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Abdi Dezfouli R, Esmaeilidezfouli E. Optimizing laccase selection for enhanced outcomes: a comprehensive review. 3 Biotech 2024; 14:165. [PMID: 38817737 PMCID: PMC11133268 DOI: 10.1007/s13205-024-04015-5] [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: 03/25/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Despite their widespread applications in sectors such as pulp and paper, textile, food and beverage, pharmaceuticals, and biofuel production, laccases encounter challenges related to their activity and stability under varying reaction conditions. This review accumulates data on the complex interplay between laccase characteristics and reaction conditions for maximizing their efficacy in diverse biotechnological processes. Benefits of organic media such as improved substrate selectivity and reaction control, and their risks such as enzyme denaturation and reduced activity are reported. Additionally, the effect of reaction conditions such as pH and temperature on laccase activity and stability are gathered and reported. Sources like Bacillus pumilus, Alcaligenes faecalis, Bacillus clausii, and Bacillus tequilensis SN4 are producing laccases that are both thermo-active and alkali-active. Additionally, changes induced by the presence of various substances within reaction media such as metals, inhibitors, and organic solvents are also reported. Bacillus pumilus and Bacillus licheniformis LS04 produce the most resistant laccases in this case. Finally, the remarkable laccases have been highlighted and the proper laccase source for each industrial application is suggested. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-024-04015-5.
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Affiliation(s)
- Ramin Abdi Dezfouli
- Pharmaceutical Biotechnology Department, Faculty of Pharmacy and Pharmaceutical Sciences, Tehran University of Medical Sciences, Tehran, 1411413137, Iran
| | - Ensieh Esmaeilidezfouli
- Microbial Biotechnology Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
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2
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Alhujaily A, Mawad AMM, Albasri HM, Fuying M. Efficiency of thermostable purified laccase isolated from Physisporinus vitreus for azo dyes decolorization. World J Microbiol Biotechnol 2024; 40:138. [PMID: 38509412 DOI: 10.1007/s11274-024-03953-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 03/12/2024] [Indexed: 03/22/2024]
Abstract
Laccases are versatile biocatalysts that are prominent for industrial purposes due to their extensive substrate specificity. Therefore, this research investigated producing laccase from Physisporinus vitreus via liquid fermentation. The results revealed that veratryl alcohol (4mM) was the most effective inducer 7500U/L. On the other hand, Zn ions inhibited laccase production. The optimum carbon and nitrogen sources were glucose and tryptone by 5200 and 3300 U/L, respectively. Moreover, solvents exhibited various impacts on the enzyme activity at three different solvent concentrations (5%, 10% and 20%), however, it showed a highest activity at 5% of the investigated solvent. Ferric ions inhibited the enzyme activity. In addition, the enzyme has a high ability to decolorize azo dyes when using syringaldehyde as a mediator. The purified laccase from Physisporinus vitreus is a promising substance to be used for industrial and environmental applications due to its stability under harsh conditions and efficiency in decolorization of dyes.
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Affiliation(s)
- Ahmad Alhujaily
- Department of Biology, College of Science, Taibah University, Madinah, 30001, Saudi Arabia.
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
| | - Asmaa M M Mawad
- Department of Biology, College of Science, Taibah University, Madinah, 30001, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Hibah M Albasri
- Department of Biology, College of Science, Taibah University, Madinah, 30001, Saudi Arabia
| | - Ma Fuying
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
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3
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Behshad Y, Pazhang M, Najavand S, Sabzi M. Enhancing Enzyme Stability and Functionality: Covalent Immobilization of Trypsin on Magnetic Gum Arabic Modified Fe 3O 4 Nanoparticles. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04830-1. [PMID: 38153653 DOI: 10.1007/s12010-023-04830-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
This study aimed to fabricate gum Arabic (GA)-coated Fe3O4 nanoparticles bearing numerous active aldehyde groups on their surface, followed by an assessment of their capability as a magnetic support for the covalent immobilization of the trypsin enzyme for the first time. FT-IR, XRD, TGA, and SEM results demonstrated the successful synthesis of GA-coated Fe3O4 nanoparticles, along with the covalent immobilization of the enzyme onto the support. Immobilization enhanced the relative enzymatic activity across a range of aqueous solution pH levels (ranging from 4 to 11) and temperatures (ranging from 20 to 80 °C) without altering the optimum pH and temperature for trypsin activity. Kinetic studies using Michaelis-Menten plots revealed changes in kinetic parameters, including a lower Vmax and higher Km for immobilized trypsin compared to the free enzyme. The immobilization onto magnetic gum Arabic nanoparticles resulted in an improved stability of trypsin in the presence of various solvents, maintaining a stability order comparable to that of the free enzyme due to the stabilizing effect of the support. The reusability results showed that the immobilized enzyme can retain over 93% of its activity for up to 15 cycles.
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Affiliation(s)
- Yasaman Behshad
- Department of Cellular and Molecular Biology, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Mohammad Pazhang
- Department of Cellular and Molecular Biology, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran.
| | - Saeed Najavand
- Department of Cellular and Molecular Biology, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
| | - Mohammad Sabzi
- Department of Mechanical Engineering, North Dakota State University, Fargo, ND, 58102, USA.
- Department of Chemical Engineering, Faculty of Engineering, University of Maragheh, Maragheh, 55181-83111, Iran.
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da Rocha AB, de Aquino Saraiva R, de Siqueira VM, Yogui GT, de Souza Bezerra R, de Assis CRD, Sousa MSB, de Souza Buarque D. Shrimp laccase degrades polycyclic aromatic hydrocarbons from an oil spill disaster in Brazil: A tool for marine environmental bioremediation. MARINE POLLUTION BULLETIN 2023; 194:115445. [PMID: 37639916 DOI: 10.1016/j.marpolbul.2023.115445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/19/2023] [Accepted: 08/20/2023] [Indexed: 08/31/2023]
Abstract
Our work aims to purify, characterize and evaluate a laccase from by-products of the shrimp farming industry (Litopenaeus vannamei) for the degradation of Polycyclic Aromatic Hydrocarbons (PAHs) from 2019 oil spill in Brazilian coast. The enzyme was purified by affinity chromatography and characterized as thermostable, with activity above 90 °C and at alkaline pH. In addition, the laccase was also tolerant to copper, lead, cadmium, zinc, arsenic, hexane and methanol, with significant enzymatic activation in acetone and 10 mM mercury. Concerning PAHs' degradation, the enzyme degraded 42.40 % of the total compounds, degrading >50 % of fluorene, C4-naphthalenes, C3-naphthalenes, C2-naphthalenes, anthracene, acenaphthene, 1-methylnaphthalene and 2-methylnaphthalene. Thus, this laccase demonstrated important characteristics for bioremediation of marine environments contaminated by crude oil spills, representing a viable and ecological alternative for these purposes.
