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Balogh-Weiser D, Molnár A, Tóth GD, Koplányi G, Szemes J, Decsi B, Katona G, Salamah M, Ender F, Kovács A, Berkó S, Budai-Szűcs M, Balogh GT. Combined Nanofibrous Face Mask: Co-Formulation of Lipases and Antibiotic Agent by Electrospinning Technique. Pharmaceutics 2023; 15:pharmaceutics15041174. [PMID: 37111659 PMCID: PMC10143802 DOI: 10.3390/pharmaceutics15041174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/26/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
The application of enzyme-based therapies has received significant attention in modern drug development. Lipases are one of the most versatile enzymes that can be used as therapeutic agents in basic skin care and medical treatment related to excessive sebum production, acne, and inflammation. The traditional formulations available for skin treatment, such as creams, ointments or gels, are widely applied; however, their use is not always accompanied by good drug penetration properties, stability, or patient adherence. Nanoformulated drugs offer the possibility of combining enzymatic and small molecule formulations, making them a new and exciting alternative in this field. In this study polymeric nanofibrous matrices made of polyvinylpyrrolidone and polylactic acid were developed, entrapping lipases from Candida rugosa and Rizomucor miehei and antibiotic compound nadifloxacin. The effect of the type of polymers and lipases were investigated, and the nanofiber formation process was optimized to provide a promising alternative in topical treatment. Our experiments have shown that entrapment by electrospinning induced two orders of magnitude increase in the specific enzyme activity of lipases. Permeability investigations indicated that all lipase-loaded nanofibrous masks were capable of delivering nadifloxacin to the human epidermis, confirming the viability of electrospinning as a formulation method for topical skin medications.
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Affiliation(s)
- Diána Balogh-Weiser
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
- Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Alexandra Molnár
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Gergő D Tóth
- Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Gábor Koplányi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - József Szemes
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Balázs Decsi
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
| | - Gábor Katona
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Maryana Salamah
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
- Istitute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Ferenc Ender
- Department of Electron Devices, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
- SpinSplit LLC, Vend u. 17, H-1025 Budapest, Hungary
| | - Anita Kovács
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Szilvia Berkó
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
| | - György T Balogh
- Istitute of Pharmacodynamics and Biopharmacy, Faculty of Pharmacy, University of Szeged, Eötvös u. 6, H-6720 Szeged, Hungary
- Department of Chemical and Environmental Process Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary
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Bîtcan I, Petrovici A, Pellis A, Klébert S, Károly Z, Bereczki L, Péter F, Todea A. Enzymatic route for selective glycerol oxidation using covalently immobilized laccases. Enzyme Microb Technol 2022; 163:110168. [DOI: 10.1016/j.enzmictec.2022.110168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/18/2022] [Accepted: 11/29/2022] [Indexed: 12/05/2022]
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3
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Meir I, Alfassi G, Arazi Y, Rein DM, Fishman A, Cohen Y. Lipase Catalyzed Transesterification of Model Long-Chain Molecules in Double-Shell Cellulose-Coated Oil-in-Water Emulsion Particles as Microbioreactors. Int J Mol Sci 2022; 23:ijms232012122. [PMID: 36292979 PMCID: PMC9603428 DOI: 10.3390/ijms232012122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/07/2022] [Accepted: 10/08/2022] [Indexed: 11/16/2022] Open
Abstract
Lipase-catalyzed transesterification is prevalent in industrial production and is an effective alternative to chemical catalysis. However, due to lipases’ unique structure, the reaction requires a biphasic system, which suffers from a low reaction efficiency caused by a limited interfacial area. The use of emulsion particles was found to be an effective way to increase the surface area and activity. This research focuses on cellulose as a natural surfactant for oil-in-water emulsions and evaluates the ability of lipase, introduced into the emulsion’s aqueous phase, to integrate with the emulsion microparticles and catalyze the transesterification reaction of high molecular weight esters dissolved in the particles’ cores. Cellulose-coated emulsion particles’ morphology was investigated by light, fluorescence and cryogenic scanning electron microscopy, which reveal the complex emulsion structure. Lipase activity was evaluated by measuring the hydrolysis of emulsified p-nitrophenyl dodecanoate and by the transesterification of emulsified methyl laurate and oleyl alcohol dissolved in decane. Both experiments demonstrated that lipase introduced in the aqueous medium can penetrate the emulsion particles, localize at the inner oil core interface and perform effective catalysis. Furthermore, in this system, lipase successfully catalyzed a transesterification reaction rather than hydrolysis, despite the dominant presence of water.
