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Controlled processivity in glycosyltransferases: A way to expand the enzymatic toolbox. Biotechnol Adv 2023; 63:108081. [PMID: 36529206 DOI: 10.1016/j.biotechadv.2022.108081] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/20/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022]
Abstract
Glycosyltransferases (GT) catalyse the biosynthesis of complex carbohydrates which are the most abundant group of molecules in nature. They are involved in several key mechanisms such as cell signalling, biofilm formation, host immune system invasion or cell structure and this in both prokaryotic and eukaryotic cells. As a result, research towards complete enzyme mechanisms is valuable to understand and elucidate specific structure-function relationships in this group of molecules. In a next step this knowledge could be used in GT protein engineering, not only for rational drug design but also for multiple biotechnological production processes, such as the biosynthesis of hyaluronan, cellooligosaccharides or chitooligosaccharides. Generation of these poly- and/or oligosaccharides is possible due to a common feature of several of these GTs: processivity. Enzymatic processivity has the ability to hold on to the growing polymer chain and some of these GTs can even control the number of glycosyl transfers. In a first part, recent advances in understanding the mechanism of various processive enzymes are discussed. To this end, an overview is given of possible engineering strategies for the purpose of new industrial and fundamental applications. In the second part of this review, we focused on specific chain length-controlling mechanisms, i.e., key residues or conserved regions, and this for both eukaryotic and prokaryotic enzymes.
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2
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Zheng Y, Zhang J, Meisner J, Li W, Luo Y, Wei F, Wen L. Cofactor-Driven Cascade Reactions Enable the Efficient Preparation of Sugar Nucleotides. Angew Chem Int Ed Engl 2022; 61:e202115696. [PMID: 35212445 DOI: 10.1002/anie.202115696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 12/14/2022]
Abstract
Glycosylation is catalyzed by glycosyltransferases using sugar nucleotides or occasionally lipid-linked phosphosugars as donors. However, only very few common sugar nucleotides that occur in humans can be obtained readily, while the majority of sugar nucleotides that exist in bacteria, plants, archaea, or viruses cannot be synthesized in sufficient quantities by either enzymatic or chemical synthesis. The limited availability of such rare sugar nucleotides is one of the major obstacles that has greatly hampered progress in glycoscience. Herein we describe a general cofactor-driven cascade conversion strategy for the efficient synthesis of sugar nucleotides. The described strategy allows the large-scale preparation of rare sugar nucleotides from common sugars in high yields and without the need for tedious purification processes.
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Affiliation(s)
- Yuan Zheng
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jiabin Zhang
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China.,Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Zhongshan, Guangdong, 528400, China
| | | | - Wanjin Li
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yawen Luo
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Fangyu Wei
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Liuqing Wen
- Carbohydrate-Based Drug Research Center, Shanghai Institute of Materia Media, Chinese Academy of Sciences, Shanghai, 201203, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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3
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Wen L, Zheng Y, Zhang J, Meisner J, Li W, Luo Y, Wei F. Cofactor‐Driven Cascade Reactions Enable the Efficient Preparation of Sugar Nucleotides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Liuqing Wen
- Shanghai Institute of Materia Medica Chinese Academy of Sciences Chemistry 501 Haike Road 30303 shanghai CHINA
| | - Yuan Zheng
- Shanghai Institute of Materia Medica Chinese Academy of Sciences Carbohydrate-based drug research center CHINA
| | - Jiabinq Zhang
- Shanghai Institute of Materia Medica Chinese Academy of Sciences Carbohydrate-based drug research center CHINA
| | | | - Wanjin Li
- Shanghai Institute of Materia Medica Chinese Academy of Sciences carbohydrate-based drug research center CHINA
| | - Yawen Luo
- Shanghai Institute of Materia Medica Chinese Academy of Sciences cArbohydrate-based drug research center CHINA
| | - Fangyu Wei
- Shanghai Institute of Materia Medica Chinese Academy of Sciences carbohydrate-based drug research center CHINA
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4
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Karimi Alavijeh M, Meyer AS, Gras SL, Kentish SE. Synthesis of N-Acetyllactosamine and N-Acetyllactosamine-Based Bioactives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:7501-7525. [PMID: 34152750 DOI: 10.1021/acs.jafc.1c00384] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
