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Christ HA, Daniel NP, Solarczek J, Fresenborg LS, Schallmey A, Menzel H. Application of electrospun chitosan-based nanofibers as immobilization matrix for biomolecules. Appl Microbiol Biotechnol 2023; 107:7071-7087. [PMID: 37755509 PMCID: PMC10638201 DOI: 10.1007/s00253-023-12777-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/02/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023]
Abstract
Nanofiber meshes from electrospun chitosan, highly modified with biotin and arylazides, are well-suited for application as enzyme immobilization matrices. To test this, catalytically active biomolecules were immobilized onto photocrosslinked nanofibrous nonwovens consisting mainly of biotinylated fungal chitosan and a small amount (10 w%) of poly ethylene oxide. In this study, we show that over 10 μg eugenol oxidase per milligram dry polymer matrix can be loaded on UV-crosslinked chitosan nanofibers. We further demonstrate that bound enzyme activity can be fully retained for over 7 days of storage at ambient conditions in aqueous buffer. Samples loaded at maximum enzyme carrying capacity were tested in a custom-made plug-flow reactor system with online UV-VIS spectroscopy for activity determination. High wettability and durability of the hydrophilic chitosan support matrix enabled continuous oxidation of model substrate vanillyl alcohol into vanillin with constant turnover at flow rates of up to 0.24 L/h for over 6 h. This proves the above hypothesis and enables further application of the fibers as stacked microfluidic membranes, biosensors, or structural starting points for affinity crosslinked enzyme gels. KEY POINTS: • Biotinylated chitosan-based nanofibers retain enzymes via mild affinity interactions • Immobilized eugenol oxidase shows high activity and resists continuous washing • Nanofiber matrix material tolerated high flow rates in a continuous-flow setup.
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Affiliation(s)
- Henrik-Alexander Christ
- Institute for Technical Chemistry, Braunschweig University of Technology, Hagenring 30, 38106, Braunschweig, Germany
| | - Nils Peter Daniel
- Institute for Biochemistry, Braunschweig University of Technology, Spielmannstraße 7, 38106, Braunschweig, Germany
| | - Jennifer Solarczek
- Institute for Biochemistry, Braunschweig University of Technology, Spielmannstraße 7, 38106, Braunschweig, Germany
| | - Leonard Sebastian Fresenborg
- Department of Molecular Cell Biology of Plants, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438, Frankfurt am Main, Germany
| | - Anett Schallmey
- Institute for Biochemistry, Braunschweig University of Technology, Spielmannstraße 7, 38106, Braunschweig, Germany
| | - Henning Menzel
- Institute for Technical Chemistry, Braunschweig University of Technology, Hagenring 30, 38106, Braunschweig, Germany.
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Pestalotiopsis mangiferae isolated from cocoa leaves and concomitant tannase and gallic acid production. Fungal Biol 2022; 126:471-479. [DOI: 10.1016/j.funbio.2022.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 11/23/2022]
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Pragya, Sharma KK, Kumar A, Singh D, Kumar V, Singh B. Immobilized phytases: an overview of different strategies, support material, and their applications in improving food and feed nutrition. Crit Rev Food Sci Nutr 2021; 63:5465-5487. [PMID: 34965785 DOI: 10.1080/10408398.2021.2020719] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Phytases are the most widely used food and feed enzymes, which aid in nutritional improvement by reducing anti-nutritional factor. Despite the benefits, enzymes usage in the industry is restricted by several factors such as their short life-span and poor reusability, which result in high costs for large-scale utilization at commercial scale. Furthermore, under pelleting conditions such as high temperatures, pH, and other factors, the enzyme becomes inactive due to lesser stability. Immobilization of phytases has been suggested as a way to overcome these limitations with improved performance. Matrices used to immobilize phytases include inorganic (Hydroxypatite, zeolite, and silica), organic (Polyacrylamide, epoxy resins, alginate, chitosan, and starch agar), soluble matrix (Polyvinyl alcohol), and nanomaterials including nanoparticles, nanofibers, nanotubes. Several surface analysis methods, including thermal gravimetric analysis (TGA), differential scanning calorimetry (DSC), and FTIR analysis, have been used to characterize immobilized phytase. Immobilized phytases have been used in a broad range of biotechnological applications such as animal feed, biodegradation of food phytates, preparations of myo-inositol phosphates, and sulfoxidation by vanadate-substituted peroxidase. This article provides information on different matrices used for phytase immobilization from the last two decades, including the process of immobilization and support material, surface analysis techniques, and multifarious biotechnological applications of the immobilized phytases.
