1
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Behera S, Mohapatra S, Behera BC, Thatoi H. Recent updates on green synthesis of lignin nanoparticle and its potential applications in modern biotechnology. Crit Rev Biotechnol 2024; 44:774-794. [PMID: 37455422 DOI: 10.1080/07388551.2023.2229512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 05/08/2023] [Indexed: 07/18/2023]
Abstract
Lignin is a complex of organic polymers that are abundantly present in the plant cell wall which considered of emerging substrates for various kinds of value-added industrial products. Lignin has potential use for the production of green nanomaterials, which exhibit improved or different properties corresponding to their parent polymers. Nano lignin has received significant interest in recent years due to its applications in numerous fields. Lignin, the abundant and limited functionality has challenges for its potential uses. Creating advanced functional lignin-derived material like lignin nanoparticles (LNPs) which significantly alter the biological process has great potential for its applications. In the fields of biotechnology, several lignin extraction processes from various raw materials and diverse synthesis techniques, including acid precipitation, dialysis, solvent shifting/solvent exchange, antisolvent precipitation, homogenization, water-in-oil (W/O) microemulsion, ultra-sonication, interfacial crosslinking, polymerization, and biological pathway can be employed to produce LNPs. The scientific community has recently become more concerned about the transformation of lignin to lignin nanomaterials, including nanoparticles, nanocapsules, nanofibers, nanotubes, and nanofilms. Recent research has shown that lignin nanoparticles (LNPs) are: non-toxic at adequate amounts (both in vitro and in vivo), are economical, and can be biodegradable by bacteria and fungi. In promising studies, LNPs have been investigated for their potential applications in gene delivery systems, drug carriers, biocatalysts, tissue engineering, heavy metal absorbers, encapsulation of molecules, supercapacitors, hybrid nanocomposites, and other applications. This current review addresses the recent advances in the synthesis of LNPs, their advanced application in different areas, future perspectives, and challenges associated with lignin-based nanomaterials.
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Affiliation(s)
- Sandesh Behera
- Department of Biotechnology, Maharaja Sriram Chandra Bhanja Deo University, Baripada, India
| | - Sonali Mohapatra
- Department of Biological Systems Engineering, Enzyme Institute, University of Wisconsin-Madison, Madison, WI, USA
| | - Bikash Chandra Behera
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar, India
| | - Hrudayanath Thatoi
- Department of Biotechnology, Maharaja Sriram Chandra Bhanja Deo University, Baripada, India
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2
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Banu A, Sinha B, Sikdar S. Synthesis of polymeric 2D-graphitic carbon nitride (g-C 3N 4) nanosheets for sustainable photodegradation of organic pollutants. Heliyon 2024; 10:e33354. [PMID: 39040285 PMCID: PMC11261085 DOI: 10.1016/j.heliyon.2024.e33354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/24/2024] [Accepted: 06/19/2024] [Indexed: 07/24/2024] Open
Abstract
A superficial, one step thermal polycondensation method has been employed for the manifestation of graphene like graphitic carbon nitride (g-C3N4) catalyst. The as synthesized g-C3N4 was well characterized by SEM and EDAX analysis, XRD, ATR-IR, FTIR, Fluorescence spectroscopy, Raman spectroscopy and UV-Visible spectroscopy which provide structural, morphological assemblage relating to the structure of g-C3N4. The g-C3N4 showed that an outstanding photochemical stability, morphology, conductive carbon framework and superior photocatalytic activity. The band gap value of g-C3N4 is 2.34 eV determined using Tauc plot. Due to low band gap (2.33 eV) and unique morphology which provides high separation and migration ability of the photogenerated charges, the g-C3N4 shows enhanced photocatalytic activity for the removal of many organic dyes such as Rhodamine B (RhB), Crystal Violet (CV), Methylene Blue (MB), Methyl Orange (MO), Naphthol Orange (NO) and a phenol derivative, p-Nitrophenol (p-NP). Among them, RhB dye was degraded almost 81 % at 90 min under sunlight irradiation in presence g-C3N4 while other dyes and p-NP was degraded at lower rate. From the experimental data, it was found that MO and p-NP degradation rate was least. The rate constant for degradation of Rh B is 1.1 × 10-2 min-1. Therefore, g-C3N4 can be used as an efficient photocatalyst for waste water treatment by the removal of such organic pollutants.
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Affiliation(s)
- Afroja Banu
- Department of Chemistry, University of North Bengal, Darjeeling, 734014, India
- Department of Chemistry, Ghani Khan Choudhury Institute of Engineering and Technology (GKCIET), Narayanpur, Malda, 732141, India
| | - Biswajit Sinha
- Department of Chemistry, University of North Bengal, Darjeeling, 734014, India
| | - Suranjan Sikdar
- Department of Chemistry, Ghani Khan Choudhury Institute of Engineering and Technology (GKCIET), Narayanpur, Malda, 732141, India
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3
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Yang Y, Li X, Li X, Wang J, Song D. Quantitative assessment, molecular docking and novel metabolic pathways reveal the interaction mechanisms between norfloxacin biodegradation and environmental implications. JOURNAL OF HAZARDOUS MATERIALS 2024; 472:134521. [PMID: 38718513 DOI: 10.1016/j.jhazmat.2024.134521] [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: 01/12/2024] [Revised: 03/26/2024] [Accepted: 04/30/2024] [Indexed: 05/30/2024]
Abstract
Norfloxacin (NOR) is widely used in medicine and animal husbandry, but its accumulation in the environment poses a substantial threat to ecological and human health. Traditional physical, chemical, and rudimentary biological methods often fall short in mitigating NOR contamination, necessitating innovative biological approaches. This study proposes an engineered bacterial consortium found in marine sediment as a strategy to enhance NOR degradation through inter-strain co-metabolism of diverse substrates. Strategically supplementing the engineered bacterial consortium with exogenous carbon sources and metal ions boosted the activity of key degradation enzymes like laccase, manganese peroxidase, and dehydrogenase. Iron and amino acids demonstrated synergistic effects, resulting in a remarkable 70.8% reduction in NOR levels. The innovative application of molecular docking elucidated enzyme interactions with NOR, uncovering potential biodegradation mechanisms. Quantitative assessment reinforced the efficiency of NOR degradation within the engineered bacterial consortium. Four metabolic routes are herein proposed: acetylation, defluorination, ring scission, and hydroxylation. Notably, this study discloses distinctive, co-operative metabolic pathways for NOR degradation within the specific microbial community. These findings provide new ways of understanding and investigating the bioremediation potential of NOR contaminants, which may lead to the development of more sustainable and effective environmental management strategies.
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Affiliation(s)
- Yuru Yang
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xiong'e Li
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xinyi Li
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Jiaxin Wang
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Donghui Song
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China; Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin 300457, China.
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4
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Sun C, Wang Z, Yu X, Zhang H, Cao J, Fang J, Wang J, Zhang L. The Phylogeny and Metabolic Potentials of an Aromatics-Degrading Marivivens Bacterium Isolated from Intertidal Seawater in East China Sea. Microorganisms 2024; 12:1308. [PMID: 39065077 PMCID: PMC11278965 DOI: 10.3390/microorganisms12071308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 07/28/2024] Open
Abstract
Lignocellulosic materials, made up of cellulose, hemicellulose, and lignin, constitute some of the most prevalent types of biopolymers in marine ecosystems. The degree to which marine microorganisms participate in the breakdown of lignin and their impact on the cycling of carbon in the oceans is not well understood. Strain LCG002, a novel Marivivens species isolated from Lu Chao Harbor's intertidal seawater, is distinguished by its ability to metabolize lignin and various aromatic compounds, including benzoate, 3-hydroxybenzoate, 4-hydroxybenzoate and phenylacetate. It also demonstrates a broad range of carbon source utilization, including carbohydrates, amino acids and carboxylates. Furthermore, it can oxidize inorganic gases, such as hydrogen and carbon monoxide, providing alternative energy sources in diverse marine environments. Its diversity of nitrogen metabolism is supported by nitrate/nitrite, urea, ammonium, putrescine transporters, as well as assimilatory nitrate reductase. For sulfur assimilation, it employs various pathways to utilize organic and inorganic substrates, including the SOX system and DSMP utilization. Overall, LCG002's metabolic versatility and genetic profile contribute to its ecological significance in marine environments, particularly in the degradation of lignocellulosic material and aromatic monomers.
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Affiliation(s)
- Chengwen Sun
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Zekai Wang
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Xi Yu
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Hongcai Zhang
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Junwei Cao
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Jiasong Fang
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Jiahua Wang
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
| | - Li Zhang
- Shanghai Engineering Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (C.S.); (Z.W.); (X.Y.); (H.Z.); (J.C.); (J.F.)
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5
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Moutcine A, Laghlimi C, Ziat Y, Isaad J, El Bahraoui S, Chtaini A. Electroanalytical analysis of phenol oxidation using bacteria immobilized by a polycaprolactone coating on the copper electrode surface. Sci Rep 2024; 14:13136. [PMID: 38849452 PMCID: PMC11161475 DOI: 10.1038/s41598-024-58281-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 03/27/2024] [Indexed: 06/09/2024] Open
Abstract
The copper electrode modified by bacteria immobilised by a polycaprolactone film was successfully developed by electropolymerisation for the purpose of determining the presence of phenol. Electrochemical techniques such as square-wave voltammetry (SWV), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to characterize the electrochemical properties of the Cu-polymer/bacteria electrode. The results show that the intensity of the phenol oxidation peak increases with concentration, allowing us to obtain good analytical results with DL of 2.156 × 10-7 M and QL which is 7.2 × 10-7 M , confirming that the biosensor has excellent electroanalytical activity for phenol oxidation, with good stability and a wide linear range. Our electrode is based on a easily available and inexpensive material, as well as on its simple preparation, which has demonstrated high performance for phenol.
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Affiliation(s)
- Abdelaziz Moutcine
- Molecular Electrochemistry and Inorganic Materials Team, Faculty of Science and Technology, Sultan Moulay Slimane University, Beni Mellal, Morocco.
| | - Charaf Laghlimi
- ERCI2A, FSTH, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Younes Ziat
- Engineering and Applied Physics Team (EAPT), Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Jalal Isaad
- ERCI2A, FSTH, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Soumia El Bahraoui
- Molecular Electrochemistry and Inorganic Materials Team, Faculty of Science and Technology, Sultan Moulay Slimane University, Beni Mellal, Morocco
- Université du Québec à Chicoutimi, Chicoutimi, Canada
| | - Abdelilah Chtaini
- Molecular Electrochemistry and Inorganic Materials Team, Faculty of Science and Technology, Sultan Moulay Slimane University, Beni Mellal, Morocco
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6
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Wang J, Zhang W, Wu C, Hong Y, Shen G, Wang W, Tang H, Mochidzuki K, Cui Z, Khan A, Wang W. Synergistic analysis of lignin degrading bacterial consortium and its application in rice straw fiber film. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172386. [PMID: 38604360 DOI: 10.1016/j.scitotenv.2024.172386] [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: 02/08/2024] [Revised: 04/08/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Fiber film have received widespread attention due to its green friendliness. We can use microorganisms to degrade lignin in straw to obtain cellulose and make fiber films. Herein, a group of high-temperature (50 °C) lignin degrading bacterial consortium (LDH) was enriched and culture conditions for lignin degradation were optimized. Combined with high-throughput sequencing technology, the synergistic effect of LDH-composited bacteria was analyzed. Then LDH was used to treat rice straw for the bio-pulping experiment. The results showed that the lignin of rice straw was degraded 32.4 % by LDH at 50 °C for 10 d, and after the optimization of culture conditions, lignin degradation rate increased by 9.05 % (P < 0.001). The bacteria that compose in LDH can synergistically degrade lignin. Paenibacillus can encode all lignin-degrading enzymes present in the LDH. Preliminary tests of LDH in the pulping industry have been completed. This study is the first to use high temperature lignin degrading bacteria to fabricate fiber film.
