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Singh A, Manikandan SK, Nair V. Mechanistic Studies on Bioremediation of Dye using Aeromonas veronii Immobilized Peanut Shell Biochar. ENVIRONMENTAL RESEARCH 2024:119908. [PMID: 39233033 DOI: 10.1016/j.envres.2024.119908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2024] [Revised: 08/15/2024] [Accepted: 08/31/2024] [Indexed: 09/06/2024]
Abstract
Recalcitrant chemicals in the environment not only present obstacles to living organisms but also contribute to the degradation of natural resources. One contribution to environmental pollution is the discharge of synthetic dyes from the textile sector. This study investigates the combined effect of microbial cells and biochar on eliminating methyl orange (MO) dye. The immobilization of Aeromonas veronii on peanut shell biochar (APSB) was conducted to investigate its efficacy in removing MO dye from water. PSB synthesized by pyrolysis at 300 °C for 120 min showed maximum bacterial immobilization potential. The highest degradation rate of 96.19 % was achieved in APSB within 96 h using MO dye concentration of 100 mg L-1, incubation temperature of 37 °C, pH 7, and biocatalyst dosage of 1g L-1. In comparison, free cells achieved degradation rates of 72.53 % and 61.56 % for PSB. Moreover, the adsorption process was primarily controlled by PSB, with subsequent dye mineralization by A. veronii, as supported by FTIR and LC-MS studies. Moreover, this innovative approach exhibited the reusability of the biocatalyst, giving 76.23 % removal after fifth cycle, suggesting sustainable alternative in dye remediation and potential option for real-time applications.
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Affiliation(s)
- Aparna Singh
- Department of Chemical Engineering, National Institute of Technology Karnataka (NITK), Surathkal, Srinivasanagar P.O. Mangalore 575025, India
| | - Soumya Koippully Manikandan
- Department of Chemical Engineering, National Institute of Technology Karnataka (NITK), Surathkal, Srinivasanagar P.O. Mangalore 575025, India.
| | - Vaishakh Nair
- Department of Chemical Engineering, National Institute of Technology Karnataka (NITK), Surathkal, Srinivasanagar P.O. Mangalore 575025, India.
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2
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Shah MZ, Quraishi M, Sreejith A, Pandit S, Roy A, Khandaker MU. Sustainable degradation of synthetic plastics: A solution to rising environmental concerns. CHEMOSPHERE 2024; 352:141451. [PMID: 38368957 DOI: 10.1016/j.chemosphere.2024.141451] [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: 06/07/2023] [Revised: 01/30/2024] [Accepted: 02/10/2024] [Indexed: 02/20/2024]
Abstract
Plastics have a significant role in various sectors of the global economy since they are widely utilized in agriculture, architecture, and construction, as well as health and consumer goods. They play a crucial role in several industries as they are utilized in the production of diverse things such as defense materials, sanitary wares, tiles, plastic bottles, artificial leather, and various other household goods. Plastics are utilized in the packaging of food items, medications, detergents, and cosmetics. The overconsumption of plastics presents a significant peril to both the ecosystem and human existence on Earth. The accumulation of plastics on land and in the sea has sparked interest in finding ways to breakdown these polymers. It is necessary to employ suitable biodegradable techniques to decrease the accumulation of plastics in the environment. To address the environmental issues related to plastics, it is crucial to have a comprehensive understanding of the interaction between microorganisms and polymers. A wide range of creatures, particularly microbes, have developed techniques to survive and break down plastics. This review specifically examines the categorization of plastics based on their thermal and biodegradable properties, as well as the many types of degradation and biodegradation. It also discusses the various types of degradable plastics, the characterization of biodegradation, and the factors that influence the process of biodegradation. The plastic breakdown and bioremediation capabilities of these microbes make them ideal for green chemistry applications aimed at removing hazardous polymers from the ecosystem.
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Affiliation(s)
- Masirah Zahid Shah
- Amity Institute of Biotechnology, Amity University, Mumbai, Maharashtra, 410206, India
| | - Marzuqa Quraishi
- Amity Institute of Biotechnology, Amity University, Mumbai, Maharashtra, 410206, India
| | - Anushree Sreejith
- Amity Institute of Biotechnology, Amity University, Mumbai, Maharashtra, 410206, India
| | - Soumya Pandit
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, 201306, India.
| | - Arpita Roy
- Department of Biotechnology, Sharda School of Engineering & Technology, Sharda University, Greater Noida, India.
| | - Mayeen Uddin Khandaker
- Applied Physics and Radiation Technologies Group, CCDCU, School of Engineering and Technology, Sunway University, 47500, Bandar Sunway, Selangor, Malaysia; Faculty of Graduate Studies, Daffodil International University, Daffodil Smart City, Birulia, Savar, Dhaka, 1216, Bangladesh
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3
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Guo C, Fan L, Yang Q, Ning M, Zhang B, Ren X. Characterization and mechanism of simultaneous degradation of aflatoxin B 1 and zearalenone by an edible fungus of Agrocybe cylindracea GC-Ac2. Front Microbiol 2024; 15:1292824. [PMID: 38414775 PMCID: PMC10897045 DOI: 10.3389/fmicb.2024.1292824] [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: 09/12/2023] [Accepted: 01/30/2024] [Indexed: 02/29/2024] Open
Abstract
Contamination with multiple mycotoxins is a major issue for global food safety and trade. This study focused on the degradation of aflatoxin B1 (AFB1) and zearalenone (ZEN) by 8 types of edible fungi belonging to 6 species, inclulding Agaricus bisporus, Agrocybe cylindracea, Cyclocybe cylindracea, Cyclocybe aegerita, Hypsizygus marmoreus and Lentinula edodes. Among these fungi, Agrocybe cylindracea strain GC-Ac2 was shown to be the most efficient in the degradation of AFB1 and ZEN. Under optimal degradation conditions (pH 6.0 and 37.4°C for 37.9 h), the degradation rate of both AFB1 and ZEN reached over 96%. Through the analysis of functional detoxification components, it was found that the removal of AFB1 and ZEN was primarily degraded by the culture supernatant of the fungus. The culture supernatant exhibited a maximum manganese peroxidase (MnP) activity of 2.37 U/mL. Interestingly, Agrocybe cylindracea strain GC-Ac2 also showed the capability to degrade other mycotoxins in laboratory-scale mushroom substrates, including 15A-deoxynivalenol, fumonisin B1, B2, B3, T-2 toxin, ochratoxin A, and sterigmatocystin. The mechanism of degradation of these mycotoxins was speculated to be catalyzed by a complex enzyme system, which include MnP and other ligninolytic enzymes. It is worth noting that Agrocybe cylindracea can degrade multiple mycotoxins and produce MnP, which is a novel and significant discovery. These results suggest that this candidate strain and its enzyme system are expected to become valuable biomaterials for the simultaneous degradation of multiple mycotoxins.
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Affiliation(s)
- Changying Guo
- Institute of Quality Standard and Testing Technology for Agro-products, Shandong Academy of Agricultural Sciences, Jinan, China
- Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, China
| | - Lixia Fan
- Institute of Quality Standard and Testing Technology for Agro-products, Shandong Academy of Agricultural Sciences, Jinan, China
- Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, China
| | - Qingqing Yang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Mingxiao Ning
- Institute of Quality Standard and Testing Technology for Agro-products, Shandong Academy of Agricultural Sciences, Jinan, China
- Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, China
| | - Bingchun Zhang
- Institute of Quality Standard and Testing Technology for Agro-products, Shandong Academy of Agricultural Sciences, Jinan, China
- Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, China
| | - Xianfeng Ren
- Institute of Quality Standard and Testing Technology for Agro-products, Shandong Academy of Agricultural Sciences, Jinan, China
- Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, China
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4
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Lin X, Zhou Q, Xu H, Chen H, Xue G. Advances from conventional to biochar enhanced biotreatment of dyeing wastewater: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167975. [PMID: 37866601 DOI: 10.1016/j.scitotenv.2023.167975] [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: 08/08/2023] [Revised: 10/04/2023] [Accepted: 10/18/2023] [Indexed: 10/24/2023]
Abstract
DW (Dyeing wastewater) contains a large amount of dye organic compounds. A considerable proportion of dye itself or its intermediate products generated during wastewater treatment process exhibits CMR (Carcinogenic/Mutagenic/Toxic to Reproduction) toxicity. Compared with physicochemical methods, biological treatment is advantageous in terms of operating costs and greenhouse gas emissions, and has become the indispensable mainstream technology for DW treatment. This article reviews the adsorption and degradation mechanisms of dye organic compounds in wastewater and analyzed different biological processes, ranging from traditional methods to processes enhanced by biochar (BC). For traditional biological processes, microbial characteristics and communities were discussed, as well as the removal efficiency of different bioreactors. BC has adsorption and redox electron mediated effects, and coupling with biological treatment can further enhance the process of biosorption and degradation. Although BC coupled biological treatment shows promising dye removal, further research is still needed to optimize the treatment process, especially in terms of technical and economic competitiveness.
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Affiliation(s)
- Xumeng Lin
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Qifan Zhou
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Huanghuan Xu
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Hong Chen
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Gang Xue
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200000, China.
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5
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Zhang H, Liu X, Liu B, Sun F, Jing L, Shao L, Cui Y, Yao Q, Wang M, Meng C, Gao Z. Synergistic degradation of Azure B and sulfanilamide antibiotics by the white-rot fungus Trametes versicolor with an activated ligninolytic enzyme system. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131939. [PMID: 37385098 DOI: 10.1016/j.jhazmat.2023.131939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/08/2023] [Accepted: 06/23/2023] [Indexed: 07/01/2023]
Abstract
The treatment of complex polluted wastewater has become an increasingly critical concern for the various types of hazardous organic compounds, including synthetic dyes and pharmaceuticals. Due to their efficient and eco-friendly advantages, the white-rot fungi (WRF) have been applied to degrade environmental pollutants. This study aimed to investigate the removal ability of WRF (i.e., Trametes versicolor WH21) in the co-contamination system composed of Azure B dye and sulfacetamide (SCT). Our study discovered that the decolorization of Azure B (300 mg/L) by strain WH21 was significantly improved (from 30.5% to 86.5%) by the addition of SCT (30 mg/L), while the degradation of SCT was also increased from 76.4% to 96.2% in the co-contamination system. Transcriptomic and biochemical analyses indicated that the ligninolytic enzyme system was activated by the enhanced enzymatic activities of MnPs and laccases, generating higher concentration of extracellular H2O2 and organic acids in strain WH21 in response to SCT stress. Purified MnP and laccase of strain WH21 were revealed with remarkable degradation effect on both Azure B and SCT. These findings significantly expanded the existing knowledge on the biological treatment of organic pollutants, indicating the strong promise of WRF in the treatment of complex polluted wastewater.