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Affiliation(s)
- Pragya
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Krishna Kant Sharma
- Laboratory of Enzymology and Recombinant DNA Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Anil Kumar
- Department of Botany, Pt. N.R.S. Govt. College, Rohtak, India
| | - Davender Singh
- Department of Physics, RPS Degree College, Mahendergarh, India
| | - Vijay Kumar
- Department of Botany, Shivaji College, University of Delhi, New Delhi, India
| | - Bijender Singh
- Laboratory of Bioprocess Technology, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
- Department of Biotechnology, Central University of Haryana, Jant-Pali, India
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Cavalcanti RMF, Maestrello CC, Guimarães LHS. Immobilization of the Tannase From Aspergillus fumigatus CAS21: Screening the Best Derivative for the Treatment of Tannery Effluent Using a Packed Bed Reactor. Front Bioeng Biotechnol 2021; 9:754061. [PMID: 34805112 PMCID: PMC8595215 DOI: 10.3389/fbioe.2021.754061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Enzyme immobilization is an important alternative to stabilize enzyme properties favoring the efficiency of derivatives (enzyme + support/matrix) for different purposes. According to this, the current study aimed to immobilize the Aspergillus fumigatus CAS21 tannase and the use of the derivatives in the treatment of the effluent produced by the tannery industry. The tannase was immobilized on sodium alginate, DEAE-Sephadex, amberlite, and glass pearls as supports. Calcium alginate was the most adequate support for tannase immobilization with 100% yield and 94.3% for both efficiency and activity. The best tannase activity for the calcium alginate derivative was obtained at 50°C–60°C and pH 5.0. Thermal and pH stabilities evaluated for 24 h at 30°C–60°C and pH 4–7, respectively, were improved if compared to the stability of the free enzyme. Considering the reuse of the calcium alginate derivative, 78% of the initial activity was preserved after 10 catalytic cycles, and after the 9-month storage at 4°C, the activity was maintained in 70%. This derivative was applied in a packed bed reactor (PBR) for the treatment of tannin-rich effluents from the tannery industry. The reduction of the tannin content was effective reaching degradation of 74–78% after 48 h of PBR operation. The concentration of total phenolic compounds was also reduced, and the color and clarity of the effluent improved. In conclusion, the calcium alginate derivative is an attractive alternative as biocatalyst for large-scale treatment of the effluents from the tannery industry.
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Abstract
Enzymes are the highly efficient biocatalyst in modern biotechnological industries. Due to the fragile property exposed to the external stimulus, the application of enzymes is highly limited. The immobilized enzyme by polymer has become a research hotspot to empower enzymes with more extraordinary properties and broader usage. Compared with free enzyme, polymer immobilized enzymes improve thermal and operational stability in harsh environments, such as extreme pH, temperature and concentration. Furthermore, good reusability is also highly expected. The first part of this study reviews the three primary immobilization methods: physical adsorption, covalent binding and entrapment, with their advantages and drawbacks. The second part of this paper includes some polymer applications and their derivatives in the immobilization of enzymes.
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Nano-organic supports for enzyme immobilization: Scopes and perspectives. Colloids Surf B Biointerfaces 2021; 204:111774. [PMID: 33932893 DOI: 10.1016/j.colsurfb.2021.111774] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/04/2021] [Accepted: 04/14/2021] [Indexed: 12/16/2022]
Abstract
A variety of organic nanomaterials and organic polymers are used for enzyme immobilization to increase enzymes stability and reusability. In this study, the effects of the immobilization of enzymes on organic and organic-inorganic hybrid nano-supports are compared. Immobilization of enzymes on organic support nanomaterials was reported to significantly improve thermal, pH and storage stability, acting also as a protection against metal ions inhibitory effects. In particular, the effects of enzyme immobilization on reusability, physical, kinetic and thermodynamic parameters were considered. Due to their biocompatibility with low health risks, organic support nanomaterials represent a good choice for the immobilization of enzymes. Organic nanomaterials, and especially organic-inorganic hybrids, can significantly improve the kinetic and thermodynamic parameters of immobilized enzymes compared to macroscopic supports. Moreover, organic nanomaterials are more environment friendly for medical applications, such as prodrug carriers and biosensors. Overall, organic hybrid nanomaterials are receiving increasing attention as novel nano-supports for enzyme immobilization and will be used extensively.
