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Deng J, Wang P, Xu Z, Hu T, Li D, Wei X, Chen C, Li Y, Zhang Y. Contaminated soil remediation with nano-FeS loaded lignin hydrogel: A novel strategy to produce safe rice grains while reducing cadmium in paddy field. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133965. [PMID: 38471381 DOI: 10.1016/j.jhazmat.2024.133965] [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: 01/04/2024] [Revised: 02/21/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024]
Abstract
Cadmium (Cd) contamination in agricultural soil has been an elevated concern due to the high health risks associated with the transfer through the soil-food chain, particularly in the case of rice. Recently, there has numerous researches on the use of nanoparticle-loaded materials for heavy metal-polluted soil remediation, resulting in favorable outcomes. However, there has been limited research focus on the field-scale application and recovery. This study was aimed to validate the Cd reduction effect of the nano-FeS loaded lignin hydrogel composites (FHC) in mildly polluted paddies, and to propose a field-scale application method. Hence, a multi-site field experiment was conducted in southern China. After the application for 94-103 days, the FHC exhibited a high integrity and elasticity, with a recovery rate of 91.90%. The single-round remediation led to decreases of 0.42-31.72% in soil Cd content and 1.52-49.11% in grain Cd content. Additionally, this remediation technique did not adversely impact rice production. Consequently, applying FHC in the field was demonstrated to be an innovative, efficient, and promising remediation technology. Simultaneously, a strategy was proposed for reducing Cd levels while cultivating rice in mildly polluted fields using the FHC.
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Affiliation(s)
- Jianbin Deng
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Pu Wang
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Zhaoxin Xu
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Tian Hu
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Deyun Li
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Xiujiao Wei
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Chengyu Chen
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Yongtao Li
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Yulong Zhang
- Key Laboratory of Arable Land Conservation (South China), MOAE, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; Guangdong Province Key Laboratory for Land Use and Consolidation, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
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Yin F, Li J, Wang Y, Yang Z. Biodegradable chelating agents for enhancing phytoremediation: Mechanisms, market feasibility, and future studies. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 272:116113. [PMID: 38364761 DOI: 10.1016/j.ecoenv.2024.116113] [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: 08/25/2023] [Revised: 02/08/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
Heavy metals in soil significantly threaten human health, and their remediation is essential. Among the various techniques used, phytoremediation is one of the safest, most innovative, and effective. In recent years, the use of biodegradable chelators to assist plants in improving their remediation efficiency has gained popularity. These biodegradable chelators aid in the transformation of metal ions or metalloids, thereby facilitating their mobilization and uptake by plants. Developed countries are increasingly adopting biodegradable chelators for phytoremediation, with a growing emphasis on green manufacturing and technological innovation in the chelating agent market. Therefore, it is crucial to gain a comprehensive understanding of the mechanisms and market prospects of biodegradable chelators for phytoremediation. This review focuses on elucidating the uptake, translocation, and detoxification mechanisms of chelators in plants. In this study, we focused on the effects of biodegradable chelators on the growth and environmental development of plants treated with phytoremediation agents. Finally, the potential risks associated with biodegradable chelator-assisted phytoremediation are presented in terms of their availability and application prospects in the market. This study provides a valuable reference for future research in this field.
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Affiliation(s)
- Fengwei Yin
- School of Life Sciences, Taizhou University, Taizhou 318000, People's Republic of China
| | - Jianbin Li
- Jiaojiang Branch of Taizhou Municipal Ecology and Environment Bureau, Taizhou 318000, People's Republic of China
| | - Yilu Wang
- School of Life Sciences, Taizhou University, Taizhou 318000, People's Republic of China; Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Zhongyi Yang
- School of Life Sciences, Taizhou University, Taizhou 318000, People's Republic of China.
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Priyadarshini I, Chowdhury A, Rao A, Roy B, Chattopadhyay P. Assessment of bimetallic Zn/Fe 0 nanoparticles stabilized Tween-80 and rhamnolipid foams for the remediation of diesel contaminated clay soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 325:116596. [PMID: 36326527 DOI: 10.1016/j.jenvman.2022.116596] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 10/04/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
Diesel contamination of soil due to oil spills, disposal of refinery waste, oil exploration constitutes a major environmental problem. This paper reports the remediation of diesel contaminated clay soil using Zn/Fe0 bimetallic nanoparticle stabilized Rhamnolipid (RMLP) and Tween-80 (TW-80) surfactant foams. Fe0, and Zn (x wt%)/Fe0 (x = 0.2, 2.0, and 10.0) bimetallic nanoparticles are synthesized by using sodium borohydride reduction method. The average particle size (from FESEM) is calculated to be 62, 57, 42 and 35 nm for the Fe0, Zn (0.2)/Fe0, Zn (2)/Fe0 and Zn (10)/Fe0 nanopowders, respectively. The highest foamability and foam stability of 109.6 and 108.5 mL, respectively are observed for the RMLP (12 mg/l) surfactant foam stabilized with 6 mg/l Zn (10)/Fe0 nanoparticles. The surface tension values reduce to the lowest value of 28.1 and 31.4 mN/m with the addition of 6 mg/l of Zn (10)/Fe0 powder in RMLP and TW-80 solutions of 12 mg/l, respectively. The maximum diesel removal efficiency of 83.8 and 59%, is achieved by RMLP (12 mg/l) foam stabilized by Zn (10)/Fe0 nanoparticles (6 mg/l) for the clay soil contaminated with 100 and 500 μl/g of diesel, respectively. The physicochemical properties of the nanoparticles are studied to explain the foam properties and the remediation behavior. These findings regarding the nanoparticle stabilized foams can offer a cost-effective environment friendly commercial solution for soil remediation in the future.