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Affiliation(s)
- Itzhak Meir
- Department of Chemical Engineering, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Gilad Alfassi
- Department of Biotechnology Engineering, Braude College of Engineering, Karmiel 2161002, Israel
| | - Yael Arazi
- Department of Biotechnology and Food Engineering, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Dmitry M. Rein
- Department of Chemical Engineering, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Ayelet Fishman
- Department of Biotechnology and Food Engineering, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Yachin Cohen
- Department of Chemical Engineering, Technion—Israel Institute of Technology, Haifa 3200003, Israel
- Correspondence:
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DES-Based Biocatalysis as a Green Alternative for the l-menthyl Ester Production Based on l-menthol Acylation. Molecules 2022; 27:molecules27165273. [PMID: 36014511 PMCID: PMC9412368 DOI: 10.3390/molecules27165273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 12/03/2022] Open
Abstract
The deep eutectic solvent (DES)-based biocatalysis of l-menthol acylation was designed for the production of fatty acid l-menthyl ester (FME) using fatty acid methyl ester (FAME). The biocatalytic reaction was assisted by a lipase enzyme in the DES reaction medium. ւՒ-menthol and fatty acids (e.g., CA—caprylic acid; OA—oleic acid; LiA—linoleic acid; and LnA—linolenic acid) were combined in the binary mixture of DES. In this way, the DES provided a nonpolar environment for requested homogeneity of a biocatalytic system with reduced impact on the environment. The screening of lipase enzyme demonstrated better performance of immobilized lipase compared with powdered lipase. The performance of the biocatalytic system was evaluated for different DES compositions (type and concentration of the acid component). l-menthol:CA = 73:27 molar ratio allowed it to reach a maximum conversion of 95% methyl lauric ester (MLE) using a NV (Candida antarctica lipase B immobilized on acrylic resin) lipase biocatalyst. The recyclability of biocatalysts under optimum conditions of the system was also evaluated (more than 80% recovered biocatalytic activity was achieved for the tested biocatalysts after five reaction cycles). DES mixtures were characterized based on differential scanning calorimetry (DSC) and refractive index analysis.
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Biswal T, Shadangi KP, Sarangi PK, Srivastava RK. Conversion of carbon dioxide to methanol: A comprehensive review. CHEMOSPHERE 2022; 298:134299. [PMID: 35304218 DOI: 10.1016/j.chemosphere.2022.134299] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/28/2022] [Accepted: 03/09/2022] [Indexed: 06/14/2023]
Abstract
This review explains the various methods of conversion of Carbon dioxide (CO2) to methanol by using homogenous, heterogeneous catalysts through hydrogenation, photochemical, electrochemical, and photo-electrochemical techniques. Since, CO2 is the major contributor to global warming, its utilization for the production of fuels and chemicals is one of the best ways to save our environment in a sustainable manner. However, as the CO2 is very stable and less reactive, a proper method and catalyst development is most important to break the CO2 bond to produce valuable chemicals like methanol. Litertaure says the catalyt types, ratio and it surface structure along with the temperature and pressure are the most controlling parameters to optimize the process for the production of methanol from CO2. This article explains about the various controlling parameters of synthesis of Methanol from CO2 along with the advantages and drawbacks of each process. The mechanism of each synthesis process in presence of metal supported catalyst is described. Basically the activity of Cu supported catalyst and its stability based on the activity for the methanol synthesis from CO2 through various methods is critically described.
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Affiliation(s)
- Trinath Biswal
- Department of Chemistry, Veer Surendra Sai University of Technology, Burla. Sambalpur, Odisha, 768018, India
| | - Krushna Prasad Shadangi
- Department of Chemical Engineering, Veer Surendra Sai University of Technology, Burla. Sambalpur, Odisha, 768018, India.
| | - Prakash Kumar Sarangi
- College of Agriculture, Central Agricultural University, Imphal, Manipur, 795004, India.
