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Shiryaev G, Maleva M, Borisova G, Tripti, Voropaeva O, Kumar A. Phytomitigation potential and adaptive responses of helophyte Typha latifolia L. to copper smelter-influenced heavily multi-metal contamination. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-25973-y. [PMID: 36862298 DOI: 10.1007/s11356-023-25973-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
The present study of phytomitigation potential and adaptive physiological and biochemical responses of helophyte Typha latifolia L. growing in water bodies at different distances from the century-old copper smelter (JSC "Karabashmed" Chelyabinsk Region, Russia) was conducted for the first time. This enterprise is one of the most dominant sources of multi-metal contamination for water and land ecosystems. The aim of the research was to assess the heavy metal (Cu, Ni, Zn, Pb, Cd, Mn, and Fe) accumulation, the photosynthetic pigment complex, and some redox reactions in T. latifolia from six differently technogenic impacted sites. In addition, the quantity of mesophilic aerobic and facultative anaerobic microorganisms (QMAFAnM) in rhizosphere sediments, as well as some plant growth-promoting (PGP) attributes of 50 isolates from each site, were determined. The water and sediment metal concentrations in highly contaminated sites exceeded the permissible/critical limits and were found much higher than that previously reported by other researchers while studying this helophyte. Both the degree of contamination and geoaccumulation indexes further elucidated extremely high contamination due to prolonged activity of copper smelter. T. latifolia accumulated significantly higher concentrations of the most of studied metals in its roost and rhizome with meager transfer to leaves (the translocation factors were less than one). Spearman's rank correlation coefficient showed a strong positive correlation between the metal concentration in sediments and its content in T. latifolia leaves (rs = 0.786 at p < 0.001 on average) and roots/rhizome (rs = 0.847 at p < 0.001 on average). In highly contaminated sites, the folia content of chlorophyll a and carotenoids decreased (by 30 and 38%, respectively), while lipid peroxidation enhanced (by 42%) on average compared to S1-S3 sites. These responses were accompanied by increasing non-enzymatic antioxidant content (soluble phenolic compounds, free proline, and soluble thiols) that allow plants to resist under significant anthropogenic loads. QMAFAnM in the five studied rhizosphere substrates varied insignificantly (2.5 × 106 - 3.8 × 107 cfu g-1 DW) and was decreased only in the most contaminated site (4.5 × 105). The proportion of rhizobacteria capable of fixing atmospheric nitrogen decreased by 1.7 times, solubilizing phosphates by 1.5 times, and synthesizing indol-3-acetic acid by 1.4 times in highly contaminated sites, while the amount of siderophore, 1-aminocyclopropane-1-carboxylate deaminase, and HCN producing bacteria did not considerably change. The results indicate high resistance of T. latifolia to prolonged technogenic impact, probably due to compensatory adaptive changes in the nonenzymatic antioxidant level and presence of beneficial microorganisms. Thus, T. latifolia was found to be a promising metal-tolerant helophyte that could help in mitigation of metal toxicity due to their phytostabilization even in heavily contaminated environment.
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Affiliation(s)
- Gregory Shiryaev
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Maria Maleva
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Galina Borisova
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Tripti
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Olga Voropaeva
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Adarsh Kumar
- Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia.
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Li J, Wang Y, Cui J, Wang W, Liu X, Chang Y, Yao D, Cui J. Removal effects of aquatic plants on high-concentration phosphorus in wastewater during summer. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 324:116434. [PMID: 36352733 DOI: 10.1016/j.jenvman.2022.116434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/26/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Aquatic plants are widely used in depth treatment of wastewater; however, the phosphorus (P) removal mechanisms of aquatic plants at high temperatures in summer are not well understood. Eight aquatic plants, including two floating species (Ludwigia peploides and Hydrocharis dubia) and six emergent species (Lythrum salicaria, Sagittaria sagittifolia, Canna indica, Sparganium stoloniferum, Rotala rotundifolia, and Ludwigia ovalis), were treated with five P solutions (3.0, 3.5, 4.0, 4.5, and 5.5 mg L-1) for 5 weeks in a greenhouse during summer at air temperatures ranging from 25 to 35 °C. H. dubia, L. peploides, L. salicaria, and S. sagittifolia showed high water P removal efficiencies (exceeded 95%). Furthermore, their corresponding residual P concentrations in water were almost lower than the limit value of 0.2 mg L-1 of Grade III in the Chinese Environmental Quality Atandards for Surface Water (GB3838-2002). Plants have different water P removal paths. For example, H. dubia enriched more P with water P concentration increasing significantly. As the culture time increased, the water pH fluctuated significantly in the fall, and then H. dubia used the produced H+ enrich P. L. peploides did not enrich P, but proliferated rapidly, to remove P from water by increasing its fresh weight (FW). L. salicaria and S. sagittifolia showed two paths of enrich-P and FW increase. During the growth process of L. salicaria, the stem diameter and leaf length increased with an increase in P concentration in water or plant or both; however, the height and root length of L. peploides were reduced. Moreover, SOD and CAT activities responded to high P concentrations in water or high temperatures or both, which protected against oxidative damage. These findings could offer theoretical foundation and practical guidance for selection of aquatic plant species in depth treatment of wastewater during summer.