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Zhang S, Bilal M, Zdarta J, Cui J, Kumar A, Franco M, Ferreira LFR, Iqbal HMN. Biopolymers and nanostructured materials to develop pectinases-based immobilized nano-biocatalytic systems for biotechnological applications. Food Res Int 2021; 140:109979. [PMID: 33648214 DOI: 10.1016/j.foodres.2020.109979] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/27/2020] [Accepted: 12/08/2020] [Indexed: 02/08/2023]
Abstract
Pectinases are the emerging enzymes of the biotechnology industry with a 25% share in the worldwide food and beverage enzyme market. These are green and eco-friendly tools of nature and hold a prominent place among the commercially produced enzymes. Pectinases exhibit applications in various industrial bioprocesses, such as clarification of fruit juices and wine, degumming, and retting of plant fibers, extraction of antioxidants and oil, fermentation of tea/coffee, wastewater remediation, modification of pectin-laden agro-industrial waste materials for high-value products biosynthesis, manufacture of cellulose fibres, scouring, bleaching, and size reduction of fabric, cellulosic biomass pretreatment for bioethanol production, etc. Nevertheless, like other enzymes, pectinases also face the challenges of low operational stability, recoverability, and recyclability. To address the above-mentioned problems, enzyme immobilization has become an eminently promising approach to improve their thermal stability and catalytic characteristics. Immobilization facilitates easy recovery and recycling of the biocatalysts multiple times, leading to enhanced performance and commercial feasibility.In this review, we illustrate recent developments on the immobilization of pectinolytic enzymes using polymers and nanostructured materials-based carrier supports to constitute novel biocatalytic systems for industrial exploitability. The first section reviewed the immobilization of pectinases on polymers-based supports (ca-alginate, chitosan, agar-agar, hybrid polymers) as a host matrix to construct robust pectinases-based biocatalytic systems. The second half covers nanostructured supports (nano-silica, magnetic nanostructures, hybrid nanoflowers, dual-responsive polymeric nanocarriers, montmorillonite clay), and cross-linked enzyme aggregates for enzyme immobilization. The biotechnological applications of the resulted immobilized robust pectinases-based biocatalytic systems are also meticulously vetted. Finally, the concluding remarks and future recommendations are also given.
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Affiliation(s)
- Shuangshuang Zhang
- School of Food Science and Technology, Jiangsu Food and Pharmaceutical Science College, Huai'an 223003, China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai'an 223003, China.
| | - Jakub Zdarta
- Institute of Chemical Technology and Engineering, Faculty of Chemical Technology, Poznan University of Technology, Berdychowo 4, PL-60965 Poznan, Poland
| | - Jiandong Cui
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin 300457, PR China
| | - Ashok Kumar
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh 173 234, India
| | - Marcelo Franco
- Department of Exact and Technological Sciences, State University of Santa Cruz, 45654-370 Ilhéus, Brazil
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil; Institute of Technology and Research, Murilo Dantas Avenue, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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Helal SE, Abdelhady HM, Abou-Taleb KA, Hassan MG, Amer MM. Lipase from Rhizopus oryzae R1: in-depth characterization, immobilization, and evaluation in biodiesel production. J Genet Eng Biotechnol 2021; 19:1. [PMID: 33400043 PMCID: PMC7785608 DOI: 10.1186/s43141-020-00094-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/16/2020] [Indexed: 11/21/2022]
Abstract
Background Rhizopus species is among the most well-known lipase producers, and its enzyme is suitable for use in many industrial applications. Our research focuses on the production of lipase utilizing waste besides evaluating its applications. Results An extracellular lipase was partially purified from the culture broth of Rhizopus oryzae R1 isolate to apparent homogeneity using ammonium sulfate precipitation followed by desalting via dialysis. The partially purified enzyme was non-specific lipase and the utmost activity was recorded at pH 6, 40 °C with high stability for 30 min. The constants Km and Vmax, calculated from the Lineweaver-Burk plot, are 0.3 mg/mL and 208.3 U/mL, respectively. Monovalent metal ions such as Na+ (1 and 5 mM) and K+ (5 mM) were promoters of the lipase to enhance its activity with 110, 105.5, and 106.5%, respectively. Chitosan was used as a perfect support for immobilization via both adsorption and cross-linking in which the latter method attained immobilization efficiency of 99.1% and reusability of 12 cycles. The partially purified enzyme proved its ability in forming methyl oleate (biodiesel) through the esterification of oleic acid and transesterification of olive oil. Conclusion The partially purified and immobilized lipase from Rhizopus oryzae R1 approved excellent efficiency, reusability, and a remarkable role in detergents and biodiesel production.