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Affiliation(s)
- Jinghong Wang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin 150040, PR China; Key Laboratory of Low-Carbon Green Agriculture in Northeast China, Ministry of Agriculture and Rural Affairs, College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China; College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China
| | - Wei Zhang
- Key Laboratory of Low-Carbon Green Agriculture in Northeast China, Ministry of Agriculture and Rural Affairs, College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China
| | - Chenying Wu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yanhua Hong
- Key Laboratory of Low-Carbon Green Agriculture in Northeast China, Ministry of Agriculture and Rural Affairs, College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China
| | - Guinan Shen
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China
| | - Weiwei Wang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Hongzhi Tang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Kazuhiro Mochidzuki
- A-ESG Science and Technology Research Center, Hiroshima University, Hiroshima 7398527, Japan
| | - Zongjun Cui
- College of Agronomy, China Agricultural University, Beijing 100094, PR China
| | - Aman Khan
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin 150040, PR China
| | - Weidong Wang
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin 150040, PR China; Key Laboratory of Low-Carbon Green Agriculture in Northeast China, Ministry of Agriculture and Rural Affairs, College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China; College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing 163319, PR China.
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7
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Hermann E, Rodrigues CF, Martins LO, Peterbauer C, Oostenbrink C. Engineering A-type Dye-Decolorizing Peroxidases by Modification of a Conserved Glutamate Residue. Chembiochem 2024; 25:e202300872. [PMID: 38376941 DOI: 10.1002/cbic.202300872] [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: 12/29/2023] [Revised: 02/08/2024] [Accepted: 02/20/2024] [Indexed: 02/21/2024]
Abstract
Dye-decolorizing peroxidases (DyPs) are recently identified microbial enzymes that have been used in several Biotechnology applications from wastewater treatment to lignin valorization. However, their properties and mechanism of action still have many open questions. Their heme-containing active site is buried by three conserved flexible loops with a putative role in modulating substrate access and enzyme catalysis. Here, we investigated the role of a conserved glutamate residue in stabilizing interactions in loop 2 of A-type DyPs. First, we did site saturation mutagenesis of this residue, replacing it with all possible amino acids in bacterial DyPs from Bacillus subtilis (BsDyP) and from Kitasatospora aureofaciens (KaDyP1), the latter being characterized here for the first time. We screened the resulting libraries of variants for activity towards ABTS and identified variants with increased catalytic efficiency. The selected variants were purified and characterized for activity and stability. We furthermore used Molecular Dynamics simulations to rationalize the increased catalytic efficiency and found that the main reason is the electron channeling becoming easier from surface-exposed tryptophans. Based on our findings, we also propose that this glutamate could work as a pH switch in the wild-type enzyme, preventing intracellular damage.
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Affiliation(s)
- Enikö Hermann
- Institute of Food Technology, Department of Food Science and Technology, University of Natural Resources and Life Sciences, Vienna, Muthgasse 11, 1190, Vienna, Austria
- Institute for Molecular Modeling and Simulation, Department of Material Science and Life Sciences, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - Carolina F Rodrigues
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av da República, 2780-157, Oeiras, Portugal
| | - Lígia O Martins
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av da República, 2780-157, Oeiras, Portugal
| | - Clemens Peterbauer
- Institute of Food Technology, Department of Food Science and Technology, University of Natural Resources and Life Sciences, Vienna, Muthgasse 11, 1190, Vienna, Austria
| | - Chris Oostenbrink
- Institute for Molecular Modeling and Simulation, Department of Material Science and Life Sciences, University of Natural Resources and Life Sciences, Vienna, Muthgasse 18, 1190, Vienna, Austria
- Christian Doppler Laboratory for Molecular Informatics in the Biosciences, University of Natural Resources and Life Sciences, Vienna, Austria
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8
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Muhammad MA, Balogun EO, Sallau AB, Chia MA, Shuaibu MN. Identification of novel laccase from cyanobacterium Microcystis flos-aquae and enhanced azo dye bioremediation potential. BIORESOURCE TECHNOLOGY 2024; 399:130587. [PMID: 38490464 DOI: 10.1016/j.biortech.2024.130587] [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: 01/23/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Textile industries discharge up to 280,000 tons of dye waste annually, resulting in global pollution and health risks. In Nigeria and other African countries, persistent dyes threaten aquatic life and human health. This study introduces a cost-effective, enzyme-mediated bioremediation alternative using a novel laccase from the cyanobacteriumMicrocystis flos-aquae. This purified enzyme yielded 0.55 % (w/w)with significant activity at 40 °C and pH 4.00. Kinetic studies showed the dependence of M. flos-aquae laccase on Cu2+and its inhibition by EDTA and Fe2+. The efficacy of the enzyme was demonstrated through rapid decolorization of the azo dye Cibacron Brilliant Blue over a wide temperature and pH range. As this enzyme effectively decolorizes dyes across a broad temperature and pH range, it offers a promising solution for bioremediation of textile effluents.
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Affiliation(s)
| | - Emmanuel Oluwadareus Balogun
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria; Africa Centre of Excellence on New Pedagogies in Engineering Education (ACENPEE), Nigeria.
| | | | - Mathias Ahii Chia
- Department of Botany, Ahmadu Bello University, Zaria, Nigeria; Department of Ecology, University of Brasilia, Brazil.
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9
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Liu S, Wu J, Ma X, Wang L, Han J, Wang Y. A novel photo-enzyme platform based on non-metallic modified carbon nitride for removal of bisphenol A in water. Int J Biol Macromol 2024; 264:130402. [PMID: 38408583 DOI: 10.1016/j.ijbiomac.2024.130402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
A nonmetallic composite photocatalyst with 2D/2D structure was prepared by hydrothermal in-situ polymerization and used for the immobilization of cytochrome C (Cyt c). The photo-enzyme coupling system has a very high enzyme load, which can reach 528.29 mg g-1 after optimization. Compared with free Cyt c, Cytc/PEDOT/CN showed better enzymatic activity, stability and catalytic efficiency. Even after being stored at 100 °C for 60 min, the enzyme activity remained at 49.42 % and remained at 57.89 % after 8 cycles. Moreover, Cytc0.5/PEDOT3/CN showed excellent photocatalytic degradation performance in the degradation experiment of bisphenol A (BPA), reaching 68.22 % degradation rate within 60 min, which was 3.9 times higher than that of pure g-C3N4 and 1.61 times higher than that of pure PEDOT3/CN. This study shows that the introduction of conductive polymers is of great significance to the photo-enzyme coupling system and provides a new strategy for the treatment of phenol-containing wastewater.
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Affiliation(s)
- Shiyuan Liu
- College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiacong Wu
- College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xinnan Ma
- College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Lei Wang
- College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Juan Han
- College of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Yun Wang
- College of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China.
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10
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Ahmad I, Singh AK, Mohd S, Katari SK, Nalamolu RM, Ahmad A, Baothman OA, Hosawi SA, Altayeb H, Nadeem MS, Ahmad V. In Silico Insights into the Arsenic Binding Mechanism Deploying Application of Computational Biology-Based Toolsets. ACS OMEGA 2024; 9:7529-7544. [PMID: 38405466 PMCID: PMC10882604 DOI: 10.1021/acsomega.3c06313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/16/2024] [Accepted: 01/22/2024] [Indexed: 02/27/2024]
Abstract
An assortment of environmental matrices includes arsenic (As) in its different oxidation states, which is often linked to concerns that pose a threat to public health worldwide. The current difficulty lies in addressing toxicological concerns and achieving sustained detoxification of As. Multiple conventional degradation methods are accessible; however, they are indeed labor-intensive, expensive, and reliant on prolonged laboratory evaluations. Molecular interaction and atomic level degradation mechanisms for enzyme-As exploration are, however, underexplored in those approaches. A feasible approach in this case for tackling this accompanying concern of As might be to cope with undertaking multivalent computational methodologies and tools. This work aimed to provide molecular-level insight into the enzyme-aided As degradation mechanism. AutoDock Vina, CABS-flex 2.0, and Desmond high-performance molecular dynamics simulation (MDS) were utilized in the current investigation to simulate multivalent molecular processes on two protein sets: arsenate reductase (ArsC) and laccase (LAC) corresponding arsenate (ART) and arsenite (AST), which served as model ligands to comprehend binding, conformational, and energy attributes. The structural configurations of both proteins exhibited variability in flexibility and structure framework within the range of 3.5-4.5 Å. The LAC-ART complex exhibited the lowest calculated binding affinity, measuring -5.82 ± 0.01 kcal/mol. Meanwhile, active site residues ILE-200 and HIS-206 were demonstrated to engage in H-bonding with the ART ligand. In contrast to ArsC, the ligand binding affinity of this bound complex was considerably greater. Additional validation of docked complexes was carried out by deploying Desmond MDS of 100 ns to capture protein and ligand conformation behavior. The system achieved stability during the 100 ns simulation run, as confirmed by the average P-L RMSD, which was ∼1 Å. As a preliminary test of the enzyme's ability to catalyze As species, corresponding computational insights might be advantageous for bridging gaps and regulatory consideration.
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Affiliation(s)
- Imran Ahmad
- Department
of Biochemistry, King George’s Medical
University, Lucknow, Uttar Pradesh 226003, India
- Environmental
Toxicology Group, CSIR-Indian Institute
of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh 226001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Anil Kumar Singh
- Environmental
Toxicology Group, CSIR-Indian Institute
of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31, Mahatma Gandhi Marg, Lucknow, Uttar Pradesh 226001, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shayan Mohd
- Department
of Bioengineering, Faculty of Engineering, Integral University, Dasauli, Kursi Road, Lucknow 226026, India
| | - Sudheer Kumar Katari
- Department
of Biotechnology, Vignan’s Foundation
for Science, Technology & Research, Vadlamudi, Andhra Pradesh 522213, India
| | - Ravina Madhulitha Nalamolu
- Department
of Biotechnology, Vignan’s Foundation
for Science, Technology & Research, Vadlamudi, Andhra Pradesh 522213, India
| | - Abrar Ahmad
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Kingdom
of Saudi Arabia
| | - Othman A. Baothman
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Kingdom
of Saudi Arabia
| | - Salman A. Hosawi
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Kingdom
of Saudi Arabia
| | - Hisham Altayeb
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Kingdom
of Saudi Arabia
| | - Muhammad Shahid Nadeem
- Department
of Biochemistry, Faculty of Sciences, King
Abdulaziz University, Jeddah 21589, Kingdom
of Saudi Arabia
| | - Varish Ahmad
- Department
of Health Information Technology, Faculty of Applied Studies, King Abdulaziz University, Jeddah 21589, Kingdom of Saudi Arabia
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Gupta GK, Kapoor RK. Recent advances in eco-friendly technology for decontamination of pulp and paper mill industrial effluent: a review. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:275. [PMID: 38363444 DOI: 10.1007/s10661-024-12399-3] [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: 10/27/2023] [Accepted: 01/29/2024] [Indexed: 02/17/2024]
Abstract
The economic development of a country directly depends upon industries. But this economic development should not be at the cost of our natural environment. A substantial amount of water is spent during paper production, creating water scarcity and generating wastewater. Therefore, the Pollution Control Board classifies this industry into red category. Water is used in different papermaking stages such as debarking, pulping or bleaching, washing, and finishing. The wastewater thus generated contains lignin and xenobiotic compounds such as resin acids, chlorinated lignin, phenols, furans, dioxins, chlorophenols, adsorbable organic halogens (AOX), extractable organic halogens (EOCs), polychlorinated biphenyls, plasticizers, and polychlorinated dibenzodioxins. Nowadays, several microorganisms are used in the detoxification of these hazardous effluents. Researchers have found that microbial degradation is the most promising treatment method to remove high biological oxygen demand (BOD) and chemical oxygen demand (COD) from wastewater. Microorganisms also remove AOX toxicity, chlorinated compounds, suspended solids, color, lignin, derivatives, etc. from the pulp and paper mill effluents. But in the current scenario, mill effluents are known to deteriorate the environment and therefore it is highly desirable to deploy advanced technologies for effluent treatment. This review summarizes the eco-friendly advanced treatment technologies for effluents generated from pulp and paper mills.
