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Fan J, Chen Y, Li X, Huang J, Zhang X, Chen K, Xiang Y, Wu F, Yan X, Wen B. Transcriptomic and metabolomic insights into the antimony stress response of tall fescue (Festuca arundinacea). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:172990. [PMID: 38710395 DOI: 10.1016/j.scitotenv.2024.172990] [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: 01/21/2024] [Revised: 05/02/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
Antimony (Sb) is a toxic heavy metal that severely inhibits plant growth and development and threatens human health. Tall fescue, one of the most widely used grasses, has been reported to tolerate heavy metal stress. However, the adaptive mechanisms of Sb stress in tall fescue remain largely unknown. In this study, transcriptomic and metabolomic techniques were applied to elucidate the molecular mechanism of the Sb stress response in tall fescue. These results showed that the defense process in tall fescue was rapidly triggered during the early stages of Sb stress. Sb stress had toxic effects on tall fescue, and the cell wall and voltage-gated channels are crucial for regulating Sb permeation into the cells. In addition, the pathway of glycine, serine and threonine metabolism may play key roles in the Sb stress response of tall fescue. Genes such as ALDH7A1 and AGXT2 and metabolites such as aspartic acid, pyruvic acid, and biuret, which are related to biological processes and pathways, were key genes and compounds in the Sb stress response of tall fescue. Therefore, the regulatory mechanisms of specific genes and pathways should be investigated further to improve Sb stress tolerance.
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Affiliation(s)
- Jibiao Fan
- State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of China, 210042 Nanjing, Jiangsu, People's Republic of China; College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China
| | - Yao Chen
- College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China
| | - Xiaoqin Li
- College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China
| | - Jianbo Huang
- State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of China, 210042 Nanjing, Jiangsu, People's Republic of China
| | - Xingyu Zhang
- College of Resources and Environment, South-Central Minzu University, 430074 Wuhan, Hubei, People's Republic of China
| | - Ke Chen
- College of Resources and Environment, South-Central Minzu University, 430074 Wuhan, Hubei, People's Republic of China
| | - Yuanhang Xiang
- College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China
| | - Fangming Wu
- College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China
| | - Xuebing Yan
- College of Animal Science and Technology, Yangzhou University, 225009 Yangzhou, Jiangsu, People's Republic of China.
| | - Bing Wen
- State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of China, 210042 Nanjing, Jiangsu, People's Republic of China.
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Safeer R, Liu G, Yousaf B, Ashraf A, Haider MIS, Cheema AI, Ijaz S, Rashid A, Sikandar A, Pikoń K. Insights into the biogeochemical transformation, environmental impacts and biochar-based soil decontamination of antimony. ENVIRONMENTAL RESEARCH 2024; 251:118645. [PMID: 38485077 DOI: 10.1016/j.envres.2024.118645] [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: 12/06/2023] [Revised: 02/17/2024] [Accepted: 03/05/2024] [Indexed: 04/07/2024]
Abstract
Every year, a significant amount of antimony (Sb) enters the environment from natural and anthropogenic sources like mining, smelting, industrial operations, ore processing, vehicle emissions, shooting activities, and coal power plants. Humans, plants, animals, and aquatic life are heavily exposed to hazardous Sb or antimonide by either direct consumption or indirect exposure to Sb in the environment. This review summarizes the current knowledge about Sb global occurrence, its fate, distribution, speciation, associated health hazards, and advanced biochar composites studies used for the remediation of soil contaminated with Sb to lessen Sb bioavailability and toxicity in soil. Anionic metal(loid) like Sb in the soil is significantly immobilized by pristine biochar and its composites, reducing their bioavailability. However, a comprehensive review of the impacts of biochar-based composites on soil Sb remediation is needed. Therefore, the current review focuses on (1) the fundamental aspects of Sb global occurrence, global soil Sb contamination, its transformation in soil, and associated health hazards, (2) the role of different biochar-based composites in the immobilization of Sb from soil to increase biochar applicability toward Sb decontamination. The review aids in developing advanced, efficient, and effective engineered biochar composites for Sb remediation by evaluating novel materials and techniques and through sustainable management of Sb-contaminated soil, ultimately reducing its environmental and health risks.
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Affiliation(s)
- Rabia Safeer
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China
| | - Guijian Liu
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China.
| | - Balal Yousaf
- Department of Technologies and Installations for Waste Management, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 44 -100, Gliwice, Poland
| | - Aniqa Ashraf
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China
| | - Muhammad Irtaza Sajjad Haider
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China
| | - Ayesha Imtiyaz Cheema
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China
| | - Samra Ijaz
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, PR China
| | - Audil Rashid
- Botany Department, Faculty of Science, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Anila Sikandar
- Department of Environmental Science, Kunming University of Science and Technology, 650500, Yunnan, PR China
| | - Krzysztof Pikoń
- Department of Technologies and Installations for Waste Management, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 44 -100, Gliwice, Poland
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He D, Guo T, Dong Z, Li J, Wang F. Rare earth elements applied to phytoremediation: Enhanced endocytosis promotes remediation of antimony contamination with different valence levels in Solanum nigrum L. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 928:172253. [PMID: 38599400 DOI: 10.1016/j.scitotenv.2024.172253] [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: 12/19/2023] [Revised: 03/18/2024] [Accepted: 04/03/2024] [Indexed: 04/12/2024]
Abstract
Antimony (Sb) pollution poses a noteworthy risk to human health and ecosystem sustainability, therefore effective, eco-friendly, and widely accepted restoration methods are urgently needed. This study introduces a new approach of using La(III) foliar application on Solanum nigrum L. (S. nigrum), a cadmium hyperaccumulator, to improve its photosynthetic and root systems under Sb stress, resulting in a higher biomass. Notably, La(III) also enhances endocytosis in root cells, facilitating efficient and non-selective remediation of both Sb(III) and Sb(V) forms. The absorption of Sb by root cell endocytosis was observed visually with a confocal laser scanning microscope. The subcellular distribution of Sb in the cell wall of S. nigrum is reduced. And the antioxidant enzyme activity system is improved, resulting in an enhanced Sb tolerance in S. nigrum. Based on the existing bibliometric analysis, this paper identified optimal conditions for S. nigrum to achieve maximum translocation and bioconcentration factor values for Sb. The foliar application of La(III) on plants treated with Sb(III), Sb(V), and a combination of both resulted in translocation factor values of 0.89, 1.2, 1.13 and bioconcentration factor values of 11.3, 12.81, 14.54, respectively. Our work suggests that La(III)-enhanced endocytosis of S. nigrum root cells is a promising remediation strategy for Sb-contaminated environments.
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Affiliation(s)
- Ding He
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China; School of Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China; Jiangsu Province Engineering Research Center of Environmental Risk Prevention and Emergency Response Technology, Nanjing, Jiangsu 210023, China
| | - Ting Guo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China; School of Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China; Jiangsu Province Engineering Research Center of Environmental Risk Prevention and Emergency Response Technology, Nanjing, Jiangsu 210023, China
| | - Zhongtian Dong
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Jining Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China; School of Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China; Jiangsu Province Engineering Research Center of Environmental Risk Prevention and Emergency Response Technology, Nanjing, Jiangsu 210023, China
| | - Fenghe Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
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Saleem M, Pierce D, Wang Y, Sens DA, Somji S, Garrett SH. Heavy Metal(oid)s Contamination and Potential Ecological Risk Assessment in Agricultural Soils. J Xenobiot 2024; 14:634-650. [PMID: 38804290 PMCID: PMC11130943 DOI: 10.3390/jox14020037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/06/2024] [Accepted: 05/10/2024] [Indexed: 05/29/2024] Open
Abstract
Soil pollution caused by heavy metal(oid)s has generated great concern worldwide due to their toxicity, persistence, and bio-accumulation properties. To assess the baseline data, the heavy metal(oid)s, including manganese (Mn), iron (Fe), Cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), arsenic (As), lead (Pb), mercury (Hg), chromium (Cr), and cadmium (Cd), were evaluated in surface soil samples collected from the farmlands of Grand Forks County, North Dakota. Samples were digested via acid mixture and analyzed via inductively coupled plasma mass spectrometry (ICP MS) analysis to assess the levels, ecological risks, and possible sources. The heavy metal(oid) median levels exhibited the following decreasing trend: Fe > Mn > Zn > Ni > Cr > Cu > Pb > Co > As > Cd > Hg. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) suggested the main lithogenic source for the studied metal(oid)s. Metal(oid) levels in the current investigation, except Mn, are lower than most of the guideline values set by international agencies. The contamination factor (Cf), geo accumulation index (Igeo) and enrichment factor (EF) showed considerable contamination, moderate contamination, and significant enrichment, respectively, for As and Cd on median value basis. Ecological risk factor (Er) results exhibited low ecological risk for all studied metal(oid)s except Cd, which showed considerable ecological risk. The potential ecological risk index (PERI) levels indicated low ecological risk to considerable risk. Overall, the results indicate the accumulation of As and Cd in the study area. The high nutrients of the soils potentially affect their accumulation in crops and impact on consumers' health. This drives the impetus for continued environmental monitoring programs.
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Affiliation(s)
- Muhammad Saleem
- Department of Pathology, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA
| | - David Pierce
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA
| | - Yuqiang Wang
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA
| | - Donald A Sens
- Department of Pathology, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA
| | - Seema Somji
- Department of Pathology, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA
| | - Scott H Garrett
- Department of Pathology, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND 58202, USA
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Wu J, Jiao Y, Ran M, Li J. The role of an Sb-oxidizing bacterium in modulating antimony speciation and iron plaque formation to reduce the accumulation and toxicity of Sb in rice (Oryza sativa L.). JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133897. [PMID: 38442599 DOI: 10.1016/j.jhazmat.2024.133897] [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: 11/12/2023] [Revised: 02/04/2024] [Accepted: 02/24/2024] [Indexed: 03/07/2024]
Abstract
Microbial antimony (Sb) oxidation in the root rhizosphere and the formation of iron plaque (IP) on the root surface are considered as two separate strategies to mitigate Sb(III) phytotoxicity. Here, the effect of an Sb-oxidizing bacterium Bacillus sp. S3 on IP characteristics of rice exposed to Sb(III) and its alleviating effects on plant growth were investigated. The results revealed that Fe(II) supply promoted IP formation under Sb(III) stress. However, the formed IP facilitated rather than hindered the uptake of Sb by rice roots. In contrast, the combined application of Fe(II) and Bacillus sp. S3 effectively alleviated Sb(III) toxicity in rice, resulting in improved rice growth and photosynthesis, reduced oxidative stress levels, enhanced antioxidant systems, and restricted Sb uptake and translocation. Despite the ability of Bacillus sp. S3 to oxidize Fe(II), bacterial inoculation inhibited the formation of IP, resulting in a reduction in Sb absorption on IP and uptake into the roots. Additionally, the bacterial inoculum enhanced the transformation of Sb(III) to less toxic Sb(V) in the culture solution, further influencing the adsorption of Sb onto IP. These findings highlight the potential of combining microbial Sb oxidation and IP as an effective strategy for minimizing Sb toxicity in sustainable rice production systems.
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Affiliation(s)
- Jiaxing Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
| | - Ying Jiao
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
| | - Maodi Ran
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
| | - Jiaokun Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China.
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6
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Dai Y, Sun S, Cao R, Zhang H, Chen J, Geng N. Residual levels and health risk assessment of trace metals in Chinese resident diet. J Environ Sci (China) 2024; 136:451-459. [PMID: 37923455 DOI: 10.1016/j.jes.2022.09.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 11/07/2023]
Abstract
Large-scale metal contamination across the food web is an intractable problem due to increasing pollutant emissions, atmospheric transport, and dry and wet deposition of elements. The present study focus on several trace metals that are rarely studied but have special toxicity, including tin (Sn), antimony (Sb), gold (Au), hafnium (Hf), palladium (Pd), platinum (Pt), ruthenium (Ru), tellurium (Te) and iridium (Ir). We investigated trace metals residues and distribution characteristics, and further evaluated the potential health risks from major daily food intakes in 33 cities in China. Sn, Sb, Ir, Hf, and Au were frequently detected in food samples with the concentrations ranged from ND (not detected) to 24.78 µg/kg ww (wet weight). Eggs exhibited the highest residual level of all detected metals (13.70 ± 14.70 µg/kg ww in sum), while the lowest concentrations were observed in vegetables (0.53 ± 0.17 µg/kg ww in sum). Sn accounting for more than 50% of the total trace metals concentration in both terrestrial and aquatic animal origin foods. In terrestrial plant origin foods, Sn and Ir were the most abundant elements. Hf and Au were the most abundant elements in egg samples. In addition, Sb and Ir showed a clear trophic dilution effect in terrestrial environments, while in aquatic ecosystems, Sn, Hf, and Au exhibited obvious trophic amplification effects. The calculated average estimated daily intake (EDI) via food consumption in five regions of China was 0.09 µg/(kg·day), implying the health risk of aforementioned elements was acceptable.
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Affiliation(s)
- Yubing Dai
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Shuai Sun
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rong Cao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Haijun Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Jiping Chen
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Ningbo Geng
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
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Song Z, Dang X, Zhao L, Hou H, Guo Z, Lynch I, Nadezhda T, Zhang P. Influence of soil properties and aging on exogenous antimony toxicity to Caenorhabditis elegans in agricultural soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:12499-12510. [PMID: 38233709 DOI: 10.1007/s11356-024-31975-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 01/07/2024] [Indexed: 01/19/2024]
Abstract
Exploring the influence of soil on antimony (Sb) aging could help predict Sb toxicity on nematodes that play an important role in agricultural soil nitrogen cycling. This study aimed to investigate the major soil factors affecting the aging process and toxicity of exogenous Sb. Therefore, nematodes were exposed to varying levels of Sb contamination (0-6400 mg/kg) in nine agricultural soils, with aging periods of 7, 56, and 168 days, under dark conditions at 20 ± 0.5 °C for 96 h. The results suggested that nematode reproduction was more sensitive to the toxicity of exogenous trivalent Sb (Sb(III)) compared to growth and fertility. Following 7-168 days of aging, the EC50 of nematode reproduction increased from 546-1557 to 3560-6193 mg/kg in nine soils contaminated by exogenous Sb(III). Exogenous Sb(III) toxicity is overestimated without considering its aging process. The aging factors (AF) of nine soils aged over 7-168 days were calculated as 3.54-8.03. The regression equation AF = 0.923 pH - 0.812 (n = 9, adjust-r2 = 0.687, P = 0.004) indicated that pH was the primary soil factor explaining 85.2% of the variance in the aging process of exogenous Sb(III). No significant toxicity was observed in soils contaminated with exogenous pentavalent Sb after 7 days of aging. These findings could provide guidance for the adjustment of Sb toxicity data, the revision of soil environmental quality standard, and efficient soil environmental management.