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Affiliation(s)
- Hao Zhang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Xiang Liu
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Baoming Liu
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Fengjie Sun
- Department of Biological Sciences, School of Science and Technology, Georgia Gwinnett College, 1000 University Center Lane, Lawrenceville, GA 30043, USA
| | - Lijia Jing
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Lingshuang Shao
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Yulin Cui
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Qingshou Yao
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Meng Wang
- Yantai Hongyuan Bio-fertilizer Co., Ltd., Yantai 264003, China
| | - Chunxiao Meng
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| | - Zhengquan Gao
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
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6
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Prasher IB, Ahmad N, Ahmed M, Raghuwanshi S, Kumar V, Siddiqui SI, Oh S. Live Biomass of Rigidoporus vinctus: A Sustainable Method for Decoloration and Detoxification of Dyes in Water. Microorganisms 2023; 11:1435. [PMID: 37374937 DOI: 10.3390/microorganisms11061435] [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: 04/16/2023] [Revised: 05/21/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
In this study, white-rot fungus, Rigidoporus vinctus, collected from an unidentified fallen twig from Pathankot, Punjab, India, was used for biosorption of anionic Congo red and cationic Methylene blue dyes from an aqueous medium. The biosorption efficiency of the live biomass of Rigidoporus vinctus was investigated to optimize biosorbent dosage, process time, concentrations of dyes, and pH of solutions. The results indicated that Rigidoporus vinctus is more efficient than other reported bio-adsorbents for Congo red and Methylene blue dyes. The maximum biosorption activity of Rigidoporus vinctus for Congo red was found at pH 2, and that for Methylene blue was at pH 10, after 24 h of the reaction period. The process followed pseudo-second-order kinetics, which indicated that the interaction of both dyes to the adsorption sites on the surface of Rigidoporus vinctus was responsive to biosorption. The biosorption process could be well explained by the Langmuir isotherm for both dyes. The maximum monolayer biosorption capacity of Rigidoporus vinctus for Congo red and Methylene blue was observed to be 54.0 mg/g and 80.6 mg/g, respectively. The seed germination test was carried out, and it was assessed that the toxicity of dyes was reduced up to significant levels. Based on the present experimental findings, it can be concluded that biosorption using the live biomass of Rigidoporus vinctus can effectively decolorize dye-containing wastewater, thus reducing the hazardous effects of dyes on human beings.
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Affiliation(s)
- I B Prasher
- Department of Botany, Panjab University, Chandigarh 160014, India
| | - Naushad Ahmad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mukhtar Ahmed
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | | | - Vijay Kumar
- Department of Botany, Panjab University, Chandigarh 160014, India
| | - Sharf Ilahi Siddiqui
- Department of Chemistry, Ramjas College, University of Delhi, Delhi 110007, India
- Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Seungdae Oh
- Department of Civil Engineering, Kyung Hee University, Yongin-si 17104, Gyeonggi-do, Republic of Korea
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7
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Bilal M, Zdarta J, Jesionowski T, Iqbal HMN. Manganese peroxidases as robust biocatalytic tool - An overview of sources, immobilization, and biotechnological applications. Int J Biol Macromol 2023; 234:123531. [PMID: 36754266 DOI: 10.1016/j.ijbiomac.2023.123531] [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: 06/22/2022] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/10/2023]
Abstract
With robust catalytic features, manganese peroxidases (MnPs) from various sources, including fungi and bacteria, have gained much consideration in many biotechnological applications with particular emphasis on environmental remediation. MnP is a heme-containing enzyme that belongs to the oxidoreductases that can catalyze the degradation of various organic pollutants, such as chlorophenols, nitroaromatic compounds, industrial dyes, and polycyclic aromatic hydrocarbons. To spotlight the MnP as biocatalytic tool, an effort has been put forward to cover the four major compartments. For instance, following a brief introduction, first, various microbial sources of MnP are discussed with examples. Second, structural attributes and biocatalytic features of MnP are given with examples. Third, different MnP immobilization strategies, including adsorption, covalent linking, entrapment, and cross-linking, are discussed with a significant motive to strengthen the enzyme's stability against diverse deactivation agents by restricting the conformational mobility of molecules. Compared to free counterparts, immobilized MnP fractions perform well in hostile environments. Finally, various biotechnological applications, such as fuel ethanol production, de-lignification, textile industry, pulp and paper industry, degradation of phenolic and non-phenolic compounds, and pharmaceutical and pesticide degradation, are briefly discussed.
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Affiliation(s)
- Muhammad Bilal
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland.
| | - Jakub Zdarta
- 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; Institute of Advanced Materials for Sustainable Manufacturing, Tecnologico de Monterrey, Monterrey 64849, Mexico.
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8
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Preethi PS, Vickram S, Das R, Hariharan NM, Rameshpathy M, Subbaiya R, Karmegam N, Kim W, Govarthanan M. Bioprospecting of novel peroxidase from Streptomyces coelicolor strain SPR7 for carcinogenic azo dyes decolorization. CHEMOSPHERE 2023; 310:136836. [PMID: 36243089 DOI: 10.1016/j.chemosphere.2022.136836] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/02/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Peroxidase (POX) is a heme-containing oxidoreductase, its voluminous immuno-diagnostic and bioremediatory intuitions have incited optimization and large scale-generation from novel microbial repertoires. Azo dyes are the most detrimental classes of synthetic dyes and they are the common ecotoxic industrial pollutants in wastewater. In addition, azo dyes are refractory to degradation owing to their chemical nature, comprising of azoic linkages, amino moieties with recalcitrant traits. Moreover, they are major carcinogenic and mutagenic on humans and animals, whereby emphasizing the need for decolorization. In the present study, a novel POX from Streptomyces coelicolor strain SPR7 was investigated for the deterioration of ecotoxic dyestuffs. The initial medium component screening for POX production was achieved using, One Factor at a Time and Placket-Burman methodologies with starch, casein and temperature as essential parameters. In auxiliary, Response Surface Methodology (RSM) was recruited and followed by model validation using Back propagation algorithm (BPA). RSM-BPA composite approach prophesied that combination of starch, casein, and temperature at optimal values 2.5%, 0.035% and 35 °C respectively, has resulted in 7 folds enhancement of POX outturn (2.52 U/mL) compared to the unoptimized media (0.36 U/mL). The concentrated enzyme decolorized 75.4% and 90% of the two azo dyes with lignin (10 mM), respectively. Hence, this investigation confirms the potentiality of mangrove actinomycete derived POX for elimination of noxious azo dyes to overcome their carcinogenic, mutagenic and teratogenic effects on humans and aquatic organisms.
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Affiliation(s)
- P Sai Preethi
- 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
| | - Raja Das
- School of Advanced Science, Vellore Institute of Technology (VIT), Vellore, 632 014, Tamil Nadu, India
| | - N M Hariharan
- Department of Biotechnology, Sree Sastha Institute of Engineering and Technology, Chembarambakkam, 600 123, Tamil Nadu, India
| | - M Rameshpathy
- School of Bio Sciences and Technology, Vellore Institute of Technology (VIT), Vellore, 632 014, 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
- PG and Research Department of Botany, Government Arts College (Autonomous), Salem, 636 007, Tamil Nadu, India.
| | - Woong Kim
- Department of Environmental Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - M Govarthanan
- Department of Environmental Engineering, Kyungpook National University, Daegu, 41566, Republic of Korea.
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Biochemical and molecular characterization of a new heme peroxidase from Aspergillus niger CTM10002, and its application in textile reactive dye decolorization. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Temporiti MEE, Nicola L, Nielsen E, Tosi S. Fungal Enzymes Involved in Plastics Biodegradation. Microorganisms 2022; 10:1180. [PMID: 35744698 PMCID: PMC9230134 DOI: 10.3390/microorganisms10061180] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 12/04/2022] Open
Abstract
Plastic pollution is a growing environmental problem, in part due to the extremely stable and durable nature of this polymer. As recycling does not provide a complete solution, research has been focusing on alternative ways of degrading plastic. Fungi provide a wide array of enzymes specialized in the degradation of recalcitrant substances and are very promising candidates in the field of plastic degradation. This review examines the present literature for different fungal enzymes involved in plastic degradation, describing their characteristics, efficacy and biotechnological applications. Fungal laccases and peroxidases, generally used by fungi to degrade lignin, show good results in degrading polyethylene (PE) and polyvinyl chloride (PVC), while esterases such as cutinases and lipases were successfully used to degrade polyethylene terephthalate (PET) and polyurethane (PUR). Good results were also obtained on PUR by fungal proteases and ureases. All these enzymes were isolated from many different fungi, from both Basidiomycetes and Ascomycetes, and have shown remarkable efficiency in plastic biodegradation under laboratory conditions. Therefore, future research should focus on the interactions between the genes, proteins, metabolites and environmental conditions involved in the processes. Further steps such as the improvement in catalytic efficiency and genetic engineering could lead these enzymes to become biotechnological applications in the field of plastic degradation.