N-Acetyllactosamine (LacNAc) or more specifically β-d-galactopyranosyl-1,4-N-acetyl-d-glucosamine is a unique acyl-amino sugar and a key structural unit in human milk oligosaccharides, an antigen component of many glycoproteins, and an antiviral active component for the development of effective drugs against viruses. LacNAc is useful itself and as a basic building block for producing various bioactive oligosaccharides, notably because this synthesis may be used to add value to dairy lactose. Despite a significant amount of information in the literature on the benefits, structures, and types of different LacNAc-derived oligosaccharides, knowledge about their effective synthesis for large-scale production is still in its infancy. This work provides a comprehensive analysis of existing production strategies for LacNAc and important LacNAc-based structures, including sialylated LacNAc as well as poly- and oligo-LacNAc. We conclude that direct extraction from milk is too complex, while chemical synthesis is also impractical at an industrial scale. Microbial routes have application when multiple step reactions are needed, but the major route to large-scale biochemical production will likely lie with enzymatic routes, particularly those using β-galactosidases (for LacNAc synthesis), sialidases (for sialylated LacNAc synthesis), and β-N-acetylhexosaminidases (for oligo-LacNAc synthesis). Glycosyltransferases, especially for the biosynthesis of extended complex LacNAc structures, could also play a major role in the future. In these cases, immobilization of the enzyme can increase stability and reduce cost. Processing parameters, such as substrate concentration and purity, acceptor/donor ratio, water activity, and temperature, can affect product selectivity and yield. More work is needed to optimize these reaction parameters and in the development of robust, thermally stable enzymes to facilitate commercial production of these important bioactive substances.
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Affiliation(s)
- M Karimi Alavijeh
- Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
- Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - A S Meyer
- Protein Chemistry and Enzyme Technology Division, Department of Biotechnology and Biomedicine, Technical University of Denmark (DTU), DK-2800 Kongens Lyngby, Denmark
| | - S L Gras
- Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
- Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - S E Kentish
- Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
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5
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Hunter CD, Guo T, Daskhan G, Richards MR, Cairo CW. Synthetic Strategies for Modified Glycosphingolipids and Their Design as Probes. Chem Rev 2018; 118:8188-8241. [DOI: 10.1021/acs.chemrev.8b00070] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Carmanah D. Hunter
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Tianlin Guo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Gour Daskhan
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michele R. Richards
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Christopher W. Cairo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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6
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Gutmann A, Nidetzky B. Unlocking the Potential of Leloir Glycosyltransferases for Applied Biocatalysis: Efficient Synthesis of Uridine 5′-Diphosphate-Glucose by Sucrose Synthase. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600754] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Alexander Gutmann
- Institute of Biotechnology and Biochemical Engineering; Graz University of Technology, NAWI Graz; Petersgasse 12 8010 Graz Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering; Graz University of Technology, NAWI Graz; Petersgasse 12 8010 Graz Austria
- Austrian Centre of Industrial Biotechnology; Petersgasse 14 8010 Graz Austria
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7
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Mende M, Bednarek C, Wawryszyn M, Sauter P, Biskup MB, Schepers U, Bräse S. Chemical Synthesis of Glycosaminoglycans. Chem Rev 2016; 116:8193-255. [DOI: 10.1021/acs.chemrev.6b00010] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Marco Mende
- Institute
of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Christin Bednarek
- Institute
of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Mirella Wawryszyn
- Institute
of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Paul Sauter
- Institute
of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Moritz B. Biskup
- Division
2—Informatics, Economics and Society, Karlsruhe Institute of Technology (KIT), Kaiserstraße 12, D-76131 Karlsruhe, Germany
| | - Ute Schepers
- Institute
of Toxicology and Genetics, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