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Affiliation(s)
- Jinfeng Li
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Yihong Wang
- Jiangsu Province Hydraulic Research Institute, Nanjing, 210017, China
| | - Jianwei Cui
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Wei Wang
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Xiaojing Liu
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Yajun Chang
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China
| | - Dongrui Yao
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China.
| | - Jian Cui
- Institute of Botany, Jiangsu Province and Chinese Academy Sciences, Nanjing, 210014, China; Jiangsu Engineering Research Center of Aquatic Plant Resources and Water Environment Remediation, Nanjing, 210014, China.
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Zong X, Wu D, Zhang J, Tong X, Yin Y, Sun Y, Guo H. Size-dependent biological effect of copper oxide nanoparticles exposure on cucumber (Cucumis sativus). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:69517-69526. [PMID: 35567686 DOI: 10.1007/s11356-022-20662-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
Copper oxide nanoparticles (CuO NPs) have received considerable attention for their toxic effects on crops and potential application in agriculture. In order to investigate the biological effects of CuO NPs on plants, we exposed cucumber (Cucumis sativus) to two sizes of CuO NPs (510 nm, μCuO and 43 nm, nCuO). Results indicated that with concentration increased, the available Cu content in soil increased significantly. The addition of CuO NPs increased Cu content and other nutrient element (e.g., K, P, Mn, and Zn) content in plants. However, diverse particle sizes had different effects. The nCuO treatment had larger translocation factor, higher nutrient element content in fruits, and lower oxidative damage than μCuO treatment. Moreover, nCuO of 100 mg/kg could stimulate cucumber growth, while μCuO had no obvious effects on growth. Conclusively, CuO NPs could be used as copper fertilizer to supply copper to cucumber. The nCuO had better effects on improving the bioavailability of Cu and nutritional value of fruits. These results can help develop strategies for safe disposal of CuO NPs as agricultural fertilizer.
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Affiliation(s)
- Xueying Zong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Di Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Juanjuan Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Xin Tong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Ying Yin
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China.
| | - Yuanyuan Sun
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Surficial Geochemistry, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China
| | - Hongyan Guo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
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Junaidi, Nuringtyas TR, Clément-Vidal A, Flori A, Syafaah A, Oktavia F, Ismawanto S, Aji M, Subandiyah S, Montoro P. Analysis of reduced and oxidized antioxidants in Hevea brasiliensis latex reveals new insights into the regulation of antioxidants in response to harvesting stress and tapping panel dryness. Heliyon 2022; 8:e09840. [PMID: 35815130 PMCID: PMC9260451 DOI: 10.1016/j.heliyon.2022.e09840] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/22/2022] [Accepted: 06/22/2022] [Indexed: 11/30/2022] Open
Abstract
Latex diagnosis (LD) is applied to optimize the natural rubber production and prevent tapping panel dryness (TPD), a physiological syndrome affecting latex production in Hevea brasiliensis. The reduced thiol content (RSH) is one of the biochemical parameters associated with the risk of TPD. However, RSH is difficult to interpret because of the influence of the environment. In order to better understand the regulation of antioxidants and to better interpret RSH, a key parameter of LD, this study analysed in latex both oxidised and reduced forms of ascorbic acid (AsA) and glutathione, and their cofactors as well as other latex diagnosis parameters in response to harvesting stress (tapping and ethephon stimulation) and TPD occurrence. The content of antioxidants in latex had a high variability among five rubber clones. The concentration in AsA was about ten times higher than GSH in laticifer, GSH accounting for about 50% of RSH. For short-term harvesting stress, RSH increased with tapping frequency and ethephon stimulation. TPD is associated with high latex viscosity and bursting of lysosomal particles called lutoids, as well as for several rubber clones with lower RSH and GSH contents. These results suggest that a high level of RSH shows the capacity of laticifer metabolism to cope with harvesting stress, while a drop in RSH is the sign of long stress related to lower metabolic activity and TPD occurrence. RSH remains an essential physiological parameter to prevent TPD when associated with reference data under low and high harvesting stress. This study paves the way to understand the role of AsA and GSH, and carry out genetic studies of antioxidants.
