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Zhao X, Li J, Zhang D, Jiang L, Wang Y, Hu B, Wang S, Dai Y, Luo C, Zhang G. Unveiling the novel role of ryegrass rhizospheric metabolites in benzo[a]pyrene biodegradation. Environ Int 2023; 180:108215. [PMID: 37741005 DOI: 10.1016/j.envint.2023.108215] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 09/11/2023] [Accepted: 09/15/2023] [Indexed: 09/25/2023]
Abstract
Rhizoremediation is a promising remediation technology for the removal of soil persistent organic pollutants (POPs), especially benzo[a]pyrene (BaP). However, our understanding of the associations among rhizospheric soil metabolites, functional microorganisms, and POPs degradation in different plant growth stages is limited. We combined stable-isotope probing (SIP), high-throughput sequencing, and metabolomics to analyze changes in rhizospheric soil metabolites, functional microbes, and BaP biodegradation in the early growth stages (tillering, jointing) and later stage (booting) of ryegrass. Microbial community structures differed significantly among growth stages. Metabolisms such as benzenoids and carboxylic acids tended to be enriched in the early growth stage, while lipids and organic heterocyclic compounds dominated in the later stage. From SIP, eight BaP-degrading microbes were identified, and most of which such as Ilumatobacter and Singulisphaera were first linked with BaP biodegradation. Notably, the relationship between the differential metabolites and BaP degradation efficiency further suggested that BaP-degrading microbes might metabolize BaP directly to produce benzenoid metabolites (3-hydroxybenzo[a]pyrene), or utilize benzenoids (phyllodulcin) to stimulate the co-metabolism of BaP in early growth stage; some lipids and organic acids, e.g. 1-aminocyclopropane-1-carboxylic acid, might provide nutrients for the degraders to promote BaP metabolism in later stage. Accordingly, we determined that certain rhizospheric metabolites might regulate the rhizospheric microbial communities at different growth stages, and shift the composition and diversity of BaP-degrading bacteria, thereby enhancing in situ BaP degradation. Our study sheds light on POPs rhizoremediation mechanisms in petroleum-contaminated soils.
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Affiliation(s)
- Xuan Zhao
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; College of Architecture and Civil Engineering, Kunming University, Kunming 650214, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Jibing Li
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100039, China.
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun 130021, China
| | - Longfei Jiang
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
| | - Yujie Wang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Beibei Hu
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Shuang Wang
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Yeliang Dai
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100039, China
| | - Chunling Luo
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China.
| | - Gan Zhang
- State Key Laboratory of Organic Geochemistry and Guangdong Provincial Key Laboratory of Environmental Protection and Resources Utilization, Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
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Wojtowicz K, Steliga T, Kapusta P, Brzeszcz J. Oil-Contaminated Soil Remediation with Biodegradation by Autochthonous Microorganisms and Phytoremediation by Maize ( Zea mays). Molecules 2023; 28:6104. [PMID: 37630356 PMCID: PMC10459520 DOI: 10.3390/molecules28166104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Biological methods are currently the most commonly used methods for removing hazardous substances from land. This research work focuses on the remediation of oil-contaminated land. The biodegradation of aliphatic hydrocarbons and PAHs as a result of inoculation with biopreparations B1 and B2 was investigated. Biopreparation B1 was developed on the basis of autochthonous bacteria, consisting of strains Dietzia sp. IN118, Gordonia sp. IN101, Mycolicibacterium frederiksbergense IN53, Rhodococcus erythropolis IN119, Rhodococcus globerulus IN113 and Raoultella sp. IN109, whereas biopreparation B2 was enriched with fungi, such as Aspergillus sydowii, Aspergillus versicolor, Candida sp., Cladosporium halotolerans, Penicillium chrysogenum. As a result of biodegradation tests conducted under ex situ conditions for soil inoculated with biopreparation B1, the concentrations of TPH and PAH were reduced by 31.85% and 27.41%, respectively. Soil inoculation with biopreparation B2 turned out to be more effective, as a result of which the concentration of TPH was reduced by 41.67% and PAH by 34.73%. Another issue was the phytoremediation of the pre-treated G6-3B2 soil with the use of Zea mays. The tests were carried out in three systems (system 1-soil G6-3B2 + Zea mays; system 2-soil G6-3B2 + biopreparation B2 + Zea mays; system 3-soil G6-3B2 + biopreparation B2 with γ-PGA + Zea mays) for 6 months. The highest degree of TPH and PAH reduction was obtained in system 3, amounting to 65.35% and 60.80%, respectively. The lowest phytoremediation efficiency was recorded in the non-inoculated system 1, where the concentration of TPH was reduced by 22.80% and PAH by 18.48%. Toxicological tests carried out using PhytotoxkitTM, OstracodtoxkitTM and Microtox® Solid Phase tests confirmed the effectiveness of remediation procedures and showed a correlation between the concentration of petroleum hydrocarbons in the soil and its toxicity. The results obtained during the research indicate the great potential of bioremediation practices with the use of microbial biopreparations and Zea mays in the treatment of soils contaminated with petroleum hydrocarbons.
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Affiliation(s)
- Katarzyna Wojtowicz
- Oil and Gas Institute—National Research Institute, ul. Lubicz 25 A, 31-503 Krakow, Poland; (T.S.); (P.K.); (J.B.)
