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Cao X, Chen Q, Xu L, Zhao R, Li T, Ci L. The intrinsic and extrinsic mechanisms regulated by functional carbon nanodots for the phytoremediation of multi-metal pollution in soils. J Hazard Mater 2024; 462:132646. [PMID: 37837777 DOI: 10.1016/j.jhazmat.2023.132646] [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: 12/21/2022] [Revised: 06/24/2023] [Accepted: 09/25/2023] [Indexed: 10/16/2023]
Abstract
Functional carbon nanodots (FCNs) were currently demonstrated to regulate plant behavior in the agricultural and environmental areas. However, their regulation mechanisms on the interactions of plant-soil system during phytoremediation remain unrevealed. Here, Solanum nigrum L. was employed to explore the intrinsic and extrinsic mechanisms regulated by FCNs in the phytoremediation of Cd-Pb co-contaminated soils. The mediation of FCNs on metal removal and plant growth showed a hormesis manner, wherein the maximum induction effect was contributed by 15 mg kg-1 FCNs. Cd/Pb removal were enhanced by 8.5% and 31.6%, respectively. Moreover, FCNs reallocate metal distribution in plant by immobilized metals in roots and suppressed metal translocation to leaves. Improving plant growth (by 82.8% for root), stimulating plant hormesis, and activating plant detoxification pathways are the intrinsic mechanism for the phytoremediation smartly regulated by FCNs. Notably, FCNs induced soil enzyme activities that associated with soil nutrients recycling, up-regulated the microbial diversity and the soil immune system, and regulated S. nigrum L. to recruit beneficial microbials in the rhizosphere. The above-mentioned comprehensive improvement of soil micro-environment is the extrinsic mechanism regulated by FCNs. This study provides new insights to evaluate the interactions of nanomaterials with plant-soil system under soil contamination.
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Affiliation(s)
- Xiufeng Cao
- School of Municipal & Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Qiong Chen
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, PR China.
| | - Liang Xu
- Shandong Taixing Advanced Material Co., LTD., Shandong Energy Group, Jinan 250204, PR China
| | - Rui Zhao
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, PR China
| | - Tao Li
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, PR China
| | - Lijie Ci
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China; Research Center for Carbon Nanomaterials, Key Laboratory for Liquid-Solid Structural Evolution & Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, PR China.
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Zeng P, Guo Z, Xiao X, Zhou H, Gu J, Liao B. Tolerance capacities of Broussonetia papyrifera to heavy metal(loid)s and its phytoremediation potential of the contaminated soil. Int J Phytoremediation 2021; 24:580-589. [PMID: 34369831 DOI: 10.1080/15226514.2021.1958746] [Citation(s) in RCA: 2] [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] [Indexed: 06/13/2023]
Abstract
Broussonetia papyrifera, is a promising fast-growing woody plant for the phytoremediation of heavy metal(loid) (HM)-contaminated soil. In this study, a greenhouse experiment was conducted to explore the tolerance capacities of B. papyrifera and its phytoremediation potential in the HM-contaminated soil. The results indicated that B. papyrifera could effectively decrease malondialdehyde (MDA) content by enhancing the antioxidant enzyme activities along with the cultivation in the HM-contaminated soil. Significant (p < 0.05) negative relationships were found between MDA content and superoxide dismutase (r = -0.620) and catalase activities (r = -0.702) in B. papyrifera leaves. Fourier Transform Infrared Spectroscopy analysis indicated that the main functional groups in B. papyrifera roots were slightly influenced by HMs, and organic acids, carbohydrates, protein, and amino acids might bind with HMs in plant roots to alleviate the adverse effect of HMs on plants growth. Meanwhile, B. papyrifera had great potential used for the phytoextraction of Cd and Zn in HM-contaminated soil. The maximum total Cd and Zn accumulation amount in B. papyrifera shoots could attach to 2.26 and 66.8 mg·pot-1, respectively. These observations suggested that B. papyrifera has large biomass and high tolerance to HMs, which can be regarded as a promising plant for the eco-remediation of HM-contaminated sites.Novelty statement In this study, a fast-growing woody plant, Broussonetia papyrifera, was used for heavy metal(loid) (HM)-contaminated soil remediation. We found that B. papyrifera can effectively alleviate the adverse effect of HMs on plant growth by enhancing the antioxidant enzyme activities in leaves and binding HMs with organic acids, carbohydrates, protein, and amino acids in roots. Furthermore, the maximum total Cd and Zn accumulation amount in B. papyrifera shoots could attach to 2.26 and 66.8 mg·pot-1, which suggested that B. papyrifera might be regarded as a promising woody plant used for the phytoextraction of Cd and Zn in the contaminated soil.
