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Pehlivan N, Gedik K, Wang JJ. Tea-based biochar-mediated changes in cation diffusion homeostasis in rice grown in heavy metal (loid) contaminated mining soil. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107889. [PMID: 37453142 DOI: 10.1016/j.plaphy.2023.107889] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 06/24/2023] [Accepted: 07/08/2023] [Indexed: 07/18/2023]
Abstract
Foreseeable future scenarios highlight the urgency of applying eco-safe avoidance methods or tolerance to heavy metal(loid) (HM) stress in agricultural production areas of contamination. The analyses show that the Ni, Mn, As, and Cr concentrations detected in the soils of the paddy fields in the Black Sea region vary between 123.60 and 263.30; 687-1271; 8.90-14.50; 162.00-340.00 mg kg-1 proving high accumulation of Ni, Mn, As, Cr in rice. Overconsumption of rice farmed extensively on these soils might also lead to human HM-related health problems. Therefore, in the current study, the approach of using tea-based biochar (BC) proven to have one of the most significant potentials as a soil amendment to reduce HM transmission to in-vitro-grown rice plants was investigated in the soil medium naturally contaminated with HMs. The tea-BC was produced from readily available local black tea waste of a conventional fermentation process and applied in the in-vitro experiments. Among the tested doses examined, 1% tea-BC showed a more positive effect on rice plant growth and development characterized by a better relative growth rate (59.7 and 84 mg g-1 d-1 for root and shoot tissues), photosynthetic pigment intactness (62.48 μg mL-1), cellular membrane integrity (93%), and relative water (96%) than the other rates (0% BC, 3%BC, 5%BC). The mRNA expression data highlights the probability of a cation diffusion facilitator (CDF) (OsMTP11) in concert with catalase isozyme (CATa) and dehydration-responsive element binding protein (DREB1a) linking the HM detoxification, oxidative defense, and dehydration pathways with the help of tea-BC. At the optimum concentration (1%BC), this approach might reduce HM accumulation levels of crops planted in HM-contaminated farmlands.
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Affiliation(s)
- Necla Pehlivan
- Department of Biology, Recep Tayyip Erdogan University, 53100, Türkiye.
| | - Kenan Gedik
- The Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100, Türkiye
| | - Jim J Wang
- School of Plant, Environment and Soil Sciences, Louisiana State University AgCenter, LA, 70803, USA
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Chojnacka K, Moustakas K, Mikulewicz M. The combined rhizoremediation by a triad: plant-microorganism-functional materials. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90500-90521. [PMID: 37477813 PMCID: PMC10439854 DOI: 10.1007/s11356-023-28755-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
The article describes new strategies for the remediation of soils contaminated with organic and inorganic pollutants. The aim of this study is to investigate the synergistic effects of combining plant-microorganism-functional materials for a more effective reduction of soil contamination with toxic chemicals. The innovative triad involves functional materials as a habitat for microorganisms, which helps to control the release of pollutants into the soil solution from the adsorbed form. This, in turn, reduces the toxic effect on microorganisms and plants. Microorganisms play a complex role, consisting of partial biodegradation of pollutants, stimulation of plant growth, and support for nutrient supply. Plants synthesize root exudates that facilitate microorganisms in biodegrading organic pollutants and stimulate their growth. The plant takes up pollutants through the root system, which can be further supported by endophytic microorganisms. The cooperation of the three players produces a synergistic effect that enhances the effectiveness of rhizodegradation supported by functional materials, which is more effective than using microorganisms, phytoremediation, or functional materials alone. The combination of physicochemical methods (functional materials) and microbiological methods (bacteria and fungi, rhizosphere, symbiotic and non-symbiotic) supported by plants (hyperaccumulators) is a promising approach for reducing chemicals from soil. Key examples of the synergistic effects of combining plant-microorganism-functional materials have been provided in this article.
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Affiliation(s)
- Katarzyna Chojnacka
- Department of Advanced Material Technologies, Faculty of Chemistry, Wrocław University of Science and Technology, Smoluchowskiego 25, 50-372, Wrocław, Poland.
| | - Konstantinos Moustakas
- School of Chemical Engineering, National Technical University of Athens, 9 Iroon Polytechniou Str., Zographou Campus, 15780, Athens, Greece
| | - Marcin Mikulewicz
- Department of Dentofacial Orthopaedics and Orthodontics, Division of Facial Abnormalities, Medical University of Wroclaw, Wroclaw, Poland
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53
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Reshi ZA, Ahmad W, Lukatkin AS, Javed SB. From Nature to Lab: A Review of Secondary Metabolite Biosynthetic Pathways, Environmental Influences, and In Vitro Approaches. Metabolites 2023; 13:895. [PMID: 37623839 PMCID: PMC10456650 DOI: 10.3390/metabo13080895] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/26/2023] Open
Abstract
Secondary metabolites are gaining an increasing importance in various industries, such as pharmaceuticals, dyes, and food, as is the need for reliable and efficient methods of procuring these compounds. To develop sustainable and cost-effective approaches, a comprehensive understanding of the biosynthetic pathways and the factors influencing secondary metabolite production is essential. These compounds are a unique type of natural product which recognizes the oxidative damage caused by stresses, thereby activating the defence mechanism in plants. Various methods have been developed to enhance the production of secondary metabolites in plants. The elicitor-induced in vitro culture technique is considered an efficient tool for studying and improving the production of secondary metabolites in plants. In the present review, we have documented various biosynthetic pathways and the role of secondary metabolites under diverse environmental stresses. Furthermore, a practical strategy for obtaining consistent and abundant secondary metabolite production via various elicitation agents used in culturing techniques is also mentioned. By elucidating the intricate interplay of regulatory factors, this review paves the way for future advancements in sustainable and efficient production methods for high-value secondary metabolites.
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Affiliation(s)
- Zubair Altaf Reshi
- Plant Biotechnology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (Z.A.R.); (W.A.)
| | - Waquar Ahmad
- Plant Biotechnology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (Z.A.R.); (W.A.)
| | - Alexander S. Lukatkin
- Department of General Biology and Ecology, N.P. Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Saad Bin Javed
- Plant Biotechnology Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, India; (Z.A.R.); (W.A.)
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Rashid I, Naqvi SNH, Mohsin H, Fatima K, Afzal M, Al-Misned F, Bibi I, Ali F, Niazi NK. The evaluation of bacterial-augmented floating treatment wetlands for concomitant removal of phenol and chromium from contaminated water. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:287-293. [PMID: 37501357 DOI: 10.1080/15226514.2023.2240428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Contamination of aquatic ecosystems with organic and inorganic contaminants is a global threat due to their hazardous effects on the environment and human health. Floating treatment wetland (FTW) technology is a cost-effective and sustainable alternative to existing treatment approaches. It consists of a buoyant mat in which wetland plants can grow and develop their roots in a suspended manner and can be implemented to treat stormwater, municipal wastewater, and industrial effluents. Here we explored the potential of bacterial-augmented FTWs for the concurrent remediation of phenol and hexavalent chromium (Cr6+) contaminated water and evaluated treated water toxicity using Triticum aestivum L. (wheat) as a test plant. The FTWs carrying Phragmites australis L. (common reed) were inoculated with a consortium of four bacterial strains (Burkholderia phytofirmans PsJN, Acinetobacter lwofii ACRH76, Pseudomonas aeruginosa PJRS20, Bacillus sp. PJRS25) and evaluated for their potential to simultaneously remove phenol and chromium (Cr) from contaminated water. Results revealed that the FTWs efficiently improved water quality by removing phenol (86%) and Cr (80%), with combined use of P. australis and bacterial consortium after 50 days. The phytotoxicity assay demonstrated that the germination of wheat seed (96%) was significantly higher where bacterial-augmented FTWs treated water was used compared to untreated water. This pilot-scale study highlights that the combined application of wetland plants and bacterial consortium in FTWs is a promising approach for concomitant abatement of phenol and Cr from contaminated water, especially for developing countries like Pakistan where the application of advanced and expensive technologies is limited.
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Affiliation(s)
- Iffat Rashid
- Department of Life Sciences, School of Science, University of Management and Technology, Lahore, Pakistan
| | - Syed Najaf Hasan Naqvi
- Soil and Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Hareem Mohsin
- Department of Life Sciences, School of Science, University of Management and Technology, Lahore, Pakistan
| | - Kaneez Fatima
- Department of Life Sciences, School of Science, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Afzal
- Soil and Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Fahad Al-Misned
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Irshad Bibi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Fawad Ali
- Centre of Planetary Health and Food Security, Griffith University, Nathan Campus (4111), Brisbane, QLD, Australia
- Department of Agriculture and Fisheries (QDAF), Mareeba (4880), QLD, Australia
| | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
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Nawaz S, Tabassum A, Muslim S, Nasreen T, Baradoke A, Kim TH, Boczkaj G, Jesionowski T, Bilal M. Effective assessment of biopolymer-based multifunctional sorbents for the remediation of environmentally hazardous contaminants from aqueous solutions. CHEMOSPHERE 2023; 329:138552. [PMID: 37003438 DOI: 10.1016/j.chemosphere.2023.138552] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/09/2023] [Accepted: 03/29/2023] [Indexed: 05/03/2023]
Abstract
Persistent contaminants in wastewater effluent pose a significant threat to aquatic life and are one of the most significant environmental concerns of our time. Although there are a variety of traditional methods available in wastewater treatment, including adsorption, coagulation, flocculation, ion exchange, membrane filtration, co-precipitation and solvent extraction, none of these have been found to be significantly cost-effective in removing toxic pollutants from the water environment. The upfront costs of these treatment methods are extremely high, and they require the use of harmful synthetic chemicals. For this reason, the development of new technologies for the treatment and recycling of wastewater is an absolute necessity. Our way of life can be made more sustainable by the synthesis of adsorbents based on biomass, making the process less harmful to the environment. Biopolymers offer a sustainable alternative to synthetic polymers, which are manufactured by joining monomer units through covalent bonding. This review presents a detailed classification of biopolymers such as pectin, alginate, chitosan, lignin, cellulose, chitin, carrageen, certain proteins, and other microbial biomass compounds and composites, with a focus on their sources, methods of synthesis, and prospective applications in wastewater treatment. A concise summary of the extensive body of knowledge on the fate of biopolymers after adsorption is also provided. Finally, consideration is given to open questions about future developments leading to environmentally friendly and economically beneficial applications of biopolymers.
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Affiliation(s)
- Shahid Nawaz
- Department of Chemistry, The University of Lahore, Lahore, Pakistan
| | - Andleeb Tabassum
- Department of Biological Sciences, International Islamic University Islamabad, Islamabad, Pakistan
| | - Sara Muslim
- Department of Chemistry, University of Agriculture Faisalabad-38040, Faisalabad, Pakistan
| | - Tayyaba Nasreen
- Department of Chemistry, University of Agriculture Faisalabad-38040, Faisalabad, Pakistan
| | - Ausra Baradoke
- Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QZ, United Kingdom
| | - Tak H Kim
- School of Environment and Science, Griffith University, 170 Kessels Road, Nathan, QLD, 4111, Australia
| | - Grzegorz Boczkaj
- Department of Sanitary Engineering, Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, G. Narutowicza St. 11/12, Gdańsk 80-233, Poland; EkoTech Center, Gdańsk University of Technology, G. Narutowicza St. 11/12, Gdańsk 80-233, Poland
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznań University of Technology, Berdychowo 4, PL-60965, Poznań, Poland
| | - Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznań University of Technology, Berdychowo 4, PL-60965, Poznań, Poland.
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56
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Shi C, Zhao Z, Zhu N, Yu Q. Magnetic nanoparticle-assisted colonization of synthetic bacteria on plant roots for improved phytoremediation of heavy metals. CHEMOSPHERE 2023; 329:138631. [PMID: 37030349 DOI: 10.1016/j.chemosphere.2023.138631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/01/2023] [Accepted: 04/05/2023] [Indexed: 05/03/2023]
Abstract
Phytoremediation is a facile strategy to remove environmental heavy metals by using metal-accumulating plants from the rhizosphere environment. However, its efficiency is frequently compromised by the weak activity of rhizosphere microbiomes. This study developed a magnetic nanoparticle-assisted root colonization technique of synthetic functional bacteria to regulate rhizosphere microbiome composition for enhanced phytoremediation of heavy metals. The iron oxide magnetic nanoparticles with the size of 15-20 nm were synthesized and grafted by chitosan, a natural bacterium-binding polymer. The synthetic Escherichia coli SynEc2, which highly exposed an artificial heavy metal-capturing protein, was then introduced with the magnetic nanoparticles to bind the Eichhornia crassipes plants. Confocal microscopy, scanning electron microscopy, and microbiome analysis revealed that the grafted magnetic nanoparticles strongly promoted colonization of the synthetic bacteria on the plant roots, leading to remarkable change of rhizosphere microbiome composition, with the increase in the abundance of Enterobacteriaceae, Moraxellaceae, and Sphingomonadaceae. Histological staining and biochemical analysis further showed that the combination of SynEc2 and the magnetic nanoparticles protected the plants from heavy metal-induced tissue damage, and increased plant weights from 29 g to 40 g. Consequently, the plants with the assistance of synthetic bacteria and the magnetic nanoparticles in combination exhibited much higher heavy metal-removing capacity than the plants treated by the synthetic bacteria or the magnetic nanoparticles alone, leading to the decrease in the heavy metal levels from 3 mg/L to 0.128 mg/L for cadmium, and to 0.032 mg/L for lead. This study provided a novel strategy to remodel rhizosphere microbiome of metal-accumulating plants by integrating synthetic microbes and nanomaterials for improving the efficiency of phytoremediation.
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Affiliation(s)
- Cong Shi
- School of Environmental Science and Engineering, Tiangong University, Tianjin, 300387, PR China
| | - Zirun Zhao
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China
| | - Nali Zhu
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China
| | - Qilin Yu
- Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Department of Microbiology, College of Life Sciences, Nankai University, Tianjin, 300071, PR China.
