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Yahya F, Nazir A, Ahmad S, Alomrani SO, Shafiq M, Bareen FE, Alshehri MA, Ali S. Modelling assisted phytoextraction of heavy metals from tannery origin leachate. CHEMOSPHERE 2025; 373:144113. [PMID: 39884135 DOI: 10.1016/j.chemosphere.2025.144113] [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: 09/09/2024] [Revised: 12/29/2024] [Accepted: 01/11/2025] [Indexed: 02/01/2025]
Abstract
The toxic tannery solid waste leachate (TSWL) containing heavy metals is generated after the percolation of rainwater in openly dumped tannery solid waste (TSW) which poses a serious threat to the surroundings by leaching down and bioaccumulation. For its management, the phytoextraction potential of Pistia stratiotes L. and Spirodela polyrhiza L. Schleid. was analyzed by growing them individually and combining them in different dilutions of TSWL (0%, 5%, 10%, 15%, and 20%) for 30 days. The removal efficiency of metal content was 79.04% (Cr), 78.49% (Cd), and 88.11% (Cu) in P. stratiotes, 72.55% (Cr), 80.12% (Cd), and 77.70% (Cu) in S. polyrhiza while in the mixture it was 88.39% for Cr, 92.57% for Cd, and 90% for Cu. The translocation factor of all the metals for every plant was greater than 1 indicating that all the plants used in the study proved to be hyperaccumulators. The Langmuir model more efficiently described experimental data for Cd and Cu while the phytoextraction of Cr was explained by the Freundlich model. The RL and 1/n were <1 for the above-mentioned metals indicating the favourable and active absorption of metals in plants. Therefore, based on the modelling-assisted phytoextraction findings it is suggested that the use of hyperaccumulator plants is a cost-effective and sustainable approach for managing the toxic TSWL.
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Affiliation(s)
- Faiza Yahya
- Institute of Botany, University of the Punjab, Lahore, Pakistan
| | - Aisha Nazir
- Institute of Botany, University of the Punjab, Lahore, Pakistan.
| | - Shoaib Ahmad
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu, 210023, China
| | - Sarah Owdah Alomrani
- Department of Biology, College of Science and Arts, Najran University, Najran, 66252, Saudi Arabia
| | - Muhammad Shafiq
- Institute of Botany, University of the Punjab, Lahore, Pakistan
| | - Firdaus E Bareen
- Institute of Botany, University of the Punjab, Lahore, Pakistan; The Institute of Molecular Biology and Biotechnology, IMBB University of Lahore, Pakistan
| | - Mohammed Ali Alshehri
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - Shafaqat Ali
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
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Zapata-Sarmiento DH, Rodríguez-Hernández AA, Sepúlveda-Jiménez G, Rodríguez-Monroy M. Tolerance and antioxidant response to heavy metals are differentially activated in Trichoderma asperellum and Trichoderma longibrachiatum. PeerJ 2025; 13:e19016. [PMID: 40017658 PMCID: PMC11867043 DOI: 10.7717/peerj.19016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2024] [Accepted: 01/28/2025] [Indexed: 03/01/2025] Open
Abstract
Heavy metal pollution reduces the community of soil microorganisms, including fungi from the genus Trichoderma, which are plant growth promotors and biological control agents. Because of potential effects on crop productivity, the toxic effects of heavy metals (HMs) in Trichoderma are of interest. However, there have been few studies on the biochemical and molecular response to oxidation caused by exposure to copper (Cu), chromium (Cr), and lead (Pb) and whether this antioxidant response is species-specific. In this study, we compared the tolerance of Trichoderma asperellum and Trichoderma longibrachiatum to Cu, Pb, and Cr and evaluated the expression of genes related to the antioxidant response, including glutathione peroxidase (GPX), catalase (CAT), and cysteine synthase (CYS) as well as the activity of peroxidase and catalase. The isolates of Trichoderma were selected because we previously reported them as promotors of plant growth and agents of biological control. Our results revealed that, with exposure to the three HMs, the Trichoderma cultures formed aggregates and the culture color changed according to the metal and the Trichoderma species. The tolerance index (TI) indicated that the two Trichoderma species were tolerant of HMs (Cu > Cr > Pb). However, the TI and conidia production revealed that T. longibrachiatum was more tolerant