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Affiliation(s)
- Guddu Kumar Gupta
- Enzyme and Fermentation Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Rajeev Kumar Kapoor
- Enzyme and Fermentation Technology Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
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12
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Gómez-Vázquez EG, Sánchez Roque Y, Ibáñez-Duharte GR, Canseco-Pérez MA, Zenteno-Carballo AG, Berrones-Hernández R, Pérez-Luna YC. Molecular identification and lipolytic potential of filamentous fungi isolated from residual cooking oil. Biodivers Data J 2024; 12:e113698. [PMID: 38352121 PMCID: PMC10862348 DOI: 10.3897/bdj.12.e113698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/24/2024] [Indexed: 02/16/2024] Open
Abstract
Filamentous fungi, microorganisms that develop and are located in different habitats, are considered important producers of enzymes and metabolites with potential for the biotechnology industry. The objective of this work was to isolate and identify filamentous fungi that grow in used oil. Two fungal species were characterised through their morphology and molecular identification. The DNA of each extracted strain was amplified by PCR using primers ITS1 and ITS4, obtaining sequences that were later in GenBank (NCBI). A white coloured strain (HB) with a cottony, white, hyaline morphology and irregular borders was observed; so too, a brown colony (HC) with a sandy surface, a well-defined border of beige colour in early growth until it became a dark brown colour. The identity result by homology of the sequences in the BLASTn database was 100% and 99.55%, indicating that they correspond to Cladosporiumtenuissimum and Fomitopsismeliae, respectively. Finally, the results in lipolytic activity show greater potential for Fomitopsismeliae with 0.61 U/l in residual oil. Thus, it is important to highlight the potential of this type of waste to favour the prospection of microorganisms for a sustainable alternative for future studies of biological conversion.
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Affiliation(s)
- Elvia G Gómez-Vázquez
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | - Yazmin Sánchez Roque
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
| | - Guillermo R Ibáñez-Duharte
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | - Miguel A Canseco-Pérez
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
| | - Ana G Zenteno-Carballo
- Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez, MexicoUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | | | - Yolanda C Pérez-Luna
- Universidad Politécnica de Chiapas, Suchiapa, MexicoUniversidad Politécnica de ChiapasSuchiapaMexico
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Geris R, Malta M, Soares LA, de Souza Neta LC, Pereira NS, Soares M, Reis VDS, Pereira MDG. A Review about the Mycoremediation of Soil Impacted by War-like Activities: Challenges and Gaps. J Fungi (Basel) 2024; 10:94. [PMID: 38392767 PMCID: PMC10890077 DOI: 10.3390/jof10020094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 02/24/2024] Open
Abstract
(1) Background: The frequency and intensity of war-like activities (war, military training, and shooting ranges) worldwide cause soil pollution by metals, metalloids, explosives, radionuclides, and herbicides. Despite this environmentally worrying scenario, soil decontamination in former war zones almost always involves incineration. Nevertheless, this practice is expensive, and its efficiency is suitable only for organic pollutants. Therefore, treating soils polluted by wars requires efficient and economically viable alternatives. In this sense, this manuscript reviews the status and knowledge gaps of mycoremediation. (2) Methods: The literature review consisted of searches on ScienceDirect and Web of Science for articles (1980 to 2023) on the mycoremediation of soils containing pollutants derived from war-like activities. (3) Results: This review highlighted that mycoremediation has many successful applications for removing all pollutants of war-like activities. However, the mycoremediation of soils in former war zones and those impacted by military training and shooting ranges is still very incipient, with most applications emphasizing explosives. (4) Conclusion: The mycoremediation of soils from conflict zones is an entirely open field of research, and the main challenge is to optimize experimental conditions on a field scale.
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Affiliation(s)
- Regina Geris
- Institute of Chemistry, Federal University of Bahia, Barão de Jeremoabo Street, s/n, Campus Ondina, 40170-115 Salvador, BA, Brazil
| | - Marcos Malta
- Institute of Chemistry, Federal University of Bahia, Barão de Jeremoabo Street, s/n, Campus Ondina, 40170-115 Salvador, BA, Brazil
| | - Luar Aguiar Soares
- Department of Exact and Earth Sciences, Bahia State University, Silveira Martins Street, N. 2555, Cabula, 41150-000 Salvador, BA, Brazil
| | - Lourdes Cardoso de Souza Neta
- Department of Exact and Earth Sciences, Bahia State University, Silveira Martins Street, N. 2555, Cabula, 41150-000 Salvador, BA, Brazil
| | - Natan Silva Pereira
- Department of Exact and Earth Sciences, Bahia State University, Silveira Martins Street, N. 2555, Cabula, 41150-000 Salvador, BA, Brazil
| | - Miguel Soares
- Institute of Chemistry, Federal University of Bahia, Barão de Jeremoabo Street, s/n, Campus Ondina, 40170-115 Salvador, BA, Brazil
| | - Vanessa da Silva Reis
- Department of Exact and Earth Sciences, Bahia State University, Silveira Martins Street, N. 2555, Cabula, 41150-000 Salvador, BA, Brazil
| | - Madson de Godoi Pereira
- Department of Exact and Earth Sciences, Bahia State University, Silveira Martins Street, N. 2555, Cabula, 41150-000 Salvador, BA, Brazil
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14
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Lee T, Choi D, Park J, Tsang YF, Andrew Lin KY, Jung S, Kwon EE. Valorizing spent mushroom substrate into syngas by the thermo-chemical process. BIORESOURCE TECHNOLOGY 2024; 391:130007. [PMID: 37952593 DOI: 10.1016/j.biortech.2023.130007] [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: 10/03/2023] [Revised: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 11/14/2023]
Abstract
This study investigated the conversion of agricultural biomass waste (specifically, spent mushroom substrate) into syngas via pyrolysis. Carbon dioxide was used to provide a green/sustainable feature in the pyrolysis process. All the experimental data highlight the mechanistic role of carbon dioxide (CO2) in the process, demonstrated by the enhanced carbon monoxide (CO) yield from pyrolysis under CO2. Carbon dioxide was indeed reactive at ≥ 500 ˚C. Carbon dioxide was reduced and subsequently oxidized volatiles stemming from the thermolysis of spent mushroom substrate via the gas-phase reaction, thereby resulting in the enhanced formation of CO. Carbon dioxide radically diverted the carbon distribution patterns of the pyrogenic products, as more carbon in the oil was allocated to syngas by the gas-phase reaction of volatiles and CO2. To enhance the mechanistic role of CO2, a Ni-based catalyst was added to the pyrolysis process, which greatly accelerated the gas-phase reaction of volatiles and CO2.
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Affiliation(s)
- Taewoo Lee
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Dongho Choi
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jonghyun Park
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Yiu Fai Tsang
- Department of Science and Environmental Studies and State Key Laboratory in Marine Pollution, The Education University of Hong Kong, Tai Po, New Territories 999077, Hong Kong
| | - Kun-Yi Andrew Lin
- Institute of Analytical and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan; Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung, Taiwan
| | - Sungyup Jung
- Department of Environmental Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Eilhann E Kwon
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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15
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Gao S, Chen X, Tian G, Fu Y, Qin M, Wang Z. Preparation of light-colored bio-based particles by isocyanate-modified lignins and its application for tetracycline adsorption. Int J Biol Macromol 2023; 253:127107. [PMID: 37769771 DOI: 10.1016/j.ijbiomac.2023.127107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/12/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
A practical method for the preparation of lignin derivatives-light-colored bio-based particles (LC-BP) via the modification of hexamethylene diisocyanate (HDI) is presented in this work. In the mixed EtOH/H2O system, the change of solvent polarity induced the self-assembly of the lignosulfonate (LS) with the hydrophobic chromophores encapsulated inside the particles. The color of LS was reduced by the polymerization between the isocyanate groups (-N=C=O) of HDI and hydroxy groups of LS. Compared with the typical lignin-based adsorbent preparation process in the past, this is a simple, direct, and efficient preparation method and the synthetic LC-BP has good chemical stability and resistance to heat, acid and alkali. This effectively solves the problem that LS has high water solubility and is difficult to use directly for wastewater treatment. To investigate the properties, the synthetic LC-BP was characterized by SEM, specific surface area, L*a*b* (CIELAB) color space, FT-IR, XPS, and TGA. The results showed that the LC-BP exhibited obvious advantages in color reduction with a low CIE-L* value. The LC-BP exhibits a scale-like intercalation structure, which makes it a promising candidate for adsorbing tetracycline (TC) from wastewater. The conditions of pH, adsorbent dosages, adsorption time, and initial TC concentration were investigated, and the adsorption performance of LC-BP for TC was significantly better than that of conventional polyurethane particles (PP). The adsorption fitted the Langmuir model and there were hydrogen bonding, π-π conjugated binding, and electrostatic attraction during the absorption process. The adsorption capacity was up to 53.1 mg/g, and the removal rate was 67 %. The utilization of LC-BP, a low-cost, effective, and renewable resource derived from natural biomass, holds immense practical and economic potential in wastewater treatment.
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Affiliation(s)
- Shuai Gao
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, China
| | - Xiaoqian Chen
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, China.
| | - Guoyu Tian
- Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, China
| | - Yingjuan Fu
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, China
| | - Menghua Qin
- College of Chemistry and Chemical Engineering, Qilu Normal University, Jinan 250200, China
| | - Zhaojiang Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, China.
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16
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Fordjour E, Manful CF, Javed R, Galagedara LW, Cuss CW, Cheema M, Thomas R. Chaga mushroom: a super-fungus with countless facets and untapped potential. Front Pharmacol 2023; 14:1273786. [PMID: 38116085 PMCID: PMC10728660 DOI: 10.3389/fphar.2023.1273786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/16/2023] [Indexed: 12/21/2023] Open
Abstract
Inonotus obliquus (Chaga mushroom) is an inexpensive fungus with a broad range of traditional and medicinal applications. These applications include therapy for breast, cervix, and skin cancers, as well as treating diabetes. However, its benefits are virtually untapped due to a limited understanding of its mycochemical composition and bioactivities. In this article, we explore the ethnobotany, mycochemistry, pharmacology, traditional therapeutic, cosmetic, and prospective agricultural uses. The review establishes that several secondary metabolites, such as steroids, terpenoids, and other compounds exist in chaga. Findings on its bioactivity have demonstrated its ability as an antioxidant, anti-inflammatory, antiviral, and antitumor agent. The study also demonstrates that Chaga powder has a long history of traditional use for medicinal purposes, pipe smoking rituals, and mystical future forecasts. The study further reveals that the applications of Chaga powder can be extended to industries such as pharmaceuticals, food, cosmetics, and agriculture. However numerous publications focused on the pharmaceutical benefits of Chaga with few publications on other applications. Overall, chaga is a promising natural resource with a wide range of potential applications and therefore the diverse array of therapeutic compounds makes it an attractive candidate for various applications such as plant biofertilizers and active ingredients in cosmetics and pharmaceutical products. Thus, further exploration of Chaga's potential benefits in agriculture and other industries could lead to exciting new developments and innovations.
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Affiliation(s)
- Eric Fordjour
- Biotron Experimental Climate Change Research Centre, Department of Biology, University of Western Ontario, London, ON, Canada
| | - Charles F. Manful
- School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Rabia Javed
- School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Lakshman W. Galagedara
- School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Chad W. Cuss
- School of Science and the Environment, Grenfell Campus, Memorial University of Newfoundland, Corner Brook, NL, Canada
| | - Mumtaz Cheema
- Biotron Experimental Climate Change Research Centre, Department of Biology, University of Western Ontario, London, ON, Canada
| | - Raymond Thomas
- Biotron Experimental Climate Change Research Centre, Department of Biology, University of Western Ontario, London, ON, Canada
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17
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Sharma M, Agarwal S, Agarwal Malik R, Kumar G, Pal DB, Mandal M, Sarkar A, Bantun F, Haque S, Singh P, Srivastava N, Gupta VK. Recent advances in microbial engineering approaches for wastewater treatment: a review. Bioengineered 2023; 14:2184518. [PMID: 37498651 PMCID: PMC10376923 DOI: 10.1080/21655979.2023.2184518] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/09/2022] [Accepted: 09/14/2022] [Indexed: 07/28/2023] Open
Abstract
In the present era of global climate change, the scarcity of potable water is increasing both due to natural and anthropogenic causes. Water is the elixir of life, and its usage has risen significantly due to escalating economic activities, widespread urbanization, and industrialization. The increasing water scarcity and rising contamination have compelled, scientists and researchers, to adopt feasible and sustainable wastewater treatment methods in meeting the growing demand for freshwater. Presently, various waste treatment technologies are adopted across the globe, such as physical, chemical, and biological treatment processes. There is a need to replace these technologies with sustainable and green technology that encourages the use of microorganisms since they have proven to be more effective in water treatment processes. The present review article is focused on demonstrating how effectively various microbes can be used in wastewater treatment to achieve environmental sustainability and economic feasibility. The microbial consortium used for water treatment offers many advantages over pure culture. There is an urgent need to develop hybrid treatment technology for the effective remediation of various organic and inorganic pollutants from wastewater.