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Affiliation(s)
- Shimaa E Helal
- Department of Botany, Faculty of Science, Benha University, Benha, 13518, Egypt. .,College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Hemmat M Abdelhady
- Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Khadiga A Abou-Taleb
- Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Mervat G Hassan
- Department of Botany, Faculty of Science, Benha University, Benha, 13518, Egypt
| | - Mahmoud M Amer
- Department of Botany, Faculty of Science, Benha University, Benha, 13518, Egypt
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Sharma KP. Tannin degradation by phytopathogen's tannase: A Plant's defense perspective. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101342] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Sher H, Ali H, Rashid MH, Iftikhar F, Saif-Ur-Rehman, Nawaz MS, Khan WS. Enzyme Immobilization on Metal-Organic Framework (MOF): Effects on Thermostability and Function. Protein Pept Lett 2019; 26:636-647. [PMID: 31208305 DOI: 10.2174/0929866526666190430120046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 04/15/2019] [Accepted: 04/15/2019] [Indexed: 12/19/2022]
Abstract
MOFs are porous materials with adjustable porosity ensuing a tenable surface area and stability. MOFs consist of metal containing joint where organic ligands are linked with coordination bonding rendering a unique architecture favouring the diverse applications in attachment of enzymes, Chemical catalysis, Gases storage and separation, biomedicals. In the past few years immobilization of soluble enzymes on/in MOF has been the topic of interest for scientists working in diverse field. The activity of enzyme, reusability, storage, chemical and thermal stability, affinity with substrate can be greatly improved by immobilizing of enzyme on MOFs. Along with improvement in enzymes properties, the high loading of enzyme is also observed while using MOFs as immobilization support. In this review a detail study of immobilization on/in Metalorganic Frameworks (MOFs) have been described. Furthermore, strategies for the enzyme immobilization on MOFs and resulting in improved catalytic performance of immobilized enzymes have been reported.
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Affiliation(s)
- Hassan Sher
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Hazrat Ali
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Muhammad H Rashid
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Fariha Iftikhar
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Saif-Ur-Rehman
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Muhammad S Nawaz
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
| | - Waheed S Khan
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan
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Peng L, Ye Q, Liu X, Liu S, Meng X. Optimization of aqueous enzymatic method for Camellia sinensis oil extraction and reuse of enzymes in the process. J Biosci Bioeng 2019; 128:716-722. [PMID: 31208799 DOI: 10.1016/j.jbiosc.2019.05.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 05/06/2019] [Accepted: 05/23/2019] [Indexed: 01/16/2023]
Abstract
Aqueous enzymatic extraction of Camellia sinensis oil was studied. The results suggested that saponin removal pretreatment assisted by ultrasound was effective in decreasing emulsification and in enhancing the free oil recovery. After 70% isopropanol extraction for 30 min under ultrasound, the residue of C. sinensis seeds was further hydrolyzed with free cellulase and Alcalase for 5 h, and calcium ions were concurrently added during enzymatic hydrolysis (nCa2+: nsaponin = 1:2), and free oil recovery up to 94.14% was obtained. Separate immobilization and co-immobilization of Alcalase and cellulase were performed by alginate entrapment combined with glutaraldehyde crosslinking. Specific activity and recovery of activity for Alcalase and cellulase were acceptable. After immobilization, Alcalase and cellulase exhibited higher activity at a wider pH and temperature range. Reuse experiments of immobilized enzymes were conducted. The deactivation kinetics immobilized enzymes were simulated and half-life of immobilized enzyme was estimated. The results indicated that a magnetic supporter facilitated the recovery of immobilized enzymes from tea seed slurry, and that immobilized Alcalase and cellulase had good reusability.
