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Mansoor S, Ali A, Kour N, Bornhorst J, AlHarbi K, Rinklebe J, Abd El Moneim D, Ahmad P, Chung YS. Heavy Metal Induced Oxidative Stress Mitigation and ROS Scavenging in Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:3003. [PMID: 37631213 PMCID: PMC10459657 DOI: 10.3390/plants12163003] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023]
Abstract
Although trace elements are essential for life, environmental contamination due to metal accumulation and overuse in various sectors, such as healthcare, agriculture, industry, and cosmetics, poses significant health concerns. Exposure of plants to heavy metals leads to the overproduction of reactive oxygen species (ROS) due to their ability to change mitochondrial membrane permeability and restrict the action of ROS clearance enzymes in the cellular antioxidant system. The interaction of ROS with cellular membranes, heavy-metal-induced interactions directly or indirectly with different macromolecules, and signaling pathways leads to the accumulation of environmental pollutants and oxidative stress in exposed organisms. The heavy metal-ROS-cell signaling axis affects various pathological processes such as ATP depletion, excess ROS production, mitochondrial respiratory chain damage, decoupling of oxidative phosphorylation, and mitochondrial death. This review focuses on discussing the toxic effects of different heavy metals on plants, with particular emphasis on oxidative stress, its consequences, and mitigation strategies.
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Affiliation(s)
- Sheikh Mansoor
- Department of Plant Resources and Environment, Jeju National University, Jeju 63243, Republic of Korea;
| | - Asif Ali
- Biomedical Sciences Research Institute, School of Biomedical Sciences, Ulster University, Coleraine BT52 1SA, Northern Ireland, UK;
| | - Navneet Kour
- Division of Biochemistry, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Jammu 180009, India
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, 20, 42119 Wuppertal, Germany;
- Trace Age-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal, 14558 Nuthetal, Germany
| | - Khadiga AlHarbi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Jörg Rinklebe
- Laboratory of Soil and Groundwater Management, Institute of Foundation Engineering, Water and Waste Management, School of Architecture and Civil Engineering, University of Wuppertal, Pauluskirchstraße 7, 42285 Wuppertal, Germany;
| | - Diaa Abd El Moneim
- Department of Plant Production (Genetic Branch), Faculty of Environmental Agricultural Sciences, Arish University, El-Arish 45511, Egypt;
| | - Parvaiz Ahmad
- Department of Botany, Government Degree College, Pulwama 192301, Jammu and Kashmir, India
| | - Yong Suk Chung
- Department of Plant Resources and Environment, Jeju National University, Jeju 63243, Republic of Korea;
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Gao PP, Liang H, Dong Y, Xue PY, Zhao QL, Yan JS, Ma W, Zhao JJ, Liu WJ. Transcriptomic mechanisms of reduced PM 2.5-Pb retention in the leaves of the low-Pb-accumulation genotype of Chinese cabbage. JOURNAL OF HAZARDOUS MATERIALS 2023; 444:130385. [PMID: 36403447 DOI: 10.1016/j.jhazmat.2022.130385] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 06/16/2023]
Abstract
Atmospheric fine particulate matter (PM2.5) mainly contributes to Pb accumulation in the edible leaves of Chinese cabbage in North China. It was found that a low-Pb-accumulation (LPA) genotype of Chinese cabbage contained less Pb in leaves than high-Pb-accumulation (HPA) genotype exposed to PM2.5-Pb. However, there are no data on the transcriptional regulatory mechanisms of foliar PM2.5-Pb uptake by Chinese cabbage. The present study investigated the retention of PM2.5-Pb in foliar apoplast and symplasm and the underlying molecular mechanisms of reduced Pb in LPA leaves. It appeared more Pb in apoplast and less Pb in symplasm of LPA leaves, whereas the pattern was opposite in HPA. There were 2646 and 3095 differentially expressed genes (DEGs) in LPA and HPA leaves under PM2.5-Pb stress with clearly genotype-specific function, respectively. Furthermore, mRNA levels of XTH16 regulating cell wall thickening, PME2 and PME6 involved in cell wall remodification were significantly expressed in LPA, but not in HPA. Meanwhile, foliar PM2.5-Pb stress downregulated expression of ZIP1, YSL1, and CNGC3 responsible for Pb influx to cell, and upregulated expression of ABCG36 regulated Pb efflux from symplasm in LPA leaves. These results improve our understanding to the mechanisms underlying foliar Pb uptake from PM2.5-Pb at transcriptomic level.
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Affiliation(s)
- Pei-Pei Gao
- State Key Laboratory of North China Crop Improvement and Regulation, College of Resources and Environmental Sciences, Hebei Agricultural University, Hebei, Baoding 071000, China; Key Laboratory for Farmland Eco-environment of Hebei Province, Hebei, Baoding 071000, China
| | - Hao Liang
- Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Hebei Collaborative Innovation Center for Green and Efficient Vegetable Industry, College of Horticulture, Hebei, Baoding 071000, China
| | - Yan Dong
- State Key Laboratory of North China Crop Improvement and Regulation, College of Resources and Environmental Sciences, Hebei Agricultural University, Hebei, Baoding 071000, China; Key Laboratory for Farmland Eco-environment of Hebei Province, Hebei, Baoding 071000, China
| | - Pei-Ying Xue
- State Key Laboratory of North China Crop Improvement and Regulation, College of Resources and Environmental Sciences, Hebei Agricultural University, Hebei, Baoding 071000, China; Key Laboratory for Farmland Eco-environment of Hebei Province, Hebei, Baoding 071000, China
| | - Quan-Li Zhao
- The Teaching and Experimental Station, Hebei Agricultural University, Hebei, Baoding 071000, China
| | - Jing-Sen Yan
- Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Hebei Collaborative Innovation Center for Green and Efficient Vegetable Industry, College of Horticulture, Hebei, Baoding 071000, China
| | - Wei Ma
- Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Hebei Collaborative Innovation Center for Green and Efficient Vegetable Industry, College of Horticulture, Hebei, Baoding 071000, China
| | - Jian-Jun Zhao
- Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Hebei Collaborative Innovation Center for Green and Efficient Vegetable Industry, College of Horticulture, Hebei, Baoding 071000, China
| | - Wen-Ju Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Resources and Environmental Sciences, Hebei Agricultural University, Hebei, Baoding 071000, China; Key Laboratory for Farmland Eco-environment of Hebei Province, Hebei, Baoding 071000, China.
