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Liu J, Feng X, Liang L, Sun L, Meng D. Enzymatic biosynthesis of D-galactose derivatives: Advances and perspectives. Int J Biol Macromol 2024; 267:131518. [PMID: 38615865 DOI: 10.1016/j.ijbiomac.2024.131518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/08/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
D-Galactose derivatives, including galactosyl-conjugates and galactose-upgrading compounds, provide various physiological benefits and find applications in industries such as food, cosmetics, feed, pharmaceuticals. Many research on galactose derivatives focuses on identification, characterization, development, and mechanistic aspects of their physiological function, providing opportunities and challenges for the development of practical approaches for synthesizing galactose derivatives. This study focuses on recent advancements in enzymatic biosynthesis of galactose derivatives. Various strategies including isomerization, epimerization, transgalactosylation, and phosphorylation-dephosphorylation were extensively discussed under the perspectives of thermodynamic feasibility, theoretical yield, cost-effectiveness, and by-product elimination. Specifically, the enzymatic phosphorylation-dephosphorylation cascade is a promising enzymatic synthesis route for galactose derivatives because it can overcome the thermodynamic equilibrium of isomerization and utilize cost-effective raw materials. The study also elucidates the existing challenges and future trends in enzymatic biosynthesis of galactose derivatives. Collectively, this review provides a real-time summary aimed at promoting the practical biosynthesis of galactose derivatives through enzymatic catalysis.
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Affiliation(s)
- Juanjuan Liu
- College of Life Sciences, Yantai University, Yantai 264005, Shandong, China
| | - Xinming Feng
- College of Life Sciences, Yantai University, Yantai 264005, Shandong, China; Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovation Utilization, Yantai University, Yantai 264005, Shandong, China
| | - Likun Liang
- College of Life Sciences, Yantai University, Yantai 264005, Shandong, China
| | - Liqin Sun
- College of Life Sciences, Yantai University, Yantai 264005, Shandong, China; Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovation Utilization, Yantai University, Yantai 264005, Shandong, China.
| | - Dongdong Meng
- College of Life Sciences, Yantai University, Yantai 264005, Shandong, China; Yantai Key Laboratory of Characteristic Agricultural Biological Resources Conservation and Germplasm Innovation Utilization, Yantai University, Yantai 264005, Shandong, China.
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Frohnmeyer H, Verkade JMM, Spiertz M, Rentsch A, Hoffmann N, Sobota M, Schwede F, Tjeerdsma P, Elling L. Process Development for the Enzymatic Gram-Scale Production of the Unnatural Nucleotide Sugar UDP-6-Azido-GalNAc. CHEMSUSCHEM 2024:e202400311. [PMID: 38655621 DOI: 10.1002/cssc.202400311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/27/2024] [Accepted: 04/23/2024] [Indexed: 04/26/2024]
Abstract
Azido sugars hold great promise as substrates in numerous click-chemistry applications. However, the synthesis of activated azido sugars is limited by cost and complexity. Conventional chemical activation methods are intricate and time-consuming. In response, we have developed a process for the large-scale production of UDP-6-azido-GalNAc through enzymatic nucleotide sugar synthesis on a gram scale. Our optimization strategies encompassed refining the process parameters of an enzyme cascade featuring NahK from Bifidobacterium longum and AGX1 from Homo sapiens. Using the repetitive-batch-mode technology, we synthesized up to 2.1 g of UDP-6-azido-GalNAc, achieving yields up to 97 % in five consecutive batch cycles using a single enzyme batch. The synthesis process demonstrated to have total turnover numbers (TTNs) between 4.4-4.8 g of product per gram of enzyme (gP/gE) and STYs ranging from 1.7-2.4 g per liter per hour (g*L-1*h-1). By purification of a product solution pool containing 2.6 g (4.1 mmol) UDP-6-azido-GalNAc, 2.1 g (2,122.1 mg) UDP-6-azido-GalNAc (sodium salt) with a purity of 99.96 % (HPLC) were obtained. The overall recovery after purification was 81 % (3.32 mmol). Our work establishes a robust production platform for the gram-scale synthesis of unnatural nucleotide sugars, opening new avenues for applications in glycan engineering.