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57
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Zheng X, Zhang B, Pan N, Cheng X, Lu W. Hydrogen Sulfide Alleviates Cadmium Stress by Enhancing Photosynthetic Efficiency and Regulating Sugar Metabolism in Wheat Seedlings. PLANTS (BASEL, SWITZERLAND) 2023; 12:2413. [PMID: 37446974 DOI: 10.3390/plants12132413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/15/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023]
Abstract
Hydrogen sulfide (H2S) plays prominent multifunctional roles in the mediation of various physiological processes and stress responses to plants. In this study, hydroponic experiments were carried out to explore the effects of NaHS pretreatment on the growth of wheat (Triticum aestivum L.) under 50 μM cadmium (Cd). Compared with Cd treatment alone, 50 μM NaHS pretreatment increased the plant height, soluble sugar content of shoots and roots, and dry weight of shoots and roots under Cd stress, while the Cd concentration of shoots and roots was significantly reduced by 18.1% and 25.9%, respectively. Meanwhile, NaHS pretreatment protected the photosynthetic apparatus by increasing the net photosynthetic rate and PSII electron transportation rate of wheat leaves under Cd stress. NaHS pretreatment significantly increased the soluble sugar content to maintain the osmotic pressure balance of the leaf cells. The gene expression results associated with photosynthetic carbon assimilation and sucrose synthesis in wheat leaves suggested that the NaHS pretreatment significantly up-regulated the expression of TaRBCL, TaRBCS, and TaPRK, while it down-regulated the expression of TaFBA, TaSuSy, TaSAInv, and TaA/NInv. In summary, NaHS pretreatment improved the resistance of wheat seedlings under Cd stress by increasing the rate of photosynthesis and regulating the expression of genes related to sugar metabolism.
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Affiliation(s)
- Xiang Zheng
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Bei Zhang
- College of Life Sciences, Westlake University, Hangzhou 310000, China
| | - Ni Pan
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xue Cheng
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wei Lu
- College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China
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58
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Wei Z, Zhongbing C, Xiuqin Y, Luying S, Huan M, Sixi Z. Integrated transcriptomics and metabolomics reveal key metabolic pathway responses in Pistia stratiotes under Cd stress. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131214. [PMID: 36989786 DOI: 10.1016/j.jhazmat.2023.131214] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 05/03/2023]
Abstract
Cadmium (Cd) can interfere with plant gene expression, change the content of metabolites and affect plant growth. In this study, untargeted metabolomics (LC-MS) and RNA-Seq sequencing were performed on root tissues of Pistia stratiotes exposed to Cd stress. The results showed that cadmium stress affected the accumulation and transport of cadmium in plants and increased the content of soluble sugar, the activities of ascorbate peroxidase (APX), and peroxidase (POD) by 34.89%, 41.45%, and 6.71% on average, and decreased the activity of superoxide dismutase (SOD) by 51.51% on average. At the same time, the contents of carotenoid, chlorophyll a, and chlorophyll b decreased by 29.52%, 20.11%, and 13.14%, respectively, Thus affecting the growth and development of plants. Metabolomic analysis showed that Cd stress affected eight metabolic pathways, involving 27 differentially expressed metabolites, mainly including unsaturated fatty acids, amino acids (phenylalanine), nucleotides, sulfur compounds, and flavonoids. By transcriptome analysis, a total of 3107 differentially expressed genes (DEGs, 2666 up-regulated genes, and 441 down-regulated genes) were identified, which were mainly involved in four pathways, among which glutathione metabolism and lignin biosynthesis were the key metabolic pathways. In conclusion, this study reveals the metabolic and transcriptional response mechanisms of P. stratiotes to Cd stress through multi-omics, providing the theoretical basis for the phytoremediation of water contaminated by Cd.
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Affiliation(s)
- Zhao Wei
- College of Eco-environment Engineering, Guizhou Minzu University, The Karst Environmental Geological Hazard Prevention of Key Laboratory of State Ethnic Affairs Commission, Guiyang 550025, China
| | - Chen Zhongbing
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcka 129, Praha-Suchdol 16500, Czech Republic
| | - Yang Xiuqin
- College of Eco-environment Engineering, Guizhou Minzu University, The Karst Environmental Geological Hazard Prevention of Key Laboratory of State Ethnic Affairs Commission, Guiyang 550025, China
| | - Sheng Luying
- College of Eco-environment Engineering, Guizhou Minzu University, The Karst Environmental Geological Hazard Prevention of Key Laboratory of State Ethnic Affairs Commission, Guiyang 550025, China
| | - Mao Huan
- College of Eco-environment Engineering, Guizhou Minzu University, The Karst Environmental Geological Hazard Prevention of Key Laboratory of State Ethnic Affairs Commission, Guiyang 550025, China
| | - Zhu Sixi
- College of Eco-environment Engineering, Guizhou Minzu University, The Karst Environmental Geological Hazard Prevention of Key Laboratory of State Ethnic Affairs Commission, Guiyang 550025, China.
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59
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Menhas S, Yang X, Hayat K, Bundschuh J, Chen X, Hui N, Zhang D, Chu S, Zhou Y, Ali EF, Shahid M, Rinklebe J, Lee SS, Shaheen SM, Zhou P. Pleiotropic melatonin-mediated responses on growth and cadmium phytoextraction of Brassica napus: A bioecological trial for enhancing phytoremediation of soil cadmium. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131862. [PMID: 37329597 DOI: 10.1016/j.jhazmat.2023.131862] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 05/04/2023] [Accepted: 06/13/2023] [Indexed: 06/19/2023]
Abstract
Melatonin (MT) has recently gained significant scientific interest, though its mechanism of action in enhancing plant vigor, cadmium (Cd) tolerance, and Cd phytoremediation processes are poorly understood. Therefore, here we investigated the beneficial role of MT in improving growth and Cd remediation potential of rapeseed (Brassica napus). Plants, with or without MT (200 µM L-1), were subjected to Cd stress (30 mg kg1). Without MT, higher Cd accumulation (up to 99%) negatively affected plant growth and developmental feature as well as altered expression of several key genes (DEGs) involved in different molecular pathways of B. napus. As compared to only Cd-stressed counterparts, MT-treated plants exhibited better physiological performance as indicated by improved leaf photosynthetic and gaseous exchange processes (3-48%) followed by plant growth (up to 50%), fresh plant biomass (up to 45%), dry plant biomass (up to 32%), and growth tolerance indices (up to 50%) under Cd exposure. MT application enhanced Cd tolerance and phytoremediation capacity of B. napus by augmenting (1) Cd accumulation in plant tissues and its translocation to above-ground parts (by up to 45.0%), (2) Cd distribution in the leaf cell wall (by up to 42%), and (3) Cd detoxification by elevating phytochelatins (by up to 8%) and metallothioneins (by upto 14%) biosynthesis, in comparison to Cd-treated plants. MT played a protective role in stabilizing hydrogen peroxide and malondialdehyde levels in the tissue of the Cd-treated plants by enhancing the content of osmolytes (proline and total soluble protein) and activities of antioxidant enzymes (SOD, CAT, APX and GR). Transcriptomic analysis revealed that MT regulated 1809 differentially expressed genes (828 up and 981 down) together with 297 commonly expressed DEGs (CK vs Cd and Cd vs CdMT groups) involved in plant-pathogen interaction pathway, protein processing in the endoplasmic reticulum pathway, mitogen-activated protein kinase signaling pathway, and plant hormone signal transduction pathway which ultimately promoted plant growth and Cd remediation potential in the Cd-stressed plants. These results provide insights into the unexplored pleiotropic beneficial action of MT in enhancing in the growth and Cd phytoextraction potential of B. napus, paving the way for developing Cd-tolerant oilseed crops with higher remediation capacity as a bioecological trial for enhancing phytoremediation of hazardous toxic metals in the environment.
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Affiliation(s)
- Saiqa Menhas
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Xijia Yang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China
| | - Kashif Hayat
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Pollution Exposure and Health Intervention, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, PR China
| | - Jochen Bundschuh
- Department of Earth and Environmental Sciences, National Chung Cheng University, Taiwan, ROC; School of Civil Engineering and Surveying, University of Southern Queensland, Australia
| | - Xunfeng Chen
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Nan Hui
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Dan Zhang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Shaohua Chu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Yuanfei Zhou
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China
| | - Esmat F Ali
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Muhammad Shahid
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari 61100, Pakistan
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water, and Waste-Management, Laboratory of Soil, and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany
| | - Sang Soo Lee
- Department of Environmental and Energy Engineering, Yonsei University, Wonju 26493, South Korea.
| | - Sabry M Shaheen
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water, and Waste-Management, Laboratory of Soil, and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; King Abdulaziz University, Faculty of meteorology, Environment, and Arid Land Agriculture, Department of Arid Land Agriculture, Jeddah 21589, Saudi Arabia; University of Kafrelsheikh, Faculty of Agriculture, Department of Soil and Water Sciences, 33516 Kafr El-Sheikh, Egypt.
| | - Pei Zhou
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China; Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, PR China; Shanghai Yangtze River Delta Eco-Environmental Change and Management Observation and Research Station, Ministry of Science and Technology, Ministry of Education, Shanghai 200240, PR China.
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60
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Garraud J, Plihon H, Capiaux H, Le Guern C, Mench M, Lebeau T. Drivers to improve metal(loid) phytoextraction with a focus on microbial degradation of dissolved organic matter in soils. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:63-81. [PMID: 37303191 DOI: 10.1080/15226514.2023.2221740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Bioaugmentation of soils can increase the mobilization of metal(loid)s from the soil-bearing phases. However, once desorbed, these metal(loid)s are mostly complexed to the dissolved organic matter (DOM) in the soil solution, which can restrict their availability to plants (roots mainly taking up the free forms) and then the phytoextraction performances. Firstly the main drivers influencing phytoextraction are reminded, then the review focuses on the DOM role. After having reminding the origin, the chemical structure and the lability of DOM, the pool of stable DOM (the most abundant in the soil) most involved in the complexation of metal(loid)s is addressed in particular by focusing on carboxylic and/or phenolic groups and factors controlling metal(loid) complexation with DOM. Finally, this review addresses the ability of microorganisms to degrade metal(loid)-DOM complexes as an additional lever for increasing the pool of free metal(loid) ions, and then phytoextraction performances, and details the origin of microorganisms and how they are selected. The development of innovative processes including the use of these DOM-degrading microorganisms is proposed in perspectives.
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Affiliation(s)
- Justine Garraud
- Nantes Université, Université d'Angers, Le Mans Université, CNRS, UMR 6112, Laboratoire de Planétologie et Géosciences, Nantes, France
| | - Hélène Plihon
- Nantes Université, Université d'Angers, Le Mans Université, CNRS, UMR 6112, Laboratoire de Planétologie et Géosciences, Nantes, France
| | - Hervé Capiaux
- Nantes Université, Université d'Angers, Le Mans Université, CNRS, UMR 6112, Laboratoire de Planétologie et Géosciences, Nantes, France
| | | | | | - Thierry Lebeau
- Nantes Université, Université d'Angers, Le Mans Université, CNRS, UMR 6112, Laboratoire de Planétologie et Géosciences, Nantes, France
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Feng L, Gao Z, Ma H, He S, Liu Y, Jiang J, Zhao Q, Wei L. Carbonate-bound Pb percentage distribution in agricultural soil and its toxicity: Impact on plant growth, nutrient cycling, soil enzymes, and functional genes. JOURNAL OF HAZARDOUS MATERIALS 2023; 451:131205. [PMID: 36934701 DOI: 10.1016/j.jhazmat.2023.131205] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/24/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Metals pollution of lead in agricultural soils is a serious problem for food safety. Therefore, we investigated the toxic effects of carbonate-bound fraction Pb on agricultural soil from various aspects. The results revealed that a higher carbonate-bound fraction of Pb had more toxic effects on wheat growth, as evidenced by higher malondialdehyde (3.17 μmol g-1 FW) and lower catalase levels (9.77 μg-1 FW min-1). In terms of nutrient cycling, soil nutrients including carbon, nitrogen, and phosphorus would slow down transformation rates in high concentrations. Compared to carbon, nitrogen and phosphorus were more likely to be affected by the initial carbonate-bound fraction at the earlier stage. Increased Pb dosage may reduce the soil enzymes activity such as urease (119-50 U g-1) and phosphatase (3191-967 U g-1), as well as the functional genes of nitrogen degradation related nirK, nisS, and carbon related pmoA. Correlation analysis and structural equation modeling indicated that carbonate bound Pb could regulate nutrients cycle via functional genes inhibition, soil enzyme activity reduction and wheat growth suppression in agricultural soil. Our findings will help with polluted agricultural soil monitoring and regulation through microbial activity to ensure food safety.
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Affiliation(s)
- Likui Feng
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zhelu Gao
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Hao Ma
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Shufei He
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yu Liu
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Junqiu Jiang
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Qingliang Zhao
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Liangliang Wei
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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Chau TP, Devanesan S, Farhat K, Liu X, Jhanani GK. Phytoremediation efficiency of Vigna mungo with the amalgamation of indigenous metal tolerant bacterial strain on metal polluted agriculture soil. ENVIRONMENTAL RESEARCH 2023:116291. [PMID: 37276971 DOI: 10.1016/j.envres.2023.116291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/23/2023] [Accepted: 05/30/2023] [Indexed: 06/07/2023]
Abstract
This research was performed to evaluate physico-chemical properties of farmland soil nearby the magnesite mine site. Unexpectedly, few physico-chemical properties were crossing the acceptable limits. Particularly, the quantities of Cd (112.34 ± 3.25), Pb (386.42 ± 11.71), Zn (854.28 ± 3.53), and Mn (2538 ± 41.11) were crossing the permissible limits. Among 11 bacterial cultures isolated from the metal contaminated soil, 2 isolates names as SS1 and SS3 showed significant multi-metal tolerance up to the concentration of 750 mg L-1. Furthermore, these strains also showed considerable metal mobilization as well as absorption ability on metal contaminated soil under in-vitro conditions. In a short duration of treatment, these isolates effectively mobilize and absorb the metals from the polluted soil. The results obtained from the greenhouse investigation with Vigna mungo revealed that the among various treatment (T1 to T5) groups, the T3 (V.mungo + SS1+SS3) showed remarkable phytoremediation potential (Pb: 50.88, Mn: 152, Cd: 14.54, and Zn: 67.99 mg kg-1) on metal contaminated soil. Furthermore, these isolates influence the growth as well as biomass of V.mungo under greenhouse conditions on metal contaminated soil. These findings suggest that combining multi-metal tolerant bacterial isolates can improve the phytoextraction efficiency of V.mungo on metal-contaminated soil.
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Affiliation(s)
- Tan Phat Chau
- Faculty of Applied Technology, School of Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Sandhanasamy Devanesan
- Department of Physics and Astronomy, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Karim Farhat
- Department of Urology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Xinghui Liu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, 999077, Hong Kong, China
| | - G K Jhanani
- University Centre for Research & Development, Chandigarh University, Mohali, 140103, India.