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Affiliation(s)
- Zijie Song
- College of Land and Environment, National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, Ministry of Agriculture and Rural Affairs, Shenyang Agricultural University, Shenyang, 110866, China
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Xiuli Dang
- College of Land and Environment, National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, Ministry of Agriculture and Rural Affairs, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Long Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Hong Hou
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Zhiling Guo
- School of Geography, Earth & Environmental Science, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Iseult Lynch
- School of Geography, Earth & Environmental Science, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Tcyganova Nadezhda
- Farming and Grassland Science Department, Saint-Petersburg State Agrarian University, Saint-Petersburg, 196601, Russia
| | - Peng Zhang
- School of Geography, Earth & Environmental Science, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
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Caporale AG, Porfido C, Roggero PP, Di Palma A, Adamo P, Pinna MV, Garau G, Spagnuolo M, Castaldi P, Diquattro S. Long-term effect of municipal solid waste compost on the recovery of a potentially toxic element (PTE)-contaminated soil: PTE mobility, distribution and bioaccessibility. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:122858-122874. [PMID: 37979102 PMCID: PMC10724333 DOI: 10.1007/s11356-023-30831-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/30/2023] [Indexed: 11/19/2023]
Abstract
Compost from municipal solid waste (MSWC) can represent a resource for the environmental management of soils contaminated with potentially toxic elements (PTEs), since it can reduce their mobility and improve soil fertility. However, the long-term impact of compost on soil recovery has been poorly investigated. To this end, the influence of a MSWC added at different rates (i.e. 1.5, 3.0 and 4.5% w/w) to a multi-PTE-contaminated (e.g. Sb 412 mg kg-1, Pb 2664 mg kg-1 and Zn 7510 mg kg-1) sub-acidic soil (pH 6.4) was evaluated after 6 years since its addition. The MSWC significantly enhanced soil fertility parameters (i.e. total organic carbon, Olsen P and total N) and reduced the PTE labile fractions. The distribution maps of PTEs detected through µXRF analysis revealed the presence of Zn and Pb carbonates in the amended soils, or the formation of complexes between these PTEs and the functional groups of MSWC. A higher oral, inhalation and dermal bioaccessibility of each PTE was detected in the soil fine-grained fractions (< 2 and 2-10 µm) than in coarse particles (10-20 and 20-50 µm). The MSWC amendment generally did not modify the PTE bioaccessibility, while the relative bioaccessibility of cationic PTEs was greater than that of anionic ones (e.g. Cd > Zn > Pb > Sb > As). Pb and Sb showed the highest hazard quotients (e.g. 2.2 and 10 for Sb and Pb, respectively, in children). Overall, the results indicated that the MSWC used can be an effective option for the recovery of PTE-contaminated soils, even in the long term.
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Affiliation(s)
- Antonio Giandonato Caporale
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, Portici, 80055, Naples, Italy
| | - Carlo Porfido
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", Via G. Amendola 165/A, 70126, Bari, Italy
| | - Pier Paolo Roggero
- Dipartimento Di Agraria, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
- Nucleo Di Ricerca Sulla Desertificazione, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
| | - Anna Di Palma
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, Portici, 80055, Naples, Italy
- Research Institute On Terrestrial Ecosystems, National Research Council (IRET-CNR) Monterotondo Scalo, Rome, Italy
| | - Paola Adamo
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, Portici, 80055, Naples, Italy
| | - Maria Vittoria Pinna
- Dipartimento Di Agraria, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
| | - Giovanni Garau
- Dipartimento Di Agraria, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
| | - Matteo Spagnuolo
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", Via G. Amendola 165/A, 70126, Bari, Italy
| | - Paola Castaldi
- Dipartimento Di Agraria, University of Sassari, Viale Italia 39, 07100, Sassari, Italy.
- Nucleo Di Ricerca Sulla Desertificazione, University of Sassari, Viale Italia 39, 07100, Sassari, Italy.
| | - Stefania Diquattro
- Dipartimento Di Agraria, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
- Nucleo Di Ricerca Sulla Desertificazione, University of Sassari, Viale Italia 39, 07100, Sassari, Italy
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Zhang Y, Hou Z, Fu P, Wang X, Xue T, Chen Y. Simultaneous stabilization of arsenic and antimony co-contaminated mining soil by Fe(Ⅱ) activated-Fenton sludge: Behavior and mechanisms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122538. [PMID: 37709119 DOI: 10.1016/j.envpol.2023.122538] [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: 07/20/2023] [Revised: 09/07/2023] [Accepted: 09/09/2023] [Indexed: 09/16/2023]
Abstract
Fenton sludge (FS) with high iron contents that discharged from the Fenton process was rarely studied for soil remediation. Herein, a novel Fe(Ⅱ) activated-Fenton sludge (FS-FeSO4) was proposed to stabilize arsenic (As) and antimony (Sb) co-contaminated soil meanwhile disposing FS. Multiple characteristic analyses revealed that the porous structures and rich functional groups of FS-FeSO4 involved in As and Sb adsorption. Meanwhile, Fe (hydro)oxides played a key role in As and Sb stabilization. Under the optimal application parameters (stabilizers dosage: 5%, incubation time: 60 days), the available As and Sb content decreased by 88.6% and 83.3%, respectively, and the leachability of As and Sb was reduced by 100% and 72.6% for FS-FeSO4 stabilized soil. Moreover, the mobile As and Sb fractions (F1 and F2) were transformed into the most stable fraction (F5). The adsorption of As and Sb on FS-FeSO4 was well fitted by pseudo-second-order kinetic and Langmuir models, while FS-FeSO4 exhibited a better affinity for As than Sb under competition conditions. Poorly crystalline α-FeOOH and amorphous Fe (hydro)oxides provided sufficient active sites for As and Sb, and the generation of Fe-As/Sb and Ca-Sb chemical bonds promoted the stability of As and Sb. This study demonstrated that FS-FeSO4 was a potentially effective stabilizer for As and Sb co-contaminated soil remediation.
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Affiliation(s)
- Yuliang Zhang
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Zongwu Hou
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Pingfeng Fu
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Xiaofei Wang
- School of Environmental Science and Technology, Hubei Polytechnic University, Huangshi, 435003, Hubei Province, China; Green Environmental Technology Company Ltd., Nanning, 530031, Guangxi Province, China.
| | - Tianli Xue
- Green Environmental Technology Company Ltd., Nanning, 530031, Guangxi Province, China.
| | - Yuqi Chen
- School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
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10
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Tang H, Hassan MU, Nawaz M, Yang W, Liu Y, Yang B. A review on sources of soil antimony pollution and recent progress on remediation of antimony polluted soils. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115583. [PMID: 37862748 DOI: 10.1016/j.ecoenv.2023.115583] [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: 07/12/2023] [Revised: 10/03/2023] [Accepted: 10/11/2023] [Indexed: 10/22/2023]
Abstract
Antimony (Sb) is a serious toxic and non-essential metalloid for animals, humans, and plants. The rapid increase in anthropogenic inputs from mining and industrial activities, vehicle emissions, and shoot activity increased the Sb concentration in the environment, which has become a serious concern across the globe. Hence, remediation of Sb-contaminated soils needs serious attention to provide safe and healthy foods to humans. Different techniques, including biochar (BC), compost, manures, plant additives, phyto-hormones, nano-particles (NPs), organic acids (OA), silicon (Si), microbial remediation techniques, and phytoremediation are being used globally to remediate the Sb polluted soils. In the present review, we described sources of soil Sb pollution, the environmental impact of antimony pollution, the multi-faceted nature of antimony pollution, recent progress in remediation techniques, and recommendations for the remediation of soil Sb-pollution. We also discussed the success stories and potential of different practices to remediate Sb-polluted soils. In particular, we discussed the various mechanisms, including bio-sorption, bio-accumulation, complexation, and electrostatic attraction, that can reduce the toxicity of Sb by converting Sb-V into Sb-III. Additionally, we also identified the research gaps that need to be filled in future studies. Therefore, the current review will help to develop appropriate and innovative strategies to limit Sb bioavailability and toxicity and sustainably manage Sb polluted soils hence reducing the toxic effects of Sb on the environment and human health.
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Affiliation(s)
- Haiying Tang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang 330045, China; Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China; School of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Muhammad Umair Hassan
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang 330045, China; Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China
| | - Mohsin Nawaz
- Institute of Environment and Ecology, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Wenting Yang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang 330045, China; Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China
| | - Ying Liu
- School of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Binjuan Yang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang 330045, China; Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang 330045, China.
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11
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Wysocki R, Rodrigues JI, Litwin I, Tamás MJ. Mechanisms of genotoxicity and proteotoxicity induced by the metalloids arsenic and antimony. Cell Mol Life Sci 2023; 80:342. [PMID: 37904059 PMCID: PMC10616229 DOI: 10.1007/s00018-023-04992-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/12/2023] [Accepted: 09/29/2023] [Indexed: 11/01/2023]
Abstract
Arsenic and antimony are metalloids with profound effects on biological systems and human health. Both elements are toxic to cells and organisms, and exposure is associated with several pathological conditions including cancer and neurodegenerative disorders. At the same time, arsenic- and antimony-containing compounds are used in the treatment of multiple diseases. Although these metalloids can both cause and cure disease, their modes of molecular action are incompletely understood. The past decades have seen major advances in our understanding of arsenic and antimony toxicity, emphasizing genotoxicity and proteotoxicity as key contributors to pathogenesis. In this review, we highlight mechanisms by which arsenic and antimony cause toxicity, focusing on their genotoxic and proteotoxic effects. The mechanisms used by cells to maintain proteostasis during metalloid exposure are also described. Furthermore, we address how metalloid-induced proteotoxicity may promote neurodegenerative disease and how genotoxicity and proteotoxicity may be interrelated and together contribute to proteinopathies. A deeper understanding of cellular toxicity and response mechanisms and their links to pathogenesis may promote the development of strategies for both disease prevention and treatment.
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Affiliation(s)
- Robert Wysocki
- Department of Genetics and Cell Physiology, Faculty of Biological Sciences, University of Wroclaw, 50-328, Wroclaw, Poland.
| | - Joana I Rodrigues
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 405 30, Göteborg, Sweden
| | - Ireneusz Litwin
- Academic Excellence Hub - Research Centre for DNA Repair and Replication, Faculty of Biological Sciences, University of Wroclaw, 50-328, Wroclaw, Poland
| | - Markus J Tamás
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 405 30, Göteborg, Sweden.
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12
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Sharma S, Rai P, Prakash V, Tripathi S, Tiwari K, Gahlawat N, Tripathi DK, Sharma S. Ameliorative effects of Si-SNP synergy to mitigate chromium induced stress in Brassica juncea. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122031. [PMID: 37419203 DOI: 10.1016/j.envpol.2023.122031] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 05/07/2023] [Accepted: 06/12/2023] [Indexed: 07/09/2023]
Abstract
Hyperaccumulation of heavy metal in agricultural land has hampered yield of important crops globally. It has consequently deepened concerns regarding the burning issue of food security in the world. Among heavy metals, Chromium (Cr) is not needed for plant growth and found to pose detrimental effects on plants. Present study highlights the role of exogenous application of sodium nitroprusside (SNP, exogenous donor of NO) and silicon (Si) in alleviating detrimental ramification of Cr toxicity in Brassica juncea. The exposure of B. juncea to Cr (100 μM) under hydroponic system hampered the morphological parameters of plant growth like length and biomass and physiological parameters like carotenoid and chlorophyll contents. It also resulted in oxidative stress by disrupting the equilibrium between ROS production and antioxidant quenching leading to accumulation of ROS such as hydrogen peroxide (H2O2) and superoxide (O2•‾) radicle which causes lipid peroxidation. However, application of Si and SNP both individually and in combination counteracted oxidative stress due to Cr by regulating ROS accumulation and enhancing antioxidant metabolism by upregulation of antioxidant genes of DHAR, MDHAR, APX and GR. As the alleviatory effects were more pronounced in plants treated with combined application of Si and SNP; therefore, our findings suggest that dual application of these two alleviators can be used to mitigate Cr stress.
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Affiliation(s)
- Samarth Sharma
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Padmaja Rai
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Ved Prakash
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Sneha Tripathi
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | - Kavita Tiwari
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India
| | | | - Durgesh Kumar Tripathi
- Crop Nanobiology and Molecular Stress Physiology Lab, Amity Institute of Organic Agriculture, Amity University Uttar Pradesh, Sector-125, Noida, 201313, India
| | - Shivesh Sharma
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, 211004, UP, India.
