | - Guodong Wang
- Jiangsu Academy of Agricultural Sciences, Institute of Agricultural Resources and Environment, Nanjing, Jiangsu, China
| | - Xin Wang
- Jiangsu Academy of Agricultural Sciences, Institute of Agricultural Resources and Environment, Nanjing, Jiangsu, China
| | - Hongjiang Liu
- Jiangsu Academy of Agricultural Sciences, Institute of Agricultural Resources and Environment, Nanjing, Jiangsu, China
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Banerjee A, Roychoudhury A. Dissecting the phytohormonal, genomic and proteomic regulation of micronutrient deficiency during abiotic stresses in plants. Biologia (Bratisl) 2022. [DOI: 10.1007/s11756-022-01099-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Haseeb M, Iqbal S, Hafeez MB, Saddiq MS, Zahra N, Raza A, lbrahim MU, Iqbal J, Kamran M, Ali Q, Javed T, Ali HM, Siddiqui MH. Phytoremediation of nickel by quinoa: Morphological and physiological response. PLoS One 2022; 17:e0262309. [PMID: 35025916 PMCID: PMC8757961 DOI: 10.1371/journal.pone.0262309] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/21/2021] [Indexed: 11/18/2022] Open
Abstract
The amount of soil contaminated with heavy metal increases due to urbanization, industrialization, and anthropogenic activities. Quinoa is considered a useful candidate in the remediation of such soil. In this pot experiment, the phytoextraction capacity of quinoa lines (A1, A2, A7, and A9) against different nickel (Ni) concentrations (0, 50, and 100 mg kg-1) were investigated. Required Ni concentrations were developed in polythene bags filled with sandy loam soil using nickel nitrate salt prior to two months of sowing and kept sealed up to sowing. Results showed that translocation of Ni increased from roots to shoots with an increase in soil Ni concentration in all lines. A2 line accumulated high Ni in leaf compared to the root as depicted by translocation factor 3.09 and 3.21 when grown at soil having 50 and 100 Ni mg kg-1, respectively. While, in the case of root, A7 accumulated high Ni followed by A9, A1, and A2, respectively. There was a 5–7% increased seed yield by 50 mg kg-1 Ni in all except A1 compared to control. However, growth and yield declined with a further increase in Ni level. The maximum reduction in yield was noticed in A9, which was strongly linked with poor physiological performance, e.g., chlorophyll a, b, and phenolic contents. Ni concentrations in the seed of all lines were within the permissible value set (67 ppm) by FAO/WHO. The result of the present study suggests that quinoa is a better accumulator of Ni. This species can provide the scope of decontamination of heavy metal polluted soil. The screened line can be used for future quinoa breeding programs for bioremediation and phytoextraction purpose.
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Affiliation(s)
- Muhammad Haseeb
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
| | - Shahid Iqbal
- Department of Agronomy, Muhammad Nawaz Shareef, University of Agriculture, Multan, Pakistan
| | | | - Muhammad Sohail Saddiq
- Department of Agronomy, Ghazi University, Dera Ghazi Khan, Pakistan
- * E-mail: (MSS); (AR)
| | - Noreen Zahra
- Department of Botany, University of Agriculture, Faisalabad, Pakistan
| | - Ali Raza
- Fujian Provincial Key Laboratory of Crop Molecular and Cell Biology, Oil Crops Research Institute, Centre of Legume Crop Genetics and Systems Biology/College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
- * E-mail: (MSS); (AR)
| | | | - Javaid Iqbal
- Department of Agronomy, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Muhammad Kamran
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
| | - Qasim Ali
- Institute of Food and Agriculture Sciences, University of Florida, Gainesville, FL, United States of America
| | - Talha Javed
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hayssam M. Ali
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Manzer H. Siddiqui
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
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10
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Sharma A, Bhagat M, Urfan M, Ahmed B, Langer A, Ali V, Vyas D, Yadav NS, Hakla HR, Sharma S, Pal S. Nickel excess affects phenology and reproductive attributes of Asterella wallichiana and Plagiochasma appendiculatum growing in natural habitats. Sci Rep 2021; 11:3369. [PMID: 33564007 PMCID: PMC7873240 DOI: 10.1038/s41598-020-73441-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 08/26/2020] [Indexed: 11/09/2022] Open
Abstract
Bryophytes are potent metal absorbers, thriving well on heavy metal (HM)-polluted soils. Mechanisms controlling uptake, compartmentalization and impacts of HMs on bryophytes life cycle are largely unknown. The current study is an effort to decipher mechanisms of nickel (Ni) excess-induced effects on the phenological events of two bryophytes, Asterella wallichiana and Plagiochasma apendiculatum growing in natural habitats. Observations revealed Ni-excess induced negative impacts on abundance, frequency of occurrence of reproductive organs, population viability and morphological traits, spore viability and physiological attributes of both the liverworts. Results led us conclude that P. appendiculatum survived better with the lowest impact on its life cycle events than A. wallichiana under Ni excess in natural habitats. Our findings collectively provide insights into the previously unknown mechanisms of Ni-induced responses in liverworts with respect to phenological attributes, as well as demonstrate the potential of P. appendiculatum to survive better in Ni excess habitats.
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Affiliation(s)
- Anil Sharma
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Madhu Bhagat
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Mohammad Urfan
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Bilal Ahmed
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Anima Langer
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Villayat Ali
- Biodiversity and Applied Botany Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Dhiraj Vyas
- Biodiversity and Applied Botany Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India
| | - Narendra Singh Yadav
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, T1K 3M4, Canada
| | | | - Shubham Sharma
- Department of Botany, University of Jammu, Jammu, 180-006, India
| | - Sikander Pal
- Department of Botany, University of Jammu, Jammu, 180-006, India.
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11
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Effect of Organic and Conventional Systems Used to Grow Pecan Trees on Diversity of Soil Microbiota. DIVERSITY 2020. [DOI: 10.3390/d12110436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Agronomic management modifies the soil bacterial communities and may alter the carbon fractions. Here, we identify differences in several chemical and biological soil variables, as well as bacterial composition between organic (Org) and conventional (Conv) agronomic management in pecan (Carya illinoinensis) orchards located in Coahuila, Mexico. The analyzed variables were pH, N, P, K, soil organic matter, organic matter quality, soil organic carbon, C/N ratio, carbon fractions, microbial biomass carbon, easily extractable Glomalin, colony-forming units, CO2 emissions, and the enzyme activity. The DNA of soil bacteria was extracted, amplified (V3-V4 16S rRNA), and sequenced using Illumina. To compare variables between agronomic managements, t tests were used. Sequences were analyzed in QIIME (Quantitative Insights Into Microbial Ecology). A canonical correspondence analysis (CCA) was used to observe associations between the ten most abundant phyla and soil variables in both types of agronomic managements. In Org management, variables related to the capture of recalcitrant carbon compounds were significant, and there was a greater diversity of bacterial communities capable of promoting organic carbon sequestration. In Conv management, variables related to the increase in carbon mineralization, as well as the enzymatic activity related to the metabolism of labile compounds, were significant. The CCA suggested a separation between phyla associated with some variables. Agronomic management impacted soil chemical and biological parameters related to carbon dynamics, including bacterial communities associated with carbon sequestration. Further research is still necessary to understand the plasticity of some bacterial communities, as well as the soil–plant dynamics.