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Affiliation(s)
- Monika Sharma
- Department of Zoology, University of Jammu, Jammu and Kashmir, India
| | - Sangita Agarwal
- Department of Applied Science, RCC Institute of Information Technology Kolkata, West Bengal, India
| | - Richa Agarwal Malik
- Department of Environmental Studies, PGDAV College, University of Delhi, New Delhi, India
| | - Gaurav Kumar
- Department of Environmental Studies, PGDAV College, University of Delhi, New Delhi, India
| | - Dan Bahadur Pal
- Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur, Uttar Pradesh, India
| | - Mamun Mandal
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, West Bengal, India
| | - Abhijit Sarkar
- Laboratory of Applied Stress Biology, Department of Botany, University of Gour Banga, Malda, West Bengal, India
| | - Farkad Bantun
- Department of Microbiology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, Saudi Arabia
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Pardeep Singh
- Department of Environmental Studies, PGDAV College, University of Delhi, New Delhi, India
| | - Neha Srivastava
- Department of Chemical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi, India
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18
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Aminian-Dehkordi J, Rahimi S, Golzar-Ahmadi M, Singh A, Lopez J, Ledesma-Amaro R, Mijakovic I. Synthetic biology tools for environmental protection. Biotechnol Adv 2023; 68:108239. [PMID: 37619824 DOI: 10.1016/j.biotechadv.2023.108239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/17/2023] [Accepted: 08/20/2023] [Indexed: 08/26/2023]
Abstract
Synthetic biology transforms the way we perceive biological systems. Emerging technologies in this field affect many disciplines of science and engineering. Traditionally, synthetic biology approaches were commonly aimed at developing cost-effective microbial cell factories to produce chemicals from renewable sources. Based on this, the immediate beneficial impact of synthetic biology on the environment came from reducing our oil dependency. However, synthetic biology is starting to play a more direct role in environmental protection. Toxic chemicals released by industries and agriculture endanger the environment, disrupting ecosystem balance and biodiversity loss. This review highlights synthetic biology approaches that can help environmental protection by providing remediation systems capable of sensing and responding to specific pollutants. Remediation strategies based on genetically engineered microbes and plants are discussed. Further, an overview of computational approaches that facilitate the design and application of synthetic biology tools in environmental protection is presented.
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Affiliation(s)
| | - Shadi Rahimi
- Department of Life Sciences, Chalmers University of Technology, Göteborg, Sweden
| | - Mehdi Golzar-Ahmadi
- Norman B. Keevil Institute of Mining Engineering, University of British Columbia, Vancouver, Canada
| | - Amritpal Singh
- Department of Bioengineering, Imperial College London, London, SW72AZ, UK
| | - Javiera Lopez
- Department of Bioengineering, Imperial College London, London, SW72AZ, UK
| | | | - Ivan Mijakovic
- Department of Life Sciences, Chalmers University of Technology, Göteborg, Sweden; Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark.
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19
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Champramary S, Indic B, Szűcs A, Tyagi C, Languar O, Hasan KMF, Szekeres A, Vágvölgyi C, Kredics L, Sipos G. The mycoremediation potential of the armillarioids: a comparative genomics analysis. Front Bioeng Biotechnol 2023; 11:1189640. [PMID: 37662429 PMCID: PMC10470841 DOI: 10.3389/fbioe.2023.1189640] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 08/03/2023] [Indexed: 09/05/2023] Open
Abstract
Genes involved in mycoremediation were identified by comparative genomics analysis in 10 armillarioid species and selected groups of white-rot Basidiomycota (14) and soft-rot Ascomycota (12) species to confine the distinctive bioremediation capabilities of the armillarioids. The genomes were explored using phylogenetic principal component analysis (pPCA), searching for genes already documented in a biocatalysis/biodegradation database. The results underlined a distinct, increased potential of aromatics-degrading genes/enzymes in armillarioids, with particular emphasis on a high copy number and diverse spectrum of benzoate 4-monooxygenase [EC:1.14.14.92] homologs. In addition, other enzymes involved in the degradation of various monocyclic aromatics were more abundant in the armillarioids than in the other white-rot basidiomycetes, and enzymes involved in the degradation of polycyclic aromatic hydrocarbons (PAHs) were more prevailing in armillarioids and other white-rot species than in soft-rot Ascomycetes. Transcriptome profiling of A. ostoyae and A. borealis isolates confirmed that several genes involved in the degradation of benzoates and other monocyclic aromatics were distinctively expressed in the wood-invading fungal mycelia. Data were consistent with armillarioid species offering a more powerful potential in degrading aromatics. Our results provide a reliable, practical solution for screening the likely fungal candidates for their full biodegradation potential, applicability, and possible specialization based on their genomics data.
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Affiliation(s)
- Simang Champramary
- Functional Genomics and Bioinformatics Group, Institute of Forest and Natural Resource Management, Faculty of Forestry, University of Sopron, Sopron, Hungary
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Boris Indic
- Functional Genomics and Bioinformatics Group, Institute of Forest and Natural Resource Management, Faculty of Forestry, University of Sopron, Sopron, Hungary
| | - Attila Szűcs
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Chetna Tyagi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Omar Languar
- Functional Genomics and Bioinformatics Group, Institute of Forest and Natural Resource Management, Faculty of Forestry, University of Sopron, Sopron, Hungary
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - K. M. Faridul Hasan
- Fibre and Nanotechnology Program, Faculty of Wood Engineering and Creative Industries, University of Sopron, Sopron, Hungary
| | - András Szekeres
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - Csaba Vágvölgyi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - László Kredics
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Szeged, Hungary
| | - György Sipos
- Functional Genomics and Bioinformatics Group, Institute of Forest and Natural Resource Management, Faculty of Forestry, University of Sopron, Sopron, Hungary
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20
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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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21
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Dahiya M, Islam DT, Srivastava P, Sreekrishnan TR, Mishra S. Detoxification and decolorization of complex textile effluent in an enzyme membrane reactor: batch and continuous studies. Front Microbiol 2023; 14:1193875. [PMID: 37485538 PMCID: PMC10361525 DOI: 10.3389/fmicb.2023.1193875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 06/19/2023] [Indexed: 07/25/2023] Open
Abstract
There is an urgent need to look for bio-based technologies to address the pollution related to textile dyes in waterbodies. The aim of this study was to evaluate an engineered laccase variant, LCC1-62 of Cyathus bulleri, expressed in recombinant Pichia pastoris, for the decolorization and detoxification of real textile effluent. The partially purified laccase effectively (~60-100%) decolorized combined effluent from different dyeing units at a laccase concentration of 500 U/L at a 50-mL level. Decolorization and detoxification of the combined effluents, from a local textile mill, were evaluated at 0.3 L volumetric level in a ray-flow membrane reactor in batch and continuous modes of operation. In batch studies, maximum decolorization of 97% and detoxification of 96% occurred at a hydraulic retention time (HRT) of 6 h without any additional laccase requirement. In continuous studies, the reactor was operated at an HRT of 6 h with a lower enzyme dosage (~120 U/L of the effluent). Decolorization was accompanied by a loss in laccase activity which was restored to ~120 U/L by the addition of laccase in two regimes. The addition of laccase, when the residual laccase activity decreased to 40% (~50 U/L), resulted in high decolorization (~5 ppm residual dye concentration) and low variance (σ2) of 2.77, while laccase addition, when the residual dye concentration decreased to ~8% (~10 U/L), resulted in an average dye concentration of 13 ppm with a high variance of 62.08. The first regime was implemented, and the continuous reactor was operated for over 80 h at an HRT of 3 and 6 h, with the latter resulting in ~95% decolorization and 96% reduction in the mutagenicity of the effluent. Less than 10% membrane fouling was observed over long operations of the reactor. The findings strongly suggest the feasibility of using LCC1-62 in an enzyme membrane reactor for large-scale treatment of textile effluents.
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Wu Y, Liu Y, Kamyab H, Manivasagan R, Rajamohan N, Ngo GH, Xia C. Physico-chemical and biological remediation techniques for the elimination of endocrine-disrupting hazardous chemicals. ENVIRONMENTAL RESEARCH 2023:116363. [PMID: 37295587 DOI: 10.1016/j.envres.2023.116363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/27/2023] [Accepted: 06/07/2023] [Indexed: 06/12/2023]
Abstract
Due to their widespread occurrence and detrimental effects on human health and the environment, endocrine-disrupting hazardous chemicals (EDHCs) have become a significant concern. Therefore, numerous physicochemical and biological remediation techniques have been developed to eliminate EDHCs from various environmental matrices. This review paper aims to provide a comprehensive overview of the state-of-the-art remediation techniques for eliminating EDHCs. The physicochemical methods include adsorption, membrane filtration, photocatalysis, and advanced oxidation processes. The biological methods include biodegradation, phytoremediation, and microbial fuel cells. Each technique's effectiveness, advantages, limitations, and factors affecting their performance are discussed. The review also highlights recent developments and future perspectives in EDHCs remediation. This review provides valuable insights into selecting and optimizing remediation techniques for EDHCs in different environmental matrices.
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Affiliation(s)
- Yingji Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Yubo Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Hesam Kamyab
- Faculty of Architecture and Urbanism, UTE University, Calle Rumipamba S/N and Bourgeois, Quito, Ecuador; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, 600 077, India; Malaysia-Japan International Institute of Technology Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
| | - Rajasimman Manivasagan
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, India.
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
| | - Gia Huy Ngo
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, 550000, Viet Nam; Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang, 550000, Viet Nam
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
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23
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Singh AK, Iqbal HMN, Cardullo N, Muccilli V, Fern'andez-Lucas J, Schmidt JE, Jesionowski T, Bilal M. Structural insights, biocatalytic characteristics, and application prospects of lignin-modifying enzymes for sustainable biotechnology-A review. Int J Biol Macromol 2023:124968. [PMID: 37217044 DOI: 10.1016/j.ijbiomac.2023.124968] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 04/22/2023] [Accepted: 05/17/2023] [Indexed: 05/24/2023]
Abstract
Lignin modifying enzymes (LMEs) have gained widespread recognition in depolymerization of lignin polymers by oxidative cleavage. LMEs are a robust class of biocatalysts that include lignin peroxidase (LiP), manganese peroxidase (MnP), versatile peroxidase (VP), laccase (LAC), and dye-decolorizing peroxidase (DyP). Members of the LMEs family act on phenolic, non-phenolic substrates and have been widely researched for valorization of lignin, oxidative cleavage of xenobiotics and phenolics. LMEs implementation in the biotechnological and industrial sectors has sparked significant attention, although its potential future applications remain underexploited. To understand the mechanism of LMEs in sustainable pollution mitigation, several studies have been undertaken to assess the feasibility of LMEs in correlating to diverse pollutants for binding and intermolecular interactions at the molecular level. However, further investigation is required to fully comprehend the underlying mechanism. In this review we presented the key structural and functional features of LMEs, including the computational aspects, as well as the advanced applications in biotechnology and industrial research. Furthermore, concluding remarks and a look ahead, the use of LMEs coupled with computational frameworks, built upon artificial intelligence (AI) and machine learning (ML), has been emphasized as a recent milestone in environmental research.
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Affiliation(s)
- Anil Kumar Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Nunzio Cardullo
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, V.le A. Doria 6, 95125 Catania, Italy
| | - Vera Muccilli
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, V.le A. Doria 6, 95125 Catania, Italy
| | - Jesús Fern'andez-Lucas
- Applied Biotechnology Group, Universidad Europea de Madrid, Urbanizaci'on El Bosque, 28670 Villaviciosa de Od'on, Spain; Grupo de Investigaci'on en Ciencias Naturales y Exactas, GICNEX, Universidad de la Costa, CUC, Calle 58 # 55-66, 080002 Barranquilla, Colombia
| | - Jens Ejbye Schmidt
- Department of Chemical Engineering, Biotechnology and Environmental Technology, University of Southern Denmark, Odense, Denmark
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland.