| | - Rajesh K Srivastava
- Department of Biotechnology, GITAM Institute of Technology, Gandhi Institute of Technology and Management (GITAM) Deemed to Be University, Gandhinagar, Rushikonda, Visakhapatnam, 530 045, AP, India
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6
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Entrapment of Phenylalanine Ammonia-Lyase in Nanofibrous Polylactic Acid Matrices by Emulsion Electrospinning. Catalysts 2021. [DOI: 10.3390/catal11101149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Immobilization of the recombinant, plant-derived Petroselinum crispum phenylalanine ammonia lyase (PcPAL) in electrospun matrices have the potential to create promising, easy-to-use biocatalysts. Polylactic acid (PLA) a biologically inert, commercial biopolymer, was chosen as the material of the carrier system. PLA could be electrospun properly only from water-immiscible organic solvents, which limits its application as a carrier of sensitive biological objects. The emulsion electrospinning is a proper solution to overcome this issue using non-ionic emulsifiers with different hydrophilic-lipophilic balance (HLB) values. The stabilized emulsion could protect the sensitive PcPAL dissolved in the aqueous buffer phase and improve fiber formation, plus help to keep the biocatalytic activity of enzymes. In this study, the first approach is described to produce PLA nanofibers containing PcPAL enzymes by emulsion electrospinning and to use the resulted biocatalyst in the ammonia elimination reaction from l-phenylalanine.
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7
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Meinhardt B, Motlagh Scholle L, Seifert F, Anwand M, Pietzsch M, Zierz S. Cardiolipin Stabilizes and Increases Catalytic Efficiency of Carnitine Palmitoyltransferase II and Its Variants S113L, P50H, and Y479F. Int J Mol Sci 2021; 22:4831. [PMID: 34063237 PMCID: PMC8125234 DOI: 10.3390/ijms22094831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 11/29/2022] Open
Abstract
Muscle carnitine palmitoyltransferase II (CPT II) deficiency is associated with various mutations in CPT2 gene. In the present study, the impact of the two CPT II variants P50H and Y479F were characterized in terms of stability and activity in vitro in comparison to wildtype (WT) and the well investigated variant S113L. While the initial enzyme activity of all variants showed wild-type-like behavior, the activity half-lives of the variants at different temperatures were severely reduced. This finding was validated by the investigation of thermostability of the enzymes using nano differential scanning fluorimetry (nanoDSF). Further, it was studied whether the protein stabilizing diphosphatidylglycerol cardiolipin (CL) has an effect on the variants. CL indeed had a positive effect on the stability. This effect was strongest for WT and least pronounced for variant P50H. Additionally, CL improved the catalytic efficiency for CPT II WT and the investigated variants by twofold when carnitine was the varied substrate due to a decrease in KM. However, there was no influence detected for the variation of substrate palmitoyl-CoA. The functional consequences of the stabilization by CL in vivo remain open.
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Affiliation(s)
- Beate Meinhardt
- Department of Neurology, Martin-Luther-University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120 Halle (Saale), Germany; (L.M.S.); (S.Z.)
| | - Leila Motlagh Scholle
- Department of Neurology, Martin-Luther-University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120 Halle (Saale), Germany; (L.M.S.); (S.Z.)
| | - Franziska Seifert
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany; (F.S.); (M.A.); (M.P.)
| | - Martina Anwand
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany; (F.S.); (M.A.); (M.P.)
| | - Markus Pietzsch
- Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Weinbergweg 22, 06120 Halle (Saale), Germany; (F.S.); (M.A.); (M.P.)
| | - Stephan Zierz
- Department of Neurology, Martin-Luther-University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120 Halle (Saale), Germany; (L.M.S.); (S.Z.)
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Savickaite A, Sadauskas M, Gudiukaite R. Immobilized GDEst-95, GDEst-lip and GD-95RM lipolytic enzymes for continuous flow hydrolysis and transesterification reactions. Int J Biol Macromol 2021; 173:421-434. [PMID: 33493559 DOI: 10.1016/j.ijbiomac.2021.01.133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/07/2021] [Accepted: 01/19/2021] [Indexed: 11/17/2022]
Abstract
In this study lipolytic biocatalysts GD-95RM, GDEst-95 and GDEst-lip were immobilized by encapsulation in calcium alginate beads. All three immobilized biocatalysts demonstrated significantly increased thermal stability at 60-70 °C temperatures and the activity of GD-95RM lipase increased by 50% at 70-80 °C following the immobilization. Moreover, encapsulated GDEst-95 esterase retained higher than 50% lipolytic activity after 3 months of incubation with butanol (25%) and ethanol (50%); GDEst-lip enzyme possessed 50% activity after 2 months of treatment with ethanol (25%) and methanol (25%); and GD-95RM lipase displayed higher that 50% activity after two-week incubation with methanol (50%). All three immobilized enzymes displayed long-term storage capability (>50% activity) at least until 3 months at 4 °C. It was also detected that immobilized GD-95RM and GDEst-lip can perform flow hydrolysis of both avocado oil and p-NP dodecanoate in prototype packed-bed column reactor. The analysis of continuous transesterification of avocado or sunflower oil with ethanol or methanol as substrates confirmed that encapsulated GD-95RM and GDEst-lip enzymes is a useful approach to produce fatty acid alkyl esters.