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Delgado-González CR, Madariaga-Navarrete A, Fernández-Cortés JM, Islas-Pelcastre M, Oza G, Iqbal HMN, Sharma A. Advances and Applications of Water Phytoremediation: A Potential Biotechnological Approach for the Treatment of Heavy Metals from Contaminated Water. Int J Environ Res Public Health 2021; 18:5215. [PMID: 34068925 PMCID: PMC8157233 DOI: 10.3390/ijerph18105215] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 02/05/2023]
Abstract
Potable and good-quality drinking water availability is a serious global concern, since several pollution sources significantly contribute to low water quality. Amongst these pollution sources, several are releasing an array of hazardous agents into various environmental and water matrices. Unfortunately, there are not very many ecologically friendly systems available to treat the contaminated environment exclusively. Consequently, heavy metal water contamination leads to many diseases in humans, such as cardiopulmonary diseases and cytotoxicity, among others. To solve this problem, there are a plethora of emerging technologies that play an important role in defining treatment strategies. Phytoremediation, the usage of plants to remove contaminants, is a technology that has been widely used to remediate pollution in soils, with particular reference to toxic elements. Thus, hydroponic systems coupled with bioremediation for the removal of water contaminants have shown great relevance. In this review, we addressed several studies that support the development of phytoremediation systems in water. We cover the importance of applied science and environmental engineering to generate sustainable strategies to improve water quality. In this context, the phytoremediation capabilities of different plant species and possible obstacles that phytoremediation systems may encounter are discussed with suitable examples by comparing different mechanistic processes. According to the presented data, there are a wide range of plant species with water phytoremediation potential that need to be studied from a multidisciplinary perspective to make water phytoremediation a viable method.
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Affiliation(s)
- Cristián Raziel Delgado-González
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - Alfredo Madariaga-Navarrete
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - José Miguel Fernández-Cortés
- Centre of Bioengineering, School of Engineering and Sciences, Tecnologico de Monterrey, San Pablo 76130, Mexico;
| | - Margarita Islas-Pelcastre
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - Goldie Oza
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica (CIDETEQ), Parque Tecnológico, Pedro Escobedo 76703, Mexico;
| | - Hafiz M. N. Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
| | - Ashutosh Sharma
- Centre of Bioengineering, School of Engineering and Sciences, Tecnologico de Monterrey, San Pablo 76130, Mexico;
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Novakovskiy AB, Kanev VA, Markarova MY. Long-term dynamics of plant communities after biological remediation of oil-contaminated soils in far north. Sci Rep 2021; 11:4888. [PMID: 33649460 PMCID: PMC7921116 DOI: 10.1038/s41598-021-84226-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 02/15/2021] [Indexed: 12/13/2022] Open
Abstract
We studied the long-term dynamics of plant communities after bio and phytoremediation of oil-polluted soils. Nine plots located in European Northeast and treated using various bioremediation methods were monitored from 2002 to 2014. Geobotanical descriptions (relevés) of each plot were performed in 2006 and 2014, and Grime’s theoretical CSR (competition–stress–ruderality) framework was used to assess the vegetation state and dynamics. We observed a clear shift of communities from pioneer (where ruderal species were prevalent) to stable (where competitor species were dominant) states. However, the remediation type did not significantly impact the vegetation recovery rate. After 12 years, all methods led to a 55–90% decrease in the oil content of the soil and a recovery of the vegetation cover. The plant communities contained mainly cereals and sedges which significantly differed from the original tundra communities before the oil spill. The control plot, treated only by mechanical cleaning, had minimum oil degradation rate (50%) and vegetation recovery rates, although, in CSR terms, its vegetation assemblage resembled the background community. Cereals (Agrostis gigantea, Deschampsia cespitosa, Phalaris arundinacea, and Poa pratensis), sedges (Carex canescens, Carex limosa, and Eriophorum vaginatum), and shrubs (Salix) were found to be the most effective species for phytoremediation, exhibiting high community productivity under the harsh northern conditions.
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Affiliation(s)
- A B Novakovskiy
- Institute of Biology Komi SC UB RAS, Kommunisticheskaya st., 28, Syktyvkar, Russia.
| | - V A Kanev
- Institute of Biology Komi SC UB RAS, Kommunisticheskaya st., 28, Syktyvkar, Russia
| | - M Y Markarova
- Institute of Biology Komi SC UB RAS, Kommunisticheskaya st., 28, Syktyvkar, Russia.,Federal Scientific Vegetable Center, Selektsionnaya st. 14, Odintsovo District, Moscow Region, Russia
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Chakravarty P, Deka H. Enzymatic defense of Cyperus brevifolius in hydrocarbons stress environment and changes in soil properties. Sci Rep 2021; 11:718. [PMID: 33436992 DOI: 10.1038/s41598-020-80854-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 12/29/2020] [Indexed: 11/11/2022] Open
Abstract
Hydrocarbons or crude oil contamination of soil is still a burning problem around the globe. The herbs competent that are to survive in hydrocarbons contaminated habitats have some adaptive advantages to cope up with the adverse situations prevailing in that environment. In the present study, the adaptive response of Cyperus brevifolius in the heavily polluted soil with crude oil has been investigated in terms of survivability, changes in productivity, antioxidants, phytochemicals and functional group pro files of the plant species. Besides, changes in enzymes, beneficial bacterial population and physico-chemical conditions of contaminated soil were also studied during 60 days of experimental trials. The results showed significant enhancement in activities of soil dehydrogenase, urease, alkaline phosphatase, catalase, and amylase whereas reduction in cellulase, polyphenol oxidase and peroxidase activities. There was a significant increase in nitrogen fixing, phosphate and potassium solubilizing bacterial population, improvement in physico-chemical conditions and a decrease in total oil and grease (TOG) levels. Besides there was significant variations in the productivity parameters and antioxidant profiles of Cyperus brevifolius in hydrocarbons stress condition suggesting enzymatic defense of the herb. The fourier-transform infrared (FT-IR) analysis indicated uptake and metabolism of some hydrocarbon components by the experimental plant from the hydrocarbons polluted soil.