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Affiliation(s)
- Li Peng
- Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Qin Ye
- Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Xiaoying Liu
- Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Shulai Liu
- Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Xianghe Meng
- Ocean College, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China.
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Boi S, Dellacasa E, Bianchini P, Petrini P, Pastorino L, Monticelli O. Encapsulated functionalized stereocomplex PLA particles: An effective system to support mucolytic enzymes. Colloids Surf B Biointerfaces 2019; 179:190-198. [PMID: 30959231 DOI: 10.1016/j.colsurfb.2019.03.071] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/19/2019] [Accepted: 03/30/2019] [Indexed: 02/08/2023]
Abstract
In this work, the preparation of a novel enzyme carrier based on a polymer multicomponent system was assessed. Indeed, the design of the above system considered several issues that are the need of applying a biodegradable polymer carrier, characterized by a nanometric dimension, thus suitable to diffuse into the dense mucus structure, with functionalities capable of interacting/reacting with enzymes but resistant to enzymatic degradation. The particles were prepared from solutions containing equimolar amount of high-molecular-weight poly(L-lactide) (PLLA) and poly(D-lactide) (PDLA) and by applying the nanoprecipitation method. Dynamic Light Scattering (DLS) measurements allowed to establish the optimal preparation conditions to obtain polymer particles characterized by diameters lower than 1 μm, which dimensions were confirmed by Field Emission Scanning Electron Microscope (FE-SEM) analysis. In order to produce surface functionalization, necessary for anchoring enzymes, the stereocomplexed particles, whose structuration was confirmed by Differential Scanning Calorimetry (DSC) measurements, underwent an amminolysis reaction by using a diamine as reactant. The treated particles were characterized by means of FE-SEM, Fourier-Transform Infrared Spectroscopy (FTIR), DLS and zeta potential measurements and their characteristics were compared with those of the neat PLLA/PDLA particles. The degree of functionalization turned out to depend on the applied conditions, it increasing by enhancing the reaction time. The activity of enzymes, i.e. papain and alginate lyase, anchored to the particles, was evaluated by Quartz Crystal Microbalance (QCM) and UV measurements. Moreover, with the aim at exploiting the material for an inhalation administration, a method to encapsulate the enzyme-particles systems was assessed. Conversely to free enzymes, the developed systems were found to be capable of diminishing the viscosity of two hydrogels, ad hoc prepared and based on the main constituents of the real mucus.
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Affiliation(s)
- Stefania Boi
- Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genoa, Via all'Opera Pia 13, 16145 Genoa, Italy
| | - Elena Dellacasa
- Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genoa, Via all'Opera Pia 13, 16145 Genoa, Italy
| | - Paolo Bianchini
- Nanoscopy and NIC, Istituto Italiano di Tecnologia, Via Morego 30 16163, Genoa, Italy
| | - Paola Petrini
- Department of Chemistry, Materials and Chemical Engineering 'G. Natta', UdR INSTM Milano Politecnico, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Laura Pastorino
- Department of Informatics, Bioengineering, Robotics and Systems Engineering, University of Genoa, Via all'Opera Pia 13, 16145 Genoa, Italy
| | - Orietta Monticelli
- Department of Chemistry and Industrial Chemistry, University of Genoa, Via Dodecaneso 31, 16146, Genoa, Italy.