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Bielmyer-Fraser G, Llazar K, Ward A, Trent T, Goldberg N. Metal analysis of submerged aquatic vegetation in the lower St. Johns River, Florida. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:492. [PMID: 35687160 DOI: 10.1007/s10661-022-10159-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
The St. Johns River, Florida's longest river, is threatened by a variety of factors, including anthropogenic disturbances and global climate changes. Metal pollution in the Lower St. Johns River (LSJR) in Northeast Florida has been well documented. Submerged aquatic vegetation (SAV) are ecologically important plant species, known to accumulate metals and other pollutants from their surrounding environments, and have been declining in the LSJR in recent years. In this study, eight SAV taxa (Vallisneria americana, Ruppia maritima, Chara sp., Najas guadalupensis, Eleocharis sp., Hydrilla verticillata, Zannichellia palustris, and Sagittaria subulata) were collected along the LSJR from Central Florida northward to Jacksonville and the Atlantic Ocean. More than 200 SAV samples were identified, digested, and measured for a suite of metals. Mean (± standard deviation) metal concentrations in µg/g dry mass in all taxa sampled were 1.76 (± 2.75) cadmium, 35.8 (± 52.24) copper, 4.16 (± 5.74) lead, 119 (± 229) nickel, 0.98 (± 1.40) silver, and 203 (± 376) zinc. SAV metal concentrations varied across species and collection sites. In general, Z. palustris and Eleocharis sp. had the highest metal concentrations. Furthermore, a comparison of SAV metal concentrations to sediment quality guidelines for the LSJR indicated that toxicity may occur to biota exposed to these SAV. This study provides new data about SAV health in the LSJR and may help in the development of new management strategies.
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Affiliation(s)
| | - Ksenja Llazar
- Jacksonville University, 2800 University Blvd. North, Jacksonville, FL, 32211, USA
| | - Ashlen Ward
- Jacksonville University, 2800 University Blvd. North, Jacksonville, FL, 32211, USA
| | - Tiffany Trent
- St. Johns River Water Management District, Palatka, FL, USA
| | - Nisse Goldberg
- Jacksonville University, 2800 University Blvd. North, Jacksonville, FL, 32211, USA
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Wdowczyk A, Szymańska-Pulikowska A. Micro- and Macroelements Content of Plants Used for Landfill Leachate Treatment Based on Phragmites australis and Ceratophyllum demersum. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19106035. [PMID: 35627572 PMCID: PMC9141712 DOI: 10.3390/ijerph19106035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/12/2022] [Accepted: 05/13/2022] [Indexed: 12/04/2022]
Abstract
One of the key problems associated with the functioning of landfills is the generation of leachate. In order to reduce their negative impact on the environment, various treatment technologies are applied. Among them, solutions based on the use of phytotechnology deserve special attention. The aim of this study was to evaluate the impact of landfill leachate on the content of micro- and macroelements in plant material. The research was carried out in four municipal waste landfills located in Poland. Emergent macrophytes (P. australis) and submergent macrophytes (C. demersum) were used in this research. The migration and distribution of pollutants reaching the roots and shoots of P. australis from water solutions were also studied. The concentrations of heavy metals in the studied plants were low in all analysed cases. Higher metal contents could often be observed in roots rather than in shoots, but these differences were insignificant. The chemical composition of the studied plant samples was primarily related to the source of origin of the treated leachate (landfill), as clearly demonstrated by cluster analysis. In the conducted studies, no important differences were noted in the accumulation of the studied components between submergent plants (C. demersum) and emergent macrophytes (P. australis).
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Krayem M, Khatib SE, Hassan Y, Deluchat V, Labrousse P. In search for potential biomarkers of copper stress in aquatic plants. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 239:105952. [PMID: 34488000 DOI: 10.1016/j.aquatox.2021.105952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/21/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Over the last few decades, the use of pesticides and discharge of industrial and domestic wastewater on water surfaces have increased. Especially, Copper (Cu) pollution in aquatic ecosystems could constitute a major health problem, not only for flora and fauna but also for humans. To cope with this challenge, environmental monitoring studies have sought to find Cu-specific biomarkers in terrestrial and aquatic flora and/or fauna. This review discusses the toxic effects caused by Cu on the growth and development of plants, with a special focus on aquatic plants. While copper is considered as an essential metal involved in vital mechanisms for plants, when in excess it becomes toxic and causes alterations on biomarkers: biochemical (oxidative stress, pigment content, phytochelatins, polyamines), physiological (photosynthesis, respiration, osmotic potential), and morphological. In addition, Cu has a detrimental effect on DNA and hormonal balance. An overview of Cu toxicity and detoxification in plants is provided, along with information regarding Cu bioaccumulation and transport. Awareness of the potential use of these reactions as specific biomarkers for copper contamination has indeed become essential.