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Genotoxicity and Cytotoxicity Induced in Zygophyllum fabago by Low Pb Doses Depends on the Population’s Redox Plasticity. HORTICULTURAE 2021. [DOI: 10.3390/horticulturae7110455] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lead (Pb) soil contamination remains a major ecological challenge. Zygophyllum fabago is a candidate for the Pb phytostabilisation of mining tailings; nevertheless, the cytogenotoxic effects of low doses of Pb on this species are still unknown. Therefore, Z. fabago seeds collected from non-mining (NM) and mining (M) areas were exposed to 0, 5 and 20 µM Pb for four weeks, after which seedling growth, Pb cytogenotoxic effects and redox status were analyzed. The data revealed that Pb did not affect seedling growth in M populations, in contrast to the NM population. Cell cycle progression delay/arrest was detected in both NM and M seedlings, mostly in the roots. DNA damage (DNAd) was induced by Pb, particularly in NM seedlings. In contrast, M populations, which showed a higher Pb content, exhibited lower levels of DNAd and protein oxidation, together with higher levels of antioxidants. Upon Pb exposure, reduced glutathione (GSH) and non-protein thiols were upregulated in shoots and were unaffected/decreased in roots from the NM population, whereas M populations maintained higher levels of flavanols and hydroxycinnamic acids in shoots and triggered GSH in roots and shoots. These differential organ-specific mechanisms seem to be a competitive strategy that allows M populations to overcome Pb toxicity, contrarily to NM, thus stressing the importance of seed provenance in phytostabilisation programs.
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Gold Nanoparticles-Induced Modifications in Cell Wall Composition in Barley Roots. Cells 2021; 10:cells10081965. [PMID: 34440734 PMCID: PMC8393560 DOI: 10.3390/cells10081965] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/28/2021] [Accepted: 07/30/2021] [Indexed: 12/28/2022] Open
Abstract
The increased use of nanoparticles (NP) in different industries inevitably results in their release into the environment. In such conditions, plants come into direct contact with NP. Knowledge about the uptake of NP by plants and their effect on different developmental processes is still insufficient. Our studies concerned analyses of the changes in the chemical components of the cell walls of Hordeum vulgare L. roots that were grown in the presence of gold nanoparticles (AuNP). The analyses were performed using the immunohistological method and fluorescence microscopy. The obtained results indicate that AuNP with different surface charges affects the presence and distribution of selected pectic and arabinogalactan protein (AGP) epitopes in the walls of root cells.
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Liné C, Manent F, Wolinski A, Flahaut E, Larue C. Comparative study of response of four crop species exposed to carbon nanotube contamination in soil. CHEMOSPHERE 2021; 274:129854. [PMID: 33581396 DOI: 10.1016/j.chemosphere.2021.129854] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/29/2021] [Accepted: 01/31/2021] [Indexed: 05/16/2023]
Abstract
Crop plants are exposed to a variety of contaminants through sewage sludge spreading but very little is known about the impact of emerging contaminants such as nanomaterials. To date their impact on plants is still very controversial with many works claiming negative impacts while some authors suggest their use as plant growth regulator in agriculture. In this study, aiming to better understand where these discrepancies may come from, we investigated the influence of plant species (tomato, rapeseed, cucumber and maize) on plant response to a carbon nanotube contamination in soil condition. Our results demonstrate that the same CNT contamination can lead to different effects depending on plant species with positive impacts on cucumber and rapeseed (more than 50% increase in leaf biomass and surface area and 29% increase in chlorophyll for cucumber) but negative impact on maize (-14% for plant height), while tomato was insensitive. FTIR analysis of biomacromolecule composition suggested that these differences could be related with plant cell wall composition (in particular: pectins, xyloglucans and lignins). As a summary, no overall conclusion can be drawn about the toxicity of a specific nanomaterial for all plant species.
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Affiliation(s)
- Clarisse Liné
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France; CIRIMAT, Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, Université Toulouse 3 Paul Sabatier, Bât. CIRIMAT, 118, route de Narbonne, 31062, Toulouse cedex 9, France
| | - Fanny Manent
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France
| | - Adèle Wolinski
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France
| | - Emmanuel Flahaut
- CIRIMAT, Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, Université Toulouse 3 Paul Sabatier, Bât. CIRIMAT, 118, route de Narbonne, 31062, Toulouse cedex 9, France
| | - Camille Larue
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, Toulouse, France.
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Corso M, An X, Jones CY, Gonzalez-Doblas V, Schvartzman MS, Malkowski E, Willats WGT, Hanikenne M, Verbruggen N. Adaptation of Arabidopsis halleri to extreme metal pollution through limited metal accumulation involves changes in cell wall composition and metal homeostasis. THE NEW PHYTOLOGIST 2021; 230:669-682. [PMID: 33421150 DOI: 10.1111/nph.17173] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 12/22/2020] [Indexed: 05/21/2023]
Abstract
Metallophytes constitute powerful models for the study of metal homeostasis, adaptation to extreme environments and the evolution of naturally selected traits. Arabidopsis halleri is a pseudometallophyte which shows constitutive zinc/cadmium (Zn/Cd) tolerance and Zn hyperaccumulation but high intraspecific variability in Cd accumulation. To examine the molecular basis of the variation in metal tolerance and accumulation, ionome, transcriptome and cell wall glycan array profiles were compared in two genetically close A. halleri populations from metalliferous and nonmetalliferous sites in Northern Italy. The metallicolous population displayed increased tolerance to and reduced hyperaccumulation of Zn, and limited accumulation of Cd, as well as altered metal homeostasis, compared to the nonmetallicolous population. This correlated well with the differential expression of transporter genes involved in trace metal entry and in Cd/Zn vacuolar sequestration in roots. Many cell wall-related genes were also more highly expressed in roots of the metallicolous population. Glycan array and histological staining analyses demonstrated that there were major differences between the two populations in terms of the accumulation of specific root pectin and hemicellulose epitopes. Our results support the idea that both specific cell wall components and regulation of transporter genes play a role in limiting accumulation of metals in A. halleri at contaminated sites.