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Affiliation(s)
- Marta Elisabetta Eleonora Temporiti
- Laboratory of Mycology, Department of Earth and Environmental Sciences, Università degli Studi di Pavia, Via S. Epifanio 14, 27100 Pavia, Italy; (L.N.); (S.T.)
| | - Lidia Nicola
- Laboratory of Mycology, Department of Earth and Environmental Sciences, Università degli Studi di Pavia, Via S. Epifanio 14, 27100 Pavia, Italy; (L.N.); (S.T.)
| | - Erik Nielsen
- Department of Biology and Biotechnology, Università degli Studi di Pavia, Via Ferrata 9, 27100 Pavia, Italy;
| | - Solveig Tosi
- Laboratory of Mycology, Department of Earth and Environmental Sciences, Università degli Studi di Pavia, Via S. Epifanio 14, 27100 Pavia, Italy; (L.N.); (S.T.)
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Construction of CRISPR-Cas9 genome editing platform for white-rot fungus Cerrena unicolor BBP6 and its effects on extracellular ligninolytic enzyme biosynthesis. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108527] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Thampraphaphon B, Phosri C, Pisutpaisal N, Thamvithayakorn P, Chotelersak K, Sarp S, Suwannasai N. High Potential Decolourisation of Textile Dyes from Wastewater by Manganese Peroxidase Production of Newly Immobilised Trametes hirsuta PW17-41 and FTIR Analysis. Microorganisms 2022; 10:microorganisms10050992. [PMID: 35630435 PMCID: PMC9143691 DOI: 10.3390/microorganisms10050992] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 02/01/2023] Open
Abstract
Coloured wastewater from the textile industry is a very serious global problem. Among 16 different white-rot fungal isolates, Trametes hirsuta PW17-41 revealed high potential for decolourisation of mixed textile dyes (Navy EC-R, Ruby S3B and Super Black G) from real industrial wastewater samples. The efficiency of dye decolourisation was evaluated using the American Dye Manufacturers’ Institute (ADMI) standard methodology. The suitable support for fungal mycelium immobilisation was nylon sponges. The optimal dye decolourisation (95.39%) was achieved by using palm sugar and ammonium nitrate as carbon and nitrogen sources, respectively. The initial pH was 5 and the agitation speed was 100 rpm at 30 °C. The ADMI values of textile dyes decreased from 2475 to 114 within two days, reducing the treatment time from seven days before optimisation. The major mechanism of dye decolourisation was biodegradation, which was confirmed by UV–visible and FTIR spectra. Manganese peroxidase (MnP) (4942 U L−1) was found to be the main enzyme during the decolourisation process at an initial dye concentration of 21,200 ADMI. The results indicated the strong potential of immobilised fungal cells to remove high concentrations of textile dyes from industrial wastewater and their potential ability to produce high MnP and laccase activities that can be used in further application.
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Affiliation(s)
- Bancha Thampraphaphon
- Department of Microbiology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand; (B.T.); (P.T.)
| | - Cherdchai Phosri
- Department of Biology, Faculty of Science, Nakhon Phanom University, Nakhon Phanom 48000, Thailand;
| | - Nipon Pisutpaisal
- Department of Agro-Industrial, Food and Environmental Technology, Faculty of Applied Science, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand;
| | - Pisit Thamvithayakorn
- Department of Microbiology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand; (B.T.); (P.T.)
| | - Kruawan Chotelersak
- Department of Microbiology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand;
| | - Sarper Sarp
- Centre for Water Advanced Technologies and Environmental Research (CWATER), College of Engineering, Swansea University, Fabian Way, Swansea SA1 8EN, UK;
| | - Nuttika Suwannasai
- Department of Microbiology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand; (B.T.); (P.T.)
- Correspondence: ; Tel.: +66-2-6495000 (ext. 18519)
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Microbial Degradation of Azo Dyes: Approaches and Prospects for a Hazard-Free Conversion by Microorganisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084740. [PMID: 35457607 PMCID: PMC9026373 DOI: 10.3390/ijerph19084740] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022]
Abstract
Azo dyes have become a staple in various industries, as colors play an important role in consumer choices. However, these dyes pose various health and environmental risks. Although different wastewater treatments are available, the search for more eco-friendly options persists. Bioremediation utilizing microorganisms has been of great interest to researchers and industries, as the transition toward greener solutions has become more in demand through the years. This review tackles the health and environmental repercussions of azo dyes and its metabolites, available biological approaches to eliminate such dyes from the environment with a focus on the use of different microorganisms, enzymes that are involved in the degradation of azo dyes, and recent trends that could be applied for the treatment of azo dyes.
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14
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Raghav D, Jyoti A, Siddiqui AJ, Saxena J. Plant associated endophytic fungi as potential bio-factories for extracellular enzymes: Progress, Challenges and Strain improvement with precision approaches. J Appl Microbiol 2022; 133:287-310. [PMID: 35396804 DOI: 10.1111/jam.15574] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 03/04/2022] [Accepted: 04/04/2022] [Indexed: 11/29/2022]
Abstract
There is an intricate network of relations between endophytic fungi and their hosts that affects the production of various bioactive compounds. Plant-associated endophytic contain industrially important enzymes and have the potential to fulfill their rapid demand in the international market to boost business in technology. Being safe and metabolically active, they have replaced the usage of toxic and harmful chemicals and hold a credible application in biotransformation, bioremediation, and industrial processes. Despite these, there are limited reports on fungal endophytes that can directly cater to the demand and supply of industrially stable enzymes. The underlying reasons include low endogenous production and secretion of enzymes from fungal endophytes which have raised concern for widely accepted applications. Hence it is imperative to augment the biosynthetic and secretory potential of fungal endophytes. Modern state-of-the-art biotechnological technologies aiming at strain improvement using cell factory engineering as well as precise gene editing like Clustered Regularly Interspaced Palindromic Repeats (CRISPR) and its Associated proteins (Cas) systems which can provide a boost in fungal endophyte enzyme production. Additionally, it is vital to characterize optimum conditions to grow one strain with multiple enzymes (OSME). The present review encompasses various plants-derived endophytic fungal enzymes and their applications in various sectors. Further, we postulate the feasibility of new precision approaches with an aim for strain improvement and enhanced enzyme production.
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Affiliation(s)
- Divyangi Raghav
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Anupam Jyoti
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India.,Department of Biotechnology, University Institute of Biotechnology, Chandigarh University, SAS, Nagar, Punjab
| | - Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Ha'il, Ha'il, P O Box, Saudi Arabia
| | - Juhi Saxena
- Faculty of Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India.,Department of Biotechnology, University Institute of Biotechnology, Chandigarh University, SAS, Nagar, Punjab
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15
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Gao Y, Shah K, Kwok I, Wang M, Rome LH, Mahendra S. Immobilized fungal enzymes: Innovations and potential applications in biodegradation and biosynthesis. Biotechnol Adv 2022; 57:107936. [PMID: 35276253 DOI: 10.1016/j.biotechadv.2022.107936] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 01/10/2023]
Abstract
Microbial enzymes catalyze various reactions inside and outside living cells. Among the widely studied enzymes, fungal enzymes have been used for some of the most diverse purposes, especially in bioremediation, biosynthesis, and many nature-inspired commercial applications. To improve their stability and catalytic ability, fungal enzymes are often immobilized on assorted materials, conventional as well as nanoscale. Recent advances in fungal enzyme immobilization provide effective and sustainable approaches to achieve improved environmental and commercial outcomes. This review aims to provide a comprehensive overview of commonly studied fungal enzymes and immobilization technologies. It also summarizes recent advances involving immobilized fungal enzymes for the degradation or assembly of compounds used in the manufacture of products, such as detergents, food additives, and fossil fuel alternatives. Furthermore, challenges and future directions are highlighted to offer new perspectives on improving existing technologies and addressing unexplored fields of applications.
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Affiliation(s)
- Yifan Gao
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, United States
| | - Kshitjia Shah
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, United States
| | - Ivy Kwok
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, United States
| | - Meng Wang
- Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA 15260, United States
| | - Leonard H Rome
- Department of Biological Chemistry, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, United States; California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States
| | - Shaily Mahendra
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, United States; California NanoSystems Institute, University of California, Los Angeles, CA 90095, United States.
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16
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Bharathi D, Nandagopal JGT, Ranjithkumar R, Gupta PK, Djearamane S. Microbial approaches for sustainable remediation of dye-contaminated wastewater: a review. Arch Microbiol 2022; 204:169. [PMID: 35157149 DOI: 10.1007/s00203-022-02767-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 11/02/2022]
Abstract
The coloured effluents produced from different industries, such as textile, plastics, printing, cosmetics, leather and paper, are extremely toxic and a tremendous threat to the aquatic organisms and human beings. The removal of coloured dye pollutants from the aqueous environment is a great challenge and a pressing task. The growing demand for low-cost and efficient treatment approaches has given rise to alternative and eco-friendly methods, such as biodegradation and microbial remediation. This work summarizes the overview and current research on the remediation of dye pollutants from the aqueous environment by microbial bio-sorbents, such as bacteria, fungi, algae, and yeast. In addition, dye degradation capabilities of microbial enzymes have been highlighted and discussed. Further, the influence of various experimental parameters, such as temperature, pH, and concentrations of nutrients, and dye, has been summarized. The proposed mechanism for dye removal by microorganisms is also discussed. The object of this review is to provide a state-of-the-art of microbial remediation technologies in eliminating dye pollutants from water resources.