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Lyubun Y, Muratova A, Dubrovskaya E, Sungurtseva I, Turkovskaya O. Combined effects of cadmium and oil sludge on sorghum: growth, physiology, and contaminant removal. Environ Sci Pollut Res Int 2020; 27:22720-22734. [PMID: 32323232 DOI: 10.1007/s11356-020-08789-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 04/06/2020] [Indexed: 05/22/2023]
Abstract
The physiological and biochemical responses of Sorghum bicolor (L.) Moench. to cadmium (Cd) (30 mg kg-1) and oil sludge (OS) (16 g kg-1) present in soil both separately and as a mixture were studied in pot experiments. The addition of oil sludge as a co-contaminant decreased Cd entry into the plant by almost 80% and simultaneously decreased the stimulation of superoxide dismutase (SOD) and peroxidase. The decrease in glutathione reductase (GR) activity and the increase in glutathione-S-transferase (GST) activity under the influence of oil sludge indicated that its components were detoxified by conjugation with glutathione. Cd additionally activated the antioxidant and detoxifying potential of the plant enzymatic response to stress. This helped to enhance the degradation rate of oil sludge in the rhizosphere, in which the participation of the root-released enzymes in the degradation could be possible. Cd increased the extent of soil clean-up from oil sludge, mainly owing to the elimination of paraffins, naphthenes, and mono- and bicyclic aromatic hydrocarbons. The mutual influence of the pollutants on the biochemical responses of sorghum and on soil clean-up was evaluated. The results are important for understanding the antistress and detoxification responses of the remediating plant to combined environmental pollution.
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Affiliation(s)
- Yelena Lyubun
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov, Russia, 410049.
| | - Anna Muratova
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov, Russia, 410049
| | - Ekaterina Dubrovskaya
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov, Russia, 410049
| | - Irina Sungurtseva
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov, Russia, 410049
| | - Olga Turkovskaya
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov, Russia, 410049
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Zhang X, Zhou W, Liu H, Bai E, Zhang J, Liu Z. Dynamics of the remediating effects of plant litter on the biological and chemical properties of petroleum-contaminated soil. Environ Sci Pollut Res Int 2019; 26:12765-12775. [PMID: 30877549 DOI: 10.1007/s11356-019-04834-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
To investigate the comprehensive remediating effects of plant residues on biological and chemical properties and the long-term dynamics of these effects, litter from Caragana korshinskii (caragana) or Ziziphus jujuba var. spinosa (jujube) was mixed with three types of soil that were contaminated with 12.49, 27.54, and 45.37 g kg-1 of petroleum. The mixtures were incubated at 20-25 °C with consistent soil moisture for 360 days. Subsequently, the litter impacts on the soil microbial population, the activities of 12 types of soil hydrolytic, and redox enzymes related to the cycling of C, N, and P, and the available N, P, and K contents were determined during the incubation. The results indicated that both types of litter significantly accelerated the reproduction of soil microbes and significantly increased the activities of most of the hydrolytic enzymes and the available nutrient contents after the short-term treatments, while the litters usually simultaneously depressed the activities of polyphenol oxidase and peroxidase in the slightly and moderately contaminated soils. However, the comprehensive remediating effects of the litters on the lightly contaminated soil significantly decreased over time while it recovered to some extent at the end of the experiment. The remediating effects on the seriously contaminated soil exhibited the opposite trend, and their remediating effects on the moderately contaminated soil exhibited continuous weakening. Generally, the remediating effects of the caragana litter were more noticeable than those of the jujube litter, except for the effect on the slightly contaminated soil after 180 days of treatment.
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Affiliation(s)
- Xiaoxi Zhang
- Shaanxi Engineering and Technological Research Center for Conservation and Utilization of Regional Biological Resources, College of Life Sciences, Yan'an University, Yan'an, 716000, China
- Institute of Soil and Water Conservation, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Wenxing Zhou
- Shaanxi Engineering and Technological Research Center for Conservation and Utilization of Regional Biological Resources, College of Life Sciences, Yan'an University, Yan'an, 716000, China
| | - Hui Liu
- Shaanxi Engineering and Technological Research Center for Conservation and Utilization of Regional Biological Resources, College of Life Sciences, Yan'an University, Yan'an, 716000, China
| | - Erlei Bai
- Shaanxi Engineering and Technological Research Center for Conservation and Utilization of Regional Biological Resources, College of Life Sciences, Yan'an University, Yan'an, 716000, China
| | - Jizhou Zhang
- College of Economics and Management, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Zengwen Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Hernández-Valencia DF, Santoyo-Pizano G, Saucedo-Martínez BC, Ignacio De La Cruz JL, Sánchez-Yáñez JM. Análisis de la dinámica de bioestimulación de un suelo contaminado por 75000 ppm de aceite residual automotriz. J Selva Andina Res Soc 2019. [DOI: 10.36610/j.jsars.2019.100100025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ikeura H, Fukunaga S, Uchida N, Tamaki M. Relationships between root growth of Zinnia hybrid "profusion orange" flowers and phytoremediation of oil-contaminated soil. Int J Phytoremediation 2019; 21:287-292. [PMID: 30648412 DOI: 10.1080/15226514.2018.1524825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Relationships exist between plant root growth and the phytoremediation of oil-contaminated soils. In a previous study, we demonstrated that zinnia flowers are well suited for the remediation of oil-contaminated soil. In this study, our goal was to quantify the relationship between zinnia root growth and purification of oil-contaminated soils. Three treatments were used: (1) cultivation of zinnia in oil-contaminated soil (contaminated pots), (2) cultivation in non-contaminated soil (non-contaminated pots), and (3) contaminated soil with no cultivation and only irrigation (irrigated pots). Growth of the Zinnia plants, including their roots, was significantly reduced in the contaminated pots compared with the noncontaminated pots. The soil dehydrogenase activity increased between 45 and 90 days after planting in all parts of the contaminated pots, especially the upper parts. The soil total petroleum hydrocarbon (TPH) concentrations in the contaminated pots decreased throughout the study period. Interestingly, the soil dehydrogenase activity increased, and the soil TPH concentration decreased even in lower parts of the pots where there was very little root growth. Therefore, the cultivation of plants can have a remediative effect on oil-contaminated soil even below the depth reached by the plant roots.