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Affiliation(s)
- Massimiliano Corso
- Laboratory of Plant Physiology and Molecular Genetics, Université Libre de Bruxelles, Brussels, 1050, Belgium
- Institut Jean-Pierre Bourgin, Université Paris-Saclay, INRAE, AgroParisTech, Versailles, 78000, France
| | - Xinhui An
- Laboratory of Plant Physiology and Molecular Genetics, Université Libre de Bruxelles, Brussels, 1050, Belgium
| | - Catherine Yvonne Jones
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne,, NE1 7RU, UK
| | - Verónica Gonzalez-Doblas
- Institut Jean-Pierre Bourgin, Université Paris-Saclay, INRAE, AgroParisTech, Versailles, 78000, France
| | - M Sol Schvartzman
- InBioS-PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, Liège, B-4000, Belgium
| | - Eugeniusz Malkowski
- Plant Ecophysiology Team, Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Katowice, 40-032, Poland
| | - William G T Willats
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne,, NE1 7RU, UK
| | - Marc Hanikenne
- InBioS-PhytoSystems, Functional Genomics and Plant Molecular Imaging, University of Liège, Liège, B-4000, Belgium
| | - Nathalie Verbruggen
- Laboratory of Plant Physiology and Molecular Genetics, Université Libre de Bruxelles, Brussels, 1050, Belgium
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Shi W, Zhou J, Li J, Ma C, Zhang Y, Deng S, Yu W, Luo ZB. Lead exposure-induced defense responses result in low lead translocation from the roots to aerial tissues of two contrasting poplar species. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 271:116346. [PMID: 33387784 DOI: 10.1016/j.envpol.2020.116346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/29/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
To explore whether lead (Pb)-induced defense responses are responsible for the low root-to-shoot Pb translocation, we exposed saplings of the two contrasting poplar species, Populus × canescens with relatively high root-to-shoot Pb translocation and P. nigra with low Pb translocation, to 0 or 8 mM PbCl2. Pb translocation from the roots to aboveground tissues was lower by 57% in P. nigra than that in P. × canescens. Lower Pb concentrations in the roots and aerial tissues, greater root biomass, and lower ROS overproduction in the roots were found in P. nigra than those in P. × canescens treated with Pb. P. nigra roots had higher proportions of cell walls (CWs)-bound Pb and water insoluble Pb compounds, and higher transcript levels of some pivotal genes related to Pb vacuolar sequestration, such as phytochelatin synthetase 1.1 (PCS1.1), ATP-binding cassette transporter C1.1 (ABCC1.1) and ABCC3.1 than P. × canescens roots. Pb exposure induced defense responses including increases in the contents of pectin and hemicellulose, and elevated oxalic acid accumulation, and the transcriptional upregulation of PCS1.1, ABCC1.1 and ABCC3.1 in the roots of P. nigra and P. × canescens. These results suggest that the stronger defense barriers in P. nigra roots are probably associated with the lower Pb translocation from the roots to aerial tissues, and that Pb exposure-induced defense responses can enhance the barriers against Pb translocation in poplar roots.
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Affiliation(s)
- Wenguang Shi
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Jing Zhou
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Jing Li
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Chaofeng Ma
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Yuhong Zhang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Shurong Deng
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Wenjian Yu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Zhi-Bin Luo
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Silviculture of the State Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
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Keyster M, Niekerk LA, Basson G, Carelse M, Bakare O, Ludidi N, Klein A, Mekuto L, Gokul A. Decoding Heavy Metal Stress Signalling in Plants: Towards Improved Food Security and Safety. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1781. [PMID: 33339160 PMCID: PMC7765602 DOI: 10.3390/plants9121781] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022]
Abstract
The mining of heavy metals from the environment leads to an increase in soil pollution, leading to the uptake of heavy metals into plant tissue. The build-up of toxic metals in plant cells often leads to cellular damage and senescence. Therefore, it is of utmost importance to produce plants with improved tolerance to heavy metals for food security, as well as to limit heavy metal uptake for improved food safety purposes. To achieve this goal, our understanding of the signaling mechanisms which regulate toxic heavy metal uptake and tolerance in plants requires extensive improvement. In this review, we summarize recent literature and data on heavy metal toxicity (oral reference doses) and the impact of the metals on food safety and food security. Furthermore, we discuss some of the key events (reception, transduction, and response) in the heavy metal signaling cascades in the cell wall, plasma membrane, and cytoplasm. Our future perspectives provide an outlook of the exciting advances that will shape the plant heavy metal signaling field in the near future.