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Thacharodi A, Hassan S, Hegde TA, Thacharodi DD, Brindhadevi K, Pugazhendhi A. Water a major source of endocrine-disrupting chemicals: An overview on the occurrence, implications on human health and bioremediation strategies. ENVIRONMENTAL RESEARCH 2023; 231:116097. [PMID: 37182827 DOI: 10.1016/j.envres.2023.116097] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/24/2023] [Accepted: 05/09/2023] [Indexed: 05/16/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are toxic compounds that occur naturally or are the output of anthropogenic activities that negatively impact both humans and wildlife. A number of diseases are associated with these disruptors, including reproductive disorders, cardiovascular disorders, kidney disease, neurological disorders, autoimmune disorders, and cancer. Due to their integral role in pharmaceuticals and cosmetics, packaging companies, agro-industries, pesticides, and plasticizers, the scientific awareness on natural and artificial EDCs are increasing. As these xenobiotic compounds tend to bioaccumulate in body tissues and may also persist longer in the environment, the concentrations of these organic compounds may increase far from their original point of concentrations. Water remains as the major sources of how humans and animals are exposed to EDCs. However, these toxic compounds cannot be completely biodegraded nor bioremediated from the aqueous medium with conventional treatment strategies thereby requiring much more efficient strategies to combat EDC contamination. Recently, genetically engineered microorganism, genome editing, and the knowledge of protein and metabolic engineering has revolutionized the field of bioremediation thereby helping to breakdown EDCs effectively. This review shed lights on understanding the importance of aquatic mediums as a source of EDCs exposure. Furthermore, the review sheds light on the consequences of these EDCs on human health as well as highlights the importance of different remediation and bioremediation approaches. Particular attention is paid to the recent trends and perspectives in order to attain sustainable approaches to the bioremediation of EDCs. Additionally, rigorous restrictions to preclude the discharge of estrogenic chemicals into the environment should be followed in efforts to combat EDC pollution.
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Affiliation(s)
- Aswin Thacharodi
- Department of Biochemistry, University of Otago, Dunedin, 9054, New Zealand; Thacharodi's Laboratories, Department of Research and Development, Puducherry, 605005, India
| | - Saqib Hassan
- Future Leaders Mentoring Fellow, American Society for Microbiology, Washington, 20036, USA; Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014, India
| | - Thanushree A Hegde
- Civil Engineering Department, NMAM Institute of Technology, Nitte, Karnataka, 574110, India
| | - Dhanya Dilip Thacharodi
- Thacharodi's Laboratories, Department of Research and Development, Puducherry, 605005, India
| | - Kathirvel Brindhadevi
- Emerging Materials for Energy and Environmental Applications Research Group, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam
| | - Arivalagan Pugazhendhi
- Emerging Materials for Energy and Environmental Applications Research Group, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam.
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25
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Wang J, Yang J, Huang W, Huang W, Jia R. A mutant R70V/E166A of short manganese peroxidase showing Mn 2+-independent dye decolorization. Appl Microbiol Biotechnol 2023; 107:2303-2319. [PMID: 36843195 DOI: 10.1007/s00253-023-12438-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/28/2023]
Abstract
Il-MnP1, a short-type manganese peroxidase from Irpex lacteus F17, can oxidize some substrates in the absence of Mn2+, but the catalysis was much lower than in the presence of Mn2+. Here, we report a mutant R70V/E166A of Il-MnP1 with some unique properties, which possessed clearly higher catalysis for the decolorization of anthraquinone and azo dyes in the absence of Mn2+ than that of Il-MnP1. Importantly, the optimum pH of R70V/E166A for decolorization of anthraquinone dyes (Reactive Blue 19, RB19) was 6.5, and the mutant achieved high decolorization activities in the range of pH 4.0-7.0, whereas Il-MnP1 only showed decolorization for RB19 at pH 3.5-4.0. In addition, the optimum H2O2 concentration of R70V/E166A for RB19 decolorization was eight times that of Il-MnP1 and the H2O2 stability has improved 1.4 times compared with Il-MnP1. Furthermore, Mn2+ competitively inhibited the oxidation of RB19 by R70V/E166A, explaining the higher catalytic activity of the mutant R70V/E166A in the absence of Mn2+. Molecular docking results suggested that RB19 binds to the distal side of the heme plane in mutant R70V/E166A, which extended from the heme δ-side to the heme γ-side, and close to the mutated residues of R70V and E166A, whereas RB19 could not access the heme pocket of Il-MnP1 due to the steric hindrance of the side-chain group of Arg 70. Thus, this study constructed a useful mutant R70V/E166A and analyzed its higher Mn2+-independent activity, which is very important for better understanding the Mn2+-independent catalytic mechanism for short manganese peroxidases. KEY POINTS: • The mutant R70V/E166A of atypical MnP1 of I. lacteus F17 shows unique catalytic properties. • At pH 6.5, the R70V/E166A had a strong ability to decolorize anthraquinone dyes in the absence of Mn2+. • The binding sites of Reactive Blue 19 in mutant R70V/E166A were elucidated.
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Affiliation(s)
- Junli Wang
- School of Life Science, Anhui University, 111 Jiulong Road, Economic and Technology Development Zone, Hefei, Anhui Province, People's Republic of China, 230601
- Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, Anhui Province, China
| | - Jun Yang
- School of Life Science, Anhui University, 111 Jiulong Road, Economic and Technology Development Zone, Hefei, Anhui Province, People's Republic of China, 230601
- Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, Anhui Province, China
| | - Wenhan Huang
- School of Life Science, Anhui University, 111 Jiulong Road, Economic and Technology Development Zone, Hefei, Anhui Province, People's Republic of China, 230601
- Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, Anhui Province, China
| | - Wenting Huang
- School of Life Science, Anhui University, 111 Jiulong Road, Economic and Technology Development Zone, Hefei, Anhui Province, People's Republic of China, 230601
- Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, Anhui Province, China
| | - Rong Jia
- School of Life Science, Anhui University, 111 Jiulong Road, Economic and Technology Development Zone, Hefei, Anhui Province, People's Republic of China, 230601.
- Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei, Anhui Province, China.
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26
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Hirakawa MP, Rodriguez A, Tran-Gyamfi MB, Light YK, Martinez S, Diamond-Pott H, Simmons BA, Sale KL. Phenothiazines Rapidly Induce Laccase Expression and Lignin-Degrading Properties in the White-Rot Fungus Phlebia radiata. J Fungi (Basel) 2023; 9:jof9030371. [PMID: 36983539 PMCID: PMC10053029 DOI: 10.3390/jof9030371] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/08/2023] [Accepted: 03/15/2023] [Indexed: 03/22/2023] Open
Abstract
Phlebia radiata is a widespread white-rot basidiomycete fungus with significance in diverse biotechnological applications due to its ability to degrade aromatic compounds, xenobiotics, and lignin using an assortment of oxidative enzymes including laccase. In this work, a chemical screen with 480 conditions was conducted to identify chemical inducers of laccase expression in P. radiata. Among the chemicals tested, phenothiazines were observed to induce laccase activity in P. radiata, with promethazine being the strongest laccase inducer of the phenothiazine-derived compounds examined. Secretomes produced by promethazine-treated P. radiata exhibited increased laccase protein abundance, increased enzymatic activity, and an enhanced ability to degrade phenolic model lignin compounds. Transcriptomics analyses revealed that promethazine rapidly induced the expression of genes encoding lignin-degrading enzymes, including laccase and various oxidoreductases, showing that the increased laccase activity was due to increased laccase gene expression. Finally, the generality of promethazine as an inducer of laccases in fungi was demonstrated by showing that promethazine treatment also increased laccase activity in other relevant fungal species with known lignin conversion capabilities including Trametes versicolor and Pleurotus ostreatus.
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Affiliation(s)
- Matthew P. Hirakawa
- Systems Biology Department, Sandia National Laboratories, Livermore, CA 94550, USA
- Correspondence: (M.P.H.); (K.L.S.)
| | - Alberto Rodriguez
- Biomaterials and Biomanufacturing Department, Sandia National Laboratories, Livermore, CA 94550, USA
| | - Mary B. Tran-Gyamfi
- Bioresource and Environmental Security Department, Sandia National Laboratories, Livermore, CA 94550, USA
| | - Yooli K. Light
- Systems Biology Department, Sandia National Laboratories, Livermore, CA 94550, USA
| | - Salvador Martinez
- Systems Biology Department, Sandia National Laboratories, Livermore, CA 94550, USA
| | - Henry Diamond-Pott
- Bioresource and Environmental Security Department, Sandia National Laboratories, Livermore, CA 94550, USA
| | - Blake A. Simmons
- Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
- Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA 94608, USA
| | - Kenneth L. Sale
- Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA 94608, USA
- Computational Biology and Biophysics Department, Sandia National Laboratories, Livermore, CA 94550, USA
- Correspondence: (M.P.H.); (K.L.S.)
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27
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Achieving Optimal Paper Properties: A Layered Multiscale kMC and LSTM-ANN-Based Control Approach for Kraft Pulping. Processes (Basel) 2023. [DOI: 10.3390/pr11030809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
Abstract
The growing demand for various types of paper highlights the importance of optimizing the kraft pulping process to achieve desired paper properties. This work proposes a novel multiscale model to optimize the kraft pulping process and obtain desired paper properties. The model combines mass and energy balance equations with a layered kinetic Monte Carlo (kMC) algorithm to predict the degradation of wood chips, the depolymerization of cellulose, and the spatio-temporal evolution of the Kappa number and cellulose degree of polymerization (DP). A surrogate LSTM-ANN model is trained on data generated from the multiscale model under different operating conditions, dealing with both time-varying and time-invariant inputs, and an LSTM-ANN-based model predictive controller is designed to achieve desired set-point values of the Kappa number and cellulose DP while considering process constraints. The results show that the LSTM-ANN-based controller is able to drive the process to desired set-point values with the use of a computationally faster surrogate model with high accuracy and low offset.
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28
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Bioconversion of a Lignocellulosic Hydrolysate to Single Cell Oil for Biofuel Production in a Cost-Efficient Fermentation Process. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9020189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Cutaneotrichosporon oleaginosus is a highly efficient single cell oil producer, which in addition to hexoses and pentoses can metabolize organic acids. In this study, fed-batch cultivation with consumption-based acetic acid feeding was further developed to integrate the transformation of an industrial paper mill lignocellulosic hydrolysate (LCH) into yeast oil. Employing pentose-rich LCH as a carbon source instead of glucose significantly improved both biomass formation and lipid titer, reaching 55.73 ± 5.20 g/L and 42.1 ± 1.7 g/L (75.5% lipid per biomass), respectively. This hybrid approach of using acetic acid and LCH in one process was further optimized to increase the share of bioavailable carbon from LCH using a combination of consumption-based and continuous feeding. Finally, the techno-economic analysis revealed a 26% cost reduction when using LCH instead of commercial glucose. In summary, we developed a process leading to a holistic approach to valorizing a pentose-rich industrial waste by converting it into oleochemicals.
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29
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Li M, Mu J, Liu Y, Wang H, Wang Y, Song H. Removal of phenol by lignin-based activated carbon as an efficient adsorbent for adsorption of phenolic wastewater. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-023-04958-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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30
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Singh AK, Bilal M, Jesionowski T, Iqbal HMN. Assessing chemical hazard and unraveling binding affinity of priority pollutants to lignin modifying enzymes for environmental remediation. CHEMOSPHERE 2023; 313:137546. [PMID: 36529171 DOI: 10.1016/j.chemosphere.2022.137546] [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: 10/08/2022] [Revised: 11/23/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Lignin-modifying enzymes (LMEs) are impactful biocatalysts in environmental remediation applications. However, LMEs-assisted experimental degradation neglects the molecular basis of pollutant degradation. Furthermore, throughout the remediation process, the inherent hazards of environmental pollutants remain untapped for in-depth toxicological endpoints. In this investigation, a predictive toxicological framework and a computational framework adopting LMEs were employed to assess the hazards of Priority Pollutants (PP) and its possible LMEs-assisted catalytic screening. The potential hazardous outcomes of PP were assessed using Quantitative structure-activity relationship (QSARs)-based techniques including Toxtree, ECOSAR, and T.E.S.T. tools. Toxicological findings revealed positive outcomes in a multitude of endpoints for all PP. The PP compound 2,3,7,8-TCDD (dioxin) was found to exhibit the lowest concentration of aquatic toxicity implementing aquatic model systems; LC50 as 0.01, 0.01, 0.04 (mg L-1) for Fish (96 H), Daphnid (48 H), Green algae (96 H) respectively. T.E.S.T. results revealed that chloroform, and 2-chlorophenol both seem to be developmental toxicants. Subsequently, LMEs-assisted docking procedure was employed in predictive mitigation of PP. The docking approach as predicted degradation revealed the far lowest docking energy score for Versatile peroxidase (VP)- 2,3,7,8-TCDD docked complex with a binding energy of -9.2 (kcal mol-1), involved PHE-46, PRO-139, PRO-141, ILE-148, LEU-165, HIS-169, LEU-228, MET-262, and MET-265 as key interacting amino acid residues. Second most ranked but lesser than VP, Lignin peroxidase (LiP)- 2,3,7,8-TCDD docked complex exhibited a rather lower binding affinity score (-8.8 kcal mol-1). Predictive degradation screening employing comparative docking revealed varying binding affinities, portraying that each LMEs member has independent feasibility to bind PP as substrate. Predictive findings endorsed the hazardous nature of associated PP in a multitude of endpoints, which could be attenuated by undertaking LMEs as a predictive approach to protect the environment and implement it in regulatory considerations.