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Affiliation(s)
- Hiromi Ikeura
- a Faculty of Life and Environmental Science , Shimane University , Matsue , Shimane , Japan
| | - Sayuri Fukunaga
- b School of Agriculture , Meiji University , Kawasaki , Kanagawa , Japan
| | - Nahoko Uchida
- b School of Agriculture , Meiji University , Kawasaki , Kanagawa , Japan
| | - Masahiko Tamaki
- b School of Agriculture , Meiji University , Kawasaki , Kanagawa , Japan
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Escalante-Canizal S, Márquez-Benavides L, Baltierra-Trejo E, Saucedo-Martínez BC, Sánchez–Yáñez JM. Biorremediación y fitorremediación de un suelo impactado por aceite residual automotriz con Helianthus annuus y Burkholderia vietnamiensis. J Selva Andina Res Soc 2017. [DOI: 10.36610/j.jsars.2017.080200104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Márquez-Benavidez L, Rizo-León MÁ, Montaño-Arias NM, Ruiz-Nájera R, Sánchez-Yáñez JM. Respuesta de Phaseolus vulgaris a la inoculación de diferentes dosis de Trichoderma harzianum con el fertilizante nitrogenado reducido al 50%. J Selva Andina Res Soc 2017. [DOI: 10.36610/j.jsars.2017.080200135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Meza-Ramírez JY, Rico-Cerda J, Ruiz-Nájera RE, Sánchez-Yáñez JM. Bioestimulación de suelo contaminado con 40000 ppm de aceite residual automotriz y fitorremediación con Cicer arietinum y Burkholderia cepacia. J Selva Andina Res Soc 2016. [DOI: 10.36610/j.jsars.2016.070200075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Deng F, Liao C, Yang C, Guo C, Ma L, Dang Z. A new approach for pyrene bioremediation using bacteria immobilized in layer-by-layer assembled microcapsules: dynamics of soil bacterial community. RSC Adv 2016. [DOI: 10.1039/c5ra23273b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Pyrene-degrading bacteria immobilized in layer-by-layer assembled microcapsules were prepared and inoculated into pyrene-contaminated soil. The microcapsules enhanced the pyrene removal ability and improved the bacterial community construction.
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Affiliation(s)
- Fucai Deng
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
| | - Changjun Liao
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
- Department of Environmental Engineering
| | - Chen Yang
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
- The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters
| | - Chuling Guo
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
- The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters
| | - Lin Ma
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
| | - Zhi Dang
- School of Environment and Energy
- South China University of Technology
- Guangzhou
- China
- The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters
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Ikeura H, Kawasaki Y, Kaimi E, Nishiwaki J, Noborio K, Tamaki M. Screening of plants for phytoremediation of oil-contaminated soil. Int J Phytoremediation 2016; 18:460-466. [PMID: 26587892 DOI: 10.1080/15226514.2015.1115957] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Several species of ornamental flowering plants were evaluated regarding their phytoremediation ability for the cleanup of oil-contaminated soil in Japanese environmental conditions. Thirty-three species of plants were grown in oil-contaminated soil, and Mimosa, Zinnia, Gazania, and cypress vine were selected for further assessment on the basis of their favorable initial growth. No significant difference was observed in the above-ground and under-ground dry matter weight of Gazania 180 days after sowing between contaminated and non-contaminated plots. However, the other 3 species of plants died by the 180th day, indicating that Gazania has an especially strong tolerance for oil-contaminated soil. The total petroleum hydrocarbon concentration of the soils in which the 4 species of plants were grown decreased by 45-49% by the 180th day. Compared to an irrigated plot, the dehydrogenase activity of the contaminated soil also increased significantly, indicating a phytoremediation effect by the 4 tested plants. Mimosa, Zinnia, and cypress vine all died by the 180th day after seeding, but the roots themselves became a source of nutrients for the soil microorganisms, which led to a phytoremediation effect by increase in the oil degradation activity. It has been indicated that Gazania is most appropriate for phytoremediation of oil-contaminated soil.