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Affiliation(s)
- Devaraj Bharathi
- Department of Biotechnology, Hindusthan College of Arts and Science, Coimbatore, Tamil Nadu, 641028, India.
| | | | | | - Piyush Kumar Gupta
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, Uttar Pradesh, 201310, India
| | - Sinouvassane Djearamane
- Department of Biomedical Science, Faculty of Science, Universiti Tunku Abdul Rahman, Jalan University, Bandar Barat, 31900, Kampar, Perak, Malaysia
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17
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Sellami K, Couvert A, Nasrallah N, Maachi R, Abouseoud M, Amrane A. Peroxidase enzymes as green catalysts for bioremediation and biotechnological applications: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150500. [PMID: 34852426 DOI: 10.1016/j.scitotenv.2021.150500] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 05/16/2023]
Abstract
The fast-growing consumer demand drives industrial process intensification, which subsequently creates a significant amount of waste. These products are discharged into the environment and can affect the quality of air, degrade water streams, and alter soil characteristics. Waste materials may contain polluting agents that are especially harmful to human health and the ecosystem, such as the synthetic dyes, phenolic agents, polycyclic aromatic hydrocarbons, volatile organic compounds, polychlorinated biphenyls, pesticides and drug substances. Peroxidases are a class oxidoreductases capable of performing a wide variety of oxidation reactions, ranging from reactions driven by radical mechanisms, to oxygen insertion into CH bonds, and two-electron substrate oxidation. This versatility in the mode of action presents peroxidases as an interesting alternative in cleaning the environment. Herein, an effort has been made to describe mechanisms governing biochemical process of peroxidase enzymes while referring to H2O2/substrate stoichiometry and metabolite products. Plant peroxidases including horseradish peroxidase (HRP), soybean peroxidase (SBP), turnip and bitter gourd peroxidases have revealed notable biocatalytic potentialities in the degradation of toxic products. On the other hand, an introduction on the role played by ligninolytic enzymes such as manganese peroxidase (MnP) and lignin peroxidase (LiP) in the valorization of lignocellulosic materials is addressed. Moreover, sensitivity and selectivity of peroxidase-based biosensors found use in the quantitation of constituents and the development of diagnostic kits. The general merits of peroxidases and some key prospective applications have been outlined as concluding remarks.
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Affiliation(s)
- Kheireddine Sellami
- Laboratoire de Génie de la Réaction, Faculté de Génie Mécanique et Génie des Procédés, Université des Sciences et de la Technologie Houari Boumediene, Bab Ezzouar, Alger 16111, Algeria; Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, F-35000 Rennes, France.
| | - Annabelle Couvert
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, F-35000 Rennes, France
| | - Noureddine Nasrallah
- Laboratoire de Génie de la Réaction, Faculté de Génie Mécanique et Génie des Procédés, Université des Sciences et de la Technologie Houari Boumediene, Bab Ezzouar, Alger 16111, Algeria
| | - Rachida Maachi
- Laboratoire de Génie de la Réaction, Faculté de Génie Mécanique et Génie des Procédés, Université des Sciences et de la Technologie Houari Boumediene, Bab Ezzouar, Alger 16111, Algeria
| | - Mahmoud Abouseoud
- Laboratoire de Génie de la Réaction, Faculté de Génie Mécanique et Génie des Procédés, Université des Sciences et de la Technologie Houari Boumediene, Bab Ezzouar, Alger 16111, Algeria; Laboratoire de Biomatériaux et Phénomènes de Transport, Faculté des Sciences et de la Technologie, Université Yahia Fares de Médéa, Pôle Universitaire, RN1, Médéa 26000, Algeria
| | - Abdeltif Amrane
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, F-35000 Rennes, France
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18
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Suryadi H, Judono JJ, Putri MR, Eclessia AD, Ulhaq JM, Agustina DN, Sumiati T. Biodelignification of lignocellulose using ligninolytic enzymes from white-rot fungi. Heliyon 2022; 8:e08865. [PMID: 35141441 PMCID: PMC8814692 DOI: 10.1016/j.heliyon.2022.e08865] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/17/2021] [Accepted: 01/27/2022] [Indexed: 11/25/2022] Open
Abstract
Lignocellulose is the most abundant biomass available on earth, including wood and agricultural wastes such as rice straw, corn cobs, and oil palm empty bunches. The biopolymer content in lignocellulose has a great potential as feedstock for producing industrial raw materials such as glucose, sorbitol, xylose, xylitol, and other pharmaceutical excipients. Currently, scientists and governments agree that the enzymatic delignification method is an environmentally friendly green method to be applied. This review attempts to explain the proper preparation of the enzymes laccase, lignin peroxidase, and manganese peroxidase, as well as the important factors influencing their activity. The recent applications of the enzymes for detoxification of hazardous substances, proper enzyme immobilization technique, and future prospect combination with DESs extraction of lignin are also discussed.
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Affiliation(s)
- Herman Suryadi
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Jessica J. Judono
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Merianda R. Putri
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Alma D. Eclessia
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Jiihan M. Ulhaq
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Dinar N. Agustina
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
| | - Triyani Sumiati
- Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia
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19
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The synergism of manganese peroxidase and laccase from Cerrena unicolor BBP6 in denim dye decolorization and the construction of gene co-expression system in Pichia pastoris. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2021.108230] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Yacon (Smallanthus sonchifolius) peel as a promising peroxidase source for the treatment of phenolic wastewater. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2021.102254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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21
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Saini S, Sharma KK. Fungal lignocellulolytic enzymes and lignocellulose: A critical review on their contribution to multiproduct biorefinery and global biofuel research. Int J Biol Macromol 2021; 193:2304-2319. [PMID: 34800524 DOI: 10.1016/j.ijbiomac.2021.11.063] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/27/2021] [Accepted: 11/10/2021] [Indexed: 01/15/2023]
Abstract
The continuous increase in the global energy demand has diminished fossil fuel reserves and elevated the risk of environmental deterioration and human health. Biorefinery processes involved in producing bio-based energy-enriched chemicals have paved way to meet the energy demands. Compared to the thermochemical processes, fungal system biorefinery processes seems to be a promising approach for lignocellulose conversion. It also offers an eco-friendly and energy-efficient route for biofuel generation. Essentially, ligninolytic white-rot fungi and their enzyme arsenals degrade the plant biomass into structural constituents with minimal by-products generation. Hemi- or cellulolytic enzymes from certain soft and brown-rot fungi are always favoured to hydrolyze complex polysaccharides into fermentable sugars and other value-added products. However, the cost of saccharifying enzymes remains the major limitation, which hinders their application in lignocellulosic biorefinery. In the past, research has been focused on the role of lignocellulolytic fungi in biofuel production; however, a cumulative study comprising the contribution of the lignocellulolytic enzymes in biorefinery technologies is still lagging. Therefore, the overarching goal of this review article is to discuss the major contribution of lignocellulolytic fungi and their enzyme arsenal in global biofuel research and multiproduct biorefinery.
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Affiliation(s)
- Sonu Saini
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak 124001, Haryana, India
| | - Krishna Kant Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak 124001, Haryana, India.
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22
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Ahsan Z, Kalsoom U, Bhatti HN, Aftab K, Khalid N, Bilal M. Enzyme-assisted bioremediation approach for synthetic dyes and polycyclic aromatic hydrocarbons degradation. J Basic Microbiol 2021; 61:960-981. [PMID: 34608659 DOI: 10.1002/jobm.202100218] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 08/06/2021] [Accepted: 09/11/2021] [Indexed: 01/25/2023]
Abstract
Environmental protection from emerging pollutants has become a significant challenge for mankind as an increasing number of contaminants, including synthetic dyes and polycyclic aromatic hydrocarbons (PAHs), represent a serious risk to ecological and environmental balance. Most synthetic dyes have complex aromatic structures and are resistant to degrade by classical approaches, such as physical and chemical processes, including adsorption, chemical coagulation, flocculation, ion exchange, membrane separation, froth flotation, and reverse osmosis. Enzymes-assisted catalytic transformation of pollutants has become a potential alternative to classical methods because of their ability to react with complex compounds, a quick degradation rate, and producing less harmful by-products. Plant peroxidases, and microbial laccase and lignin-degrading peroxidases (manganese and lignin peroxidase) have gained significant attention for treating aromatic waste due to their capability of oxidizing and detoxifying a wide range of recalcitrant xenobiotics, including PAHs and synthetic dyes. Peroxidases being efficient biocatalysts detoxify an array of toxic compounds by simple free-radical mechanism resulting in the formation of oxidized and depolymerized products of significantly reduced toxicity. Moreover, it is an ecofriendly and economically favorable approach towards the biodegradation of recalcitrant and toxic industrial waste. Among microbial and plant peroxidases, bacterial enzymes have broad substrate specificity and can transform a wide range of recalcitrant substrates. Ligninolytic enzymes oxidize the aromatic ring into quinones and acids by producing free hydroxyl radicals instead of dihydrodiols and mineralize aromatic hydrocarbon in combination with cytochrome P450, monooxygenases, and epoxide hydrolases. In the review, an attempt has been made to provide detailed knowledge about the availability of inexpensive peroxidases sources, their mechanism of action, and degradation potential. The present review summarizes the exploitation of peroxidases from plants, bacteria, and fungus (manganese peroxidase, lignin peroxidase, and laccases) for detoxification and degradation of textile dyes as well as PAHs. Conclusively, peroxidases have great potential to react with almost all classes of synthetic dyes and most PAHs due to broad substrate specificity and transformed them into less harmful metabolites.
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Affiliation(s)
- Zainab Ahsan
- Department of Chemistry, Government College Women University Faisalabad, Faisalabad, Pakistan
| | - Umme Kalsoom
- Department of Chemistry, Government College Women University Faisalabad, Faisalabad, Pakistan
| | - Haq N Bhatti
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Kiran Aftab
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Nasira Khalid
- Department of Chemistry, Government College Women University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
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23
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Genomic Studies of White-Rot Fungus Cerrena unicolor SP02 Provide Insights into Food Safety Value-Added Utilization of Non-Food Lignocellulosic Biomass. J Fungi (Basel) 2021; 7:jof7100835. [PMID: 34682256 PMCID: PMC8541250 DOI: 10.3390/jof7100835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/21/2021] [Accepted: 10/03/2021] [Indexed: 01/03/2023] Open
Abstract
Cerrena unicolor is an ecologically and biotechnologically important wood-degrading basidiomycete with high lignocellulose degrading ability. Biological and genetic investigations are limited in the Cerrena genus and, thus, hinder genetic modification and commercial use. The aim of the present study was to provide a global understanding through genomic and experimental research about lignocellulosic biomass utilization by Cerrena unicolor. In this study, we reported the genome sequence of C. unicolor SP02 by using the Illumina and PacBio 20 platforms to obtain trustworthy assembly and annotation. This is the combinational 2nd and 3rd genome sequencing and assembly of C. unicolor species. The generated genome was 42.79 Mb in size with an N50 contig size of 2.48 Mb, a G + C content of 47.43%, and encoding of 12,277 predicted genes. The genes encoding various lignocellulolytic enzymes including laccase, lignin peroxidase, manganese peroxidase, cytochromes P450, cellulase, xylanase, α-amylase, and pectinase involved in the degradation of lignin, cellulose, xylan, starch, pectin, and chitin that showed the C. unicolor SP02 potentially have a wide range of applications in lignocellulosic biomass conversion. Genome-scale metabolic analysis opened up a valuable resource for a better understanding of carbohydrate-active enzymes (CAZymes) and oxidoreductases that provide insights into the genetic basis and molecular mechanisms for lignocellulosic degradation. The C. unicolor SP02 model can be used for the development of efficient microbial cell factories in lignocellulosic industries. The understanding of the genetic material of C. unicolor SP02 coding for the lignocellulolytic enzymes will significantly benefit us in genetic manipulation, site-directed mutagenesis, and industrial biotechnology.