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12
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Amari T, Souid A, Ghabriche R, Porrini M, Lutts S, Sacchi GA, Abdelly C, Ghnaya T. Why Does the Halophyte Mesembryanthemum crystallinum Better Tolerate Ni Toxicity than Brassica juncea: Implication of Antioxidant Defense Systems. PLANTS (BASEL, SWITZERLAND) 2020; 9:E312. [PMID: 32131526 PMCID: PMC7154810 DOI: 10.3390/plants9030312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/11/2020] [Accepted: 02/19/2020] [Indexed: 05/06/2023]
Abstract
The implication of enzymatic and non-enzymatic antioxidative systems in response to Ni was evaluated in the halophyte Mesembryanthemum crystallinum in comparison with the metal tolerant glycophyte species Brassica juncea. Seedlings of both species were hydroponically subjected during 21 days to 0, 25, 50, and 100 µM NiCl2. Growth parameters showed that the halophyte M. crystallinum was more tolerant to Ni than B. juncea. Malondialdehyde (MDA) content increased to a higher extent in B. juncea than in M. crystallinum. Antioxidant enzymesactivities were differently affected by Ni in both species. Nickel increased shoot superoxide dismutase (SOD) and ascorbate peroxidase (APX) activities in B. juncea, whereas these activities were reduced in M. crystallinum when exposed to metal stress. The root SOD, APX and guaiacol peroxidase (GPX) activities increased upon Ni treatments for both species. The content of non-enzymatic antioxidative molecules such as glutathione, non-protein thiols and proline increased in Ni-treated plants, except for GSH content in the shoot of B. juncea. Based on the oxidative balance, our findings confirm the higher tolerance of the halophyte M. crystallinum to Ni-induced oxidative stress comparatively to B. juncea. We suggest that M. crystallinum is able to overcome the produced ROS using the non-enzymatic system, while Ni-induced oxidative stress was more acute in B. juncea, leading this species to mainly use the enzymatic system to protect against reactive oxygen species.
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Affiliation(s)
- Taoufik Amari
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Aymen Souid
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Rim Ghabriche
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Mauro Porrini
- Department of Agricultural and Environmental Sciences, UniversitàdegliStudi di Milano, 20133 Milan, Italy; (M.P.); (G.A.S.)
| | - Stanley Lutts
- Groupe de Recherche enPhysiologieVégétale (GRPV), Earth and Life Institute, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium;
| | - Gian Attilio Sacchi
- Department of Agricultural and Environmental Sciences, UniversitàdegliStudi di Milano, 20133 Milan, Italy; (M.P.); (G.A.S.)
| | - Chedly Abdelly
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
| | - Tahar Ghnaya
- Laboratoire des PlantesExtrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, Hammam-lif 2050, Tunisia; (T.A.); (A.S.); (R.G.); (C.A.)
- Higher Institute of Arts and Crafts of Tataouine, University of Gabes Erriadh City, Zrig-Gabes 6072, Tunisia
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13
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Hassan MU, Chattha MU, Khan I, Chattha MB, Aamer M, Nawaz M, Ali A, Khan MAU, Khan TA. Nickel toxicity in plants: reasons, toxic effects, tolerance mechanisms, and remediation possibilities-a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:12673-12688. [PMID: 30924044 DOI: 10.1007/s11356-019-04892-x] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 03/15/2019] [Indexed: 05/26/2023]
Abstract
Nickel (Ni) is a naturally occurring metal, but anthropogenic activities such as industrialization, use of fertilizers, chemicals, and sewage sludge have increased its concentration in the environment up to undesirable levels. Ni is considered to be essential for plant growth at low concentration; however, Ni pollution is increasing in the environment, and therefore, it is important to understand its functional roles and toxic effects on plants. This review emphasizes the environmental sources of Ni, its essentiality, effects, tolerance mechanisms, possible remediation approaches, and research direction that may help in interdisciplinary studies to assess the significance of Ni toxicity. Briefly, Ni affects plant growth both positively and negatively, depending on the concentration present in the growth medium. On the positive side, Ni is essential for normal growth, enzymatic activities (e.g., urease), nitrogen metabolism, iron uptake, and specific metabolic reactions. On the negative side, Ni reduces seed germination, root and shoot growth, biomass accumulation, and final production. Moreover, Ni toxicity also causes chlorosis and necrosis and inhibits various physiological processes (photosynthesis, transpiration) and cause oxidative damage in plants. The threat associated with Ni is increased as Ni concentration increases day by day in the environment, particularly in soils; therefore, it would be hazardous for crop production in the near future. Additionally, the lack of information regarding the mechanisms of Ni tolerance in plants further intensifies this situation. Therefore, future research should be focused on approachable and prominent solutions in order to minimize the entry of Ni into our ecosystems.
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Affiliation(s)
- Muhammad Umair Hassan
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan.
- Department of Agricultural and Food Sceinces, University of Bologna, Bologna, Italy.
| | | | - Imran Khan
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
| | | | - Muhammad Aamer
- Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang, China
| | - Muhammad Nawaz
- College of Agriculture, Bahadur Campus Layyah, Bahauddin Zakariya University, Multan, Pakistan
| | - Abid Ali
- Department of Agricultural and Food Sceinces, University of Bologna, Bologna, Italy
| | | | - Tahir Abbas Khan
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
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Siqueira Freitas D, Wurr Rodak B, Rodrigues dos Reis A, de Barros Reis F, Soares de Carvalho T, Schulze J, Carbone Carneiro MA, Guimarães Guilherme LR. Hidden Nickel Deficiency? Nickel Fertilization via Soil Improves Nitrogen Metabolism and Grain Yield in Soybean Genotypes. FRONTIERS IN PLANT SCIENCE 2018; 9:614. [PMID: 29868070 PMCID: PMC5952315 DOI: 10.3389/fpls.2018.00614] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 04/18/2018] [Indexed: 05/06/2023]
Abstract
Nickel (Ni)-a component of urease and hydrogenase-was the latest nutrient to be recognized as an essential element for plants. However, to date there are no records of Ni deficiency for annual species cultivated under field conditions, possibly because of the non-appearance of obvious and distinctive symptoms, i.e., a hidden (or latent) deficiency. Soybean, a crop cultivated on soils poor in extractable Ni, has a high dependence on biological nitrogen fixation (BNF), in which Ni plays a key role. Thus, we hypothesized that Ni fertilization in soybean genotypes results in a better nitrogen physiological function and in higher grain production due to the hidden deficiency of this micronutrient. To verify this hypothesis, two simultaneous experiments were carried out, under greenhouse and field conditions, with Ni supply of 0.0 or 0.5 mg of Ni kg-1 of soil. For this, we used 15 soybean genotypes and two soybean isogenic lines (urease positive, Eu3; urease activity-null, eu3-a, formerly eu3-e1). Plants were evaluated for yield, Ni and N concentration, photosynthesis, and N metabolism. Nickel fertilization resulted in greater grain yield in some genotypes, indicating the hidden deficiency of Ni in both conditions. Yield gains of up to 2.9 g per plant in greenhouse and up to 1,502 kg ha-1 in field conditions were associated with a promoted N metabolism, namely, leaf N concentration, ammonia, ureides, urea, and urease activity, which separated the genotypes into groups of Ni responsiveness. Nickel supply also positively affected photosynthesis in the genotypes, never causing detrimental effects, except for the eu3-a mutant, which due to the absence of ureolytic activity accumulated excess urea in leaves and had reduced yield. In summary, the effect of Ni on the plants was positive and the extent of this effect was controlled by genotype-environment interaction. The application of 0.5 mg kg-1 of Ni resulted in safe levels of this element in grains for human health consumption. Including Ni applications in fertilization programs may provide significant yield benefits in soybean production on low Ni soil. This might also be the case for other annual crops, especially legumes.