of HMs than T. asperellum. The three HMs caused oxidative damage in both Trichoderma species, but the enzyme activity and gene expression were differentially regulated based on exposure time (72 and 144 h) to the HMs and Trichoderma species. The main changes occurred in T. asperellum; the maximum expression of the GPX gene occurred at 144 h in response to all three HMs, whereas the CAT gene was upregulated at 72 h in response to Cu but downregulated at 144 h in response to all three HMs. The CYS gene was upregulated in response to the three metals. The peroxidase activity increased with all three HMs, but the catalase activity increased with Cu and Pb at 72 h and decreased at 144 h with Pb and Cr. In T. longibrachiatum, the GPX gene was upregulated with all three HMs at 72 h, the CAT gene was upregulated only with Pb at 72 h and was downregulated at 144 h with HMs. Cr and Cu upregulated CYS gene expression, but expression did not change with Pb. The peroxidase activity increased with Cu at 144 h and with Cr at 72 h, whereas Pb decreased the enzyme activity. In contrast, catalase activity increased with the three metals at 144 h. In conclusion, T. longibrachiatum was more tolerant of Cu, Cr, and Pb than was T. asperellum, but exposure to all three HMs caused oxidative damage to both Trichoderma species. Peroxidases and catalases were activated, and the expression of the genes GPX and CYS was upregulated, whereas the CAT gene was downregulated. These findings indicate that the antioxidant response to HMs was genetically modulated in each Trichoderma species.
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Affiliation(s)
- Diego Helman Zapata-Sarmiento
- Departamento de Biotecnologia, Instituto Politécnico Nacional Centro de Desarrollo de Productos Bióticos, Yautepec, Morelos, Mexico
| | | | - Gabriela Sepúlveda-Jiménez
- Departamento de Biotecnologia, Instituto Politécnico Nacional Centro de Desarrollo de Productos Bióticos, Yautepec, Morelos, Mexico
| | - Mario Rodríguez-Monroy
- Departamento de Biotecnologia, Instituto Politécnico Nacional Centro de Desarrollo de Productos Bióticos, Yautepec, Morelos, Mexico
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Shobham, Bhanot V, Mamta, Verma SK, Gupta S, Panwar J. Unveiling the potential of Aspergillus terreus SJP02 for zinc remediation and its driving mechanism. Sci Rep 2025; 15:3376. [PMID: 39870778 PMCID: PMC11772822 DOI: 10.1038/s41598-025-87749-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2024] [Accepted: 01/21/2025] [Indexed: 01/29/2025] Open
Abstract
In present study, 15 morphologically different fungi isolated from rhizopheric soils of an industrial area were screened for their Zn2+ removal efficiency from aqueous solution. Isolate depicting highest potential was molecularly identified as Aspergillus terreus SJP02. Effect of various process parameters viz. biosorbent dose, contact time, temperature, agitation rate, pH and initial Zn2+ concentration on the fungal sorption capacity were studied. The biosorbent exhibited maximum Zn2+ sorption capacity of 10.7 ± 0.2 mg g- 1 in 60 min. Desorption studies showed 71.46% Zn2+ recovery rate in 120 min with 0.01 N HNO3, indicating efficient metal recovery for reuse and subsequent reutilization of spent mycosorbents. Acid digestion study suggested adsorption being the primary mechanism accounting for 87% Zn2+removal. It was further confirmed by the FE-SEM and EDX analysis. FTIR analysis suggested involvement of amino, hydroxyl, carbonyl, and phosphate functional groups of fungal cell wall in adsorption. The experimental results were in accordance with the tested isotherm and kinetic models, and suggested the role of physical adsorption for Zn2+ removal. Noteworthy, the present study showed better sorption capacity in considerably shorter equilibration time compared to previous reports and advocate potential utilization of A. terreus SJP02 for bioremediation of Zn2+ contaminated wastewater at industrial scale.
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Affiliation(s)
- Shobham
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Vishalakshi Bhanot
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Mamta
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Sanjay Kumar Verma
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Suresh Gupta
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani, 333031, Rajasthan, India
| | - Jitendra Panwar
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India.