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13
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Yang H, Fang R, Luo L, Yang W, Huang Q, Yang C, Hui W, Gong W, Wang J. Uncovering the mechanisms of salicylic acid-mediated abiotic stress tolerance in horticultural crops. FRONTIERS IN PLANT SCIENCE 2023; 14:1226041. [PMID: 37701800 PMCID: PMC10494719 DOI: 10.3389/fpls.2023.1226041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 07/28/2023] [Indexed: 09/14/2023]
Abstract
Salicylic acid (SA) has been recognized as a promising molecule for improving abiotic stress tolerance in plants due to its ability to enhance antioxidant defense system, and promote root architecture system. Recent research has focused on uncovering the mechanisms by which SA confers abiotic stress tolerance in horticultural crops. SA has been shown to act as a signaling molecule that triggers various physiological and morphological responses in plants. SA regulates the production of reactive oxygen species (ROS). Moreover, it can also act as signaling molecule that regulate the expression of stress-responsive genes. SA can directly interact with various hormones, proteins and enzymes involved in abiotic stress tolerance. SA regulates the antioxidant enzymes activities that scavenge toxic ROS, thereby reducing oxidative damage in plants. SA can also activate protein kinases that phosphorylate and activate transcription factors involved in stress responses. Understanding these mechanisms is essential for developing effective strategies to improve crop resilience in the face of changing environmental conditions. Current information provides valuable insights for farmers and plant researchers, offering new strategies to enhance crop resilience and productivity in the face of environmental challenges. By harnessing the power of SA and its signaling pathways, farmers can develop more effective stress management techniques and optimize crop performance. Plant researchers can also explore innovative approaches to breed or engineer crops with enhanced stress tolerance, thereby contributing to sustainable agriculture and food security.
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Affiliation(s)
- Hua Yang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Rui Fang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Ling Luo
- School of Environment, Sichuan Agricultural University, Chengdu, China
| | - Wei Yang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Qiong Huang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Chunlin Yang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Wenkai Hui
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Wei Gong
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
| | - Jingyan Wang
- Provincial Key Laboratory of Forestry Ecological Engineering of Sichuan Province, College of Forestry, Sichuan Agricultural UR.A.niversity, Chengdu, China
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14
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Lu Y, Wu J, Li J. The alleviating effects and underlying mechanisms of exogenous selenium on both Sb(III) and Sb(V) toxicity in rice seedlings (Oryza sativa L.). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:89927-89941. [PMID: 37460885 DOI: 10.1007/s11356-023-28631-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 07/02/2023] [Indexed: 08/11/2023]
Abstract
Selenium (Se) has been used to detoxify various heavy metals in plants. However, the effects and underlying mechanisms of exogenous Se application on the toxicity of antimonite [Sb(III)] and antimonate [Sb(V)] in crops are still poorly understood. Therefore, the potential alleviating roles of Se on the plant growth, antioxidant system, uptake and subcellular distribution of Sb, and expression of Sb-related genes were comprehensively investigated in rice seedlings (Oryza sativa L.) under both Sb(III) and Sb(V) stress conditions. The results showed that high concentrations of Sb(III) (100 µM) and Sb(V) (300 µM) caused a significant decrease in plant growth parameters, photosynthetic pigments and relative water content in rice seedlings. In contrast, the addition of Se (20 or 2 µM) improved rice growth, decreased Sb accumulation, and reduced oxidative stress in rice seedlings when exposed to 100 µM Sb(III) and 300 µM Sb(V), respectively. Furthermore, Se application could effectively improve the physiological adaptability of rice seedlings under Sb(III) and Sb(V) stress by regulating enzymatic and non-enzymatic antioxidant systems, Sb subcellular distribution and transcription levels of Sb-related genes, including in antioxidant response (OsCuZnSOD2, OsCATA and OsGSH1), detoxification (OsPCS1, OsPCS2 and OsABCC1) and Sb transport and sequestration (OsLsi1 and OsWAK11). Moreover, we also discovered that the mitigation effect of Se was dose-dependent and depended on Sb valence states. Thus, these findings contribute to our understanding of the mechanisms underlying Se-Sb antagonism in rice, offering a potentially useful method for producing both safe and Se-rich crops.
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Affiliation(s)
- Yongqing Lu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, Hunan, China
| | - Jiaxing Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, Hunan, China
| | - Jiaokun Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, Hunan, China.
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15
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Fakhri R, Jalali M, Ranjbar F. Empirical and Mechanistic Modeling of Release Kinetics of Heavy Metals and Their Chemical Distribution in the Rhizosphere and Non-rhizosphere Soils Under Vegetable Cultivation. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 84:466-483. [PMID: 37084006 DOI: 10.1007/s00244-023-00996-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 03/27/2023] [Indexed: 05/03/2023]
Abstract
Biochemical processes in the rhizosphere affect the availability and distribution of heavy metals (HMs) in various forms. Rhizosphere soil (RS) and non-rhizosphere soil (NRS) samples were collected from 10 fields under tarragon (Artemisia dracunculus L.) cultivation to investigate the release kinetics and distribution of HMs including cadmium (Cd), cobalt (Co), copper (Cu), iron (Fe), and zinc (Zn) in five fractions. The cumulative amounts of Cu and Fe released after 88 h were in the following ranges, respectively: 1.31-2.76 and 3.24-6.35 mg kg-1 in RS and 1.41-2.72 and 3.15-5.27 mg kg-1 in NRS. The parabolic diffusion and pseudo-second-order equations provided the best fit to the release kinetics data of Cu and Fe, respectively. The cation exchange model (CEM) based on Gaines-Thomas selectivity coefficients implemented in the PHREEQC program could well simulate the release of Cu and Fe suggesting that cation exchange was the dominant mechanism in the release of Fe and Cu from soils by 0.01 M CaCl2. Cadmium was predominantly found in fraction F2, while other HMs were mainly present in fraction F5. According to the risk assessment code, there was a very high risk for Cd, a medium risk for Co and Cu, a very low risk for Fe, and a low risk for Zn. Correlation analysis showed that soil physicochemical properties were effective in the distribution and transformation of HMs. Significant positive correlations between five fractions indicated that different forms of HMs can potentially transform into each other.
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Affiliation(s)
- Rosa Fakhri
- Department of Soil Science, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
| | - Mohsen Jalali
- Department of Soil Science, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran.
| | - Faranak Ranjbar
- Department of Soil Science, Faculty of Agriculture, Razi University, Kermanshah, Iran
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16
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Chandwani S, Kayasth R, Naik H, Amaresan N. Current status and future prospect of managing lead (Pb) stress through microbes for sustainable agriculture. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:479. [PMID: 36930330 DOI: 10.1007/s10661-023-11061-8] [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: 11/22/2022] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
Soil is an important residence under various biotic and abiotic conditions. Contamination of soil by various means has hazardous effects on both plants and humans. Soil contamination by heavy metals occurs due to various man-made activities, including improper industrial and agricultural practices. Among the heavy metals, after arsenic, lead (Pb) was found to be the second most toxic metal and potent pollutants that accumulate in sediments and soils. Pb is not considered an essential element for promoting plant growth but is readily absorbed and accumulated in different plant parts. Many parameters such as pH, root exudation, soil particle size, cation exchange capacity, and other physicochemical parameters are involved in Pb uptake in plants. Excess amounts of Pb pose a threat to plant growth and cause toxicity such as chlorosis, blackening of the root system, and stunted growth. Pb toxicity may inhibit photosynthesis, disturb water balance and mineral nutrition, and alter the hormonal status, structure, and membrane permeability of plants. Therefore, this review addresses the effects of Pb toxicity and its impact on plant growth, including the morphological, physiological, and biological effects of Pb toxicity, the mechanisms behind different strategies promoting plant growth, and in combating Pb-induced stress. The bioremediation strategy for Pb removal from Pb-contaminated soil also plays an important role in combating Pb toxicity using bacterial community. Pb-contaminated soil may be remediated using different technologies such as rhizofiltration and phytoremediation, which tend to have a great capacity to curb Pb-contamination within the soil.
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Affiliation(s)
- Sapna Chandwani
- C.G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli Surat, 394 350, Gujarat, India
| | - Rinkal Kayasth
- C.G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli Surat, 394 350, Gujarat, India
| | - Hetvi Naik
- C.G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli Surat, 394 350, Gujarat, India
| | - Natarajan Amaresan
- C.G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli Surat, 394 350, Gujarat, India.
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17
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Ren Y, Zheng W, Li S, Liu Y. Atomic H*-mediated electrochemical removal of low concentration antimonite and recovery of antimony from water. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130520. [PMID: 36462238 DOI: 10.1016/j.jhazmat.2022.130520] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/18/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Compounds containing antimony (Sb) are broadly used as starting materials for a wide range of industrial products, leading to serious water pollution associated with Sb rock mining as well as Sb leaching. Herein, we proposed an innovative design of an electrified membrane consisted of bimetallic palladium and iron nanoparticles (Pd-Fe NPs) supported on conductive carbon nanotube (CNT) networks. The nanohybrid filter enabled effective generation and retainment of atomic hydrogen (H*) under an electric field, which further contributed to the complete electroreduction of antimonite (Sb(III)). The highest atomic H* yield and Sb(III) removal kinetics were identified once a potential of -1.0 V vs. Ag/AgCl was exerted. Compared to the pristine CNT, Pd-CNT and Fe-CNT filters, the reaction rate constant of the Pd/Fe-CNT filter was increased 5.15-, 2.39-, and 1.76-fold, respectively for electrochemical removal of Sb(III). The results denoted that the superior performance of the Pd/Fe-CNT nanohybrid filter originated from: (1) the flow-through design, which enhanced mass transport, (2) the bimetallic design, which increased the catalytic activity, and (3) the collective contribution from atomic H*-mediated indirect reduction and direct electron transfer reduction mechanisms. The robust system performance occurred over a broad range of pH values, a variety of water matrices and can withstand several cycles of experiments. Our findings highlight an effective electro-filtration strategy to induce atomic H*-mediated electrochemical removal and recovery of Sb from water.
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Affiliation(s)
- Yifan Ren
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Wentian Zheng
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China
| | - Shuo Li
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China.
| | - Yanbiao Liu
- College of Environmental Science and Engineering, Donghua University, 2999 North Renmin Road, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, 1239 Siping Road, Shanghai 200092, China.
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18
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Bai J, Lu D, Chen L, Liu W, Zheng Y, Xiang G, Meng G, Lin Z, Duan R. Ecotoxicological Differences of Antimony (III) and Antimony (V) on Earthworms Eisenia fetida (Savingy). TOXICS 2023; 11:230. [PMID: 36976994 PMCID: PMC10056663 DOI: 10.3390/toxics11030230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
In this study, we assessed the acute and chronic toxic effects of Sb (III) and Sb (V) on Eisenia fetida (Savingy) (E. fetida) by applying the filter paper contact method, aged soil treatment, and avoidance test experiment. In the acute filter paper contact test, the LC50 values for Sb (III) were 2581 mg/L (24 h), 1427 mg/L (48 h), and 666 mg/L (72 h), which were lower than Sb (V). In the chronic aged soil exposure experiment, when the Sb (III)-contaminated soil was aged 10 d, 30 d, and 60 d after exposure for 7 d, the LC50 value of E. fetida was 370, 613, and >4800 mg/kg, respectively. Compared to Sb (V) spiked soils aged only for 10 d, the concentrations causing 50% mortality significantly increased by 7.17-fold after 14 days of exposure in soil aged for 60 d. The results show that Sb (III) and Sb (V) could cause death and directly affect the avoidance behavior of E. fetida; yet, the toxicity of Sb (III) was higher than that of Sb (V). Consistent with the decrease in water-soluble Sb, the toxicity of Sb to E. fetida was greatly reduced with time. Therefore, in order to avoid overestimating the ecological risk of Sb with varying oxidative states, it is important to consider the forms and bioavailability of Sb. This study accumulated and supplemented the toxicity data, and provided a more comprehensive basis for the ecological risk assessment of Sb.
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Affiliation(s)
- Jing Bai
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
- Hunan Key Laboratory of Ecological Remediation of Antimony Mine, Loudi 417000, China
| | - Dan Lu
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Linyu Chen
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Weiying Liu
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
| | - Yu Zheng
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
- Hunan Key Laboratory of Ecological Remediation of Antimony Mine, Loudi 417000, China
| | - Guohong Xiang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
- Hunan Key Laboratory of Ecological Remediation of Antimony Mine, Loudi 417000, China
| | - Guiyuan Meng
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
- Hunan Key Laboratory of Ecological Remediation of Antimony Mine, Loudi 417000, China
| | - Zhong Lin
- College of Chemistry and Environmental Sciences, Guangdong Ocean University, Zhanjiang 524088, China
| | - Renyan Duan
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, China
- Hunan Key Laboratory of Ecological Remediation of Antimony Mine, Loudi 417000, China
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19
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Pleijel H, Klingberg J, Strandberg B, Sjöman H, Wallin G. Accumulation of antimony and lead in leaves and needles of trees: The role of traffic emissions. Heliyon 2023; 9:e13548. [PMID: 36846706 PMCID: PMC9947302 DOI: 10.1016/j.heliyon.2023.e13548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
Antimony (Sb) is a toxic metalloid, which has been increasingly used in the brake lining of vehicles, and increased concentrations have been found in soils near abundant traffic. However, since very few investigations of Sb accumulation in urban vegetation have been undertaken there exists a knowledge gap. We studied the concentrations of Sb in leaves and needles of trees in the Gothenburg City area, Sweden. In addition, lead (Pb), also associated with traffic, was investigated. Sb and Pb concentrations of Quercus palustris leaves at seven sites with contrasting traffic intensity varied substantially, correlated with the traffic-related PAH (polycyclic aromatic hydrocarbon) air pollution at the sites and increased during the growing season. Sb but not Pb concentrations were significantly higher in needles of Picea abies and Pinus sylvestris near major roads compared to sites at larger distances. In Pinus nigra needles at two urban streets both Sb and Pb were higher compared to an urban nature park environment, emphasising the role of traffic emissions for these elements. A continued accumulation of Sb and Pb in three years old needles of Pinus nigra, two years old needles of Pinus sylvestris and eleven years old needles of Picea abies was observed. Our data suggest a pronounced link between traffic pollution and Sb accumulation in leaves and needles, where the particles carrying Sb seem not to be transported very far from the source. We also conclude that there exists a strong potential for Sb and Pb bioaccumulation over time in leaves and needles. Implications of these findings are that increased concentrations of toxic Sb and Pb are likely to prevail in environments with high traffic intensity and that Sb can enter the ecological food chain by accumulation in leaves and needles, which is important for the biogeochemical cycling.