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Affiliation(s)
- Douglas Siqueira Freitas
- Laboratory of Soil Microbiology and Environmental Geochemistry, Department of Soil Science, Federal University of Lavras, Lavras, Brazil
| | - Bruna Wurr Rodak
- Laboratory of Soil Microbiology and Environmental Geochemistry, Department of Soil Science, Federal University of Lavras, Lavras, Brazil
| | - André Rodrigues dos Reis
- Laboratory of Biology, School of Science and Engineering, São Paulo State University, Tupã, Brazil
| | | | - Teotonio Soares de Carvalho
- Laboratory of Soil Microbiology and Environmental Geochemistry, Department of Soil Science, Federal University of Lavras, Lavras, Brazil
| | - Joachim Schulze
- Laboratory of Plant Nutrition and Crop Physiology, Department of Crop Science, Faculty of Agriculture, University of Göttingen, Göttingen, Germany
| | - Marco A. Carbone Carneiro
- Laboratory of Soil Microbiology and Environmental Geochemistry, Department of Soil Science, Federal University of Lavras, Lavras, Brazil
| | - Luiz R. Guimarães Guilherme
- Laboratory of Soil Microbiology and Environmental Geochemistry, Department of Soil Science, Federal University of Lavras, Lavras, Brazil
- *Correspondence: Luiz R. Guimarães Guilherme
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15
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Joshi V, Fernie AR. Citrulline metabolism in plants. Amino Acids 2017; 49:1543-1559. [PMID: 28741223 DOI: 10.1007/s00726-017-2468-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 07/17/2017] [Indexed: 11/28/2022]
Abstract
Citrulline was chemically isolated more than 100 years ago and is ubiquitous in animals, plants, bacteria, and fungi. Most of the research on plant citrulline metabolism and transport has been carried out in Arabidopsis thaliana and the Cucurbitaceae family, particularly in watermelon which accumulates this non-proteinogenic amino acid to very high levels. Industrially, citrulline is produced via specially optimized microbial strains; however, the amounts present in watermelon render it an economically viable source providing that other high-value compounds can be co-extracted. In this review, we provide an overview of our current understanding of citrulline biosynthesis, transport, and catabolism in plants additionally pointing out significant gaps in our knowledge which need to be closed by future experimentation. This includes the identification of further potential enzymes of citrulline metabolism as well as obtaining a far better spatial resolution of both sub-cellular and long-distance partitioning of citrulline. We further discuss what is known concerning the biological function of citrulline in plants paying particular attention to the proposed roles in scavenging of excess NH4+ and as a compatible solute.
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Affiliation(s)
- Vijay Joshi
- Texas A&M AgriLife Research and Extension Center, Texas A&M University, Uvalde, TX, 78801, USA.
| | - Alisdair R Fernie
- Max-Planck-Institute for Molecular Plant Physiology, Wissenschaftspark Golm, 14476, Potsdam-Golm, Germany
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16
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Takahashi M, Mikami K. Oxidative Stress Promotes Asexual Reproduction and Apogamy in the Red Seaweed Pyropia yezoensis. FRONTIERS IN PLANT SCIENCE 2017; 8:62. [PMID: 28191011 PMCID: PMC5270553 DOI: 10.3389/fpls.2017.00062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 01/11/2017] [Indexed: 05/29/2023]
Abstract
The marine red seaweed Pyropia yezoensis has a haploid-diploid life cycle wherein two heteromorphic generations, a haploid gametophyte and a diploid sporophyte, are reciprocally generated from conchospores and carpospores, respectively. When we treated gametophytic blades of P. yezoensis with H2O2, discharge of asexual monospores was accelerated, resulting in increased numbers of gametophytic clones. Production of sporophytes without fertilization of male and female gametes was also observed. These findings indicate that oxidative stress can induce vegetative cells to develop into monospores that produce gametophytes asexually and can sometimes prompt carpospores to develop into sporophytes. The discovery of oxidative stress-triggered asexual reproduction and -apogamy will stimulate progress in studies of life-cycle regulation in P. yezoensis.
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Affiliation(s)
- Megumu Takahashi
- Department of Aquatic Bioscience, Faculty of Bio-Industry, Tokyo University of AgricultureAbashiri, Japan
| | - Koji Mikami
- Laboratory of Aquaculture, Genetics and Genomics, Division of Marine Life Science, Faculty of Fisheries Sciences, Hokkaido UniversityHakodate, Japan
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17
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Yang Y, Yuan Z, Liu XP, Liu Q, Mao CJ, Niu HL, Jin BK, Zhang SY. Electrochemical biosensor for Ni 2+ detection based on a DNAzyme-CdSe nanocomposite. Biosens Bioelectron 2016; 77:13-8. [DOI: 10.1016/j.bios.2015.09.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 09/05/2015] [Accepted: 09/07/2015] [Indexed: 10/23/2022]
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18
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de Macedo FG, Bresolin JD, Santos EF, Furlan F, Lopes da Silva WT, Polacco JC, Lavres J. Nickel Availability in Soil as Influenced by Liming and Its Role in Soybean Nitrogen Metabolism. FRONTIERS IN PLANT SCIENCE 2016; 7:1358. [PMID: 27660633 PMCID: PMC5014873 DOI: 10.3389/fpls.2016.01358] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 08/26/2016] [Indexed: 05/05/2023]
Abstract
Nickel (Ni) availability in soil varies as a function of pH. Plants require Ni in small quantities for normal development, especially in legumes due its role in nitrogen (N) metabolism. This study investigated the effect of soil base saturation, and Ni amendments on Ni uptake, N accumulation in the leaves and grains, as well as to evaluate organic acids changes in soybean. In addition, two N assimilation enzymes were assayed: nitrate reductase (NR) and Ni-dependent urease. Soybean plants inoculated with Bradyrhizobium japonicum were cultivated in soil-filled pots under two base-cation saturation (BCS) ratios (50 and 70%) and five Ni rates - 0.0; 0.1; 0.5; 1.0; and 10.0 mg dm(-3) Ni. At flowering (R1 developmental stage), plants for each condition were evaluated for organic acids (oxalic, malonic, succinic, malic, tartaric, fumaric, oxaloacetic, citric and lactic) levels as well as the activities of urease and NR. At the end of the growth period (R7 developmental stage - grain maturity), grain N and Ni accumulations were determined. The available soil-Ni in rhizosphere extracted by DTPA increased with Ni rates, notably in BCS50. The highest concentrations of organic acid and N occurred in BCS70 and 0.5 mg dm(-3) of Ni. There were no significant differences for urease activity taken on plants grown at BSC50 for Ni rates, except for the control treatment, while plants cultivated at soil BCS70 increased the urease activity up to 0.5 mg dm(-3) of Ni. In addition, the highest values for urease activities were reached from the 0.5 mg dm(-3) of Ni rate for both BCS treatments. The NR activity was not affected by any treatment indicating good biological nitrogen fixation (BNF) for all plants. The reddish color of the nodules increased with Ni rates in both BCS50 and 70, also confirms the good BNF due to Ni availability. The optimal development of soybean occurs in BCS70, but requires an extra Ni supply for the production of organic acids and for increased N-shoot and grain accumulation.