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Affiliation(s)
- Agne Savickaite
- Institute of Biosciences, Life Sciences Center, Vilnius University, Sauletekis avenue 7, LT-10257 Vilnius, Lithuania
| | - Mikas Sadauskas
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekis avenue 7, LT-10257 Vilnius, Lithuania
| | - Renata Gudiukaite
- Institute of Biosciences, Life Sciences Center, Vilnius University, Sauletekis avenue 7, LT-10257 Vilnius, Lithuania.
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Qian J, Gong J, Xu Z, Jin J, Shi J. Significant improvement in conversion efficiency of isonicotinic acid by immobilization of cells via a novel microsphere preparation instrument. BIORESOURCE TECHNOLOGY 2021; 320:124307. [PMID: 33157446 DOI: 10.1016/j.biortech.2020.124307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/19/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
An instrument for the automatic preparation of microspheres was designed and manufactured, and by which cells were immobilized as efficient biocatalyst with small particle diameter, high crosslinking uniformity, and high porosity. The concentration of polymer solution, crosslinking agent and other conditions for preparing the cells microspheres were determined, and the conversion conditions of isonicotinic acid from 4-cyanopyridine were optimized to minimize mass-transfer limitations, and improve thermal and storage stability. The immobilized cells microspheres, which were continuously used for 23 batches, showed a total transformation capacity of 4.6 mol/L 4-cyanopyridine and a cumulative mass of 566.31 g/L of isonicotinic acid, which demonstrated the potential of the durable biocatalyst with efficient conversion capacity.
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Affiliation(s)
- Jianying Qian
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Jinsong Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China
| | - Zhenghong Xu
- National Engineering Laboratory for Cereal Fermentation Technology, School of Biotechnology, Jiangnan University, Wuxi 214122, PR China
| | - Jian Jin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China.
| | - Jinsong Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, Wuxi 214122, PR China.
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Deri-Zenaty B, Bachar S, Rebroš M, Fishman A. A coupled enzymatic reaction of tyrosinase and glucose dehydrogenase for the production of hydroxytyrosol. Appl Microbiol Biotechnol 2020; 104:4945-4955. [PMID: 32285177 DOI: 10.1007/s00253-020-10594-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 03/22/2020] [Accepted: 03/31/2020] [Indexed: 12/12/2022]
Abstract
Hydroxytyrosol (HT) is a diphenolic compound prevalent mainly in olives with pronounced antioxidant activity and proven benefits for human health. Current production limitations have motivated studies concerning the hydroxylation of tyrosol to HT with tyrosinase; however, accumulation of the diphenol is restricted due to its rapid subsequent oxidation to 3,4-quinone-phenylethanol. In this study, a continuous two-enzyme reaction system of sol-gel-immobilized tyrosinase and glucose dehydrogenase (GDH) was developed for the synthesis of HT. Purified tyrosinase from Bacillus megaterium (TyrBm) and E. coli cell extract expressing GDH from B. megaterium were encapsulated in a sol-gel matrix based on triethoxysilane precursors. While tyrosinase oxidized tyrosol to 3,4-quinone-phenylethanol, GDH catalyzed the simultaneous reduction of the cofactor NAD+ to NADH, which was the reducing agent enabling the accumulation of HT. Using 50 mM tyrosol, the immobilized system under optimized conditions, enabled a final HT yield of 7.68 g/L with productivity of 2.30 mg HT/mg TyrBm beads. Furthermore, the immobilized bi-enzyme system showed the feasibility for HT production from 1 mM tyrosol using a 0.5-L bioreactor as well as stable activity over 8 repeated cycles. The production of other diphenols with commercial importance such as L-dopa (3,4-dihydroxyphenylalanine) or piceatannol may be synthesized with this efficient approach.
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Affiliation(s)
- Batel Deri-Zenaty
- Department of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, 3200003, Haifa, Israel
| | - Shani Bachar
- Department of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, 3200003, Haifa, Israel
| | - Martin Rebroš
- Institute of Biotechnology, Faculty of Chemical and Food Technology, Slovak University of Technology, Radlinského 9, 812 37, Bratislava, Slovakia
| | - Ayelet Fishman
- Department of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, 3200003, Haifa, Israel.
