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Song W, Chen X, Wu J, Xu J, Zhang W, Liu J, Chen J, Liu L. Biocatalytic derivatization of proteinogenic amino acids for fine chemicals. Biotechnol Adv 2020; 40:107496. [DOI: 10.1016/j.biotechadv.2019.107496] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/13/2019] [Accepted: 11/18/2019] [Indexed: 01/09/2023]
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2
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Jolley KE, Nye W, González Niño C, Kapur N, Rabion A, Rossen K, Blacker AJ. Highly Productive Continuous Flow Synthesis of Di- and Tripeptides in Water. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.7b00214] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Katherine E. Jolley
- Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K
| | - William Nye
- Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K
| | - Carlos González Niño
- Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K
| | - Nikil Kapur
- Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K
| | - Alain Rabion
- Sanofi-Aventis France, LGCR-CBD Chemical Development, Toulouse, France
| | - Kai Rossen
- Sanofi-Aventis Deutschland GmbH, R&D LGCR/Chemical Development FF Industriepark Hoechst, Bldg. G838, Room 010, D-65926 Frankfurt am Main, Germany
| | - A. John Blacker
- Institute
of Process Research and Development, School of Chemistry and School
of Chemical and Process Engineering and School of Mechanical Engineering, University of Leeds, Woodhouse Lane, LS2 9JT, West Yorkshire, U.K
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3
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Corici L, Ferrario V, Pellis A, Ebert C, Lotteria S, Cantone S, Voinovich D, Gardossi L. Large scale applications of immobilized enzymes call for sustainable and inexpensive solutions: rice husks as renewable alternatives to fossil-based organic resins. RSC Adv 2016. [DOI: 10.1039/c6ra12065b] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Rice husk for physical and covalent immobilization of enzymes: a sustainable and economic alternative to fossil-based organic resins.
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Affiliation(s)
| | - V. Ferrario
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
| | - A. Pellis
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
| | - C. Ebert
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
| | - S. Lotteria
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
| | | | - D. Voinovich
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
| | - L. Gardossi
- Laboratory of Applied and Computational Biocatalysis
- Dipartimento di Scienze Chimiche e Farmaceutiche
- Università degli Studi di Trieste
- Trieste
- Italy
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4
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Küchler A, Adamcik J, Mezzenga R, Schlüter AD, Walde P. Enzyme immobilization on silicate glass through simple adsorption of dendronized polymer–enzyme conjugates for localized enzymatic cascade reactions. RSC Adv 2015. [DOI: 10.1039/c5ra06268c] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Conjugation of enzymes to a dendronized polymer via bis-aryl hydrazone bonds enables simple and stable enzyme immobilisation on unmodified glass.
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Affiliation(s)
- Andreas Küchler
- Laboratory of Polymer Chemistry
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Jozef Adamcik
- Laboratory of Food & Soft Materials
- Institute of Food, Nutrition and Health
- Department of Health Sciences and Technology
- ETH Zürich
- 8092 Zürich
| | - Raffaele Mezzenga
- Laboratory of Food & Soft Materials
- Institute of Food, Nutrition and Health
- Department of Health Sciences and Technology
- ETH Zürich
- 8092 Zürich
| | - A. Dieter Schlüter
- Laboratory of Polymer Chemistry
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
| | - Peter Walde
- Laboratory of Polymer Chemistry
- Department of Materials
- ETH Zürich
- 8093 Zürich
- Switzerland
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5
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Vossenberg P, Beeftink HH, Cohen Stuart MA, Tramper J. Process design for enzymatic peptide synthesis in near-anhydrous organic media. BIOCATAL BIOTRANSFOR 2013. [DOI: 10.3109/10242422.2013.843320] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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6
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DiCosimo R, McAuliffe J, Poulose AJ, Bohlmann G. Industrial use of immobilized enzymes. Chem Soc Rev 2013; 42:6437-74. [DOI: 10.1039/c3cs35506c] [Citation(s) in RCA: 897] [Impact Index Per Article: 81.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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Performance of Alcalase formulations in near dry organic media: Effect of enzyme hydration on dipeptide synthesis. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.molcatb.2012.01.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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8
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Synthesis and application of dipeptides; current status and perspectives. Appl Microbiol Biotechnol 2008; 81:13-22. [DOI: 10.1007/s00253-008-1590-3] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2008] [Revised: 06/22/2008] [Accepted: 06/23/2008] [Indexed: 10/21/2022]
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9
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Hadj-Ali NE, Agrebi R, Ghorbel-Frikha B, Sellami-Kamoun A, Kanoun S, Nasri M. Biochemical and molecular characterization of a detergent stable alkaline serine-protease from a newly isolated Bacillus licheniformis NH1. Enzyme Microb Technol 2007. [DOI: 10.1016/j.enzmictec.2006.05.007] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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10
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Erbeldinger M, Halling PJ, Ni X. Scale-up of enzymatic solid-to-solid peptide synthesis and enzyme recovery. AIChE J 2006. [DOI: 10.1002/aic.690470226] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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11
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Kumar D, Bhalla TC. Microbial proteases in peptide synthesis: approaches and applications. Appl Microbiol Biotechnol 2005; 68:726-36. [PMID: 16133322 DOI: 10.1007/s00253-005-0094-7] [Citation(s) in RCA: 119] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2005] [Revised: 07/06/2005] [Accepted: 07/07/2005] [Indexed: 11/25/2022]
Abstract
Enzymatic synthesis of peptides has attracted a great deal of attention in recent years. The proteases from bacterial, fungal, plant, and animal sources have been successfully applied to the synthesis of several small peptides, mainly dipeptides and tripeptides. Peptide bonds can be synthesized using proteases in either a thermodynamically controlled or a kinetically controlled manner. The development of new methods suitable for the large-scale production of biologically active peptides has been actively pursued over the last decade due to their bioactive nature as well as better understanding of their biological functions and properties. The aim of this study was to review the basic techniques of peptide synthesis and some advancement in biotechnological methods for their production.