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Sarwar MJ, Zahir ZA, Asghar HN, Shabaan M, Ayyub M. Co-application of organic amendments and Cd-tolerant rhizobacteria for suppression of cadmium uptake and regulation of antioxidants in tomato. CHEMOSPHERE 2023; 327:138478. [PMID: 36972870 DOI: 10.1016/j.chemosphere.2023.138478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 06/18/2023]
Abstract
Cadmium (Cd) contamination is a major environmental concern with well-reported adverse impacts on environment and living entities. It limits the productivity of agricultural crops due to its excessive entry to plant tissues, and subsequent toxic effects on their growth and physiology. Application of metal tolerant rhizobacteria in combination with organic amendments has shown beneficial impacts in sustaining plant growth, on account of amendments mediated decreased metal mobility via different functional groups, as well as provision of carbon to microorganisms. We evaluated the effect of organic amendments (compost and biochar) and Cd-tolerant rhizobacteria on growth, physiology, and Cd uptake in tomato (Solanum lycopersicum). Plants were grown under Cd contamination (2 mg kg-1), and were supplemented with 0.5% w/w of compost and biochar along with rhizobacterial inoculation in pot culture. We observed a significant reduction in shoot length, fresh and dry biomass (37, 49 and 31%) and root attributes such as root length, fresh and dry weights (35, 38 and 43%). However, Cd tolerant PGPR strain 'J-62' along with compost and biochar (0.5% w/w) mitigated the Cd induced adverse impacts on different plant attributes and improved these attributes such as root and shoot lengths (112 and 72%), fresh (130 and 146%) and dry weights (119 and 162%) of tomato roots and shoots as compared to relative control treatment. Furthermore, we observed significant increments in different antioxidant activities such as SOD (54%), CAT (49%) and APX (50%) under Cd contamination. Combined application of 'J-62' strain and organic amendments also decreased Cd translocation towards different above-ground plant parts as was pragmatic in terms of bioconcentration and translocation factors of Cd, which indicated phyto-stabilization ability of our inoculated strain for Cd. Hence, Cd tolerant PGPR in combination with organic amendments can immobilize Cd in soil and thereby, can alleviate Cd induced adverse impacts on tomato growth.
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Affiliation(s)
- Muhammad Junaid Sarwar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.
| | - Zahir Ahmad Zahir
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.
| | - Hafiz Naeem Asghar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Shabaan
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.
| | - Muhaimen Ayyub
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
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Sun P, Chen Y, Li X, Liu L, Guo J, Zheng X, Liu X. Detoxification mechanisms of biochar on plants in chromium contaminated soil: Chromium chemical forms and subcellular distribution. CHEMOSPHERE 2023; 327:138505. [PMID: 36965535 DOI: 10.1016/j.chemosphere.2023.138505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/22/2023] [Accepted: 03/22/2023] [Indexed: 06/18/2023]
Abstract
The complete pathway of chromium (Cr) transfer from soil to plant tissues and subcellular components under biochar amendment remains to be quantified, as well as the involved diverse detoxification processes in roots and stems respectively. Pot experiments and quantitative analysis were conducted to investigate Cr fixation in soil amended with Enteromorpha prolifera-derived biochar and subsequent phytoprocesses (Cr uptake, transfer, and phytotoxicity) in cultivated Secale cereale L. (rye). The results indicated that adding 5-30 g kg-1 of biochar increased the residual form of Cr (B4) in soil by 8-21% and decreased the bioavailable form of Cr (B1) by 9-29%. For Cr transferred to rye, Cr in the rye was mainly present in the low-toxicity bound state, with the acetic acid-extracted Cr (F4) (45-54%) in roots and the NaCl-extracted Cr (F3) (37-47%) in stems. The subcellular distribution of Cr in both roots and stems was predominantly in the cell wall and residues (T1), followed by the cytoplasm (T4). Partial least squares path model (PLS-PM) was used for quantifying the effect of biochar on the form changes and subcellular detoxification of Cr from soil to roots and stems to sub-cells. In soils, biochar reduced the bioavailability of Cr and decreased the transfer of Cr to rye. In plant roots, Cr was distributed mainly as low-toxicity phosphate complexes in cell walls and vacuoles in sub-cells (with the largest path coefficients of 0.90 and -0.91, respectively). In the stems, Cr was distributed mainly as proteins integrated into the cell walls and vacuoles. This was due to the difference in subcellular compartmentalization of detoxification in the roots and stems. These PLS-PM results provide new insights into the entire process of pollutant detoxification in complex environments.
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Affiliation(s)
- Ping Sun
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Youyuan Chen
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Xiaochen Li
- China Institute for Radiation Protection, Taiyuan, 030006, China
| | - Lecheng Liu
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China
| | - Jiameng Guo
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Xilai Zheng
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China
| | - Xiaoli Liu
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China.
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Liu Y, Huang L, Wen Z, Fu Y, Liu Q, Xu S, Li Z, Liu C, Yu C, Feng Y. Effects of intercropping on safe agricultural production and phytoremediation of heavy metal-contaminated soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162700. [PMID: 36906036 DOI: 10.1016/j.scitotenv.2023.162700] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Intercropping with hyperaccumulators is believed to be an important and efficient way to achieve simultaneous safe agricultural production and phytoremediation of polluted soils. However, some studies have suggested that this technique might facilitate the uptake of heavy metals by crops. To investigate the effects of intercropping on the heavy metal contents of plants and soil, data from 135 global studies were collected and analyzed by meta-analysis. The results showed that intercropping could significantly reduce the contents of heavy metals in the main plants and soils. Plant species was the main factor that affected plant and soil metal contents in the intercropping system, and the heavy metal content could be significantly reduced when members of the Poaceae and Crassulaceae were used as main plants or when legumes were used as intercropped plants. Among all the intercropped plants, the best one for removing heavy metals from the soil was a Crassulaceae hyperaccumulator. These results not only highlight the main factors affecting intercropping systems but also provide reliable reference information for the practice of safe agricultural production coupled with phytoremediation of heavy metal-contaminated farmland.
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Affiliation(s)
- Yaru Liu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Lukuan Huang
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zheyu Wen
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yingyi Fu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qizhen Liu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shunan Xu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhesi Li
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chanjuan Liu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chao Yu
- Livestock Industrial Development Center of Shengzhou, Shengzhou 312400, China
| | - Ying Feng
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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Wei Y, Peng X, Wang X, Wang C. The heavy metal-associated isoprenylated plant protein (HIPP) gene family plays a crucial role in cadmium resistance and accumulation in the tea plant (Camellia sinensis L.). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115077. [PMID: 37257351 DOI: 10.1016/j.ecoenv.2023.115077] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/21/2023] [Accepted: 05/25/2023] [Indexed: 06/02/2023]
Abstract
Heavy metal-associated isoprenylated plant proteins (HIPPs) are only distributed in vascular plants, and are essential for the detoxification and vascular transport of heavy metals in plants. However, the HIPP gene family has not been thoroughly explored in the tea plant (Camellia sinensis). In this study, we systematically identified 56C. sinensis CsHIPP genes from five groups and characterized their phylogeny, structures, and the features of the encoded proteins. The expression patterns of CsHIPP genes in various tissues of C. sinensis were investigated based on a previous RNA-seq data analysis. The expression patterns of CsHIPP genes were explored in cadmium (Cd)-treated C. sinensis roots using our RNA-seq data. Three CsHIPP genes (CsHIPP22, CsHIPP24, and CsHIPP36) with high expression levels in Cd-treated C. sinensis roots were selected as candidate genes associated with Cd tolerance. Overexpression of CsHIPP22, CsHIPP24, and CsHIPP36 in a yeast mutant (ycf1) rescued Cd-sensitive ycf1 yeast and increased the yeast resistance to Cd stress, implying that these three CsHIPPs might be involved in Cd tolerance. These findings will enable the roles of HIPPs in Cd absorption and detoxification to be better understood as well as improving our understanding of the Cd-resistance and Cd-accumulation mechanisms in tea plant.
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Affiliation(s)
- Yunfeng Wei
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Xuqian Peng
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Xiaojing Wang
- College of Tea Science, Guizhou University, Guiyang 550025, China.
| | - Cheng Wang
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, College of Life Scienceand Technology, Hubei EngineeringUniversity, Xiaogan 432000, China.
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Hassan SH, Chafik Y, Sena-Velez M, Lebrun M, Scippa GS, Bourgerie S, Trupiano D, Morabito D. Importance of Application Rates of Compost and Biochar on Soil Metal(Loid) Immobilization and Plant Growth. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112077. [PMID: 37299057 DOI: 10.3390/plants12112077] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/14/2023] [Accepted: 05/20/2023] [Indexed: 06/12/2023]
Abstract
In this study, we investigated the effect of different rates of compost (20%, 40%, 60% w/w) in combination with biochar (0%, 2%, 6% w/w) on soil physiochemical properties and the mobility of arsenic (As) and lead (Pb), in addition to the ability of Arabidopsis thaliana (ecotype Columbia-0) to grow and accumulate metal(loid)s. All modalities improved pH and electrical conductivity, stabilized Pb and mobilized As, but only the mixture of 20% compost and 6% biochar improved plant growth. Plants in all modalities showed a significant reduction in root and shoot Pb concentrations compared to the non-amended technosol. In contrast, As shoot concentration was significantly lower for plants in all modalities (except with 20% compost only) compared to non-amended technosol. For root As, plants in all modalities showed a significant reduction except for the mixture of 20% compost and 6% biochar. Overall, our results indicate that the mixture of 20% compost with 6% biochar emerged as the optimum combination for improving plant growth and As uptake, making it the possible optimum combination for enhancing the efficiency of land reclamation strategies. These findings provide a foundation for further research on the long-term effects and potential applications of the compost-biochar combination in improving soil quality.
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Affiliation(s)
- Sayyeda Hira Hassan
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, INRAE, USC 1328, LBLGC EA 1207, CEDEX 2, 45067 Orléans, France
| | - Yassine Chafik
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, INRAE, USC 1328, LBLGC EA 1207, CEDEX 2, 45067 Orléans, France
- Laboratory for Improving Agricultural Production, Biotechnology and the Environment, Department of Biology, Faculty of Sciences, University of Mohammed First, BP717, Oujda 60000, Morocco
| | - Marta Sena-Velez
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, INRAE, USC 1328, LBLGC EA 1207, CEDEX 2, 45067 Orléans, France
| | - Manhattan Lebrun
- Department of Environmental Geosciences, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 16500 Prague, Czech Republic
| | | | - Sylvain Bourgerie
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, INRAE, USC 1328, LBLGC EA 1207, CEDEX 2, 45067 Orléans, France
| | - Dalila Trupiano
- Department of Biosciences and Territory, University of Molise, 86090 Pesche, Italy
| | - Domenico Morabito
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, INRAE, USC 1328, LBLGC EA 1207, CEDEX 2, 45067 Orléans, France
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68
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Goncharuk EA, Zagoskina NV. Heavy Metals, Their Phytotoxicity, and the Role of Phenolic Antioxidants in Plant Stress Responses with Focus on Cadmium: Review. Molecules 2023; 28:molecules28093921. [PMID: 37175331 PMCID: PMC10180413 DOI: 10.3390/molecules28093921] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
The current state of heavy metal (HM) environmental pollution problems was considered in the review: the effects of HMs on the vital activity of plants and the functioning of their antioxidant system, including phenolic antioxidants. The latter performs an important function in the distribution and binding of metals, as well as HM detoxification in the plant organism. Much attention was focused on cadmium (Cd) ions as one of the most toxic elements for plants. The data on the accumulation of HMs, including Cd in the soil, the entry into plants, and the effect on their various physiological and biochemical processes (photosynthesis, respiration, transpiration, and water regime) were analyzed. Some aspects of HMs, including Cd, inactivation in plant tissues, and cell compartments, are considered, as well as the functioning of various metabolic pathways at the stage of the stress reaction of plant cells under the action of pollutants. The data on the effect of HMs on the antioxidant system of plants, the accumulation of low molecular weight phenolic bioantioxidants, and their role as ligand inactivators were summarized. The issues of polyphenol biosynthesis regulation under cadmium stress were considered. Understanding the physiological and biochemical role of low molecular antioxidants of phenolic nature under metal-induced stress is important in assessing the effect/aftereffect of Cd on various plant objects-the producers of these secondary metabolites are widely used for the health saving of the world's population. This review reflects the latest achievements in the field of studying the influence of HMs, including Cd, on various physiological and biochemical processes of the plant organism and enriches our knowledge about the multifunctional role of polyphenols, as one of the most common secondary metabolites, in the formation of plant resistance and adaptation.
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Affiliation(s)
- Evgenia A Goncharuk
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia
| | - Natalia V Zagoskina
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia
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69
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Sun S, Fan X, Feng Y, Wang X, Gao H, Song F. Arbuscular mycorrhizal fungi influence the uptake of cadmium in industrial hemp (Cannabis sativa L.). CHEMOSPHERE 2023; 330:138728. [PMID: 37080470 DOI: 10.1016/j.chemosphere.2023.138728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
Phytoremediation is currently a more environmentally friendly and economical measure for the remediation of cadmium (Cd) contaminated soil. Heavy metal-resistant plant species, Cannabis sativa L. was inoculated with Rhizophagus irregularis to investigate the mechanisms of mycorrhizal in improving the Cd remediation ability of C. sativa. The results showed that after inoculation with R. irregularis, C. sativa root Cd contents increased significantly, and leaf Cd enrichment decreased significantly. At the transcriptional level, R. irregularis down-regulated the expression of the ABC transporter family but up-regulated differentially expressed genes regulating low molecular weight organic acids. The levels of malic acid, citric acid, and lactic acid were significantly increased in the rhizosphere soil, and they were significantly and strongly related to oxidizable Cd concentrations. Then citric acid levels were considerably and positively connected to exchangeable Cd concentrations. Our findings revealed that through regulating the movement of root molecules, arbuscular mycorrhizal fungus enhanced the heavy metal tolerance of C. sativa even more, meanwhile, they changed the Cd chemical forms by altering the composition of low molecular weight organic acids, which in turn affected soil Cd bioavailability.