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Affiliation(s)
- Anil Kumar Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland.
| | - Teofil Jesionowski
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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31
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Rafeeq H, Afsheen N, Rafique S, Arshad A, Intisar M, Hussain A, Bilal M, Iqbal HMN. Genetically engineered microorganisms for environmental remediation. CHEMOSPHERE 2023; 310:136751. [PMID: 36209847 DOI: 10.1016/j.chemosphere.2022.136751] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 09/12/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
In the recent era, the increasing persistence of hazardous contaminants is badly affecting the globe in many ways. Due to high environmental contamination, almost every second species on earth facing the worst issue in their survival. Advances in newer remediation approaches may help enhance bioremediation's quality, while conventional procedures have failed to remove hazardous compounds from the environment. Chemical and physical waste cleanup approaches have been used in current circumstances; however, these methods are costly and harmful to the environment. Thus, there has been a rise in the use of bioremediation due to an increase in environmental contamination, which led to the development of genetically engineered microbes (GEMs). It is safer and more cost-effective to use engineered microorganisms rather than alternative methods. GEMs are created by introducing a stronger protein into bacteria through biotechnology or genetic engineering to enhance the desired trait. Biodegradation of oil spills, halobenzoates naphthalenes, toluenes, trichloroethylene, octanes, xylenes etc. has been accomplished using GEMs such bacteria, fungus, and algae. Biotechnologically induced microorganisms are more powerful than naturally occurring ones and may degrade contaminants faster because they can quickly adapt to new pollutants they encounter or co-metabolize. Genetic engineering is a worthy process that will benefit the environment and ultimately the health of our people.
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Affiliation(s)
- Hamza Rafeeq
- Department of Biochemistry, Riphah International University, Faisalabad Campus, Faisalabad, 38000, Pakistan
| | - Nadia Afsheen
- Department of Biochemistry, Riphah International University, Faisalabad Campus, Faisalabad, 38000, Pakistan
| | - Sadia Rafique
- Departement of Pharmacy, Riphah International University, Faisalabad Campus, Faisalabad, 38000, Pakistan
| | - Arooj Arshad
- Department of Biochemistry, University of Agriculture Faisalabad, 38000, Pakistan
| | - Maham Intisar
- Department of Biochemistry, University of Agriculture Faisalabad, 38000, Pakistan
| | - Asim Hussain
- Department of Biochemistry, University of Agriculture Faisalabad, 38000, Pakistan
| | - Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60695 Poznan, Poland.
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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32
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Giraldi V, Focarete ML, Giacomini D. Laccase-Carrying Polylactic Acid Electrospun Fibers, Advantages and Limitations in Bio-Oxidation of Amines and Alcohols. J Funct Biomater 2022; 14:jfb14010025. [PMID: 36662071 PMCID: PMC9866953 DOI: 10.3390/jfb14010025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/16/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
Laccases are oxidative enzymes that could be good candidates for the functionalization of biopolymers with several applications as biosensors for the determination of bioactive amine and alcohols, for bioremediation of industrial wastewater, and for greener catalysts in oxidation reactions in organic synthesis, especially used for non-phenolic compounds in combination with redox mediators in the so-called Laccase Mediator System (LMS). In this work, we describe the immobilization of Laccase from Trametes versicolor (LTv) in poly-L-lactic acid (PLLA) nanofibers and its application in LMS oxidation reactions. The PLLA-LTv catalysts were successfully produced by electrospinning of a water-in-oil emulsion with an optimized method. Different enzyme loadings (1.6, 3.2, and 5.1% w/w) were explored, and the obtained mats were thoroughly characterized. The actual amount of the enzyme in the fibers and the eventual enzyme leaching in different solvents were evaluated. Finally, the PLLA-LTv mats were successfully applied as such in the oxidation reaction of catechol, and in the LMS method with TEMPO as mediator in the oxidation of amines with the advantage of easier work-up procedures by the immobilized enzyme. However, the PLLA-LTv failed the oxidation of alcohols with respect to the free enzyme. A tentative explanation was provided.
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Affiliation(s)
- Valentina Giraldi
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Maria Letizia Focarete
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
- Health Sciences & Technologies (HST) CIRI, University of Bologna, Via Tolara di Sopra 41/E, 40064 Ozzano dell’Emilia, Italy
- Correspondence: (M.L.F.); (D.G.)
| | - Daria Giacomini
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, Via Selmi 2, 40126 Bologna, Italy
- Health Sciences & Technologies (HST) CIRI, University of Bologna, Via Tolara di Sopra 41/E, 40064 Ozzano dell’Emilia, Italy
- Correspondence: (M.L.F.); (D.G.)
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Puspita K, Chiari W, Abdulmadjid SN, Idroes R, Iqhrammullah M. Four Decades of Laccase Research for Wastewater Treatment: Insights from Bibliometric Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:308. [PMID: 36612634 PMCID: PMC9819511 DOI: 10.3390/ijerph20010308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Increasing trends of environmental pollution and emerging contaminants from anthropogenic activities have urged researchers to develop innovative strategies in wastewater management, including those using the biocatalyst laccase (EC 1.10.3.2). Laccase works effectively against a variety of substrates ranging from phenolic to non-phenolic compounds which only require molecular oxygen to be later reduced to H2O as the final product. In this study, we performed a bibliometric analysis on the metadata of literature acquired through the Scopus database (24 October 2022) with keyword combination "Laccase" AND "Pollutant" OR "Wastewater". The included publications were filtered based on year of publication (1978-2022), types of articles (original research articles and review articles) and language (English). The metadata was then exported in a CSV (.csv) file and visualized on VosViewer software. A total of 1865 publications were identified, 90.9% of which were original research articles and the remaining 9.1% were review articles. Most of the authors were from China (n = 416; 22.3%) and India (n = 276; 14.79%). In the case of subject area, 'Environmental Science' emerged with the highest published documents (n = 1053; 56.46%). The identified papers mostly cover laccase activity in degrading pollutants, and chitosan, which can be exploited for the immobilization. We encourage more research on laccase-assisted wastewater treatment, especially in terms of collaborations among organizations.
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Affiliation(s)
- Kana Puspita
- Department of Chemistry Education, Faculty of Education and Teacher Training, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Williams Chiari
- Department of Mathematics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Innovative Sustainability Lab, PT. Biham Riset dan Edukasi, Banda Aceh 23243, Indonesia
| | - Syahrun N. Abdulmadjid
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Rinaldi Idroes
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
| | - Muhammad Iqhrammullah
- Innovative Sustainability Lab, PT. Biham Riset dan Edukasi, Banda Aceh 23243, Indonesia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
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Ultrafiltration-based diafiltration for post-delignification fractionation of lignin from a deep eutectic solvent comprised of lactic acid and choline chloride. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Gan J, Ashraf SS, Bilal M, Iqbal HMN. Biodegradation of environmental pollutants using catalase-based biocatalytic systems. ENVIRONMENTAL RESEARCH 2022; 214:113914. [PMID: 35932834 DOI: 10.1016/j.envres.2022.113914] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 07/08/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
The synergistic combination of biocatalysts and nanomaterials provides a new interface of a robust biocatalytic system that can effectively remediate environmental pollutants. Enzymes, such as catalase-based constructs, impart the desired candidature for catalytic transformation processes and are potential alternatives to replace conventional remediation strategies that have become laborious and somewhat inefficient. Furthermore, the controlled or uncontrolled discharge of various emerging pollutants (EPs) into water bodies is equally proportional to the fast-growing population and extensive urbanization. EPs affect the entire living being and continuously deteriorate the environmental system, directly or indirectly. The occurrence of EPs (even released after partial treatments, but still in bioactive forms) disturbs ecological integrity. Due to the ineffectiveness of in-practice traditional remediation processes, new and robust treatment measures as effective and sustainable remediation have become a meaningful goal. In this context, special attention has been shifted to engineering an enzyme (catalase)-based biodegradation system with immense prospects in environmental cleanup. The unique synergistic combination of nanomaterials (having multifunctional attributes) with enzymes of interest makes them a state-of-the-art interface that can further ameliorate bio-catalysis and biodegradation performance. This review covers current research and scientific advancement in developing and deploying catalase-based biocatalytic systems to mitigate several EPs from the environment matrices. The biocatalytic features of catalase, along with the mechanistic insight into H2O2 neutralization, several nano-based materials loaded with catalase, including nanoparticles (NPs), carbon nanotubes (CNTs), metal-organic frameworks (MOFs), polymeric-based composites, oxime-functionalized cryo-gel disks, electro-spun nanofibrous membranes, and other hybrid materials have also been discussed with suitable examples.
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Affiliation(s)
- JianSong Gan
- School of Food and Drug, Jiangsu Vocational College of Finance & Economics, Huaian, 223003, China.
| | - Syed Salman Ashraf
- Department of Biology, College of Arts and Sciences, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Biotechnology (BTC), Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Catalysis and Separation (CeCas), Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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Gan J, Bilal M, Li X, Hussain Shah SZ, Mohamed BA, Hadibarata T, Cheng H. Peroxidases-based enticing biotechnological platforms for biodegradation and biotransformation of emerging contaminants. CHEMOSPHERE 2022; 307:136035. [PMID: 35973503 DOI: 10.1016/j.chemosphere.2022.136035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 07/27/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Rampant industrial boom, urbanization, and exponential population growth resulted in widespread environmental pollution, with water being one of the leading affected resources. All kinds of pollutants, including phenols, industrial dyes, antibiotics, pharmaceutically active residues, and persistent/volatile organic compounds, have a paramount effect, either directly or indirectly, on human health and aquatic entities. Strategies for affordable and efficient decontamination of these emerging pollutants have become the prime focus of academic researchers, industry, and government to constitute a sustainable human society. Classical treatment techniques for environmental contaminants are associated with several limitations, such as inefficiency, complex pretreatments, overall high process cost, high sludge generation, and highly toxic side-products formation. Enzymatic remediation is considered a green and ecologically friendlier method that holds considerable potential to mitigate any kinds of contaminating agents. Exploiting the potential of various peroxidases for pollution abatement is an emerging research area and has considerable advantages, such as efficiency and ease of handling, over other methods. This work is designed to provide recent progress in deploying peroxidases as green and versatile biocatalytic tools for the degradation and transformation of a spectrum of potentially hazardous environmental pollutants to broaden their scope for biotechnological and environmental purposes. More studies are required to explicate the degradation mechanisms, assess the toxicology levels of bio-transformed metabolites, and standardize the treatment strategies for economic viability.
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Affiliation(s)
- JianSong Gan
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, 221094, China; School of Food and Drug, Jiangsu Vocational College of Finance & Economics, Huaian, 223003, China.
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - XiaoBing Li
- School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, 221094, China.
| | | | - Badr A Mohamed
- Department of Agricultural Engineering, Cairo University, El-Gamma Street, Giza, Egypt
| | - Tony Hadibarata
- Environmental Engineering Program, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, Miri, 98009, Malaysia
| | - Hairong Cheng
- Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
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Comparison of the activation efficiency of peroxymonosulfate on carbon nanotubes modified by carbon nitride vs nitrogen-doping for nonradical degradation of p-hydroxybenzoic acid. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Dabrowska M, Retka J, Uhrynowski W, Drewniak L. Use of lignocellulosic waste materials in the passive treatment of highly alkaline wastewater contaminated with sulfates and metals - From a laboratory study to pilot scale. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 321:115967. [PMID: 35969973 DOI: 10.1016/j.jenvman.2022.115967] [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: 04/24/2022] [Revised: 07/10/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Passive wastewater treatment systems are an alternative to costly and ineffective chemical wastewater treatment methods. Lignocellulosic waste materials (LWM) are often used in passive wastewater treatment systems as a cheap and accessible source of nutrients. LWM, such as spent mushroom compost and woodchips, have been implemented for the successful management of mildly alkaline effluents, which constitute a large fraction of industrial wastewater. The objective of the study was to provide an extensive study of the parameters in four types of commonly used LWM (raw and composted sawdust, spent mushroom compost and woodchips), which can be used in the planning of a passive wastewater treatment plant. LWM were shown to remove up to 90% Zn2+ and Pb2+ from a model solution and neutralize wastewater. Moreover, the LWM were inhabited by a physiologically diverse microbial consortium containing sulfate-reducing and cellulolytic microbes, which can influence the treatment process. Another purpose of this study was to construct a pilot wastewater treatment plant based on the use of LWM and gravel and to present its ability to effectively treat extremely alkaline flotation wastewater (pH = 12) originating from a lead and zinc mine located in Montenegro. The treated wastewater had a unique, but challenging chemical composition for passive treatment, as it was heavily contaminated with sulfates (∼1200 mg/L) and lead (∼1 g/L). The removal within the developed installation reached a rate of 66%, while the treated effluent, after initial neutralization, was maintained at a pH of approximately 7. Lead and zinc concentrations after treatment were also kept at levels required by Montenegrin law for wastewater disposal.