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Affiliation(s)
- Maha Krayem
- LIU, Lebanese International University, Bekaa Campus, Al Khyara-West Bekaa, Lebanon; Université de Limoges, PEIRENE EA 7500, Limoges, France
| | - S El Khatib
- LIU, Lebanese International University, Bekaa Campus, Al Khyara-West Bekaa, Lebanon
| | - Yara Hassan
- LIU, Lebanese International University, Bekaa Campus, Al Khyara-West Bekaa, Lebanon
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Souri Z, Karimi N, Farooq MA, da Silva Lobato AK. Improved physiological defense responses by application of sodium nitroprusside in Isatis cappadocica Desv. under cadmium stress. PHYSIOLOGIA PLANTARUM 2021; 173:100-115. [PMID: 33011999 DOI: 10.1111/ppl.13226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 09/08/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
Isatis cappadocica is a well-known arsenic-hyperaccumulator, but there are no reports of its responses to cadmium (Cd). Nitric oxide (NO) is a signaling molecule, which induces cross-stress tolerance and mediates several physio-biochemical processes related to heavy metal toxicity. In this study, the effects of Cd and sodium nitroprusside (SNP as NO donor) on the growth, defense responses and Cd accumulation in I. cappadocica were investigated. When I. cappadocica was treated with 100 and 200 μM Cd, there was an insignificant inhibition of shoot growth. However, Cd stress at Cd400 treatment decreased significantly the dry weight of root and shoot by 73 and 38%, respectively, as compared to control. The application of SNP significantly improved the growth parameters and mitigated Cd toxicity. In addition, SNP decreased reactive oxygen species (ROS) production induced by Cd. The increased total thiol and glutathione (GSH) concentrations after SNP application may play a decisive role in maintaining cellular redox homeostasis, thereby protecting plants against oxidative damage under Cd stress. Bovine hemoglobin (Hb as NO scavenger) reduced the protective role of SNP, suggesting a major role of NO in the defensive effect of SNP. Furthermore, the reduction in shoot growth and the increase of oxidative damage were more severe after the addition of Hb, which confirms the protective role of NO against Cd-induced oxidative stress. The protective role of SNP in decreasing Cd-induced oxidative stress may be related to NO production, which can lead to stimulation of the thiols synthesis and improve defense system.
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Affiliation(s)
- Zahra Souri
- Laboratory of plant physiology, Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Naser Karimi
- Laboratory of plant physiology, Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran
| | - Muhammad A Farooq
- Agri. Services Department, Fauji Fertilizer Company Limited, Multan, Pakistan
| | - Allan K da Silva Lobato
- Núcleo de Pesquisa Vegetal Básica e Aplicada, Universidade Federal Rural da Amazonia, Paragominas, Brazil
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Kumar A, Maleva M, Borisova G, Chukina N, Morozova M, Kiseleva I. Nickel and copper accumulation strategies in Odontarrhena obovata growing on copper smelter-influenced and non-influenced serpentine soils: a comparative field study. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:1401-1413. [PMID: 32347513 DOI: 10.1007/s10653-020-00575-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
The present investigation is the first in situ comparative study for the identification of Ni and Cu accumulation strategies involved in Odontarrhena obovata (syn. Alyssum obovatum (C.A. Mey.) Turcz.) growing in Cu-rich smelter-influenced (CSI) and non-Cu-influenced (NCI) sites. The total and Na2EDTA (disodium ethylenediaminetetraacetic acid)-extractable metal concentration in soils and plant tissues (roots, stem, leaves and flowers) were determined for CSI and NCI sites. High concentrations of total Ni, Cr, Co and Mg in the soil suggest serpentine nature of both the sites. In spite of high total and extractable Cu concentrations in CSI soil, majority of its accumulation was restricted to O. obovata roots showing its excluder response. Since the translocation and bioconcentration factors of Ni > 1 and the foliar Ni concentration > 1000 μg g-1, it can be assumed that O. obovata has Ni hyperaccumulation potential for both the sites. No significant differences in chlorophyll content in O. obovata leaves were observed between studied sites, suggesting higher tolerance of this species under prolonged heavy metal stress. Furthermore, this species from CSI site demonstrated rather high viability under extreme technogenic conditions due to active formation of antioxidants such as ascorbate, free proline and protein thiols. The presence of Cu in higher concentration in serpentine soil does not exert detrimental effect on O. obovata and its Ni hyperaccumulation ability. Thus, O. obovata could act as a putative plant species for the remediation of Cu-rich/influenced serpentine soils without compromising its Ni content and vitality.
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Affiliation(s)
- Adarsh Kumar
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia.