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Affiliation(s)
- Simiao Sun
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China; Jiaxiang Industrial Technology Research Institute, Heilongjiang University, Jining, 272400, China; Heilongjiang Fertilizer Engineering Technology Research Center, Heilongjiang Academy of Agricultural Sciences, Harbin, 150086, China; Heilongjiang Academy of Black Soil Conservation & Utilization, Heilongjiang Academy of Agricultural Sciences, Harbin, 150086, China
| | - Xiaoxu Fan
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China
| | - Yuhan Feng
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China; Jiaxiang Industrial Technology Research Institute, Heilongjiang University, Jining, 272400, China
| | - Xiaohui Wang
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China; Jiaxiang Industrial Technology Research Institute, Heilongjiang University, Jining, 272400, China
| | - Hongsheng Gao
- Heilongjiang Fertilizer Engineering Technology Research Center, Heilongjiang Academy of Agricultural Sciences, Harbin, 150086, China; Heilongjiang Academy of Black Soil Conservation & Utilization, Heilongjiang Academy of Agricultural Sciences, Harbin, 150086, China
| | - Fuqiang Song
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, 150080, China; Jiaxiang Industrial Technology Research Institute, Heilongjiang University, Jining, 272400, China.
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Wang R, Liu T, Lu C, Zhang Z, Guo P, Jia B, Hao B, Wang Y, Guo W. Bioorganic fertilizers improve the adaptability and remediation efficiency of Puccinellia distans in multiple heavy metals-contaminated saline soil by regulating the soil microbial community. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130982. [PMID: 36860055 DOI: 10.1016/j.jhazmat.2023.130982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
Soil salinization and heavy metal (HM) pollution are global environmental problems. Bioorganic fertilizers facilitate phytoremediation, but their roles and microbial mechanisms in natural HM-contaminated saline soils have not been explored. Therefore, greenhouse pot trials were conducted with three treatments: control (CK), manure bioorganic fertilizer (MOF), and lignite bioorganic fertilizer (LOF). The results showed that MOF and LOF significantly increased nutrient uptake, biomass, toxic ion accumulation in Puccinellia distans, soil available nutrients, SOC, and macroaggregates. More biomarkers were enriched in MOF and LOF. Network analysis confirmed that MOF and LOF increased the number of bacterial functional groups and fungal community stability and strengthened their positive association with plants; Bacteria have a more significant effect on phytoremediation. Most biomarkers and keystones play important roles in promoting plant growth and stress resistance in the MOF and LOF treatments. In summary, besides enrichment of soil nutrients, MOF and LOF can also improve the adaptability and phytoremediation efficiency of P. distans by regulating the soil microbial community, with LOF having a greater effect.
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Affiliation(s)
- Run Wang
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Tai Liu
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Chengyan Lu
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Zhechao Zhang
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Peiran Guo
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Bingbing Jia
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Baihui Hao
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Yuchen Wang
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Wei Guo
- Inner Mongolia Key Laboratory of Environmental Pollution Control and Waste Resource Recycle, Ministry of Education Collaborative Innovation Center for Grassland Ecological Security, Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China.
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71
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Schommer VA, Vanin AP, Nazari MT, Ferrari V, Dettmer A, Colla LM, Piccin JS. Biochar-immobilized Bacillus spp. for heavy metals bioremediation: A review on immobilization techniques, bioremediation mechanisms and effects on soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163385. [PMID: 37054796 DOI: 10.1016/j.scitotenv.2023.163385] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/15/2023]
Abstract
Heavy metals contamination present risks to ecosystems and human health. Bioremediation is a technology that has been applied to minimize the levels of heavy metals contamination. However, the efficiency of this process varies according to several biotic and abiotic aspects, especially in environments with high concentrations of heavy metals. Therefore, microorganisms immobilization in different materials, such as biochar, emerges as an alternative to alleviate the stress that heavy metals have on microorganisms and thus improve the bioremediation efficiency. In this context, this review aimed to compile recent advances in the use of biochar as a carrier of bacteria, specifically Bacillus spp., with subsequent application for the bioremediation of soil contaminated with heavy metals. We present three different techniques to immobilize Bacillus spp. on biochar. Bacillus strains are capable of reducing the toxicity and bioavailability of metals, while biochar is a material that serves as a shelter for microorganisms and also contributes to bioremediation through the adsorption of contaminants. Thus, there is a synergistic effect between Bacillus spp. and biochar for the heavy metals bioremediation. Biomineralization, biosorption, bioreduction, bioaccumulation and adsorption are the mechanisms involved in this process. The application of biochar-immobilized Bacillus strains results in beneficial effects on the contaminated soil, such as the reduction of toxicity and accumulation of metals in plants, favoring their growth, in addition to increasing microbial and enzymatic activity in soil. However, competition and reduction of microbial diversity and the toxic characteristics of biochar are reported as negative impacts of this strategy. More studies using this emerging technology are essential to improve its efficiency, to elucidate the mechanisms and to balance positive and negative impacts, especially at the field scale.
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Affiliation(s)
- Vera Analise Schommer
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Ana Paula Vanin
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Mateus Torres Nazari
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Valdecir Ferrari
- Graduate Program in Mining, Metallurgical and Materials Engineering (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Aline Dettmer
- Graduate Program in Food Science and Technology (PPGCTA), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Luciane Maria Colla
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil.
| | - Jeferson Steffanello Piccin
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
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Narayanan M, Ma Y. Metal tolerance mechanisms in plants and microbe-mediated bioremediation. ENVIRONMENTAL RESEARCH 2023; 222:115413. [PMID: 36736758 DOI: 10.1016/j.envres.2023.115413] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
The heavy metal contamination, which causes toxic effects on plants, has evolved into a significant constraint to plant quality and yield. This scenario has been exacerbated by booming population expansion and intrinsic food insecurity. Numerous studies have found that counteracting heavy metal tolerance and accumulation necessitates complex mechanisms at the biochemical, molecular, tissue, cellular and whole plant levels, which may demonstrate increased crop yields. Essential and non-essential elements have similar harmful impacts on plants including reduced biomass production, growth and photosynthesis inhibition, chlorosis, altered fluid balance and nutrient absorption, as well as senescence, all of which led to plant death. Notable biotechnological strategies for effective remediation require knowledge of metal stress and tolerance mechanisms in plants. Assimilation, cooperation and integration, of biotechnological improvements, are required for adequate environmental rehabilitation in the emerging area of bioremediation. This review emphasizes a deeper understanding of metal toxicity, stress, and potential tolerance mechanisms in plants exposed to metal stress. The microbe-mediated metal toxic effects and stress mitigation knowledge can be used to create a new strategic plan as feasible, sustainable, and environmentally friendly bioremediation techniques.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Division of Research and Innovation, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Chennai, Tamil Nadu, India
| | - Ying Ma
- College of Resources and Environment, Southwest University, Chongqing, 400716, China.
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Xie J, Xu X, Zhang S, Yang Z, Wang G, Li T, Pu Y, Zhou W, Xu C, Lv G, Cheng Z, Xian J, Pu Z. Activation and tolerance of Siegesbeckia Orientalis L. rhizosphere to Cd stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1145012. [PMID: 37035082 PMCID: PMC10081161 DOI: 10.3389/fpls.2023.1145012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 02/27/2023] [Indexed: 06/19/2023]
Abstract
This experiment investigated the changes of rhizosphere soil microenvironment for hyperaccumulation-soil system under Cd stress in order to reveal the mechanism of hyperaccumulation and tolerance. Thus, Cd fractions, chemical compositions, and biochemical characteristics in rhizosphere soil of Siegesbeckia orientalis L. under Cd stress conditions of 0, 5, 10, 25, 50, 100, and 150 mg kg-1 were investigated through a root bag experiment, respectively. As a result, Cd induced the acidification of S. orientalis rhizosphere soil, and promoted the accumulation of dissolved organic carbon (DOC) and readily oxidizable organic carbon (ROC), which increased by 28.39% and 6.98% at the maximum compared with control. The percentage of labile Cd (acid-soluble and reducible Cd) in soil solution increased significantly (P < 0.05) from 31.87% to 64.60% and from 26.00% to 34.49%, respectively. In addition, rhizosphere microenvironment can alleviate the inhibition of Cd on soil microorganisms and enzymes compare with bulk soils. Under medium and low concentrations of Cd, the rhizosphere soil microbial biomass carbon (MBC), basal respiration, ammonification and nitrification were significantly increased (P < 0.05), and the activities of key enzymes were not significantly inhibited. This suggests that pH reduction and organic carbon (DOC and ROC) accumulation increase the bioavailability of Cd and may have contributed to Cd accumulation in S. orientalis. Moreover, microorganisms and enzymes in rhizosphere soils can enhance S. orientalis tolerance to Cd, alleviating the nutrient imbalance and toxicity caused by Cd pollution. This study revealed the changes of physicochemical and biochemical properties of rhizosphere soil under Cd stress. Rhizosphere soil acidification and organic carbon accumulation are key factors promoting Cd activation, and microorganisms and enzymes are the responses of Cd tolerance.
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Affiliation(s)
- Jianyu Xie
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
| | - Xiaoxun Xu
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Soil Environment Protection of Sichuan Province, Chengdu, China
| | - Shirong Zhang
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Soil Environment Protection of Sichuan Province, Chengdu, China
| | - Zhanbiao Yang
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Soil Environment Protection of Sichuan Province, Chengdu, China
| | - Guiyin Wang
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
- Key Laboratory of Soil Environment Protection of Sichuan Province, Chengdu, China
| | - Ting Li
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Yulin Pu
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Wei Zhou
- College of Resources, Sichuan Agricultural University, Chengdu, China
| | - Changlian Xu
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
| | - Guochun Lv
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
| | - Zhang Cheng
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
| | - Junren Xian
- College of Environmental Sciences, Sichuan Agricultural University, Chengdu, China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Chengdu, China
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Cui L, Tian X, Xie H, Cong X, Cui L, Wu H, Wang J, Li B, Zhao J, Cui Y, Feng X, Li YF. Cardamine violifolia as a potential Hg hyperaccumulator and the cellular responses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160940. [PMID: 36528102 DOI: 10.1016/j.scitotenv.2022.160940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/10/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Cardamine violifolia belongs to the Brassicaceae family and is a selenium (Se) hyperaccumulator found in Enshi, China. In this study, C. violifolia was found to accumulate mercury (Hg) in its roots and aboveground parts at concentrations up to 6000 μg/g. In the seedling and mature stages, the bioaccumulation factors (BAFS) of Hg reached 1.8-223, while the translocation factor (TF) for Hg reached 1.5. We observed a significant positive correlation between THg concentrations in plant tissues and those in the soil (r2 = 0.71-0.84). Synchrotron radiation X-ray fluorescence with focused X-ray (μ-SRXRF) showed that Hg was translocated from the roots to shoots through the vascular bundle and was transported through the leaf veins in leaves. Transmission electron microscopy showed that root cells were more tolerant to Hg than leaf cells. These findings provide insights into the mechanisms of Hg hyperaccumulation in C. violifolia. Overall, we demonstrated that C. violifolia is a promising Hg hyperaccumulator that may be used for phytoremediating Hg-contaminated farmlands.
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Affiliation(s)
- Liwei Cui
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Xue Tian
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, Beijing 100049, China; Beijing Metallomics Facility, Chinese Academy of Sciences, Beijing 100049, China; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Hongxin Xie
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, Beijing 100049, China; Beijing Metallomics Facility, Chinese Academy of Sciences, Beijing 100049, China; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Cong
- Enshi Se-Run Material Engineering Technology Co., Ltd., Enshi 445000, Hubei, China; National R&D Center for Se-rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lihong Cui
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Han Wu
- School of Material Science and Chemical Engineering, Harbin University of Science and Technology, Harbin 150080, Heilongjiang, China
| | - Jianxu Wang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, Guizhou, China
| | - Bai Li
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, Beijing 100049, China; Beijing Metallomics Facility, Chinese Academy of Sciences, Beijing 100049, China; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Jiating Zhao
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, Beijing 100049, China; Beijing Metallomics Facility, Chinese Academy of Sciences, Beijing 100049, China; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
| | - Yanshan Cui
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China
| | - Xinbin Feng
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, Guizhou, China
| | - Yu-Feng Li
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, Chinese Academy of Sciences, Beijing 100049, China; CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, Chinese Academy of Sciences, Beijing 100049, China; Beijing Metallomics Facility, Chinese Academy of Sciences, Beijing 100049, China; National Consortium for Excellence in Metallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.
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75
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Liu S, Peng X, Wang X, Zhuang W. Transcriptome Analysis Reveals Differentially Expressed Genes Involved in Cadmium and Arsenic Accumulation in Tea Plant ( Camellia sinensis). PLANTS (BASEL, SWITZERLAND) 2023; 12:1182. [PMID: 36904042 PMCID: PMC10007383 DOI: 10.3390/plants12051182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
Tea (Camellia sinensis) is the second most consumed drink in the world. Rapid industrialization has caused various impacts on nature and increased pollution by heavy metals. However, the molecular mechanisms of cadmium (Cd) and arsenic (As) tolerance and accumulation in tea plants are poorly understood. The present study focused on the effects of heavy metals Cd and As on tea plants. Transcriptomic regulation of tea roots after Cd and As exposure was analyzed to explore the candidate genes involved in Cd and As tolerance and accumulation. In total, 2087, 1029, 1707, and 366 differentially expressed genes (DEGs) were obtained in Cd1 (with Cd treatment for 10 days) vs. CK (without Cd treatment), Cd2 (with Cd treatment for 15 days) vs. CK, As1 (with As treatment for 10 days) vs. CK (without Cd treatment), and As2 (with As treatment for 15 days) vs. CK, respectively. Analysis of DEGs showed that a total of 45 DEGs with the same expression patterns were identified in four pairwise comparison groups. One ERF transcription factor (CSS0000647) and six structural genes (CSS0033791, CSS0050491, CSS0001107, CSS0019367, CSS0006162, and CSS0035212) were only increased at 15 d of Cd and As treatments. Using weighted gene co-expression network analysis (WGCNA) revealed that the transcription factor (CSS0000647) was positively correlated with five structural genes (CSS0001107, CSS0019367, CSS0006162, CSS0033791, and CSS0035212). Moreover, one gene (CSS0004428) was significantly upregulated in both Cd and As treatments, suggesting that these genes might play important roles in enhancing the tolerance to Cd and As stresses. These results provide candidate genes to enhance multi-metal tolerance through the genetic engineering technology.