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24
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Ding Y, Cui K, Guo Z, Cui M, Chen Y. Manganese peroxidase mediated oxidation of sulfamethoxazole: Integrating the computational analysis to reveal the reaction kinetics, mechanistic insights, and oxidation pathway. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125719. [PMID: 33774358 DOI: 10.1016/j.jhazmat.2021.125719] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/09/2021] [Accepted: 03/19/2021] [Indexed: 06/12/2023]
Abstract
In this study, manganese peroxidase (MnP) was applied to induce the in vitro oxidation of sulfamethoxazole (SMX). The results indicated that 87.04% of the SMX was transformed and followed first-order kinetics (kobs=0.438 h-1) within 6 h when 40 U L-1 of MnP was added. The reaction kinetics were investigated under different conditions, including pH, MnP activity, and H2O2 concentration. The active species Mn3+ was responsible for the oxidation of SMX, and the Mn3+ production rate was monitored to reveal the interaction among MnP, Mn3+, and SMX. By integrating the characterizations analysis of the MnP/H2O2 system with the density functional theory (DFT) calculations, the proton-coupled electron transfer (PCET) process dominated the catalytic circle of MnP and the transformation of Mn3+. Additionally, possible oxidation pathways of SMX were proposed based on single-electron transfer mechanism, which primarily included the S-N bond cleavage, the C-S bond cleavage, and one electron loss without bond breakage. It was then transformed to hydrolysis, N-H oxidation, self-coupling, and carboxylic acid coupling products. This study provides insights into the atomic-level mechanism of MnP and the transformation pathways of sulfamethoxazole, which lays a significant foundation for the potential of MnP in wastewater treatment applications.
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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.
| | - 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
| | - Minshu 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
| | - 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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25
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Textile Dye Biodecolorization by Manganese Peroxidase: A Review. Molecules 2021; 26:molecules26154403. [PMID: 34361556 PMCID: PMC8348190 DOI: 10.3390/molecules26154403] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/17/2021] [Accepted: 07/18/2021] [Indexed: 11/25/2022] Open
Abstract
Wastewater emissions from textile factories cause serious environmental problems. Manganese peroxidase (MnP) is an oxidoreductase with ligninolytic activity and is a promising biocatalyst for the biodegradation of hazardous environmental contaminants, and especially for dye wastewater decolorization. This article first summarizes the origin, crystal structure, and catalytic cycle of MnP, and then reviews the recent literature on its application to dye wastewater decolorization. In addition, the application of new technologies such as enzyme immobilization and genetic engineering that could improve the stability, durability, adaptability, and operating costs of the enzyme are highlighted. Finally, we discuss and propose future strategies to improve the performance of MnP-assisted dye decolorization in industrial applications.
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26
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Chauhan AK, Choudhury B. Synthetic dyes degradation using lignolytic enzymes produced from Halopiger aswanensis strain ABC_IITR by Solid State Fermentation. CHEMOSPHERE 2021; 273:129671. [PMID: 33517115 DOI: 10.1016/j.chemosphere.2021.129671] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 11/01/2020] [Accepted: 01/13/2021] [Indexed: 06/12/2023]
Abstract
The present work focuses on studying the degradation of industrial synthetic dyes, which poses serious health hazards and a drastic impact on the environment. Currently available enzymatic processes have higher production and operational costs. However, most enzymes are active at acidic pH, which limits its application in textile dye degradation. This problem can be overcome by lignolytic enzymes obtained from halo-alkaliphile through Solid State Fermentation (SSF) using wheat bran (agro-byproduct) as a substrate. The major lignolytic enzymes studied were Lignin Peroxidase (LiP), Manganese Peroxidase (MnP), and laccase. The results demonstrated the highest activity of 215.4 ± 1.57 of LiP, 36.8 ± 2.38 of MnP, and 8.34 ± 0.21 IU/gds of laccase. Crude enzymes were used to treat synthetic dyes (mainly azo dyes), and their potential for its degradation was confirmed by spectrophotometric, GC-MS, and HPLC analysis. The highest decolorization of 82-93% of Malachite Green (MG) was achieved in LiP and MnP mediated reaction system within 2 hours. The laccase reaction system showed degradation of 53.87% of methyl orange without adding any redox mediator. After obtaining these results, the crude LiP and MnP in the reaction system were further subjected to decolorization at a higher MG concentration of 100-600 mg/L without a redox mediator. As a result, both LiP and MnP decolorized MG by 72-89%. Further, GC-MS analysis of MG biodegradation products confirmed the formation of less toxic low molecular weight products such as benzaldehyde and methanone.
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Affiliation(s)
- Ajay Kumar Chauhan
- Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, 24667, India
| | - Bijan Choudhury
- Department of Biotechnology, Indian Institute of Technology, Roorkee, Uttarakhand, 24667, India.
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27
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The Sustainable Production of a Novel Laccase from Wheat Bran by Bordetella sp. JWO16: Toward a Total Environment. Catalysts 2021. [DOI: 10.3390/catal11060677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Laccase is increasingly adopted in diverse industrial and environmental applications, due to its readily accessible requirements for efficient catalytic synthesis and biotransformation of chemicals. However, it is perceived that its industrial production might incur some unfavorable overhead, which leads to expensive market products, and the corresponding negative environmental feedback, due to the use of capital-intensive and precarious chemicals. To this end, this study was designed to evaluate the performance indicators of the valorization of wheat bran by a novel Jb1b laccase and its subsequent application in waste minimization and water management, on a laboratory scale. Optimal Jb1b laccase was produced in submerged fermentation medium containing wheat bran, an agroindustrial residue, through response surface methodology (RSM) algorithm, and was applied in dye decolorization and denim bioscouring, respectively. Results showed that the resultant enzyme manifested unique biochemical properties, such as enhanced tolerance at certain physicochemical conditions, with a residual activity of at least ca. 76%. Furthermore, phenomenally high concentrations of synthetic dyes (0.2% w v−1) were decolorized over 56 h, and a 6 h mediator-supported simultaneous denim bleaching and decolorization of wash effluent was observed. The sustainability of the production and application processes were inferred from the reusability of the fermentation sludge as a potential biofertilizer, with subsequent prospects for the biostimulation and bioaugmentation of contaminated soils, whereas the decolorized water could be adopted for other uses, amongst which horticulture and forestry are typical examples. These phenomena therefore authenticate the favorable environmental feedbacks and overhead realized in this present study.
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Bilal M, Bagheri AR, Vilar DS, Aramesh N, Eguiluz KIB, Ferreira LFR, Ashraf SS, Iqbal HMN. Oxidoreductases as a versatile biocatalytic tool to tackle pollutants for clean environment – a review. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY 2021. [DOI: 10.1002/jctb.6743] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Muhammad Bilal
- School of Life Science and Food Engineering Huaiyin Institute of Technology Huaian 223003 China
| | | | - Débora S Vilar
- Graduate Program in Process Engineering Tiradentes University (UNIT) Av. Murilo Dantas, 300, Farolândia Aracaju‐Sergipe 49032‐490 Brazil
| | - Nahal Aramesh
- Department of Chemistry Yasouj University Yasouj Iran
| | - Katlin Ivon Barrios Eguiluz
- Graduate Program in Process Engineering Tiradentes University (UNIT) Av. Murilo Dantas, 300, Farolândia Aracaju‐Sergipe 49032‐490 Brazil
| | - Luiz Fernando Romanholo Ferreira
- Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP) Tiradentes University (UNIT) Av. Murilo Dantas, 300, Farolândia Aracaju‐Sergipe 49032‐490 Brazil
| | - Syed Salman Ashraf
- Department of Chemistry College of Arts and Sciences, Khalifa University Abu Dhabi United Arab Emirates
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey School of Engineering and Sciences Monterrey 64849 Mexico
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29
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Ideal Feedstock and Fermentation Process Improvements for the Production of Lignocellulolytic Enzymes. Processes (Basel) 2020. [DOI: 10.3390/pr9010038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The usage of lignocellulosic biomass in energy production for biofuels and other value-added products can extensively decrease the carbon footprint of current and future energy sectors. However, the infrastructure in the processing of lignocellulosic biomass is not well-established as compared to the fossil fuel industry. One of the bottlenecks is the production of the lignocellulolytic enzymes. These enzymes are produced by different fungal and bacterial species for degradation of the lignocellulosic biomass into its reactive fibers, which can then be converted to biofuel. The selection of an ideal feedstock for the lignocellulolytic enzyme production is one of the most studied aspects of lignocellulolytic enzyme production. Similarly, the fermentation enhancement strategies for different fermentation variables and modes are also the focuses of researchers. The implementation of fermentation enhancement strategies such as optimization of culture parameters (pH, temperature, agitation, incubation time, etc.) and the media nutrient amendment can increase the lignocellulolytic enzyme production significantly. Therefore, this review paper summarized these strategies and feedstock characteristics required for hydrolytic enzyme production with a special focus on the characteristics of an ideal feedstock to be utilized for the production of such enzymes on industrial scales.