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Immobilization of enological pectinase in calcium alginate hydrogels: A potential biocatalyst for winemaking. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101091] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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14
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Strategies to Reuse Cellulase: Immobilization of Enzymes (Part II). Fungal Biol 2019. [DOI: 10.1007/978-3-030-14726-6_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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15
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de Lima JS, Cabrera MP, de Souza Motta CM, Converti A, Carvalho LB. Hydrolysis of tannins by tannase immobilized onto magnetic diatomaceous earth nanoparticles coated with polyaniline. Food Res Int 2018; 107:470-476. [DOI: 10.1016/j.foodres.2018.02.066] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 02/14/2018] [Accepted: 02/26/2018] [Indexed: 10/17/2022]
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de Sena AR, Campos Leite TC, Evaristo da Silva Nascimento TC, Silva ACD, Souza CS, Vaz AFDM, Moreira KA, de Assis SA. Kinetic, thermodynamic parameters and in vitro digestion of tannase from Aspergillus tamarii URM 7115. CHEM ENG COMMUN 2018. [DOI: 10.1080/00986445.2018.1452201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Amanda Reges de Sena
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco, Barreiros, Pernambuco, Brazil
| | - Tonny Cley Campos Leite
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco, Barreiros, Pernambuco, Brazil
| | | | - Anna Carolina da Silva
- Central Laboratory of Garanhuns, Laboratory of Biotechnology, Academic Unit of Garanhuns, Federal Rural University of Pernambuco, Garanhuns, Pernambuco, Brazil
| | - Catiane S. Souza
- Laboratory of Enzymology, Department of Health, State University of Feira de Santana, Feira de Santana, Bahia, Brazil
| | | | - Keila Aparecida Moreira
- Central Laboratory of Garanhuns, Laboratory of Biotechnology, Academic Unit of Garanhuns, Federal Rural University of Pernambuco, Garanhuns, Pernambuco, Brazil
| | - Sandra Aparecida de Assis
- Laboratory of Enzymology, Department of Health, State University of Feira de Santana, Feira de Santana, Bahia, Brazil
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Jabed A. Choudhury M, M. J. Trevelyan P, P. Boswell G. A mathematical model of nutrient influence on fungal competition. J Theor Biol 2018; 438:9-20. [DOI: 10.1016/j.jtbi.2017.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/20/2017] [Accepted: 11/08/2017] [Indexed: 10/18/2022]
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18
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Sirisha VL, Jain A, Jain A. Enzyme Immobilization: An Overview on Methods, Support Material, and Applications of Immobilized Enzymes. ADVANCES IN FOOD AND NUTRITION RESEARCH 2016; 79:179-211. [PMID: 27770861 DOI: 10.1016/bs.afnr.2016.07.004] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Immobilized enzymes can be used in a wide range of processes. In recent years, a variety of new approaches have emerged for the immobilization of enzymes that have greater efficiency and wider usage. During the course of the last two decades, this area has rapidly expanded into a multidisciplinary field. This current study is a comprehensive review of a variety of literature produced on the different enzymes that have been immobilized on various supporting materials. These immobilized enzymes have a wide range of applications. These include applications in the sugar, fish, and wine industries, where they are used for removing organic compounds from waste water. This study also reviews their use in sophisticated biosensors for metabolite control and in situ measurements of environmental pollutants. Immobilized enzymes also find significant application in drug metabolism, biodiesel and antibiotic production, bioremediation, and the food industry. The widespread usage of immobilized enzymes is largely due to the fact that they are cheaper, environment friendly, and much easier to use when compared to equivalent technologies.
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Affiliation(s)
- V L Sirisha
- UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai, Mumbai, India.
| | - Ankita Jain
- UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai, Mumbai, India; University of Rajasthan, Jaipur, India
| | - Amita Jain
- UM-DAE Centre for Excellence in Basic Sciences, University of Mumbai, Mumbai, India; D.Y. Patil University, Navi Mumbai, India
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Lara-Victoriano F, Veana F, Hernández-Castillo FD, Aguilar CN, Reyes-Valdés MH, Rodríguez-Herrera R. Variability among strains of Aspergillus section Nigri with capacity to degrade tannic acid isolated from extreme environments. Arch Microbiol 2016; 199:77-84. [PMID: 27535833 DOI: 10.1007/s00203-016-1277-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 05/23/2016] [Accepted: 08/03/2016] [Indexed: 11/30/2022]
Abstract
Tannins are polyphenolic compounds that cause astringent flavor and turbidity in food. Tannase is an enzyme that catalyzes the hydrolysis of tannins and is used in food industry. This study was conducted to determine the genetic variability and the tannase alleles variation in fungal strains isolated from soil and plants at five extreme areas of Coahuila, México. Two screening assays under 1 and 20 % of tannic acid were performed, with the isolations. In these assays, it was possible to identify 756 and 128 fungal strains, respectively. The major fungal variability was observed in "Cuatro Ciénegas" with 26 strains. The microorganisms were distributed in 11 groups, which correspond to Aspergillus section Nigri. AN7 and AN1 groups showed the major number of isolates from "Paila" and "Cuatro Ciénegas" locations, respectively. In the last location, the major diversity and specific richness were found. But in "Ojo Caliente," tannase allele conservations were observed.