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Affiliation(s)
- Shiqi Liu
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Xuqian Peng
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Xiaojing Wang
- College of Tea Science, Guizhou University, Guiyang 550025, China
| | - Weibing Zhuang
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing Botanical Garden Mem. Sun Yat-Sen, Nanjing 210014, China
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76
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Nguyen NH, Nguyen QT, Dang DH, Emery RJN. Phytohormones enhance heavy metal responses in Euglena gracilis: Evidence from uptake of Ni, Pb and Cd and linkages to hormonomic and metabolomic dynamics. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121094. [PMID: 36682616 DOI: 10.1016/j.envpol.2023.121094] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/28/2022] [Accepted: 01/14/2023] [Indexed: 06/17/2023]
Abstract
Over the last decade, significant effort has been made to understand phytohormonal functions (e.g., cytokinins (CKs) and abscisic acid (ABA)) in metal stress responses of higher plants and algae. Despite the potential for these phytohormones to improve industrial remediation by Euglena gracilis (Euglenophyceae), no such roles have been elucidated for this highly adaptive species and its response to heavy metals. This study demonstrates that toxic metals (nickel, lead, cadmium) modify hormonal activity profiles (i.e., CK forms and their concentrations) in E. gracilis. Furthermore, exogenous ABA or CK (tZ) enabled higher metal uptake efficiency (i.e., 9.35% in lead and 9.2% in cadmium uptake with CK) and alleviated metal toxicity through the regulation of endogenous CKs (i.e., total CK, isoprenoid CK) and gibberellin (GAs, GA1 and GA3) levels. These responses suggest that E. gracilis regulates multiple phytohormone signals during metal stress acclimation. A deeper approach, using untargeted metabolomic analyses, gave more detailed insight into phytohormone-controlled pathways and associated modified metabolites, which were frequently related to metal accumulation and the physiological acclimation to metal presence. Significant changes in the levels of cellular metabolites, especially those involved in acclimation to metal stress, were under the influence of phytohormones in algal cells. When grown under metal stress conditions, the presence of exogenous ABA or CKs, caused changes in cellular metabolites which included those from: lipid pathways, riboflavin metabolism, the biosynthesis of cofactors/vitamins, and carbohydrate metabolism. Also, bioactive secondary metabolites (e.g., terpenoids, alkaloids, flavonoids, carotenoids) were modified in algal cells treated with phytohormones. Thus, the study gives a detailed view on the regulatory functions of ABA and CKs in algal metal bioremediation strategies, which are attributed to enhanced metal uptake and in the fine-tuning of plant hormone levels during metal stress response. The results can guide efforts to develop efficient, low-cost and environmentally friendly methods for bioremediation.
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Affiliation(s)
- Ngoc Hai Nguyen
- Trent University, Department of Biology, Peterborough, Canada.
| | | | - Duc Huy Dang
- Trent University, School of the Environment and Chemistry Department, Peterborough, Canada
| | - R J Neil Emery
- Trent University, Department of Biology, Peterborough, Canada
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Thakur K, Kuthiala T, Singh G, Arya SK, Iwai CB, Ravindran B, Khoo KS, Chang SW, Awasthi MK. An alternative approach towards nitrification and bioremediation of wastewater from aquaponics using biofilm-based bioreactors: A review. CHEMOSPHERE 2023; 316:137849. [PMID: 36642133 DOI: 10.1016/j.chemosphere.2023.137849] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/14/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Aquaponics combines the advantages of aquaculture and hydroponics as it suits the urban environment where a lack of agricultural land and water resources is observed. It is an ecologically sound system that completely reuses its system waste as plant fertilizer. It offers sustainable water savings, making it a supreme technology for food production. The two major processes that hold the system together are nitrification and denitrification. The remains of fish in form of ammonia reach the bio filters where it is converted into nitrite and further into nitrate in presence of nitrifying and denitrifying bacteria. Nitrate eventually is taken up by the plants. However, even after the uptake from the flow stream, the effluent contains remaining ammonium and nitrates, which cannot be directly released into the environment. In this review it is suggested how integrating the biofilm-based bioreactors in addition to aquaculture and hydroponics eliminates the possibility of remains of total ammonia nitrogen [TAN] contents, leading to bioremediation of effluent water from the system. Effluent water after releasing from a bioreactor can be reused in an aquaculture system, conditions provided in these bioreactors promote the growth of required bacteria and encourages the mutual development of plants and fishes and eventually leading to bioremediation of wastewater from aquaponics.
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Affiliation(s)
- Kritika Thakur
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India
| | - Tanya Kuthiala
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India
| | - Gursharan Singh
- Department of Medical Laboratory Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Shailendra Kumar Arya
- Department of Biotechnology, University Institute of Engineering and Technology, Panjab University, Chandigarh, India.
| | - Chuleemas Boonthai Iwai
- Integrated Land and Water Resource Management Research and Development Center in Northeast Thailand, Khon Kaen University, Thailand; Department of Soil Science and Environment, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
| | - Balasubramani Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University, Yeongtong-Gu, Suwon, Gyeonggi-Do, 16227, South Korea; Department of Medical Biotechnology and Integrative Physiology, Institute of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai 602105, Tamil Nadu, India.
| | - Kuan Shiong Khoo
- Biorefinery and Bioprocess Engineering Laboratory, Department of Chemical Engineering and Material Science, Yuan Ze University, Taoyuan, Taiwan
| | - Soon Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University, Yeongtong-Gu, Suwon, Gyeonggi-Do, 16227, South Korea
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3# Shaanxi, Yangling, 712100, China.
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78
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Su X, Tian X, Sun Z, Zou X, Zhang W. Signal-on electrochemical aptasensor based on RGO-AuNPs and exonuclease-III with assistance of external probe for Hg2+ determination in shellfish. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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79
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Wang S, Lv X, Fu M, Wang Z, Zhang D, Sun Q. Risk assessment of Artemia egg shell-Mg-P composites as a slow-release phosphorus fertilizer during its formation and application in typical heavy metals contaminated environment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 329:117092. [PMID: 36571950 DOI: 10.1016/j.jenvman.2022.117092] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 12/04/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Artemia egg shell loaded with nano-magnesium (shell-Mg) can be used to recover phosphorus from wastewater. The exhausted Artemia egg shell-Mg (denoted as shell-Mg-P) can be used as a slow-release fertilizer for phosphorus reuse. However, due to the coexistence of heavy metal ions in the environment, the application of slow-release fertilizer for phosphorus removal and reuse may have potential risks. In this paper, the potential risks of Pb2+, Cd2+, Zn2+ and Cu2+ in phosphorus wastewater and soil were studied from the formation and application process of shell-Mg-P. The result showed that shell-Mg adsorbed Pb2+, Cd2+, Zn2+ and Cu2+ in phosphate wastewater during the formation of shell-Mg-P and became shell-Mg-P-metal hybrid biomaterial. Although the experiment proved that the existence of heavy metal ions did not affect the phosphorus slow-release behavior of slow-release fertilizer, but the heavy metal ions in the shell-Mg-P-metal were also slow released. The pot experiment results confirmed that the slow-release phosphorus fertilizers (shell-Mg-P and shell-Mg-P-metal) in the soil polluted in low concentration of heavy metals can reduce the amount of heavy metals in whole wheat seedlings and promote wheat seedling growth. However, the application of slow-release fertilizers increased the translocation efficiency (TFR to SL) of metal from root (R) to aboveground part (stem and leaves, SL), promoted the transportation of heavy metals from roots to the stems and leaves, and increased the safety risk of the wheat seedling edible. Therefore, besides the positive role of slow-release fertilizers in retaining heavy metals and reducing the amount of heavy metals in whole seedlings, the risk that it may aggravate the translocation of heavy metals to stems and leaves should be paid more attention, so as to ensure the safe and reliable application of slow-release fertilizers.
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Affiliation(s)
- Sufeng Wang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, PR China.
| | - Xiaojuan Lv
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China
| | - Mingwei Fu
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China
| | - Zijing Wang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China
| | - Dan Zhang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China
| | - Qina Sun
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, PR China
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Khan WU, Yasin NA, Ahmad SR, Nazir A, Naeem K, Nadeem QUA, Nawaz S, Ijaz M, Tahir A. Burkholderia cepacia CS8 improves phytoremediation potential of Calendula officinalis for tannery solid waste polluted soil. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 25:1656-1668. [PMID: 36855239 DOI: 10.1080/15226514.2023.2183717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Microbes have shown potential for the bioremediation of tannery waste polluted soil. During our previous study, it was observed that heavy metal resistant Burkholderia cepacia CS8 augmented growth and phytoremediation capability of an ornamental plant. Objective of the present research work was to evaluate the capability of B. cepacia CS8 assisted Calendula officinalis plants for the phytoremediation of tannery solid waste (TSW) polluted soil. The TSW treatment significantly reduced growth attributes and photosynthetic pigments in C. officinalis. However, supplementation of B. cepacia CS8 which exhibited substantial tolerance to the TSW amended soil, augmented growth traits, carotenoid, proline, and antioxidant enzymes level in C. officinalis under toxic and nontoxic regimes. Inoculation of B. cepacia CS8 augmented plant growth (shoot length 13%, root length 11%), physiological attributes (chlorophyll a 14%, chlorophyll b 17%), antioxidant enzyme activities (peroxidase 24%, superoxide dismutase 31% and catalase 19%), improved proline 36%, phenol 32%, flavonoids 14% and declined malondialdehyde (MDA) content 15% and hydrogen peroxide (H2O2) level 12% in C. officinalis at TSW10 stress compared with relevant un-inoculated plants of TSW10 treatment. Moreover, B. cepacia CS8 application enhanced labile metals in soil and subsequent metal uptake, such as Cr 19%, Cd 22%, Ni 35%, Fe 18%, Cu 21%, Pb 34%, and Zn 30%, respectively in C. officinalis plants subjected to TSW10 stress than that of analogous un-inoculated treatment. Higher plant stress tolerance and improved phytoremediation potential through microbial inoculation will assist in the retrieval of agricultural land in addition to the renewal of native vegetation.
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Affiliation(s)
- Waheed Ullah Khan
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | | | - Sajid Rashid Ahmad
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - Aisha Nazir
- Environmental Biotechnology Laboratory (F4), Institute of Botany, University of the Punjab, Lahore, Pakistan
| | - Khadija Naeem
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - Qurat Ul Ain Nadeem
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - Shahrukh Nawaz
- Department of Environmental Sciences, Government College University, Faisalabad, Pakistan
| | - Madiha Ijaz
- College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
| | - Arifa Tahir
- Department of Environmental Science, Lahore College for Women University, Lahore, Pakistan
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81
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Enrichment and distribution characteristics of heavy metal(loid)s in native plants of abandoned farmlands in sewage irrigation area. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50471-50483. [PMID: 36795208 DOI: 10.1007/s11356-023-25810-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 02/04/2023] [Indexed: 02/17/2023]
Abstract
Soil samples and native plants were collected from abandoned farmlands with a long history of sewage irrigation along Dongdagou stream, Baiyin City. We investigated the concentrations of heavy metal(loid)s (HMMs) in soil-plant system to evaluate the accumulation and transportation ability of HMMs in native plants. Results indicated that soils in study area were severely polluted by Cd, Pb, and As. With the exception of Cd, the correlation between total HMM concentrations in soil and plant tissues was poor. Among all investigated plants, no one was close to the criteria for the HMM concentrations of hyperaccumulators. The concentrations of HMMs in most plants were reached the phytotoxic level and the abandoned farmlands could not be used as forages, which showed that native plants may possess resistance capabilities or high tolerance for As, Cu, Cd, Pb, and Zn. The FTIR (Fourier transform infrared spectrometer) results suggested that the detoxification of HMMs in plants may depend on the functional groups (-OH, C-H, C-O, and N-H) of some compounds. Bioaccumulation factor (BAF), bioconcentration factor (BCF), and biological transfer factor (BTF) were used to identify the accumulation and translocation characteristics of HMMs by native plants. S. glauca had the highest mean values of BTF for Cd (8.07) and Zn (4.75). C. virgata showed the highest mean BAFs for Cd (2.76) and Zn (9.43). P. harmala, A. tataricus, and A. anethifolia also presented high accumulation and translocation abilities for Cd and Zn. High HMMs (As, Cu, Cd, Pb, and Zn) accumulation in the aerial parts of plants may lead to increased accumulation of HMMs in the food chain; additional research is desperately required. This study demonstrated the HM enrichment characteristics of weeds and provided a basis for the management of abandoned farmlands.
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Li S, Zhuo R, Yu M, Lin X, Xu J, Qiu W, Li H, Han X. A novel gene SpCTP3 from the hyperaccumulator Sedum plumbizincicola redistributes cadmium and increases its accumulation in transgenic Populus × canescens. FRONTIERS IN PLANT SCIENCE 2023; 14:1111789. [PMID: 36844053 PMCID: PMC9945123 DOI: 10.3389/fpls.2023.1111789] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
A cadmium (Cd) tolerance protein (SpCTP3) involved in the Sedum plumbizincicola response to Cd stress was identified. However, the mechanism underlying the Cd detoxification and accumulation mediated by SpCTP3 in plants remains unclear. We compared wild-type (WT) and SpCTP3-overexpressing transgenic poplars in terms of Cd accumulation, physiological indices, and the expression profiles of transporter genes following with 100 μmol/L CdCl2. Compared with the WT, significantly more Cd accumulated in the above-ground and below-ground parts of the SpCTP3-overexpressing lines after 100 μmol/L CdCl2 treatment. The Cd flow rate was significantly higher in the transgenic roots than in the WT roots. The overexpression of SpCTP3 resulted in the subcellular redistribution of Cd, with decreased and increased Cd proportions in the cell wall and the soluble fraction, respectively, in the roots and leaves. Additionally, the accumulation of Cd increased the reactive oxygen species (ROS) content. The activities of three antioxidant enzymes (peroxidase, catalase, and superoxide dismutase) increased significantly in response to Cd stress. The observed increase in the titratable acid content in the cytoplasm might lead to the enhanced chelation of Cd. The genes encoding several transporters related to Cd2+ transport and detoxification were expressed at higher levels in the transgenic poplars than in the WT plants. Our results suggest that overexpressing SpCTP3 in transgenic poplar plants promotes Cd accumulation, modulates Cd distribution and ROS homeostasis, and decreases Cd toxicity via organic acids. In conclusion, genetically modifying plants to overexpress SpCTP3 may be a viable strategy for improving the phytoremediation of Cd-polluted soil.