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Kumar A. Biobleaching: An eco-friendly approach to reduce chemical consumption and pollutants generation. PHYSICAL SCIENCES REVIEWS 2020. [DOI: 10.1515/psr-2019-0044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The pulp and paper industry is known to be a large contributor to environmental pollution due to the huge consumption of chemicals and energy. Several chemicals including H2SO4, Cl2, ClO2, NaOH, and H2O2 are used during the bleaching process. These chemicals react with lignin and carbohydrates to generate a substantial amount of pollutants in bleach effluents. Environmental pressure has compelled the pulp and paper industry to reduce pollutant generation from the bleaching section. Enzymes have emerged as simple, economical, and eco-friendly alternatives for bleaching of pulp. The pretreatment of pulp with enzymes is termed as biobleaching or pre-bleaching. Different microbial enzymes such as xylanases, pectinases, laccases, manganese peroxidases (MnP), and lignin peroxidases are used for biobleaching. Xylanases depolymerize the hemicelluloses precipitated on pulp fiber surfaces and improves the efficiency of bleaching chemicals. Xylanase treatment also increases the pulp fibrillation and reduces the beating time of the pulp. Pectinases hydrolyze pectin available in the pulp fibers and improve the papermaking process. Laccase treatment is found more effective along with mediator molecules (as a laccase-mediator system). Biobleaching of pulp results in the superior quality of pulp along with lower consumption of chlorine-based chemicals and lower generation of adsorbable organic halidesadsorbable organic halides (AOX. An enzyme pretreatment reduces the kappa number of pulp and improves ISO brightness significantly. Better physical strength properties and pulp viscosity have also been observed during biobleaching of pulp.
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Affiliation(s)
- Amit Kumar
- Department of Biotechnology , Debre Markos University College of Natural and Computational Science , Debre Markos 269 Gojjam , Ethiopia
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31
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Microbial lignin peroxidases: Applications, production challenges and future perspectives. Enzyme Microb Technol 2020; 141:109669. [DOI: 10.1016/j.enzmictec.2020.109669] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/19/2022]
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Lighting Conditions Influence the Dynamics of Protease Synthesis and Proteasomal Activity in the White Rot Fungus Cerrena unicolor. Biomolecules 2020; 10:biom10091322. [PMID: 32942733 PMCID: PMC7565922 DOI: 10.3390/biom10091322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/14/2020] [Indexed: 01/25/2023] Open
Abstract
Recent transcriptomic and biochemical studies have revealed that light influences the global gene expression profile and metabolism of the white-rot fungus Cerrena unicolor. Here, we aimed to reveal the involvement of proteases and ubiquitin-mediated proteolysis by the 26S proteasome in the response of this fungus to white, red, blue and green lighting conditions and darkness. The changes in the expression profile of C. unicolor genes putatively engaged in proteolysis were found to be unique and specific to the applied wavelength of light. It was also demonstrated that the activity of proteases in the culture fluid and mycelium measured using natural and synthetic substrates was regulated by light and was substrate-dependent. A clear influence of light on protein turnover and the qualitative and quantitative changes in the hydrolytic degradation of proteins catalyzed by various types of proteases was shown. The analysis of activity associated with the 26S proteasome showed a key role of ATP-dependent proteolysis in the initial stages of adaptation of fungal cells to the stress factors. It was suggested that the light-sensing pathways in C. unicolor are cross-linked with stress signaling and secretion of proteases presumably serving as regulatory molecules.
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Rajhans G, Sen SK, Barik A, Raut S. Elucidation of fungal dye-decolourizing peroxidase (DyP) and ligninolytic enzyme activities in decolourization and mineralization of azo dyes. J Appl Microbiol 2020; 129:1633-1643. [PMID: 32491245 DOI: 10.1111/jam.14731] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/19/2020] [Accepted: 05/26/2020] [Indexed: 12/22/2022]
Abstract
AIM The aim of the study is to investigate the efficiency of Geotrichum candidum in the decolourization and mineralization of synthetic azo dyes. METHODS AND RESULTS It includes screening of enzymes from G. candidum and its optimization, followed by decolourization and mineralization studies. Decolourization was observed to be maximum in methyl orange (94·6%) followed by Congo red (85%), trypan blue (70·4%) and Eriochrome Black T (55·6%) in 48 h, suggesting the plausible degradation of the azo dyes by G. candidum. The enzyme activity study showed that DyP-type peroxidase has highest activity of 900 mU ml-1 compared to that of laccase (405 mU ml-1 ) and lignin peroxidase (LiP) (324 mU ml-1 ) at optimized pH (6) and temperature (35°C). Moreover, the rate of decolourization was found to be directly proportional to the production of laccase and LiP, unlike DyP-type peroxidase. Furthermore, mineralization study demonstrated reduction in aromatic amines, showing 20% mineralization of methyl orange. CONCLUSION Geotrichum candidum with its enzyme system is able to efficiently decolourize and mineralize the experimental azo dyes. SIGNIFICANCE AND IMPACT OF THE STUDY The efficient decolourization and mineralization of azo dyes makes G. candidum a promising alternative in the treatment of textile effluent contaminated with azo dyes.
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Affiliation(s)
- G Rajhans
- Center for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - S K Sen
- Biostadt India Limited, Waluj, Aurangabad, Maharashtra, India
| | - A Barik
- Center for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - S Raut
- Center for Biotechnology, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
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Fritzke W, Salla EG, Bagatini MD, da Silva Rosa Bonadiman B, Skoronski E, Moroni LS, Kempka AP. Peroxidase of Cedrela fissilis leaves: Biochemical characterization and toxicity of enzymatically decolored solution of textile dye Brilliant Sky-Blue G. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101553] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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35
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Pawlik A, Jaszek M, Stefaniuk D, Świderska-Burek U, Mazur A, Wielbo J, Koper P, Żebracki K, Janusz G. Combined Effect of Light and Nutrients on the Micromorphology of the White rot Fungus Cerrena Unicolor. Int J Mol Sci 2020; 21:E1678. [PMID: 32121417 PMCID: PMC7084710 DOI: 10.3390/ijms21051678] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 02/23/2020] [Accepted: 02/27/2020] [Indexed: 12/19/2022] Open
Abstract
Light influences developmental pathways in fungi. Recent transcriptomic and biochemical analyses have demonstrated that light influences the metabolism of a white-rot basidiomycete Cerrena unicolor. However, the expression profile of genes involved in the growth and development, or micromorphological observations of the mycelium in response to variable lighting and culturing media, have not performed. We aim to reveal the effect of light and nutrients on C. unicolor growth and a potential relationship between the culture medium and lighting conditions on fungus micromorphological structures. Confocal laser scanning microscopy and scanning electron microscopy were employed for morphological observations of C. unicolor mycelium cultivated in red, blue, green, and white light and darkness on mineral and sawdust media. A comprehensive analysis of C. unicolor differentially expressed genes (DEGs) was employed to find global changes in the expression profiles of genes putatively involved in light-dependent morphogenesis. Both light and nutrients influenced C. unicolor growth and development. Considerable differences in the micromorphology of the mycelia were found, which were partially reflected in the functional groups of DEGs observed in the fungus transcriptomes. A complex cross-interaction of nutritional and environmental signals on C. unicolor growth and morphology was suggested. The results are a promising starting point for further investigations of fungus photobiology.
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Affiliation(s)
- Anna Pawlik
- Department of Biochemistry and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Magdalena Jaszek
- Department of Biochemistry and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Dawid Stefaniuk
- Department of Biochemistry and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Urszula Świderska-Burek
- Department of Botany, Mycology and Ecology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Andrzej Mazur
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Jerzy Wielbo
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Piotr Koper
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Kamil Żebracki
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
| | - Grzegorz Janusz
- Department of Biochemistry and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland
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Urbano BF, Bustamante S, Palacio DA, Vera M, Rivas BL. Polymer supports for the removal and degradation of hazardous organic pollutants: an overview. POLYM INT 2020. [DOI: 10.1002/pi.5961] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Bruno F Urbano
- Departamento de Polímeros, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Saúl Bustamante
- Departamento de Polímeros, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Daniel A Palacio
- Departamento de Polímeros, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Myleidi Vera
- Departamento de Polímeros, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
| | - Bernabé L Rivas
- Departamento de Polímeros, Facultad de Ciencias QuímicasUniversidad de Concepción Concepción Chile
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Ligninolytic Enzymes Mediated Ligninolysis: An Untapped Biocatalytic Potential to Deconstruct Lignocellulosic Molecules in a Sustainable Manner. Catal Letters 2020. [DOI: 10.1007/s10562-019-03096-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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38
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Expression of a novel manganese peroxidase from Cerrena unicolor BBP6 in Pichia pastoris and its application in dye decolorization and PAH degradation. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2019.107402] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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39
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Unuofin JO. Sustainability potentials of novel laccase tinctures from Stenotrophomonas maltophilia BIJ16 and Bordetella bronchiseptica HSO16: From dye decolourization to denim bioscouring. ACTA ACUST UNITED AC 2019; 25:e00409. [PMID: 31886141 PMCID: PMC6920499 DOI: 10.1016/j.btre.2019.e00409] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/13/2019] [Accepted: 12/02/2019] [Indexed: 12/21/2022]
Abstract
Laccase from Hb16c and Berl11b2 exhibited remarkable polyextremotolerant properties. A novel high concentration of synthetic dyes was efficiently degraded. Bioscouring of denim was achieved by a mediator-associated laccase treatment. Multiple laccase-encoding genes were observed in a laccase-producing strain.
The aim of this present study was to investigate the environmental proficiency of two laccase producing bacterial strains, Hb16c and Berl11b2. Here, laccases, which were secreted in media containing environmental wastes, were characterized for biochemical and kinetic novelty and applied in the decolourization of some synthetic dyes and subsequently, denim bleaching. The laccases exhibited enhanced pH-, thermo-, psychro-, metal-, halo-, and surfacto-tolerance, eliciting residual activities of at least ca. 71%. Thereafter, the enzymes were able to decolourize novel high concentrations of synthetic dyes (0.2% w v−1) at 56 h of incubation, and also elicit a mediator-assisted perpetual wash up and decolourization of indigo pigment from fabric under 6 h. The outcomes observed in this study therefore warrant the adoption of these isolates for applications toward a sustainable and total environment through production of fine biochemicals, and the minimization of environmental wastes.