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Affiliation(s)
- Hiromi Ikeura
- a Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University , Higashimita, Tama-ku, Kawasaki, Kanagawa , Japan
| | - Yu Kawasaki
- b Graduate School of Agriculture, Meiji University , Higashimita, Tama-ku, Kawasaki, Kanagawa , Japan
| | - Etsuko Kaimi
- c Department of Environmental Research and Development , Chugai-Technos Corp. , Yokogawasinmachi, Nishi-ku, Hiroshima, Hiroshima , Japan
| | - Junko Nishiwaki
- d College of Agriculture, Ibaraki University , Chuo, Ami, Inashiki, Ibaraki , Japan
| | - Kosuke Noborio
- e School of Agriculture, Meiji University , Kurokawa, Asao-ku, Kawasaki, Kanagawa , Japan
| | - Masahiko Tamaki
- e School of Agriculture, Meiji University , Kurokawa, Asao-ku, Kawasaki, Kanagawa , Japan
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Shahsavari E, Adetutu EM, Taha M, Ball AS. Rhizoremediation of phenanthrene and pyrene contaminated soil using wheat. J Environ Manage 2015; 155:171-176. [PMID: 25819570 DOI: 10.1016/j.jenvman.2015.03.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 03/12/2015] [Accepted: 03/17/2015] [Indexed: 06/04/2023]
Abstract
Rhizoremediation, the use of the plant rhizosphere and associated microorganisms represents a promising method for the clean up of soils contaminated with polycyclic aromatic hydrocarbons (PAHs) including phenanthrene and pyrene, two model PAHs. Although numerous studies have been published reporting the degradation of phenanthrene and pyrene, very few evaluate the microbial basis of the rhizoremediation process through the application of molecular tools. The aim of this study was to investigate the effect of wheat on the degradation of two model PAHs (alone or in combination) and also on soil bacterial, fungal and nidA gene (i.e. a key gene in the degradation of pyrene) communities. The addition of wheat plants led to a significant enhancement in the degradation of both phenanthrene and pyrene. In pyrene-contaminated soils, the degradation rate increased from 15% (65 mg/kg) and 18% (90 mg/kg) in unplanted soils to 65% (280 mg/kg) and 70% (350 mg/kg) in planted treatments while phenanthrene reduction was enhanced from 97% (394 mg/kg) and 87% (392 mg/kg) for unplanted soils to 100% (406 mg/kg) and 98% (441 mg/kg) in the presence of wheat. PCR-DGGE results showed that the plant root let to some changes in the bacterial and fungal communities; these variations did not reflect any change in hydrocarbon-degrading communities. However, plate counting, traditional MPN and MPN-qPCR of nidA gene revealed that the wheat rhizosphere led to an increase in the total microbial abundance including PAH degrading organisms and these increased activities resulted in enhanced degradation of phenanthrene and pyrene. This clearer insight into the mechanisms underpinning PAH degradation will enable better application of this environmentally friendly technique.
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Affiliation(s)
- Esmaeil Shahsavari
- Centre for Environmental Sustainability and Remediation, School of Applied Sciences, RMIT University, Bundoora, Victoria 3083, Australia.
| | - Eric M Adetutu
- Centre for Environmental Sustainability and Remediation, School of Applied Sciences, RMIT University, Bundoora, Victoria 3083, Australia
| | - Mohamed Taha
- Centre for Environmental Sustainability and Remediation, School of Applied Sciences, RMIT University, Bundoora, Victoria 3083, Australia
| | - Andrew S Ball
- Centre for Environmental Sustainability and Remediation, School of Applied Sciences, RMIT University, Bundoora, Victoria 3083, Australia
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Proietti I, Frazzoli C, Mantovani A. Exploiting Nutritional Value of Staple Foods in the World's Semi-Arid Areas: Risks, Benefits, Challenges and Opportunities of Sorghum. Healthcare (Basel) 2015; 3:172-93. [PMID: 27417755 PMCID: PMC4939534 DOI: 10.3390/healthcare3020172] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 03/17/2015] [Accepted: 03/22/2015] [Indexed: 11/29/2022] Open
Abstract
Sorghum (Sorghum bicolor (L.) Moench) is a drought-resistant crop and an important food resource in terms of nutritional as well as social-economic values, especially in semi-arid environments. Cultivar selection and processing methods have been observed to impact on composition and functional and nutritional value of sorghum. Amino acid imbalance, cyanogenic glycosides, endogenous anti-nutrients, mycotoxins and toxic elements are among factors impairing its nutritional value. This paper reviews possible approaches (varieties selection, production practices, cooking processes) to improve the benefits-to-risks balance of sorghum meal, to mitigate the risk of deficiencies and/or imbalances and to improve effects on human nutrition. Opportunity for avoiding dietary diversification in high sorghum consumers is also discussed, e.g., tryptophan and niacin deficits potentially related to pellagra, or unavailability of proteins and divalent cations (e.g., Fe, Zn) due to the antinutrient activity of phytic acid and tannins. As potential candidate for production investments, the role of sorghum in preserving biological diversity is also considered.
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Affiliation(s)
- Ilaria Proietti
- European Commission, Joint Research Centre (JRC), Institute for Prospective Technological Studies (IPTS), Agriculture and Life Sciences in the Economy (AGRILIFE), Edificio Expo. C/Inca Garcilaso 3, 41092 Seville, Spain.