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Affiliation(s)
- Håkan Pleijel
- University of Gothenburg, Biological and Environmental Sciences, P.O. Box 461, SE-40530, Gothenburg, Sweden,Corresponding author.
| | - Jenny Klingberg
- Gothenburg Botanical Garden, Carl Skottsbergs gata 22A, SE-41319, Gothenburg, Sweden,Gothenburg Global Biodiversity Centre, Carl Skottsbergs gata 22B, SE-41319, Gothenburg, Sweden
| | - Bo Strandberg
- Lund University, Division of Occupational and Environmental Medicine, SE-22100, Lund, Sweden,Department of Occupational and Environmental Medicine, Region Skåne, SE-22381 Lund, Sweden
| | - Henrik Sjöman
- Gothenburg Botanical Garden, Carl Skottsbergs gata 22A, SE-41319, Gothenburg, Sweden,Gothenburg Global Biodiversity Centre, Carl Skottsbergs gata 22B, SE-41319, Gothenburg, Sweden,Swedish University of Agricultural Science, Department of Landscape Architecture, Planning and Management, 23053 Alnarp, Sweden
| | - Göran Wallin
- University of Gothenburg, Biological and Environmental Sciences, P.O. Box 461, SE-40530, Gothenburg, Sweden,Environmental Change Institute, School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, OX1 3QY, United Kingdom
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20
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Zhao S, Shi T, Terada A, Riya S. Evaluation of Pollution Level, Spatial Distribution, and Ecological Effects of Antimony in Soils of Mining Areas: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:242. [PMID: 36612564 PMCID: PMC9819699 DOI: 10.3390/ijerph20010242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
The first global-scale assessment of Sb contamination in soil that was related to mining/smelting activities was conducted based on 91 articles that were published between 1989 and 2021. The geographical variation, the pollution level, the speciation, the influencing factors, and the environmental effects of Sb that were associated with mining/smelting-affected soils were analyzed. The high Sb values mainly occurred in developed (Poland, Italy, Spain, Portugal, New Zealand, Australia) and developing (China, Algeria, Slovakia) countries. Sb concentrations of polluted soil from mining areas that were reported in most countries significantly exceeded the maximum permissible limit that is recommended by WHO, except in Turkey and Macedonia. The soil Sb concentrations decreased in the order of Oceania (29,151 mg/kg) > North Africa (13,022 mg/kg) > Asia (1527 mg/kg) > Europe (858 mg/kg) > South America (37.4 mg/kg). The existing extraction methods for Sb speciation have been classified according to the extractant, however, further research is needed in the standardization of these extraction methods. Modern analytical and characterization technologies, e.g., X-ray absorption spectroscopy, are effective at characterizing chemical speciation. Conditional inference tree (CIT) analysis has shown that the clay content was the major factor that influenced the soil Sb concentration. Non-carcinogenic risks to the public from soil Sb pollution were within the acceptable levels in most regions. An Sb smelter site at the Endeavour Inlet in New Zealand, an abandoned open-pit Sb mine in Djebel Hamimat, Algeria, an old Sb-mining area in Tuscany, Italy, and Hillgrove mine in Australia were selected as the priority control areas. Cynodon dactylon, Boehmeria, Pteris vittata, and Amaranthus paniculatus were found to be potential Sb accumulators. All of the values of bioaccumulation factors for the crops were less than one. However, ingestion of Sb through crop consumption posed potential non-carcinogenic health risks, which should not be neglected. The soil variables (pH, Eh, total sulfur, carbon nitrogen ratio, total organic carbon, and sulfate), the total Sb and the bioavailable Sb, and heavy metal(loid)s (As, Pb, and Fe) were the major parameters affecting the microbial community compositions.
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Affiliation(s)
- Shuting Zhao
- Department of Chemical Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan
| | - Taoran Shi
- School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Akihiko Terada
- Department of Chemical Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan
| | - Shohei Riya
- Department of Chemical Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan
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Cui H, Wen J, Yang L, Wang Q. Spatial distribution of heavy metals in rice grains and human health risk assessment in Hunan Province, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:83126-83137. [PMID: 35759098 DOI: 10.1007/s11356-022-21636-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
Rice is the main food in China, and its pollution by heavy metals has attracted widespread attention. In this study, rice grain samples were collected from 14 prefecture-level cities in Hunan Province, China. The contents of 9 heavy metals (i.e., As, Cr, Co, Ni, Cu, Zn, Cd, Pb, and Sb) were measured using graphite digestion-inductively coupled plasma mass spectrometry (ICP-MS). Pearson correlation analysis and principal component analysis were performed to evaluate the correlation among these heavy metals. In addition, ordinary kriging interpolation were applied to investigate the spatial distribution pattern of the heavy metals. Results showed that the average concentrations of these heavy metals were 0.48 (As), 1.28 (Cr), 0.03 (Co), 0.84 (Ni), 2.39 (Cu), 15.73 (Zn), 0.28 (Cd), 0.66 (Pb), and 0.0043 (Sb) mg/kg, respectively. The single-factor pollution index (SFPI) contamination assessment showed that As, Pb, Cr, Ni, and Cd accumulated significantly in the rice grain, with over-standard rates of 100%, 100%, 64.70%, 47.05%, and 44.12%, respectively. The Sb concentrations at the sampling sites were low, and there was no obvious pollution. Health risk assessment showed that the target hazard quotient followed the order of As> Cr> Cd> Pb> 1.0> Co> Cu> Zn> Ni> Sb, and the carcinogenic risk value was in the order of Cd> Ni> As> Cr> 1.0×10-4> Pb. In particular, quick actions should be taken to regulate As, Cr, and Cd contents in rice because they posed greater non-carcinogenic and carcinogenic health risks than the others to the local residents.
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Affiliation(s)
- Hongsheng Cui
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China
| | - Jia Wen
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China.
| | - Lisha Yang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China
| | - Qi Wang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, People's Republic of China
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Tang H, Meng G, Xiang J, Mahmood A, Xiang G, SanaUllah, Liu Y, Huang G. Toxic effects of antimony in plants: Reasons and remediation possibilities-A review and future prospects. FRONTIERS IN PLANT SCIENCE 2022; 13:1011945. [PMID: 36388491 PMCID: PMC9643749 DOI: 10.3389/fpls.2022.1011945] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 09/07/2022] [Indexed: 09/06/2023]
Abstract
Antimony (Sb) is a dangerous heavy metal (HM) that poses a serious threat to the health of plants, animals, and humans. Leaching from mining wastes and weathering of sulfide ores are the major ways of introducing Sb into our soils and aquatic environments. Crops grown on Sb-contaminated soils are a major reason of Sb entry into humans by eating Sb-contaminated foods. Sb toxicity in plants reduces seed germination and root and shoot growth, and causes substantial reduction in plant growth and final productions. Moreover, Sb also induces chlorosis, causes damage to the photosynthetic apparatus, reduces membrane stability and nutrient uptake, and increases oxidative stress by increasing reactive oxygen species, thereby reducing plant growth and development. The threats induced by Sb toxicity and Sb concentration in soils are increasing day by day, which would be a major risk to crop production and human health. Additionally, the lack of appropriate measures regarding the remediation of Sb-contaminated soils will further intensify the current situation. Therefore, future research must be aimed at devising appropriate measures to mitigate the hazardous impacts of Sb toxicity on plants, humans, and the environment and to prevent the entry of Sb into our ecosystem. We have also described the various strategies to remediate Sb-contaminated soils to prevent its entry into the human food chain. Additionally, we also identified the various research gaps that must be addressed in future research programs. We believe that this review will help readers to develop the appropriate measures to minimize the toxic effects of Sb and its entry into our ecosystem. This will ensure the proper food production on Sb-contaminated soils.
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Affiliation(s)
- Haiying Tang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Guiyuan Meng
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Junqing Xiang
- Loudi Liancheng Hi-Tech Agricultural Development Co. LTD, Loudi, China
| | - Athar Mahmood
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Guohong Xiang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, China
| | - SanaUllah
- Agronomic Research Station Karor, Layyah, Pakistan
| | - Ying Liu
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi, China
| | - Guoqin Huang
- Key Laboratory of Crop Physiology, Ecology and Genetics Breeding (Jiangxi Agricultural University), Ministry of Education, Nanchang, China
- Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang, China
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23
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Zhu Y, Li Z, Shen J, Wu K, Zhao P, Wu Z, Liu Z, Yang J, Liu H, Rensing C, Feng R. Toxicity of different forms of antimony to rice plants: Photosynthetic electron transfer, gas exchange, photosynthetic efficiency, and carbon assimilation combined with metabolome analysis. JOURNAL OF HAZARDOUS MATERIALS 2022; 437:129433. [PMID: 35897190 DOI: 10.1016/j.jhazmat.2022.129433] [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: 02/18/2022] [Revised: 06/08/2022] [Accepted: 06/18/2022] [Indexed: 06/15/2023]
Abstract
Antimony (Sb) is a toxic metalloid, and excess Sb causes damage to the plant photosynthetic system. However, the underlying mechanisms of Sb toxicity in the plant photosynthetic system are not clear. Hydroponic culture experiments were conducted to illustrate the toxicity differences of antimonite [Sb(III)] and antimonate [Sb(V)] to the photosynthetic system in a rice plant (Yangdao No. 6). The results showed that Sb(III) showed a higher toxicity than Sb(V), judging from (1) lower shoot and root biomass, leaf water moisture content, water use efficiency, stomatal conductance, net photosynthetic rate, and transpiration rate; (2) higher water vapor deficit, soluble sugar content, starch content, and oligosaccharide content (sucrose, stachyose, and 1-kestose). To further analyze the direction of the photosynthetic products, we conducted a metabonomic analysis. More glycosyls were allocated to the synthesis pathways of oligosaccharides (sucrose, stachyose, and 1-kestose), anthocyanins, salicylic acid, flavones, flavonols, and lignin under Sb stress to quench excess oxygen free radicals (ROS), strengthen the cell wall structure, rebalance the cell membrane, and/or regulate cell permeability. This study provides a complete mechanism to elucidate the toxicity differences of Sb(III) and Sb(V) by exploring their effects on photosynthesis, saccharide synthesis, and the subsequent flow directions of glycosyls.
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Affiliation(s)
- YanMing Zhu
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - ZengFei Li
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - Jun Shen
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - KongYuan Wu
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - PingPing Zhao
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - ZiHan Wu
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - ZiQing Liu
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - JiGang Yang
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - Hong Liu
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China.
| | - Christopher Rensing
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China
| | - RenWei Feng
- Institute of Environmental Microbiology, College of Resources and Environment, Fujian Agriculture & Forestry University, Fuzhou 350002, China.
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24
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Zhou S, Du Y, Feng Y, Sun H, Xia W, Yuan H. Stabilization of arsenic and antimony Co-contaminated soil with an iron-based stabilizer: Assessment of strength, leaching and hydraulic properties and immobilization mechanisms. CHEMOSPHERE 2022; 301:134644. [PMID: 35452641 DOI: 10.1016/j.chemosphere.2022.134644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/07/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Soils with relatively high concentrations of arsenic (As) and antimony (Sb) in mining areas would impose significant risks to human health and ecosystem. A new stabilizer PFSC composed of polymerized ferric sulfate (PFS) and calcium hydroxide (Ca(OH)2) is proposed to stabilize the soil with co-existed As and Sb sampled at an abandoned arsenic factory site. The effects of stabilizer dosage on the properties of the stabilized soil including leached concentrations of As and Sb, unconfined compressive strength (UCS), and hydraulic conductivity (kw) were investigated. The mechanisms of As and Sb immobilization in the soils were interpreted by Tessier's sequential extraction procedure (SEP), scanning electron microscope (SEM), and X-ray diffraction (XRD) results. The results showed increasing PFSC dosage was effective for reducing leached concentrations of As and Sb. When the PFSC dosage increased from 2% to 10%, the UCS and kw increased from 84 to 206 kPa and decreased from 6.48 × 10-8 to 6.33 × 10-9 m s-1, respectively. Tessier's SEP results showed that the leachable As and Sb fractions decreased from 12% to 5.6% and 7.5% to 3.8%, while the Fe-Mn oxides bound fractions increased from 22.3% to 29.4% and 13.2% to 19.5%. The SEM images and XRD patterns of untreated and PFSC stabilized contaminated soils indicated that hematite and calcite (CaCO3) were the main products of PFSC stabilization processes. Adsorption on ferrihydrite, entrapment in hematite lattices, and co-precipitate with calcite might were the main mechanisms of As and Sb immobilization.
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Affiliation(s)
- Shiji Zhou
- Jiangsu Key Laboratory of Urban Underground Engineering & Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China; Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 211189, China.
| | - Yanjun Du
- Jiangsu Key Laboratory of Urban Underground Engineering & Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China; Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 211189, China.
| | - Yasong Feng
- Jiangsu Key Laboratory of Urban Underground Engineering & Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China; Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 211189, China; Jiangsu Province Key Laboratory of Environmental Engineering, Jiangsu Provincial Academy of Environmental Science, Nanjing, 210036, China.
| | - Huiyan Sun
- Jiangsu Key Laboratory of Urban Underground Engineering & Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China; Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 211189, China.
| | - Weiyi Xia
- Jiangsu Environmental Engineering Technology Co., Ltd., Jiangsu Environmental Protection Group Co., Ltd., Nanjing, 210019, China.
| | - Hang Yuan
- Jiangsu Key Laboratory of Urban Underground Engineering & Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 210096, China; Jiangsu Key Laboratory of Urban Underground Engineering and Environmental Safety, Institute of Geotechnical Engineering, Southeast University, Nanjing, 211189, China.