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Affiliation(s)
- Ipsita Priyadarshini
- Department of Chemical Engineering, Birla Institute of Technology and Science (BITS), Pilani Campus, VidyaVihar, Pilani 333031, Rajasthan, India
| | - Arjun Chowdhury
- Department of Chemical Engineering, Birla Institute of Technology and Science (BITS), Pilani Campus, VidyaVihar, Pilani 333031, Rajasthan, India
| | - Ankit Rao
- Center for Nano Science and Engineering, Indian Institute of Science, Bangalore, 560012, India
| | - Banasri Roy
- Department of Chemical Engineering, Birla Institute of Technology and Science (BITS), Pilani Campus, VidyaVihar, Pilani 333031, Rajasthan, India
| | - Pradipta Chattopadhyay
- Department of Chemical Engineering, Birla Institute of Technology and Science (BITS), Pilani Campus, VidyaVihar, Pilani 333031, Rajasthan, India.
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Licinio A, Laur J, Pitre FE, Labrecque M. Willow and Herbaceous Species' Phytoremediation Potential in Zn-Contaminated Farm Field Soil in Eastern Québec, Canada: A Greenhouse Feasibility Study. PLANTS (BASEL, SWITZERLAND) 2022; 12:167. [PMID: 36616296 PMCID: PMC9824536 DOI: 10.3390/plants12010167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/17/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Phytoremediation shows great promise as a plant-based alternative to conventional clean-up methods that are prohibitively expensive. As part of an integrated strategy, the selection of well-adapted plant species as well as planting and management techniques could determine the success of a long-term program. Herein, we conducted an experiment under semi-controlled conditions to screen different plants species with respect to their ability to phytoremediate Zn-contaminated soil excavated from a contaminated site following a train derailment and spillage. The effect of nitrilotriacetic acid (NTA) application on the plants and soil was also comprehensively evaluated, albeit we did not find its use relevant for field application. In less than 100 days, substantial Zn removal occurred in the soil zone proximal to the roots of all the tested plant species. Three perennial herbaceous species were tested, namely, Festuca arundinacea, Medicago sativa, and a commercial mix purposely designed for revegetation; they all showed strong capacity for phytostabilization at the root level but not for phytoextraction. The Zn content in the aboveground biomass of willows was much higher. Furthermore, the degree of growth, physiological measurements, and the Zn extraction yield indicated Salix purpurea ‘Fish Creek’ could perform better than Salix miyabeana, ‘SX67’, in situ. Therefore, we suggest implementing an S. purpurea—perennial herbaceous co-cropping strategy at this decade-long-abandoned contaminated site or at similar disrupted landscapes.
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Afridi MS, Javed MA, Ali S, De Medeiros FHV, Ali B, Salam A, Sumaira, Marc RA, Alkhalifah DHM, Selim S, Santoyo G. New opportunities in plant microbiome engineering for increasing agricultural sustainability under stressful conditions. FRONTIERS IN PLANT SCIENCE 2022; 13:899464. [PMID: 36186071 PMCID: PMC9524194 DOI: 10.3389/fpls.2022.899464] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 08/08/2022] [Indexed: 07/30/2023]
Abstract
Plant microbiome (or phytomicrobiome) engineering (PME) is an anticipated untapped alternative strategy that could be exploited for plant growth, health and productivity under different environmental conditions. It has been proven that the phytomicrobiome has crucial contributions to plant health, pathogen control and tolerance under drastic environmental (a)biotic constraints. Consistent with plant health and safety, in this article we address the fundamental role of plant microbiome and its insights in plant health and productivity. We also explore the potential of plant microbiome under environmental restrictions and the proposition of improving microbial functions that can be supportive for better plant growth and production. Understanding the crucial role of plant associated microbial communities, we propose how the associated microbial actions could be enhanced to improve plant growth-promoting mechanisms, with a particular emphasis on plant beneficial fungi. Additionally, we suggest the possible plant strategies to adapt to a harsh environment by manipulating plant microbiomes. However, our current understanding of the microbiome is still in its infancy, and the major perturbations, such as anthropocentric actions, are not fully understood. Therefore, this work highlights the importance of manipulating the beneficial plant microbiome to create more sustainable agriculture, particularly under different environmental stressors.