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Affiliation(s)
- Marshall Keyster
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
- DST-NRF Centre of Excellence in Food Security, University of the Western Cape, Bellville 7530, South Africa;
| | - Lee-Ann Niekerk
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Gerhard Basson
- Plant Biotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Mogamat Carelse
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Olalekan Bakare
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Ndiko Ludidi
- DST-NRF Centre of Excellence in Food Security, University of the Western Cape, Bellville 7530, South Africa;
- Plant Biotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Ashwil Klein
- Plant Omics Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Lukhanyo Mekuto
- Department of Chemical Engineering, University of Johannesburg, Johannesburg 2028, South Africa;
| | - Arun Gokul
- Department of Chemical Engineering, University of Johannesburg, Johannesburg 2028, South Africa;
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Zhang J, Qian Y, Chen Z, Amee M, Niu H, Du D, Yao J, Chen K, Chen L, Sun J. Lead-induced oxidative stress triggers root cell wall remodeling and increases lead absorption through esterification of cell wall polysaccharide. JOURNAL OF HAZARDOUS MATERIALS 2020; 385:121524. [PMID: 31699479 DOI: 10.1016/j.jhazmat.2019.121524] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/21/2019] [Accepted: 10/21/2019] [Indexed: 06/10/2023]
Abstract
Tall fescue (Festuca arundinacea Schreb) shows remarkable tolerance to lead (Pb), but the mechanisms involved in metal tolerance are not yet well understood. Here, tall fescue were firstly cultivated hydroponically with Pb2+ (0, 50, 200 and 1000 mg/L) for 14 days. The results showed that remodeling of root architecture plays important roles in tolerance of tall fescue to Pb2+ stress. Increased cell wall (CW) components contribute to restrict high amount of Pb2+ in roots. Additionally, the uronic acid contents of pectin, hemicellulose 1 (HC1) and hemicellulose 2 (HC2) increased under Pb2+ stress. We further observed that tall fescue cultivated with H2O2 showed similar remodeling of root architecture as Pb2+ treatment. Furthermore, pectin, HC1 and HC2 fractions were sequentially extracted from 0 and 10 mM H2O2 treated roots, and Pb2+ adsorption capacity and contents of carboxyl groups of pectin and HC2 fractions were steadily increased under H2O2 treatment in vitro. Our results suggest that degrees of esterification of pectin and HC2 are regulated by H2O2. High amount of low-esterified pectin and HC2 offer more carboxyl groups, provide more Pb2+ binding sites, and restrict more Pb2+ in the CW, which may enhance tolerance of tall fescue to Pb2+ stress.
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Affiliation(s)
- Jing Zhang
- College of Resources and Environmental Science, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan, PR China; Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Chinese Academy of Science, Wuhan, PR China
| | - Yiguang Qian
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, PR China
| | - Zhongbing Chen
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Czech Republic
| | - Maurice Amee
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Chinese Academy of Science, Wuhan, PR China
| | - Hong Niu
- College of Resources and Environmental Science, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan, PR China
| | - Dongyun Du
- College of Resources and Environmental Science, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan, PR China
| | - Jun Yao
- School of Water Resources & Environment, China University of Geosciences Beijing, Beijing, PR China
| | - Ke Chen
- College of Resources and Environmental Science, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan, PR China.
| | - Liang Chen
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Chinese Academy of Science, Wuhan, PR China.
| | - Jie Sun
- College of Resources and Environmental Science, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities, Wuhan, PR China.
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10
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Zhan J, Huang H, Yu H, Zhang X, Zheng Z, Wang Y, Liu T, Li T. The combined effects of Cd and Pb enhanced metal binding by root cell walls of the phytostabilizer Athyrium wardii (Hook.). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 258:113663. [PMID: 31796316 DOI: 10.1016/j.envpol.2019.113663] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 10/20/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
Cell wall acts as a major metal sink in plant roots, while a few studies focused on root cell wall binding in plants for the phytostabilization of multi-metal contaminated soils. A pot experiment was performed to characterize root cell wall properties of the mining ecotype (ME) and non-mining ecotype (NME) of Athyrium wardii (Hook.) in response to Cd and Pb. The cell wall was found to be the major sink for Cd (41.3-54.3%) and Pb (71.4-73.8%) accumulation in roots of the ME when exposed to Cd and/or Pb. The ME showed more Cd and Pb accumulation in root cell walls when exposed to Cd and Pb simultaneously, compared with those exposed to single Cd or Pb as well as the NME, suggesting some modifications for cell walls. The uronic acid contents of pectin and hemicellulose 1 (HC1) in root cell walls of the ME increased significantly when exposed to Cd and Pb simultaneously, suggesting enhanced cell wall binding capacity, thus resulting in more Cd and Pb bound to pectin and HC1. In particular, pectin was found to be the predominant binding site for Cd and Pb. Greater pectin methylesterase activity along with a lower degree of methylesterification were observed in the cell walls of the ME when exposed to Cd and Pb simultaneously. Furthermore, the ME present more O-H, N-H, C-OH, C-O-C, C-C and/or Ar-H in root cell walls when exposed to Cd and Pb simultaneously. These changes of root cell wall properties of the ME lead to enhanced cell wall binding ability in response to the co-contamination of Cd and Pb, thus could be considered a key process for enhanced Cd and Pb accumulation in roots of the ME when exposed to Cd and Pb simultaneously.
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Affiliation(s)
- Juan Zhan
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Huagang Huang
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Haiying Yu
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Xizhou Zhang
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Zicheng Zheng
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Yongdong Wang
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Tao Liu
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Tingxuan Li
- College of Resources, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.
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11
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Yu H, Guo J, Li Q, Zhang X, Huang H, Huang F, Yang A, Li T. Characteristics of cadmium immobilization in the cell wall of root in a cadmium-safe rice line (Oryza sativa L.). CHEMOSPHERE 2020; 241:125095. [PMID: 31683432 DOI: 10.1016/j.chemosphere.2019.125095] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 10/06/2019] [Accepted: 10/09/2019] [Indexed: 05/23/2023]
Abstract
Cultivating cadmium (Cd)-safe rice lines, which show low Cd accumulation in brown rice, is generally beneficial to ensure food safety. The Cd retention in root of Cd-safe rice line D62B plays an important role in its low Cd translocation from root to shoot. To understand the mechanism of Cd retention in root, a hydroponic experiment was conducted to investigate the subcellular distribution of Cd and the contribution of polysaccharides to Cd binding to the root cell wall of a Cd-safe rice line D62B with a common rice line Luhui17 as a control material. D62B retained more Cd in the root by sequestrated a higher proportion of Cd in the cell wall, further it transferred less Cd to shoot. Close to half of the Cd in the root cell wall of D62B was accumulated in the hemicellulose 1 (HC1), and the proportions of HC1 in it were 1.2-1.7 times higher than these of Luhui17. The proportion of Cd in the pectin showed a dose-dependent increase in two rice lines. D62B contained significantly higher uronic acid concentrations of the pectin and greater pectin methyl esterase (PME) activities than Luhui17 in the root cell wall. These results indicated that a superior Cd binding capacity of the cell wall polysaccharides in D62B played an important role in its Cd retention in root.