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Affiliation(s)
- Amanda Barbosa da Rocha
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Pernambuco, Fazenda Saco, s/n, Serra Talhada, PE 55608-680, Brazil; Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil
| | - Rogério de Aquino Saraiva
- Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil; Universidade Federal do Cariri, Campus Brejo Santo, Brejo Santo, Ceará 63048-080, Brazil
| | - Virgínia Medeiros de Siqueira
- Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil; Departamento de Biologia, Universidade Federal Rural de Pernambuco, Recife, Pernambuco 52171-900, Brazil.
| | - Gilvan Takeshi Yogui
- Departamento de Oceanografia, Universidade Federal de Pernambuco, Recife, Pernambuco 50740-550, Brazil.
| | - Ranilson de Souza Bezerra
- Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, Pernambuco 50670-901, Brazil
| | | | | | - Diego de Souza Buarque
- Universidade Federal Rural de Pernambuco, Unidade Acadêmica de Serra Talhada, Pernambuco, Fazenda Saco, s/n, Serra Talhada, PE 55608-680, Brazil; Programa de Pós-graduação em Biodiversidade e Conservação, UFRPE/UAST, 55608-680, Brazil.
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Marino I, Pignataro E, Danzi D, Cellini F, Cardellicchio C, Biundo A, Pisano I, Capozzi MAM. A comparative screening of laccase-mediator systems by white-rot fungi laccases for biocatalytic benzyl alcohol oxidation. Sci Rep 2022; 12:21602. [PMID: 36517502 PMCID: PMC9751274 DOI: 10.1038/s41598-022-24839-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 11/21/2022] [Indexed: 12/15/2022] Open
Abstract
Production of value-added compounds from waste materials is of utmost importance for the development of a sustainable society especially regarding their use as catalysts in industrially relevant synthetic reactions. Herein, we show the production of laccases from four white-rot fungi, which were grown on agricultural residues, specifically Trametes versicolor 11269, Pleurotus ostreatus 1020, Panus tigrinus 707 and Lentinula edodes SC-495. The produced laccases were tested on a laccase-mediator system (LMS) for the biocatalytic oxidation of the model substrate benzyl alcohol into benzaldehyde. The LMS was carried out in the presence both of tetrahydrofuran as co-solvent and of the mediator 2,2,6,6-tetramethyl-1-piperidinyloxyl (TEMPO) due to its high redox potential and its ability to perform the oxidation. Tolerance studies showed that the dialyzed solutions were able to tolerate 1% (99:1 v/v) of co-solvent, whereas a concentration of 10% v/v had a detrimental activity. Performances in the biocatalytic oxidation of laccase solutions from different purification steps were compared. Similar conversion was observed for laccase in dialysis (raw) and gel filtration (GF) product versus commercial T. versicolor laccase. The latter oxidized almost 99% of substrate while the other laccase solutions were able to reach a conversion from 91% for the laccase solution from P. tigrinus 707 after dialysis, to 50% for the laccase solution from P. ostreatus 1020 after gel filtration. This work highlights the potential of unpurified laccase solutions to be used as catalysts in synthetic reactions.
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Affiliation(s)
- Ivana Marino
- Agenzia Lucana di Sviluppo e Innovazione in Agricoltura (ALSIA), Centro Ricerche Metapontum Agrobios, SS. Jonica 106, Km 448, 2, 75012 Bernalda, Italy
| | - Eugenia Pignataro
- Agenzia Lucana di Sviluppo e Innovazione in Agricoltura (ALSIA), Centro Ricerche Metapontum Agrobios, SS. Jonica 106, Km 448, 2, 75012 Bernalda, Italy ,grid.7644.10000 0001 0120 3326Department of Chemistry, University of Bari Aldo Moro, Via Edoardo Orabona 4, 70125 Bari, Italy
| | - Donatella Danzi
- grid.5326.20000 0001 1940 4177Institute of Biosciences and Bioresources, National Research Council, 70126 Bari, Italy
| | - Francesco Cellini
- Agenzia Lucana di Sviluppo e Innovazione in Agricoltura (ALSIA), Centro Ricerche Metapontum Agrobios, SS. Jonica 106, Km 448, 2, 75012 Bernalda, Italy
| | - Cosimo Cardellicchio
- grid.7644.10000 0001 0120 3326CNR ICCOM, Department of Chemistry, University of Bari Aldo Moro, Via Edoardo Orabona 4, 70125 Bari, Italy
| | - Antonino Biundo
- grid.7644.10000 0001 0120 3326Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari Aldo Moro, Via Edoardo Orabona 4, 70125 Bari, Italy
| | - Isabella Pisano
- grid.7644.10000 0001 0120 3326Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari Aldo Moro, Via Edoardo Orabona 4, 70125 Bari, Italy
| | - Maria Annunziata M. Capozzi
- grid.7644.10000 0001 0120 3326Department of Chemistry, University of Bari Aldo Moro, Via Edoardo Orabona 4, 70125 Bari, Italy
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Wang X, Zhao Y, Zhang S, Lin X, Liang H, Chen Y, Ji C. Heterologous Expression of the Lactobacillus sakei Multiple Copper Oxidase to Degrade Histamine and Tyramine at Different Environmental Conditions. Foods 2022; 11:3306. [PMCID: PMC9601898 DOI: 10.3390/foods11203306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Biogenic amines (BAs) are produced by microbial decarboxylation in various foods. Histamine and tyramine are recognized as the most toxic of all BAs. Applying degrading amine enzymes such as multicopper oxidase (MCO) is considered an effective method to reduce BAs in food systems. This study analyzed the characterization of heterologously expressed MCO from L. sakei LS. Towards the typical substrate 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), the optimal temperature and pH for recombinant MCO (rMCO) were 25 °C and 3.0, respectively, with the specific enzyme activity of 1.27 U/mg. Then, the effect of different environmental factors on the degrading activity of MCO towards two kinds of BAs was investigated. The degradation activity of rMCO is independent of exogenous copper and mediators. Additionally, the oxidation ability of rMCO was improved for histamine and tyramine with an increased NaCl concentration. Several food matrices could influence the amine-oxidizing activity of rMCO. Although the histamine-degrading activities of rMCO were affected, this enzyme reached a degradation rate of 28.1% in the presence of surimi. Grape juice improved the tyramine degradation activity of rMCO by up to 31.18%. These characteristics of rMCO indicate that this enzyme would be a good candidate for degrading toxic biogenic amines in food systems.