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Bartha-Vári JH, Moisă ME, Bencze LC, Irimie FD, Paizs C, Toșa MI. Efficient Biodiesel Production Catalyzed by Nanobioconjugate of Lipase from Pseudomonas fluorescens. Molecules 2020; 25:E651. [PMID: 32028723 PMCID: PMC7037990 DOI: 10.3390/molecules25030651] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/20/2020] [Accepted: 02/01/2020] [Indexed: 01/18/2023] Open
Abstract
The Amano lipase from Pseudomonas fluorescens (L-AK) was covalently immobilized on various carbon nanomaterials (functionalized single-walled carbon nanotubes and graphene oxide) and tested for biodiesel production. Using the most active lipase preparation (covalently immobilized L-AK on SwCNTNH2 derivatized with glycerol diglycidyl ether) under optimal conditions, quasi-complete conversion (>99%) of sunflower oil was obtained after only 4 h reaction time. Moreover, the biocatalyst maintained more than 99% of its initial activity in the batch system after multiple recycling experiments.
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Affiliation(s)
| | | | | | | | | | - Monica Ioana Toșa
- Babeș-Bolyai University, Biocatalysis and Biotransformation Research Center, Arany János 11, 400028 Cluj-Napoca, Romania; (J.-H.B.-V.); (M.E.M.); (L.C.B.); (F.-D.I.); (C.P.)
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12
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Sánta-Bell E, Molnár Z, Varga A, Nagy F, Hornyánszky G, Paizs C, Balogh-Weiser D, Poppe L. "Fishing and Hunting"-Selective Immobilization of a Recombinant Phenylalanine Ammonia-Lyase from Fermentation Media. Molecules 2019; 24:E4146. [PMID: 31731791 PMCID: PMC6891789 DOI: 10.3390/molecules24224146] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 02/07/2023] Open
Abstract
This article overviews the numerous immobilization methods available for various biocatalysts such as whole-cells, cell fragments, lysates or enzymes which do not require preliminary enzyme purification and introduces an advanced approach avoiding the costly and time consuming downstream processes required by immobilization of purified enzyme-based biocatalysts (such as enzyme purification by chromatographic methods and dialysis). Our approach is based on silica shell coated magnetic nanoparticles as solid carriers decorated with mixed functions having either coordinative binding ability (a metal ion complexed by a chelator anchored to the surface) or covalent bond-forming ability (an epoxide attached to the surface via a proper linker) enabling a single operation enrichment and immobilization of a recombinant phenylalanine ammonia-lyase from parsley fused to a polyhistidine affinity tag.
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Affiliation(s)
- Evelin Sánta-Bell
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
| | - Zsófia Molnár
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
- Fermentia Microbiological Ltd., 1405 Budapest, Hungary
- Institute of Enzymology, Research Center for Natural Sciences, Hungarian Academy of Science, 1117 Budapest, Hungary
| | - Andrea Varga
- Biocatalysis and Biotransformation Research Centre, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University of Cluj-Napoca, 400028 Cluj-Napoca, Romania; (A.V.); (C.P.)
| | - Flóra Nagy
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
| | - Gábor Hornyánszky
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
- SynBiocat Ltd., 1172 Budapest, Hungary
| | - Csaba Paizs
- Biocatalysis and Biotransformation Research Centre, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University of Cluj-Napoca, 400028 Cluj-Napoca, Romania; (A.V.); (C.P.)
| | - Diána Balogh-Weiser
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
- SynBiocat Ltd., 1172 Budapest, Hungary
- Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics, 1111 Budapest, Hungary
| | - László Poppe
- Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, 1111 Budapest, Hungary; (E.S.-B.); (Z.M.); (F.N.); (G.H.)
- Biocatalysis and Biotransformation Research Centre, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University of Cluj-Napoca, 400028 Cluj-Napoca, Romania; (A.V.); (C.P.)