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Affiliation(s)
| | - Muhammad Ammar Javed
- Institute of Industrial Biotechnology, Government College University, Lahore, Pakistan
| | - Sher Ali
- Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo (USP), São Paulo, Brazil
| | | | - Baber Ali
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Abdul Salam
- Zhejiang Key Laboratory of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Sumaira
- Department of Biotechnology, Quaid-i-Azam University, Islamabad, Pakistan
| | - Romina Alina Marc
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, Cluj-Napoca, Romania
| | - Dalal Hussien M. Alkhalifah
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Gustavo Santoyo
- Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
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Chocobar-Ponce S, Prado C, Tabernero R, Ilina N, Pagano E, Ramallo López JM, Mizrahi MD, Rosa M. The reduction of Cr(VI) in Salvinia minima, possible involvement of an h-type thioredoxin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:3958-3966. [PMID: 34613547 DOI: 10.1007/s11356-021-15967-z] [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: 04/26/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Hexavalent chromium [Cr(VI)] is extremely toxic to plant cells and has been recognized to possess a high redox potential. Tolerant plant species have shown the ability to reduce Cr(VI), but the operating mechanism involved in this process is not elucidated. Thus, the aim of this study was to investigate the possible involvement of thiolic and phenolic compounds and thioredoxin expression during Cr(VI) reduction in S. minima. In addition, a probable enzymatic reduction of Cr(VI) was investigated. Plants were exposed to 20 mg L-1 Cr(VI) concentration during 7 days under controlled conditions. The amount of metal accumulated in lacinias (root-like submerged leaves) and fronds (floating leaves) indicated that a low percentage of absorbed Cr(VI) was mobilized from lacinias to fronds. X-ray absorption near-edge structure (XANES) analysis revealed that Cr(III) was the only chromium species occurring in S. minima plants. Thiols and phenolics of lacinias and fronds were increased significantly by Cr(VI) treatment, but accumulation patterns were different. The expression of an h-type thioredoxin (Trx h) was demonstrated for the first time in Cr-exposed lacinias. Enzymatic reduction showed a low contribution to the Cr(VI) reduction. Data of this study provide evidences on the involvement of thiols, thioredoxin, and phenolics in the reduction of Cr(VI) to Cr(III) in S. minima tissues.
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Affiliation(s)
- Silvana Chocobar-Ponce
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV), CONICET-UNT. Cátedra de Fisiología Vegetal, Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Carolina Prado
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV), CONICET-UNT. Cátedra de Fisiología Vegetal, Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Romina Tabernero
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV), CONICET-UNT. Cátedra de Fisiología Vegetal, Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Natalia Ilina
- Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Eduardo Pagano
- Instituto de Investigaciones en Biociencias Agrícolas y Ambientales (INBA), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - José M Ramallo López
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET-Universidad Nacional de La Plata, Buenos Aires, Argentina
| | - Martín D Mizrahi
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET-Universidad Nacional de La Plata, Buenos Aires, Argentina
| | - Mariana Rosa
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV), CONICET-UNT. Cátedra de Fisiología Vegetal, Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán, Tucumán, Argentina.
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Nguyen TQ, Sesin V, Kisiala A, Emery RJN. Phytohormonal Roles in Plant Responses to Heavy Metal Stress: Implications for Using Macrophytes in Phytoremediation of Aquatic Ecosystems. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:7-22. [PMID: 33074580 DOI: 10.1002/etc.4909] [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: 01/17/2020] [Revised: 05/25/2020] [Accepted: 10/15/2020] [Indexed: 05/20/2023]
Abstract
Heavy metals can represent a threat to the health of aquatic ecosystems. Unlike organic chemicals, heavy metals cannot be eliminated by natural processes such as their degradation into less toxic compounds, and this creates unique challenges for their remediation from soil, water, and air. Phytoremediation, defined as the use of plants for the removal of environmental contaminants, has many benefits compared to other pollution-reducing methods. Phytoremediation is simple, efficient, cost-effective, and environmentally friendly because it can be carried out at the polluted site, which simplifies logistics and minimizes exposure to humans and wildlife. Macrophytes represent a unique tool to remediate diverse environmental media because they can accumulate heavy metals from contaminated sediment via roots, from water via submerged leaves, and from air via emergent shoots. In this review, a synopsis is presented about how plants, especially macrophytes, respond to heavy metal stress; and we propose potential roles that phytohormones can play in the alleviation of metal toxicity in the aquatic environment. We focus on the uptake, translocation, and accumulation mechanisms of heavy metals in organs of macrophytes and give examples of how phytohormones interact with plant defense systems under heavy metal exposure. We advocate for a more in-depth understanding of these processes to inform more effective metal remediation techniques from metal-polluted water bodies. Environ Toxicol Chem 2021;40:7-22. © 2020 SETAC.