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Affiliation(s)
- Xiaofu Wang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Yunsong Zhao
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Sufang Zhang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Xinping Lin
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
- Department of Agricultural, Forest and Food Sciences, University of Torino, 10121-10156 Turin, Italy
| | - Huipeng Liang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Yingxi Chen
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
| | - Chaofan Ji
- School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National Engineering Research Center of Seafood, Dalian 116034, China
- Correspondence: or
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Quantitative assessment of enzymatic processes applied to flavour and fragrance standard compounds using gas chromatography with flame ionisation detection. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1209:123412. [PMID: 35970072 DOI: 10.1016/j.jchromb.2022.123412] [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: 04/20/2022] [Revised: 07/19/2022] [Accepted: 08/06/2022] [Indexed: 11/24/2022]
Abstract
The performance of different enzymes towards the bioprocessing of aroma-related compounds was investigated and a strategy based on GC-FID analysis was developed to facilitate assessment of the stages of characterisation, screening and optimisation, including chiral ratio determination. Characterisation included activity assays (UV-Vis and GC-FID), protein quantification (NanoDrop spectrophotometry) and molar mass estimation (SDS-PAGE electrophoresis). Screening experiments assessed different enzymes, substrates, solvents, acyl donors or mediators. Aroma-related substrates comprised terpene and phenolic compounds. The enzymes tested included the lipases CALA (Sigma-Aldrich), NZ-435, LZ-TLIM, NC-ADL, LZ-CALBL and the laccases NZ-51003 and DL-IIS (all from Novozymes). Among those, NZ-435 and NZ-51003 had the highest activities in the characterisation stage and, along with CALA, achieved conversions above 70% for citronellol (lipases) or 50% for eugenol (laccases) at the screening stage. The lipases had preference for the primary alcohol and laccases for phenolic compounds, among the tested substrates. The transesterification reaction between the lipase CALA and the standards mixture (citronellol, menthol, linalool) was used to demonstrate the optimisation stage, where the best levels of temperature, enzyme and acyl donor concentrations were investigated. Optimum conditions were found to be 37-40 °C, 3-4 mg/mL of enzyme and 58-60% (v/v) vinyl acetate. Additional confirmation experiments using the same terpene standards mixture and citronella oil sample, gave a conversion of > 95% for citronellol after 1 h (for both, standards mixture and sample), and 20% or 74% for menthol after 1 h or 24 h, respectively. None of the tested enzymes demonstrated significant enantioselectivity under the tested conditions. The GC-FID approach demonstrated here was suitable to determine the reaction profiles and chiral ratio variations for biocatalysed reactions with aroma compounds in low complexity samples. Advanced separations will be applied to more complex samples in the future.
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Thiolation of Myco-Synthesized Fe3O4-NPs: A Novel Promising Tool for Penicillium expansium Laccase Immobilization to Decolorize Textile Dyes and as an Application for Anticancer Agent. J Fungi (Basel) 2022; 8:jof8010071. [PMID: 35050011 PMCID: PMC8777717 DOI: 10.3390/jof8010071] [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: 12/13/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 01/27/2023] Open
Abstract
Environmental pollution due to the continuous uncontrolled discharge of toxic dyes into the water bodies provides insight into the need to eliminate pollutants prior to discharge is significantly needed. Recently, the combination of conventional chemotherapeutic agents and nanoparticles has attracted considerable attention. Herein, the magnetic nanoparticles (Fe3O4-NPs) were synthesized using metabolites of Aspergillus niger. Further, the surfaces of Fe3O4-NPs were functionalized using 3-mercaptoproionic acid as confirmed by XRD, TEM, and SEM analyses. A purified P. expansum laccase was immobilized onto Fe3O4/3-MPA-SH and then the developed immobilized laccase (Fe3O4/3-MPA-S-S-laccase) was applied to achieve redox-mediated degradation of different dyes. The Fe3O4/3-MPA-S-S-laccase exhibited notably improved stability toward pH, temperature, organic solvents, and storage periods. The Fe3O4/3-MPA-S-S-laccase exhibited appropriate operational stability while retaining 84.34% of its initial activity after 10 cycles. The catalytic affinity (Kcat/Km) of the immobilized biocatalyst was increased above 10-fold. The experimental data showed remarkable improvement in the dyes’ decolorization using the immobilized biocatalyst in the presence of a redox mediator in seven successive cycles. Thus, the prepared novel nanocomposite-laccase can be applied as an alternative promising strategy for bioremediation of textile wastewater. The cytotoxic level of carboplatin and Fe3O4-NPs singly or in combination on various cell lines was concentration-dependent.
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Tocco D, Carucci C, Todde D, Shortall K, Otero F, Sanjust E, Magner E, Salis A. Enzyme immobilization on metal organic frameworks: Laccase from Aspergillus sp. is better adapted to ZIF-zni rather than Fe-BTC. Colloids Surf B Biointerfaces 2021; 208:112147. [PMID: 34634655 DOI: 10.1016/j.colsurfb.2021.112147] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 11/27/2022]
Abstract
Laccase from Aspergillus sp. (LC) was immobilized within Fe-BTC and ZIF-zni metal organic frameworks through a one-pot synthesis carried out under mild conditions (room temperature and aqueous solution). The Fe-BTC, ZIF-zni MOFs, and the LC@Fe-BTC, LC@ZIF-zni immobilized LC samples were characterized by X-ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, and thermogravimetric analysis. The kinetic parameters (KM and Vmax) and the specific activity of the free and immobilized laccase were determined. Immobilized LCs resulted in a lower specific activity compared with that of the free LC (7.7 µmol min-1 mg-1). However, LC@ZIF-zni was almost 10 times more active than LC@Fe-BTC (1.32 µmol min-1 mg-1 vs 0.17 µmol min-1 mg-1) and only 5.8 times less active than free LC. The effect of enzyme loading showed that LC@Fe-BTC had an optimal loading of 45.2 mg g-1, at higher enzyme loadings the specific activity decreased. In contrast, the specific activity of LC@ZIF-zni increased linearly over the loading range investigated. The storage stability of LC@Fe-BTC was low with a significant decrease in activity after 5 days, while LC@ZIF retained up to 50% of its original activity after 30 days storage. The difference in activity and stability between LC@Fe-BTC and LC@ZIF-zni is likely due to release of Fe3+ and the low stability of Fe-BTC MOF. Together, these results indicate that ZIF-zni is a superior support for the immobilization of laccase.
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Affiliation(s)
- Davide Tocco
- Department of Chemical and Geological Sciences, University of Cagliari, and Centro NanoBiotecnologie Sardegna (CNBS), Cittadella Universitaria, SS 554 bivio Sestu, 09042, Monserrato (CA), Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy; Unità Operativa University of Cagliari, Italy; Cittadella Universitaria, SS 554 bivio Sestu, 09042 Monserrato (CA), Italy
| | - Cristina Carucci
- Department of Chemical and Geological Sciences, University of Cagliari, and Centro NanoBiotecnologie Sardegna (CNBS), Cittadella Universitaria, SS 554 bivio Sestu, 09042, Monserrato (CA), Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy; Unità Operativa University of Cagliari, Italy; Cittadella Universitaria, SS 554 bivio Sestu, 09042 Monserrato (CA), Italy.
| | - Debora Todde
- Department of Chemical and Geological Sciences, University of Cagliari, and Centro NanoBiotecnologie Sardegna (CNBS), Cittadella Universitaria, SS 554 bivio Sestu, 09042, Monserrato (CA), Italy
| | - Kim Shortall
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Fernando Otero
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Enrico Sanjust
- Department of Biomedical Sciences, University of Cagliari, Cittadella Universitaria, SS 554 bivio Sestu, 09042 Monserrato (CA), Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy; Unità Operativa University of Cagliari, Italy; Cittadella Universitaria, SS 554 bivio Sestu, 09042 Monserrato (CA), Italy
| | - Edmond Magner
- Department of Chemical Sciences and Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland.
| | - Andrea Salis
- Department of Chemical and Geological Sciences, University of Cagliari, and Centro NanoBiotecnologie Sardegna (CNBS), Cittadella Universitaria, SS 554 bivio Sestu, 09042, Monserrato (CA), Italy; Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase (CSGI), via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy; Unità Operativa University of Cagliari, Italy; Cittadella Universitaria, SS 554 bivio Sestu, 09042 Monserrato (CA), Italy.