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Affiliation(s)
- Shaocui Li
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
- Forestry Faculty, Nanjing Forestry University, Nanjing, Jiangsu, China
| | - Renying Zhuo
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
| | - Miao Yu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
| | - Xiaoyu Lin
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jing Xu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
| | - Wenmin Qiu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
| | - Haiying Li
- Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, China
| | - Xiaojiao Han
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding of Zhejiang Province, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou, Zhejiang, China
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83
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Subash A, Naebe M, Wang X, Kandasubramanian B. Biopolymer - A sustainable and efficacious material system for effluent removal. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130168. [PMID: 36302289 DOI: 10.1016/j.jhazmat.2022.130168] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 10/03/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Undesired discharge of various effluents directly into the aquatic ecosystem can adversely affect water quality, endangering aquatic and terrestrial flora and fauna. Therefore, the conceptual design and fabrication of a sustainable system for alleviating the harmful toxins that are discharged into the atmosphere and water bodies using a green sustainable approach is a fundamental standpoint. Adsorptive removal of toxins (∼99% removal efficacy) is one of the most attractive and facile approaches for cleaner technologies that remediate the environmental impacts and provide a safe operating space. Recently, the introduction of biopolymers for the adsorptive abstraction of toxins from water has received considerable attention due to their eclectic accessibility, biodegradability, biocompatibility, non-toxicity, and enhanced removal efficacy (∼ 80-90% for electrospun fibers). This review summarizes the recent literature on the biosorption of various toxins by biopolymers and the possible interaction between the adsorbent and adsorbate, providing an in-depth perspective of the adsorption mechanism. Most of the observed results are explained in terms of (1) biopolymers classification and application, (2) toxicity of various effluents, (3) biopolymers in wastewater treatment and their removal mechanism, and (4) regeneration, reuse, and biodegradation of the adsorbent biopolymer.
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Affiliation(s)
- Alsha Subash
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Geelong, Victoria 3216, Australia; Nano Surface Texturing, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Girinagar, Pune 411025, Maharashtra, India
| | - Minoo Naebe
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Geelong, Victoria 3216, Australia
| | - Xungai Wang
- School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
| | - Balasubramanian Kandasubramanian
- Nano Surface Texturing, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Girinagar, Pune 411025, Maharashtra, India.
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Yu X, Yang Z, Xu Y, Wang Z, Fan C, Zeng X, Liu Y, Lei T, Jiang M, Li J, Xiao X, Yang L, Li X, Zhou Y, Gao S. Effect of chromium stress on metal accumulation and cell wall fractions in Cosmos bipinnatus. CHEMOSPHERE 2023; 315:137677. [PMID: 36608889 DOI: 10.1016/j.chemosphere.2022.137677] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/14/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
As one of the major pollutants in the environment, chromium (Cr), a heavy metal, poses a serious threat to urban green spaces and human life and health. Cosmos bipinnatus is considered a potential accumulator of Cr, and the differences in cellular Cr distribution and compartmentalization may uncover the mechanisms involved in its tolerance to Cr. To elucidate the effects of Cr stress on C. bipinnatus and determine the mechanism of Cr tolerance in C. bipinnatus, we investigated the physiological indicators, subcellular distribution and chemical forms, cell wall fractions and their Cr contents, uronic acid content in the cell wall fractions, and Fourier transform infrared spectroscopy (FTIR) of the cell wall. The results showed that the antioxidant enzyme activities in C. bipinnatus under Cr stress and most of the Cr were fixed in the cell wall. Notably, changes in the content of pectin fractions in the cell wall affected the accumulation of Cr in the cell wall of C. bipinnatus and the stability of negatively charged groups. In addition, the carboxyl and hydroxyl groups played a role in fixing metal in various parts of the C. bipinnatus cell wall.
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Affiliation(s)
- XiaoFang Yu
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - ZiHan Yang
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - YuHan Xu
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - ZhiWen Wang
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - ChunYu Fan
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - XiaoXuan Zeng
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - YuJia Liu
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ting Lei
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - MingYan Jiang
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - JiaNi Li
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xue Xiao
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - LiJuan Yang
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xi Li
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China
| | - YongHong Zhou
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - SuPing Gao
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, 611130, China.
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85
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Wang B, Lan J, Bo C, Gong B, Ou J. Adsorption of heavy metal onto biomass-derived activated carbon: review. RSC Adv 2023; 13:4275-4302. [PMID: 36760304 PMCID: PMC9891085 DOI: 10.1039/d2ra07911a] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 01/24/2023] [Indexed: 02/01/2023] Open
Abstract
Due to the rapid development of the social economy and the massive increase in population, human beings continue to undertake processing, and commercial manufacturing activities of heavy metals, which has caused serious damage to the environment and human health. Heavy metals lead to serious environmental problems such as soil contamination and water pollution. Human health and the living environment are closely affected by the handling of heavy metals. Researchers must find several simple, economical and practical methods to adsorb heavy metals. Adsorption technology has been recognized as an efficient and economic strategy, exhibiting the advantages of recovering and reusing adsorbents. Biomass-derived activated carbon adsorbents offer large adjustable specific surface area, hierarchically porous structure, strong adsorption capacity, and excellent high economic applicability. This paper focuses on reviewing the preparation methods of biomass-derived activated carbon in the past five years. The application of representative biomass-derived activated carbon in the adsorption of heavy metals preferentially was described to optimize the critical parameters of the activation type of samples and process conditions. The key factors of the adsorbent, the physicochemical properties of the heavy metals, and the adsorption conditions affecting the adsorption of heavy metals are highlighted. In addition, the challenges faced by biomass-derived activated carbon are also discussed.
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Affiliation(s)
- Baoying Wang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Jingming Lan
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Chunmiao Bo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China
| | - Junjie Ou
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University Yinchuan 750021 PR China .,CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China .,University of Chinese Academy of Sciences Beijing 100049 China
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Abstract
Living systems are built from a small subset of the atomic elements, including the bulk macronutrients (C,H,N,O,P,S) and ions (Mg,K,Na,Ca) together with a small but variable set of trace elements (micronutrients). Here, we provide a global survey of how chemical elements contribute to life. We define five classes of elements: those that are (i) essential for all life, (ii) essential for many organisms in all three domains of life, (iii) essential or beneficial for many organisms in at least one domain, (iv) beneficial to at least some species, and (v) of no known beneficial use. The ability of cells to sustain life when individual elements are absent or limiting relies on complex physiological and evolutionary mechanisms (elemental economy). This survey of elemental use across the tree of life is encapsulated in a web-based, interactive periodic table that summarizes the roles chemical elements in biology and highlights corresponding mechanisms of elemental economy.
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Affiliation(s)
- Kaleigh A Remick
- Department of Microbiology, Cornell University, New York, NY, United States
| | - John D Helmann
- Department of Microbiology, Cornell University, New York, NY, United States.
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Wani ZA, Ahmad Z, Asgher M, Bhat JA, Sharma M, Kumar A, Sharma V, Kumar A, Pant S, Lukatkin AS, Anjum NA. Phytoremediation of Potentially Toxic Elements: Role, Status and Concerns. PLANTS (BASEL, SWITZERLAND) 2023; 12:429. [PMID: 36771511 PMCID: PMC9921836 DOI: 10.3390/plants12030429] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/06/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Environmental contamination with a myriad of potentially toxic elements (PTEs) is triggered by various natural and anthropogenic activities. However, the industrial revolution has increased the intensity of these hazardous elements and their concentration in the environment, which, in turn, could provoke potential ecological risks. Additionally, most PTEs pose a considerable nuisance to human beings and affect soil, aquatic organisms, and even nematodes and microbes. This comprehensive review aims to: (i) introduce potentially toxic elements; (ii) overview the major sources of PTEs in the major environmental compartments; (iii) briefly highlight the major impacts of PTEs on humans, plants, aquatic life, and the health of soil; (iv) appraise the major methods for tackling PTE-caused pollution; (v) discuss the concept and applications of the major eco-technological/green approaches (comprising phytoextraction, rhizofiltration, phytostabilization, phytovolatilization, and phytorestoration); (vi) highlight the role of microbes in phytoremediation under PTE stress; and (vii) enlighten the major role of genetic engineering in advancing the phytoremediation of varied PTEs. Overall, appropriate strategies must be developed in order to stop gene flow into wild species, and biosafety issues must be properly addressed. Additionally, consistent efforts should be undertaken to tackle the major issues (e.g., risk estimation, understanding, acceptance and feasibility) in order to guarantee the successful implementation of phytoremediation programs, raise awareness of this green technology among laymen, and to strengthen networking among scientists, stakeholders, industrialists, governments and non-government organizations.
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Affiliation(s)
- Zishan Ahmad Wani
- Conservation Ecology Lab, Department of Botany, Baba Ghulam Shah Badshah University, Rajouri 185234, JK, India
| | - Zeeshan Ahmad
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Mohd Asgher
- Plant Physiology and Biochemistry Laboratory, Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185234, JK, India
| | - Jahangeer A. Bhat
- College of Horticulture & Forestry, Rani Lakshmi Bai Central Agricultural University, Jhansi 284003, UP, India
| | - Manju Sharma
- Department of Environmental Science, Baba Ghulam Shah Badshah University, Rajouri 185234, JK, India
| | - Ashish Kumar
- G. B. Pant National Institute of Himalayan Environment, Garhwal Regional Centre, Srinagar Garhwal 246174, UK, India
| | - Virbala Sharma
- Department of Environmental Sciences, Central University of Himachal Pradesh, Dharamsala 176213, HP, India
| | - Amit Kumar
- School of Hydrology and Water Resources, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Shreekar Pant
- Centre for Biodiversity Studies, Baba Ghulam Shah Badshah University, Rajouri 185234, JK, India
| | - Alexander S. Lukatkin
- Department of General Biology and Ecology, N.P. Ogarev Mordovia State University, Bolshevistskaja Str., 68, Saransk 430005, Russia
| | - Naser A. Anjum
- Plant Physiology and Biochemistry Laboratory, Department of Botany, Aligarh Muslim University, Aligarh 202002, UP, India
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88
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Wang Z, Wang H, Wang H, Qin Y, Cui S, Wang G. Dual tolerance of ageratum (Ageratum conyzoides L.) to combined pollution of acid and cadmium: Field survey and pot experiment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 326:116677. [PMID: 36356537 DOI: 10.1016/j.jenvman.2022.116677] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/12/2022] [Accepted: 10/30/2022] [Indexed: 06/16/2023]
Abstract
A field survey and pot experiment were carried out to screen tolerant plants growing in cadmium (Cd)-polluted mining areas which were co-polluted with acid in soil, and the related physiological and biochemical mechanisms were also analyzed. Thirty-seven species of wild plants and their corresponding soil were collected from a farmland around the mining areas. Ageratum (Ageratum conyzoides L.) with strong Cd-accumulative ability was selected, and its tolerance experiment for acid and Cd with different levels were carried out separately or orthogonally, respectively. Furthermore, the activities of superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT), and the contents of malondialdehyde (MDA), photosynthetic pigments, soluble sugar and proline in its leaves were determined. The results showed that the Cd accumulation in ageratum and sticktight (Bidens pilosa L.) was relatively high, but the latter has been well documented, so we focused on ageratum in the present work. In pot experiment, ageratum grew normally at 100 mg kg-1 Cd in soil, and the Cd concentrations in its roots, stems and leaves were 75.37 ± 7.37, 31.01 ± 3.76 and 53.92 ± 10.05 mg kg-1, respectively. In the case of acid tolerance experiment, all plant individuals of ageratum grew normally when soil pH was over 3.5. In the orthogonal experiment, the Cd accumulation in this plant increased with the decrease of soil pH under the same Cd treatment. Under strong acid conditions, the activity of SOD in leaves of ageratum was increased significantly. When the Cd concentration was 10 mg kg-1 and the soil pH was 5.5 or 3.5, the activities of POD and CAT were significantly increased. In addition, based on stepwise regression analysis, the leaf Cd concentration was significantly positive correlated with the activities of SOD and POD in leaves of ageratum. Therefore, ageratum not only had a strong tolerance for Cd and acid pollution in soil, but also had a strong ability to accumulate Cd. As a common plant in the mining area, it has a great potential for the phytoremediation of Cd and acid co-contaminated soil.
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Affiliation(s)
- Zhongzhen Wang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Hongbin Wang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Haijuan Wang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Yongrong Qin
- Faculty of Chemical and Biological Engineering, Hechi University, Hechi, 547000, China.
| | - Suping Cui
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China.
| | - Guanghui Wang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China.
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Gul S, Gul A, Gul H, Khattak R, Ismail M, Khan SU, Khan MS, Aouissi HA, Krauklis A. Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16020521. [PMID: 36676258 PMCID: PMC9866320 DOI: 10.3390/ma16020521] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/30/2022] [Accepted: 12/28/2022] [Indexed: 05/29/2023]
Abstract
The presence of dyes in water stream is a major environmental problem that affects aquatic and human life negatively. Therefore, it is essential to remove dye from wastewater before its discharge into the water bodies. In this study, Banyan (Ficus benghalensis, F. benghalensis) tree leaves, a low-cost biosorbent, were used to remove brilliant green (BG), a cationic dye, from an aqueous solution. Batch model experiments were carried out by varying operational parameters, such as initial concentration of dye solution, contact time, adsorbent dose, and pH of the solution, to obtain optimum conditions for removing BG dye. Under optimum conditions, maximum percent removal of 97.3% and adsorption capacity (Qe) value of 19.5 mg/g were achieved (at pH 8, adsorbent dose 0.05 g, dye concentration 50 ppm, and 60 min contact time). The Langmuir and Freundlich adsorption isotherms were applied to the experimental data. The linear fit value, R2 of Freundlich adsorption isotherm, was 0.93, indicating its best fit to our experimental data. A kinetic study was also carried out by implementing the pseudo-first-order and pseudo-second-order kinetic models. The adsorption of BG on the selected biosorbent follows pseudo-second-order kinetics (R2 = 0.99), indicating that transfer of internal and external mass co-occurs. This study surfaces the excellent adsorption capacity of Banyan tree leaves to remove cationic BG dye from aqueous solutions, including tap water, river water, and filtered river water. Therefore, the selected biosorbent is a cost-effective and easily accessible approach for removing toxic dyes from industrial effluents and wastewater.