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Affiliation(s)
- F Lara-Victoriano
- Food Research Department, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, Mexico
| | - F Veana
- Food Research Department, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, Mexico
| | - F D Hernández-Castillo
- Department of Plant Breeding and Agricultural Parasitology, Universidad Autónoma Agraria Antonio Narro, 25315, Saltillo, Coahuila, Mexico
| | - C N Aguilar
- Food Research Department, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, Mexico
| | - M H Reyes-Valdés
- Department of Plant Breeding and Agricultural Parasitology, Universidad Autónoma Agraria Antonio Narro, 25315, Saltillo, Coahuila, Mexico
| | - R Rodríguez-Herrera
- Food Research Department, Universidad Autónoma de Coahuila, 25280, Saltillo, Coahuila, Mexico.
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Ramesh R, Puhazhendi P, Kumar J, Gowthaman MK, D'Souza SF, Kamini NR. Potentiometric biosensor for determination of urea in milk using immobilized Arthrobacter creatinolyticus urease. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 49:786-792. [DOI: 10.1016/j.msec.2015.01.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Revised: 12/23/2014] [Accepted: 01/10/2015] [Indexed: 10/24/2022]
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Reges de Sena A, Claúdia de Barros dos Santos A, Gouveia MJ, Figueira de Mello MR, Leite TCC, Moreira KA, Aparecida de Assis S. Production, Characterization and Application of a Thermostable Tannase from Pestalotiopsis guepinii URM 7114. Food Technol Biotechnol 2014; 52:459-467. [PMID: 27904319 PMCID: PMC5079146 DOI: 10.17113/ftb.52.04.14.3743] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 09/17/2014] [Indexed: 11/12/2022] Open
Abstract
Tannase (EC 3.1.1.20) is an enzyme that hydrolyzes the ester and depside bonds of tannic acid to gallic acid and glucose. In the production of foods and beverages, it contributes to the removal of the undesirable effects of tannins. The aim of this study is to investigate the potential of endophytic fungi isolated from jamun (Syzygium cumini (L.) Skeels) leaves, and identified as Pestalotiopsis guepinii, in the production of tannase. Tannase was produced extracellularly by P. guepinii under submerged, slurry-state and solid-state fermentations. The submerged fermentation was found to be the most promising (98.6 U/mL). Response surface methodology was employed to evaluate the effect of variables (pH and temperature), and the results showed that the best conditions for tannase activity were pH=6.9 and 30 °C. Km was found to be 7.18·10-4 mol/L and vmax =250.00 U/mL. The tannase activity was the highest in the presence of Ca2+ at a concentration of 5·10-3 mol/L. Moreover, the enzyme was not inhibited by the tested chelators and detergents. The stability of the enzyme was also studied, and crude enzyme was evaluated in simulation of gastrointestinal digestion of monogastric animals. The crude enzyme was highly stable under simulated conditions; it retained 87.3% of its original activity after 6 h. The study contributes to the identification of microbial species that produce tannase, with potential application in biotechnology.