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das Graças Nascimento Amorim A, Sánchez-Paniagua M, de Oliveira TM, Mafud AC, da Silva DA, de Souza de Almeida Leite JR, López-Ruiz B. Synthesis, characterization and use of enzyme cashew gum nanoparticles for biosensing applications. J Mater Chem B 2021; 9:6825-6835. [PMID: 34369539 DOI: 10.1039/d1tb01164b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This research reports, for the first time, the immobilization of an enzyme - Rhus vernificera laccase - on cashew gum (CG) nanoparticles (NPs) and its application as a biological layer in the design and development of an electrochemical biosensor. Laccase-CG nanoparticles (LacCG-NPs) were prepared by the nanoprecipitation method and characterized by UV-Vis spectrophotometry, atomic force microscopy, scanning electron microscopy, attenuated total reflectance-Fourier-transform infrared spectroscopy, circular dichroism, cyclic voltammetry, and electrochemical impedance spectroscopy. The average size and stability of the NPs were predicted by DLS and zeta potential. The ATR-FTIR results clearly demonstrated an interaction between -NH and -OH groups to form LacCG-NPs. The average size found for LacCG-NPs was 280 ± 53 nm and a polydispersity index of 0.309 ± 0.08 indicated a good particle size distribution. The zeta potential shows a good colloidal stability. The use of a natural product to prepare the enzymatic nanoparticles, its easy synthesis and the immobilization efficiency should be highlighted. LacCG-NPs were successfully applied as a biolayer in the development of an amperometric biosensor for catechol detection. The resulting device showed a low response time (6 s), good sensitivity (7.86 μA μM-1 cm-2), wide linear range of 2.5 × 10-7-2.0 × 10-4 M, and low detection limit (50 nM).
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11
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Si J, Ma H, Cao Y, Cui B, Dai Y. Introducing a Thermo-Alkali-Stable, Metallic Ion-Tolerant Laccase Purified From White Rot Fungus Trametes hirsuta. Front Microbiol 2021; 12:670163. [PMID: 34093489 PMCID: PMC8176223 DOI: 10.3389/fmicb.2021.670163] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/20/2021] [Indexed: 11/13/2022] Open
Abstract
This study introduces a valuable laccase, designated ThLacc-S, purified from white rot fungus Trametes hirsuta. ThLacc-S is a monomeric protein in nature with a molecular weight of 57.0 kDa and can efficiently metabolize endocrine disrupting chemicals. The enzyme was successfully purified to homogeneity via three consecutive steps consisting of salt precipitation and column chromatography, resulting in a 20.76-fold increase in purity and 46.79% yield, with specific activity of 22.111 U/mg protein. ThLacc-S was deciphered as a novel member of the laccase family and is a rare metalloenzyme that contains cysteine, serine, histidine, and tyrosine residues in its catalytic site, and follows Michaelis-Menten kinetic behavior with a K m and a k cat /K m of 87.466 μM and 1.479 s-1μM-1, respectively. ThLacc-S exerted excellent thermo-alkali stability, since it was markedly active after a 2-h incubation at temperatures ranging from 20 to 70°C and retained more than 50% of its activity after incubation for 72 h in a broad pH range of 5.0-10.0. Enzymatic activities of ThLacc-S were enhanced and preserved when exposed to metallic ions, surfactants, and organic solvents, rendering this novel enzyme of interest as a green catalyst for versatile biotechnological and industrial applications that require these singularities of laccases, particularly biodegradation and bioremediation of environmental pollutants.
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Affiliation(s)
- Jing Si
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
| | - Hongfei Ma
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
| | - Yongjia Cao
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
| | - Baokai Cui
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
| | - Yucheng Dai
- Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China
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Abstract
Laccases are multicopper oxidases, which have been widely investigated in recent decades thanks to their ability to oxidize organic substrates to the corresponding radicals while producing water at the expense of molecular oxygen. Besides their successful (bio)technological applications, for example, in textile, petrochemical, and detoxifications/bioremediations industrial processes, their synthetic potentialities for the mild and green preparation or selective modification of fine chemicals are of outstanding value in biocatalyzed organic synthesis. Accordingly, this review is focused on reporting and rationalizing some of the most recent and interesting synthetic exploitations of laccases. Applications of the so-called laccase-mediator system (LMS) for alcohol oxidation are discussed with a focus on carbohydrate chemistry and natural products modification as well as on bio- and chemo-integrated processes. The laccase-catalyzed Csp2-H bonds activation via monoelectronic oxidation is also discussed by reporting examples of enzymatic C-C and C-O radical homo- and hetero-couplings, as well as of aromatic nucleophilic substitutions of hydroquinones or quinoids. Finally, the laccase-initiated domino/cascade synthesis of valuable aromatic (hetero)cycles, elegant strategies widely documented in the literature across more than three decades, is also presented.
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Méndez MB, Trelles JA, Rivero CW. Decitabine bioproduction using a biocatalyst with improved stability by adding nanocomposites. AMB Express 2020; 10:173. [PMID: 32990767 PMCID: PMC7524979 DOI: 10.1186/s13568-020-01109-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 09/09/2020] [Indexed: 01/05/2023] Open
Abstract
A novel IDA-LaNDT derivative was able to reach the highest productivity in the biosynthesis of a well-known antitumoral agent called decitabine. However, the combination of two simple and inexpensive techniques such as ionic absorption and gel entrapment with the incorporation of a bionanocomposite such as bentonite significantly improved the stability of this biocatalyst. These modifications allowed the enhancement of storage stability (for at least 18 months), reusability (400 h of successive batches without significant loss of its initial activity), and thermal and solvent stability with respect to the non-entrapped derivative. Moreover, reaction conditions were optimized by increasing the solubility of 5-aza by dilution with dimethylsulfoxide. Therefore, a scale-up of the bioprocess was assayed using the developed biocatalyst, obtaining 221 mg/L·h of DAC. Finally, green parameters were calculated using the nanostabilized biocatalyst, whose results indicated that it was able to biosynthesize DAC by a smooth, cheap, and environmentally friendly methodology.![]()
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Duru Kamaci U, Peksel A. Enhanced Catalytic Activity of Immobilized Phytase into Polyvinyl Alcohol-Sodium Alginate Based Electrospun Nanofibers. Catal Letters 2020. [DOI: 10.1007/s10562-020-03339-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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Li M, Wilkins M. Fed-batch cultivation and adding supplements to increase yields of polyhydroxybutyrate production by Cupriavidus necator from corn stover alkaline pretreatment liquor. BIORESOURCE TECHNOLOGY 2020; 299:122676. [PMID: 31924491 DOI: 10.1016/j.biortech.2019.122676] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 12/19/2019] [Accepted: 12/21/2019] [Indexed: 06/10/2023]
Abstract
The aim of this study was to evaluate polyhydroxybutyrate (PHB) production and productivity with supplements under fed-batch cultivation at bioreactor scale (1.3 L). In this study, multiple supplements including oxidative enzyme, mediators, surfactants and silicon nanoparticles were added to Cupriavidus necator culture growing on alkaline pretreatment liquor (APL). At 1.3 L bioreactor scale, PHB production reached 3.3 g/L. To further enhance PHB production, fed-batch cultivation with two different feeding strategies were applied. Under single pulse feeding of 300 mL medium, PHB production reached 4.0 g/L. Under 4 pulses feeding of 75 mL medium each time, PHB production reached 4.5 g/L. This is the highest PHB production from lignin that the authors are aware of in literature.