| | - Stefan Bräse
- Institute
of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
- Institute
of Toxicology and Genetics, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
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8
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Chen R. The sweet branch of metabolic engineering: cherry-picking the low-hanging sugary fruits. Microb Cell Fact 2015; 14:197. [PMID: 26655367 PMCID: PMC4674990 DOI: 10.1186/s12934-015-0389-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 11/25/2015] [Indexed: 02/08/2023] Open
Abstract
In the first science review on the then nascent Metabolic Engineering field in 1991, Dr. James E. Bailey described how improving erythropoietin (EPO) glycosylation can be achieved via metabolic engineering of Chinese hamster ovary (CHO) cells. In the intervening decades, metabolic engineering has brought sweet successes in glycoprotein engineering, including antibodies, vaccines, and other human therapeutics. Today, not only eukaryotes (CHO, plant, insect, yeast) are being used for manufacturing protein therapeutics with human-like glycosylation, newly elucidated bacterial glycosylation systems are enthusiastically embraced as potential breakthrough to revolutionize the biopharmaceutical industry. Notwithstanding these excitement in glycoprotein, the sweet metabolic engineering reaches far beyond glycoproteins. Many different types of oligo- and poly-saccharides are synthesized with metabolically engineered cells. For example, several recombinant hyaluronan bioprocesses are now in commercial production, and the titer of 2′-fucosyllactose, the most abundant fucosylated trisaccharide in human milk, reaches over 20 g/L with engineered E. coli cells. These successes represent only the first low hanging fruits, which have been appreciated scientifically, medically and fortunately, commercially as well. As one of the four building blocks of life, sugar molecules permeate almost all aspects of life. They are also unique in being intimately associated with all major types of biopolymers (including DNA/RNA, proteins, lipids) meanwhile they stand alone as bioactive polysaccharides, or free soluble oligosaccharides. As such, all sugar moieties in biological components, small or big and free or bound, are important targets for metabolic engineering. Opportunities abound at the interface of glycosciences and metabolic engineering. Continued investment and successes in this branch of metabolic engineering will make vastly diverse sugar-containing molecules (a.k.a. glycoconjugates) available for biomedical applications, sustainable technology development, and as invaluable tools for basic scientific research. This short review focuses on the most recent development in the field, with emphasis on the synthesis technology for glycoprotein, polysaccharide, and oligosaccharide.
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Affiliation(s)
- Rachel Chen
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, NW, Atlanta, GA, 30332-0100, USA.
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9
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Schmölzer K, Gutmann A, Diricks M, Desmet T, Nidetzky B. Sucrose synthase: A unique glycosyltransferase for biocatalytic glycosylation process development. Biotechnol Adv 2015; 34:88-111. [PMID: 26657050 DOI: 10.1016/j.biotechadv.2015.11.003] [Citation(s) in RCA: 129] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 11/18/2015] [Accepted: 11/24/2015] [Indexed: 01/24/2023]
Abstract
Sucrose synthase (SuSy, EC 2.4.1.13) is a glycosyltransferase (GT) long known from plants and more recently discovered in bacteria. The enzyme catalyzes the reversible transfer of a glucosyl moiety between fructose and a nucleoside diphosphate (NDP) (sucrose+NDP↔NDP-glucose+fructose). The equilibrium for sucrose conversion is pH dependent, and pH values between 5.5 and 7.5 promote NDP-glucose formation. The conversion of a bulk chemical to high-priced NDP-glucose in a one-step reaction provides the key aspect for industrial interest. NDP-sugars are important as such and as key intermediates for glycosylation reactions by highly selective Leloir GTs. SuSy has gained renewed interest as industrially attractive biocatalyst, due to substantial scientific progresses achieved in the last few years. These include biochemical characterization of bacterial SuSys, overproduction of recombinant SuSys, structural information useful for design of tailor-made catalysts, and development of one-pot SuSy-GT cascade reactions for production of several relevant glycosides. These advances could pave the way for the application of Leloir GTs to be used in cost-effective processes. This review provides a framework for application requirements, focusing on catalytic properties, heterologous enzyme production and reaction engineering. The potential of SuSy biocatalysis will be presented based on various biotechnological applications: NDP-sugar synthesis; sucrose analog synthesis; glycoside synthesis by SuSy-GT cascade reactions.