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Affiliation(s)
- Salma Gul
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Azra Gul
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Hajera Gul
- Department of Chemistry, Shaheed Benazir Bhutto Women University, Peshawar 25000, Pakistan
| | - Rozina Khattak
- Department of Chemistry, Shaheed Benazir Bhutto Women University, Peshawar 25000, Pakistan
| | - Muhammad Ismail
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Sana Ullah Khan
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | | | - Hani Amir Aouissi
- Scientific and Technical Research Center on Arid Regions (CRSTRA), Biskra 07000, Algeria
- Laboratoire de Recherche et d’Etude en Aménagement et Urbanisme (LREAU), Université des Sciences et de la Technologie (USTHB), Algiers 16000, Algeria
- Environmental Research Center (CRE), Badji-Mokhtar Annaba University, Annaba 23000, Algeria
| | - Andrejs Krauklis
- Institute for Mechanics of Materials, University of Latvia, Jelgavas Street 3, LV-1004 Riga, Latvia
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Ma P, Zang J, Shao T, Jiang Q, Li Y, Zhang W, Liu M. Cadmium distribution and transformation in leaf cells involved in detoxification and tolerance in barley. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114391. [PMID: 36508843 DOI: 10.1016/j.ecoenv.2022.114391] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 11/14/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Barley is a diagnostic plant that often used in the research of soil pollution by heavy metals, our research explored the detoxification and tolerance mechanism of cadmium(Cd) in barley through pot experiment. We investigated subcellular distribution, chemical forms and oxidative damage of Cd in barley leaves, combing with the transmission electron microscopy and Fourier-transform infrared spectroscopy(FT-IR) to further understand the translocation, transformation characteristics and toxic effect of Cd in cells. The results showed that, the bioaccumulation factors in roots and shoots of barley were ranged of 4.03-7.48 and 0.51-1.30, respectively. Barley reduces the toxic effects by storing Cd in the roots and reducing its transport to the shoots. Compared to the control treatment (0 mg/kg), the percentage of Cd in the cell wall fractions of leaves in 300 mg/kg Cd treatment increased from 34.74 % to 38.41 %; the percentage of the organelle fractions increased from 24.47 % to 56.02 %; and the percentage of soluble fraction decreased from 40.80 % to 5.57 %. We found that 69.13 % of the highly toxic inorganic Cd and water-soluble Cd were converted to less toxic pectates and protein-integrated Cd (50.20 %) and undissolved Cd phosphates (18.93 %). This conversion of Cd was mainly due to its combination with -OH, -NH, -CN, -C-O-C, and -C-O-P groups. Excessive Cd induced a significant (P < 0.05) increase in the levels of peroxidase, malondialdehyde, and cell membrane permeability, which damaged the cell membrane and allowed Cd to enter the organelles. The chloroplasts and mitochondria were destroyed, and eventually the metabolism of intracellular substances was affected, resulting in symptoms of toxicity. Our research provides cellular-scale insight into the mechanisms of Cd tolerance in barley.
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Affiliation(s)
- Pan Ma
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Jian Zang
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Tingyu Shao
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Qianru Jiang
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Yuanqi Li
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Wei Zhang
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China.
| | - Mingda Liu
- College of Land and Environment, Shenyang Agricultural University, Shenyang 110866, Liaoning, China.
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91
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Zhao R, Huang L, Peng X, Fan L, Chen S, Qin P, Zhang J, Chen A, Huang H. Effect of different amounts of fruit peel-based activator combined with phosphate-solubilizing bacteria on enhancing phytoextraction of Cd from farmland soil by ryegrass. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120602. [PMID: 36379291 DOI: 10.1016/j.envpol.2022.120602] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
To improve the uptake of heavy metals by plants and increase the effectiveness of phytoextraction, chelating agents are employed to change the speciation of heavy metals in soil and increase their bioavailability. However, the effect of a single activator is limited. In recent years, compound activators have been applied widely to improve phytoextraction efficiency. In this study, a fruit peel-based activator (OG) was prepared, containing a mixture of orange peel extracts and tetrasodium glutamate diacetate (GLDA) (1.6% v/v) in a ratio of 1:1 (v/v). The pot experiment was used to investigate the effects of different amounts of OG combined with phosphate-solubilizing bacteria (Acinetobacter pitti, AP) on the extraction of Cd from farmland soil by ryegrass (Lolium perenne L). The results indicated that the addition of OG and AP increased the pH and EC of the soil and improved the content of nutrient elements in the soil. The optimal combination of the application rates of OG and AP improved the growth of ryegrass and enhanced the phytoextraction of Cd. Redundancy analysis (RDA) showed that total soil nitrogen had the greatest influence on phytoextraction, with a contribution rate of 85.3%, followed by pH, with a contribution rate of 7.7%. Total nitrogen, pH, available phosphorus, alkaline nitrogen, and total organic matter were correlated positively with plant Cd, soil Cd decrease ratio, and the bioaccumulation factor but negatively with total Cd and available Cd. Based on the findings of this study, it is feasible to apply the fruit peel-based activator (amended with GLDA) and phosphate-solubilizing bacteria to enhance phytoextraction of Cd, which will provide a valuable reference for the treatment of heavy metal-contaminated soils and the reutilization of fruit peel waste. When applying the compound activator, it is recommended to consider the influence of the additional amount of compound activator on the extraction efficiency.
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Affiliation(s)
- Rule Zhao
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Liuhui Huang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Xin Peng
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Lingjia Fan
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Shuofu Chen
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Pufeng Qin
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Jiachao Zhang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Anwei Chen
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Hongli Huang
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China.
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Elhamouly NA, Hewedy OA, Zaitoon A, Miraples A, Elshorbagy OT, Hussien S, El-Tahan A, Peng D. The hidden power of secondary metabolites in plant-fungi interactions and sustainable phytoremediation. FRONTIERS IN PLANT SCIENCE 2022; 13:1044896. [PMID: 36578344 PMCID: PMC9790997 DOI: 10.3389/fpls.2022.1044896] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 11/16/2022] [Indexed: 06/17/2023]
Abstract
The global environment is dominated by various small exotic substances, known as secondary metabolites, produced by plants and microorganisms. Plants and fungi are particularly plentiful sources of these molecules, whose physiological functions, in many cases, remain a mystery. Fungal secondary metabolites (SM) are a diverse group of substances that exhibit a wide range of chemical properties and generally fall into one of four main family groups: Terpenoids, polyketides, non-ribosomal peptides, or a combination of the latter two. They are incredibly varied in their functions and are often related to the increased fitness of the respective fungus in its environment, often competing with other microbes or interacting with plant species. Several of these metabolites have essential roles in the biological control of plant diseases by various beneficial microorganisms used for crop protection and biofertilization worldwide. Besides direct toxic effects against phytopathogens, natural metabolites can promote root and shoot development and/or disease resistance by activating host systemic defenses. The ability of these microorganisms to synthesize and store biologically active metabolites that are a potent source of novel natural compounds beneficial for agriculture is becoming a top priority for SM fungi research. In this review, we will discuss fungal-plant secondary metabolites with antifungal properties and the role of signaling molecules in induced and acquired systemic resistance activities. Additionally, fungal secondary metabolites mimic plant promotion molecules such as auxins, gibberellins, and abscisic acid, which modulate plant growth under biotic stress. Moreover, we will present a new trend regarding phytoremediation applications using fungal secondary metabolites to achieve sustainable food production and microbial diversity in an eco-friendly environment.
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Affiliation(s)
- Neveen Atta Elhamouly
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
- Department of Botany, Faculty of Agriculture, Menoufia University, Shibin El-Kom, Egypt
| | - Omar A. Hewedy
- Department of Plant Agriculture, University of Guelph, Guelph, ON, Canada
| | - Amr Zaitoon
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - Angelica Miraples
- Department of Plant Agriculture, University of Guelph, Guelph, ON, Canada
| | - Omnia T. Elshorbagy
- School of Natural and Environmental Sciences, Faculty of Science, Agriculture & Engineering, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Suzan Hussien
- Botany Department Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Amira El-Tahan
- Plant Production Department, Arid Lands Cultivation Research Institute, the City of Scientific Research and Technological Applications, City of Scientific Research and Technological Applications (SRTA-City), Borg El Arab, Alexandria, Egypt
| | - Deliang Peng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
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93
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Xu M, Yang L, Chen Y, Jing H, Wu P, Yang W. Selection of rice and maize varieties with low cadmium accumulation and derivation of soil environmental thresholds in karst. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114244. [PMID: 36326557 DOI: 10.1016/j.ecoenv.2022.114244] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/18/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Cadmium (Cd) is considered the primary dietary toxic element. Previous studies have demonstrated significant differences in heavy metal accumulation among crop species. However, this information in karst areas with low heavy metal activity is missing. In this study, the uptake and accumulation characteristics of cadmium in soil-crop samples of group 504 in the core karst region of East Asia were analyzed. Cadmium low-accumulating maize and rice were screened using cluster and Pareto analytic methods. In addition, a new method, the species-sensitive distribution model (SSD), was proposed, which could be used to estimate the environmental threshold for cadmium in regional cropland. The results showed that both maize and rice soils in the research area were contaminated with varying degrees of cadmium. The total concentrations of cadmium ω(T-Cd) in maize and rice fields are 0.18-1.32 and 0.20-4.42 mg kg-1, respectively. The ω(T-Cd) of heavy metals in maize kernels and rice grains is 0.002-0.429 and 0.003-0.393 mg kg-1, respectively. The bioaccumulation factor (BCF) of cadmium in maize ranged from 0.0079 to 0.9701, with a coefficient of variation of 1.71; the BCF of cadmium in rice ranged from 0.0074 to 0.1345, with a coefficient of variation of 0.99. According to cluster and Pareto analyses, the maize crop varieties with low cadmium accumulation suitable for local cultivation were screened as JHY809, JDY808, AD778, SN3H and SY13, and the rice varieties were DMY6188, GY725, NY6368, SY451 and DX4103. In addition, the environmental cadmium threshold ranges of 0.30-10.05 mg kg-1 and 0.89-24.39 mg kg-1 for maize and rice soils, respectively, were deduced in this study. This threshold will ensure that 5-95% of maize and rice will not be contaminated with cadmium in the soil.
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Affiliation(s)
- Mengqi Xu
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China.
| | - Liyu Yang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China.
| | - Yonglin Chen
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China.
| | - Haonan Jing
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China.
| | - Pan Wu
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
| | - Wentao Yang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China; Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 500025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
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Nazari MT, Simon V, Machado BS, Crestani L, Marchezi G, Concolato G, Ferrari V, Colla LM, Piccin JS. Rhodococcus: A promising genus of actinomycetes for the bioremediation of organic and inorganic contaminants. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 323:116220. [PMID: 36116255 DOI: 10.1016/j.jenvman.2022.116220] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/16/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
Rhodococcus is a genus of actinomycetes that has been explored by the scientific community for different purposes, especially for bioremediation uses. However, the mechanisms governing Rhodococcus-mediated bioremediation processes are far from being fully elucidated. In this sense, this work aimed to compile the recent advances in the use of Rhodococcus for the bioremediation of organic and inorganic contaminants present in different environmental compartments. We reviewed the bioremediation capacity and mechanisms of Rhodococcus spp. in the treatment of polycyclic aromatic hydrocarbons, phenolic substances, emerging contaminants, heavy metals, and dyes given their human health risks and environmental concern. Different bioremediation techniques were discussed, including experimental conditions, treatment efficiencies, mechanisms, and degradation pathways. The use of Rhodococcus strains in the bioremediation of several compounds is a promising approach due to their features, primarily the presence of appropriate enzyme systems, which result in high decontamination efficiencies; but that vary according to experimental conditions. Besides, the genus Rhodococcus contains a small number of opportunistic species and pathogens, representing an advantage from the point of view of safety. Advances in analytical detection techniques and Molecular Biology have been collaborating to improve the understanding of the mechanisms and pathways involved in bioremediation processes. In the context of using Rhodococcus spp. as bioremediation agents, there is a need for more studies that 1) evaluate the role of these actinomycetes on a pilot and field scale; 2) use genetic engineering tools and consortia with other microorganisms to improve the bioremediation efficiency; and 3) isolate new Rhodococcus strains from environments with extreme and/or contaminated conditions aiming to explore their adaptive capabilities for bioremediation purposes.
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Affiliation(s)
- Mateus Torres Nazari
- Graduate Program in Civil and Environmental Engineering, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Viviane Simon
- Graduate Program in Civil and Environmental Engineering, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Bruna Strieder Machado
- Faculty of Engineering and Architecture, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Larissa Crestani
- Graduate Program in Chemical Engineering (PPGEQ), Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Giovana Marchezi
- Faculty of Engineering and Architecture, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Gustavo Concolato
- Faculty of Engineering and Architecture, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Valdecir Ferrari
- Graduate Program in Mining, Metallurgical and Materials Engineering (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Luciane Maria Colla
- Graduate Program in Civil and Environmental Engineering, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil.
| | - Jeferson Steffanello Piccin
- Graduate Program in Civil and Environmental Engineering, University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
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95
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Khalid MF, Iqbal Khan R, Jawaid MZ, Shafqat W, Hussain S, Ahmed T, Rizwan M, Ercisli S, Pop OL, Alina Marc R. Nanoparticles: The Plant Saviour under Abiotic Stresses. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213915. [PMID: 36364690 PMCID: PMC9658632 DOI: 10.3390/nano12213915] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/26/2022] [Accepted: 11/03/2022] [Indexed: 05/15/2023]
Abstract
Climate change significantly affects plant growth and productivity by causing different biotic and abiotic stresses to plants. Among the different abiotic stresses, at the top of the list are salinity, drought, temperature extremes, heavy metals and nutrient imbalances, which contribute to large yield losses of crops in various parts of the world, thereby leading to food insecurity issues. In the quest to improve plants' abiotic stress tolerance, many promising techniques are being investigated. These include the use of nanoparticles, which have been shown to have a positive effect on plant performance under stress conditions. Nanoparticles can be used to deliver nutrients to plants, overcome plant diseases and pathogens, and sense and monitor trace elements that are present in soil by absorbing their signals. A better understanding of the mechanisms of nanoparticles that assist plants to cope with abiotic stresses will help towards the development of more long-term strategies against these stresses. However, the intensity of the challenge also warrants more immediate approaches to mitigate these stresses and enhance crop production in the short term. Therefore, this review provides an update of the responses (physiological, biochemical and molecular) of plants affected by nanoparticles under abiotic stress, and potentially effective strategies to enhance production. Taking into consideration all aspects, this review is intended to help researchers from different fields, such as plant science and nanoscience, to better understand possible innovative approaches to deal with abiotic stresses in agriculture.