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Affiliation(s)
- Fernando G. de Macedo
- Center for Nuclear Energy in Agriculture, University of Sao PauloPiracicaba, Brazil
- *Correspondence: Fernando G. de Macedo, José Lavres,
| | | | - Elcio F. Santos
- Center for Nuclear Energy in Agriculture, University of Sao PauloPiracicaba, Brazil
| | - Felipe Furlan
- Center for Nuclear Energy in Agriculture, University of Sao PauloPiracicaba, Brazil
| | | | | | - José Lavres
- Center for Nuclear Energy in Agriculture, University of Sao PauloPiracicaba, Brazil
- *Correspondence: Fernando G. de Macedo, José Lavres,
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19
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Minocha R, Chamberlain B, Long S, Turlapati SA, Quigley G. Extraction and estimation of the quantity of calcium oxalate crystals in the foliage of conifer and hardwood trees. TREE PHYSIOLOGY 2015; 35:574-580. [PMID: 25934989 DOI: 10.1093/treephys/tpv031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 03/11/2015] [Indexed: 06/04/2023]
Abstract
The main goal of this study was to develop a method for the extraction and indirect estimation of the quantity of calcium oxalate (CaOx) in the foliage of trees. Foliar tissue was collected from a single tree of each species (five conifers and five hardwoods) for comparison of extractions in different solvents using 10 replicates per species from the same pool of tissue. For each species, calcium (Ca) and oxalate were extracted sequentially in double deionized water and 2N acetic acid, and finally, five replicate samples were extracted in 5% (0.83N) perchloric acid (PCA) and the other five in 2N hydrochloric acid (HCl); three cycles of freezing and thawing were used for each solvent. Total ions were extracted by microwave digestion. Calcium was quantified with an inductively coupled plasma emission spectrophotometer method and oxalate was eluted and quantified using a high performance liquid chromatography method. This experiment was repeated again with two conifer and two hardwood species using four trees per species, and two analytical replicates for each tree. We report here that, regardless of age of individual trees within a species, time of collection or species type, the third extraction in PCA or HCl resulted in near equimolar quantities of Ca and oxalate (r(2) ≥ 0.99). This method provides an easy estimate of the quantity of CaOx crystals using a small sample of foliar tissue. An additional benefit of PCA is that it precipitates the nucleic acids and proteins, allowing the quantification of several free/soluble metabolites such as amino acids, polyamines, organic acids and inorganic elements all from a single sample extract.
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Affiliation(s)
- Rakesh Minocha
- USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, USA
| | - Bradley Chamberlain
- USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, USA
| | - Stephanie Long
- USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, USA
| | - Swathi A Turlapati
- USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, USA Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Gloria Quigley
- USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, USA Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
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20
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Amari T, Ghnaya T, Debez A, Taamali M, Ben Youssef N, Lucchini G, Sacchi GA, Abdelly C. Comparative Ni tolerance and accumulation potentials between Mesembryanthemum crystallinum (halophyte) and Brassica juncea: Metal accumulation, nutrient status and photosynthetic activity. JOURNAL OF PLANT PHYSIOLOGY 2014; 171:1634-44. [PMID: 25171515 DOI: 10.1016/j.jplph.2014.06.020] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Revised: 06/16/2014] [Accepted: 06/19/2014] [Indexed: 05/23/2023]
Abstract
Saline soils often constitute sites of accumulation of industrial and urban wastes contaminated by heavy metals. Halophytes, i.e. native salt-tolerant species, could be more suitable for heavy metal phytoextraction from saline areas than glycophytes, most frequently used so far. In the framework of this approach, we assess here the Ni phytoextraction potential in the halophyte Mesembryanthemum crystallinum compared with the model species Brassica juncea. Plants were hydroponically maintained for 21 days at 0, 25, 50, and 100μM NiCl2. Nickel addition significantly restricted the growth activity of both species, and to a higher extent in M. crystallinum, which did not, however, show Ni-related toxicity symptoms on leaves. Interestingly, photosynthesis activity, chlorophyll content and photosystem II integrity assessed by chlorophyll fluorescence were less impacted in Ni-treated M. crystallinum as compared to B. juncea. The plant mineral nutrition was differently affected by NiCl2 exposure depending on the element, the species investigated and even the organ. In both species, roots were the preferential sites of Ni(2+) accumulation, but the fraction translocated to shoots was higher in B. juncea than in M. crystallinum. The relatively good tolerance of M. crystallinum to Ni suggests that this halophyte species could be used in the phytoextraction of moderately polluted saline soils.
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Affiliation(s)
- Taoufik Amari
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia
| | - Tahar Ghnaya
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia.
| | - Ahmed Debez
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia
| | - Manel Taamali
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia
| | - Nabil Ben Youssef
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia
| | - Giorgio Lucchini
- Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Gian Attilio Sacchi
- Department of Agricultural and Environmental Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Chedly Abdelly
- Laboratoire des Plantes Extrêmophiles, Centre de Biotechnologie de Borj-Cédria, BP 901, 2050 Hammam-lif, Tunisia
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Metal uptake, antioxidant status and membrane potential in maize roots exposed to cadmium and nickel. Biologia (Bratisl) 2014. [DOI: 10.2478/s11756-014-0414-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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22
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Ghosh K, Mohan V, Kumar P, Ng S, Tiekink E. Selective fluorescence sensing of Ni2+ by tetradentate ligands: Synthesis of nickel complexes and crystal structures. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.02.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Dalir N, Khoshgoftarmanesh AH. Symplastic and apoplastic uptake and root to shoot translocation of nickel in wheat as affected by exogenous amino acids. JOURNAL OF PLANT PHYSIOLOGY 2014; 171:531-536. [PMID: 24655389 DOI: 10.1016/j.jplph.2013.12.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2013] [Revised: 11/29/2013] [Accepted: 12/02/2013] [Indexed: 06/03/2023]
Abstract
This study investigated the effect of exogenous amino acids on apoplastic and symplastic uptake and root to shoot translocation of nickel (Ni) in two wheat cultivars. Seedlings of a bread (Triticum aestivum cv. Back Cross) and a durum wheat cultivar (T. durum cv. Durum) were grown in a modified Johnson nutrient solution and exposed to two levels (50 and 100 μM) of histidine, glycine, and glutamine. Application of amino acids resulted in increasing symplastic to apoplastic Ni ratio in roots of both wheat cultivars, although glutamine and glycine were more effective than histidine under our experimental conditions. The amino acid used in the present study generally increased the relative transport of Ni from the roots to shoots in both wheat cultivars. Higher amounts of Ni were translocated to wheat shoots in the presence of histidine than the other amino acids studied, which indicated that histidine was more effective in translocation of Ni from roots to shoots. Amino acids used in the present study largely increased root symplastic Ni, but shoot Ni accumulation was much lower than the total Ni accumulation in roots, indicating a large proportion of Ni was retained or immobilized in wheat roots (either in the apoplastic or symplastic space), with only a very small fraction of Ni being translocated from the root to the shoot. According to the results, glutamine and glycine were more effective than histidine in enhancing the symplastic to apoplastic Ni ratio in the roots, while more Ni was translocated from the roots to the shoots in the presence of histidine.