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Affiliation(s)
- Haiying Yu
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Jingyi Guo
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Qin Li
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Xizhou Zhang
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Huagang Huang
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Fu Huang
- College of Agronomy, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Anqi Yang
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China
| | - Tingxuan Li
- College of Resource Science & Technology, Sichuan Agricultural University, 211 Huimin Road, Chengdu, Sichuan, 611130, China.
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12
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Corso M, García de la Torre VS. Biomolecular approaches to understanding metal tolerance and hyperaccumulation in plants. Metallomics 2020; 12:840-859. [DOI: 10.1039/d0mt00043d] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Trace metal elements are essential for plant growth but become toxic at high concentrations, while some non-essential elements, such as Cd and As, show toxicity even in traces.
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Affiliation(s)
- Massimiliano Corso
- Institut Jean-Pierre Bourgin
- Université Paris-Saclay
- INRAE
- AgroParisTech
- 78000 Versailles
| | - Vanesa S. García de la Torre
- Molecular Genetics and Physiology of Plants
- Faculty of Biology and Biotechnology
- Ruhr University Bochum
- 44801 Bochum
- Germany
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13
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Luo J, He W, Xing X, Wu J, Gu XWS. The phytoremediation efficiency of Eucalyptus globulus treated by static magnetic fields before sowing. CHEMOSPHERE 2019; 226:891-897. [PMID: 31509918 DOI: 10.1016/j.chemosphere.2019.03.192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/14/2019] [Accepted: 03/31/2019] [Indexed: 06/10/2023]
Abstract
Eucalyptus globulus pre-treated by static magnetic fields of 30, 60, 120, 150 and 400 mT (mT) before sowing were used in a 45-day experiment to remediate soil containing Cd, Hg, Pb, Zn, Cr and Cu. The influence of magnetic fields on its remediation efficiency was evaluated. Magnetic fields with strength of 30, 60, 120 and 150 mT increased the biomass yield of the species by 3.1, 19.4, 48.1 and 60.9%, respectively, while 400 mT decreased the yield by 16.7%. Comparing with the control exposed only to the earth's geomagnetic field, all plants pre-treated by static magnetic field had significantly higher metal concentrations with the highest values achieved in the field of 400 mT. Higher transpiration rate of the plants along with exposure to static magnetic fields induced lower soil moisture content and was beneficial to environmental control because it could reduce the leachate during the phytoremediation process. Among all static magnetic field treatments, 150 mT was the best to improve the phytoremediation and alleviate the environmental risk, which shortened the time to purify Cd, Pb and Cu by 27.8-73.2%, 27.3-74.7% and 2.5-50.6%, respectively and intercepted 31.6-86.1% of the leachate. Therefore, static magnetic field with appropriate intensity is a suitable candidate to improve phytoremediation efficiency through enhancing the biomass production, toxin uptake and leachate interception.
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Affiliation(s)
- Jie Luo
- College of Resources and Environment, Yangtze University, 111 University Road, Wuhan, China.
| | - Wenxiang He
- College of Resources and Environment, Yangtze University, 111 University Road, Wuhan, China
| | - Xinli Xing
- China University of Geosciences, 388 Lumo Road, Wuhan, 430074, China
| | - Jian Wu
- China University of Geosciences, 388 Lumo Road, Wuhan, 430074, China
| | - X W Sophie Gu
- The University of Melbourne, Grattan StreetParkville, Melbourne, VIC 3010, Victoria, Australia
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14
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Krzesłowska M, Timmers ACJ, Mleczek M, Niedzielski P, Rabęda I, Woźny A, Goliński P. Alterations of root architecture and cell wall modifications in Tilia cordata Miller (Linden) growing on mining sludge. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 248:247-259. [PMID: 30798026 DOI: 10.1016/j.envpol.2019.02.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 02/04/2019] [Accepted: 02/05/2019] [Indexed: 06/09/2023]
Abstract
Trees are considered good candidates for phytoremediation of soils contaminated with trace elements (TE), e.g. mine tailings. Using two year-old Tilia cordata plants, we demonstrated the nature and the scale of root architecture, especially root apices, as an indicator of mining sludge toxicity and plant capability to cope with these stress conditions. The novelty of our research is the analysis of the root response to substrate with extremely high concentrations of numerous toxic TE, and the 3D illustration of the disorders in root apex architecture using a clarity technique for confocal microscopy. The analysis demonstrates (1) a marked reduction in the size of the root apex zones (2) the occurrence of vascular tissues abnormally close to the root apex (3) collapse of the internal tissues in many root apices. Simultaneously, at the cellular level we observed some signs of a defensive response - such as a common increase of cell wall (CW) thickness and the formation of local CW thickenings - that enlarge the CW capacity for TE sequestration. However, we also detected harmful effects. Among others, a massive deposition of TE in the middle lamella which caused major damage - probably one of the reasons why the inner tissues of the root apex often collapsed - and the formation of incomplete CWs resulting in the occurrence of extremely large cells. Moreover, many cells of the root apex exhibited degenerated protoplasts. All these alterations indicate the harsh conditions for lime growth and survival and simultaneously, the manifestation of a defensive response. The obtained results allowed us to conclude that analysis of the nature and scale of structural alterations in roots can be useful indicators of plant ability to cope with stress conditions, e.g. in prospect of using the examined plants for reclamation of soils contaminated with TE.