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Affiliation(s)
- Thien Q Nguyen
- Department of Biology, Trent University, Peterborough, Ontario, Canada
| | - Verena Sesin
- Environmental and Life Sciences, Trent University, Peterborough, Ontario, Canada
| | - Anna Kisiala
- Department of Biology, Trent University, Peterborough, Ontario, Canada
| | - R J Neil Emery
- Department of Biology, Trent University, Peterborough, Ontario, Canada
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Kok T, Irawati F. Effect of three LED lights on the biomass production and copper remediation by shoot cultures of Musa paradisiaca. Heliyon 2020; 6:e04981. [PMID: 33083584 PMCID: PMC7553978 DOI: 10.1016/j.heliyon.2020.e04981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 07/31/2020] [Accepted: 09/16/2020] [Indexed: 11/17/2022] Open
Abstract
In photosynthesis, certain wavelengths of radiation are absorbed by photosynthetic pigments in plants, depending on the molecular structures of the pigments. Two main radiation wavelengths absorbed by plants for photosynthesis and biomass production are in the range of red and blue lights. Therefore, in addition to white light, observation applying the red and blue lights in plant researches gain great interest. The aim of this project is to compare the effect of three LED lights on the biomass production and copper remediation by previously-screened shoot cultures of Musa paradisiaca. The LED lights applied are arrangements of white, red, and blue LEDs, each arrangement having the same voltage of 12 V and the same power of 24 Watts. The shoot cultures were cultivated aseptically in 25 mL Murashige and Skoog agar media supplemented with 5 mg/L copper ions. Both parameters –the biomass production and copper concentration in biomass– determine the overall copper remediation by the shoot cultures from media. The results of this project show about 1.5-fold biomass production –expressed as growth index– was obtained upon the application of white light compared to that of the other two lights. Meanwhile, there is no significant difference in the concentration of copper in biomass upon the application of the three lights. Combined together, the application of white light still predominates for the overall copper remediation by the shoot cultures of Musa paradisiaca from media.
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Affiliation(s)
- Tjie Kok
- Faculty of Biotechnology, University of Surabaya, Indonesia
| | - Fenny Irawati
- Faculty of Biotechnology, University of Surabaya, Indonesia
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Assessing potential of weeds (Acalypha indica and Amaranthus viridis) in phytoremediating soil contaminated with heavy metals-rich effluent. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2859-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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10
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Waigi MG, Wang J, Yang B, Gudda FO, Ling W, Liu J, Gao Y. Endophytic Bacteria in in planta Organopollutant Detoxification in Crops. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 252:1-50. [PMID: 31451946 DOI: 10.1007/398_2019_33] [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] [Indexed: 06/10/2023]
Abstract
Microbe-assisted organopollutant removal, or in planta crop decontamination, is based on an interactive system between organopollutant-degrading endophytic bacteria (DEBOP) and crops in alleviating organic toxins in plants. This script focuses on the fast-growing body of literature that has recently bloomed in organopollutant control in agricultural plants. The various facets of DEBOP under study include their colonization, distribution, plant growth-promoting mechanisms, and modes of action in the detoxification process in plants. Also, an assessment of the biotechnological advances, advantages, and bottlenecks in accelerating the implementation of this decontamination strategy will be undertaken. The highlighted key research directions from this review will shape the future of agro-environmental sustainability and preservation of human health.
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Affiliation(s)
- Michael Gatheru Waigi
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Jian Wang
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Bing Yang
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Fredrick Owino Gudda
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Wanting Ling
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Juan Liu
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Yanzheng Gao
- Institute of Organic Contaminant Control and Soil Remediation, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China.