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Affiliation(s)
- Neda Dalir
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, 84154 Isfahan, Iran
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Kutman BY, Kutman UB, Cakmak I. Effects of seed nickel reserves or externally supplied nickel on the growth, nitrogen metabolites and nitrogen use efficiency of urea- or nitrate-fed soybean. PLANT AND SOIL 2014; 376:261-276. [PMID: 0 DOI: 10.1007/s11104-013-1983-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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25
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Shahid M, Pourrut B, Dumat C, Nadeem M, Aslam M, Pinelli E. Heavy-metal-induced reactive oxygen species: phytotoxicity and physicochemical changes in plants. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2014; 232:1-44. [PMID: 24984833 DOI: 10.1007/978-3-319-06746-9_1] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
As a result of the industrial revolution, anthropogenic activities have enhanced there distribution of many toxic heavy metals from the earth's crust to different environmental compartments. Environmental pollution by toxic heavy metals is increasing worldwide, and poses a rising threat to both the environment and to human health.Plants are exposed to heavy metals from various sources: mining and refining of ores, fertilizer and pesticide applications, battery chemicals, disposal of solid wastes(including sewage sludge), irrigation with wastewater, vehicular exhaust emissions and adjacent industrial activity.Heavy metals induce various morphological, physiological, and biochemical dysfunctions in plants, either directly or indirectly, and cause various damaging effects. The most frequently documented and earliest consequence of heavy metal toxicity in plants cells is the overproduction of ROS. Unlike redox-active metals such as iron and copper, heavy metals (e.g, Pb, Cd, Ni, AI, Mn and Zn) cannot generate ROS directly by participating in biological redox reactions such as Haber Weiss/Fenton reactions. However, these metals induce ROS generation via different indirect mechanisms, such as stimulating the activity of NADPH oxidases, displacing essential cations from specific binding sites of enzymes and inhibiting enzymatic activities from their affinity for -SH groups on the enzyme.Under normal conditions, ROS play several essential roles in regulating the expression of different genes. Reactive oxygen species control numerous processes like the cell cycle, plant growth, abiotic stress responses, systemic signalling, programmed cell death, pathogen defence and development. Enhanced generation of these species from heavy metal toxicity deteriorates the intrinsic antioxidant defense system of cells, and causes oxidative stress. Cells with oxidative stress display various chemical,biological and physiological toxic symptoms as a result of the interaction between ROS and biomolecules. Heavy-metal-induced ROS cause lipid peroxidation, membrane dismantling and damage to DNA, protein and carbohydrates. Plants have very well-organized defense systems, consisting of enzymatic and non-enzymatic antioxidation processes. The primary defense mechanism for heavy metal detoxification is the reduced absorption of these metals into plants or their sequestration in root cells.Secondary heavy metal tolerance mechanisms include activation of antioxidant enzymes and the binding of heavy metals by phytochelatins, glutathione and amino acids. These defense systems work in combination to manage the cascades of oxidative stress and to defend plant cells from the toxic effects of ROS.In this review, we summarized the biochemiCal processes involved in the over production of ROS as an aftermath to heavy metal exposure. We also described the ROS scavenging process that is associated with the antioxidant defense machinery.Despite considerable progress in understanding the biochemistry of ROS overproduction and scavenging, we still lack in-depth studies on the parameters associated with heavy metal exclusion and tolerance capacity of plants. For example, data about the role of glutathione-glutaredoxin-thioredoxin system in ROS detoxification in plant cells are scarce. Moreover, how ROS mediate glutathionylation (redox signalling)is still not completely understood. Similarly, induction of glutathione and phytochelatins under oxidative stress is very well reported, but it is still unexplained that some studied compounds are not involved in the detoxification mechanisms. Moreover,although the role of metal transporters and gene expression is well established for a few metals and plants, much more research is needed. Eventually, when results for more metals and plants are available, the mechanism of the biochemical and genetic basis of heavy metal detoxification in plants will be better understood. Moreover, by using recently developed genetic and biotechnological tools it may be possible to produce plants that have traits desirable for imparting heavy metal tolerance.
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Affiliation(s)
- Muhammad Shahid
- Department of Environmental Sciences, COMSATS Institute of Information Technology, Vehari, 61100, Pakistan
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Bai C, Liu L, Wood BW. Nickel affects xylem Sap RNase a and converts RNase A to a urease. BMC PLANT BIOLOGY 2013; 13:207. [PMID: 24320827 PMCID: PMC3878916 DOI: 10.1186/1471-2229-13-207] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Accepted: 12/03/2013] [Indexed: 05/05/2023]
Abstract
BACKGROUND Nickel (Ni) is an essential micronutrient; however, its metabolic or physiological functions in plants and animals are largely uncharacterized. The ribonucleases (RNase, e.g., RNase A) are a large family of hydrolases found in one form or many forms facilitating nitrogen (N) cycling. It is currently unknown how either a deficiency or excess of Ni influences the functionality of ribonucleases, like RNase A. This is especially true for perennial crops possessing relatively high Ni requirements. RESULTS We report that the 'rising' xylem sap of pecan [Carya illinoinensis (Wangenh.) K. Koch, a long-lived tree] at bud break contains a 14 kDa RNase A (aka, RNase 1), which amount has a 33% greater in Ni-deficient as in Ni-sufficient trees when exposed to Ni ions exhibits ureolytic activity. The homologous 13.4 kDa bovine pancreatic RNase A likewise exhibits ureolytic activity upon exposure to Ni ions. Ni therefore affects enzymatic function of a typically non-metalloenzyme, such as it transforms to an enzyme capable of hydrolyzing a linear amide; thus, converting an endonuclease esterase into a urease. CONCLUSIONS We conclude that Ni potentially affects the level and activity of RNase A present in the spring xylem sap of pecan trees, and probably in other crops, it has the same influence. The catalytic property of RNase A appears to shift from a nuclease to a urease relying on Ni exposure. This is suggestive that RNase A might possess novel metabolic functionality regarding N-metabolism in perennial plants. The ability of Ni to convert the activity of plant and animal RNase A from that of a ribonuclease to a urease indicates a possible unrecognized beneficial metabolic function of Ni in organisms, while also identifying a potential detrimental effect of excessive Ni on N related metabolic activity if there is sufficient disruption of Ni homeostasis.
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Affiliation(s)
- Cheng Bai
- Laboratory of Pests Comprehensive Governance for Tropical Crops, of Ministry of Agriculture, Hainan Laboratory for Monitoring and Control of Tropical Agricultural Pests, Hainan Engineering Research Center for Biological Control of Tropical Crops Diseases and Insect Pests, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
- United States Department of Agriculture, Agricultural Research Service, Southeast Fruit and Tree Nut Research Laboratory, Byron, GA 31008, USA
| | - Liping Liu
- Laboratory of Pests Comprehensive Governance for Tropical Crops, of Ministry of Agriculture, Hainan Laboratory for Monitoring and Control of Tropical Agricultural Pests, Hainan Engineering Research Center for Biological Control of Tropical Crops Diseases and Insect Pests, Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
| | - Bruce W Wood
- United States Department of Agriculture, Agricultural Research Service, Southeast Fruit and Tree Nut Research Laboratory, Byron, GA 31008, USA
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Kutman BY, Kutman UB, Cakmak I. Foliar nickel application alleviates detrimental effects of glyphosate drift on yield and seed quality of wheat. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:8364-72. [PMID: 23882996 DOI: 10.1021/jf402194v] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Glyphosate drift to nontarget crops causes growth aberrations and yield losses. This herbicide can also interact with divalent nutrients and form poorly soluble complexes. The possibility of using nickel (Ni), an essential divalent metal, for alleviating glyphosate drift damage to wheat was investigated in this study. Effects of Ni applications on various growth parameters, seed yield, and quality of durum wheat ( Triticum durum ) treated with sublethal glyphosate at different developmental stages were investigated in greenhouse experiments. Nickel concentrations of various plant parts and glyphosate-induced shikimate accumulation were measured. Foliar but not soil Ni applications significantly reduced glyphosate injuries including yield losses, stunting, and excessive tillering. Both shoot and grain Ni concentrations were enhanced by foliar Ni treatment. Seed germination and seedling vigor were impaired by glyphosate and improved by foliar Ni application to parental plants. Foliar Ni application appears to have a great potential to ameliorate glyphosate drift injury to wheat.