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Affiliation(s)
- Hannes Frohnmeyer
- RWTH Aachen University, Laboratory for Biomaterials, Institute of Biotechnology and Helmholtz-Institute for Biomedical Engineering, Pauwelsstraße 20, 52074, Aachen, Germany
| | - Jorge M M Verkade
- Synaffix BV, Pivot Park, Kloosterstraat 9, 5349 AB, Oss, The Netherlands
| | - Markus Spiertz
- SeSaM-Biotech GmbH, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Andreas Rentsch
- Biolog Life Science Institute GmbH & Co. KG, Flughafendamm 9a, 28199, Bremen, Germany
| | - Niels Hoffmann
- RWTH Aachen University, Laboratory for Biomaterials, Institute of Biotechnology and Helmholtz-Institute for Biomedical Engineering, Pauwelsstraße 20, 52074, Aachen, Germany
| | - Milan Sobota
- SeSaM-Biotech GmbH, Forckenbeckstraße 50, 52074, Aachen, Germany
| | - Frank Schwede
- Biolog Life Science Institute GmbH & Co. KG, Flughafendamm 9a, 28199, Bremen, Germany
| | - Peter Tjeerdsma
- Synaffix BV, Pivot Park, Kloosterstraat 9, 5349 AB, Oss, The Netherlands
| | - Lothar Elling
- RWTH Aachen University, Laboratory for Biomaterials, Institute of Biotechnology and Helmholtz-Institute for Biomedical Engineering, Pauwelsstraße 20, 52074, Aachen, Germany
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Li Y, Chen Q, Liu S, Deng L, Li S, Gao R. Efficient One-Pot Synthesis of Uridine Diphosphate Galactose Employing a Trienzyme System. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:3644-3653. [PMID: 38335068 DOI: 10.1021/acs.jafc.3c08749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
The limited availability of high-cost nucleotide sugars is a significant constraint on the application of their downstream products (glycosides and prebiotics) in the food or pharmaceutical industry. To better solve the problem, this study presented a one-pot approach for the biosynthesis of UDP-Gal using a thermophilic multienzyme system consisting of GalK, UGPase, and PPase. Under optimal conditions, a 2 h reaction resulted in a UTP conversion rate of 87.4%. In a fed-batch reaction with Gal/ATP = 20 mM:10 mM, UDP-Gal accumulated to 33.76 mM with a space-time yield (STY) of 6.36 g/L·h-1 after the second feeding. In repetitive batch synthesis, the average yield of UDP-Gal over 8 cycles reached 10.80 g/L with a very low biocatalyst loading of 0.002 genzymes/gproduct. Interestingly, Galk (Tth0595) could synthesize Gal-1P using ADP as a donor of phosphate groups, which had never been reported before. This approach possessed the benefits of high synthesis efficiency, low cost, and superior reaction system stability, and it provided new insights into the rapid one-pot synthesis of UDP-Gal and high-value glycosidic compounds.
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Affiliation(s)
- Yajing Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Qi Chen
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Siyao Liu
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Lin Deng
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Shichao Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
| | - Renjun Gao
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Science, Jilin University, Changchun 130021, China
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Alberto Alcalá-Orozco E, Grote V, Fiebig T, Klamt S, Reichl U, Rexer T. A Cell-Free Multi-enzyme Cascade Reaction for the Synthesis of CDP-Glycerol. Chembiochem 2023; 24:e202300463. [PMID: 37578628 DOI: 10.1002/cbic.202300463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 08/15/2023]
Abstract
CDP-glycerol is a nucleotide-diphosphate-activated version of glycerol. In nature, it is required for the biosynthesis of teichoic acid in Gram-positive bacteria, which is an appealing target epitope for the development of new vaccines. Here, a cell-free multi-enzyme cascade was developed to synthetize nucleotide-activated glycerol from the inexpensive and readily available substrates cytidine and glycerol. The cascade comprises five recombinant enzymes expressed in Escherichia coli that were purified by immobilized metal affinity chromatography. As part of the cascade, ATP is regenerated in situ from polyphosphate to reduce synthesis costs. The enzymatic cascade was characterized at the laboratory scale, and the products were analyzed by high-performance anion-exchange chromatography (HPAEC)-UV and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). After the successful synthesis had been confirmed, a design-of-experiments approach was used to screen for optimal operation conditions (temperature, pH value and MgCl2 concentration). Overall, a substrate conversion of 89 % was achieved with respect to the substrate cytidine.