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Saxena G, Purchase D, Mulla SI, Saratale GD, Bharagava RN. Phytoremediation of Heavy Metal-Contaminated Sites: Eco-environmental Concerns, Field Studies, Sustainability Issues, and Future Prospects. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 249:71-131. [PMID: 30806802 DOI: 10.1007/398_2019_24] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Environmental contamination due to heavy metals (HMs) is of serious ecotoxicological concern worldwide because of their increasing use at industries. Due to non-biodegradable and persistent nature, HMs cause serious soil/water pollution and severe health hazards in living beings upon exposure. HMs can be genotoxic, carcinogenic, mutagenic, and teratogenic in nature even at low concentration. They may also act as endocrine disruptors and induce developmental as well as neurological disorders, and thus, their removal from our natural environment is crucial for the rehabilitation of contaminated sites. To cope with HM pollution, phytoremediation has emerged as a low-cost and eco-sustainable solution to conventional physicochemical cleanup methods that require high capital investment and labor alter soil properties and disturb soil microflora. Phytoremediation is a green technology wherein plants and associated microbes are used to remediate HM-contaminated sites to safeguard the environment and protect public health. Hence, in view of the above, the present paper aims to examine the feasibility of phytoremediation as a sustainable remediation technology for the management of metal-contaminated sites. Therefore, this paper provides an in-depth review on both the conventional and novel phytoremediation approaches; evaluates their efficacy to remove toxic metals from our natural environment; explores current scientific progresses, field experiences, and sustainability issues; and revises world over trends in phytoremediation research for its wider recognition and public acceptance as a sustainable remediation technology for the management of contaminated sites in the twenty-first century.
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Affiliation(s)
- Gaurav Saxena
- Laboratory for Bioremediation and Metagenomics Research (LBMR), Department of Environmental Microbiology (DEM), Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh, India
| | - Diane Purchase
- Department of Natural Sciences, Faculty of Science and Technology, Middlesex University, London, UK
| | - Sikandar I Mulla
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, People's Republic of China
| | - Ganesh Dattatraya Saratale
- Department of Food Science and Biotechnology, Dongguk University-Seoul, Goyang-si, Gyeonggi-do, Republic of Korea
| | - Ram Naresh Bharagava
- Laboratory for Bioremediation and Metagenomics Research (LBMR), Department of Environmental Microbiology (DEM), Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh, India.
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Kumar V, AlMomin S, Al-Shatti A, Al-Aqeel H, Al-Salameen F, Shajan AB, Nair SM. Enhancement of heavy metal tolerance and accumulation efficiency by expressing Arabidopsis ATP sulfurylase gene in alfalfa. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2019; 21:1112-1121. [PMID: 31044606 DOI: 10.1080/15226514.2019.1606784] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Transgenic alfalfa (Medicago sativa L.) plants overexpressing the Arabidopsis ATP sulfurylase gene were generated using Agrobacterium-mediated genetic transformation to enhance their heavy metal accumulation efficiency. The ATP sulfurylase gene was cloned from Arabidopsis, following exposure to vanadium (V) and lead (Pb), and transferred into an Agrobacterium tumefaciens binary vector. This was co-cultivated with leaf explants of the alfalfa genotype Regen SY. Co-cultivated leaf explants were cultured on callus and somatic embryo induction medium, followed by regeneration medium for regenerating complete transgenic plants. The transgenic nature of the plants was confirmed using PCR and southern hybridization. The expression of Arabidopsis ATP sulfurylase gene in the transgenic plants was evaluated through RT-PCR. The selected transgenic lines showed increased tolerance to a mixture of five heavy metals and also demonstrated enhanced metal uptake ability under controlled conditions. The transgenic lines were fertile and did not exhibit any apparent morphological abnormality. The results of this study indicated an effective approach to improve the heavy metal accumulation ability of alfalfa plants which can then be used for the remediation of contaminated soil in arid regions.
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Affiliation(s)
- V Kumar
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - S AlMomin
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - A Al-Shatti
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - H Al-Aqeel
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - F Al-Salameen
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - A B Shajan
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
| | - S M Nair
- Biotechnology Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research , Kuwait City , Kuwait
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13
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Kotoky R, Rajkumari J, Pandey P. The rhizosphere microbiome: Significance in rhizoremediation of polyaromatic hydrocarbon contaminated soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 217:858-870. [PMID: 29660711 DOI: 10.1016/j.jenvman.2018.04.022] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 03/22/2018] [Accepted: 04/05/2018] [Indexed: 06/08/2023]
Abstract
Microbial communities are an essential part of plant rhizosphere and participate in the functioning of plants, including rhizoremediation of petroleum contaminants. Rhizoremediation is a promising technology for removal of polyaromatic hydrocarbons based on interactions between plants and microbiome in the rhizosphere. Root exudation in the rhizosphere provides better nutrient uptake for rhizosphere microbiome, and therefore it is considered to be one of the major factors of microbial community function in the rhizosphere that plays a key role in the enhanced PAH biodegradation. Although the importance of the rhizosphere microbiome for plant growth has been widely recognized, the interactions between microbiome and plant roots in the process of rhizosphere mediated remediation of PAH still needs attention. Most of the current researches target PAH degradation by plant or single microorganism, separately, whereas the interactions between plants and whole microbiome are overlooked and its role has been ignored. This review summarizes recent knowledge of PAH degradation in the rhizosphere in the process of plant-microbiome interactions based on emerging omics approaches such as metagenomics, metatranscriptomics, metabolomics and metaproteomics. These omics approaches with combinations to bioinformatics tools provide us a better understanding in integrated activity patterns between plants and rhizosphere microbes, and insight into the biochemical and molecular modification of the meta-organisms (plant-microbiome) to maximize rhizoremediation activity. Moreover, a better understanding of the interactions could lead to the development of techniques to engineer rhizosphere microbiome for better hydrocarbon degradation.