| | - Maria Maleva
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Galina Borisova
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Nadezhda Chukina
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Maria Morozova
- Department of Analytical and Environmental Chemistry, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
| | - Irina Kiseleva
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, Russia
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Lara-Almazán N, Zarazúa-Ortega G, Ávila-Pérez P, Barrera-Díaz CE, Cedillo-Cruz A. Validation and uncertainty estimation of analytical method for quantification of phytochelatins in aquatic plants by UPLC-MS. PHYTOCHEMISTRY 2021; 183:112643. [PMID: 33421889 DOI: 10.1016/j.phytochem.2020.112643] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 06/12/2023]
Abstract
Phytochelatins (PCs) are peptides that play an important role in homeostasis and detoxification of heavy metal in plants. Furthermore, they have been proposed as earlier potential biomarkers of aquatic pollution by heavy metals. Nowadays, several researchers have reported on current methods for quantification of glutathione (GSH) and the PCs (phytochelatin 2, phytochelatin 3, phytochelatin 4) quantification in plants. However, no method has reported the uncertainty of the measurement, which helps to improve the accuracy and quality assurance in the PC quantification. In this work, a new methodology using ultra-high-performance liquid chromatography coupled to mass spectrometry (UPLC-MS) to measure with high precision and accuracy the PCs in aquatic plants, was validated. Selectivity, linearity, limit of detection, limit of quantification, precision, trueness and uncertainty estimation were examined as parts of the method validation. The described method shows excellent linearity in different ranges for all analytes with coefficients of determination higher than 0.99. The relative standard deviation for intra-day precision was <3% and for inter-day <10%. All LOD and LOQ analytes ranged from 0.02 to 0.08 μg ml-1, and from 0.03 to 0.09 μg ml-1, respectively. The recoveries varied from 61% to 89%. In order to obtain an interval of results with the highest confidence levels, the uncertainty associated with the measurements was evaluated. The calibration curve (>50%) and recovery (19-44%) were the most important contributors to the total uncertainty. The proposed method was applied to quantify GSH and PCs in the aquatic plants Lemna gibba L., Myriophyllum heterophyllum Michx., Arenaria paludicola and Hydrocotyle ranunculoides L. fil., showing statistical differences in the mass fraction of the analytes.
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Affiliation(s)
- Nancy Lara-Almazán
- Faculty of Chemistry, Autonomous University of the State of Mexico, Toluca, Mexico; National Nuclear Forensic Research Laboratory (LANAFONU), National Institute for Nuclear Research, Ocoyoacac, Mexico
| | - Graciela Zarazúa-Ortega
- National Nuclear Forensic Research Laboratory (LANAFONU), National Institute for Nuclear Research, Ocoyoacac, Mexico.
| | - Pedro Ávila-Pérez
- Division of Graduate Studies, Technological Institute of Toluca, Toluca, Mexico
| | | | - Alberto Cedillo-Cruz
- National Nuclear Forensic Research Laboratory (LANAFONU), National Institute for Nuclear Research, Ocoyoacac, Mexico
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Kumar A, Voropaeva O, Maleva M, Panikovskaya K, Borisova G, Rajkumar M, Bruno LB. Bioaugmentation with copper tolerant endophyte Pseudomonas lurida strain EOO26 for improved plant growth and copper phytoremediation by Helianthus annuus. CHEMOSPHERE 2021; 266:128983. [PMID: 33272662 DOI: 10.1016/j.chemosphere.2020.128983] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/28/2020] [Accepted: 11/12/2020] [Indexed: 06/12/2023]
Abstract
Organic fertilizers became a better alternative to chemical fertilizers in modern agricultural practices however, contamination of copper (Cu) from organic fertilizer is still a major concern for the globe. Plant growth promoting (PGP) microorganisms showed their efficiency to combat with this problem and thus Cu tolerant PGP endophytes from roots of Odontarrhena obovata (Alyssum obovatum) growing on Cu smelter contaminated serpentine soil were explored in present study. Out of twenty-four isolates, Pseudomonas lurida strain EOO26 identified by 16s rRNA gene sequencing was selected to check its efficacy for Cu-remediation. The strain EOO26 showed multi-metal tolerance, drought resistance and exhibited PGP attributes such as 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase, siderophore and ammonia production. Significant production of indole-3-acetic acid and phosphate-solubilization under different Cu concentration (0-100 mg L-1) at varying pH (5.0-8.0) suggests potentiality of this strain to work effectively under wide range of abiotic stress conditions. Plant growth experiment (pH 6.8 ± 0.3) in copper spiked soil suggested a significant increase in length and dry weight of root and shoot of sunflower (Helianthus annuus) after inoculation with strain EOO26. Plants inoculated with strain EOO26 resulted in increase in Cu uptake by 8.6-fold for roots and 1.9-fold for leaves than uninoculated plants. The total plant uptake in inoculated Cu treatment was 2.6-fold higher than uninoculated one, which is much higher than the previously reported Cu accumulating plants. The excellent adaptation abilities and promising metal removal efficiency strongly indicate superiority of strain EOO26 for phytoremediation of Cu-contamination and may work effectively for Cu removal from contaminated soils.