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Affiliation(s)
- Maria Dabrowska
- Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland
| | - Jacek Retka
- Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland; RDLS Ltd., Miecznikowa 1, 02-096 Warsaw, Poland; Polish Geological Institute - National Research Institute, Rakowiecka 4, 00-975, Warsaw, Poland
| | - Witold Uhrynowski
- Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland; RDLS Ltd., Miecznikowa 1, 02-096 Warsaw, Poland; Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-096, Warsaw, Poland
| | - Lukasz Drewniak
- Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warsaw, Poland.
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P B, JO U, Moropeng RC, Momba MNB. Novel bio-catalytic degradation of endocrine disrupting compounds in wastewater. Front Bioeng Biotechnol 2022; 10:996566. [DOI: 10.3389/fbioe.2022.996566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Against the backdrop of towering ecological health implications of estrogen pollution and the inefficacies associated with cost-intensive treatment techniques, this study recorded the earliest attempt of developing an inexpensive bacterial laccase-based biocatalysts for biodegradation of EDCs (Endocrine disrupting compounds), particularly estrogens. First, a central composite design was used to investigate the interactive effects of pH (6.0–8.0), inoculum size (100–500 U/mL), and copper (Cu) (25–75 mg/L) on laccase activity and estrogen degradation respectively. Thereafter, biocatalysts was synthesized comprising laccase and glass beads or silver impregnated clay granules (SICG), which was further used to treat estrogen infused aquatic matrices under different reaction conditions. Maximum laccase activities and estrogen removal for the two tested laccases were 620 U/mL (85.8–92.9%) and 689.8 U/mL (86.8–94.6%) for Lysinibacillus sp. BP1 and Lysinibacillus sp. BP2, respectively, within 72 h, under conditions of optimal inoculum size and/or Cu concentration. Apart from a higher estrogen removal rate compared to free laccased, the biocatalysts were more resistant to temperature, pH and other environmental perturbations, and had enhanced storage ability and reusability. In comparison to clay, beads had a higher potential for recyclability and were more stable under certain experimental factors such as pH, reuse, and temperature, as well as storage conditions. Immobilized enzymes were able to remove 100% of E2, as well as over 90% of E1 and EE2, in 24 h, indicating that they could be scaled up to benchtop bioreactor levels.
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Bautista‐Guerrero A, Lara‐Diaz RA, Pihen V, Bandala ER, Sanchez‐Sala JL. Isolation and test of novel yeast strains with lignin usage capability and phenolic compound resistance. Microbiologyopen 2022; 11:e1326. [PMID: 36314751 PMCID: PMC9562823 DOI: 10.1002/mbo3.1326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/01/2022] [Indexed: 11/06/2022] Open
Abstract
Five yeast fungi strains (i.e., two Cryptococcus albidus, one Candida guillermondii, and two Candida tropicalis) were isolated from sugarcane and tested for their use of lignin as sole carbon source and their potential to grow in the presence of phenol and phenol derivatives (i.e., pentachlorophenol and p‐nitrophenol). The full set of isolated yeasts showed ligninolytic activity, achieving at least 36% lignin degradation after 25 days. The C. albidus JS‐B1 strain had the highest ligninolytic activity, achieving 27% lignin degradation within 4 days. This increased activity was associated with the production of ligninolytic laccase enzymes. All the tested yeast fungi strains showed growth in the presence of high concentrations of phenolic compounds (i.e., 900 mg/L phenol, 200 mg/L p‐nitrophenol, 50 mg/L pentachlorophenol) and showed significant potential for lignin and lignin by‐product degradation. Each of these five strains has the potential to be used in biological treatment processes for contaminated effluents from paper pulping and bleaching or phenol and phenol‐derivative biodegradation processes for other industrial wastewater effluents.
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Affiliation(s)
- Anaid Bautista‐Guerrero
- Department of Civil and Environmental Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Rene A. Lara‐Diaz
- Department of Chemistry and Food Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Valérie Pihen
- Department of Civil and Environmental Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Erick R. Bandala
- Division of Hydrologic SciencesDesert Research InstituteLas VegasNevadaUSA
| | - Jose Luis Sanchez‐Sala
- Department of Chemistry and Biological Sciences, Sciences SchoolUniversidad de las Americas PueblaPueblaMexico
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Antony S, Antony S, Rebello S, George S, Biju DT, R R, Madhavan A, Binod P, Pandey A, Sindhu R, Awasthi MK. Bioremediation of Endocrine Disrupting Chemicals- Advancements and Challenges. ENVIRONMENTAL RESEARCH 2022; 213:113509. [PMID: 35660566 DOI: 10.1016/j.envres.2022.113509] [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: 02/19/2022] [Revised: 05/08/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
Endocrine Disrupting Chemicals (EDCs), major group of recalcitrant compounds, poses a serious threat to the health and future of millions of human beings, and other flora and fauna for years to come. A close analysis of various xenobiotics undermines the fact that EDC is structurally diverse chemical compounds generated as a part of anthropogenic advancements as well as part of their degradation. Regardless of such structural diversity, EDC is common in their ultimate drastic effect of impeding the proper functioning of the endocrinal system, basic physiologic systems, resulting in deregulated growth, malformations, and cancerous outcomes in animals as well as humans. The current review outlines an overview of various EDCs, their toxic effects on the ecosystem and its inhabitants. Conventional remediation methods such as physico-chemical methods and enzymatic approaches have been put into action as some form of mitigation measures. However, the last decade has seen the hunt for newer technologies and methodologies at an accelerated pace. Genetically engineered microbial degradation, gene editing strategies, metabolic and protein engineering, and in-silico predictive approaches - modern day's additions to our armamentarium in combating the EDCs are addressed. These additions have greater acceptance socially with lesser dissonance owing to reduced toxic by-products, lower health trepidations, better degradation, and ultimately the prevention of bioaccumulation. The positive impact of such new approaches on controlling the menace of EDCs has been outlaid. This review will shed light on sources of EDCs, their impact, significance, and the different remediation and bioremediation approaches, with a special emphasis on the recent trends and perspectives in using sustainable approaches for bioremediation of EDCs. Strict regulations to prevent the release of estrogenic chemicals to the ecosystem, adoption of combinatorial methods to remove EDC and prevalent use of bioremediation techniques should be followed in all future endeavors to combat EDC pollution. Moreover, the proper development, growth and functioning of future living forms relies on their non-exposure to EDCs, thus remediation of such chemicals present even in nano-concentrations should be addressed gravely.
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Affiliation(s)
- Sherly Antony
- Department of Microbiology, Pushpagiri Institute of Medical Sciences and Research Centre, Thiruvalla, 689 101, Kerala, India
| | - Sham Antony
- Pushpagiri Research Centre, Pushpagiri Institute of Medical Sciences and Research Centre, Thriuvalla, 689 101, Kerala, India
| | - Sharrel Rebello
- School of Food Science & Technology, Mahatma Gandhi University, Kottayam, India
| | - Sandhra George
- Pushpagiri Research Centre, Pushpagiri Institute of Medical Sciences and Research Centre, Thriuvalla, 689 101, Kerala, India
| | - Devika T Biju
- Pushpagiri Research Centre, Pushpagiri Institute of Medical Sciences and Research Centre, Thriuvalla, 689 101, Kerala, India
| | - Reshmy R
- Department of Science and Humanities, Providence College of Engineering, Chengannur, 689 122, Kerala, India
| | - Aravind Madhavan
- Rajiv Gandhi Centre for Biotechnology, Jagathy, Trivandrum, 695 014, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695 019, Kerala, India
| | - Ashok Pandey
- Center for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India; Centre for Energy and Environmental Sustainability, Lucknow, 226 029, Uttar Pradesh, India
| | - Raveendran Sindhu
- Department of Food Technology, T K M Institute of Technology, Kollam, 691 505, Kerala, India.
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.
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Lee SM, Cho DH, Jung HJ, Kim B, Kim SH, Bhatia SK, Gurav R, Jeon JM, Yoon JJ, Park JH, Park JH, Kim YG, Yang YH. Enhanced tolerance of Cupriavidus necator NCIMB 11599 to lignocellulosic derived inhibitors by inserting NAD salvage pathway genes. Bioprocess Biosyst Eng 2022; 45:1719-1729. [PMID: 36121506 DOI: 10.1007/s00449-022-02779-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 08/24/2022] [Indexed: 11/25/2022]
Abstract
Polyhydroxybutyrate (PHB) is a bio-based, biodegradable and biocompatible plastic that has the potential to replace petroleum-based plastics. Lignocellulosic biomass is a promising feedstock for industrial fermentation to produce bioproducts such as polyhydroxybutyrate (PHB). However, the pretreatment processes of lignocellulosic biomass lead to the generation of toxic byproducts, such as furfural, 5-HMF, vanillin, and acetate, which affect microbial growth and productivity. In this study, to reduce furfural toxicity during PHB production from lignocellulosic hydrolysates, we genetically engineered Cupriavidus necator NCIMB 11599, by inserting the nicotine amide salvage pathway genes pncB and nadE to increase the NAD(P)H pool. We found that the expression of pncB was the most effective in improving tolerance to inhibitors, cell growth, PHB production and sugar consumption rate. In addition, the engineered strain harboring pncB showed higher PHB production using lignocellulosic hydrolysates than the wild-type strain. Therefore, the application of NAD salvage pathway genes improves the tolerance of Cupriavidus necator to lignocellulosic-derived inhibitors and should be used to optimize PHB production.
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Affiliation(s)
- Sun Mi Lee
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Do-Hyun Cho
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Hee Ju Jung
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Byungchan Kim
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Su Hyun Kim
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Ranjit Gurav
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea
| | - Jong-Min Jeon
- Green & Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan-si, Republic of Korea
| | - Jeong-Jun Yoon
- Green & Sustainable Materials R&D Department, Korea Institute of Industrial Technology (KITECH), Cheonan-si, Republic of Korea
| | - Jeong-Hoon Park
- Sustainable Technology and Wellness R&D Group, Korea Institute of Industrial Technology (KITECH), Jeju-si, Republic of Korea
| | - Jung-Ho Park
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Yun-Gon Kim
- Department of Chemical Engineering, Soongsil University, Seoul, Republic of Korea
| | - Yung-Hun Yang
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul, Republic of Korea.
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Sai Preethi P, Hariharan NM, Vickram S, Rameshpathy M, Manikandan S, Subbaiya R, Karmegam N, Yadav V, Ravindran B, Chang SW, Kumar Awasthi M. Advances in bioremediation of emerging contaminants from industrial wastewater by oxidoreductase enzymes. BIORESOURCE TECHNOLOGY 2022; 359:127444. [PMID: 35691504 DOI: 10.1016/j.biortech.2022.127444] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
The bioremediation of emerging recalcitrant pollutants in wastewater via enzyme biotechnology has been evolving as cost-effective with an input of low-energy technological approach. However, the enzyme based bioremediation technology is still not fully developed at a commercial level. The oxidoreductases being the domineering biocatalysts are promising candidates for wastewater treatments. Henceforth, comprehending their global market and biotransformation efficacy is mandatory for establishing these techno-economic bio-enzymes in commercial scale. The biocatalytic strategy can be established as a combinatorial approach with existing treatment technology to achieve towering bioremediation and effective removal of emerging pollutants from wastewater. This review provides a novel insight on the toxicological xenobiotics released from industries such as paper and pulps, soap and detergents, pharmaceuticals, textiles, pesticides, explosives and aptitude of peroxidases, nitroreductase and cellobiose dehydrogenase in their bio-based treatment. Moreover, the review comprehensively covers environmental relevance of wastewater pollution and the critical challenges based on remediation achieved through biocatalysts for future prospectives.