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Affiliation(s)
- Dinesh Kumar
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla, 171005, India
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12
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Operational stability of subtilisin CLECs in organic solvents in repeated batch and in continuous operation. Biochem Eng J 2005. [DOI: 10.1016/j.bej.2005.01.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Fernando Bautista L, Plata MM, Aracil J, Martínez M. Application of an effective diffusion model to the adsorption of Aspartame on functionalised divinylbenzene–styrene macroporous resins. J FOOD ENG 2003. [DOI: 10.1016/s0260-8774(02)00479-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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14
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Xu JH, Kato Y, Asano Y. Efficient preparation of (R)-alpha-monobenzoyl glycerol by lipase catalyzed asymmetric esterification: optimization and operation in packed bed reactor. Biotechnol Bioeng 2001; 73:493-9. [PMID: 11344454 DOI: 10.1002/bit.1084] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Optically active (R)-alpha-monobenzoyl glycerol (MBG) was synthesized by Candida antarctica lipase B (CHIRAZYME L-2) catalyzed asymmetric esterification of glycerol with benzoic anhydride in organic solvents. Various conditions, such as the type and composition of the organic solvent, water content of the system, reaction temperature, and concentrations of the substrates were systematically examined and optimized in screw-capped test tubes with respect to both the reaction rate and the enzyme selectivity. 1,4-Dioxane was found to be the best solvent and no additional water was needed for the system. The optimum temperature was around 30 degrees C, while the most suitable substrate concentrations were 100 mM each for glycerol and benzoic anhydride, respectively. However, when excessive anhydride (e.g., 200 mM) was used, the produced MBG could be further transformed into 1,3-dibenzoyl glycerol (DBG) by the same enzyme with a priority to (S)-MBG, resulting in a significant improvement of the product optical purity from ca. 50-70% e.e. Under optimal conditions (100 mM glycerol, 100-200 mM benzoic anhydride, dioxane, 25-30 degrees C), the enzymatic synthesis of (R)-MBG was successfully operated in a packed-bed reactor for about 1 week, with an average productivity of 0.79 g MBG/day/g biocatalyst in the case of continuous operation and 0.94 g MBG/day/g biocatalyst in the case of semicontinuous operation. After refinement and preferential crystallization of the crude product, (R)-MBG could be obtained in an almost optically pure form (>98% e.e.).
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Affiliation(s)
- J H Xu
- Laboratory of Enzyme Chemistry, Biotechnology Research Center, Toyama Prefectural University, Kurokawa 5180, Kosugi-machi, Imizu-gun, Toyama 939-0398, Japan
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15
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Erbeldinger M, Ni X, Halling PJ. Kinetics of enzymatic solid-to-solid peptide synthesis: Synthesis ofZ-aspartame and control of acid-base conditions by using inorganic salts. Biotechnol Bioeng 2000. [DOI: 10.1002/1097-0290(20010105)72:1<69::aid-bit10>3.0.co;2-p] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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16
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Miyanaga M, Imamura K, Tanaka K, Sakiyama T, Nakanishi K. Analysis for partition equilibrium of amino acid derivatives in aqueous/organic biphasic systems. J Biosci Bioeng 1999; 88:651-8. [PMID: 16232679 DOI: 10.1016/s1389-1723(00)87095-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/1999] [Accepted: 09/21/1999] [Indexed: 10/18/2022]
Abstract
The overall partition coefficients of the acid and amine components of amino acid derivatives, the substrates for proteinase-catalyzed synthesis of oligopeptide precursors, in an aqueous/organic biphasic system were studied both experimentally and theoretically. In a single-component system containing either an acid or amine component, the overall partition coefficient was well expressed by a model using the acid dissociation constant and partition coefficients for the non-ionized and ionized forms of the component. The overall partition coefficient in a binary-component system containing both acid and amine components was well simulated by the model when the formation of ion-pair complexes in the organic solvent phase was taken into consideration in addition to the partitioning of the non-ionized and ionized forms of the components. The formation of ion-pair complexes in the organic solvent phase was indicated by an analysis using Fourier transform infrared ray spectroscopy (FT-IR). In addition to the partition equilibrium, the aqueous-phase pH change after partitioning could be predicted by the model.