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25
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Crosstalk and gene expression in microorganisms under metals stress. Arch Microbiol 2022; 204:410. [PMID: 35729415 DOI: 10.1007/s00203-022-02978-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 05/04/2022] [Accepted: 05/11/2022] [Indexed: 11/02/2022]
Abstract
Contamination of the environment with heavy metals (HMs) has led to huge global environmental issues. Industrialization activities such as mining, manufacturing, and construction generate massive amounts of toxic waste, posing environmental risks. HMs soil pollution causes a variety of environmental issues and has a detrimental effect on both animals and plants. To remove HMs from the soil, traditional physico-chemical techniques such as immobilization, electro-remediation, stabilization, and chemical reduction are used. Moreover, the high energy, trained manpower, and hazardous chemicals required by these methods make them expensive and non-environmentally friendly. Bioremediation process, which involves microorganism-based and microorganism-associated-plant-based approaches, is an ecologically sound and cost-effective strategy for restoring HMs polluted soil. Microbes adjust their physiology to these conditions to live, which can involve significant variations in the expression of the genes. A set of genes are activated in response to toxic metals in microbes. They can also adapt by modifying their shape, fruiting bodies creating biofilms, filaments, or chemotactically migrating away from stress chemicals. Microbes including Bacillus sp., Pseudomonas sp., and Aspergillus sp. has been found to have high metals remediation and tolerance capacity of up to 98% whether isolated or in combination with plants like Helianthus annuus, Trifolium repens, and Vallisneria denseserrulata. Several of the regulatory systems that have been discovered are unique, but there is also a lot of "cross-talk" among networks. This review discusses the current state of knowledge regarding the microbial signaling responses, and the function of microbes in HMs stress resistance.
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26
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Shtangeeva I. Accumulation of scandium, cerium, europium, hafnium, and tantalum in oats and barley grown in soils that differ in their characteristics and level of contamination. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:40839-40853. [PMID: 35083671 DOI: 10.1007/s11356-021-18247-y] [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: 02/15/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Up to now, information about biogeochemistry of many trace elements is scarce. Meanwhile, all the elements are always present in soil and plants. It may be suggested that the trace elements also play certain role in the biogeochemical processes. The aim of the research was to study bioaccumulation of poorly investigated trace elements (scandium, cerium, europium, hafnium, and tantalum) and well-known elements (chromium, iron, cobalt, zinc, and arsenic) in two crops, oats and barley, and examine how these elements interact with each other as they absorbed by plants. The plants were grown in the soils that differed in their parameters and in level of contamination. Although oats and barley are botanically similar and were grown under the same conditions, the plants differed in the ability to accumulate many elements. The uptake of the elements by the plants also depended on type of soil. For example, concentrations of Cr, Fe, Co, As, Sc, Ce, Eu, Hf, and Ta in roots of the oats grown in slightly contaminated soil were much higher as compared to the concentrations of the elements in roots of the barley grown in the same soil. In leaves of the oats grown in moderately contaminated soil, the concentrations of Cr, As, Ce, Eu, and Ta were statistically significantly higher than those in leaves of the barley grown in the soil. In soils and in plants, relationships between elements were both similar and different. A statistically significant correlation was found between the poorly investigated trace elements and well-studied elements.
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Affiliation(s)
- Irina Shtangeeva
- Institute of Earth Sciences, St. Petersburg State University, St. Petersburg, Russia.
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Wang Q, Wang B, Ma Y, Zhang X, Lyu W, Chen M. Stabilization of heavy metals in biochar derived from plants in antimony mining area and its environmental implications. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 300:118902. [PMID: 35104556 DOI: 10.1016/j.envpol.2022.118902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 01/06/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Heavy metals pollution in mining soils seriously threatens the ecological environment and human health worldwide. Phytoremediation is considered to be an ideal method to reduce the toxicity, mobility, and bioavailability of heavy metals in the soils. However, the disposal of plant-enriched heavy metals has become a thorny problem. To estimate the effect of pyrolysis on the stabilization of heavy metals in post-phytoremediation plant residues, different biochars were prepared from Conyza canadensis (CC), Gahnia tristis (GT), and Betula luminifera (BL) at different pyrolysis temperatures (300, 450, and 600 °C). Results indicated that pyrolysis was effective in the stabilization of heavy metals (Cr, Ni, As, Sb, Hg, and Pb) in plants and significantly (P < 0.05) decreased the bioavailability of most heavy metals. Among them, GT600 prepared by pyrolysis of GT at 600 °C has the best stabilization effect on Sb, which increases the residual fraction by 7.32 times, up to 82.05%. The results of environmental risk assessment show that pyrolysis of biomass at high temperature (600 °C) can effectively mitigate the environmental impact of As, Sb, and Hg. Additionally, the reutilization potential of biochar produced by post-phytoremediation plant residues as adsorbents was investigated. The results of adsorption experiments revealed that all biochars have an excellent performance to adsorb Pb(II), and the maximum adsorption capacity is 139.16 mg g-1 for CC450. The adsorption mechanism could be attributed to complexation, electrostatic attraction, and cation exchange. This study demonstrates that pyrolysis is an effective and environment-friendly alternative method to stabilize heavy metals in plants, and their pyrolysis products can be reused for heavy metal adsorption.
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Affiliation(s)
- Qian Wang
- Guizhou Provincial Key Laboratory of Geographic State Monitoring of Watershed, Guizhou Education University, Guiyang, 550018, China; School of Geography and Resources, Guizhou Education University, Guiyang, 550018, China
| | - Bing Wang
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China; Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guiyang, 550025, Guizhou, China.
| | - Yuena Ma
- Pu'er Research Institute of Eco-environmental Sciences, Pu'er, 665000, China
| | - Xueyang Zhang
- School of Environmental Engineering, Jiangsu Key Laboratory of Industrial Pollution Control and Resource Reuse, Xuzhou University of Technology, Xuzhou, 221018, China
| | - Wenqiang Lyu
- Guizhou Provincial Key Laboratory of Geographic State Monitoring of Watershed, Guizhou Education University, Guiyang, 550018, China; School of Geography and Resources, Guizhou Education University, Guiyang, 550018, China
| | - Miao Chen
- College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, Guizhou, China
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28
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Wang W, Wang H, Cheng X, Wu M, Song Y, Liu X, Loni PC, Tuovinen OH. Different responses of bacteria and fungi to environmental variables and corresponding community assembly in Sb-contaminated soil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 298:118812. [PMID: 35031403 DOI: 10.1016/j.envpol.2022.118812] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 11/20/2021] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
Bacterial communities in antimony (Sb) polluted soils have been well addressed, whereas the important players fungal communities are far less studied to date. Here, we report different responses of bacterial and fungal communities to Sb contamination and the ecological processes controlling their community assembly. Soil samples in the Xikuangshan mining area were collected and subjected to high through-put sequencing of 16S rRNA and ITS1 to investigate bacterial and fungal communities, respectively, along an Sb gradient. Sb speciation in the soil samples and other physicochemical parameters were analyzed as well. Bacterial communities were dominated by Deltaproteobacteria in the soil with highest Sb concentration, whereas Chloroflexi were dominant in the soil with lowest Sb concentration. Fungal communities in high-Sb soils were predominated by unclassified Fungi, whilst Leotiomycetes were dominant in low-Sb soil samples. Multivariate analysis indicated that Sb, pH and soil texture were the main drivers to strongly impact microbial communities. We further identified Sb-resistant microbial groups via correlation analysis. In total, 18 bacterial amplicon sequence variants (ASVs) were found to potentially involve in biogeochemical cycles such as Sb oxidation, sulfur oxidation or nitrate reduction, whereas 12 fungal ASVs were singled out for potential heavy metal resistance and plant growth promotion. Community assembly analysis revealed that variable selection contributed 100% to bacterial community assembly under acidic or high Sb concentration conditions, whereas homogeneous selection dominated fungal community assembly with a contribution over 78.9%. The community assembly of Sb-resistant microorganisms was mainly controlled by stochastic process. The results offer new insights into microbial ecology in Sb-contaminated soils, especially on the different responses of microbial communities under identical environmental stress and the different ecological processes underlining bacterial and fungal community assembly.
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Affiliation(s)
- Weiqi Wang
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Hongmei Wang
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China.
| | - Xiaoyu Cheng
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Mengxiaojun Wu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Yuyang Song
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Xiaoyan Liu
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Prakash C Loni
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Olli H Tuovinen
- Department of Microbiology, Ohio State University, Columbus, OH, 43210, USA
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Chang C, Li F, Wang Q, Hu M, Du Y, Zhang X, Zhang X, Chen C, Yu HY. Bioavailability of antimony and arsenic in a flowering cabbage-soil system: Controlling factors and interactive effect. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152920. [PMID: 35007579 DOI: 10.1016/j.scitotenv.2022.152920] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 12/31/2021] [Accepted: 01/01/2022] [Indexed: 06/14/2023]
Abstract
Soil contamination with antimony (Sb) and arsenic (As) has become a well-recognized environmental and human health issue. Consumption of vegetables, especially leafy vegetables, is one of the most important sources of Sb and As exposure in humans. Accordingly, it is necessary to understand the behaviors of Sb and As in the vegetable-soil system. Moreover, although Sb and As are often assumed to have similar biogeochemical behavior, identified differences in the controlling factors affecting mobility and bioavailability of Sb and As in soils need further investigation. In this study, 112 pairs of soil and flowering cabbage samples were collected from typical farmland protection areas and vegetable-producing regions across the Pearl River Delta (PRD), South China. The contamination levels of Sb and As in soils and harvested cabbages across the PRD were investigated. The main factors affecting the mobility and bioavailability of Sb and As in the cabbage-soil system were disentangled using a random forest model. The contamination levels of Sb in the cabbages and soils of the PRD were generally low, but the soils were moderately polluted by As. Increased concentrations of Fe oxides could decrease Sb accumulation in cabbages but increased the mobilization of As in soils to some extent. In contrast, Al oxides contributed strongly to the mobilization of Sb and the immobilization of As. Moreover, an increased sand content promoted the mobility of Sb and As, whereas increased silt and clay contents showed inhibitory effects. The interactions of As and Sb with Fe oxides decreased the mobility of Sb but moderately increased the mobility of As in soils. Overall, the behaviors of Sb and As in the cabbage-soil system under the effect of several important environmental factors showed some differences indicating that these differences should be considered in the remediation of co-contaminated soils.
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Affiliation(s)
- Chunying Chang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China; Guangdong Key Laboratory of Contaminated Sited Environmental Management and Remediation, Guangdong Provincial Academy of Environmental Science, Guangzhou 510045, China
| | - Fangbai Li
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Qi Wang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Min Hu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Yanhong Du
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Xiaoqing Zhang
- School of Resource and Environmental Engineering, Wuhan University of Science and Technology, 947 Heping Road, Wuhan, Hubei Province 430081, China
| | - Xiaolu Zhang
- Guangdong Key Laboratory of Contaminated Sited Environmental Management and Remediation, Guangdong Provincial Academy of Environmental Science, Guangzhou 510045, China
| | - Chunyi Chen
- Monitoring Center of Eco-Environment of Guangdong Province, China
| | - Huan-Yun Yu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.
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Jia X, Ma L, Liu J, Liu P, Yu L, Zhou J, Li W, Zhou W, Dong Z. Reduction of antimony mobility from Sb-rich smelting slag by Shewanella oneidensis: Integrated biosorption and precipitation. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:127385. [PMID: 34929592 DOI: 10.1016/j.jhazmat.2021.127385] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/14/2021] [Accepted: 09/27/2021] [Indexed: 06/14/2023]
Abstract
The dissimilatory Fe(III)-reducing bacteria play a significant role in the mobility of antimony (Sb) under reducing environment. Sb-rich smelting slag is iron (Fe)-containing antimonic mine waste, which is one of the main sources of antimony pollution. In this study, the soluble antimony reacted with Fe(III) by S. oneidensis (Shewanella oneidensis strain MR-1) was performed in reduction condition, then the dissolution behavior of the Sb-rich smelting slag with S. oneidensis was investigated. The results showed that the released Sb was immobilized by S. oneidensis and the strain adsorbed Sb(III) preferentially. Sb(V) can be reduced by S. oneidensis without aqueous Fe. In the presence of Fe(III), S. oneidensis mediated Sb bio-adsorption and the chemical redox of Sb-Fe occurred simultaneously. Sb was co-precipitated with Fe to form the Sb(V)-O-Fe(III) secondary mineral, which was identified as the bidentate mononuclear edge-sharing structure by extended X-ray absorption fine structure (EXAFS) analysis. These results suggest that S. oneidensis has a positive effect on the immobilization and minimizing toxicity of antimony in anoxic soil and groundwater, which provides a theoretical basis for the treatment of antimony contamination.
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Affiliation(s)
- Xiaocen Jia
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
| | - Liyuan Ma
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
| | - Jing Liu
- College of Resources and Environment, Southwest University, Chongqing 400715, China
| | - Peng Liu
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
| | - Lu Yu
- Qiaokou Branch of Wuhan Ecological Environment Bureau, Wuhan 430000, China
| | - Jianwei Zhou
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China; Hubei Key Laboratory of Yangtze Catchment Environmental Aquatic Science, Wuhan 430000, China.
| | - Wanyu Li
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
| | - Weiqing Zhou
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
| | - Zichao Dong
- School of Environmental Studies, China University of Geosciences, Wuhan 430078, China
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31
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Xia B, Yang Y, Li F, Liu T. Kinetics of antimony biogeochemical processes under pre-definite anaerobic and aerobic conditions in a paddy soil. J Environ Sci (China) 2022; 113:269-280. [PMID: 34963536 DOI: 10.1016/j.jes.2021.06.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 06/04/2021] [Accepted: 06/06/2021] [Indexed: 06/14/2023]
Abstract
While the transformation of antimony (Sb) in paddy soil has been previously investigated, the biogeochemical processes of highly chemical active Sb in the soil remain poorly understood. In addition, there is a lack of quantitative understanding of Sb transformation in soil. Therefore, in this study, the kinetics of exogenous Sb in paddy soils were investigated under anaerobic and aerobic incubation conditions. The dissolved Sb(V) and the Sb(V) extracted by diffusive gradient technique decreased under anaerobic conditions and then increased under aerobic conditions. The redox reaction of Sb occurred, and Sb bioavailability significantly decreased after 55 days of incubation. The kinetics of Fe and the scanning transmission electron microscopy analysis revealed that the Fe oxides were reduced and became dispersed under anaerobic conditions, whereas they were oxidized and re-aggregated during the aerobic stage. In addition, the redox processes of sulfur and nitrogen were detected under both anaerobic and aerobic conditions. Based on these observations, a simplified kinetic model was established to distinguish the relative contributions of the transformation processes. The bioavailability of Sb was controlled by immobilization as a result of S reduction and by mobilization as a result of Fe reductive dissolution and S oxidation, rather than the pH. These processes coupled with the redox reaction of Sb jointly resulted in the complex behavior of Sb transformation under anaerobic and aerobic conditions. The model-based method and findings of this study provide a comprehensive understanding of the Sb transformation in a complex soil biogeochemical system under changing redox conditions.