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Affiliation(s)
- E Alberto Alcalá-Orozco
- Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, 39106, Magdeburg, Germany
| | - Valerian Grote
- Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, 39106, Magdeburg, Germany
| | - Timm Fiebig
- Institute of Clinical Biochemistry, Hannover Medical School, 30625, Hannover, Germany
| | - Steffen Klamt
- Analysis and Redesign of Biological Networks, Max Planck Institute for Dynamics of Complex Technical Systems, 39106, Magdeburg, Germany
| | - Udo Reichl
- Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, 39106, Magdeburg, Germany
- Chair of Bioprocess Engineering, Otto-von-Guericke University Magdeburg, 39104, Magdeburg, Germany
| | - Thomas Rexer
- Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, 39106, Magdeburg, Germany
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Hussnaetter KP, Palm P, Pich A, Franzreb M, Rapp E, Elling L. Strategies for Automated Enzymatic Glycan Synthesis (AEGS). Biotechnol Adv 2023; 67:108208. [PMID: 37437855 DOI: 10.1016/j.biotechadv.2023.108208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/14/2023]
Abstract
Glycans are the most abundant biopolymers on earth and are constituents of glycoproteins, glycolipids, and proteoglycans with multiple biological functions. The availability of different complex glycan structures is of major interest in biotechnology and basic research of biological systems. High complexity, establishment of general and ubiquitous synthesis techniques, as well as sophisticated analytics, are major challenges in the development of glycan synthesis strategies. Enzymatic glycan synthesis with Leloir-glycosyltransferases is an attractive alternative to chemical synthesis as it can achieve quantitative regio- and stereoselective glycosylation in a single step. Various strategies for synthesis of a wide variety of different glycan structures has already be established and will exemplarily be discussed in the scope of this review. However, the application of enzymatic glycan synthesis in an automated system has high demands on the equipment, techniques, and methods. Different automation approaches have already been shown. However, while these techniques have been applied for several glycans, only a few strategies are able to conserve the full potential of enzymatic glycan synthesis during the process - economical and enzyme technological recycling of enzymes is still rare. In this review, we show the major challenges towards Automated Enzymatic Glycan Synthesis (AEGS). First, we discuss examples for immobilization of glycans or glycosyltransferases as an important prerequisite for the embedment and implementation in an enzyme reactor. Next, improvement of bioreactors towards automation will be described. Finally, analysis and monitoring of the synthesis process are discussed. Furthermore, automation processes and cycle design are highlighted. Accordingly, the transition of recent approaches towards a universal automated glycan synthesis platform will be projected. To this end, this review aims to describe essential key features for AEGS, evaluate the current state-of-the-art and give thought- encouraging impulses towards future full automated enzymatic glycan synthesis.
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Affiliation(s)
- Kai Philip Hussnaetter
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Philip Palm
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany
| | - Andrij Pich
- Functional and Interactive Polymers, Institute of Technical and Macromolecular Chemistry and DWI Leibniz-Institute for Interactive Materials e.V., RWTH Aachen University, Forckenbeckstr. 50, 52074 Aachen, Germany
| | - Matthias Franzreb
- Karlsruher Institute of Technology (KIT), Institute of Functional Interfaces, Hermann v. Helmholtz, Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Erdmann Rapp
- glyXera GmbH, Brenneckestrasse 20 * ZENIT, 39120 Magdeburg, Germany; Max Planck Institute for Dynamics of Complex Technical System, Bioprocess Engineering, Sandtorstrasse 1, 39106 Magdeburg, Germany
| | - Lothar Elling
- Laboratory for Biomaterials, Institute for Biotechnology and Helmholtz-Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstraße 20, D-52074 Aachen, Germany.
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Jaroensuk J, Chuaboon L, Chaiyen P. Biochemical reactions for in vitro ATP production and their applications. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.112937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Enzyme cascades for the synthesis of nucleotide sugars: Updates to recent production strategies. Carbohydr Res 2023; 523:108727. [PMID: 36521208 DOI: 10.1016/j.carres.2022.108727] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 11/30/2022]
Abstract
Nucleotide sugars play an elementary role in nature as building blocks of glycans, polysaccharides, and glycoconjugates used in the pharmaceutical, cosmetics, and food industries. As substrates of Leloir-glycosyltransferases, nucleotide sugars are essential for chemoenzymatic in vitro syntheses. However, high costs and the limited availability of nucleotide sugars prevent applications of biocatalytic cascades on a large industrial scale. Therefore, the focus is increasingly on nucleotide sugar synthesis strategies to make significant application processes feasible. The chemical synthesis of nucleotide sugars and their derivatives is well established, but the yields of these processes are usually low. Enzyme catalysis offers a suitable alternative here, and in the last 30 years, many synthesis routes for nucleotide sugars have been discovered and used for production. However, many of the published procedures shy away from assessing the practicability of their processes. With this review, we give an insight into the development of the (chemo)enzymatic nucleotide sugar synthesis pathways of the last years and present an assessment of critical process parameters such as total turnover number (TTN), space-time yield (STY), and enzyme loading.
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Rexer T, Son T, Alcala A, Mahour R, Reichl U. Cell‐free biocatalytic synthesis of nucleotide sugars. CHEM-ING-TECH 2022. [DOI: 10.1002/cite.202255124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- T. Rexer
- Max Planck Institute for Dynamics of Complex Technical Systems Bioprocess Engineering Sandtorstr. 1 39106 Magdeburg Germany
| | - T. H. Son
- Max Planck Institute for Dynamics of Complex Technical Systems Bioprocess Engineering Sandtorstr. 1 39106 Magdeburg Germany
| | - A. Alcala
- Max Planck Institute for Dynamics of Complex Technical Systems Bioprocess Engineering Sandtorstr. 1 39106 Magdeburg Germany
| | - R. Mahour
- Max Planck Institute for Dynamics of Complex Technical Systems Bioprocess Engineering Sandtorstr. 1 39106 Magdeburg Germany
| | - U. Reichl
- Max Planck Institute for Dynamics of Complex Technical Systems Bioprocess Engineering Sandtorstr. 1 39106 Magdeburg Germany
- Otto-von-Guericke University Magdeburg Chair of Bioprocess Engineering Universitätsplatz 2 39106 Magdeburg Germany
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