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Affiliation(s)
- Katharina Schmölzer
- Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010 Graz, Austria.
| | - Alexander Gutmann
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12/I, 8010 Graz, Austria.
| | - Margo Diricks
- Centre for Industrial Biotechnology and Biocatalysis, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
| | - Tom Desmet
- Centre for Industrial Biotechnology and Biocatalysis, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
| | - Bernd Nidetzky
- Austrian Centre of Industrial Biotechnology, Petersgasse 14, 8010 Graz, Austria; Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12/I, 8010 Graz, Austria.
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10
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Saeui CT, Urias E, Liu L, Mathew MP, Yarema KJ. Metabolic glycoengineering bacteria for therapeutic, recombinant protein, and metabolite production applications. Glycoconj J 2015; 32:425-41. [PMID: 25931032 DOI: 10.1007/s10719-015-9583-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 03/16/2015] [Accepted: 03/19/2015] [Indexed: 12/12/2022]
Abstract
Metabolic glycoengineering is a specialization of metabolic engineering that focuses on using small molecule metabolites to manipulate biosynthetic pathways responsible for oligosaccharide and glycoconjugate production. As outlined in this article, this technique has blossomed in mammalian systems over the past three decades but has made only modest progress in prokaryotes. Nevertheless, a sufficient foundation now exists to support several important applications of metabolic glycoengineering in bacteria based on methods to preferentially direct metabolic intermediates into pathways involved in lipopolysaccharide, peptidoglycan, teichoic acid, or capsule polysaccharide production. An overview of current applications and future prospects for this technology are provided in this report.
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Affiliation(s)
- Christopher T Saeui
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, USA
| | - Esteban Urias
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, USA
| | - Lingshu Liu
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, USA
| | - Mohit P Mathew
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, USA
| | - Kevin J Yarema
- Department of Biomedical Engineering and the Translational Tissue Engineering Center, The Johns Hopkins University, Baltimore, MD, USA.
- Translational Tissue Engineering Center, The Johns Hopkins University, 5029 Robert H. & Clarice Smith Building, 400 North Broadway, Baltimore, MD, 21231, USA.
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De Bruyn F, Maertens J, Beauprez J, Soetaert W, De Mey M. Biotechnological advances in UDP-sugar based glycosylation of small molecules. Biotechnol Adv 2015; 33:288-302. [PMID: 25698505 DOI: 10.1016/j.biotechadv.2015.02.005] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 12/19/2014] [Accepted: 02/09/2015] [Indexed: 01/04/2023]
Abstract
Glycosylation of small molecules like specialized (secondary) metabolites has a profound impact on their solubility, stability or bioactivity, making glycosides attractive compounds as food additives, therapeutics or nutraceuticals. The subsequently growing market demand has fuelled the development of various biotechnological processes, which can be divided in the in vitro (using enzymes) or in vivo (using whole cells) production of glycosides. In this context, uridine glycosyltransferases (UGTs) have emerged as promising catalysts for the regio- and stereoselective glycosylation of various small molecules, hereby using uridine diphosphate (UDP) sugars as activated glycosyldonors. This review gives an extensive overview of the recently developed in vivo production processes using UGTs and discusses the major routes towards UDP-sugar formation. Furthermore, the use of interconverting enzymes and glycorandomization is highlighted for the production of unusual or new-to-nature glycosides. Finally, the technological challenges and future trends in UDP-sugar based glycosylation are critically evaluated and summarized.