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Affiliation(s)
- Bahar Yildiz Kutman
- Faculty of Engineering and Natural Sciences, Sabancı University , 34956 Istanbul, Turkey
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28
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Kalsoom U, Boyce MC, Bennett IJ, Veraplakorn V. Simultaneous Determination of Key Osmoregulants in Halophytes Using HPLC–ELSD. Chromatographia 2013. [DOI: 10.1007/s10337-013-2494-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Polacco JC, Mazzafera P, Tezotto T. Opinion: nickel and urease in plants: still many knowledge gaps. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2013; 199-200:79-90. [PMID: 23265321 DOI: 10.1016/j.plantsci.2012.10.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 10/19/2012] [Accepted: 10/20/2012] [Indexed: 05/22/2023]
Abstract
We propose experimental strategies to expand our understanding of the role of Ni in plants, beyond the Ni-metallocenter of urease, still the only identified Ni-containing plant enzyme. While Ni has been considered an essential mineral for plants there is a clear lack of knowledge of its involvement in metabolic steps except the urease-catalyzed conversion of urea to ammonia and bicarbonate. We argue that urease (and hence, Ni) plays an important role in optimal N-use efficiency under various N regimes by recycling urea-N, which is generated endogenously exclusively from arginase action on arginine. We further suggest that urease and arginase may connect different metabolic compartments under stress situations, and therefore may be involved in stress tolerance. To determine possible non-urease roles of Ni we call for experimental manipulation of both Ni and N availability in urease-negative mutants. Plant ureases have been shown to have defense roles, distinct from their ureolytic activity, and we call for investigation of whether Ni helps maintain a urease conformation or stability for these non-ureolytic defense roles. The beneficial effects of Ni at upper concentration limits have not been fully examined. We posit a "Ni strategy" of plants whose growth/performance is stimulated by unusual amounts of soil Ni, for defense and/or for maximal N-use efficiency. While we know little about Ni and urease roles in N metabolism and defense, virtually nothing is known about Ni roles in plant-microbial 'consortia.' And, much of what we know of Ni and urease is limited to only a few plants, e.g. soybean, potato and Arabidopsis, and we suggest studies vigorously extended to other plants.
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Affiliation(s)
- Joe C Polacco
- University of Missouri, Department of Biochemistry, Interdisciplinary Plant Group, Columbia, MO 65211, United States.
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D'Emilio M, Macchiato M, Ragosta M, Simoniello T. A method for the integration of satellite vegetation activities observations and magnetic susceptibility measurements for monitoring heavy metals in soil. JOURNAL OF HAZARDOUS MATERIALS 2012; 241-242:118-126. [PMID: 23044196 DOI: 10.1016/j.jhazmat.2012.09.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 08/30/2012] [Accepted: 09/12/2012] [Indexed: 06/01/2023]
Abstract
We present a procedure for monitoring heavy metals in soil based on the integration of satellite and ground-based techniques, tested in an area affected by high anthropogenic pressure. High resolution multispectral satellite data were elaborated to obtain information on vegetation status. Magnetic susceptibility measurements of soils were collected as proxy variable for monitoring heavy metal presence. Chemical analyses of heavy metals were used for supporting and validating the integrated monitoring procedure. Magnetic and chemical measurements were organized in a GIS environment to be overlapped to satellite-based elaborations and to analyze the pattern distribution. Results show the presence of correlation between anomalies in vegetation activity and soil characteristics. The relationship between the distribution of normalized difference vegetation index anomalies and magnetic susceptibility values provides hints for adopting the integrated procedure as preliminary screening to minimize monitoring efforts and costs by supporting the planning activities of field campaigns.
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Affiliation(s)
- Mariagrazia D'Emilio
- Istituto di Metodologie per l'Analisi Ambientale (IMAA)/CNR, C.da S.Loja, 85050 Tito Scalo, Potenza, Italy.
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Velikova V, Tsonev T, Loreto F, Centritto M. Changes in photosynthesis, mesophyll conductance to CO2, and isoprenoid emissions in Populus nigra plants exposed to excess nickel. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2011; 159:1058-66. [PMID: 21126813 DOI: 10.1016/j.envpol.2010.10.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2010] [Accepted: 10/18/2010] [Indexed: 05/08/2023]
Abstract
Poplar (Populus nigra) plants were grown hydroponically with 30 and 200 μM Ni (Ni30 and Ni200). Photosynthesis limitations and isoprenoid emissions were investigated in two leaf types (mature and developing). Ni stress significantly decreased photosynthesis, and this effect depended on the leaf Ni content, which was lower in mature than in developing leaves. The main limitations to photosynthesis were attributed to mesophyll conductance and metabolism impairment. In Ni-stressed developing leaves, isoprene emission was significantly stimulated. We attribute such stimulation to the lower chloroplastic [CO2] than in control leaves. However chloroplastic [CO2] did not control isoprene emission in mature leaves. Ni stress induced the emission of cis-β-ocimene in mature leaves, and of linalool in both leaf types. Induced biosynthesis and emission of isoprenoids reveal the onset of antioxidant processes that may also contribute to reduce Ni stress, especially in mature poplar leaves.
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Affiliation(s)
- Violeta Velikova
- Bulgarian Academy of Sciences, Acad. M. Popov Institute of Plant Physiology, Acad. G. Bonchev, Bl. 21, 1113 Sofia, Bulgaria.
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Cruchaga S, Artola E, Lasa B, Ariz I, Irigoyen I, Moran JF, Aparicio-Tejo PM. Short term physiological implications of NBPT application on the N metabolism of Pisum sativum and Spinacea oleracea. JOURNAL OF PLANT PHYSIOLOGY 2011; 168:329-36. [PMID: 20932600 DOI: 10.1016/j.jplph.2010.07.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Revised: 07/23/2010] [Accepted: 07/23/2010] [Indexed: 05/09/2023]
Abstract
The application of urease inhibitors in conjunction with urea fertilizers as a means of reducing N loss due to ammonia volatilization requires an in-depth study of the physiological effects of these inhibitors on plants. The aim of this study was to determine how the urease inhibitor N-(n-butyl) thiophosphoric triamide (NBPT) affects N metabolism in pea and spinach. Plants were cultivated in pure hydroponic culture with urea as the sole N source. After 2 weeks of growth for pea, and 3 weeks for spinach, half of the plants received NBPT in their nutrient solution. Urease activity, urea and ammonium content, free amino acid composition and soluble protein were determined in leaves and roots at days 0, 1, 2, 4, 7 and 9, and the NBPT content in these tissues was determined 48h after inhibitor application. The results suggest that the effects of NBPT on spinach and pea urease activity differ, with pea being most affected by this treatment, and that the NBPT absorbed by the plant caused a clear inhibition of the urease activity in pea leaf and roots. The high urea concentration observed in leaves was associated with the development of necrotic leaf margins, and was further evidence of NBPT inhibition in these plants. A decrease in the ammonium content in roots, where N assimilation mainly takes place, was also observed. Consequently, total amino acid contents were drastically reduced upon NBPT treatment, indicating a strong alteration of the N metabolism. Furthermore, the amino acid profile showed that amidic amino acids were major components of the reduced pool of amino acids. In contrast, NBPT was absorbed to a much lesser degree by spinach plants than pea plants (35% less) and did not produce a clear inhibition of urease activity in this species.
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Affiliation(s)
- Saioa Cruchaga
- Dpto. Ciencias del Medio Natural, Campus Arrosadía, Public University of Navarra, Pamplona, Navarre, Spain
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Yusuf M, Fariduddin Q, Hayat S, Ahmad A. Nickel: an overview of uptake, essentiality and toxicity in plants. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2011; 86:1-17. [PMID: 21170705 DOI: 10.1007/s00128-010-0171-1] [Citation(s) in RCA: 170] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Accepted: 11/29/2010] [Indexed: 05/04/2023]
Abstract
Nickel even though recognized as a trace element, its metabolism is very decisive for certain enzyme activities, maintaining proper cellular redox state and various other biochemical, physiological and growth responses. Study of the aspects related with uptake, transport and distributive localization of Ni is very important in various cellular metabolic processes particularly under increased nitrogen metabolism. This review article, in core, encompasses the dual behavior of Ni in plants emphasizing its systemic partitioning, essentiality and ill effects. However, the core mechanism of molecules involved and the successive physiological conditions required starting from the soil absorption, neutralization and toxicity generated is still elusive, and varies among the plants.