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Affiliation(s)
- Bingqing Xia
- Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yang Yang
- Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fangbai Li
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Tongxu Liu
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.
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32
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Louzon M, Pauget B, Gimbert F, Morin-Crini N, Wong JWY, Zaldibar B, Natal-da-Luz T, Neuwirthova N, Thiemann C, Sarrazin B, Irazola M, Amiot C, Rieffel D, Sousa JP, Chalot M, de Vaufleury A. In situ and ex situ bioassays with Cantareus aspersus for environmental risk assessment of metal(loid) and PAH-contaminated soils. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2022; 18:539-554. [PMID: 34138503 DOI: 10.1002/ieam.4480] [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: 01/11/2021] [Revised: 03/03/2021] [Accepted: 06/10/2021] [Indexed: 06/12/2023]
Abstract
Environmental risk assessment of contaminated soils requires bioindicators that allow the assessment of bioavailability and toxicity of chemicals. Although many bioassays can determine the ecotoxicity of soil samples in the laboratory, few are available and standardized for on-site application. Bioassays based on specific threshold values that assess the in situ and ex situ bioavailability and risk of metal(loid)s and polycyclic aromatic hydrocarbons (PAHs) in soils to the land snail Cantareus aspersus have never been simultaneously applied to the same soils. The aims of this study were to compare the results provided by in situ and ex situ bioassays and to determine their respective importance for environmental risk assessment. The feasibility and reproducibility of the in situ bioassay were assessed using an international ring test. This study used five plots located at a former industrial site and six laboratories participated in the ring test. The results revealed the impact of environmental parameters on the bioavailability of metal(loid)s and PAHs to snails exposed in the field to structured soils and vegetation compared to those exposed under laboratory conditions to soil collected from the same field site (excavated soils). The risk coefficients were generally higher ex situ than in situ, with some exceptions (mainly due to Cd and Mo), which might be explained by the in situ contribution of plants and humus layer as sources of exposure of snails to contaminants and by climatic parameters. The ring test showed good agreement among laboratories, which determined the same levels of risk in most of the plots. Comparison of the bioavailability to land snails and the subsequent risk estimated in situ or ex situ highlighted the complementarity between both approaches in the environmental risk assessment of contaminated soils, namely, to guide decisions on the fate and future use of the sites (e.g., excavation, embankments, and land restoration). Integr Environ Assess Manag 2022;18:539-554. © 2021 SETAC.
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Affiliation(s)
- Maxime Louzon
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
| | | | - Frédéric Gimbert
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
| | - Nadia Morin-Crini
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
| | - Janine W Y Wong
- Swiss Centre for Applied Ecotoxicology, EPFL ENAC IIE-GE, Lausanne, Switzerland
| | - Beñat Zaldibar
- Research Centre for Experimental Marine Biology & Biotechnology, Plentzia Marine Station University of the Basque Country (PiE-UPV/EHU), Plentzia-Bizkaia, Basque Country, Spain
- CBET Research Group, Department of Zoology and Animal Cell Biology, University of the Basque Country (UPV/EHU), Leioa-Bizkaia, Basque Country, Spain
| | - Tiago Natal-da-Luz
- Department of Life Sciences, Centre for Functional Ecology, Science for People & The Planet, University of Coimbra, Coimbra, Portugal
| | | | - Christina Thiemann
- Swiss Centre for Applied Ecotoxicology, EPFL ENAC IIE-GE, Lausanne, Switzerland
| | - Bernard Sarrazin
- INSAVALOR, Campus LyonTech La Doua, Centre d'Entreprise et d'Innovation, CS 52132, Villeurbanne Cedex, France
| | - Mireia Irazola
- Research Centre for Experimental Marine Biology & Biotechnology, Plentzia Marine Station University of the Basque Country (PiE-UPV/EHU), Plentzia-Bizkaia, Basque Country, Spain
- Department of Analytical Chemistry, University of the Basque Country (UPV/EHU), Leioa-Bizkaia, Basque Country, Spain
| | - Caroline Amiot
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
| | - Dominique Rieffel
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
| | - José P Sousa
- Department of Life Sciences, Centre for Functional Ecology, Science for People & The Planet, University of Coimbra, Coimbra, Portugal
| | - Michel Chalot
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
- Faculté des Sciences et Technologies, Université de Lorraine, Vandoeuvre-les-Nancy, France
| | - Annette de Vaufleury
- Department Chrono-Environment, UMR CNRS 6249, University of Bourgogne Franche-Comté, Besançon Cedex, France
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Qin Z, Zhao S, Shi T, Zhang F, Pei Z, Wang Y, Liang Y. Accumulation, regional distribution, and environmental effects of Sb in the largest Hg-Sb mine area in Qinling Orogen, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 804:150218. [PMID: 34798744 DOI: 10.1016/j.scitotenv.2021.150218] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/20/2021] [Accepted: 09/04/2021] [Indexed: 06/13/2023]
Abstract
In this study, knowledge gaps on Sb concentration in rocks, ores, tailings, soil, river water, sediments, and crops of mine areas were identified and discussed in terms of contamination levels, spatial distribution, and environmental effects. Accordingly, Xunyang Hg-Sb mine, the largest Hg-Sb deposit in China as research region in this study, field sampling and laboratory analysis were conducted. The results showed elevated concentrations of Sb in the soil, sediment, and river water. The X-ray diffraction analysis indicated that the main minerals of the rocks were quartz, dolomite, calcite, and margarite. Based on the TESCAN integrated mineral analyzer analysis, the main ore minerals in the Gongguan mine were dolomite (93.97%), cinnabar (2.50%), stibnite (2.48%), calcite (0.38%), and quartz (0.38%). The μ-XRF analysis indicated that Sb distribution was similar to those of S and O, instead of those of Hg and As. The clear spatial variation of Sb concentration in environmental media, mines, tailings, and settling ponds affected Sb accumulation. Actinobacteriota, Proteobacteria, Acidobacteriota, and Chloroflexi were the dominant phyla in the soil. Patescibacteria, Proteobacteria, and Bdellovibrionota were negatively correlated with Sb in the soil (p < 0.05). Exposure to Sb through maize grain and cabbage consumption poses serious non-carcinogenic health risk for residents. This work provides a scientific basis for the environmental quality assessment of Sb mine areas and development of applicable guidelines.
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Affiliation(s)
- Zemin Qin
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China; China Energy Investment Group Xinshuo Railway Co., LTD, Ordos 017000, Inner Mongolia, China
| | - Shuting Zhao
- Department of Chemical Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan
| | - Taoran Shi
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Fengyang Zhang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China
| | - Ziru Pei
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China
| | - Yuheng Wang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China.
| | - Yanru Liang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710129, China
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Bolan N, Kumar M, Singh E, Kumar A, Singh L, Kumar S, Keerthanan S, Hoang SA, El-Naggar A, Vithanage M, Sarkar B, Wijesekara H, Diyabalanage S, Sooriyakumar P, Vinu A, Wang H, Kirkham MB, Shaheen SM, Rinklebe J, Siddique KHM. Antimony contamination and its risk management in complex environmental settings: A review. ENVIRONMENT INTERNATIONAL 2022; 158:106908. [PMID: 34619530 DOI: 10.1016/j.envint.2021.106908] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/03/2021] [Accepted: 09/27/2021] [Indexed: 06/13/2023]
Abstract
Antimony (Sb) is introduced into soils, sediments, and aquatic environments from various sources such as weathering of sulfide ores, leaching of mining wastes, and anthropogenic activities. High Sb concentrations are toxic to ecosystems and potentially to public health via the accumulation in food chain. Although Sb is poisonous and carcinogenic to humans, the exact mechanisms causing toxicity still remain unclear. Most studies concerning the remediation of soils and aquatic environments contaminated with Sb have evaluated various amendments that reduce Sb bioavailability and toxicity. However, there is no comprehensive review on the biogeochemistry and transformation of Sb related to its remediation. Therefore, the present review summarizes: (1) the sources of Sb and its geochemical distribution and speciation in soils and aquatic environments, (2) the biogeochemical processes that govern Sb mobilization, bioavailability, toxicity in soils and aquatic environments, and possible threats to human and ecosystem health, and (3) the approaches used to remediate Sb-contaminated soils and water and mitigate potential environmental and health risks. Knowledge gaps and future research needs also are discussed. The review presents up-to-date knowledge about the fate of Sb in soils and aquatic environments and contributes to an important insight into the environmental hazards of Sb. The findings from the review should help to develop innovative and appropriate technologies for controlling Sb bioavailability and toxicity and sustainably managing Sb-polluted soils and water, subsequently minimizing its environmental and human health risks.
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Affiliation(s)
- Nanthi Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia; Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment, The University of Newcastle Callaghan, NSW 2308, Australia.
| | - Manish Kumar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Ekta Singh
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Aman Kumar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Lal Singh
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Sunil Kumar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - S Keerthanan
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Son A Hoang
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment, The University of Newcastle Callaghan, NSW 2308, Australia
| | - Ali El-Naggar
- Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo 11241, Egypt
| | - Meththika Vithanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Binoy Sarkar
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya 70140, Sri Lanka
| | - Saranga Diyabalanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Prasanthi Sooriyakumar
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment, The University of Newcastle Callaghan, NSW 2308, Australia
| | - Ajayan Vinu
- Global Innovative Centre for Advanced Nanomaterials (GICAN), College of Engineering, Science and Environment, The University of Newcastle Callaghan, NSW 2308, Australia
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong 528000, People's Republic of China; Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, School of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou, Zhejiang 311300, People's Republic of China
| | - M B Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
| | - Sabry M Shaheen
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285, Germany; King Abdulaziz University, Faculty of Meteorology, Environment, and Arid Land Agriculture, Department of Arid Land Agriculture, Jeddah 21589, Saudi Arabia; University of Kafrelsheikh, Faculty of Agriculture, Department of Soil and Water Sciences, 33 516 Kafr El-Sheikh, Egypt
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, 98 Gunja-Dong, Seoul, Republic of Korea.
| | - Kadambot H M Siddique
- School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia
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Effect of Municipal Solid Waste Compost on Antimony Mobility, Phytotoxicity and Bioavailability in Polluted Soils. SOIL SYSTEMS 2021. [DOI: 10.3390/soilsystems5040060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The effect of a municipal solid waste compost (MSWC), added at 1 and 2% rates, on the mobility, phytotoxicity, and bioavailability of antimony (Sb) was investigated in two soils (SA: acidic soil; SB: alkaline soil), spiked with two Sb concentrations (100 and 1000 mg kg−1). The impact of MSWC on microbial activity and biochemical functioning within the Sb-polluted soils was also considered. MSWC addition reduced water-soluble Sb and favored an increase in residual Sb (e.g., by 1.45- and 1.14-fold in SA-100 and SA-1000 treated with 2% MSWC, respectively). Significant increases in dehydrogenase activity were recorded in both the amended soils, as well as a clear positive effect of MSWC on the metabolic activity and catabolic diversity of respective microbial communities. MSWC alleviated Sb phytotoxicity in triticale plants and decreased Sb uptake by roots. However, increased Sb translocation from roots to shoots was recorded in the amended soils, according to the compost rate. Overall, the results obtained indicated that MSWC, particularly at a 2% rate, can be used for the recovery of Sb-polluted soils. It also emerged that using MSWC in combination with triticale plants can be an option for the remediation of Sb-polluted soils, by means of assisted phytoextraction.
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Khan I, Awan SA, Rizwan M, Ali S, Zhang X, Huang L. Arsenic behavior in soil-plant system and its detoxification mechanisms in plants: A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117389. [PMID: 34058445 DOI: 10.1016/j.envpol.2021.117389] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/20/2021] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
Arsenic (As) is one of the most toxic and cancer-causing metals which is generally entered the food chain via intake of As contaminated water or food and harmed the life of living things especially human beings. Therefore, the reduction of As content in the food could be of great importance for healthy life. To reduce As contamination in the soil and food, the evaluation of plant-based As uptake and transportation mechanisms is critically needed. Different soil factors such as physical and chemical properties of soil, soil pH, As speciation, microbial abundance, soil phosphates, mineral nutrients, iron plaques and roots exudates effectively regulate the uptake and accumulation of As in different parts of plants. The detoxification mechanisms of As in plants depend upon aquaporins, membrane channels and different transporters that actively control the influx and efflux of As inside and outside of plant cells, respectively. The xylem loading is responsible for long-distance translocation of As and phloem loading involves in the partitioning of As into the grains. However, As detoxification mechanism based on the clear understandings of how As uptake, accumulations and translocation occur inside the plants and which factors participate to regulate these processes. Thus, in this review we emphasized the different soil factors and plant cell transporters that are critically responsible for As uptake, accumulation, translocation to different organs of plants to clearly understand the toxicity reasons in plants. This study could be helpful for further research to develop such strategies that may restrict As entry into plant cells and lead to high crop yield and safe food production.
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Affiliation(s)
- Imran Khan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Samrah Afzal Awan
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan
| | - Xinquan Zhang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China
| | - Linkai Huang
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, 611130, China.