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Affiliation(s)
- Magdalena Krzesłowska
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614, Poznań, Poland.
| | - Antonius C J Timmers
- Central Microscopy, Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Mirosław Mleczek
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Przemysław Niedzielski
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89B, 61-614, Poznań, Poland
| | - Irena Rabęda
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614, Poznań, Poland
| | - Adam Woźny
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614, Poznań, Poland
| | - Piotr Goliński
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
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15
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Zhao HM, Huang HB, Luo YM, Huang CQ, Du H, Xiang L, Cai QY, Li YW, Li H, Mo CH, He Z. Differences in Root Physiological and Proteomic Responses to Dibutyl Phthalate Exposure between Low- and High-DBP-Accumulation Cultivars of Brassica parachinensis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:13541-13551. [PMID: 30525579 DOI: 10.1021/acs.jafc.8b04956] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Di- n-butyl phthalate (DBP), as an endocrine-disrupting chemical that tends to be accumulated in crops, poses great risks to human health through the food chain. To identify the molecular mechanism underlying differences in their DBP accumulation, the root physiological and proteomic responses to DBP stress of two Brassica parachinensis cultivars, a high-DBP accumulator (Huaguan) and a low-DBP accumulator (Lvbao), were investigated. Root damage of greater severity and significantly greater ( p < 0.05) decreases in root protein content and root activity were detected in Lvbao than in Huaguan, suggesting that Lvbao had lower tolerance to DBP. In total, 52 DBP-responsive proteins were identified by two-dimensional electrophoresis and MALDI-TOF mass spectrometry. More proteins involved in basic metabolic processes, such as protein synthesis and energy metabolism, were downregulated in Lvbao, possibly explaining its lower tolerance and root damage. Several proteins involved in starch metabolism, cell-wall biosynthesis and modification, and stress response were activated in Huaguan, suggesting greater tolerance to DBP. Overall, differences in root proteome between the two cultivars might be responsible for the genotype-dependent DBP tolerance and accumulation in B. parachinensis.
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Affiliation(s)
- Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
- Indian River Research and Education Center, Institute of Food and Agricultural Sciences , University of Florida , Fort Pierce , Florida 34945 , United States
| | - He-Biao Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Yu-Mei Luo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Chun-Qing Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Huan Du
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Hui Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Zhenli He
- Indian River Research and Education Center, Institute of Food and Agricultural Sciences , University of Florida , Fort Pierce , Florida 34945 , United States
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16
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Sychta K, Słomka A, Suski S, Fiedor E, Gregoraszczuk E, Kuta E. Suspended cells of metallicolous and nonmetallicolous Viola species tolerate, accumulate and detoxify zinc and lead. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2018; 132:666-674. [PMID: 30368166 DOI: 10.1016/j.plaphy.2018.10.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 10/08/2018] [Accepted: 10/10/2018] [Indexed: 06/08/2023]
Abstract
We studied the zinc and lead accumulation and tolerance level of suspended cells of four Viola species with different metallophyte statuses: Viola lutea ssp. westfalica (obligate metallophyte), V. tricolor (facultative metallophyte), V. arvensis (accidental metallophyte) and V. uliginosa (nonmetallophyte), in order to determine the correlation between cell and plant tolerance. Cells of all studied species/genotypes were tolerant to metal concentrations applied to the medium for 24, 48 and 72 h, more for zinc than for lead, as estimated by cell viability using the alamarBlue assay. Viable cells of each analyzed species/genotype accumulated zinc and particularly lead in very high amounts after treatment with 2000 μM for 72 h (1500-4500 mg kg-1, 24 000-32 000 mg kg-1, respectively), determined by atomic absorption spectrometry. The bioaccumulation factor values confirmed the cells' hyperaccumulation strategy. The cell-activated detoxification mechanism, consisting in deposition of metals in the cell wall and vacuoles, as shown by transmission electron microscopy with X-ray microanalysis, allows the cells to survive despite the high level of metal accumulation. These results indicate innate high tolerance to zinc and lead in violets with different metallophyte statuses and also in the nonmetallophyte, suggesting that evolutionarily developed hypertolerance may occurs in this group as a whole.
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Affiliation(s)
- Klaudia Sychta
- Department of Plant Cytology and Embryology, Jagiellonian University, 9 Gronostajowa Str., 30-387, Cracow, Poland.
| | - Aneta Słomka
- Department of Plant Cytology and Embryology, Jagiellonian University, 9 Gronostajowa Str., 30-387, Cracow, Poland
| | - Szymon Suski
- Laboratory of Electron Microscopy, Nencki Institute of Experimental Biology of Polish Academy of Sciences, 3 Pasteur Str., 02-093, Warsaw, Poland
| | - Elżbieta Fiedor
- Department of Physiology and Toxicology of Reproduction, Jagiellonian University, 9 Gronostajowa Str., 30-387, Cracow, Poland
| | - Ewa Gregoraszczuk
- Department of Physiology and Toxicology of Reproduction, Jagiellonian University, 9 Gronostajowa Str., 30-387, Cracow, Poland
| | - Elżbieta Kuta
- Department of Plant Cytology and Embryology, Jagiellonian University, 9 Gronostajowa Str., 30-387, Cracow, Poland
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17
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Blamey FPC, McKenna BA, Li C, Cheng M, Tang C, Jiang H, Howard DL, Paterson DJ, Kappen P, Wang P, Menzies NW, Kopittke PM. Manganese distribution and speciation help to explain the effects of silicate and phosphate on manganese toxicity in four crop species. THE NEW PHYTOLOGIST 2018; 217:1146-1160. [PMID: 29091286 DOI: 10.1111/nph.14878] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 10/05/2017] [Indexed: 05/21/2023]
Abstract
Soil acidity and waterlogging increase manganese (Mn) in leaf tissues to potentially toxic concentrations, an effect reportedly alleviated by increased silicon (Si) and phosphorus (P) supply. Effects of Si and P on Mn toxicity were studied in four plant species using synchrotron-based micro X-ray fluorescence (μ-XRF) and nanoscale secondary ion mass spectrometry (NanoSIMS) to determine Mn distribution in leaf tissues and using synchrotron-based X-ray absorption spectroscopy (XAS) to measure Mn speciation in leaves, stems and roots. A concentration of 30 μM Mn in solution was toxic to cowpea and soybean, with 400 μM Mn toxic to sunflower but not white lupin. Unexpectedly, μ-XRF analysis revealed that 1.4 mM Si in solution decreased Mn toxicity symptoms through increased Mn localization in leaf tissues. NanoSIMS showed Mn and Si co-localized in the apoplast of soybean epidermal cells and basal cells of sunflower trichomes. Concomitantly, added Si decreased oxidation of Mn(II) to Mn(III) and Mn(IV). An increase from 5 to 50 μM P in solution changed some Mn toxicity symptoms but had little effect on Mn distribution or speciation. We conclude that Si increases localized apoplastic sorption of Mn in cowpea, soybean and sunflower leaves thereby decreasing free Mn2+ accumulation in the apoplast or cytoplasm.