- SynBiocat Ltd., 1172 Budapest, Hungary
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Chauhan PS, Kumarasamy M, Sosnik A, Danino D. Enhanced Thermostability and Anticancer Activity in Breast Cancer Cells of Laccase Immobilized on Pluronic-Stabilized Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2019; 11:39436-39448. [PMID: 31580644 DOI: 10.1021/acsami.9b11877] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Laccases are multi-copper oxidase enzymes having widespread applications in various biotechnological fields. However, low stability of free enzymes restricts their industrial use. Development of effective methods to preserve and even increase the enzymatic activity is critical to maximize their use, though this remains a challenge. In the present study we immobilized Trametes versicolor laccase on pH-responsive (and charge-switchable) Pluronic-stabilized silver nanoparticles (AgNPsTrp). Our results demonstrate that colloidal stabilization of AgNPsTrp with the amphiphilic copolymer Pluronic F127 enhances enzyme activity (AgNPsTrpF1 + Lac6) by changing the active site microenvironment, which is confirmed by circular dichroism (CD) and fluorescence spectroscopy. Detailed kinetic and thermodynamic studies reveal a facile strategy to improve the protein quality by lowering the activation energy and expanding the temperature window for substrate hydrolysis. The immobilized nanocomposite did not show any change in flow behavior which indirectly suggests that the enzyme stability is maintained, and the enzyme did not aggregate or unfold upon immobilization. Finally, assessing the anticancer efficacy of this nanocomposite in breast cancer MCF-7 cells shows the inhibition of cell proliferation through β-estradiol degradation and cells apoptosis. To understand the molecular mechanism involved in this process, semi qRT-PCR experiments were performed, which indicated significant decrease in the mRNA levels of anti-apoptotic genes, for example, BCL-2 and NF-kβ, and increase in the mRNA level of pro-apoptotic genes like p53 in treated cells, compared to control. Overall, this study offers a completely new strategy for tailoring nano-bio-interfaces with improved activity and stability of laccase.
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Gihaz S, Bash Y, Rush I, Shahar A, Pazy Y, Fishman A. Bridges to Stability: Engineering Disulfide Bonds Towards Enhanced Lipase Biodiesel Synthesis. ChemCatChem 2019. [DOI: 10.1002/cctc.201901369] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shalev Gihaz
- Department of Biotechnology and Food EngineeringTechnion-Israel Institute of Technology Haifa 3200003 Israel
| | - Yael Bash
- Department of Biotechnology and Food EngineeringTechnion-Israel Institute of Technology Haifa 3200003 Israel
| | - Inbal Rush
- Department of Biotechnology and Food EngineeringTechnion-Israel Institute of Technology Haifa 3200003 Israel
| | - Anat Shahar
- National Institute for Biotechnology in the Negev (NIBN) Beer-Sheva 84105 Israel
| | - Yael Pazy
- Technion Center for Structural Biology Lorry I. Lokey Center for Life Sciences and EngineeringTechnion-Israel Institute of Technology Haifa 3200003 Israel
| | - Ayelet Fishman
- Department of Biotechnology and Food EngineeringTechnion-Israel Institute of Technology Haifa 3200003 Israel
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Heater BS, Chan WS, Lee MM, Chan MK. Directed evolution of a genetically encoded immobilized lipase for the efficient production of biodiesel from waste cooking oil. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:165. [PMID: 31297153 PMCID: PMC6598307 DOI: 10.1186/s13068-019-1509-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 06/19/2019] [Indexed: 05/31/2023]
Abstract
BACKGROUND We have recently developed a one-step, genetically encoded immobilization approach based on fusion of a target enzyme to the self-crystallizing protein Cry3Aa, followed by direct production and isolation of the fusion crystals from Bacillus thuringiensis. Using this approach, Bacillus subtilis lipase A was genetically fused to Cry3Aa to produce a Cry3Aa-lipA catalyst capable of the facile conversion of coconut oil into biodiesel over 10 reaction cycles. Here, we investigate the fusion of another lipase to Cry3Aa with the goal of producing a catalyst suitable for the conversion of waste cooking oil into biodiesel. RESULTS Genetic fusion of the Proteus mirabilis lipase (PML) to Cry3Aa allowed for the production of immobilized lipase crystals (Cry3Aa-PML) directly in bacterial cells. The fusion resulted in the loss of PML activity, however, and so taking advantage of its genetically encoded immobilization, directed evolution was performed on Cry3Aa-PML directly in its immobilized state in vivo. This novel strategy allowed for the selection of an immobilized PML mutant with 4.3-fold higher catalytic efficiency and improved stability. The resulting improved Cry3Aa-PML catalyst could be used to catalyze the conversion of waste cooking oil into biodiesel for at least 15 cycles with minimal loss in conversion efficiency. CONCLUSIONS The genetically encoded nature of our Cry3Aa-fusion immobilization platform makes it possible to perform both directed evolution and screening of immobilized enzymes directly in vivo. This work is the first example of the use of directed evolution to optimize an enzyme in its immobilized state allowing for identification of a mutant that would unlikely have been identified from screening of its soluble form. We demonstrate that the resulting Cry3Aa-PML catalyst is suitable for the recyclable conversion of waste cooking oil into biodiesel.