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Affiliation(s)
- M Miyanaga
- Department of Bioscience and Biotechnology, Faculty of Engineering, Okayama University, Okayama 700-8530, Japan
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17
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Miyanaga M, Ohmori M, Imamura K, Sakiyama T, Nakanishi K. Stability of immobilized thermolysin in organic solvents. J Biosci Bioeng 1999; 87:463-72. [PMID: 16232500 DOI: 10.1016/s1389-1723(99)80095-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/1998] [Accepted: 01/22/1999] [Indexed: 11/23/2022]
Abstract
Various factors affecting the stability of thermolysin immobilized by cross-linking with glutaraldehyde were elucidated, particularly in the water-immiscible organic solvents such as ethyl acetate and tert-amyl alcohol. The main reason for enzyme inactivation in water-immiscible organic solvents was found to be autolysis in the water phase, which may surround the enzyme immobilized inside the support. By contrast, in water-miscible organic solvents thermal denaturation was the predominant cause of enzyme inactivation. Courses of inactivation were expressed by second-order kinetics in the initial stage, after which inactivation proceeded at a slower rate. The extent of autolysis was found to strongly depend on the kind of organic solvent, the water content, and type of support and these dependencies were explained by the difference in the amount and state of water inside the support. Thermolysin was immobilized onto Amberlite XAD-7 as a compact aggregate inside the support which may increase the stability of the enzyme. Finally, it was shown that the stability of the immobilized enzyme could be correlated with the logP value for water-miscible organic solvents and with the solubility of water for water-immiscible organic solvents.
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Affiliation(s)
- M Miyanaga
- Department of Bioscience and Biotechnology, Faculty of Engineering, Okayama University, Tsushima-naka, Okayama 700-8530, Japan
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18
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ISONO Y, NAKAJIMA M. Application of Highly Concentrated Substrate to Enzymatic Synthesis of Aspartame Precursor. FOOD SCIENCE AND TECHNOLOGY RESEARCH 1999. [DOI: 10.3136/fstr.5.255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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19
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Chen YX, Zhang XZ, Zheng K, Chen SM, Wang QC, Wu XX. Protease-catalyzed synthesis of precursor dipeptides of RGD with reverse micelles. Enzyme Microb Technol 1998. [DOI: 10.1016/s0141-0229(98)00037-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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20
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Erbeldinger M, Ni X, Halling PJ. Effect of water and enzyme concentration on thermolysin-catalyzed solid-to-solid peptide synthesis. Biotechnol Bioeng 1998; 59:68-72. [PMID: 10099315 DOI: 10.1002/(sici)1097-0290(19980705)59:1<68::aid-bit9>3.0.co;2-r] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We have studied a thermolysin-catalyzed solid-to-solid dipeptide synthesis using equimolar amounts of Z-Gln-OH and H-Leu-NH2 as model substrates. The high substrate concentrations make this an effective alternative to enzymatic peptide synthesis in organic solvents. Water content was varied in the range of 0 to 600 mL water per mol substrate and enzyme concentration in the range of 0.5 to 10 g/mol of substrates. High yields around 80% conversion and initial rates from 5 to 20 mmol s-1 kg-1 were achieved. The initial rate increases 10-fold on reducing the water content, to reach a pronounced optimum at 40 mL water per mol substrate. Below this, the rate falls to much lower values in a system with no added water, and to zero in a rigorously dried system. This behavior is discussed in terms of two factors: At higher water contents the system is mass transfer limited (as shown by varying enzyme content), and the diffusion distances required vary. At low water levels, effects reflect the stimulation of the enzymatic activity by water.