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Affiliation(s)
- F Pax C Blamey
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
| | - Brigid A McKenna
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
| | - Cui Li
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
| | - Miaomiao Cheng
- Centre for AgriBioscience, La Trobe University, Bundoora, Vic., 3086, Australia
| | - Caixian Tang
- Centre for AgriBioscience, La Trobe University, Bundoora, Vic., 3086, Australia
| | - Haibo Jiang
- Centre for Microscopy, Characterization and Analysis, University of Western Australia, Crawley, WA, 6009, Australia
| | | | | | - Peter Kappen
- Australian Synchrotron, Clayton, Vic., 3168, Australia
| | - Peng Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Centre for Soil and Environmental Research, School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
| | - Neal W Menzies
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
| | - Peter M Kopittke
- School of Agriculture and Food Sciences, The University of Queensland, St Lucia, Qld, 4072, Australia
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18
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Mleczek M, Goliński P, Krzesłowska M, Gąsecka M, Magdziak Z, Rutkowski P, Budzyńska S, Waliszewska B, Kozubik T, Karolewski Z, Niedzielski P. Phytoextraction of potentially toxic elements by six tree species growing on hazardous mining sludge. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:22183-22195. [PMID: 28791581 PMCID: PMC5629231 DOI: 10.1007/s11356-017-9842-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 07/27/2017] [Indexed: 05/26/2023]
Abstract
The aim of the study was to compare the phytoextraction abilities of six tree species (Acer platanoides L., Acer pseudoplatanus L., Betula pendula Roth, Quercus robur L., Tilia cordata Miller, Ulmus laevis Pall.), cultivated on mining sludge contaminated with arsenic (As), cadmium (Cd), copper (Cu), lead (Pb), thallium (Tl), and zinc (Zn). All six tree species were able to survive on such an unpromising substrate. However, A. platanoides and T. cordata seedlings grown on the polluted substrate showed significantly lower biomass than control plants (55.5 and 45.6%, respectively). As, Cd, Cu, Pb, and Tl predominantly accumulated in the roots of all the analyzed tree species with the following highest contents: 1616, 268, 2432, 547, and 856 mg kg-1, respectively. Zn was predominantly localized in shoots with the highest content of 5801 and 5732 mg kg-1 for U. laevis and A. platanoides, respectively. A. platanoides was the most effective in Zn phytoextaction, with a bioconcentration factor (BCF) of 8.99 and a translocation factor (TF) of 1.5. Furthermore, with the exception of A. pseudoplatanus, the analyzed tree species showed a BCF > 1 for Tl, with the highest value for A. platanoides (1.41). However, the TF for this metal was lower than 1 in all the analyzed tree species. A. platanoides showed the highest BCF and a low TF and could, therefore, be a promising species for Tl phytostabilization. In the case of the other analyzed tree species, their potential for effective phytoextraction was markedly lower. Further studies on the use of A. platanoides in phytoremediation would be worth conducting.
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Affiliation(s)
- Mirosław Mleczek
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland.
| | - Piotr Goliński
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Magdalena Krzesłowska
- Faculty of Biology, Laboratory of General Botany, Adam Mickiewicz University in Poznań, Umultowska 89, 61-614, Poznań, Poland
| | - Monika Gąsecka
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Zuzanna Magdziak
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Paweł Rutkowski
- Department of Forest Sites and Ecology, Poznań University of Life Sciences, Wojska Polskiego 71F, 60-625, Poznań, Poland
| | - Sylwia Budzyńska
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Bogusława Waliszewska
- Institute of Chemical Wood Technology, University of Life Sciences in Poznan, Wojska Polskiego 75, 60-625, Poznań, Poland
| | - Tomisław Kozubik
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625, Poznań, Poland
- Energetyka S.A, M. Skłodowskiej-Curie 58, 59-301, Lubin, Poland
| | - Zbigniew Karolewski
- Department of Phytopathology, Poznan University of Life Sciences, Dąbrowskiego 159, 60-594, Poznań, Poland
| | - Przemysław Niedzielski
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89B, 61-614, Poznań, Poland
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19
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Woźniak A, Drzewiecka K, Kęsy J, Marczak Ł, Narożna D, Grobela M, Motała R, Bocianowski J, Morkunas I. The Influence of Lead on Generation of Signalling Molecules and Accumulation of Flavonoids in Pea Seedlings in Response to Pea Aphid Infestation. Molecules 2017; 22:E1404. [PMID: 28837107 PMCID: PMC6151543 DOI: 10.3390/molecules22091404] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/14/2017] [Accepted: 08/21/2017] [Indexed: 12/14/2022] Open
Abstract
The aim of this study was to investigate the effect of an abiotic factor, i.e., lead at various concentrations (low causing a hormesis effect and causing high toxicity effects), on the generation of signalling molecules in pea (Pisum sativum L. cv. Cysterski) seedlings and then during infestation by the pea aphid (Acyrthosiphon pisum Harris). The second objective was to verify whether the presence of lead in pea seedling organs and induction of signalling pathways dependent on the concentration of this metal trigger defense responses to A. pisum. Therefore, the profile of flavonoids and expression levels of genes encoding enzymes of the flavonoid biosynthesis pathway (phenylalanine ammonialyase and chalcone synthase) were determined. A significant accumulation of total salicylic acid (TSA) and abscisic acid (ABA) was recorded in the roots and leaves of pea seedlings growing on lead-supplemented medium and next during infestation by aphids. Increased generation of these phytohormones strongly enhanced the biosynthesis of flavonoids, including a phytoalexin, pisatin. This research provides insights into the cross-talk between the abiotic (lead) and biotic factor (aphid infestation) on the level of the generation of signalling molecules and their role in the induction of flavonoid biosynthesis.