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Affiliation(s)
- Peng Zeng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, China
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Zhaohui Guo
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Xiyuan Xiao
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Hang Zhou
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Jiaofeng Gu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, China
| | - Bohan Liao
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, China
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Han R, Dai H, Yang C, Wei S, Xu L, Yang W, Dou X. Enhanced phytoremediation of cadmium and/or benzo(a)pyrene contaminated soil by hyperaccumlator Solanum nigrum L. Int J Phytoremediation 2018; 20:862-868. [PMID: 29873541 DOI: 10.1080/15226514.2018.1438357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 06/08/2023]
Abstract
The role of same amendment on phytoremediating different level contaminated soils is seldom known. Soil pot culture experiment was used to compare the strengthening roles of cysteine (CY), EDTA, salicylic acid (Sa), and Tween 80 (TW) on hyperaccumulator Solanum nigrum L. phytoremediating higher level of single cadmium (Cd) or Benzo(a)pyrene (BAP) and their co-contaminated soils. Results showed that the Cd capacities (ug pot-1) in shoots of S. nigrum in the combined treatment T0.1EDTA+0.9CY were the highest for the 5 and 15 mg kg-1 Cd contaminated soils. When S. nigrum remediating co-contaminated soils with higher levels of Cd and BAP, that is, 5 mg kg-1 Cd + 1 mg kg-1 BAP and 15 mg kg-1 Cd + 2 mg kg-1 BAP, the treatment T0.9CY+0.9Sa+0.3TW showed the best enhancing remediation role. This results were different with co-contaminated soil with 0.771 mg kg-1 Cd + 0.024 mg kg-1 BAP. These results may tell us that the combine used of CY, SA, and TW were more useful for the contaminated soils with higher level of Cd and/or BAP. In the combined treatments of Sa+TW, CY was better than EDTA.
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Affiliation(s)
- Ran Han
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
- c University of Chinese Academy of Sciences , Beijing , P.R. China
| | - Huiping Dai
- b Shaanxi Province Key Laboratory of Bio-resources, Shaanxi University of Technology , Hanzhong , China
| | - Chuanjie Yang
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
| | - Shuhe Wei
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
| | - Lei Xu
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
- c University of Chinese Academy of Sciences , Beijing , P.R. China
| | - Wei Yang
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
- c University of Chinese Academy of Sciences , Beijing , P.R. China
| | - Xuekai Dou
- a Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , P.R. China
- c University of Chinese Academy of Sciences , Beijing , P.R. China
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Dai H, Wei S, Twardowska I, Han R, Xu L. Hyperaccumulating potential of Bidens pilosa L. for Cd and elucidation of its translocation behavior based on cell membrane permeability. Environ Sci Pollut Res Int 2017; 24:23161-23167. [PMID: 28828736 DOI: 10.1007/s11356-017-9962-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [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: 03/01/2017] [Accepted: 08/14/2017] [Indexed: 06/07/2023]
Abstract
Phytoremediation with the use of hyperaccumulating plant species to remove excess trace metals from contaminated soil and water is considered a cost-effective non-invasive technique. Over 400 plant taxa worldwide have been identified as natural hyperaccumulators, but only very few are reported to hyperaccumulate Cd. Bidens pilosa L. is a newly found, promising Cd hyperaccumulator, although its potential to accumulate Cd and mechanism of this process are not yet well known. This paper was aimed at exploring hyperaccumulation capacity of B. pilosa for Cd, and its translocation behavior related to cell membrane permeability. The highest Cd concentration in shoots of B. pilosa grown in soil was 405.91 mg kg-1 and of that cultured in nutrient solution 1651.68 mg kg-1, indicating very high accumulation potential. Cd concentrations in the root, stem, leaf, and shoot of B. pilosa cultured in nutrient solution were all much higher than those in soil, while biomass development was considerably lower. This resulted in lesser differences between Cd maximum accumulation loads in the shoot (462 and 365 μg pot-1) and in the root (100 and 96 μg pot-1) of B. pilosa grown in solution and in soil, respectively. Relative electric conductivity (REC), K+ relative permeability ratio, and MDA (malondialdehyde) contents, which are major indices expressing cell membrane permeability, appeared to be closely related to Cd translocation and accumulation. The relative molecular mechanism of Cd accumulation/translocation in B. pilosa was found of importance and needs to be elucidated.