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Affiliation(s)
- M Erbeldinger
- Department of Bioscience and Biotechnology, University of Strathclyde, Glasgow G1 1XW, United Kingdom
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22
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23
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Hirata M, Ishimine T, Hirata A. Development of Novel Method for Enzymatic Peptide Synthesis Utilizing Extractive Reaction. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 1997. [DOI: 10.1252/jcej.30.467] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Akira Hirata
- Department of Applied Chemistry, Waseda University
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24
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Murakami Y, Hirata A. Continuous enzymatic synthesis of aspartame precursor at low pH using an extractive reaction. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0922-338x(97)82067-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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25
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Zhang XZ, Wang X, Chen S, Fu X, Wu X, Li C. Protease-catalyzed small peptide synthesis in organic media. Enzyme Microb Technol 1996. [DOI: 10.1016/s0141-0229(96)00057-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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26
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Reddy∗ KK, Kawakatsu T, Snape† JB, Nakajima M. Membrane Concentration and Separation of L-Aspartic Acid and L-Phenylalanine Derivatives in Organic Solvents. SEP SCI TECHNOL 1996. [DOI: 10.1080/01496399608001340] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Gill I, López-Fandiño R, Jorba X, Vulfson EN. Biologically active peptides and enzymatic approaches to their production. Enzyme Microb Technol 1996; 18:163-83. [PMID: 8820131 DOI: 10.1016/0141-0229(95)00097-6] [Citation(s) in RCA: 170] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
This review briefly surveys various classes of biologically active and flavor peptides that have been isolated and characterized in recent years, and analyzes emerging trends and advances in biotechnological methods for their production.
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Affiliation(s)
- I Gill
- Department of Biotechnology and Enzymology, BBSRC Institute of Food Research, Reading, United Kingdom
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28
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Miyanaga M, Tanaka T, Sakiyama T, Nakanishi K. Synthesis of aspartame precursor with an immobilized thermolysin in mixed organic solvents. Biotechnol Bioeng 1995; 46:631-5. [DOI: 10.1002/bit.260460617] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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29
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Nagayasu T, Miyanaga M, Tanaka T, Sakiyama T, Nakanishi K. Synthesis of aspartame precursor with an immobilized thermolysin intert-amyl alcohol. Biotechnol Bioeng 1994; 43:1118-23. [DOI: 10.1002/bit.260431116] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Nagayasu T, Miyanaga M, Tanaka T, Sakiyama T, Nakanishi K. Synthesis of dipeptide precursors with an immobilized thermolysin in ethyl acetate. Biotechnol Bioeng 1994; 43:1108-17. [DOI: 10.1002/bit.260431115] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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31
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Richards AO, Gill IS, Vulfson EN. Continuous enzymatic production of oligopeptides: synthesis of an enkephalin pentapeptide in a multistage bioreactor. Enzyme Microb Technol 1993; 15:928-35. [PMID: 7764252 DOI: 10.1016/0141-0229(93)90168-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
A feasibility study of the continuous enzymatic production of short oligopeptides was undertaken using the synthesis of [Leu5]-enkephalin pentapeptides as a model system. A three-stage bioreactor was designed to perform the independent syntheses of the constituent tri- and dipeptide fragments and their subsequent condensation. Both the N-terminal (N-X-L-Tyr.Gly.GlyOEt) and C-terminal (L-Phe.LeuNH2) peptides were prepared in 75-85% yield in column reactors packed with Celite-immobilized alpha-chymotrypsin. The enkephalin pentapeptide was obtained in up to 30% yield in the third bioreactor module containing Celite-immobilized proteinase K. The bioreactor was run continuously for over 1,000 h, producing, under steady-state conditions, up to 0.7 g day-1 of the pentapeptide.
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Affiliation(s)
- A O Richards
- Department of Biotechnology and Enzymology, AFRC Institute of Food Research, Reading, UK
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32
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Lee KH, Lee PM, Siaw YS, Morihara K. Aspartame precursor synthesis in water miscible cosolvent catalysed by thermolysin. Biotechnol Lett 1992. [DOI: 10.1007/bf01027021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Matsuno R, Kimura Y, Adachi S, Nakanishi K. Factors affecting performance of a proteinase-catalyzed bioreactor for oligopeptide syntheses. Ann N Y Acad Sci 1992; 672:363-73. [PMID: 1476382 DOI: 10.1111/j.1749-6632.1992.tb32702.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- R Matsuno
- Department of Food Science and Technology, Faculty of Agriculture, Kyoto University, Japan
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MATSUNO RYUICHI, KIMURA YUKITAKA, ADACHI SHUJI, NAKANISHI KAZUHIRO. Factors Affecting Performance of a Proteinase-Catalyzed Bioreactor for Oligopeptide Syntheses. Ann N Y Acad Sci 1992. [DOI: 10.1111/j.1749-6632.1992.tb35646.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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