- Food and Veterinary Toxicology Unit, Department of Veterinary Public Health and Food Safety, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
| | - Chiara Frazzoli
- External Relations Office, Istituto Superiore di Sanità, via Giano della Bella 34, 00162 Rome, Italy.
| | - Alberto Mantovani
- Food and Veterinary Toxicology Unit, Department of Veterinary Public Health and Food Safety, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
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Balderas-León I, Sánchez-Yáñez JM. Biorremediación de suelo contaminado con 75000 ppm de aceite residual automotriz por bioestimulación y fitorremediación con Sorghum vulgare y Bacillus cereus y/ o Burkholderia cepacia. J Selva Andina Res Soc 2015. [DOI: 10.36610/j.jsars.2015.060100023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
En el suelo contaminado en alta concentración de aceite residual automotriz (ARA) causa pérdida de su fertilidad. Una solución es la biorremediación (BR) por doble y secuencial bioestimulación (BS) y posterior fitorremediación (FR) con Sorghum vulgare y Bacillus cereus/Burkholderia cepacia o bacterias promotoras de crecimiento vegetal (BPCV) para reducir el ARA remanente. Los objetivos de este trabajo fueron: a) biorremediar un suelo contaminado con 75000 ppm de ARA por doble y secuencial bioestimulación, y posterior b) fitorremediación con S. vulgare y las BPCV. El suelo contaminado con ARA se biorremedio por BS primero con solución mineral (SM), una segunda BS con Phaseolus vulgaris y BPCV incorporada como abono verde (AV), después por fitorremediación con S. vulgare y las BPCV para minimizar el ARA. Los resultados indicaron que la biorremediación del suelo por doble y secuencial BS: con SM el ARA decreció a 32500 ppm/30 días y con P. vulgaris; lo disminuyo hasta 10100 ppm/90 días. Su fitorremediación para minimizar el ARA remanente con S. vulgare y BPCV a floración lo redujo de 2500 ppm a 800 ppm. Ello apoya que biorestaurar un suelo impactado con elevada concentración de ARA; la mejor es la integración de la BR/FR, que su aplicación por separado.
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Affiliation(s)
- Iván Balderas-León
- Microbiología Ambiental, Instituto de Investigaciones Químico Biológicas, Ed-B3. Universidad Michoacana de San Nicolás de Hidalgo, Francisco J. Mujica S/N, Col. Felicitas del Rio C.P. 58000, Morelia, Mich, México
| | - Juan Manuel Sánchez-Yáñez
- Microbiología Ambiental, Instituto de Investigaciones Químico Biológicas, Ed-B3. Universidad Michoacana de San Nicolás de Hidalgo, Francisco J. Mujica S/N, Col. Felicitas del Rio C.P. 58000, Morelia, Mich, México. E-mail address:
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Somtrakoon K, Chouychai W, Lee H. Comparing anthracene and fluorene degradation in anthracene and fluorene-contaminated soil by single and mixed plant cultivation. Int J Phytoremediation 2014; 16:415-428. [PMID: 24912240 DOI: 10.1080/15226514.2013.803024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The ability of three plant species (sweet corn, cucumber, and winged bean) to remediate soil spiked with 138.9 and 95.9 mg of anthracene and fluorene per kg of dry soil, respectively, by single and double plant co-cultivation was investigated. After 15 and 30 days of transplantation, plant elongation, plant weight, chlorophyll content, and the content of each PAH in soil and plant tissues were determined. Based on PAH removal and plant health, winged bean was the most effective plant for phytoremediation when grown alone; percentage of fluorene and anthracene remaining in the rhizospheric soil after 30 days were 7.8% and 24.2%, respectively. The most effective combination of plants for phytoremediation was corn and winged bean; on day 30, amounts of fluorene and anthracene remaining in the winged bean rhizospheric soil were 3.4% and 14.3%, respectively; amounts of fluorene and anthracene remaining in the sweet corn rhizospheric soil were 4.1% and 8.8%, respectively. Co-cultivation of sweet corn and cucumber could remove fluorene to a higher extent than anthracene from soil within 15 days, but these plants did not survive and died before day 30. The amounts of fluorene remaining in the rhizospheric soil of corn and cucumber were only 14% and 17.3%, respectively, on day 15. No PAHs were detected in plant tissues. This suggests that phytostimulation of microbial degradation in the rhizosphere was most likely the mechanism by which the PAHs were removed from the spiked soil. The results show that co-cultivation of plants has merit in the phytoremediation of PAH-spiked soil.
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Shahsavari E, Adetutu EM, Anderson PA, Ball AS. Plant residues--a low cost, effective bioremediation treatment for petrogenic hydrocarbon-contaminated soil. Sci Total Environ 2013; 443:766-774. [PMID: 23231887 DOI: 10.1016/j.scitotenv.2012.11.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 11/06/2012] [Accepted: 11/07/2012] [Indexed: 06/01/2023]
Abstract
Petrogenic hydrocarbons represent the most commonly reported environmental contaminant in industrialised countries. In terms of remediating petrogenic contaminated hydrocarbons, finding sustainable non-invasive technologies represents an important goal. In this study, the effect of 4 types of plant residues on the bioremediation of aliphatic hydrocarbons was investigated in a 90 day greenhouse experiment. The results showed that contaminated soil amended with different plant residues led to statistically significant increases in the utilisation rate of Total Petroleum Hydrocarbon (TPH) relative to control values. The maximum TPH reduction (up to 83% or 6800 mg kg(-1)) occurred in soil mixed with pea straw, compared to a TPH reduction of 57% (4633 mg kg(-1)) in control soil. A positive correlation (0.75) between TPH reduction rate and the population of hydrocarbon-utilising microorganisms was observed; a weaker correlation (0.68) was seen between TPH degradation and bacterial population, confirming that adding plant materials significantly enhanced both hydrocarbonoclastic and general microbial soil activities. Microbial community analysis using Denaturing Gradient Gel Electrophoresis (DGGE) showed that amending the contaminated soil with plant residues (e.g., pea straw) caused changes in the soil microbial structure, as observed using the Shannon diversity index; the diversity index increased in amended treatments, suggesting that microorganisms present on the dead biomass may become important members of the microbial community. In terms of specific hydrocarbonoclastic activity, the number of alkB gene copies in the soil microbial community increased about 300-fold when plant residues were added to contaminated soil. This study has shown that plant residues stimulate TPH degradation in contaminated soil through stimulation and perhaps addition to the pool of hydrocarbon-utilising microorganisms, resulting in a changed microbial structure and increased alkB gene copy numbers. These results suggest that pea straw in particular represents a low cost, effective treatment to enhance the remediation of aliphatic hydrocarbons in contaminated soils.