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Affiliation(s)
- Mengxing Li
- Department of Biological Systems Engineering, The University of Nebraska-Lincoln, Lincoln 68583 USA; Department of Statistics, The University of Nebraska-Lincoln, Lincoln 68583 USA
| | - Mark Wilkins
- Department of Biological Systems Engineering, The University of Nebraska-Lincoln, Lincoln 68583 USA; Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln 68588 USA; Industrial Agricultural Products Center, University of Nebraska-Lincoln, Lincoln 68583 USA.
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Javadzadeh SG, Asoodeh A. A novel textile dye degrading extracellular laccase from symbiotic bacterium of Bacillus sp. CF96 isolated from gut termite (Anacanthotermes). Int J Biol Macromol 2020; 145:355-363. [DOI: 10.1016/j.ijbiomac.2019.12.205] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 12/15/2019] [Accepted: 12/23/2019] [Indexed: 12/07/2022]
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17
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Cisneros BT, Devaraj NK. Laccase-Mediated Catalyzed Fluorescent Reporter Deposition for Live-Cell Imaging. Chembiochem 2020; 21:98-102. [PMID: 31556173 DOI: 10.1002/cbic.201900593] [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: 09/24/2019] [Indexed: 11/12/2022]
Abstract
Catalyzed reporter deposition (CARD) is a widely established method for labeling biological samples analyzed using microscopy. Horseradish peroxidase, commonly used in CARD to amplify reporter signals, requires the addition of hydrogen peroxide, which may perturb samples used in live-cell microscopy. Herein we describe an alternative method of performing CARD using a laccase enzyme, which does not require exogenous hydrogen peroxide. Laccase is an oxidative enzyme which can carry out single-electron oxidations of phenols and related compounds by reducing molecular oxygen. We demonstrate proof-of-concept for this technique through the nontargeted covalent labeling of bovine serum albumin using a fluorescently labeled ferulic acid derivative as the laccase reporter substrate. We further demonstrate the viability of this approach by performing live-cell CARD with an antibody-conjugated laccase against a surface-bound target. CARD using laccase produces an amplified fluorescence signal by labeling cells without the need for exogenous hydrogen peroxide.
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Affiliation(s)
- Brandon T Cisneros
- Department of Chemistry and Biochemistry, University of California-San Diego, 9500 Gilman Drive, La Jolla, CA, 92037, USA
| | - Neal K Devaraj
- Department of Chemistry and Biochemistry, University of California-San Diego, 9500 Gilman Drive, La Jolla, CA, 92037, USA
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Sadeghian I, Rezaie Z, Rahmatabadi SS, Hemmati S. Biochemical insights into a novel thermo/organo tolerant bilirubin oxidase from Thermosediminibacter oceani and its application in dye decolorization. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.09.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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Wu MH, Lin MC, Lee CC, Yu SM, Wang AHJ, Ho THD. Enhancement of laccase activity by pre-incubation with organic solvents. Sci Rep 2019; 9:9754. [PMID: 31278318 PMCID: PMC6611822 DOI: 10.1038/s41598-019-45118-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 05/23/2019] [Indexed: 11/09/2022] Open
Abstract
Laccases that are tolerant to organic solvents are powerful bio-catalysts with broad applications in biotechnology. Most of these uses must be accomplished at high concentration of organic solvents, during which proteins undergo unfolding, thereby losing enzyme activity. Here we show that organic-solvent pre-incubation provides effective and reversible 1.5- to 4.0-fold enhancement of enzyme activity of fungal laccases. Several organic solvents, including acetone, methanol, ethanol, DMSO, and DMF had an enhancement effect among all laccases studied. The enhancement was not substrate-specific and could be observed by using both phenolic and non-phenolic substrates. Laccase preincubated with organic solvents was sensitive to high temperature but remained stable at 25 °C, for an advantage for long-term storage. The acetone-pre-incubated 3-D structure of DLac, a high-efficiency fungal laccase, was determined and confirmed that the DLac protein structure remains intact and stable at a high concentration of organic solvent. Moreover, the turnover rates of fungal laccases were improved after organic-solvent pre-incubation, with DLac showing the highest enhancement among the fungal laccases examined. Our investigation sheds light on improving fungal laccase usage under extreme conditions and extends opportunities for bioremediation, decolorization, and organic synthesis.
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Affiliation(s)
- Meng-Hsuan Wu
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, 11529, Taiwan, ROC.,Department of Life Sciences, National Cheng Kung University, Tainan, 701, Taiwan, ROC
| | - Meng-Chun Lin
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, 11529, Taiwan, ROC
| | - Cheng-Chung Lee
- Institute of Biological Chemistry, Academia Sinica, Taipei, 11529, Taiwan, ROC
| | - Su-May Yu
- Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan, ROC.,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, 402, Taiwan, ROC.,Department of Life Sciences, National Chung Hsing University, Taichung, 402, Taiwan, ROC
| | - Andrew H-J Wang
- Institute of Biological Chemistry, Academia Sinica, Taipei, 11529, Taiwan, ROC
| | - Tuan-Hua David Ho
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, 11529, Taiwan, ROC. .,Agricultural Biotechnology Center, National Chung Hsing University, Taichung, 402, Taiwan, ROC. .,Department of Life Sciences, National Chung Hsing University, Taichung, 402, Taiwan, ROC.