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Affiliation(s)
- Huiping Dai
- Bio-resources Key Laboratory of Shaanxi Province, Shaanxi Sci-Tech University, Hanzhong, 723001, People's Republic of China
| | - Shuhe Wei
- Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China.
| | - Irena Twardowska
- Institute of Environmental Engineering of the Polish Academy of Sciences, 41-819, Zabrze, Poland
| | - Ran Han
- Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Lei Xu
- Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
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Rehman MZU, Rizwan M, Ali S, Ok YS, Ishaque W, Nawaz MF, Akmal F, Waqar M. Remediation of heavy metal contaminated soils by using Solanum nigrum: A review. Ecotoxicol Environ Saf 2017; 143:236-248. [PMID: 28551581 DOI: 10.1016/j.ecoenv.2017.05.038] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [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: 01/08/2017] [Revised: 05/06/2017] [Accepted: 05/19/2017] [Indexed: 05/20/2023]
Abstract
Heavy metals are among the major environmental pollutants and the accumulation of these metals in soils is of great concern in agricultural production due to the toxic effects on crop growth and food quality. Phytoremediation is a promising technique which is being considered as an alternative and low-cost technology for the remediation of metal-contaminated soils. Solanum nigrum is widely studied for the remediation of heavy metal-contaminated soils owing to its ability for metal uptake and tolerance. S. nigrum can tolerate excess amount of certain metals through different mechanism including enhancing the activities of antioxidant enzymes and metal deposition in non-active parts of the plant. An overview of heavy metal uptake and tolerance in S. nigrum is given. Both endophytic and soil microorganisms can play a role in enhancing metal tolerance in S. nigrum. Additionally, optimization of soil management practices and exogenous application of amendments can also be used to enhance metal uptake and tolerance in this plant. The main objective of the present review is to highlight and discuss the recent progresses in using S. nigrum for remediation of metal contaminated soils.
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Affiliation(s)
- Muhammad Zia Ur Rehman
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University, Allama Iqbal Road, 38000 Faisalabad, Pakistan.
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University, Allama Iqbal Road, 38000 Faisalabad, Pakistan
| | - Yong Sik Ok
- O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Republic of Korea
| | - Wajid Ishaque
- Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan
| | - Muhammad Farrakh Nawaz
- Department of Forestry and Range Management, University of Agriculture, Faisalabad 38040, Pakistan
| | - Fatima Akmal
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
| | - Maqsooda Waqar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad 38040, Pakistan
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Abstract
A two-year in-situ phytoremediation trial was launched in Shenyang Zhangshi (Sewage) Irrigation Area (SZIA). The phytoremediation efficiency of Solanum nigrum L. was determined, by both monitoring the change of soil Cadmium level in the upper 20 cm of soil, and calculating the plant uptake of soil Cd. After two years experimental, by monitoring the soil Cd concentrations, The Cd concentrations decreased on average from 2.75 mg kg(-1)to 2.45 mg kg(-1) in the first year and from 2.33 mg kg(-1) to 1.53 mg kg(-1) in the second year, amounting to a decrease by a factor of 10.6% in the first year and 12% in the second year. After two years phytoremediation by S. nigrum, Cd concentrations of the seven experimental plots with S. nigrum growth decreased from 2.75 mg kg(-1) to 1.53 mg kg(-1), a decrease by a factor of 24.9%. And the soil Cd concentration decreased only 2.1% and 1.7% in the bared experimental plot. And the calculating of Cd uptake by S. nigrum shown that, the plants uptake 4.46% and 5.18% of the total soil Cd in 2008 and 2009, while the soil Cd concentrations decreased by a factor of 10.6% in 2008 and 12.1% in 2009.