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37
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Implications of Soil Potentially Toxic Elements Contamination, Distribution and Health Risk at Hunan’s Xikuangshan Mine. Processes (Basel) 2021. [DOI: 10.3390/pr9091532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
A field survey was conducted to determine the pollution grade, sources, potential ecological risk, and health risk of soil potentially toxic elements (PTEs) in Xikuangshan Mine (XKS), the largest antimony (Sb) deposit in the world. A total of 106 topsoil samples were collected from 6 sites in XKS to measure the concentrations of PTEs Cr, Zn, Cd, Pb, As, Hg, and Sb. The results show that the average concentrations of these elements at all six sites were generally greater than their corresponding background values in Hunan province, especially Sb, Hg, and As. Correlation and principal component analyses suggested that Cd, Zn, Pb, Hg, and Sb were primarily released from mining and other industrial and human activities, while Cr and As were mainly impacted by the parent material from pedogenesis. A risk index analysis showed that, overall, sites were at very high ecological risk, and Sb is the highest ecological risk factor, followed by Cd and Hg. According to health risk assessment, oral ingestion is the main non-carcinogenic and carcinogenic risk exposure route. The higher potentially non-carcinogenic and carcinogenic risks happen to the local children who live in the vicinity of mining area. It revealed that the mining and smelting processes of XKS have negatively influenced the local people, therefore, we should pay increasing attention to this practical issue and take effective measures to protect the ecology of XKS.
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Wu H, Wu Q, Zhang J, Gu Q, Guo W, Rong S, Zhang Y, Wei X, Wei L, Sun M, Li A, Jing X. Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites. Sci Rep 2021; 11:17113. [PMID: 34429442 PMCID: PMC8384885 DOI: 10.1038/s41598-021-95520-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 04/08/2021] [Indexed: 11/13/2022] Open
Abstract
The existence of toxic and carcinogenic pentavalent antimony in water is a great safety problem. In order to remove antimony(V) from water, the purpose of this study was to prepare a novel graphene nano iron zinc (rGO/NZV-FeZn) photocatalyst via hydrothermal method followed by ultrasonication. Herein, weakly magnetic nano-Fe–Zn materials (NZV-FeZn, GACSP/NZV-FeZn, and rGO/NZV-FeZn) capable of rapid and efficient Sb(V) adsorption from water were prepared and characterised. In particular, rGO/NZV-FeZn was shown to comprise franklinite, Fe0, and graphite. Adsorption data were fitted by a quasi-second-order kinetic equation and Langmuir model, revealing that among these materials, NZV-FeZn exhibited the best Sb removal performance (543.9 mgSb gNZV-FeZn−1, R2 = 0.951). In a practical decontamination test, Sb removal efficiency of 99.38% was obtained for a reaction column filled with 3.5 g of rGO/NZV-FeZn. Column regenerability was tested at an initial concentration of 0.8111 mgSb L−1, and the treated water obtained after five consecutive runs complied with the GB5749-2006 requirement for Sb. rGO/NZV-FeZn was suggested to remove Sb(V) through adsorption-photocatalytic reduction and flocculation sedimentation mechanisms and, in view of its high cost performance, stability, and upscalable synthesis, was concluded to hold great promise for source water and wastewater treatment.
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Affiliation(s)
- Huiqing Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Qingping Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China.
| | - Jumei Zhang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Qihui Gu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Weipeng Guo
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Shun Rong
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Yongxiong Zhang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Xianhu Wei
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Lei Wei
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Ming Sun
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Aimei Li
- Guangdong Dinghu Mountain Spring Company Limited, Zhaoqing City, 526070, Guangdong Province, People's Republic of China
| | - Xinhui Jing
- Guangdong Dinghu Mountain Spring Company Limited, Zhaoqing City, 526070, Guangdong Province, People's Republic of China
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Huang B, Long J, Li J, Ai Y. Effects of antimony contamination on bioaccumulation and gut bacterial community of earthworm Eisenia fetida. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:126110. [PMID: 34492908 DOI: 10.1016/j.jhazmat.2021.126110] [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: 01/15/2021] [Revised: 04/26/2021] [Accepted: 05/10/2021] [Indexed: 06/13/2023]
Abstract
Antimony (Sb) contamination has brought great environmental problems to the surrounding soils. However, few studies focused on the response of bacterial communities in earthworm gut to Sb. Eisenia fetida was cultured in four soils with Sb contents (5,25,50,100 mg•kg-1) to investigate the distribution of Sb species in earthworm gut and the response mechanism of bacterial communities to Sb contamination. The results showed that Sb accumulated in the gut and tissues of earthworms, and the mortality of earthworms showed a dose-response relationship with the increase of Sb content. Sb(III) and Sbexe were the major species in gut, whereas Sb(V) and Sbsrp were predominant in surrounding soil. There were significant differences in bacterial diversity between earthworm gut and soil, but there was no significant between the two with different Sb content. The network constructed by gut bacterial community of earthworm was less stable and more sensitive to Sb species than that in soil. Sb(III) had the greatest influence on the gut bacterial community of earthworm, which not only directly affected the community through Xanthomonadaceae, Rhodomicrobiaceae and Anaerolineaceae, but also indirectly influenced through Chthoniobacteraceae. This study fills a research gap on the effect of Sb contamination on the gut bacterial community of earthworm.
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Affiliation(s)
- Bocong Huang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China
| | - Jian Long
- Guizhou Provincial Key Laboratory for Information System of Mountainous Areas and Protection of Ecological Environment, Guizhou Normal University, Guiyang 550001, PR China
| | - Juan Li
- School of Geography and Environmental Science, Guizhou Normal University, Guiyang 550001, PR China
| | - Yingwei Ai
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan 610065, PR China.
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Liendo F, de la Vega AP, Jesus Aguirre M, Godoy F, Martí AA, Flores E, Pizarro J, Segura R. A simple graphene modified electrode for the determination of antimony(III) in edible plants and beverage. Food Chem 2021; 367:130676. [PMID: 34365250 DOI: 10.1016/j.foodchem.2021.130676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/15/2021] [Accepted: 07/20/2021] [Indexed: 01/01/2023]
Abstract
Antimony(III) is a rare electroactive specie present on Earth, whose concentration is not typically determined. The presence of high concentrations of antimony is responsible for a variety of diseases, which makes it desirable to find convenient and reliable methods for its determination. We have developed a convenient glassy carbon modified electrode with electroreduced graphene oxide GC/rGO for the first time determination of Sb(III) in commercial lettuce, celery, and beverages. The surface of the electrode was characterized by scanning electron microscopy (SEM) and cyclic voltammetry, indicating a heterogeneous and rough surface with a real area of 0.28 cm2, which is ~2.5 times the area of GC. The optimal chemical and electrochemical parameters used were: sodium acetate buffer (pH = 4.3), an accumulation potential of -1.0 V and an accumulation time of 150 s. The analytical validation was developed evaluating the linear range (10-60 µg L-1), limit of detection (2.5 µg L-1), accuracy, repetibility and reproducibility with satisfactory results (relative standard deviation (RSD) values lower than 10%). All the analyzes performed in real samples by stripping voltammetry were compared with GF-AAS, showing statistically similar values, demonstrating that GC/rGO could be effectively applied in the analysis of food samples.
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Affiliation(s)
- Fabiana Liendo
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Amaya Paz de la Vega
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Maria Jesus Aguirre
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Fernando Godoy
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Angel A Martí
- Department of Chemistry, Materials Science and Nanoengineering, Bioengineering, Smalley-Curl Institute for Nanoscale Science and Technology, Rice University, Houston, TX 77005, United States
| | - Erick Flores
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile.
| | - Jaime Pizarro
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile.
| | - Rodrigo Segura
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile.
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Zhao H, Du L, Wu Y, Wu X, Han W. Numerical assessment of the passivator effectiveness for Cd-contaminated soil remediation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146485. [PMID: 33752011 DOI: 10.1016/j.scitotenv.2021.146485] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/21/2021] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
A highly effective, economical, and reliable remedial technology is imperative for the successful remediation of [1] cadmium (Cd)-contaminated soil. Although certain Cd passivators have been found to be effective, the methods of assessing their effectiveness are very limited and rarely studied. This study aimed to develop a practical score method for assessing the remedial effectiveness of the Cd passivator. Ultimately, 16 evaluation indexes, 36 weight coefficients, 16 utility functions, and an evaluation system set were obtained. The repair effect of passivator was analysed according to four aspects: metal pollution, soil fertility, passivator cost-effectiveness, and crop profit. The numerical score scale ranged from 0 to 1, with a higher score being indicative of higher remedial effectiveness. There were five repair levels: level 1-5. Level 1 was optimal, and level 5 the poorest. In addition, this study suggested and designed the structure of a passivator database composed of soil information, the remediation effectiveness of the passivator, and the evaluation method. This study provides more comprehensive and insightful information to guide improved soil remediation and soil contamination control.
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Affiliation(s)
- Haodong Zhao
- College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning, China; Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Ministry of Agriculture, Shenyang, Liaoning, China
| | - Liyu Du
- College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning, China; Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Ministry of Agriculture, Shenyang, Liaoning, China.
| | - Yan Wu
- College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning, China; Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Ministry of Agriculture, Shenyang, Liaoning, China
| | - Xiaonan Wu
- College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning, China; Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Ministry of Agriculture, Shenyang, Liaoning, China
| | - Wei Han
- College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning, China; Northeast Key Laboratory of Conservation and Improvement of Cultivated Land, National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer, Ministry of Agriculture, Shenyang, Liaoning, China.
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Guo W, Zhang Z, Wang H, Qin H, Fu Z. Exposure characteristics of antimony and coexisting arsenic from multi-path exposure in typical antimony mine area. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 289:112493. [PMID: 33823409 DOI: 10.1016/j.jenvman.2021.112493] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 02/07/2021] [Accepted: 03/25/2021] [Indexed: 06/12/2023]
Abstract
In this study, samples of daily foods, drinking waters, surface waters, and soils were collected and screened to investigate the external exposure of Sb and As from various intake pathways in typical Sb mining area. Biomarker samples of residents were analyzed to monitor internal exposure characteristic of Sb and As in human body. Exposure dosages of As and Sb and transfer of Sb and As from environment to human body were estimated based on the external and internal exposure. The following results were obtained: daily intakes of food accounted for major intakes of both Sb and As, and highlighted the significance of foods intakes from rice and vegetable. The results of Monte Carlo simulations showed that total daily intake of Sb(n = 1444)and As(n = 1131) approximately reached 1.08 × 10-2 mg/kg/d and 1.19 × 10-3 mg/kg/d, in which 98.82% and 63.07% of residents have exceeded the threshold dosages of Sb and As. The contaminants contents in biomarkers indicated that Sb exhibited the similar internal exposure as As, while the total transfer rate of Sb from environment to human were estimated as approximately 2.04-2.40 times lower than As. This study also suggested that drinking water is another important pathway with high bioavailability and male resident may present higher priority than female in uptake of Sb and As. The paper suggested the similarity and difference on bioavailability existed in Sb and its group V elements, As, that would provide the essential information on exposure of Sb and As in the typical Sb mine area.
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Affiliation(s)
- Wenjing Guo
- Institute of Agricultural Resource and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Nanjing, 210014, China
| | - Zhiyong Zhang
- Institute of Agricultural Resource and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Nanjing, 210014, China
| | - Hao Wang
- South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Hongjie Qin
- Institute of Agricultural Resource and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China; Key Laboratory of Agro-Environment in Downstream of Yangze Plain, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Nanjing, 210014, China
| | - Zhiyou Fu
- State Key Laboratory of Environment Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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Guo S, Zhang Y, Wang S, Yang T, Ma B, Li X, Zhang Y, Jiang X. LncRNA PCA3 promotes antimony-induced lipid metabolic disorder in prostate cancer by targeting MIR-132-3 P/SREBP1 signaling. Toxicol Lett 2021; 348:50-58. [PMID: 34052307 DOI: 10.1016/j.toxlet.2021.05.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/18/2021] [Accepted: 05/25/2021] [Indexed: 10/21/2022]
Abstract
Antimony is a common environmental contaminant that causes biological toxicity in exposed populations worldwide. Previous studies have revealed that antimony promotes prostate cancer growth by stabilizing the c-Myc protein and mimicking androgen activity. However, the role of lncRNAs in the regulation of antimony-induced carcinogenesis remains unknown, and the precise mechanisms need to be explored. In the present study, we found that chronic exposure to antimony promoted cell growth and lipid metabolic disequilibrium in prostate cancer. Mechanistically, we identified a long noncoding RNA molecule, PCA3, that was substantially upregulated in LNCaP cells in response to long-term antimony exposure. Functional studies indicated that abnormal PCA3 expression modulated antimony-induced proliferation and cellular triglyceride and cholesterol levels. In addition, PCA3 levels were found to be inversely correlated with MIR-132-3 P levels by acting as a decoy for MIR-132-3P. Besides, SREBP1 directly interacted with MIR-132-3 P to increase cell growth and disrupt lipid metabolism by targeting its 3'UTR regions. Taken together, our results revealed that lncRNA PCA3 promotes antimony-induced lipid metabolic disorder in prostate cancer by targeting MIR-132-3 P/SREBP1 signaling.
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Affiliation(s)
- Shanqi Guo
- Department of Hematology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin, China; Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yangyi Zhang
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Shuo Wang
- The School of Medicine, Nankai University, Tianjin, China
| | - Tong Yang
- Department of Urology, Tianjin First Central Hospital, Tianjin, China
| | - Baojie Ma
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Xiaojiang Li
- Department of Oncology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Yizhuo Zhang
- Department of Hematology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin, China; Department of Pediatric Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China.
| | - Xingkang Jiang
- Department of Urology, The Second Hospital of Tianjin Medical University, Tianjin, China; The School of Medicine, Nankai University, Tianjin, China.
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Antimony induced structural and ultrastructural changes in Trapa natans. Sci Rep 2021; 11:10695. [PMID: 34021213 PMCID: PMC8140150 DOI: 10.1038/s41598-021-89865-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 12/15/2020] [Indexed: 02/04/2023] Open
Abstract
Antimony (Sb) is considered as a priority toxic metalloid in the earth crust having no known biological function. The current study was carried out in a hydroponic experiment to study the accumulation of ecotoxic Sb in subcellular level, and to find out the ultrastructural damage caused by Sb in different vegetative parts of Trapa natans. Sb-induced structural and ultrastructural changes of T. natans were investigated using scanning electron microscope (SEM) and transmission electron microscope (TEM). Experimental plants were exposed to different Sb(III) treatments: SbT1 (1.5 μmol/L), SbT2 (40 μmol/L) and SbT3 (60 μmol/L). Calculated bioconcentration factor (BCF) and translocation factor (TF) showed that at higher concentration (SbT2, SbT3), T. natans is a potent phytoexcluder whereas it can translocate a substantial amount of Sb to the aerial parts at lower concentration (SbT1). SEM analysis revealed Sb-mediated structural changes in the size of stomatal aperture, intercellular spaces and vascular bundles of different vegetative tissues of T. natans. TEM results showed subcellular compartmentalization of Sb in vacuole and cell wall as electron dense deposition. This is considered as a part of strategy of T. natans to detoxify the deleterious effects under Sb stress conditions. Fourier transform infrared spectroscopy (FTIR) study of plant biomass revealed possible metabolites of T. natans which can bind Sb.