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Affiliation(s)
- Bradley S. Heater
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Hong Kong, SAR China
| | - Wai Shan Chan
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Hong Kong, SAR China
| | - Marianne M. Lee
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Hong Kong, SAR China
| | - Michael K. Chan
- School of Life Sciences & Center of Novel Biomaterials, The Chinese University of Hong Kong, Hong Kong, SAR China
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Filling the Void: Introducing Aromatic Interactions into Solvent Tunnels To Enhance Lipase Stability in Methanol. Appl Environ Microbiol 2018; 84:AEM.02143-18. [PMID: 30217852 DOI: 10.1128/aem.02143-18] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Accepted: 09/12/2018] [Indexed: 12/17/2022] Open
Abstract
An enhanced stability of enzymes in organic solvents is desirable under industrial conditions. The potential of lipases as biocatalysts is mainly limited by their denaturation in polar alcohols. In this study, we focused on selected solvent tunnels in lipase from Geobacillus stearothermophilus T6 to improve its stability in methanol during biodiesel synthesis. Using rational mutagenesis, bulky aromatic residues were incorporated to occupy solvent channels and induce aromatic interactions leading to a better inner core packing. The chemical and structural characteristics of each solvent tunnel were systematically analyzed. Selected residues were replaced with Phe, Tyr, or Trp. Overall, 16 mutants were generated and screened in 60% methanol, from which 3 variants showed an enhanced stability up to 81-fold compared with that of the wild type. All stabilizing mutations were found in the longest tunnel detected in the "closed-lid" X-ray structure. The combination of Phe substitutions in an A187F/L360F double mutant resulted in an increase in unfolding temperature (Tm ) of 7°C in methanol and a 3-fold increase in biodiesel synthesis yield from waste chicken oil. A kinetic analysis with p-nitrophenyl laurate revealed that all mutants displayed lower hydrolysis rates (k cat), though their stability properties mostly determined the transesterification capability. Seven crystal structures of different variants were solved, disclosing new π-π or CH/π intramolecular interactions and emphasizing the significance of aromatic interactions for improved solvent stability. This rational approach could be implemented for the stabilization of other enzymes in organic solvents.IMPORTANCE Enzymatic synthesis in organic solvents holds increasing industrial opportunities in many fields; however, one major obstacle is the limited stability of biocatalysts in such a denaturing environment. Aromatic interactions play a major role in protein folding and stability, and we were inspired by this to redesign enzyme voids. The rational protein engineering of solvent tunnels of lipase from Geobacillus stearothermophilus is presented here, offering a promising approach to introduce new aromatic interactions within the enzyme core. We discovered that longer tunnels leading from the surface to the enzyme active site were more beneficial targets for mutagenesis for improving lipase stability in methanol during biodiesel biosynthesis. A structural analysis of the variants confirmed the generation of new interactions involving aromatic residues. This work provides insights into stability-driven enzyme design by targeting the solvent channel void.
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Integrating enzyme immobilization and protein engineering: An alternative path for the development of novel and improved industrial biocatalysts. Biotechnol Adv 2018; 36:1470-1480. [DOI: 10.1016/j.biotechadv.2018.06.002] [Citation(s) in RCA: 168] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 05/02/2018] [Accepted: 06/04/2018] [Indexed: 12/15/2022]
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Lotti M, Pleiss J, Valero F, Ferrer P. Enzymatic Production of Biodiesel: Strategies to Overcome Methanol Inactivation. Biotechnol J 2018; 13:e1700155. [PMID: 29461685 DOI: 10.1002/biot.201700155] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 02/10/2018] [Indexed: 01/15/2023]
Abstract
Lipase-catalyzed transesterification of triglycerides and alcohols to obtain biodiesel is an environmentally friendly and sustainable route for fuels production since, besides proceeding in mild reaction conditions, it allows for the use of low-cost feedstocks that contain water and free fatty acids, for example non-edible oils and waste oils. This review article reports recent advances in the field and focus in particular on a major issue in the enzymatic process, the inactivation of most lipases caused by methanol, the preferred acyl acceptor used for alcoholysis. The recent results about immobilization of enzymes on nano-materials and the use of whole-cell biocatalysts, as well as the use of cell-surface display technologies and metabolic engineering strategies for microbial production of biodiesel are described. It is discussed also insight into the effects of methanol on lipases obtained by modeling approaches and report on studies aimed at mining novel alcohol stable enzymes or at improving robustness in existing ones by protein engineering.