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Affiliation(s)
- M Yusuf
- Plant Physiology Section, Department of Botany, Aligarh Muslim University, Aligarh, 202002 Uttar Pradesh, India
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Ahmad MSA, Ashraf M. Essential roles and hazardous effects of nickel in plants. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2011; 214:125-167. [PMID: 21913127 DOI: 10.1007/978-1-4614-0668-6_6] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
With the world's ever increasing human population, the issues related to environmental degradation of toxicant chemicals are becoming more serious. Humans have accelerated the emission to the environment of many organic and inorganic pollutants such as pesticides, salts, petroleum products, acids, heavy metals, etc. Among different environmental heavy-metal pollutants, Ni has gained considerable attention in recent years, because of its rapidly increasing concentrations in soil, air, and water in different parts of the world. The main mechanisms by which Ni is taken up by plants are passive diffusion and active transport. Soluble Ni compounds are preferably absorbed by plants passively, through a cation transport system; chelated Ni compounds are taken up through secondary, active-transport-mediated means, using transport proteins such as permeases. Insoluble Ni compounds primarily enter plant root cells through endocytosis. Once absorbed by roots, Ni is easily transported to shoots via the xylem through the transpiration stream and can accumulate in neonatal parts such as buds, fruits, and seeds. The Ni transport and retranslocation processes are strongly regulated by metal-ligand complexes (such as nicotianamine, histidine, and organic acids) and by some proteins that specifically bind and transport Ni. Nickel, in low concentrations, fulfills a variety of essential roles in plants, bacteria, and fungi. Therefore, Ni deficiency produces an array of effects on growth and metabolism of plants, including reduced growth, and induction of senescence, leaf and meristem chlorosis, alterations in N metabolism, and reduced Fe uptake. In addition, Ni is a constituent of several metallo-enzymes such as urease, superoxide dismutase, NiFe hydrogenases, methyl coenzyme M reductase, carbon monoxide dehydrogenase, acetyl coenzyme-A synthase, hydrogenases, and RNase-A. Therefore, Ni deficiencies in plants reduce urease activity, disturb N assimilation, and reduce scavenging of superoxide free radical. In bacteria, Ni participates in several important metabolic reactions such as hydrogen metabolism, methane biogenesis, and acetogenesis. Although Ni is metabolically important in plants, it is toxic to most plant species when present at excessive amounts in soil and in nutrient solution. High Ni concentrations in growth media severely retards seed germinability of many crops. This effect of Ni is a direct one on the activities of amylases, proteases, and ribonucleases, thereby affecting the digestion and mobilization of food reserves in germinating seeds. At vegetative stages, high Ni concentrations retard shoot and root growth, affect branching development, deform various plant parts, produce abnormal flower shape, decrease biomass production, induce leaf spotting, disturb mitotic root tips, and produce Fe deficiency that leads to chlorosis and foliar necrosis. Additionally, excess Ni also affects nutrient absorption by roots, impairs plant metabolism, inhibits photosynthesis and transpiration, and causes ultrastructural modifications. Ultimately, all of these altered processes produce reduced yields of agricultural crops when such crops encounter excessive Ni exposures.
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Drazkiewicz M, Baszyński T. Interference of nickel with the photosynthetic apparatus of Zea mays. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2010; 73:982-986. [PMID: 20363026 DOI: 10.1016/j.ecoenv.2010.02.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2009] [Revised: 01/26/2010] [Accepted: 02/01/2010] [Indexed: 05/29/2023]
Abstract
Photosynthetic capacity of plants in heavy metals-polluted environment depends on growth stage of plants. Previously, Ni effect on the process of photosynthesis was studied in fully developed plants. The objective of our studies was the response of the developing photosynthetic apparatus to Ni. Changes in chlorophyll a fluorescence induction kinetics: t(1/2), F(v), F(m), F(0), F(v)/F(m), the content of chlorophyll a, b and carotenoids (x+c), as well as the ratios of chlorophyll (a+b) to the total carotenoids [(a+b)/(x+c)] and chlorophyll a/b (Chl a/b) were followed in leaves of 3 day old seedlings of Zea mays exposed to 0, 100 and 200 microNi for 8 and 13 days. The values of t(1/2), F(v), F(m) markedly declined in seedlings treated with 200 microM Ni for both periods, while the F(v)/F(m) ratio decreased in those exposed to 200 microM Ni for 13 days. The content of (x+c) declined gradually with time of plant exposure to the metal. The (a+b)/(x+c) ratio was reduced under Ni treatment, particularly after 8 days. The Chl a/b ratio increased in seedlings treated with the metal for 8 days, but decreased after 13-day-exposure, indicating different response of Chl b to Ni depending on the exposure time. During growth under Ni stress maize invested primarily in Cars and the reaction centre pigment-Chl a. The protective mechanisms in the Ni stressed plant are discussed.
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Affiliation(s)
- Maria Drazkiewicz
- Department of Plant Physiology, Maria Curie-SkŁodowska University, Akademicka 19, 20-033 Lublin, Poland.
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Botero WG, de Oliveira LC, Rocha JC, Rosa AH, Dos Santos A. Peat humic substances enriched with nutrients for agricultural applications: competition between nutrients and non-essential metals present in tropical soils. JOURNAL OF HAZARDOUS MATERIALS 2010; 177:307-311. [PMID: 20042279 DOI: 10.1016/j.jhazmat.2009.12.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2009] [Revised: 12/02/2009] [Accepted: 12/05/2009] [Indexed: 05/28/2023]
Abstract
Improved agricultural productivity, and reduction of environmental impacts, require studies of the interactions between different soil components. Fertilizers marketed as "organic" or "natural", such as peats or humic substances (HS) extracted from peats, are enriched with macro and micronutrients that, according to the manufacturers, are released to the plant in accordance with its needs. This work investigates the complexation capacity of HS for macro and micronutrient metal species, considering the competition, for HS complexation sites, between non-essential metals (aluminium and lead), present in the soil, and the nutrients. Humic substances were found to possess strong affinities for Pb(II) and Al(III), forming stable complexes, with concomitant release of complexed nutrients. Although HS are already used commercially as organic fertilizers, further studies of methods of HS enrichment, aimed at avoiding losses, are highly desirable from environmental and economic perspectives.
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Saito A, Saito M, Ichikawa Y, Yoshiba M, Tadano T, Miwa E, Higuchi K. Difference in the distribution and speciation of cellular nickel between nickel-tolerant and non-tolerant Nicotiana tabacum L. cv. BY-2 cells. PLANT, CELL & ENVIRONMENT 2010; 33:174-87. [PMID: 19906154 DOI: 10.1111/j.1365-3040.2009.02068.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
To evaluate Ni dynamics at the subcellular level, the distribution and speciation of Ni were determined in wild-type (WT) and Ni-tolerant (NIT) tobacco BY-2 cell lines. When exposed to low but toxic levels of Ni, NIT cells were found to contain 2.5-fold more Ni (14% of whole-cell Ni values) in their cell walls than WT cells (6% of whole-cell Ni values). In addition to higher levels of Ni in the apoplast, a higher proportion (94%) of symplastic Ni was localized in the vacuoles of NIT cells than in the vacuoles of WT cells (81%). The concentration of cytosolic Ni in the NIT cells was significantly lower (18 nmol g(-1) FW) than that in the WT cells (85 nmol g(-1) FW). In silico simulation showed that 95% of vacuolar Ni was in the form of Ni-citrate complexes, and that free Ni(2+) was virtually absent in the NIT cells. On the other hand, the amount of free metal ions was markedly increased in WT cells because free citrate was depleted by chelation of Ni. A protoplast viability assay using BCECF-AM further demonstrated that the main mechanism that confers strong Ni tolerance was present in the symplast as opposed to the cell wall.