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Affiliation(s)
- Adarsh Kumar
- Laboratory of Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russia
| | - Olga Voropaeva
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russia
| | - Maria Maleva
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russia
| | - Ksenia Panikovskaya
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russia
| | - Galina Borisova
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg, 620002, Russia
| | - Mani Rajkumar
- Department of Environmental Sciences, Bharathiar University, Coimbatore, 641046, India
| | - L Benedict Bruno
- Department of Environmental Sciences, Bharathiar University, Coimbatore, 641046, India
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12
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Li Y, Liu K, Zhu J, Jiang Y, Huang Y, Zhou Z, Chen C, Yu F. Manganese accumulation and plant physiology behavior of Camellia oleifera in response to different levels of nitrogen fertilization. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 184:109603. [PMID: 31473561 DOI: 10.1016/j.ecoenv.2019.109603] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/19/2019] [Accepted: 08/22/2019] [Indexed: 05/28/2023]
Abstract
Manganese (Mn) pollution in soil, especially around the mining areas, is a severe problem in China. Seeking for effective remediation methods for Mn-contaminated soil is therefore urgent and necessary. Camellia oleifera (C. oleifera) is one of the world's four major woody oil plants, which is widely cultivated in subtropical acidic soils for oil production and has become an important economic and ecological resource in Guangxi Province. Nitrogen (N) is one of the most common limiting factors for plant growth and development in soils. We carried out this study to evaluate the effects of different N fertilization levels (0, 100, 300 and 500 mg kg-1) on the morphological and physiological characteristics of C. oleifera in two soils with different Mn-contamination degrees. The results indicate that N fertilization affected the plant growth and the content of photosynthetic pigments, while C. oleifera accumulated great amounts of Mn in both soils. However, the plant biomass reduced significantly at the high-level N fertilization (≥300 mg kg-1), and the oxidative stress was stimulated under Mn contamination. As a comparison, the plant biomass remained unaffected at the low-level N fertilization (100 mg kg-1), and the ascorbate peroxidase (APX) activity in C. oleifera leaves were enhanced to alleviate the oxidative stress and therefore protecting the plant from Mn contamination. Meanwhile, plants supplemented with a low-level of N fertilizer (100 mg kg-1) had appropriate antioxidant enzyme and nonenzymatic antioxidant activities, which indicates that this was favorable growth conditions for C. oleifera. Thus, the recommended N fertilization level for maintaining plant biomass and increasing Mn accumulation in plant is 100 mg kg-1 N; at which level the efficiency of Mn phytoremediation by C. oleifera can be further enhanced.
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Affiliation(s)
- Yi Li
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guangxi Normal University, 541004, Guilin, China; College of Environment and Resource, Guangxi Normal University, 541004, Guilin, China
| | - Kehui Liu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; College of Life Science, Guangxi Normal University, 541004, Guilin, China
| | - Jing Zhu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guangxi Normal University, 541004, Guilin, China; College of Environment and Resource, Guangxi Normal University, 541004, Guilin, China
| | - Yongrong Jiang
- College of Life and Environmental Science, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Yuanyuan Huang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China
| | - Zhenming Zhou
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guangxi Normal University, 541004, Guilin, China; College of Environment and Resource, Guangxi Normal University, 541004, Guilin, China
| | - Chaoshu Chen
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guangxi Normal University, 541004, Guilin, China; College of Environment and Resource, Guangxi Normal University, 541004, Guilin, China
| | - Fangming Yu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, China; Key Laboratory of Karst Ecology and Environment Change of Guangxi Department of Education, Guangxi Normal University, 541004, Guilin, China; College of Environment and Resource, Guangxi Normal University, 541004, Guilin, China.
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13
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Geng N, Wu Y, Zhang M, Tsang DCW, Rinklebe J, Xia Y, Lu D, Zhu L, Palansooriya KN, Kim KH, Ok YS. Bioaccumulation of potentially toxic elements by submerged plants and biofilms: A critical review. ENVIRONMENT INTERNATIONAL 2019; 131:105015. [PMID: 31369978 DOI: 10.1016/j.envint.2019.105015] [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] [Received: 11/19/2018] [Revised: 07/10/2019] [Accepted: 07/11/2019] [Indexed: 05/28/2023]
Abstract
The accumulation of potentially toxic elements (PTEs) in aquatic ecosystems has become a global concern, as PTEs may exert a wide range of toxicological impacts on aquatic organisms. Submerged plants and the microorganisms attached to their surfaces, however, have displayed great potential as a means of coping with such pollution. Therefore, it is crucial to understand the transport pathways of PTEs across sediment and organisms as well as their accumulation mechanisms in the presence of submerged plants and their biofilms. The majority of previous studies have demonstrated that submerged plants and their biofilms are indicators of PTE pollution in the aquatic environment, yet relatively little is known about PTE accumulation in epiphytic biofilms. In this review, we describe the transport pathways of PTEs in the aquatic environment in order to offer remarkable insights into bioaccumulation mechanisms in submerged plants and their biofilms. Based on the literature cited in this review, the roles of epiphytic biofilms in bioaccumulation and as an indicator of ecosystem health are discussed.