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Affiliation(s)
- Esmaeil Shahsavari
- School of Applied Sciences, RMIT University, Bundoora, Victoria 3083, Australia.
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Golubev SN, Muratova AY, Wittenmayer L, Bondarenkova AD, Hirche F, Matora LY, Merbach W, Turkovskaya OV. Rhizosphere indole-3-acetic acid as a mediator in the Sorghum bicolor-phenanthrene-Sinorhizobium meliloti interactions. Plant Physiol Biochem 2011; 49:600-608. [PMID: 21459011 DOI: 10.1016/j.plaphy.2011.03.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2010] [Accepted: 03/09/2011] [Indexed: 05/30/2023]
Abstract
We studied a model system consisting of Sorghum bicolor, phenanthrene, and an auxin-producing polycyclic aromatic hydrocarbon-degrading Sinorhizobium meliloti strain to clarify whether rhizosphere indole-3-acetic acid (IAA) takes part in the plant-pollutant-bacteria interactions. Phenanthrene and S. meliloti treatments of sorghum contributed to a decrease in the rhizosphere IAA concentration and to phytohormone accumulation, respectively. Regression analysis showed significant correlations between alteration in root-zone IAA content and alterations in the root-surface area, exudation, and rhizosphere effects for culturable heterotrophic bacteria, the S. meliloti strain, and other phenanthrene degraders. According to the data obtained, phenanthrene degraders get an advantage over nondegradative rhizobacteria from IAA for rhizosphere colonization. An IAA-dependent increase in the root-surface area leads to improved sorghum growth under pollutant stress. The carbon flux from the roots is corrected by the auxin because of its influence on the exuding-surface area and on the intensity of secretion by the root cells. On the other hand, the rhizosphere IAA pool may be plant-regulated by means of alteration in carboxylate exudation and its influence on bacterial auxin production. A scenario for the IAA-mediated S. bicolor-phenanthrene-S. meliloti interactions is proposed.
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Affiliation(s)
- Sergey N Golubev
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia.
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Mahmoud HM, Suleman P, Sorkhoh NA, Salamah S, Radwan SS. The potential of established turf cover for cleaning oily desert soil using rhizosphere technology. Int J Phytoremediation 2011; 13:156-167. [PMID: 21598783 DOI: 10.1080/15226510903390403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The rhizosphere of two turf cover sorts; Bermuda grass and American grass contained high numbers, 8.1 to 16.8 x 10(6) g(-1) of cultivable oil-utilizing and diazotrophic bacteria belonging predominantly to the genera Agrobacterium, Arthrobacter, Pseudomonas, Gordonia, and Rhodococcus. Those bacteria also grew on a nitrogen-free medium and demonstrated the ability to reduce acetylene to ethylene. These isolates grew on a wide range of n-alkanes (C9 to C40) and aromatic hydrocarbons, as sole sources of carbon. Quantitative determinations revealed that predominant bacteria consumed crude oil and representative aliphatic (n-octadecane) and aromatic (phenanthrene) hydrocarbons efficiently. The fact that those organisms had the combined activities of hydrocarbon-utilization and nitrogen-fixation makes them suitable tools for bioremediating oily desert areas that are normally poor in nitrogenous compounds. Phytoremediation experiments showed that spreading turf cover on oily desert soil inhibited oil volatilization and enhanced oil loss in soil by about 15%. Oil loss was also enhanced in turf free soil samples fertilized with NH4NO3. In conclusion, covering this oil-polluted soil with turf cover minimized atmospheric pollution, increased the numbers of the oil-utilizing/nitrogen-fixing bacteria by about 20 to 46% thus, encouraging oil attenuation.
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Affiliation(s)
- H M Mahmoud
- Department of Biological Sciences, Faculty of Science, Kuwait University, Safat, Kuwait
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Zhang Z, Zhou Q, Peng S, Cai Z. Remediation of petroleum contaminated soils by joint action of Pharbitis nil L. and its microbial community. Sci Total Environ 2010; 408:5600-5605. [PMID: 20810149 DOI: 10.1016/j.scitotenv.2010.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2010] [Revised: 07/24/2010] [Accepted: 08/01/2010] [Indexed: 05/29/2023]
Abstract
The plot-culture experiments were conducted for examining the feasibility of Pharbitis nil L. and its microbial community to remedy petroleum contaminated soils. The petroleum contaminated soil, containing 10% (w/w) of the total petroleum hydrocarbons (TPHs), was collected from the Shengli Oil Field, Dongying City, Shandong Province, China. The collected soil was applied and diluted to a series of petroleum contaminated soils (0.5%, 1.0%, 2.0% and 4.0%). Root length, microbial populations and numbers in the rhizosphere were also measured in this work. The results showed that there was significantly (p<0.05) greater degradation rate of TPHs in vegetated treatments, up to 27.63-67.42%, compared with the unvegetated controls (only 10.20-35.61%), after a 127-day incubation. Although various fractions of TPHs had an insignificant concentration difference due to the presence of the remediation plants, there was a much higher removal of saturated hydrocarbon compared with other components. The biomass of P. nil L. did not decrease significantly when the concentration of petroleum hydrocarbons in soil was ≤2.0%. The trends of microbial populations and numbers in the rhizosphere were similar to the biomass changes, with the exception that fungi at 0.5% petroleum contaminated soil had the largest microbial populations and numbers.