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Affiliation(s)
- Rhitu Kotoky
- Department of Microbiology, Assam University, Silchar, 788011, India
| | - Jina Rajkumari
- Department of Microbiology, Assam University, Silchar, 788011, India
| | - Piyush Pandey
- Department of Microbiology, Assam University, Silchar, 788011, India.
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14
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Wang X, Zhi J, Liu X, Zhang H, Liu H, Xu J. Transgenic tobacco plants expressing a P1B-ATPase gene from Populus tomentosa Carr. (PtoHMA5) demonstrate improved cadmium transport. Int J Biol Macromol 2018; 113:655-661. [PMID: 29501753 DOI: 10.1016/j.ijbiomac.2018.02.081] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 02/10/2018] [Accepted: 02/12/2018] [Indexed: 10/17/2022]
Abstract
Heavy metal ATPase (HMA) plays an important role in phytoremediation via long-distance transportation from root to shoot. In this report, we identified a heavy metal ATPase gene, PtoHMA5, from Populus tomentosa Carr. Its encoded peptide consists of 967 amino acids and has eight trans-membrane motifs inside. Tobacco plants were transformed with this gene via Agrobacterium tumefaciens-mediated method. After exposure to 50mg/LCdCl2 for 10d, the transgenic lines displayed higher cadmium accumulation in leaves than did the wild-type plants with an absolute increase of 25.04%, while the transfer coefficient increased by 16.01%-43.25%. Physiological testing including assessment of relative electrolytic leakage (REL), malondialdehyde (MDA) content, and chlorophyll content revealed that the transgenic lines were seriously affected when compared with the wild-type plants. In summary, PtoHMA5 is really involved in cadmium transport from root to shoot but is not associated with the removal of cadmium toxicity.
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Affiliation(s)
- Xiaotong Wang
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China
| | - Junkai Zhi
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China.
| | - Xinru Liu
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China
| | - Hao Zhang
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China
| | - Huabo Liu
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China
| | - Jichen Xu
- National Engineering Laboratory of Tree Breeding, Beijing Forestry University, 100083, China.
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15
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Kaur P, Singh S, Kumar V, Singh N, Singh J. Effect of rhizobacteria on arsenic uptake by macrophyte Eichhornia crassipes (Mart.) Solms. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2018; 20:114-120. [PMID: 28613914 DOI: 10.1080/15226514.2017.1337071] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Wastewater flowing in streams and nallahs across India carries several trace metals, including metalloid arsenic (As), which are considered serious environmental contaminants due to their toxicity, and recalcitrant nature. In this study, we determined the phytoremediation of As by Eichhornia crassipes (Mart.) Solms either alone or in association with plant growth-promoting rhizobacteria. Pseudomonas and Azotobacter inoculation to E. crassipes resulted in enhanced As removal compared to uninoculated control. Co-inoculation with a consortium of Pseudomonas, Azotobacter, Azospirillum, Actinomyces, and Bacillus resulted in a higher As (p < 0.05) phytoaccumulation efficiency. P. aeruginosa strain jogii was found particularly effective in augmenting As removal by E. crassipes. Our findings indicate that the synergistic association of E. crassipes and various rhizobacteria is an effective strategy to enhance removal of As and thus may be utilized as an efficient biological alternative for the removal of this metalloid from wastewaters.