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Affiliation(s)
- Frederik De Bruyn
- Centre of Expertise-Industrial Biotechnology and Biocatalysis, Department of Biochemical and Microbial Technology, Ghent University, Coupure links 653, 9000 Ghent, Belgium
| | - Jo Maertens
- Centre of Expertise-Industrial Biotechnology and Biocatalysis, Department of Biochemical and Microbial Technology, Ghent University, Coupure links 653, 9000 Ghent, Belgium
| | - Joeri Beauprez
- Centre of Expertise-Industrial Biotechnology and Biocatalysis, Department of Biochemical and Microbial Technology, Ghent University, Coupure links 653, 9000 Ghent, Belgium
| | - Wim Soetaert
- Centre of Expertise-Industrial Biotechnology and Biocatalysis, Department of Biochemical and Microbial Technology, Ghent University, Coupure links 653, 9000 Ghent, Belgium
| | - Marjan De Mey
- Centre of Expertise-Industrial Biotechnology and Biocatalysis, Department of Biochemical and Microbial Technology, Ghent University, Coupure links 653, 9000 Ghent, Belgium.
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12
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Han NS, Kim TJ, Park YC, Kim J, Seo JH. Biotechnological production of human milk oligosaccharides. Biotechnol Adv 2012; 30:1268-78. [DOI: 10.1016/j.biotechadv.2011.11.003] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 10/24/2011] [Accepted: 11/08/2011] [Indexed: 01/13/2023]
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13
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Muthana MM, Qu J, Li Y, Zhang L, Yu H, Ding L, Malekan H, Chen X. Efficient one-pot multienzyme synthesis of UDP-sugars using a promiscuous UDP-sugar pyrophosphorylase from Bifidobacterium longum (BLUSP). Chem Commun (Camb) 2012; 48:2728-30. [PMID: 22306833 DOI: 10.1039/c2cc17577k] [Citation(s) in RCA: 99] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A promiscuous UDP-sugar pyrophosphorylase (BLUSP) was cloned from Bifidobacterium longum strain ATCC55813 and used efficiently with a Pasteurella multocida inorganic pyrophosphatase (PmPpA) with or without a monosaccharide 1-kinase for one-pot multienzyme synthesis of UDP-galactose, UDP-glucose, UDP-mannose, and their derivatives. Further chemical diversification of a UDP-mannose derivative resulted in the formation of UDP-N-acetylmannosamine.
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Affiliation(s)
- Musleh M Muthana
- Department of Chemistry, University of California, One Shields Avenue, Davis, California 95616, USA
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Chien W, Liang C, Yu C, Lin JH, Wu H, Lin C. Glucose 1‐Phosphate Thymidylyltransferase in the Synthesis of Uridine 5′‐Diphosphate Galactose and its Application in the Synthesis ofN‐Acetyllactosamine. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201100402] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wei‐Ting Chien
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
| | - Chien‐Fu Liang
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
| | - Ching‐Ching Yu
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
| | - Jian‐ Hong Lin
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
| | - Haung‐Ting Wu
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
| | - Chun‐Cheng Lin
- Department of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang Fu Rd., Hsinchu 30013, Taiwan, Republic of China, Fax: +(886)‐3‐571‐1082; phone: (+886)‐3‐575‐3147
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15
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Dumon C, Samain E, Priem B. Assessment of the Two Helicobacter pylori α-1,3-Fucosyltransferase Ortholog Genes for the Large-Scale Synthesis of LewisX Human Milk Oligosaccharides by Metabolically Engineered Escherichia coli. Biotechnol Prog 2008; 20:412-9. [PMID: 15058985 DOI: 10.1021/bp0342194] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