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Affiliation(s)
- Agnieszka Woźniak
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
| | - Kinga Drzewiecka
- Department of Chemistry, Poznań University of Life Sciences, Wojska Polskiego 75, 60-625 Poznań, Poland.
| | - Jacek Kęsy
- Chair of Plant Physiology and Biotechnology, Nicolaus Copernicus University, Gagarina 9, 87-100 Toruń, Poland.
| | - Łukasz Marczak
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznań, Poland.
| | - Dorota Narożna
- Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland.
| | - Marcin Grobela
- Department of Ecology and Environmental Protection, Laboratory of Environmental Analyses, the Institute of Plant Protection National Research Institute, Węgorka 20, 60-101 Poznań, Poland.
| | - Rafał Motała
- Department of Ecology and Environmental Protection, Laboratory of Environmental Analyses, the Institute of Plant Protection National Research Institute, Węgorka 20, 60-101 Poznań, Poland.
| | - Jan Bocianowski
- Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland.
| | - Iwona Morkunas
- Department of Plant Physiology, Poznań University of Life Sciences, Wołyńska 35, 60-637 Poznań, Poland.
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20
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Shi X, Wang S, Sun H, Chen Y, Wang D, Pan H, Zou Y, Liu J, Zheng L, Zhao X, Jiang Z. Comparative of Quercus spp. and Salix spp. for phytoremediation of Pb/Zn mine tailings. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3400-3411. [PMID: 27866363 DOI: 10.1007/s11356-016-7979-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 10/24/2016] [Indexed: 05/06/2023]
Abstract
A pot experiment was conducted to evaluate the feasibility of using tree seedlings for the phytoremediation of lead/zinc (Pb/Zn) mine tailings. Seedlings of three Quercus spp. (Q. shumardii, Q. phellos, and Q. virginiana) and rooted cuttings of two Salix spp. (S. matsudana and S. integra) were transplanted into pots containing 50 and 100 % Pb/Zn mine tailings to evaluate their tolerance of heavy metals. The five species showed different tolerance levels to the Pb/Zn tailings treatments. Q. virginiana was highly tolerant to heavy metals and grew normally in the Pb/Zn tailings. The root systems showed marked differences between the Quercus spp. and Salix spp., indicating that different mechanisms operated to confer tolerance of heavy metals. The maximum efficiency of photosystem II photochemistry value of the five species showed no differences among the treatments, except for Q. shumardii. All species showed low metal translocation factors (TFs). However, S. integra had significantly higher TF values for Zn (1.42-2.18) and cadmium (1.03-1.45) than did the other species. In this respect, Q. virginiana showed the highest tolerance and a low TF, implying that it is a candidate for phytostabilization of mine tailings in southern China. S. integra may be useful for phytoextraction of tailings in temperate regions.
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Affiliation(s)
- Xiang Shi
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Shufeng Wang
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
| | - Haijing Sun
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
| | - Yitai Chen
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
| | - Dongxue Wang
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
- Forestry College of Inner Mongolia Agricultural University, Huhhot, 010019, China
| | - Hongwei Pan
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
| | - Yazhu Zou
- Research Institute of Subtropical Forestry, Key Laboratory of Tree Breeding of Zhejiang Province, Chinese Academy of Forestry, Hangzhou, 311400, China
| | - Jianfeng Liu
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Linyu Zheng
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Xiulian Zhao
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Zeping Jiang
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
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21
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Krzesłowska M, Rabęda I, Basińska A, Lewandowski M, Mellerowicz EJ, Napieralska A, Samardakiewicz S, Woźny A. Pectinous cell wall thickenings formation - A common defense strategy of plants to cope with Pb. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 214:354-361. [PMID: 27107260 DOI: 10.1016/j.envpol.2016.04.019] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 02/27/2016] [Accepted: 04/06/2016] [Indexed: 05/04/2023]
Abstract
Lead, one of the most abundant and hazardous trace metals affecting living organisms, has been commonly detected in plant cell walls including some tolerant plants, mining ecotypes and hyperaccumulators. We have previously shown that in tip growing Funaria sp. protonemata cell wall is remodeled in response to lead by formation of thickenings rich in low-methylesterified pectins (pectin epitope JIM5 - JIM5-P) able to bind metal ions, which accumulate large amounts of Pb. Hence, it leads to the increase of cell wall capacity for Pb compartmentalization. Here we show that diverse plant species belonging to different phyla (Arabidopsis, hybrid aspen, star duckweed), form similar cell wall thickenings in response to Pb. These thickenings are formed in tip growing cells such as the root hairs, and in diffuse growing cells such as meristematic and root cap columella cells of root apices in hybrid aspen and Arabidopsis and in mesophyll cells in star duckweed fronds. Notably, all analyzed cell wall thickenings were abundant in JIM5-P and accumulated high amounts of Pb. In addition, the co-localization of JIM5-P and Pb commonly occurred in these cells. Hence, cell wall thickenings formed the extra compartment for Pb accumulation. In this way plant cells increased cell wall capacity for compartmentalization of this toxic metal, protecting protoplast from its toxicity. As cell wall thickenings occurred in diverse plant species and cell types differing in the type of growth we may conclude that pectinous cell wall thickenings formation is a widespread defense strategy of plants to cope with Pb. Moreover, detection of natural defense strategy, increasing plant cell walls capacity for metal accumulation, reveals a promising direction for enhancing plant efficiency in phytoremediation.
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Affiliation(s)
- Magdalena Krzesłowska
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland.
| | - Irena Rabęda
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
| | - Aneta Basińska
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
| | - Michał Lewandowski
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
| | - Ewa J Mellerowicz
- Umeå Plant Science Center, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-90183 Umea, Sweden
| | - Anna Napieralska
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
| | - Sławomir Samardakiewicz
- Laboratory of Electron and Confocal Microscopy, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
| | - Adam Woźny
- Laboratory of General Botany, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznań, Poland
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