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Li Y, Yan S, Jiang D. Cd pollution in agroforestry ecosystems: An abiotic factor affecting the passive and active lethal efficiency of Beauveria bassiana to Lymantria dispar larvae. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172701. [PMID: 38657811 DOI: 10.1016/j.scitotenv.2024.172701] [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: 03/04/2024] [Revised: 04/16/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
This study evaluated the effects of cadmium (Cd) exposure on the passive and active lethal efficiency of Beauveria bassiana (Bb) to Lymantria dispar larvae and analyzed the corresponding mechanism from mycelial vegetative growth, fungal and host nutrient competition, and fungal spore performance. The results showed that the passive lethal efficiency of Bb to Cd-exposed L. dispar larvae was significantly higher than that of larvae not exposed to Cd. After Bb infection, the fungal biomass in living larvae and the mycelium encapsulation index of dead larvae were significantly decreased under Cd exposure. Cd exposure damaged the mycelial structure, as well as inhibited the mycelial growth and sporulation quantity. A total of 15 and 39 differentially accumulated mycotoxin metabolites were identified in Bb mycelia treated with low Cd and high Cd, respectively, and the contents of these differentially accumulated mycotoxins in the low Cd and high Cd treatment groups were overall lower than those in the control group. Nutrient content and energy metabolism-related gene expression were significantly decreased in Cd-exposed larvae, both before and after Bb infection. Trehalose supplementation alleviated the nutritional deficiency of larvae under the combined treatment of Cd and Bb and decreased the larval susceptibility to Bb. Compared with untreated Bb, the lethal efficiency of low Cd-exposed Bb to larvae increased significantly, while high Cd-exposed Bb was significantly less lethal to larvae. Cd exposure promoted at low concentrations but inhibited the hydrophobicity and adhesion of spores at higher concentrations. Spore germination rate and stress resistance of Bb decreased significantly under the treatment of both Cd concentrations. Taken together, heavy metals can be regarded as an abiotic environmental factor that directly affects the lethal efficiency of Bb to insect pests.
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Affiliation(s)
- Yaning Li
- School of Forestry, Northeast Forestry University, Harbin 150040, PR China.; Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China
| | - Shanchun Yan
- School of Forestry, Northeast Forestry University, Harbin 150040, PR China.; Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China..
| | - Dun Jiang
- School of Forestry, Northeast Forestry University, Harbin 150040, PR China.; Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin 150040, PR China..
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Alagöz O, Yılmaz N, Dilek M. Obtaining bio-oil and activated carbon from waste pomegranate peels by pyrolysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:115037-115049. [PMID: 37880403 DOI: 10.1007/s11356-023-30527-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 10/13/2023] [Indexed: 10/27/2023]
Abstract
This study aims to produce beneficial products with pomegranate peel waste through pyrolysis. For this purpose, the usability of the liquid product as a biofuel and the solid product as an adsorbent for dye removal was investigated. To characterize the bio-oil and biochar produced under the best pyrolysis conditions, Fourier transforms infrared spectroscopy (FT-IR), Gas chromatography-mass spectrometry (GC-MS), calorific value, Brunauer-Emmett-Teller (BET), and Scanning electron microscopy (SEM) analyses were conducted. When we examine the FT-IR spectrum of the bio-oil, the presence of phenol, alcohol, ketone, and aldehyde groups is seen in the structure. The GC-MS analysis demonstrated that phenol content was 27.9%, aldehyde content was 19%, acid compound content was 18.28%, ketone content was 8.7%, and aromatic compound content was 8.4%. The lower calorific value of bio-oil was determined as 27.33 MJ/kg. It was observed that activated carbon produced from biochar at a 3:1 KOH/biochar impregnation ratio and a carbonization temperature of 800 °C exhibited the highest surface area (1307 m2/g). In adsorption analysis, it was observed that the adsorption efficiency was higher at pH 9 and 35 °C and with 150 ppm initial concentration. Langmuir and Freundlich adsorption isotherms were determined, and the high R2 (0.99) was consistent with the Langmuir methylene blue (MB) adsorption model.