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Affiliation(s)
- Nan Geng
- College of Water Conservancy and Environment Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou, China; Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Yichao Wu
- State Key Laboratory of Agricultural Microbiology, College of Resources and Environment, Huazhong Agricultural University, Wuhan, China
| | - Ming Zhang
- Department of Environmental Engineering, China Jiliang University, Hangzhou, China
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Jörg Rinklebe
- School of Architecture and Civil Engineering, Institute of Soil Engineering, Waste- and Water Science, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, Seoul, Republic of Korea
| | - Yinfeng Xia
- College of Water Conservancy and Environment Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou, China; Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Debao Lu
- College of Water Conservancy and Environment Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou, China; Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Lifang Zhu
- College of Water Conservancy and Environment Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou, China
| | - Kumuduni Niroshika Palansooriya
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Ki-Hyun Kim
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, Republic of Korea.
| | - Yong Sik Ok
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI) & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.
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Demarco CF, Afonso TF, Pieniz S, Quadro MS, Camargo FADO, Andreazza R. Phytoremediation of heavy metals and nutrients by the Sagittaria montevidensis into an anthropogenic contaminated site at Southern of Brazil. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2019; 21:1145-1152. [PMID: 31088309 DOI: 10.1080/15226514.2019.1612843] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The evaluation of plants occurring naturally at contaminated environments are essential for applying this species in remediation techniques. In this context, the Sagittaria montevidensis with potential for phytoremediation was studied at an anthropogenic polluted stream in southern Brazil. The nutrients and heavy metal content were determined in the phytomass. The phytoremediation indexes were evaluated such as bioconcentration factor (BCF), translocation factor (TF), plant effective number (PEN), and potential phytoremoval (mg m-2). The S. montevidensis was then detected as presenting natural phytoextraction ability for potassium and calcium elements and also demonstrated rhizofiltration potential for phosphorus, manganese, aluminum, vanadium, sulfur, iron, arsenic, copper, magnesium, zinc, sodium, lead, cadmium, nickel, chromium, considering its ability of bioaccumulating these contaminants and retain high levels in the roots. The highest potential for bioremoval (mg m-2) of the S. montevidensis was detected for potassium and calcium (recommending thus the use for phytoextraction) and for aluminum, phosphorus, iron, magnesium, sulfur, and sodium, along with heavy metals (recommended for rhizofiltration). The S. montevidensis decontamination ability, along with its biomass production and its adaptability represents a great advance in order to the recovery of this degraded area and possible application in other contaminated watercourses in Brazil.
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Affiliation(s)
- Carolina Faccio Demarco
- Environmental Sciences Postgraduate Program, Engineering Center, UFPel , Pelotas , RS , Brazil
| | - Thays França Afonso
- Environmental Sciences Postgraduate Program, Engineering Center, UFPel , Pelotas , RS , Brazil
| | - Simone Pieniz
- Environmental Sciences Postgraduate Program, Engineering Center, UFPel , Pelotas , RS , Brazil
| | | | | | - Robson Andreazza
- Environmental Sciences Postgraduate Program, Engineering Center, UFPel , Pelotas , RS , Brazil
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15
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Waqas MA, Kaya C, Riaz A, Farooq M, Nawaz I, Wilkes A, Li Y. Potential Mechanisms of Abiotic Stress Tolerance in Crop Plants Induced by Thiourea. FRONTIERS IN PLANT SCIENCE 2019; 10:1336. [PMID: 31736993 PMCID: PMC6828995 DOI: 10.3389/fpls.2019.01336] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/25/2019] [Indexed: 05/05/2023]
Abstract
Abiotic stresses, such as temperature extremes, drought, salinity, and heavy metals are major factors limiting crop productivity and sustainability worldwide. Abiotic stresses disturb plant growth and yield formation. Several chemical compounds, known as plant growth regulators (PGRs), modulate plant responses to biotic and abiotic stresses at the cellular, tissue, and organ levels. Thiourea (TU) is an important synthetic PGR containing nitrogen (36%) and sulfur (42%) that has gained wide attention for its role in plant stress tolerance. Tolerance against abiotic stresses is a complex phenomenon involving an array of mechanisms, and TU may modulate several of these. An understanding of TU-induced tolerance mechanisms may help improve crop yield under stress conditions. However, the potential mechanisms involved in TU-induced plant stress tolerance are still elusive. In this review, we discuss the essential role of TU-induced tolerance in improving performance of plants growing under abiotic stresses and potential mechanisms underlying TU-induced stress tolerance. We also highlight exploitation of new avenues critical in TU-induced stress tolerance.