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Affiliation(s)
- Muhammad Fasih Khalid
- Environmental Science Centre, Qatar University, Doha 2713, Qatar
- Southwest Florida Research and Education Center, Horticultural Sciences Department, Institute of Food and Agricultural Science, University of Florida, Immokalee, FL 34142, USA
| | - Rashid Iqbal Khan
- Institute of Horticultural Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | | | - Waqar Shafqat
- Department of Forestry, College of Forest Resources, Mississippi State University, Starkville, MI 39759, USA
| | - Sajjad Hussain
- Department of Horticulture, Faculty of Agricultural Science & Technology, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Talaat Ahmed
- Environmental Science Centre, Qatar University, Doha 2713, Qatar
| | - Muhammad Rizwan
- Office of Academic Research, Office of VP for Research and Graduate Studies, Qatar University, Doha 2713, Qatar
- Correspondence: (M.R.); (O.L.P.); (R.A.M.)
| | - Sezai Ercisli
- Department of Horticulture, Faculty of Agriculture, Ataturk University, 25240 Erzurum, Turkey
| | - Oana Lelia Pop
- Department of Food Science, Faculty of Food Science and Technology, University of Agricultural Science and Veterinary Medicine, 400372 Cluj-Napoca, Romania
- Correspondence: (M.R.); (O.L.P.); (R.A.M.)
| | - Romina Alina Marc
- Department of Food Engineering, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
- Correspondence: (M.R.); (O.L.P.); (R.A.M.)
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Abeed AHA, Mahdy RE, Alshehri D, Hammami I, Eissa MA, Abdel Latef AAH, Mahmoud GAE. Induction of resilience strategies against biochemical deteriorations prompted by severe cadmium stress in sunflower plant when Trichoderma and bacterial inoculation were used as biofertilizers. FRONTIERS IN PLANT SCIENCE 2022; 13:1004173. [PMID: 36340332 PMCID: PMC9631322 DOI: 10.3389/fpls.2022.1004173] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/23/2022] [Indexed: 05/28/2023]
Abstract
Background Cadmium (Cd) is a highly toxic heavy metal. Its emission is suspected to be further increased due to the dramatic application of ash to agricultural soils and newly reclaimed ones. Thereby, Cd stress encountered by plants will exacerbate. Acute and chronic exposure to Cd can upset plant growth and development and ultimately causes plant death. Microorganisms as agriculturally important biofertilizers have constantly been arising as eco-friendly practices owing to their ability to built-in durability and adaptability mechanisms of plants. However, applying microbes as a biofertilizer agent necessitates the elucidation of the different mechanisms of microbe protection and stabilization of plants against toxic elements in the soil. A greenhouse experiment was performed using Trichoderma harzianum and plant growth-promoting (PGP) bacteria (Azotobacter chroococcum and Bacillus subtilis) individually and integrally to differentiate their potentiality in underpinning various resilience mechanisms versus various Cd levels (0, 50, 100, and 150 mg/kg of soil). Microorganisms were analyzed for Cd tolerance and biosorption capacity, indoleacetic acid production, and phosphate and potassium solubilization in vitro. Plant growth parameters, water relations, physiological and biochemical analysis, stress markers and membrane damage traits, and nutritional composition were estimated. Results Unequivocal inversion from a state of downregulation to upregulation was distinct under microbial inoculations. Inoculating soil with T. harzianum and PGPB markedly enhanced the plant parameters under Cd stress (150 mg/kg) compared with control plants by 4.9% and 13.9%, 5.6% and 11.1%, 55.6% and 5.7%, and 9.1% and 4.6% for plant fresh weight, dry weight, net assimilation rate, and transpiration rate, respectively; by 2.3% and 34.9%, 26.3% and 69.0%, 26.3% and 232.4%, 135.3% and 446.2%, 500% and 95.6%, and 60% and 300% for some metabolites such as starch, amino acids, phenolics, flavonoids, anthocyanin, and proline, respectively; by 134.0% and 604.6% for antioxidants including reduced glutathione; and by 64.8% and 91.2%, 21.9% and 72.7%, and 76.7% and 166.7% for enzymes activity including ascorbate peroxidase, glutathione peroxidase, and phenylalanine ammonia-lyase, respectively. Whereas a hampering effect mediated by PGP bacterial inoculation was registered on levels of superoxide anion, hydroxyl radical, electrolyte leakage, and polyphenol oxidase activity, with a decrease of 0.53%, 14.12%, 2.70%, and 5.70%, respectively, under a highest Cd level (150 mg/kg) compared with control plants. The available soil and plant Cd concentrations were decreased by 11.5% and 47.5%, and 3.8% and 45.0% with T. harzianum and PGP bacterial inoculation, respectively, compared with non-inoculated Cd-stressed plants. Whereas, non-significant alternation in antioxidant capacity of sunflower mediated by T. harzianum action even with elevated soil Cd concentrations indicates stable oxidative status. The uptake of nutrients, viz., K, Ca, Mg, Fe, nitrate, and phosphorus, was interestingly increased (34.0, 4.4, 3.3, 9.2, 30.0, and 1.0 mg/g dry weight, respectively) owing to the synergic inoculation in the presence of 150 mg of Cd/kg. Conclusions However, strategies of microbe-induced resilience are largely exclusive and divergent. Biofertilizing potential of T. harzianum showed that, owing to its Cd biosorption capability, a resilience strategy was induced via reducing Cd bioavailability to be in the range that turned its effect from toxicity to essentiality posing well-known low-dose stimulation phenomena (hormetic effect), whereas using Azotobacter chroococcum and Bacillus subtilis, owing to their PGP traits, manifested a resilience strategy by neutralizing the potential side effects of Cd toxicity. The synergistic use of fungi and bacteria proved the highest efficiency in imparting sunflower adaptability under Cd stress.
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Affiliation(s)
- Amany H. A. Abeed
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, Egypt
| | - Rasha E. Mahdy
- Agronomy Department, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Dikhnah Alshehri
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk, Saudi Arabia
| | - Inès Hammami
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mamdouh A. Eissa
- Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut, Egypt
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Paul P, Parbat S, Aditya G. Phosphate ion removal from aqueous solution using snail shell dust: biosorption potential of waste shells of edible snails. RSC Adv 2022; 12:30011-30023. [PMID: 36329945 PMCID: PMC9595186 DOI: 10.1039/d2ra03852h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 10/07/2022] [Indexed: 11/05/2022] Open
Abstract
The freshwater snails, Filopaludina bengalensis and Pila globosa are widely used for human consumption and as a feed in aquaculture in India and Bangladesh. The generation of shells as a waste product following meat extraction from the live snails incites their utilisation as a potential biomaterial. Shell dust was prepared from the dried shells of F. bengalensis (FSD) and P. globosa (PSD) and employed for phosphate adsorption from aqueous solutions. Batch adsorption experiments were performed to examine the effects of various experimental conditions, such as biosorbent dose, agitation speed, temperature, contact time, pH, initial concentration of phosphate ions, and presence of co-existing ions. SEM, EDS, ICP-OES, FTIR, and XRD results indicated that phosphate ions were adsorbed onto the surface of shell dust particles. The experimental data fitted with the Langmuir isotherm with a maximum adsorption capacity of 62.50 and 66.66 mg g-1 for FSD and PSD. The pseudo-second order kinetic model was well fitted, indicating the chemical adsorption process, and the thermodynamic parameters indicated that the adsorption mechanism of phosphate was spontaneous, feasible, and endothermic. Therefore, the results have established the potentiality of the waste shells of edible snails to be used as an eco-friendly and low-cost biosorbent for phosphate removal from wastewater.
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Affiliation(s)
- Pranesh Paul
- Department of Zoology, University of Calcutta35, Ballygunge Circular RoadKolkata – 700019India+91 3324614849+91 3324615445 extn 284
| | - Suprio Parbat
- Department of Zoology, University of Calcutta35, Ballygunge Circular RoadKolkata – 700019India+91 3324614849+91 3324615445 extn 284
| | - Gautam Aditya
- Department of Zoology, University of Calcutta35, Ballygunge Circular RoadKolkata – 700019India+91 3324614849+91 3324615445 extn 284
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98
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Su R, Wang Y, Huang S, Chen R, Wang J. Application for Ecological Restoration of Contaminated Soil: Phytoremediation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192013124. [PMID: 36293698 PMCID: PMC9603173 DOI: 10.3390/ijerph192013124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 10/08/2022] [Indexed: 05/06/2023]
Abstract
Nowadays, with the rapid development of industry and agriculture, heavy metal pollution is becoming more and more serious, mainly deriving from natural and man-made sources [...].
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Affiliation(s)
- Rongkui Su
- College of Environmental Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China
- PowerChina Zhongnan Engineering Corporation Limited, Changsha 410004, China
| | - Yangyang Wang
- College of Geography and Environmental Science, Henan University, Kaifeng 475004, China
- Correspondence: (Y.W.); (J.W.)
| | - Shunhong Huang
- College of Environmental Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China
| | - Runhua Chen
- College of Environmental Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China
| | - Jun Wang
- College of Environmental Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China
- Correspondence: (Y.W.); (J.W.)
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99
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Li Y, Yang K, Wu B, Wang S, Hou Z, Ding X. Identification of soil heavy metal pollution by constructing 2D plane using hyperspectral index. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 278:121318. [PMID: 35525179 DOI: 10.1016/j.saa.2022.121318] [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: 02/28/2022] [Revised: 04/24/2022] [Accepted: 04/25/2022] [Indexed: 06/14/2023]
Abstract
This study proposes a method for the rapid identification of elements in soil heavy metal pollution using spectral indices. Set up a simulation experiment of planting crops in soil polluted by multi-gradient Cu and Pb. The obtained polluted soil spectral data was initially pre-processed to obtain the original spectrum (OR), the continuum removed spectrum (CR), and the first-order differential spectrum (FOD). Then the preliminary model of soil heavy metal pollution index (SHMPI) was constructed. Using the correlation optimal algorithm, the maximum median distance algorithm, and the maximum average distance algorithm to select the optimal bands corresponding to the OR, CR, and FOD. The optimal bands selected by each algorithm were substituted into the SHMPI. Each algorithm obtains three indices, and two of them were selected as the x-axis and y-axis to form a two-dimensional pollution identification plane. Nine two-dimensional planes can be obtained by three algorithms and three combinations of OR, CR, and FOD. Support vector machine classifier was used to classify the Cu and Pb polluted samples in the planes, and nine classification models to distinguish Cu and Pb pollution in soil were constructed. The results show that using the correlation optimal algorithm to extract the optimal bands, and using OR and CR to construct SHMPI, the accuracy of the classification line model of Cu and Pb pollution obtained was 93% in the training group and 86% in the validation group. This method can stably and effectively identify the types of heavy metal pollution in soil, and can also effectively identify whether the soil is polluted by heavy metals, which is expected to guide the rapid and non-destructive identification of heavy metal pollution in polluted areas, and provide new ideas for the identification of other types of heavy metals in soil.
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Affiliation(s)
- Yanru Li
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
| | - Keming Yang
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China.
| | - Bing Wu
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
| | - Shuang Wang
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
| | - Zhixian Hou
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
| | - Xinming Ding
- College of Geoscience and Surveying Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
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100
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Blasiak R, Jouffray JB, Amon DJ, Moberg F, Claudet J, Søgaard Jørgensen P, Pranindita A, Wabnitz CCC, Österblom H. A forgotten element of the blue economy: marine biomimetics and inspiration from the deep sea. PNAS NEXUS 2022; 1:pgac196. [PMID: 36714844 PMCID: PMC9802412 DOI: 10.1093/pnasnexus/pgac196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The morphology, physiology, and behavior of marine organisms have been a valuable source of inspiration for solving conceptual and design problems. Here, we introduce this rich and rapidly expanding field of marine biomimetics, and identify it as a poorly articulated and often overlooked element of the ocean economy associated with substantial monetary benefits. We showcase innovations across seven broad categories of marine biomimetic design (adhesion, antifouling, armor, buoyancy, movement, sensory, stealth), and use this framing as context for a closer consideration of the increasingly frequent focus on deep-sea life as an inspiration for biomimetic design. We contend that marine biomimetics is not only a "forgotten" sector of the ocean economy, but has the potential to drive appreciation of nonmonetary values, conservation, and stewardship, making it well-aligned with notions of a sustainable blue economy. We note, however, that the highest ambitions for a blue economy are that it not only drives sustainability, but also greater equity and inclusivity, and conclude by articulating challenges and considerations for bringing marine biomimetics onto this trajectory.
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Affiliation(s)
- Robert Blasiak
- To whom correspondence should be addressed: Robert Blasiak, Stockholm Resilience Centre, Stockholm University, 106 91, Stockholm, Sweden.
| | | | - Diva J Amon
- SpeSeas, D'Abadie, Trinidad and Tobago,Marine Science Institute, University of California, Santa Barbara, CA 93106, USA
| | - Fredrik Moberg
- Stockholm Resilience Centre, Stockholm University, 106 91 Stockholm, Sweden
| | - Joachim Claudet
- National Center for Scientific Research, PSL Université Paris, CRIOBE, CNRS-EPHE-UPVD, Maison de l'Océan, 195 rue Saint-Jacques, 75005 Paris, France
| | - Peter Søgaard Jørgensen
- Stockholm Resilience Centre, Stockholm University, 106 91 Stockholm, Sweden,The Global Economic Dynamics and the Biosphere Academy Program, Royal Swedish Academy of Science, 104 05 Stockholm, Sweden
| | - Agnes Pranindita
- Stockholm Resilience Centre, Stockholm University, 106 91 Stockholm, Sweden
| | - Colette C C Wabnitz
- Stanford Center for Ocean Solutions, Stanford University, 473 Via Ortega, Stanford, CA 94305, USA,Institute for the Oceans and Fisheries, The University of British Columbia, 2202 Main Mall, Vancouver, BC V6T1Z4, Canada
| | - Henrik Österblom
- Stockholm Resilience Centre, Stockholm University, 106 91 Stockholm, Sweden,Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan,South American Institute for Resilience and Sustainability Studies, CP 20200 Maldonado, Uruguay
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