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Affiliation(s)
- Parvinder Kaur
- a Department of Biotechnology , Lovely Professional University , Phagwara , Punjab , India
| | - Simranjeet Singh
- a Department of Biotechnology , Lovely Professional University , Phagwara , Punjab , India
| | - Vivek Kumar
- a Department of Biotechnology , Lovely Professional University , Phagwara , Punjab , India
| | - Nasib Singh
- b Department of Microbiology , Akal College of Basic Sciences, Eternal University , Baru Sahib , Himachal Pradesh , India
| | - Joginder Singh
- a Department of Biotechnology , Lovely Professional University , Phagwara , Punjab , India
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16
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Feng NX, Yu J, Zhao HM, Cheng YT, Mo CH, Cai QY, Li YW, Li H, Wong MH. Efficient phytoremediation of organic contaminants in soils using plant-endophyte partnerships. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 583:352-368. [PMID: 28117167 DOI: 10.1016/j.scitotenv.2017.01.075] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Revised: 01/11/2017] [Accepted: 01/12/2017] [Indexed: 05/20/2023]
Abstract
Soil pollution with organic contaminants is one of the most intractable environmental problems today, posing serious threats to humans and the environment. Innovative strategies for remediating organic-contaminated soils are critically needed. Phytoremediation, based on the synergistic actions of plants and their associated microorganisms, has been recognized as a powerful in situ approach to soil remediation. Suitable combinations of plants and their associated endophytes can improve plant growth and enhance the biodegradation of organic contaminants in the rhizosphere and/or endosphere, dramatically expediting the removal of organic pollutants from soils. However, for phytoremediation to become a more widely accepted and predictable alternative, a thorough understanding of plant-endophyte interactions is needed. Many studies have recently been conducted on the mechanisms of endophyte-assisted phytoremediation of organic contaminants in soils. In this review, we highlight the superiority of organic pollutant-degrading endophytes for practical applications in phytoremediation, summarize alternative strategies for improving phytoremediation, discuss the fundamental mechanisms of endophyte-assisted phytoremediation, and present updated information regarding the advances, challenges, and new directions in the field of endophyte-assisted phytoremediation technology.
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Affiliation(s)
- Nai-Xian Feng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Jiao Yu
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Yu-Ting Cheng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China.
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Hui Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China
| | - Ming-Hung Wong
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, School of Environment, Jinan University, Guangzhou 510632, China; Consortium on Health, Environment, Education and Research (CHEER), Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong, China
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17
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Gerhardt KE, Gerwing PD, Greenberg BM. Opinion: Taking phytoremediation from proven technology to accepted practice. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 256:170-185. [PMID: 28167031 DOI: 10.1016/j.plantsci.2016.11.016] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 11/07/2016] [Accepted: 11/29/2016] [Indexed: 05/22/2023]
Abstract
Phytoremediation is the use of plants to extract, immobilize, contain and/or degrade contaminants from soil, water or air. It can be an effective strategy for on site and/or in situ removal of various contaminants from soils, including petroleum hydrocarbons (PHC), polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), solvents (e.g., trichloroethylene [TCE]), munitions waste (e.g., 2,4,6-trinitrotoluene [TNT]), metal(loid)s, salt (NaCl) and radioisotopes. Commercial phytoremediation technologies appear to be underutilized globally. The primary objective of this opinion piece is to discuss how to take phytoremediation from a proven technology to an accepted practice. An overview of phytoremediation of soil is provided, with the focus on field applications, to provide a frame of reference for the subsequent discussion on better utilization of phytoremediation. We consider reasons why phytoremediation is underutilized, despite clear evidence that, under many conditions, it can be applied quite successfully in the field. We offer suggestions on how to gain greater acceptance for phytoremediation by industry and government. A new paradigm of phytomanagement, with a specific focus on using phytoremediation as a "gentle remediation option" (GRO) within a broader, long-term management strategy, is also discussed.
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Affiliation(s)
- Karen E Gerhardt
- Department of Biology, University of Waterloo, Waterloo, ON, Canada
| | - Perry D Gerwing
- Earthmaster Environmental Strategies Inc., Calgary, AB, Canada
| | - Bruce M Greenberg
- Department of Biology, University of Waterloo, Waterloo, ON, Canada.
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18
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Thijs S, Sillen W, Weyens N, Vangronsveld J. Phytoremediation: State-of-the-art and a key role for the plant microbiome in future trends and research prospects. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2017; 19:23-38. [PMID: 27484694 DOI: 10.1080/15226514.2016.1216076] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Phytoremediation is increasingly adopted as a more sustainable approach for soil remediation. However, significant advances in efficiency are still necessary to attain higher levels of environmental and economic sustainability. Current interventions do not always give the expected outcomes in field settings due to an incomplete understanding of the multicomponent biological interactions. New advances in -omics are gradually implemented for studying microbial communities of polluted land in situ. This opens new perspectives for the discovery of biodegradative strains and provides us new ways of interfering with microbial communities to enhance bioremediation rates. This review presents retrospectives and future perspectives for plant microbiome studies relevant to phytoremediation, as well as some knowledge gaps in this promising research field. The implementation of phytoremediation in soil clean-up management systems is discussed, and an overview of the promoting factors that determine the growth of the phytoremediation market is given. Continuous growth is expected since elimination of contaminants from the environment is demanded. The evolution of scientific thought from a reductionist view to a more holistic approach will boost phytoremediation as an efficient and reliable phytotechnology. It is anticipated that phytoremediation will prove the most promising for organic contaminant degradation and bioenergy crop production on marginal land.