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Affiliation(s)
- Oğuzhan Alagöz
- Department of Chemical Engineering, Faculty of Engineering, Afyon Kocatepe University, 03200, Afyonkarahisar, Turkey
| | - Nazan Yılmaz
- Department of Chemical Engineering, Faculty of Engineering, Afyon Kocatepe University, 03200, Afyonkarahisar, Turkey.
| | - Meltem Dilek
- Department of Chemical Engineering, Faculty of Engineering, Afyon Kocatepe University, 03200, Afyonkarahisar, Turkey
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Morales-Mendoza AG, Flores-Trujillo AKI, Ramírez-Castillo JA, Gallardo-Hernández S, Rodríguez-Vázquez R. Effect of Micro-Nanobubbles on Arsenic Removal by Trichoderma atroviride for Bioscorodite Generation. J Fungi (Basel) 2023; 9:857. [PMID: 37623628 PMCID: PMC10455231 DOI: 10.3390/jof9080857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/26/2023] Open
Abstract
The global environmental issue of arsenic (As) contamination in drinking water is a significant problem that requires attention. Therefore, the aim of this research was to address the application of a sustainable methodology for arsenic removal through mycoremediation aerated with micro-nanobubbles (MNBs), leading to bioscorodite (FeAsO4·2H2O) generation. To achieve this, the fungus Trichoderma atroviride was cultivated in a medium amended with 1 g/L of As(III) and 8.5 g/L of Fe(II) salts at 28 °C for 5 days in a tubular reactor equipped with an air MNBs diffuser (TR-MNBs). A control was performed using shaking flasks (SF) at 120 rpm. A reaction was conducted at 92 °C for 32 h for bioscorodite synthesis, followed by further characterization of crystals through Fourier-Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and X-ray diffraction (XRD) analyses. At the end of the fungal growth in the TR-MNBs, the pH decreased to 2.7-3.0, and the oxidation-reduction potential (ORP) reached a value of 306 mV at 5 days. Arsenic decreased by 70%, attributed to possible adsorption through rapid complexation of oxidized As(V) with the exchangeable ferrihydrite ((Fe(III))4-5(OH,O)12), sites, and the fungal biomass. This mineral might be produced under oxidizing and acidic conditions, with a high iron concentration (As:Fe molar ratio = 0.14). The crystals produced in the reaction using the TR-MNBs culture broth and characterized by SEM, XRD, and FTIR revealed the morphology, pattern, and As-O-Fe vibration bands typical of bioscorodite and römerite (Fe(II)(Fe(III))2(SO4)4·14H2O). Arsenic reduction in SF was 30%, with slight characteristics of bioscorodite. Consequently, further research should include integrating the TR-MNBs system into a pilot plant for arsenic removal from contaminated water.
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Affiliation(s)
- Asunción Guadalupe Morales-Mendoza
- Doctoral Program in Nanosciences and Nanotechnology, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Instituto Politécnico Nacional Avenue, No. 2508, Zacatenco, Mexico City 07360, Mexico;
| | - Ana Karen Ivanna Flores-Trujillo
- Department of Biotechnology and Bioengineering, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Instituto Politécnico Nacional Avenue, No. 2508, Zacatenco, Mexico City 07360, Mexico; (A.K.I.F.-T.); (J.A.R.-C.)
| | - Jesús Adriana Ramírez-Castillo
- Department of Biotechnology and Bioengineering, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Instituto Politécnico Nacional Avenue, No. 2508, Zacatenco, Mexico City 07360, Mexico; (A.K.I.F.-T.); (J.A.R.-C.)
- Subdirection of Health Riks, National Center of Disasters Prevention CENAPRED, Delfin Madrigal Avenue, No. 665, Pedregal de Santo Domingo, Coyoacán, Mexico City 04360, Mexico
| | - Salvador Gallardo-Hernández
- Departament of Physics, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Instituto Politécnico Nacional Avenue, No. 2508, Zacatenco, Mexico City 07360, Mexico;
| | - Refugio Rodríguez-Vázquez
- Department of Biotechnology and Bioengineering, Center for Research and Advanced Studies of the National Polytechnic Institute (CINVESTAV-IPN), Instituto Politécnico Nacional Avenue, No. 2508, Zacatenco, Mexico City 07360, Mexico; (A.K.I.F.-T.); (J.A.R.-C.)
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