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Affiliation(s)
- Muhammad Ahmed Waqas
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- Laboratory for Agricultural Environment, Ministry of Agriculture, Beijing, China
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
| | - Cengiz Kaya
- Department of Soil Science & Plant Nutrition, Faculty of Agriculture, Harran University, ¸Sanlıurfa, Turkey
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
| | - Adeel Riaz
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Muhammad Farooq
- Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud, Oman
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
- UWA Institute of Agriculture and School of Agriculture & Environment, The University of Western Australia, Perth, WA, Australia
| | - Iqra Nawaz
- Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, China
| | - Andreas Wilkes
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yue Li
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- Laboratory for Agricultural Environment, Ministry of Agriculture, Beijing, China
- *Correspondence: Muhammad Ahmed Waqas, ; Cengiz Kaya, ; Yue Li,
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16
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Lu G, Wang B, Zhang C, Li S, Wen J, Lu G, Zhu C, Zhou Y. Heavy metals contamination and accumulation in submerged macrophytes in an urban river in China. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2018; 20:839-846. [PMID: 29775107 DOI: 10.1080/15226514.2018.1438354] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Deteriorating urban water quality has attracted considerable attention in China. We investigated the contamination levels and distribution of heavy metals (As, Cd, Cu, Ni, Pb, and Zn) in Yuxi River water and sediments, and assessed the heavy metal accumulation capability of five species of submerged macrophytes: Vallisneria natans (Lour.) Hara, Potamogeton pectinatus L., Hydrilla verticillata (L. f.) Royle, Myriophyllum spicatum L., and Potamogeton crispus L. Samples were collected from upstream and downstream locations in different season. The results showed that the levels of heavy metals in the downstream areas were higher than in the upstream areas. Heavy metal concentrations in the river water during the dry seasons were higher than those during the rainy seasons, and the opposite results appeared in sediments and submerged macrophytes. In general, the river was slightly contaminated by heavy metals, and the concentrations of Pb and Ni in this river should serve as a warning, while Cd and Zn pollution in the sediments desperately needs to be removed. Furthermore, Potamogeton pectinatus L. showed a higher accumulation capacity for these metals among the five native submerged macrophytes and could be defined as a hyperaccumulator for Cd. Therefore, the potential use of native aquatic plants in contaminated rivers is worth further exploration.
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Affiliation(s)
- Guangqiu Lu
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
| | - Bei Wang
- b College of Environmental Science and Engineering, Hunan University , Changsha , P.R. China
| | - Cuiping Zhang
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
| | - Shuying Li
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
| | - Jiliang Wen
- c Stated-owned Assets Management Bureau, Yuxi Normal University , Yuxi , P.R. China
| | - Guoli Lu
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
| | - Chunrong Zhu
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
| | - Yuanqing Zhou
- a Research Center for Pollution Control and Ecological Restoration, Yuxi Normal University , Yuxi , P.R. China
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17
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Maleva M, Borisova G, Chukina N, Kumar A. Urea increased nickel and copper accumulation in the leaves of Egeria densa (Planch.) Casp. and Ceratophyllum demersum L. during short-term exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 148:152-159. [PMID: 29040823 DOI: 10.1016/j.ecoenv.2017.10.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 10/02/2017] [Accepted: 10/04/2017] [Indexed: 06/07/2023]
Abstract
In the present study, two fresh water plant species Egeria densa (Planch.) Casp. and Ceratophyllum demersum L. were subjected to separate and combined action of urea (2mМ) and metals (Ni and Cu, 10μM) to investigate the phytoremediation potential of these two submerged macrophytes during short-term experiments (48h). Both submerged macrophytes demonstrated high accumulative potential for Ni and Cu (average bioconcentration factors were 2505 for Ni and 3778 for Cu). The urea (2 mM) was not significantly toxic for studied plant species. Futhermore, urea worked as an additional source of nitrogen and stimulated some metabolic processes such as the synthesis of photosynthetic pigments, soluble proteins, non-enzymatic antioxidants, and activated some enzymes. Adding urea to the metals increased their accumulation in both macrophytes (on average by 35% for Ni and 15% for Cu). Combined action of urea and Ni did not have a significant effect on antioxidant response, but caused a sharp increase of urease activity (4 folds on an average) in both plants. The copper exerted a stronger toxic effect on both studied macrophytes compared to nickel. Adding urea to copper in some cases diminished the toxic action of this metal. Study concludes that the responses of E. densa and C. demersum to urea and metal action (separate and combined) were depended on the type of pollutant and the activity of antioxidant defence system. Therefore, the studied aquatic macrophytes found to be potential phytoremediators of water bodies, the addition of an organic nitrogen source in the form of urea in environmentally relevant concentration will increase the efficiency of phytoextraction of metals.
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Affiliation(s)
- Maria Maleva
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Mira str., 19, Ekaterinburg 620002, Russia
| | - Galina Borisova
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Mira str., 19, Ekaterinburg 620002, Russia
| | - Nadezhda Chukina
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Mira str., 19, Ekaterinburg 620002, Russia
| | - Adarsh Kumar
- Department of Experimental Biology and Biotechnology, Institute of Natural Sciences and Mathematics, Ural Federal University, Mira str., 19, Ekaterinburg 620002, Russia.
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