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Affiliation(s)
- John O Unuofin
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Private Bag X1314, Alice, 5700, South Africa.,Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice, 5700, South Africa.,Department of Environmental, Water and Earth Sciences, Tshwane University of Technology, Private Bag X680, Pretoria 0001, South Africa
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40
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Bardi A, Yuan Q, Siracusa G, Becarelli S, Di Gregorio S, Tigini V, Levin DB, Petroni G, Munz G. Stability of fungal biomass continuously fed with tannic acid in a non-sterile moving-packed bed reactor. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 247:67-77. [PMID: 31234047 DOI: 10.1016/j.jenvman.2019.06.036] [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: 01/17/2019] [Revised: 06/08/2019] [Accepted: 06/10/2019] [Indexed: 06/09/2023]
Abstract
A number of bacteria and fungi are known to degrade tannins. In this study, the efficiency of the white-rot fungus, Bjerkandera adusta MUT 2295, was evaluated for the treatment of a synthetic solution prepared with tannic acid. Tests were performed in continuously fed, bench-scale, packed-bed reactors, operated under non-sterile conditions with biomass immobilized within PolyUrethane Foam cubes (PUFs). The main parameters monitored to evaluate the process efficiency were: soluble Chemical Oxygen Demand (sCOD), Total Organic Carbon (TOC) removal, and activities. of Tannase and Lignin Peroxidase. At the end of the process, additional parameters were evaluated, including the increase of fungal dry weight and the presence of ergosterol. The reactor was operative for 210 days, with maximum sCOD and TOC removal of 81% and 73%, respectively. The reduction of sCOD and TOC were positively correlated with the detection of Tannase and Lignin Peroxidase (LiP) activities. Increases in biomass within the PUF cubes was associated with increases in ergosterol concentrations. This study proved that the fungal-based system tested was efficient for the degradation of tannic acid over a period of time, and under non-sterile conditions.
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Affiliation(s)
- A Bardi
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy.
| | - Q Yuan
- Department of Civil Engineering, University of Manitoba, 15 Gillson Street, R3T 5V6, Winnipeg, Canada
| | - G Siracusa
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
| | - S Becarelli
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
| | - S Di Gregorio
- Department of Biology, University of Pisa, Via Luca Ghini 13, 56126, Pisa, Italy
| | - V Tigini
- Department of Life Sciences and Systems Biology, University of Turin, Viale Mattioli 25, 10125, Torino, Italy
| | - D B Levin
- Department of Biosystems Engineering, University of Manitoba, 75A Chancellor Circle, R3T 5V6, Winnipeg, Canada
| | - G Petroni
- Department of Biology, University of Pisa, Via Luca Ghini 13, 56126, Pisa, Italy
| | - G Munz
- Department of Civil and Environmental Engineering, University of Florence, Via S. Marta 3, 50139, Florence, Italy
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Li L, Liu B, Yang J, Zhang Q, He C, Jia R. Catalytic properties of a short manganese peroxidase from Irpex lacteus F17 and the role of Glu166 in the Mn 2+-independent activity. Int J Biol Macromol 2019; 136:859-869. [PMID: 31226373 DOI: 10.1016/j.ijbiomac.2019.06.065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 01/30/2023]
Abstract
Il-MnP1 (GenBank: AGO86670.2) has been confirmed by sequence analysis as a short manganese peroxidase (MnP) from Irpex lacteus F17 (CCTCC AF 2014020). To investigate the catalytic properties, the oxidation of typical aromatic substrates and the pathways of guaiacol oxidation by Il-MnP1, both in the presence and absence of Mn2+ at either pH 4.0 or pH 7.4, were analyzed. Results showed that Il-MnP1 exhibited higher oxidative activity in the presence of Mn2+ than in the absence of Mn2+ toward the majority of the selected substrates at pH 4.0. Additionally, the similar product compositions suggested that the oxidation of guaiacol mainly belongs to a series of polymeric reactions of radicals initiated by Il-MnP1, whether they were in the presence and absence of Mn2+ at either pH 4.0 or 7.4. Furthermore, two variants (E166G, E166Q) were found using site-directed mutagenesis, to improve the Mn2+-independent oxidative activity significantly. The catalytic efficiency (Kcat/Km) of E166G and E166Q in 2, 6-dimethoxyphenol oxidation was higher than Il-MnP1 by 170 and 34 times, respectively. The study revealed certain differences in catalytic properties between Mn2+ dependent and independent oxidation by Il-MnP1. More importantly, a residue (E166) was related to the Mn2+-independent activity of a short MnP.
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Affiliation(s)
- Liuqing Li
- School of Life Science, Anhui University, Hefei, Anhui Province, China; Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei,Anhui Province, China
| | - Binjie Liu
- School of Life Science, Anhui University, Hefei, Anhui Province, China; Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei,Anhui Province, China
| | - Jun Yang
- School of Life Science, Anhui University, Hefei, Anhui Province, China; Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei,Anhui Province, China
| | - Qiong Zhang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui Province, China
| | - Chao He
- School of Life Science, Anhui University, Hefei, Anhui Province, China; Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei,Anhui Province, China
| | - Rong Jia
- School of Life Science, Anhui University, Hefei, Anhui Province, China; Anhui Key Laboratory of Modern Biomanufacturing, Anhui University, Hefei,Anhui Province, China.
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Lueangjaroenkit P, Teerapatsakul C, Sakka K, Sakka M, Kimura T, Kunitake E, Chitradon L. Two Manganese Peroxidases and a Laccase of Trametes polyzona KU-RNW027 with Novel Properties for Dye and Pharmaceutical Product Degradation in Redox Mediator-Free System. MYCOBIOLOGY 2019; 47:217-229. [PMID: 31448142 PMCID: PMC6691800 DOI: 10.1080/12298093.2019.1589900] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/27/2019] [Accepted: 02/27/2019] [Indexed: 05/25/2023]
Abstract
Two manganese peroxidases (MnPs), MnP1 and MnP2, and a laccase, Lac1, were purified from Trametes polyzona KU-RNW027. Both MnPs showed high stability in organic solvents which triggered their activities. Metal ions activated both MnPs at certain concentrations. The two MnPs and Lac1, played important roles in dye degradation and pharmaceutical products deactivation in a redox mediator-free system. They completely degraded Remazol brilliant blue (25 mg/L) in 10-30 min and showed high degradation activities to Remazol navy blue and Remazol brilliant yellow, while Lac1 could remove 75% of Remazol red. These three purified enzymes effectively deactivated tetracycline, doxycycline, amoxicillin, and ciprofloxacin. Optimal reaction conditions were 50 °C and pH 4.5. The two MnPs were activated by organic solvents and metal ions, indicating the efficacy of using T. polyzona KU-RNW027 for bioremediation of aromatic compounds in environments polluted with organic solvents and metal ions with no need for redox mediator supplements.
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Affiliation(s)
| | - Churapa Teerapatsakul
- Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok, Thailand
| | - Kazuo Sakka
- Laboratory of Applied Microbiology, Graduate School of Bioresources, Mie University, Tsu, Japan
| | - Makiko Sakka
- Laboratory of Applied Microbiology, Graduate School of Bioresources, Mie University, Tsu, Japan
| | - Tetsuya Kimura
- Laboratory of Applied Microbiology, Graduate School of Bioresources, Mie University, Tsu, Japan
| | - Emi Kunitake
- Laboratory of Applied Microbiology, Graduate School of Bioresources, Mie University, Tsu, Japan
| | - Lerluck Chitradon
- Department of Microbiology, Faculty of Science, Kasetsart University, Bangkok, Thailand
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Pawlik A, Ruminowicz-Stefaniuk M, Frąc M, Mazur A, Wielbo J, Janusz G. The wood decay fungus Cerrena unicolor adjusts its metabolism to grow on various types of wood and light conditions. PLoS One 2019; 14:e0211744. [PMID: 30721259 PMCID: PMC6363171 DOI: 10.1371/journal.pone.0211744] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/18/2019] [Indexed: 12/20/2022] Open
Abstract
Cerrena unicolor is a wood-degrading basidiomycete with ecological and biotechnological importance. Comprehensive Biolog-based analysis was performed to assess the metabolic capabilities and sensitivity to chemicals of C. unicolor FCL139 growing in various sawdust substrates and light conditions. The metabolic preferences of the fungus towards utilization of specific substrates were shown to be correlated with the sawdust medium applied for fungus growth and the light conditions. The highest catabolic activity of C. unicolor was observed after fungus precultivation on birch and ash sawdust media. The fungus growing in the dark showed the highest metabolic activity which was indicated by capacity to utilize a broad spectrum of compounds and the decomposition of 74/95 of the carbon sources. In all the culture light conditions, p-hydroxyphenylacetic acid was the most readily metabolized compound. The greatest tolerance to chemicals was also observed during C. unicolor growth in darkness. The fungus was the most sensitive to nitrogen compounds and antibiotics, but more resistant to chelators. Comparative analysis of C. unicolor and selected wood-decay fungi from different taxonomic and ecological groups revealed average catabolic activity of the fungus. However, C. unicolor showed outstanding capabilities to catabolize salicin and arbutin. The obtained picture of C. unicolor metabolism showed that the fungus abilities to decompose woody plant material are influenced by various environmental factors.