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Affiliation(s)
- Akihiro Saito
- Laboratory of Plant Production Chemistry, Department of Applied Biology and Chemistry, Tokyo University of Agriculture, Tokyo 156-8502, Japan
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Tejada-Jiménez M, Galván A, Fernández E, Llamas A. Homeostasis of the micronutrients Ni, Mo and Cl with specific biochemical functions. CURRENT OPINION IN PLANT BIOLOGY 2009; 12:358-363. [PMID: 19487155 DOI: 10.1016/j.pbi.2009.04.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2008] [Revised: 04/27/2009] [Accepted: 04/27/2009] [Indexed: 05/27/2023]
Abstract
Homeostasis of three elements nickel, molybdenum and chloride is analysed. These micronutrients, at amounts varying in orders of magnitude, fulfil important cell functions. In general terms, cells use similar strategies to ensure that the elements are within physiological ranges avoiding high toxic concentrations. These strategies correspond to specific carriers, channels and pumps, intermediate steps (chelating/sequestration/binding/metabolic conversion/storage), final steps related to specific enzyme functionality and putative sensing proteins. Single cell homeostasis, coordinated with an efficient redistribution by xylem loading, ensures in turn homeostasis at the whole plant level. Recent advances are based on the molecular identification of some key components.
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Affiliation(s)
- Manuel Tejada-Jiménez
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias, Universidad de Córdoba, Campus de Rabanales, Córdoba, Spain
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Hänsch R, Mendel RR. Physiological functions of mineral micronutrients (Cu, Zn, Mn, Fe, Ni, Mo, B, Cl). CURRENT OPINION IN PLANT BIOLOGY 2009; 12:259-66. [PMID: 19524482 DOI: 10.1016/j.pbi.2009.05.006] [Citation(s) in RCA: 588] [Impact Index Per Article: 39.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Revised: 05/07/2009] [Accepted: 05/08/2009] [Indexed: 05/18/2023]
Abstract
Micronutrients are involved in all metabolic and cellular functions. Plants differ in their need for micronutrients, and we will focus here only on those elements that are generally accepted as essential for all higher plants: boron (B), chloride (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn). Several of these elements are redox-active that makes them essential as catalytically active cofactors in enzymes, others have enzyme-activating functions, and yet others fulfill a structural role in stabilizing proteins. In this review, we focus on the major functions of mineral micronutrients, mostly in cases where they were shown as constituents of proteins, making a selection and highlighting some functions in more detail.
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Affiliation(s)
- Robert Hänsch
- Institut für Pflanzenbiologie, Technische Universität Braunschweig, Braunschweig, Germany
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Tank N, Saraf M. Enhancement of plant growth and decontamination of nickel-spiked soil using PGPR. J Basic Microbiol 2009; 49:195-204. [PMID: 18798171 DOI: 10.1002/jobm.200800090] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Phytoremediation i.e. the use of plants to adsorb, accumulate or detoxify contaminants is an emerging area of interest. A viable technology needs optimum biomass production in metal contaminated soil. Five strains of microbes were selected after testing their potential as plant growth promoters, on the basis of their phosphate solubilization ability, IAA, siderophore and HCN production and biocontrol potentials. They were examined for growth in synthetic medium supplemented with nickel and their MIC (2 mM) was determined. These isolates were also able to grow and produce siderophores in presence of heavy metals like Ni, Zn and Cd. A positive response of bacterial inoculants was observed in chickpea plants towards toxic effect of nickel present in soil at different concentration (0, 1 and 2 mM). Bacterial inoculants enhanced fresh and dry weight of plants even at 2 mM nickel concentration. Pot experiments indicated that presence of nickel at upto 1 mM enhanced plant growth compared to uninoculated nickel free plants. The accumulation of nickel/plant was just 50% in Pseudomonas inoculated plants as compared to uninoculated plants with 2 mM nickel concentration along with increased biomass. The results suggest the use of these PGPR to enhance plant growth in nickel-spiked land and remediate nickel from contaminated sites.
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Affiliation(s)
- Neelam Tank
- Department of Microbiology, School of Sciences, Gujarat University, Ahmedabad, India
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Bhardwaj R, Arora N, Sharma P, Arora HK. Effects of 28-homobrassinolide on Seedling Growth, Lipid Peroxidation and Antioxidative Enzyme Activities under Nickel Stress in Seedlings of Zea mays L. ACTA ACUST UNITED AC 2007. [DOI: 10.3923/ajps.2007.765.772] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Bai C, Reilly CC, Wood BW. Identification and quantitation of asparagine and citrulline using high-performance liquid chromatography (HPLC). ANALYTICAL CHEMISTRY INSIGHTS 2007; 2:31-6. [PMID: 19662174 PMCID: PMC2716812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
High-performance liquid chromatography (HPLC) analysis was used for identification of two problematic ureides, asparagine and citrulline. We report here a technique that takes advantage of the predictable delay in retention time of the co-asparagine/citrulline peak to enable both qualitative and quantitative analysis of asparagine and citrulline using the Platinum EPS reverse-phase C18 column (Alltech Associates). Asparagine alone is eluted earlier than citrulline alone, but when both of them are present in biological samples they may co-elute. HPLC retention times for asparagine and citrulline were influenced by other ureides in the mixture. We found that at various asparagines and citrulline ratios [= 3:1, 1:1, and 1:3; corresponding to 75:25, 50:50, and 25:75 (microMol ml(-1)/microMol ml(-1))], the resulting peak exhibited different retention times. Adjustment of ureide ratios as internal standards enables peak identification and quantification. Both chemicals were quantified in xylem sap samples of pecan [Carya illinoinensis (Wangenh.) K. Koch] trees. Analysis revealed that tree nickel nutrition status affects relative concentrations of Urea Cycle intermediates, asparagine and citrulline, present in sap. Consequently, we concluded that the HPLC methods are presented to enable qualitative and quantitative analysis of these metabolically important ureides.
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Affiliation(s)
- Cheng Bai
- Correspondence: Cheng Bai, Ph. D., Tel: (478) 329-0770; Fax: (478) 956-2929;
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Bai C, Reilly CC, Wood BW. Identification and Quantitation of Asparagine and Citrulline Using High-Performance Liquid Chromatography (HPLC). ANALYTICAL CHEMISTRY INSIGHTS 2007. [DOI: 10.4137/117739010700200002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
High-performance liquid chromatography (HPLC) analysis was used for identification of two problematic ureides, asparagine and citrulline. We report here a technique that takes advantage of the predictable delay in retention time of the co-asparagine/citrulline peak to enable both qualitative and quantitative analysis of asparagine and citrulline using the Platinum EPS reverse-phase C18 column (Alltech Associates). Asparagine alone is eluted earlier than citrulline alone, but when both of them are present in biological samples they may co-elute. HPLC retention times for asparagine and citrulline were influenced by other ureides in the mixture. We found that at various asparagines and citrulline ratios [= 3:1, 1:1, and 1:3; corresponding to 75:25, 50:50, and 25:75 (μMol m−1/μMol ml−1)], the resulting peak exhibited different retention times. Adjustment of ureide ratios as internal standards enables peak identification and quantification. Both chemicals were quantified in xylem sap samples of pecan [ Carya illinoinensis (Wangenh.) K. Koch] trees. Analysis revealed that tree nickel nutrition status affects relative concentrations of Urea Cycle intermediates, asparagine and citrulline, present in sap. Consequently, we concluded that the HPLC methods are presented to enable qualitative and quantitative analysis of these metabolically important ureides.
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Affiliation(s)
- Cheng Bai
- United States Department of Agriculture, Agricultural Research Service, South Atlantic Area, Southeast Fruit and Tree Nut Research Laboratory, 21 Dunbar Road, Byron, Georgia 31008
| | - Charles C. Reilly
- United States Department of Agriculture, Agricultural Research Service, South Atlantic Area, Southeast Fruit and Tree Nut Research Laboratory, 21 Dunbar Road, Byron, Georgia 31008
| | - Bruce W. Wood
- United States Department of Agriculture, Agricultural Research Service, South Atlantic Area, Southeast Fruit and Tree Nut Research Laboratory, 21 Dunbar Road, Byron, Georgia 31008
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