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Risi C, Zhao F, Castagnolo D. Chemo-Enzymatic Metathesis/Aromatization Cascades for the Synthesis of Furans: Disclosing the Aromatizing Activity of Laccase/TEMPO in Oxygen-Containing Heterocycles. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02452] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Caterina Risi
- School of Cancer and Pharmaceutical Sciences, King’s College London, Franklin Wilkins Building, 150 Stamford Street, SE1 9NH London, United Kingdom
| | - Fei Zhao
- School of Cancer and Pharmaceutical Sciences, King’s College London, Franklin Wilkins Building, 150 Stamford Street, SE1 9NH London, United Kingdom
| | - Daniele Castagnolo
- School of Cancer and Pharmaceutical Sciences, King’s College London, Franklin Wilkins Building, 150 Stamford Street, SE1 9NH London, United Kingdom
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21
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Immobilization of endoglucanase Cel9A on chitosan nanoparticles leads to its stabilization against organic solvents: the use of polyols to improve the stability. 3 Biotech 2019; 9:269. [PMID: 31218180 DOI: 10.1007/s13205-019-1794-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/03/2019] [Indexed: 12/21/2022] Open
Abstract
The immobilization of enzymes improves their stability in non-conventional media such as organic solvents. In this work, the effects of solvents (DMSO, methanol, ethanol, and n-propanol) on the endoglucanase Cel9A activity and stability were studied. Then, the enzymes were stabilized by its immobilization on chitosan nanoparticles and also using polyols (sorbitol and glycerol) against organic solvents. The SEM results illustrated that the chitosan nanoparticles had about 40 nm diameter. The results indicated that the organic solvents, especially n-propanol, decreased the activity of the free and immobilized enzymes. The reduced activity of the immobilized enzyme was less than that of the free enzyme. Our studies about the enzymes' stability showed that the free and immobilized enzymes in hydrophobic solvents (with high log P) had the lowest stability compared to other solvents as we observed the half-life of the free enzyme in n-propanol solvent was 2.84 min, and the half-life of the immobilized enzyme was 4.98 min in n-propanol and ethanol solvents 4.50 min. Analysis of the combinatory effects of polyols (sorbitol and glycerol) and the solvents on the stability revealed that sorbitol and glycerol had the most stabilizing effect on the free enzyme in hydrophilic (DMSO) and hydrophobic (n-propanol) solvents, respectively. However, the stabilizing effects of polyols in the immobilized enzyme were independent of the solvents' hydrophobicity (or log P) due to the hydrophilic properties of chitosan nanoparticles. Therefore, one can conclude that the physiochemical properties of nanoparticles (such as hydrophilicity) influence the stabilizing effects of polyols on immobilized enzyme.
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Palazzolo MA, Postemsky PD, Kurina-Sanz M. From agro-waste to tool: biotechnological characterization and application of Ganoderma lucidum E47 laccase in dye decolorization. 3 Biotech 2019; 9:213. [PMID: 31114737 DOI: 10.1007/s13205-019-1744-2] [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: 12/06/2018] [Accepted: 05/08/2019] [Indexed: 10/26/2022] Open
Abstract
The culture of fungal species from agro-waste allows for the sustainable preparation of valuable biotechnological products and contributes to establish the Circular Economy concept. The Ganoderma lucidum species is well known as producer of laccases (EC 1.10.3.2), which serves as a tool to oxidize chemicals. When producing G. lucidum E47 basidiomes with edible purposes out of rice crop residues, its laccase remains as by-product. In this work, we report the biotechnological characterization and application of the laccase recovered from spent cultures of the G. lucidum E47 strain. We detected at least one polypeptide (ca. 59 kDa) which displays attractive activity and stability values when used in the range of 18-45 °C in mildly acidic environment (pH 4.8-5.8). These parameters can be enhanced in the presence of organic cosolvents such as butyl acetate and methyl iso-butyl ketone, but the opposite effect is observed with solvents of lower log P. The best activity-stability performance is reached when the biocatalyst is used in pH 4.8 buffer with 5% (v/v) butyl acetate at 37 °C. The laccase was capable of decolorizing xanthene, azo and triarylmethane dyes, exhibiting excellent selectivity on bromocresol green and bromocresol purple. Furthermore, the biocatalyst displayed an attractive activity when assessed for the decolorization of bromocresol green in a proof-of-concept effluent biotreatment.
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23
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Sarathi M, Doraiswamy N, Pennathur G. Enhanced stability of immobilized keratinolytic protease on electrospun nanofibers. Prep Biochem Biotechnol 2019; 49:695-703. [DOI: 10.1080/10826068.2019.1605524] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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24
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Polyketone-based membrane support improves the organic solvent resistance of laccase catalysis. J Colloid Interface Sci 2019; 544:230-240. [DOI: 10.1016/j.jcis.2019.03.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 02/28/2019] [Accepted: 03/01/2019] [Indexed: 01/05/2023]
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25
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Hijazi M, Spiekermann P, Krumm C, Tiller JC. Poly(2‐oxazoline)s terminated with 2,2′‐imino diacetic acid form noncovalent polymer–enzyme conjugates that are highly active in organic solvents. Biotechnol Bioeng 2018; 116:272-282. [DOI: 10.1002/bit.26877] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/31/2018] [Accepted: 11/12/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Montasser Hijazi
- Department of Bio and Chemical EngineeringTU DortmundDortmund Germany
| | - Pia Spiekermann
- Department of Bio and Chemical EngineeringTU DortmundDortmund Germany
| | - Christian Krumm
- Department of Bio and Chemical EngineeringTU DortmundDortmund Germany
| | - Joerg C. Tiller
- Department of Bio and Chemical EngineeringTU DortmundDortmund Germany
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26
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Covalent immobilization of laccase by one pot three component reaction and its application in the decolorization of textile dyes. Int J Biol Macromol 2018; 120:144-151. [DOI: 10.1016/j.ijbiomac.2018.08.077] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 07/29/2018] [Accepted: 08/15/2018] [Indexed: 11/23/2022]
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27
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Mohammadi M, As’habi MA, Salehi P, Yousefi M, Nazari M, Brask J. Immobilization of laccase on epoxy-functionalized silica and its application in biodegradation of phenolic compounds. Int J Biol Macromol 2018; 109:443-447. [DOI: 10.1016/j.ijbiomac.2017.12.102] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 12/05/2017] [Accepted: 12/19/2017] [Indexed: 11/16/2022]
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28
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An interdigital array microelectrode aptasensor based on multi-walled carbon nanotubes for detection of tetracycline. Bioprocess Biosyst Eng 2017; 40:1419-1425. [PMID: 28717833 DOI: 10.1007/s00449-017-1799-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 06/08/2017] [Indexed: 02/02/2023]
Abstract
In this study an impedance aptasensor was designed for sensitive, selective, and fast detection of tetracycline (TET) based on an interdigital array microelectrode (IDAM). The IDAM was integrated with impedance detection to miniaturize the conventional electrodes, enhance the sensitivity, shorten the detection time, and minimize interfering effects of non-target analytes in the solution. Due to their excellent conductivity, good biocompatibility, the multi-walled carbon nanotubes (MWCNTs) were used to modify the IDAM to immobilize TET aptamer effectively. The proposed aptasensor produced a sensitive impedance change which was characterized by the electrochemical impedance spectroscopy (EIS). With the addition of TET, the formation of TET-aptamer complex on the surface of MWCNTs modified electrode resulted in an increase of electron transfer resistance (R et). The change of R et depends on the concentration of TET, which is applied for the quantification of TET. A wide linear range was obtained from 10-9 to 10-3 M. The linear regression equation was y(ΔR) = 21.310 × x(LogC) (M) + 217.25. It was successfully applied to detect TET in real milk samples.