We previously described a bacterial fermentation process for the in vivo conversion of lactose into fucosylated derivatives of lacto-N-neotetraose Gal(beta1-4)GlcNAc(beta1-3)Gal(beta1-4)Glc (LNnT). The major product obtained was lacto-N-neofucopentaose-V Gal(beta1-4)GlcNAc(beta1-3)Gal(beta1-4)[Fuc(alpha1-3)]Glc, carrying fucose on the glucosyl residue of LNnT. Only a small amount of oligosaccharides fucosylated on N-acetylglucosaminyl residues and thus carrying the LewisX group (Le(X)) was also produced. We report here a fermentation process for the large-scale production of Le(X) oligosaccharides. The two fucosyltransferase genes futA and futB of Helicobacter pylori (strain 26695) were compared in order to optimize fucosylation in vivo. futA was found to provide the best activity on the LNnT acceptor, whereas futB expressed a better Le(X) activity in vitro. Both genes were expressed to produce oligosaccharides in engineered Escherichia coli (E. coli) cells. The fucosylation pattern of the recombinant oligosaccharides was closely correlated with the specificity observed in vitro, FutB favoring the formation of Le(X) carrying oligosaccharides. Lacto-N-neodifucohexaose-II Gal(beta1-4)[Fuc(alpha1-3)]GlcNAc(beta1-3)Gal(beta1-4)[Fuc(alpha1-3)]Glc represented 70% of the total oligosaccharide amount of futA-on-driven fermentation and was produced at a concentration of 1.7 g/L. Fermentation driven by futB led to equal amounts of both lacto-N-neofucopentaose-V and lacto-N-neofucopentaose-II Gal(beta1-4)[Fuc(alpha1-3)]GlcNAc(beta1-3)Gal(beta1-4)Glc, produced at 280 and 260 mg/L, respectively. Unexpectedly, a noticeable proportion (0.5 g/L) of the human milk oligosaccharide 3-fucosyllactose Gal(beta1-4)[Fuc(alpha1-3)]Glc was produced in futA-on-driven fermentation, underlining the activity of fucosyltransferase FutA in E. coli and leading to a reassessment of its activity on lactose. All oligosaccharides produced by the products of both fut genes were natural compounds of human milk.
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Affiliation(s)
- Claire Dumon
- CERMAV-CNRS, 601 Rue de la Chimie, BP 53, 38041 Grenoble Cedex 09, France
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16
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Qian X, Sujino K, Palcic MM, Ratcliffe RM. GLYCOSYLTRANSFERASES IN OLIGOSACCHARIDE SYNTHESIS. J Carbohydr Chem 2007. [DOI: 10.1081/car-120016492] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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17
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Abstract
Information contained in the mammalian glycome is decoded by glycan-binding proteins (GBPs) that mediate diverse functions including host-pathogen interactions, cell trafficking and transmembrane signaling. Although information on the biological roles of GBPs is rapidly expanding, challenges remain in identifying the glycan ligands and their impact on GBP function. Protein-glycan interactions are typically low affinity, requiring multivalent interactions to achieve a biological effect. Though many glycoproteins can carry the glycan structure recognized by the GBP, other factors, such as recognition of protein epitopes and microdomain localization, may restrict which glycoproteins are functional ligands in situ. Recent advances in development of glycan arrays, synthesis of multivalent glycan ligands, bioengineering of cell-surface glycans and glycomics databases are providing new tools to identify the ligands of GBPs and to elucidate the mechanisms by which they participate in GBP function.
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Affiliation(s)
- James C Paulson
- Department of Molecular Biology, The Scripps Research Institute, La Jolla, California 92037, USA.