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Xia S, Zhu X, Yan Y, Zhang T, Chen G, Lei D, Wang G. Developmental neurotoxicity of antimony (Sb) in the early life stages of zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 218:112308. [PMID: 33975224 DOI: 10.1016/j.ecoenv.2021.112308] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/28/2021] [Accepted: 05/01/2021] [Indexed: 06/12/2023]
Abstract
Accumulating studies have revealed the toxicity of antimony (Sb) to soil-dwelling and aquatic organisms at the individual level. However, little is known about the neurotoxic effects of antimony and its underlying mechanisms. To assess this issue, we investigated the neurotoxicity of antimony (0, 200, 400, 600 and 800 mg/L) in zebrafish embryos. After exposure, zebrafish embryos showed abnormal phenotypes such as a shortened body length, morphological malformations, and weakened heart function. Behavioral experiments indicated that antimony caused neurotoxicity in zebrafish embryos, manifested in a decreased spontaneous movement frequency, delayed response to touch, and reduced movement distance. We also showed that antimony caused a decrease in acetylcholinesterase (AChE) levels in zebrafish embryos, along with decreased expression of neurofunctional markers such as gfap, nestin, mbp, and shha. Additionally, antimony significantly increased reactive oxygen species levels and significantly reduced glutathione (GSH) and superoxide dismutase (SOD) activity. In summary, our findings indicated that antimony can induce developmental toxicity and neurotoxicity in zebrafish embryos by affecting neurotransmitter systems and oxidative stress, thus altering behavior. These outcomes will advance our understanding of antimony-induced neurotoxicity, environmental problems, and health hazards.
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Affiliation(s)
- Siyu Xia
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Xinhong Zhu
- Department of Neurobiology, Southern Medical University, Guangzhou 510515, China
| | - Yuepei Yan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Tao Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guoliang Chen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Daoxi Lei
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China.
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China.
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Deng F, Zeng F, Chen G, Feng X, Riaz A, Wu X, Gao W, Wu F, Holford P, Chen ZH. Metalloid hazards: From plant molecular evolution to mitigation strategies. JOURNAL OF HAZARDOUS MATERIALS 2021; 409:124495. [PMID: 33187800 DOI: 10.1016/j.jhazmat.2020.124495] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/22/2020] [Accepted: 11/03/2020] [Indexed: 05/25/2023]
Abstract
Metalloids such as boron and silicon are key elements for plant growth and crop productivity. However, toxic metalloids such as arsenic are increasing in the environment due to inputs from natural sources and human activities. These hazardous metalloids can cause serious health risks to humans and animals if they enter the food chain. Plants have developed highly regulated mechanisms to alleviate the toxicity of metalloids during their 500 million years of evolution. A better understanding the molecular mechanisms underlying the transport and detoxification of toxic metalloids in plants will shed light on developing mitigation strategies. Key transporters and regulatory proteins responsive to toxic metalloids have been identified through evolutionary and molecular analyses. Moreover, knowledge of the regulatory proteins and their pathways can be used in the breeding of crops with lower accumulation of metalloids. These findings can also assist phytoremediation by the exploration of plants such as fern species that hyperaccumulate metalloids from soils and water, and can be used to engineer plants with elevated uptake and storage capacity of toxic metalloids. In summary, there are solutions to remediate contamination due to toxic metalloids by combining the research advances and industrial technologies with agricultural and environmental practices.
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Affiliation(s)
- Fenglin Deng
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Fanrong Zeng
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China; College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Guang Chen
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China; College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Xue Feng
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Adeel Riaz
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Xiaojian Wu
- Collaborative Innovation Center for Grain Industry, College of Agriculture, Yangtze University, Jingzhou, China
| | - Wei Gao
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng, China
| | - Feibo Wu
- College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Paul Holford
- School of Science, Western Sydney University, Penrith, NSW, Australia
| | - Zhong-Hua Chen
- School of Science, Western Sydney University, Penrith, NSW, Australia; Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW, Australia.
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Nazir A, Rafique F, Ahmed K, Khan SA, Khan N, Akbar M, Zafar M. Evaluation of heavy metals effects on morpho-anatomical alterations of wheat (Triticum aestivum L.) seedlings. Microsc Res Tech 2021; 84:2517-2529. [PMID: 33908145 DOI: 10.1002/jemt.23801] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 02/03/2021] [Accepted: 03/24/2021] [Indexed: 12/17/2022]
Abstract
The present study aimed to evaluate the effects of Cd and Cr as separate and in combinations in hydroponically grown seedlings of FA-08 and SH-13 cultivars of wheat (Triticum aestivum L.). The concentrations of heavy metals were higher in the root as compared to shoot and were more pronounced in SH-13 than FA-08 cultivar. The decrease in the seedling length and biomass was observed when the metals were applied in combined form (Cd-Cr 80-120, Cd-Cr 100-120, Cr-Cd 140-80, and Cr-Cd 140-100). There were more declines in root length in the cultivar SH-13 as compared to the shoot length, as the concentration of HMs increased. The root at level Cr-140 and shoot at level Cd-100 showed more reduction in SH-13 than FA-08. The high concentration of Cd and Cr affected the root epidermis, the cortical cells, and the xylem vessel. The size and number of stomata, length of long cells and short cells, and trichome were reduced at the concentration Cd-100 and Cr-140. The present study showed that the higher concentration of Cd and Cr affects the morpho-anatomical features of both selected wheat cultivar moderately.
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Affiliation(s)
- Abdul Nazir
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad, Pakistan
| | - Faiza Rafique
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad, Pakistan
| | - Khalid Ahmed
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad, Pakistan
| | - Sabaz Ali Khan
- Department of Biotechnology, COMSATS University Islamabad, Abbottabad, Pakistan
| | - Nadeem Khan
- Department of Breeding and Genomics, Magnus Kahl Seeds (Pty), Coburg North, Victoria, Australia
| | - Muhammad Akbar
- Department of Botany, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Zafar
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Pakistan
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Ahmad P, Alyemeni MN, Wijaya L, Ahanger MA, Ashraf M, Alam P, Paray BA, Rinklebe J. Nitric oxide donor, sodium nitroprusside, mitigates mercury toxicity in different cultivars of soybean. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124852. [PMID: 33383453 DOI: 10.1016/j.jhazmat.2020.124852] [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: 09/13/2020] [Revised: 12/10/2020] [Accepted: 12/10/2020] [Indexed: 06/12/2023]
Abstract
The present study reveals the effect of mercury (Hg) and sodium nitroprusside (SNP) on plant growth and metabolism in soybean cultivars (Pusa-24, Pusa-37and Pusa-40). Mercury stress decreased growth and biomass yield, and gas exchange attributes in all soybean cultivars. External supplementation of SNP mitigated Hg toxicity by improving growth and gas exchange parameters. Electrolyte leakage (EL) increased accompanied with elevated levels of malondialdehyde (MDA) and H2O2 under Hg stress, however, they were found to be reduced in all cultivars upon the exogenous application of SNP. The activities of anti-oxidative enzymes, superoxide dismutase and catalase (SOD and CAT) and those enzymes involved in the ascorbate-glutathione pathway were impaired by Hg stress, but they were regulated by the application of SNP. Accumulation of Hg and NO in the shoots and roots were also regulated by the application of NO. Although, all three cultivars were affected by Hg stress, Pusa-37 was relatively less affected. Mercury stress affected the growth and development of different soybean cultivars, but Pusa-37 being tolerant was less affected. Pusa-37 was found to be more responsive to SNP than Pusa-24, Pusa-40 under Hg toxicity. The external supplementation of SNP could be a sustainable approach to economically utilize Hg affected soils.
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Affiliation(s)
- Parvaiz Ahmad
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia; Department of Botany, S.P. College, Srinagar, Jammu and Kashmir, India.
| | - Mohammed Nasser Alyemeni
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Leonard Wijaya
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | | | - Pravej Alam
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdulaziz University (PSAU), Alkharj, Saudi Arabia
| | - Bilal Ahamad Paray
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water, and Waste-Management, Laboratory of Soil, and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; Department of Environment, Energy, and Geoinformatics, Sejong University, Seoul 05006, Republic of Korea
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Olivia LC, Minerva GC, Rocío PJ, Francisco José MP. Assessment of biopiles treatment on polluted soils by the use of Eisenia andrei bioassay. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 275:116642. [PMID: 33571857 DOI: 10.1016/j.envpol.2021.116642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/06/2020] [Accepted: 01/31/2021] [Indexed: 06/12/2023]
Abstract
A long-term case of residual pollution is studied after 20 years since the largest mining accident in Spain (the Aznalcóllar spill) happened. This pollution is manifested through a surface zoning consisting of bare soils (B0), sparsely vegetated soils (B1), and densely vegetated and recovered soils (B2). A biopiles treatment with a mixture of contaminated soils (B0 and B1) with recovered soils (B2) at 50% (w/w), and vermicompost addition (50 tons ha-1) was evaluated. To assess the effectiveness of treatments, total, water-soluble, and bioavailable fractions of the most polluting elements in the zone (Cu, Zn, As, Pb, Cd, and Sb) was analyzed. To evaluate the potential risk of contamination for the ecosystem, a bioassay with earthworm Eisenia andrei was carried out. Twenty years after the accident, there are still soils where total As and Pb exceed the regulatory levels and water-soluble Zn and As exceed the toxicity guidelines. According to toxicity bioassay, weight variation and juvenile production of earthworms showed an improvement after biopiles treatment, with values that trend to be similar to those of recovered soils. The only bioaccumulated element in earthworms was Cd (BAF>1), both in polluted as in treated soils, which indicates the possible existence of exclusion mechanisms of the other pollutants by earthworms. The comparison between biopiles and polluted soils showed no significant differences for the bioaccumulation factor of trace elements, with the exception of Zn and Cu, which slightly increased after treatment. According to our results, biopiles treatment combined with vermicompost addition is a good technique for the recovery of residual contaminated areas, by the improvement of soil properties and the reduction of the potential toxicity; anyway, monitoring of soils and organisms is needed to prevent the increase of bioavailability of some potentially pollutant elements over time.
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Affiliation(s)
- Lorente-Casalini Olivia
- Departamento de Edafología y Química Agrícola, Faculty of Sciences, University of Granada, Campus Fuente Nueva S/n, 18071, Granada, Spain
| | - García-Carmona Minerva
- Departamento de Agroquímica y Medio Ambiente, University Miguel Hernández, Avda. de La Universidad S/n, 03202, Elche, Alicante, Spain
| | - Pastor-Jáuregui Rocío
- Departamento de Recursos Hídricos, National Agrarian University "La Molina", 15024, Lima, Peru
| | - Martín-Peinado Francisco José
- Departamento de Edafología y Química Agrícola, Faculty of Sciences, University of Granada, Campus Fuente Nueva S/n, 18071, Granada, Spain.
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Garrido I, Ortega A, Hernández M, Fernández-Pozo L, Cabezas J, Espinosa F. Effect of antimony in soils of an Sb mine on the photosynthetic pigments and antioxidant system of Dittrichia viscosa leaves. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:1367-1383. [PMID: 32562108 DOI: 10.1007/s10653-020-00616-0] [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: 09/24/2019] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
Antimony is a toxic element whose concentration in soil and water has been rising due to anthropogenic activities. This study focuses on its accumulation in leaves of Dittrichia viscosa growing in soils of an abandoned Sb mine, and the effect on oxidant/antioxidant systems and photosynthetic efficiency. The results showed leaves to have a high Sb accumulation capacity. The amount of total chlorophyll decreased depending on Sb concentration and of carotenoids increased slightly, with a consequent increase in carotenoid/chlorophyll ratio. Photosynthetic efficiency was unaffected. The amount of O 2 .- rose, although there was no increase in cell membrane damage, with lipid peroxidation levels being similar to normal. This response may be due to considerable increases that were observed in total phenolics, PPO activity, and enzymatic antioxidant system. SOD, POX, and DHAR activities increased in response to increased Sb amounts in leaves. The ascorbate/glutathione cycle was also affected, with strong increases observed in all of its components, and consequent increases in total contents of the ascorbate and glutathione pools. However, the ratio between reduced and oxidized forms declined, reflecting an imbalance between the two, especially that between GSH and GSSG. Efficient detoxification of Sb may take place either through increases in phenolics, carotenoids, and components of the glutathione-ascorbate cycle or through the enzymatic antioxidant system. Since Dittrichia viscosa accumulates large amounts of Sb without suffering oxidative damage, it could be used for phytoremediation.
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Affiliation(s)
- I Garrido
- Research Group of Physiology, Cellular and Molecular Biology of Plants, UEx, Av. Elvas, s/n, 06071, Badajoz, Spain
| | - A Ortega
- Research Group of Physiology, Cellular and Molecular Biology of Plants, UEx, Av. Elvas, s/n, 06071, Badajoz, Spain
| | - M Hernández
- European University of the Atlantic, Scientific and Technological Park of Cantabria, 39011, Santander, Spain
| | - L Fernández-Pozo
- Research Group of Environmental Resources Analysis, UEx, Avenida de Elvas, s/n, 06071, Badajoz, Spain
| | - J Cabezas
- Research Group of Environmental Resources Analysis, UEx, Avenida de Elvas, s/n, 06071, Badajoz, Spain
| | - F Espinosa
- Research Group of Physiology, Cellular and Molecular Biology of Plants, UEx, Av. Elvas, s/n, 06071, Badajoz, Spain.
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