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Affiliation(s)
- P Sai Preethi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3# Shaanxi, Yangling 712100, China; Department of Biotechnology, Sree Sastha Institute of Engineering and Technology, Chembarambakkam - 600 123, Tamil Nadu, India
| | - N M Hariharan
- Department of Biotechnology, Sree Sastha Institute of Engineering and Technology, Chembarambakkam - 600 123, Tamil Nadu, India
| | - Sundaram Vickram
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai - 602 105, Tamil Nadu, India
| | - M Rameshpathy
- School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore - 632 014, Tamil Nadu, India
| | - S Manikandan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai - 602 105, Tamil Nadu, India
| | - R Subbaiya
- Department of Biological Sciences, School of Mathematics and Natural Sciences, The Copperbelt University, Riverside, Jambo Drive, P O Box 21692, Kitwe, Zambia
| | - N Karmegam
- Department of Botany, Government Arts College (Autonomous), Salem 636 007, Tamil Nadu, India
| | - Vivek Yadav
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A & F University, Yangling 712100, China
| | - Balasubramani Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-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 602 105, Tamil Nadu, India
| | - S W Chang
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-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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Saikia S, Yadav M, Hoque RA, Yadav HS. Bioremediation mediated by manganese peroxidase – An overview. BIOCATAL BIOTRANSFOR 2022. [DOI: 10.1080/10242422.2022.2113517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Shilpa Saikia
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
| | - Meera Yadav
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
| | - Rohida Amin Hoque
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
| | - Hardeo Singh Yadav
- Department of Chemistry, North Eastern Regional Institute of Science and Technology, Itanagar, India
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Cen Q, Wu X, Cao L, Lu Y, Lu X, Chen J, Fu G, Liu Y, Ruan R. Green production of a yellow laccase by Coriolopsis gallica for phenolic pollutants removal. AMB Express 2022; 12:96. [PMID: 35841420 PMCID: PMC9288578 DOI: 10.1186/s13568-022-01434-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 07/05/2022] [Indexed: 11/12/2022] Open
Abstract
As a group of green biocatalysts, fungal laccases have aroused great interest in diverse biotechnological fields. Therein, yellow laccase has advantages over blue laccase in catalytic performance, but it is not common in the reported fungal laccases. Here, we report a yellow laccase from white-rot fungus Coriolopsis gallica NCULAC F1 about its production, purification, characterization, and application. Laccase production in the co-fermentation of pomelo peel and wheat bran reached the enzyme activity by 10,690 U/L after 5 days with a 13.58-time increase. After three steps of purification, laccase increased the specific activity from 30.78 to 188.79 U/mg protein with an activity recovery of 45.64%. The purified C. gallica laccase (CGLac) showed a molecular mass of about 57 kDa. CGLac had a yellow color and no absorption peaks at 610 nm and 330 nm, suggesting that it’s a yellow laccase. CGLac exhibited stability towards temperature (40–60 °C) and neutral pH (6.0–8.0). Fe3+ and Mn2+ strongly stimulated CGLac activity by 162.56% and 226.05%, respectively. CGLac remained high activities when exposed to organic reagents and putative inhibitors. Additionally, CGLac contributed to 90.78%, 93.26%, and 99.66% removal of phenol, p-chlorophenol and bisphenol A after 120 min, respectively. In conclusion, a green efficient production strategy was introduced for fungal laccase, and the obtained CGLac presented great enzymatic properties and catalytic potential in the removal of phenolic pollutants. Pomelo peels and wheat bran are great nutritional sources and laccase inducers. CGLac showed the spectral characteristic of yellow laccase. CGLac had great stability and catalytic ability for phenolic pollutants removal.
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Affiliation(s)
- Qingjing Cen
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Xiaodan Wu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China. .,International Institute of Food Innovation, Nanchang University, Nanchang, 330047, Jiangxi, China.
| | - Leipeng Cao
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Yanjuan Lu
- Beijing Fairyland Environmental Technology CO., LTD, Beijing, 100096, China
| | - Xuan Lu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Jianwen Chen
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Guiming Fu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China.,International Institute of Food Innovation, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Yuhuan Liu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion of Ministry of Education, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Roger Ruan
- Department of Bioproducts and Biosystems Engineering, Center for Biorefining, University of Minnesota, St. Paul, MN, 55108, USA
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Singh AK, Bilal M, Barceló D, Iqbal HMN. A predictive toolset for the identification of degradation pattern and toxic hazard estimation of multimeric hazardous compounds persists in water bodies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 824:153979. [PMID: 35181354 DOI: 10.1016/j.scitotenv.2022.153979] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 02/08/2023]
Abstract
An array of industrial processing units generates many multimeric hazardous compounds, such as complex technical lignin and its toxic derivatives, thereby persist in expelled water bodies. The inclusion of some group of motifs in the complex technical lignin structure helps it resist degrade biologically, most often even recalcitrant. Relatively small concentrations of lignin are harmful to aquatic organisms and can trigger environmental hazards. Sadly, the entire biotransformation pathway and insightful information about these toxic derivatives are incomplete and missing in the literature. This is mainly because the current conventional treatments often fail to identify all transformed compounds and their environmental fate. Thus, a robust toolset is much needed to cover this literature gap. Inadequate performance of conventional remediation processes and biological degradation patterns can be maximally optimized with the aid of predictive toolset methods that could offer better degradability and complete transformed compound information. A predictive toolset-assisted biodegradation pattern determination is a multifaceted and reliable analytical technique that can help to overcome existing shortcomings by providing an entire transformation pathway. Considering the above critiques, this work reports on the degradation pattern, and toxicological endpoints of five hazardous compounds, i.e., 2-chlorosyringaldehyde, 5-chlorovanillin, catechol, guaiacyl 4-O-5 guaiacyl, and syringyl β-O-4 syringyl β-O-4 sinapyl alcohol, that persists in water matrices. The predictive transformation pattern was revealed notably less complex end-products of catechol as; succinate, and 2-Oxo-4-pentenoate. The gastrointestinal (GI) absorption rate was found high for all tested compounds, excluding trimer compound, i.e., syringyl β-O-4 syringyl β-O-4 sinapyl alcohol. The toxicity and persistence profile tested via Toxtree showed that the Cramer Rules, Verhaar Scheme, and Structural Alerts for Reactivity, (START) biodegradation ability as positive, and all five target compounds were found as class-II persistent compounds. Furthermore, the Ecological Structure-Activity Relationships (ECOSAR)assisted testing specifies that all tested derivatives have multiple aquatic toxic levels. In summary, the current findings endorse the hazardous compounds and undertake prescreening of the deprivation policy to protect the environment.
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Affiliation(s)
- Anil Kumar Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18-26, 08034 Barcelona, Spain; Catalan Institute of Water Research (ICRA-CERCA), Parc Científic i Tecnològic de la Universitat de Girona, c/Emili Grahit, 101, Edifici H2O, 17003 Girona, Spain; Sustainability Cluster, School of Engineering, UPES, Dehradun, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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Ding Y, Cui K, Liu X, Xie Q, Guo Z, Chen Y. Lignin peroxidase-catalyzed direct oxidation of trace organic pollutants through a long-range electron transfer mechanism: Using propranolol as an example. JOURNAL OF HAZARDOUS MATERIALS 2022; 431:128544. [PMID: 35228075 DOI: 10.1016/j.jhazmat.2022.128544] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/05/2022] [Accepted: 02/20/2022] [Indexed: 06/14/2023]
Abstract
In this work, lignin peroxidase (LiP) was extracted for the in vitro degradation of a persistent compound (propranolol, PPN). The results showed that 94.2% of PPN was degraded at 30 U L-1 LiP activity and 10 mg L-1 PPN. The PPN degradation rate increased from 33.5% to 94.2% when the veratryl alcohol (VA) concentration varied from 0 to 180 µM, but decreased to 73.1% with further VA addition. This phenomenon confirmed that VA was indispensable, however, it also acted as a competitive inhibitor of PPN oxidation. Computational analysis revealed that the Trp171…iron porphyrin (TRP-FeP) path was responsible for specific substrate (e.g., VA) transformation, and another long-range electron transfer (LRET) path through His-Asp…FeP (HSP-FeP) was discovered for non-specific substrate (e.g., PPN) degradation. These two electron-transfer routes shared one catalytic center, and VA protected the enzyme from H2O2-dependent inactivation. The HSP-FeP path transformed PPN through single electron transfer or H abstraction mechanisms. In addition, hydroxyl radicals generated in the LiP/H2O2 system were involved in the hydroxylation of the PPN intermediates. Possible degradation pathways were deduced using these degradation mechanisms and mass-spectrometry analysis. The multipath degradation mechanism endowed LiP with a remarkable capacity for removing various recalcitrant pollutants in environmental remediation.
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Affiliation(s)
- Yan Ding
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China
| | - Kangping Cui
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China.
| | - Xueyan Liu
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China
| | - Qijun Xie
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China
| | - Zhi Guo
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China
| | - Yihan Chen
- School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Nanominerals and Pollution Control of Higher Education Institutes, Hefei University of Technology, Hefei 230009, China
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Evaluation of Lignocellulosic Wastewater Valorization with the Oleaginous Yeasts R. kratochvilovae EXF7516 and C. oleaginosum ATCC 20509. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8050204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
During the conversion of lignocellulose, phenolic wastewaters are generated. Therefore, researchers have investigated wastewater valorization processes in which these pollutants are converted to chemicals, i.e., lipids. However, wastewaters are lean feedstocks, so these valorization processes in research typically require the addition of large quantities of sugars and sterilization, which increase costs. This paper investigates a repeated batch fermentation strategy with Rhodotorula kratochvilovae EXF7516 and Cutaneotrichosporon oleaginosum ATCC 20509, without these requirements. The pollutant removal and its conversion to microbial oil were evaluated. Because of the presence of non-monomeric substrates, the ligninolytic enzyme activity was also investigated. The repeated batch fermentation strategy was successful, as more lipids accumulated every cycle, up to a total of 5.4 g/L (23% cell dry weight). In addition, the yeasts consumed up to 87% of monomeric substrates, i.e., sugars, aromatics, and organics acids, and up to 23% of non-monomeric substrates, i.e., partially degraded xylan, lignin, cellulose. Interestingly, lipid production was only observed during the harvest phase of each cycle, as the cells experienced stress, possibly due to oxygen limitation. This work presents the first results on the feasibility of valorizing non-sterilized lignocellulosic wastewater with R. kratochvilovae and C. oleaginosum using a cost-effective repeated batch strategy.
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Singh AK, Bilal M, Iqbal HMN, Raj A. In silico analytical toolset for predictive degradation and toxicity of hazardous pollutants in water sources. CHEMOSPHERE 2022; 292:133250. [PMID: 34922975 DOI: 10.1016/j.chemosphere.2021.133250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/26/2021] [Accepted: 12/08/2021] [Indexed: 02/08/2023]
Abstract
Different phenolic compounds, including multimeric lignin derivatives in the β-O-4 form, are among the most prevalent compounds in wastewater, often generated from paper industries. Relatively small concentrations of lignin are hazardous to aquatic organisms and can trigger severe environmental hazards. Herein, we present a predictive toolset to insight the induced toxic hazards prediction, and their Lignin peroxidase (LiP)-assisted degradation mechanism of selected multimeric lignin model compounds. T.E.ST and Toxtree toolset were deployed for toxic hazards estimation in different endpoints. To minimize the concerning hazards, we screened multimeric compounds for binding affinity with LiP. The binding affinity was found to be significantly lower than the reference compound. An Extra precision (XP) Glide score of -6.796 kcal/mol was found for dimer (guaiacyl 4-O-5 guaiacyl) complex as lowest compared to reference compound (-4.007 kcal/mol). The active site residues ASP-153, HIP-226, VAL-227, ARG-244, GLU-215, 239, PHE-261 were identified as site-specific key binding AA residues actively involved with corresponding ligands, forming Hydrophobic, H-Bond, π-Stacking, π-π type interactions. The DESMOND-assisted molecular dynamics simulation's (MDS) trajectories of protein-ligand revealed the considerable binding behavior and attained stability and system equilibrium state. Such theoretical and predictive conclusions indicted the feasibility of LiP assisted sustainable mitigation of lignin-based compounds, and such could be used to protect the environment from the potential hazards posed by recognized similar pollutants.
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Affiliation(s)
- Anil Kumar Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
| | - Abhay Raj
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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