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Affiliation(s)
- Sofie Thijs
- a Centre for Environmental Sciences, Hasselt University , Diepenbeek , Belgium
| | - Wouter Sillen
- a Centre for Environmental Sciences, Hasselt University , Diepenbeek , Belgium
| | - Nele Weyens
- a Centre for Environmental Sciences, Hasselt University , Diepenbeek , Belgium
| | - Jaco Vangronsveld
- a Centre for Environmental Sciences, Hasselt University , Diepenbeek , Belgium
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19
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Thijs S, Sillen W, Rineau F, Weyens N, Vangronsveld J. Towards an Enhanced Understanding of Plant-Microbiome Interactions to Improve Phytoremediation: Engineering the Metaorganism. Front Microbiol 2016; 7:341. [PMID: 27014254 PMCID: PMC4792885 DOI: 10.3389/fmicb.2016.00341] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 03/03/2016] [Indexed: 11/23/2022] Open
Abstract
Phytoremediation is a promising technology to clean-up contaminated soils based on the synergistic actions of plants and microorganisms. However, to become a widely accepted, and predictable remediation alternative, a deeper understanding of the plant-microbe interactions is needed. A number of studies link the success of phytoremediation to the plant-associated microbiome functioning, though whether the microbiome can exist in alternative, functional states for soil remediation, is incompletely understood. Moreover, current approaches that target the plant host, and environment separately to improve phytoremediation, potentially overlook microbial functions and properties that are part of the multiscale complexity of the plant-environment wherein biodegradation takes place. In contrast, in situ studies of phytoremediation research at the metaorganism level (host and microbiome together) are lacking. Here, we discuss a competition-driven model, based on recent evidence from the metagenomics level, and hypotheses generated by microbial community ecology, to explain the establishment of a catabolic rhizosphere microbiome in a contaminated soil. There is evidence to ground that if the host provides the right level and mix of resources (exudates) over which the microbes can compete, then a competitive catabolic and plant-growth promoting (PGP) microbiome can be selected for as long as it provides a competitive superiority in the niche. The competition-driven model indicates four strategies to interfere with the microbiome. Specifically, the rhizosphere microbiome community can be shifted using treatments that alter the host, resources, environment, and that take advantage of prioritization in inoculation. Our model and suggestions, considering the metaorganism in its natural context, would allow to gain further knowledge on the plant-microbial functions, and facilitate translation to more effective, and predictable phytotechnologies.
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Affiliation(s)
- Sofie Thijs
- Department of Biology, Centre for Environmental Sciences, Hasselt UniversityDiepenbeek, Belgium
| | | | | | | | - Jaco Vangronsveld
- Department of Biology, Centre for Environmental Sciences, Hasselt UniversityDiepenbeek, Belgium
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20
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Ryšlavá H, Pomeislová A, Pšondrová Š, Hýsková V, Smrček S. Phytoremediation of carbamazepine and its metabolite 10,11-epoxycarbamazepine by C3 and C4 plants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:20271-20282. [PMID: 26310701 DOI: 10.1007/s11356-015-5190-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 08/10/2015] [Indexed: 06/04/2023]
Abstract
The anticonvulsant drug carbamazepine is considered as an indicator of sewage water pollution: however, its uptake by plants and effect on metabolism have not been sufficiently documented, let alone its metabolite (10,11-epoxycarbamazepine). In a model system of sterile, hydroponically cultivated Zea mays (as C4 plant) and Helianthus annuus (as C3 plant), the uptake and effect of carbamazepine and 10,11-epoxycarbamazepine were studied in comparison with those of acetaminophen and ibuprofen. Ibuprofen and acetaminophen were effectively extracted from drug-supplemented media by both plants, while the uptake of more hydrophobic carbamazepine was much lower. On the other hand, the carbamazepine metabolite, 10,11-epoxycarbamazepine, was, unlike sunflower, willingly taken up by maize plants (after 96 h 88 % of the initial concentration) and effectively stored in maize tissues. In addition, the effect of the studied pharmaceuticals on the plant metabolism (enzymes of Hatch-Slack cycle, peroxidases) was followed. The activity of bound peroxidases, which could cause xylem vessel lignification and reduction of xenobiotic uptake, was at the level of control plants in maize leaves contrary to sunflower. Therefore, our results indicate that maize has the potential to remove 10,11-epoxycarbamazepine from contaminated soils.
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Affiliation(s)
- Helena Ryšlavá
- Department of Biochemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, 128 40, Czech Republic.
| | - Alice Pomeislová
- Department of Biochemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, 128 40, Czech Republic
| | - Šárka Pšondrová
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, 128 40, Czech Republic
| | - Veronika Hýsková
- Department of Biochemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, 128 40, Czech Republic
| | - Stanislav Smrček
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030, Prague 2, 128 40, Czech Republic
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