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18
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Ruffing A, Mao Z, Ruizhen Chen R. Metabolic engineering of Agrobacterium sp. for UDP-galactose regeneration and oligosaccharide synthesis. Metab Eng 2006; 8:465-73. [PMID: 16890004 DOI: 10.1016/j.ymben.2006.05.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2006] [Revised: 05/19/2006] [Accepted: 05/19/2006] [Indexed: 10/24/2022]
Abstract
Curdlan-producing Agrobacterium sp. is unique in possessing a highly efficient UDP-glucose regeneration system. A broad-host-range expression strategy was successfully developed to exploit the unique metabolic capability for UDP-galactose regeneration during oligosaccharide synthesis. The engineered Agrobacterium cells functioned as a UDP-galactose regeneration system, allowing galactose-containing disaccharides to be synthesized from glucose or other simple sugars. Unexpectedly, a lag period of 24h preceded the active synthesis, which could be eliminated with rifampicin. An intracellular nucleotide profiling revealed that the UMP level was elevated by 3.8 fold in the presence of rifampicin, suggesting that rifampicin simulated a nitrogen-limitation condition that triggered the metabolic change. Product selectivity was improved nearly 40-fold by using high acceptor concentration and restricting glucose supply. N-acetyllactosamine concentration near 20 mM (7.5 g/l) was obtained, demonstrating the effectiveness of the engineered strain in UDP-galactose regeneration. This organism could be engineered to regenerate other UDP-sugar nucleotides using the same strategy as illustrated here.
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Affiliation(s)
- Anne Ruffing
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, GA 30332-0100, USA
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19
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Abstract
The expanding interest for carbohydrates and glycoconjugates in cell communication has led to an increased demand of these structures for biological studies. Complicated chemical strategies in glycan synthesis are now more frequently replaced by regio- and stereo-specific enzymes. The exploration of microbial resources and improved production of mammalian enzymes have established glycosyltransferases as an efficient complementary tool for glycan synthesis. In this chapter, we demonstrate the feasibility of preparative enzymatic synthesis of different categories of glycans, such as blood group and tumor-associated poly-N-acetyllactosamines antigens, ganglio-oligosaccharides, N- and O-glycans. The enzymatic approach has generated over 100 novel oligosaccharides in amounts allowing milligram to gram distribution to many researchers in the field. Our diverse library has also formed the foundation for the successful developments of both the noncovalent enzyme-linked immunosorbent assay glycan array and the covalent printed glycan microarray.
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Affiliation(s)
- Ola Blixt
- Department of Molecular Biology, The Scripps Research Institute, La Jolla, CA, USA
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20
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García-Junceda E, García-García JF, Bastida A, Fernández-Mayoralas A. Enzymes in the synthesis of bioactive compounds: the prodigious decades. Bioorg Med Chem 2004; 12:1817-34. [PMID: 15051051 DOI: 10.1016/j.bmc.2004.01.032] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2003] [Accepted: 01/16/2004] [Indexed: 11/16/2022]
Abstract
The growing demand for enantiomerically pure pharmaceuticals has impelled research on enzymes as catalysts for asymmetric synthetic transformations. However, the use of enzymes for this purpose was rather limited until the discovery that enzymes can work in organic solvents. Since the advent of the PCR the number of available enzymes has been growing rapidly and the tailor-made biocatalysts are becoming a reality. Thus, it has been possible the use of enzymes for the synthesis of new innovative medicines such as carbohydrates and their incorporation to modern methods for drug development, such as combinatorial chemistry. Finally, the genomic research is allowing the manipulation of whole genomes opening the door to the combinatorial biosynthesis of compounds. In this review, our intention is to highlight the main landmarks that have led to transfer the chemical efficiency shown by the enzymes in the cell to the synthesis of bioactive molecules in the lab during the last 20 years.
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Affiliation(s)
- Eduardo García-Junceda
- Departamento de Química Orgánica Biológica, Instituto de Química Orgánica General, CSIC, C/ Juan de la Cierva 3. Madrid 28006, Spain.