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Affiliation(s)
- Marina Lotti
- Department of Biotechnology and Biosciences, State University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy
| | - Jürgen Pleiss
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, 70569 Stuttgart, Germany
| | - Francisco Valero
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
| | - Pau Ferrer
- Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
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Csuka P, Juhász V, Kohári S, Filip A, Varga A, Sátorhelyi P, Bencze LC, Barton H, Paizs C, Poppe L. Pseudomonas fluorescensStrain R124 Encodes Three Different MIO Enzymes. Chembiochem 2018; 19:411-418. [DOI: 10.1002/cbic.201700530] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Pál Csuka
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; Műegyetem rkp. 3 1111 Budapest Hungary
| | - Vivien Juhász
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; Műegyetem rkp. 3 1111 Budapest Hungary
| | - Szabolcs Kohári
- Fermentia Microbiological Ltd; Berlini út 47-49 1049 Budapest Hungary
| | - Alina Filip
- Biocatalysis and Biotransformation Research Center; Faculty of Chemistry and Chemical Engineering; Babeş-Bolyai University of Cluj-Napoca; Arany János str. 11 400028 Cluj-Napoca Romania
| | - Andrea Varga
- Biocatalysis and Biotransformation Research Center; Faculty of Chemistry and Chemical Engineering; Babeş-Bolyai University of Cluj-Napoca; Arany János str. 11 400028 Cluj-Napoca Romania
| | - Péter Sátorhelyi
- Fermentia Microbiological Ltd; Berlini út 47-49 1049 Budapest Hungary
| | - László Csaba Bencze
- Biocatalysis and Biotransformation Research Center; Faculty of Chemistry and Chemical Engineering; Babeş-Bolyai University of Cluj-Napoca; Arany János str. 11 400028 Cluj-Napoca Romania
| | - Hazel Barton
- Department of Biology; The University of Akron; ASEC West Tower 178 Akron OH 44325 USA
| | - Csaba Paizs
- Biocatalysis and Biotransformation Research Center; Faculty of Chemistry and Chemical Engineering; Babeş-Bolyai University of Cluj-Napoca; Arany János str. 11 400028 Cluj-Napoca Romania
| | - László Poppe
- Department of Organic Chemistry and Technology; Budapest University of Technology and Economics; Műegyetem rkp. 3 1111 Budapest Hungary
- Biocatalysis and Biotransformation Research Center; Faculty of Chemistry and Chemical Engineering; Babeş-Bolyai University of Cluj-Napoca; Arany János str. 11 400028 Cluj-Napoca Romania
- SynBiocat Ltd; Szilasliget u. 3 1172 Budapest Hungary
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Wedde S, Kleusch C, Bakonyi D, Gröger H. High-Throughput Feasible Screening Tool for Determining Enzyme Stabilities against Organic Solvents Directly from Crude Extracts. Chembiochem 2017; 18:2399-2403. [DOI: 10.1002/cbic.201700526] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Indexed: 01/03/2023]
Affiliation(s)
- Severin Wedde
- Chair of Organic Chemistry I; Faculty of Chemistry; Bielefeld University; Universitätsstrasse 25 33615 Bielefeld Germany
| | | | - Daniel Bakonyi
- Chair of Organic Chemistry I; Faculty of Chemistry; Bielefeld University; Universitätsstrasse 25 33615 Bielefeld Germany
| | - Harald Gröger
- Chair of Organic Chemistry I; Faculty of Chemistry; Bielefeld University; Universitätsstrasse 25 33615 Bielefeld Germany
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Zhang J, Cui F, Xu L, Pan X, Wang X, Zhang X, Cui T. The development of novel Au/CaO nanoribbons from bifunctional building block for biodiesel production. NANOSCALE 2017; 9:15990-15997. [PMID: 29022608 DOI: 10.1039/c7nr04890d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Herein, a novel and facile high-yield strategy is reported to efficiently fabricate 1D self-supported Au/CaO nanocatalysts using dual metal co-ordination polymers as templates. Significantly, a uniform distribution of dual metal nanoparticles can be ensured due to the fact that both Ca2+ and Au3+ ions are initially introduced into the co-ordination polymer via chemical bonding with bifunctional organic linkers and then, the Au and CaO nanoparticles are formed simultaneously in one pot via calcination. Furthermore, the as-prepared Au/CaO nanoribbons exhibit excellent catalytic performance in the transesterification reaction, which can be attributed to the small size and high distribution of CaO nanoparticles as well as the special 1D structure with high surface area. Moreover, leaching and deactivation, which are the main problems of CaO-based catalysts, are remarkably reduced due to the presence of hydrophobic Au nanoparticles on the surface of the CaO nanoribbons. Consequently, the Au/CaO nanoribbons can be used as recyclable catalysts with high activity for biodiesel production.
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Affiliation(s)
- Jiajia Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China.
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