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Affiliation(s)
- Puhui Ji
- a College of Resources and Environment , Northwest A&F University , Yangling , China
| | - Yufang Song
- b Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences , Shenyang , China
| | - Yongji Jiang
- a College of Resources and Environment , Northwest A&F University , Yangling , China
| | - Xiwang Tang
- a College of Resources and Environment , Northwest A&F University , Yangling , China
| | - Yan'an Tong
- a College of Resources and Environment , Northwest A&F University , Yangling , China
| | - Pengcheng Gao
- a College of Resources and Environment , Northwest A&F University , Yangling , China
| | - Wenshe Han
- a College of Resources and Environment , Northwest A&F University , Yangling , China
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Abstract
The objective of this review is to throw light upon the global concern of heavy metal-contaminated sites and their remediation through an ecofriendly approach. Accumulated heavy metals in soil and water bodies gain entry through the food chain and pose serious threat to all forms of life. This has engendered interest in phytoremediation techniques where hyperaccumulators are used. Constructed wetland has a pivotal role and is a cost-effective technique in the remediation of heavy metals. Metal availability and mobility are influenced by the addition of chelating agents, which enhance the availability of metal uptake. This review helps in identifying the critical knowledge gaps and areas to enhance research in the future to develop strategies such as genetically engineered hyperaccumulators to attain an environment devoid of heavy metal contamination.
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Affiliation(s)
- B Usharani
- a Centre for Environmental Studies, Anna University , Chennai , India
| | - N Vasudevan
- a Centre for Environmental Studies, Anna University , Chennai , India
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Girdhar M, Sharma NR, Rehman H, Kumar A, Mohan A. Comparative assessment for hyperaccumulatory and phytoremediation capability of three wild weeds. 3 Biotech 2014; 4:579-589. [PMID: 28324308 PMCID: PMC4235884 DOI: 10.1007/s13205-014-0194-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2013] [Accepted: 01/03/2014] [Indexed: 11/10/2022] Open
Abstract
The composition and the organization of soil are changing rapidly by the diverged mankind activities, leading to the contamination of environment. Several methods are employed to clean up the environment from these kinds of contaminants, but most of them are costly and ineffective to yield optimum results. Phytoremediation is a natural green technology, which is eco-friendly for the removal of toxic metals from the polluted environment. Phytoremediation is a cost-effective technique through which the cleanup of contaminated soil laced with heavy metals is performed by wild weeds and small herbal plants. The phytoremediation technique provides a promising tool for hyperaccumulation of heavy metals; arsenic, lead, mercury, copper, chromium, and nickel, etc., by the wild weeds and that has been discussed here in detail in case of Cannabissativa, Solanum nigrum and Rorippa globosa. In general, weeds that have the intrinsic capacity to accumulate metals into their shoots and roots, have the ability to form phytochelates and formation of stable compound with ions. This behavior of accumulation along with chelate and stable compound formation is utilized as a tool for phytoremediation activity.
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Affiliation(s)
- Madhuri Girdhar
- Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India
| | - Neeta Raj Sharma
- Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India
| | - Hasibur Rehman
- Department of Biology, Faculty of Sciences, University of Tabuk, Tabuk, Saudi Arabia
| | - Anupam Kumar
- Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India
| | - Anand Mohan
- Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India.
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Anan Y, Awaya Y, Ogihara Y, Yoshida M, Yawata A, Ogra Y. Comparison in accumulation of lanthanide elements among three Brassicaceae plant sprouts. Bull Environ Contam Toxicol 2012; 89:133-137. [PMID: 22555541 DOI: 10.1007/s00128-012-0665-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Accepted: 04/21/2012] [Indexed: 05/31/2023]
Abstract
Three kinds of sprouts in the Brassicaceae family of plants, namely, pink kale, radish and mustard were evaluated for the possibility of phytoremediation of lanthanides. The mustard sprout more efficiently accumulated lanthanides (e.g. 0.26 nmol La/g) than other Brassicaceae family plant sprouts (0.16 nmol La/g in the radish), however the radish sprout showed the fastest growth among three sprouts. Faster growth compensated for less efficiency in lanthanide accumulation (28 pmol La in the radish vs. 12 pmol La in the mustard) indicating that the radish is the most preferable sprout for the phytoremediation of lanthanides.
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Affiliation(s)
- Yasumi Anan
- Laboratory of Chemical Toxicology and Environmental Health, Showa Pharmaceutical University, 3-3165 Higashi-Tamagawagakuen, Machida, Tokyo, 194-8543, Japan
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