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Affiliation(s)
- Zhineng Zhang
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China
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Muratova AY, Golubev SN, Merbach W, Turkovskaya OV. Biochemical and physiological peculiarities of the interactions between Sinorhizobium meliloti and Sorghum bicolor in the presence of phenanthrene. Microbiology (Reading) 2009. [DOI: 10.1134/s0026261709030084] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Muratova A, Pozdnyakova N, Golubev S, Wittenmayer L, Makarov O, Merbach W, Turkovskaya O. Oxidoreductase activity of Sorghum root exudates in a phenanthrene-contaminated environment. Chemosphere 2009; 74:1031-1036. [PMID: 19101015 DOI: 10.1016/j.chemosphere.2008.11.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 10/31/2008] [Accepted: 11/02/2008] [Indexed: 05/27/2023]
Abstract
The effect of the polycyclic aromatic hydrocarbon (PAH) phenanthrene on the enzymatic activity of root exudates of the phytoremediating plant Sorghum bicolor (L.) Moench was studied. Analysis of sorghum root exudates allowed us to reveal the activities of oxidase, peroxidase, and tyrosinase. The activities of these enzymes were progressive as the soil phenanthrene concentration increased. Using lyophilized samples, we found that as a result of the enzymatic activity of the root exudates, some of the PAHs and products of PAH degradation were oxidized in the reaction mixture supplemented with the mediating agents (ABTS or DL-DOPA) but that no oxidation was observed in the reaction mixtures without the mediators. The revealed enzymatic activity of the sorghum root exudates may indicate the involvement of the root-released oxidoreductases in rhizospheric degradation of PAHs and/or their derivatives. In addition, from the data obtained, the coupling of plant and microbial metabolisms of PAHs in the rhizosphere may be surmised.
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Affiliation(s)
- Anna Muratova
- Institute of Biochemistry and Physiology of Plants and Microorganisms of the Russian Academy of Sciences, 13 Prospekt Entuziastov, Saratov 410049, Russia.
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Imfeld G, Braeckevelt M, Kuschk P, Richnow HH. Monitoring and assessing processes of organic chemicals removal in constructed wetlands. Chemosphere 2009; 74:349-362. [PMID: 18996559 DOI: 10.1016/j.chemosphere.2008.09.062] [Citation(s) in RCA: 149] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2008] [Revised: 09/11/2008] [Accepted: 09/12/2008] [Indexed: 05/27/2023]
Abstract
Physical, chemical and biological processes interact and work in concert during attenuation of organic chemicals in wetland systems. This review summarizes the recent progress made towards understanding how the various mechanisms attributed to organic chemicals removal interact to form a functioning wetland. We also discuss the main degradation pathways for different groups of contaminants and examine some of the key characteristics of constructed wetlands that control the removal of organic chemicals. Furthermore, we address possible comprehensive approaches and recent techniques to follow up in situ processes within the system, especially those involved in the biodegradation processes.
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Affiliation(s)
- Gwenaël Imfeld
- Department of Isotope Biogeochemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, Leipzig D-04318, Germany.
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Cofield N, Schwab AP, Banks MK. Phytoremediation of polycyclic aromatic hydrocarbons in soil: part I. Dissipation of target contaminants. Int J Phytoremediation 2007; 9:355-70. [PMID: 18246723 DOI: 10.1080/15226510701603858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Phytoremediation has been demonstrated to be a viable cleanup alternative for soils contaminated with petroleum products. This study evaluated the application of phytoremediation to soil from a manufactured gas plant (MGP) site with high concentrations of recalcitrant, polycyclic aromatic hydrocarbons (PAHs). Two greenhouse studies investigated the potential dissipation and plant translocation of PAHs by fescue (Festuca arundinacea) and switchgrass (Panicum virgatum) in the first experiment and zucchini (Curcubita pepo Raven) in the second. The MGP soil was highly hydrophobic and initially inhibited plant growth. Two unplanted controls were established with and without fertilization. In the first experiment, concentrations of PAHs decreased significantly in all treatments after 12 mo. Plant biomass and microbial numbers were statistically equivalent among plant species. PAH concentrations in plant biomass were negligible for fescue and switchgrass. In the second experiment, zucchini enhanced the dissipation of several PAHs after 90 d of treatment when compared to the unvegetated soil. Plant tissue concentrations of PAHs were not elevated in the zucchini roots and shoots, and PAHs were not detectable in the fruit.
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Affiliation(s)
- Naressa Cofield
- School of Civil Engineering, Purdue University, Lafayette, Indiana 47907, USA
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Khaitan S, Kalainesan S, Erickson L, Kulakow P, Martin S, Karthikeyan R, Hutchinson S, Davis L, Illangasekare T, Ng'oma C. Remediation of sites contaminated by oil refinery operations. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ep.10083] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Abstract
The phytodegradation of organic compounds can take place inside the plant or within the rhizosphere of the plant. Many different compounds and classes of compounds can be removed from the environment by this method, including solvents in groundwater, petroleum and aromatic compounds in soils, and volatile compounds in the air. Although still a relatively new area of research, there are many laboratories studying the underlying science necessary for a wide range of applications for plant-based remediation of organic contaminants.
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Affiliation(s)
- Lee A Newman
- University of South Carolina Arnold School of Public Health, 800 Sumter Street, Columbia, SC 29208, USA.
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