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Affiliation(s)
- Amanda Reges de Sena
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco,
Campus Barreiros, 55560-000 Barreiros, PE, Brazil
- Laboratory of Enzymology, Department of Health, State University of Feira de Santana,
44036-900 Feira de Santana, BA, Brazil
| | - Ana Claúdia de Barros dos Santos
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco,
Campus Barreiros, 55560-000 Barreiros, PE, Brazil
| | - Miquéas Jamesse Gouveia
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco,
Campus Barreiros, 55560-000 Barreiros, PE, Brazil
| | - Marcelo Rodrigues Figueira de Mello
- Microbiology Laboratory, Federal Institute of Education, Science and Technology of Pernambuco,
Campus Barreiros, 55560-000 Barreiros, PE, Brazil
| | - Tonny Cley Campos Leite
- Bioassays Laboratory for Drug Research, Federal University of Pernambuco, 50670-420 Recife, PE, Brazil
| | - Keila Aparecida Moreira
- Central Laboratory of Garanhuns, Laboratory of Biotechnology, Academic Unit of Garanhuns,
Federal Rural University of Pernambuco, 55292-270 Garanhuns, PE, Brazil
| | - Sandra Aparecida de Assis
- Laboratory of Enzymology, Department of Health, State University of Feira de Santana,
44036-900 Feira de Santana, BA, Brazil
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Datta S, Christena LR, Rajaram YRS. Enzyme immobilization: an overview on techniques and support materials. 3 Biotech 2013; 3:1-9. [PMID: 28324347 PMCID: PMC3563746 DOI: 10.1007/s13205-012-0071-7] [Citation(s) in RCA: 550] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Accepted: 05/20/2012] [Indexed: 02/07/2023] Open
Abstract
The current demands of the world’s biotechnological industries are enhancement in enzyme productivity and development of novel techniques for increasing their shelf life. These requirements are inevitable to facilitate large-scale and economic formulation. Enzyme immobilization provides an excellent base for increasing availability of enzyme to the substrate with greater turnover over a considerable period of time. Several natural and synthetic supports have been assessed for their efficiency for enzyme immobilization. Nowadays, immobilized enzymes are preferred over their free counterpart due to their prolonged availability that curtails redundant downstream and purification processes. Future investigations should endeavor at adopting logistic and sensible entrapment techniques along with innovatively modified supports to improve the state of enzyme immobilization and provide new perspectives to the industrial sector.
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Affiliation(s)
- Sumitra Datta
- School of Chemical and Biotechnology, Shanmuga Arts, Science, Technology and Research Academy (SASTRA) University, Tirumalaisamudram, Thanjavur, 613401, Tamilnadu, India.
| | - L Rene Christena
- School of Chemical and Biotechnology, Shanmuga Arts, Science, Technology and Research Academy (SASTRA) University, Tirumalaisamudram, Thanjavur, 613401, Tamilnadu, India
| | - Yamuna Rani Sriramulu Rajaram
- School of Chemical and Biotechnology, Shanmuga Arts, Science, Technology and Research Academy (SASTRA) University, Tirumalaisamudram, Thanjavur, 613401, Tamilnadu, India
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Figueira JA, Sato HH, Fernandes P. Establishing the feasibility of using β-glucosidase entrapped in Lentikats and in sol-gel supports for cellobiose hydrolysis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:626-34. [PMID: 23294439 DOI: 10.1021/jf304594s] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
β-Glucosidases represent an important group of enzymes due to their pivotal role in various biotechnological processes. One of the most prominent is biomass degradation for the production of fuel ethanol from cellulosic agricultural residues and wastes, where the use of immobilized biocatalysts may prove advantageous. Within such scope, the present work aimed to evaluate the feasibility of entrapping β-glucosidase in either sol-gel or in Lentikats supports for application in cellobiose hydrolysis, and to perform the characterization of the resulting bioconversion systems. The activity and stability of the immobilized biocatalyst over given ranges of temperature and pH values were assessed, as well as kinetic data, and compared to the free form, and the operational stability was evaluated. Immobilization increased the thermal stability of the enzyme, with a 10 °C shift to an optimal temperature in the case of sol-gel support. Mass transfer hindrances as a result of immobilization were not significant, for sol-gel support. Lentikats-entrapped glucosidase was used in 19 consecutive batch runs for cellobiose hydrolysis, without noticeable decrease in product yield. Moreover, encouraging results were obtained for continuous operation. In the overall, the feasibility of using immobilized biocatalysts for cellobiose hydrolysis was established.
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Affiliation(s)
- Joelise A Figueira
- Department of Food Science, School of Food Engineering, University of Campinas-UNICAMP, Campinas, SP, Brazil
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