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Bertrand B, Martínez-Morales F, Trejo-Hernández MR. Upgrading Laccase Production and Biochemical Properties: Strategies and Challenges. Biotechnol Prog 2017; 33:1015-1034. [PMID: 28393483 DOI: 10.1002/btpr.2482] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 03/31/2017] [Indexed: 12/22/2022]
Abstract
Improving laccases continues to be crucial in novel biotechnological developments and industrial applications, where they are concerned. This review breaks down and explores the potential of the strategies (conventional and modern) that can be used for laccase enhancement (increased production and upgraded biochemical properties such as stability and catalytic efficiency). The challenges faced with these approaches are briefly discussed. We also shed light on how these strategies merge and give rise to new options and advances in this field of work. Additionally, this article seeks to serve as a guide for students and academic researchers interested in laccases. This document not only gives basic information on laccases, but also provides updated information on the state of the art of various technologies that are used in this line of investigation. It also gives the readers an idea of the areas extensively studied and the areas where there is still much left to be done. © 2017 American Institute of Chemical Engineers Biotechnol. Prog., 33:1015-1034, 2017.
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Affiliation(s)
- Brandt Bertrand
- Department of Environmental Biotechnology, Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Chamilpa, Cuernavaca, Morelos, CP 62209, México
| | - Fernando Martínez-Morales
- Department of Environmental Biotechnology, Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Chamilpa, Cuernavaca, Morelos, CP 62209, México
| | - María R Trejo-Hernández
- Department of Environmental Biotechnology, Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, Chamilpa, Cuernavaca, Morelos, CP 62209, México
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31
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Lončar N, Božić N, Vujčić Z. Expression and characterization of a thermostable organic solvent-tolerant laccase from Bacillus licheniformis ATCC 9945a. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.06.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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32
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Plothe R, Sittko I, Lanfer F, Fortmann M, Roth M, Kolbach V, Tiller JC. Poly(2-ethyloxazoline) as matrix for highly active electrospun enzymes in organic solvents. Biotechnol Bioeng 2016; 114:39-45. [DOI: 10.1002/bit.26043] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/21/2016] [Accepted: 06/27/2016] [Indexed: 01/02/2023]
Affiliation(s)
- Ramona Plothe
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Ina Sittko
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Franziska Lanfer
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Maximilian Fortmann
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Meike Roth
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Vivien Kolbach
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
| | - Joerg C. Tiller
- Department of Bio- and Chemical Engineering; TU Dortmund; Emil-Figge-Str. 66 D-44227 Dortmund Germany
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Warner J, Andreescu S. An acetylcholinesterase (AChE) biosensor with enhanced solvent resistance based on chitosan for the detection of pesticides. Talanta 2016; 146:279-84. [DOI: 10.1016/j.talanta.2015.08.030] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 08/13/2015] [Accepted: 08/14/2015] [Indexed: 10/23/2022]
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34
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Heberling MM, Masman MF, Bartsch S, Wybenga GG, Dijkstra BW, Marrink SJ, Janssen DB. Ironing out their differences: dissecting the structural determinants of a phenylalanine aminomutase and ammonia lyase. ACS Chem Biol 2015; 10:989-97. [PMID: 25494407 DOI: 10.1021/cb500794h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Deciphering the structural features that functionally separate ammonia lyases from aminomutases is of interest because it may allow for the engineering of more efficient aminomutases for the synthesis of unnatural amino acids (e.g., β-amino acids). However, this has proved to be a major challenge that involves understanding the factors that influence their activity and regioselectivity differences. Herein, we report evidence of a structural determinant that dictates the activity differences between a phenylalanine ammonia lyase (PAL) and aminomutase (PAM). An inner loop region that closes the active sites of both PAM and PAL was mutated within PAM (PAM residues 77-97) in a stepwise approach to study the effects when the equivalent residue(s) found in the PAL loop were introduced into the PAM loop. Almost all of the single loop mutations triggered a lyase phenotype in PAM. Experimental and computational evidence suggest that the induced lyase features result from inner loop mobility enhancements, which are possibly caused by a 310-helix cluster, flanking α-helices, and hydrophobic interactions. These findings pinpoint the inner loop as a structural determinant of the lyase and mutase activities of PAM.
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Affiliation(s)
- Matthew M. Heberling
- Department
of Biochemistry, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Marcelo F. Masman
- Department
of Biochemistry, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | - Sebastian Bartsch
- Department
of Biochemistry, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
| | | | | | | | - Dick B. Janssen
- Department
of Biochemistry, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 4, 9747 AG, Groningen, The Netherlands
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35
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Purification of a thermostable laccase from Leucaena leucocephala using a copper alginate entrapment approach and the application of the laccase in dye decolorization. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.04.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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36
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Rasekh B, Khajeh K, Ranjbar B, Mollania N, Almasinia B, Tirandaz H. Protein engineering of laccase to enhance its activity and stability in the presence of organic solvents. Eng Life Sci 2014. [DOI: 10.1002/elsc.201300042] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Affiliation(s)
- Behnam Rasekh
- Department of Biochemistry; Faculty of Biological Sciences; Tarbiat Modares University; Tehran Iran
| | - Khosro Khajeh
- Department of Biochemistry; Faculty of Biological Sciences; Tarbiat Modares University; Tehran Iran
| | - Bijan Ranjbar
- Department of Biochemistry; Faculty of Biological Sciences; Tarbiat Modares University; Tehran Iran
| | - Nasrin Mollania
- Department of Biology; Faculty of Science; Hakim Sabzevari University; Sabzevar Iran
| | - Banafsheh Almasinia
- Research and Technology Directorate; National Iranian Oil Company; Tehran Iran
| | - Hassan Tirandaz
- Microbiology and Biotechnology Research Group; Research Institute of Petroleum Industry; Tehran Iran
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37
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Konieczny S, Krumm C, Doert D, Neufeld K, Tiller JC. Investigations on the activity of poly(2-oxazoline) enzyme conjugates dissolved in organic solvents. J Biotechnol 2014; 181:55-63. [PMID: 24709400 DOI: 10.1016/j.jbiotec.2014.03.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Revised: 03/26/2014] [Accepted: 03/28/2014] [Indexed: 10/25/2022]
Abstract
The use of enzymes in organic solvents offers a great opportunity for the highly selective synthesis of complex organic compounds. In this study we investigate the POXylation of several enzymes with different polyoxazolines ranging from the hydrophilic poly(2-methyl-oxazoline) (PMOx) to the hydrophobic poly(2-heptyl-oxazoline) (PHeptOx). As reported previously on the examples of model enzymes POXylation mediated by pyromellitic acid dianhydride results in highly modified, organosoluble protein conjugates. This procedure is here extended to a larger number of proteins and optimized for the different polyoxazolines. The resulting polymer-enzyme conjugates (PEC) became soluble in different organic solvents ranging from hydrophilic DMF to even toluene. These conjugates were characterized regarding their solubility and especially their activity in organic solvents and in some cases the PECs showed significantly (up to 153,000 fold) higher activities than the respective native enzymes.