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Affiliation(s)
- Anna Pawlik
- Department of Biochemistry, Maria Curie-Skłodowska University, Lublin, Poland
| | | | - Magdalena Frąc
- Institute of Agrophysics, Polish Academy of Sciences, Lublin, Poland
| | - Andrzej Mazur
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Lublin, Poland
| | - Jerzy Wielbo
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Lublin, Poland
| | - Grzegorz Janusz
- Department of Biochemistry, Maria Curie-Skłodowska University, Lublin, Poland
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Pawlik A, Mazur A, Wielbo J, Koper P, Żebracki K, Kubik-Komar A, Janusz G. RNA Sequencing Reveals Differential Gene Expression of Cerrena Unicolor in Response to Variable Lighting Conditions. Int J Mol Sci 2019; 20:ijms20020290. [PMID: 30642073 PMCID: PMC6358801 DOI: 10.3390/ijms20020290] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/04/2019] [Accepted: 01/09/2019] [Indexed: 11/16/2022] Open
Abstract
To elucidate the light-dependent gene expression in Cerrena unicolor FCL139, the transcriptomes of the fungus growing in white, blue, green, and red lighting conditions and darkness were analysed. Among 10,413 all-unigenes detected in C. unicolor, 7762 were found to be expressed in all tested conditions. Transcripts encoding putative fungal photoreceptors in the C. unicolor transcriptome were identified. The number of transcripts uniquely produced by fungus ranged from 20 during its growth in darkness to 112 in the green lighting conditions. We identified numerous genes whose expression differed substantially between the darkness (control) and each of the light variants tested, with the greatest number of differentially expressed genes (DEGs) (454 up- and 457 down-regulated) observed for the white lighting conditions. The DEGs comprised those involved in primary carbohydrate metabolism, amino acid metabolism, autophagy, nucleotide repair systems, signalling pathways, and carotenoid metabolism as defined using Kyoto Encyclopedia of Genes and Genomes (KEGG) database. The analysis of the expression profile of genes coding for lignocellulose-degrading enzymes suggests that the wood-degradation properties of C. unicolor may be independent of the lighting conditions and may result from the overall stimulation of fungal metabolism by daylight.
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Affiliation(s)
- Anna Pawlik
- Department of Biochemistry, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
| | - Andrzej Mazur
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
| | - Jerzy Wielbo
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
| | - Piotr Koper
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
| | - Kamil Żebracki
- Department of Genetics and Microbiology, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
| | - Agnieszka Kubik-Komar
- Chair of Applied Mathematics and Informatics, Lublin University of Life Sciences, Akademicka 13 St., 20-950 Lublin, Poland.
| | - Grzegorz Janusz
- Department of Biochemistry, Maria Curie-Skłodowska University, Akademicka 19 St., 20-033 Lublin, Poland.
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Immobilization of Myceliophthora thermophila
laccase on poly(glycidyl methacrylate) microspheres enhances the degradation of azinphos-methyl. J Appl Polym Sci 2018. [DOI: 10.1002/app.47417] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Oxidative enzymes activity and hydrogen peroxide production in white-rot fungi and soil-borne micromycetes co-cultures. ANN MICROBIOL 2018. [DOI: 10.1007/s13213-018-1413-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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47
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Rekik H, Zaraî Jaouadi N, Bouacem K, Zenati B, Kourdali S, Badis A, Annane R, Bouanane-Darenfed A, Bejar S, Jaouadi B. Physical and enzymatic properties of a new manganese peroxidase from the white-rot fungus Trametes pubescens strain i8 for lignin biodegradation and textile-dyes biodecolorization. Int J Biol Macromol 2018; 125:514-525. [PMID: 30528991 DOI: 10.1016/j.ijbiomac.2018.12.053] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 12/04/2018] [Accepted: 12/04/2018] [Indexed: 12/25/2022]
Abstract
A new manganese peroxidase-producing white-rot basidiomycete fungus was isolated from symptomatic wood of the camphor trees Cinnamomum camphora (L.) at the Hamma Botanical Garden (Algeria) and identified as Trametes pubescens strain i8. The enzyme was purified (MnP TP55) to apparent electrophoretic homogeneity and biochemically characterized. The specific activity and Reinheitzahl value of the purified enzyme were 221 U/mg and 2.25, respectively. MALDI-TOF/MS analysis revealed that the purified enzyme was a monomer with a molecular mass of 55.2 kDa. The NH2-terminal sequence of the first 26 amino acid residues of MnP TP55 showed high similarity with those of white-rot fungal peroxidases. It revealed optimal activity at pH 5 and 40 °C. This peroxidase was completely inhibited by sodium azide and potassium cyanide, suggesting the presence of heme-components in its tertiary structure. Interestingly, MnP TP55 showed higher catalytic efficiency, organic solvent-tolerance, dye-decolorization ability, and detergent-compatibility than that of horseradish peroxidase (HRP) from roots of Armoracia rustanica, manganese peroxidase from Bjerkandera adusta strain CX-9 (MnP BA30), and manganese peroxidase from Phanerochaete chrysosporium (MnP PC). Overall, the findings provide strong support for the potential candidacy of MnP TP55 for environmental applications, mainly the development of enzyme-based technologies for lignin biodegradation, textile-dyes biodecolorization, and detergent formulations.
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Affiliation(s)
- Hatem Rekik
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia; Biotech ECOZYM Start-up, Business Incubator, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia
| | - Nadia Zaraî Jaouadi
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia; Biotech ECOZYM Start-up, Business Incubator, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia
| | - Khelifa Bouacem
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia; Laboratory of Cellular and Molecular Biology, Microbiology Team, Faculty of Biological Sciences, University of Sciences and Technology of Houari Boumediene (USTHB), PO Box 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Bilal Zenati
- National Centre for Research and Development of Fisheries and Aquaculture (CNRDPA), 11, Bd Amirouche PO Box 67, Bou Ismaïl 42415, Tipaza, Algeria
| | - Sidali Kourdali
- National Centre for Research and Development of Fisheries and Aquaculture (CNRDPA), 11, Bd Amirouche PO Box 67, Bou Ismaïl 42415, Tipaza, Algeria
| | - Abdelmalek Badis
- National Centre for Research and Development of Fisheries and Aquaculture (CNRDPA), 11, Bd Amirouche PO Box 67, Bou Ismaïl 42415, Tipaza, Algeria; Laboratory of Natural Products Chemistry and Biomolecules (LNPC-BioM), Faculty of Sciences, University of Blida 1, Road of Soumaâ, PO Box 270, 09000 Blida, Algeria
| | - Rachid Annane
- National Centre for Research and Development of Fisheries and Aquaculture (CNRDPA), 11, Bd Amirouche PO Box 67, Bou Ismaïl 42415, Tipaza, Algeria
| | - Amel Bouanane-Darenfed
- Laboratory of Cellular and Molecular Biology, Microbiology Team, Faculty of Biological Sciences, University of Sciences and Technology of Houari Boumediene (USTHB), PO Box 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Samir Bejar
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia; Biotech ECOZYM Start-up, Business Incubator, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia
| | - Bassem Jaouadi
- Laboratory of Microbial Biotechnology and Engineering Enzymes (LMBEE), Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, PO Box 1177, Sfax 3018, Tunisia; Biotech ECOZYM Start-up, Business Incubator, Centre of Biotechnology of Sfax (CBS), University of Sfax, Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia.
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48
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Microbial manganese peroxidase: a ligninolytic enzyme and its ample opportunities in research. SN APPLIED SCIENCES 2018. [DOI: 10.1007/s42452-018-0046-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Elsayed AM, Hegazy UM, Hegazy MG, Abdel-Ghany SS, Salama WH, Salem AM, Fahmy AS. Purification and biochemical characterization of peroxidase isoenzymes from Ficus carica latex. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.07.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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50
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Zhang J, Sun L, Zhang H, Wang S, Zhang X, Geng A. A novel homodimer laccase from Cerrena unicolor BBP6: Purification, characterization, and potential in dye decolorization and denim bleaching. PLoS One 2018; 13:e0202440. [PMID: 30138464 PMCID: PMC6107187 DOI: 10.1371/journal.pone.0202440] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 08/02/2018] [Indexed: 01/15/2023] Open
Abstract
The white-rot fungus Cerrena unicolor BBP6 produced up to 243.4 U mL-1 laccase. A novel laccase isoform LacA was purified; LacA is a homodimer with an apparent molecular mass of 55 kDa and an isoelectric point of 4.7. Its optimal pH was 2.5, 4.0, and 5.5 when 2, 2'-Azinobis-(3-ethylbenzthiazoline-6-sulphonate) (ABTS), guaiacol, and 2, 6-dimethoxyphenol (2, 6-DMP) were used as the substrates, respectively. The optimal temperature was 60°C for ABTS and 80°C for both guaiacol and 2, 6-DMP. LacA retained 82-92% activity when pH was greater than 4 and 42%-92% activity at or below 50°C. LacA was completely inhibited by 0.1 mM L-cysteine, 1 mM Dithiothreitol, and 10 mM metal ions, Ca2+, Mg2+ and Co2+. LacA had good affinity for ABTS, with a Km of 49.1 μM and a kcat of 3078.9 s-1. It decolorized synthetic dyes at 32.3-87.1%. In the presence of 1-hydroxybenzotriazole (HBT), LacA decolorized recalcitrant dyes such as Safranine (97.1%), Methylene Blue (98.9%), Azure Blue (96.6%) and simulated textile effluent (84.6%). With supplemented manganese peroxidase (MnP), Mn2+ and HBT, the purified LacA and BBP6 fermentation broth showed great potential in denim bleaching, with an up to 5-fold increase in reflectance values.
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Affiliation(s)
- Ji Zhang
- Key Laboratory of Molecular Biophysics of MOE, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Sun
- Key Lab of Green Chemical Technology & High Efficient Energy Saving of Hebei Province, Hebei University of Technology, Tianjin, China
| | - Hao Zhang
- Key Laboratory of Molecular Biophysics of MOE, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Shufang Wang
- Key Lab of Green Chemical Technology & High Efficient Energy Saving of Hebei Province, Hebei University of Technology, Tianjin, China
- * E-mail: (XZ); (SW); (AG)
| | - Xiaoyu Zhang
- Key Laboratory of Molecular Biophysics of MOE, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
- * E-mail: (XZ); (SW); (AG)
| | - Anli Geng
- School of Life Sciences and Chemical Technology, Ngee Ann Polytechnic, Singapore, Singapore
- * E-mail: (XZ); (SW); (AG)
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