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Affiliation(s)
- Stefan Konieczny
- Chair of Biomaterials and Polymer Science, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
| | - Christian Krumm
- Chair of Biomaterials and Polymer Science, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
| | - Dominik Doert
- Chair of Biomaterials and Polymer Science, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
| | - Katharina Neufeld
- Institut for Bioorganic Chemistry, Heinrich-Heine-University Düsseldorf, Forschungszentrum Jülich, Germany
| | - Joerg C Tiller
- Chair of Biomaterials and Polymer Science, Department of Biochemical and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany.
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38
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Illner S, Plagemann R, Saling P, Kragl U. Eco-efficiency analysis as a reaction-engineering tool—Case study of a laccase-initiated oxidative C–N coupling. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.01.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Mogharabi M, Faramarzi MA. Laccase and Laccase-Mediated Systems in the Synthesis of Organic Compounds. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300960] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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40
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Effects of additives on lipase immobilization in microemulsion-based organogels. Appl Biochem Biotechnol 2014; 172:3128-40. [PMID: 24497044 DOI: 10.1007/s12010-014-0746-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 01/20/2014] [Indexed: 10/25/2022]
Abstract
An inexpensive, facile, and environmentally benign method was developed to improve the activity and stability of Candida rugosa lipase (triacylglycerol acylhydrolase) immobilized on microemulsion-based organogels (CRL MBGs) via the addition of additives during immobilization. The additives used were polyethylene glycol (PEG) or polysaccharides. This study is the first report on the effect of additives in CRL MBGs. Among the tested additives, PEG produced the most improvement in the immobilized CRL, enhancing its stability in organic solvents (specifically polar solvents). The results of circular dichroism and fluorescence spectra experiments indicated that exposure of the acidic CRL to electronegative additives in the buffer, such as polyethylenimine and the electropositive surfactant cetyltrimethylammonium bromide, may change the lipase secondary structure, ultimately causing enzyme inactivation. However, sodium bis(2-ethylhexyl)sulfosuccinate and PEG 2000 had minimal effects on the secondary structure of CRL. The CRL MBGs containing PEG 2000 demonstrated remarkable retention of their catalytic activity during the recycling test. No significant changes in enzymatic activity were observed, even after nine runs, and 90% of the original yield was maintained after 15 cycles.
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41
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Bernini R, Crisante F, Gentili P, Menta S, Morana F, Pierini M. Unexpected different chemoselectivity in the aerobic oxidation of methylated planar catechin and bent epicatechin derivatives catalysed by the Trametes villosa laccase/1-hydroxybenzotriazole system. RSC Adv 2014. [DOI: 10.1039/c3ra47753c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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42
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Hassani T, Ba S, Cabana H. Formation of enzyme polymer engineered structure for laccase and cross-linked laccase aggregates stabilization. BIORESOURCE TECHNOLOGY 2013; 128:640-645. [PMID: 23220110 DOI: 10.1016/j.biortech.2012.10.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2012] [Revised: 10/09/2012] [Accepted: 10/12/2012] [Indexed: 06/01/2023]
Abstract
Laccase and laccase-based cross-linked enzyme aggregates (CLEAs) were stabilized through the formation of a surrounding polymeric network made of chitosan and 3-aminopropyltriethoxysilane. The thermoresistance of the resulting enzyme polymer engineered structures of laccase (EPES-lac) and CLEAs (EPES-CLEA) were more than 30 times higher than that of free laccase and CLEAs at pH 3 and 40 °C. The EPES showed higher residual activity than the unmodified biocatalysts against chaotropic salts (up to 10 times), EDTA (up to 5 times), methanol (up to 15 times) and acetone (up to 20 times). The Michaelis-Menten kinetic parameters revealed that the affinity for 2,2'-azino-bis-(3-ethylbenzothiazoline-6-sulphonic acid) has doubled for the EPES-lac and EPES CLEA compared to their unmodified forms. The EPES-lac structures acted optimally at pH 4 and their activity was nearly temperature-independent, while the laccase activity of EPES-CLEA was optimal at pH 4 and 60 °C. Globally, the EPES have shown significantly improved properties which make them attractive candidate for the development of laccase-based applications.
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Affiliation(s)
- Thanina Hassani
- Environmental Engineering Laboratory, Department of Civil Engineering, University of Sherbrooke, 2500 Boulevard de l'Université, Sherbrooke, Quebec, Canada J1K 2R1
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43
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Fernández-Lucas J, Fresco-Taboada A, de la Mata I, Arroyo M. One-step enzymatic synthesis of nucleosides from low water-soluble purine bases in non-conventional media. BIORESOURCE TECHNOLOGY 2012; 115:63-69. [PMID: 22197334 DOI: 10.1016/j.biortech.2011.11.127] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2011] [Revised: 11/28/2011] [Accepted: 11/29/2011] [Indexed: 05/31/2023]
Abstract
The effect of several water-miscible cosolvents on activity and stability of soluble and immobilized 2'-deoxyribosyltransferase from Lactobacillus reuteri on Sepabeads® has been studied in order to establish optimal conditions for enzymatic synthesis of nucleosides using purine bases with low solubility in aqueous buffer. As a rule of thumb, there was a general reduction of soluble enzyme activity when cosolvent content was gradually increased in reaction medium. In contrast, immobilized enzyme activity was enhanced 1.2-1.4-fold at 20% of methanol, ethanol, 2-propanol, diethylene glycol, and acetone; and at 10% and 30% acetonitrile. Likewise, highest increased activity (1.8-fold) was also obtained in presence of 20% acetonitrile. Immobilized enzyme was successfully used in the synthesis of 2'-deoxyxanthosine and 2'-deoxyguanosine using 2'-deoxyuridine as sugar donor and the corresponding poor water-soluble base in the presence of 30% of methanol, ethanol, 2-propanol, ethylene glycol, acetonitrile, and DMSO, giving high nucleoside yields at 4h.
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Affiliation(s)
- Jesús Fernández-Lucas
- Departamento de Bioquímica y Biología Molecular I, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid, Madrid, Spain
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44
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Gökgöz M, Altinok H. Immobilization of laccase on polyacrylamide and polyacrylamide – κ – carragennan-based semi-interpenetrating polymer networks. ACTA ACUST UNITED AC 2012; 40:326-30. [DOI: 10.3109/10731199.2012.658469] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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45
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Wan YY, Miyakoshi T, Du YM, Chen LJ, Hao JM, Kennedy JF. Mechanism of monolignol biotransformation by Rhus laccases in water-miscible organic solutions. Int J Biol Macromol 2012; 50:530-3. [DOI: 10.1016/j.ijbiomac.2012.01.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 01/06/2012] [Accepted: 01/10/2012] [Indexed: 10/14/2022]
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46
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Mattinen ML, Maijala P, Nousiainen P, Smeds A, Kontro J, Sipilä J, Tamminen T, Willför S, Viikari L. Oxidation of lignans and lignin model compounds by laccase in aqueous solvent systems. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.molcatb.2011.05.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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