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21
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Zhang J, Chen X, Shao J, Liu Z, Kowal P, Lu Y, Wang PG. Synthesis of galactose-containing oligosaccharides through superbeads and superbug approaches: substrate recognition along different biosynthetic pathways. Methods Enzymol 2003; 362:106-24. [PMID: 12968360 DOI: 10.1016/s0076-6879(03)01009-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jianbo Zhang
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA
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22
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Shao J, Hayashi T, Wang PG. Enhanced production of alpha-galactosyl epitopes by metabolically engineered Pichia pastoris. Appl Environ Microbiol 2003; 69:5238-42. [PMID: 12957908 PMCID: PMC194961 DOI: 10.1128/aem.69.9.5238-5242.2003] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A metabolically engineered Pichia pastoris strain was constructed that harbored three heterologous enzymes: an S11E mutated sucrose synthase from Vigna radiata, a truncated UDP-glucose C4 epimerase from Saccharomyces cerevisiae, and a truncated bovine alpha-1,3-galactosyltransferase. Each gene has its own methanol-inducible alcohol oxidase 1 promoter and transcription terminator on the chromosomal DNA of P. pastoris strain GS115. The proteins were coexpressed intracellularly under the induction of methanol. After permeabilization, the whole P. pastoris cells were used to synthesize alpha-galactosyl (alpha-Gal) trisaccharide (Galalpha1,3Galbeta1,4Glc) with in situ regeneration of UDP-galactose. Up to 28 mM alpha-Gal was accumulated in a 200-ml reaction. The Pichia system described here is simple and flexible. This work demonstrates that recombinant P. pastoris is an excellent alternative to Escherichia coli transformants in large-scale synthesis of oligosaccharides.
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Affiliation(s)
- Jun Shao
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA
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23
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Liu Z, Lu Y, Zhang J, Pardee K, Wang PG. P1 Trisaccharide (Galalpha1,4Galbeta1,4GlcNAc) synthesis by enzyme glycosylation reactions using recombinant Escherichia coli. Appl Environ Microbiol 2003; 69:2110-5. [PMID: 12676690 PMCID: PMC154772 DOI: 10.1128/aem.69.4.2110-2115.2003] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The frequency of Escherichia coli infection has lead to concerns over pathogenic bacteria in our food supply and a demand for therapeutics. Glycolipids on gut cells serve as receptors for the Shiga-like toxin produced by E. coli. Oligosaccharide moiety analogues of these glycolipids can compete with receptors for the toxin, thus acting as antibacterials. An enzymatic synthesis of the P1 trisaccharide (Galalpha1,4Galbeta1,4GlcNAc), one of the oligosaccharide analogues, was assessed in this study. In the proposed synthetic pathway, UDP-glucose was generated from sucrose with an Anabaena sp. sucrose synthase and then converted with an E. coli UDP-glucose 4-epimerase to UDP-galactose. Two molecules of galactose were linked to N-acetylglucosamine subsequently with a Helicobacter pylori beta-l,4-galactosyltransferase and a Neisseria meningitidis alpha-1,4-galactosyltransferase to produce one molecule of P1 trisaccharide. The four enzymes were coexpressed in a single genetically engineered E. coli strain that was then permeabilized and used to catalyze the enzymatic reaction. P1 trisaccharide was accumulated up to 50 mM (5.4 g in a 200-ml reaction volume), with a 67% yield based on the consumption of N-acetylglucosamine. This study provides an efficient approach for the preparative-scale synthesis of P1 trisaccharide with recombinant bacteria.
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Affiliation(s)
- Ziye Liu
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA
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24
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Bettler E, Imberty A, Priem B, Chazalet V, Heyraud A, Joziasse DH, Geremia RA. Production of recombinant xenotransplantation antigen in Escherichia coli. Biochem Biophys Res Commun 2003; 302:620-4. [PMID: 12615080 DOI: 10.1016/s0006-291x(03)00227-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The synthesis of sufficient amounts of oligosaccharides is the bottleneck for the study of their biological function and their possible use as drug. As an alternative for chemical synthesis, we propose to use Escherichia coli as a "living factory." We have addressed the production of the Galp alpha(1-3)Galp beta(1-4)GlcNAc epitope, the major porcine antigen responsible for xenograft rejection. An E. coli strain was generated which simultaneously expresses NodC (to provide the chitin-pentaose acceptor), beta(1-4) galactosyltransferase LgtB, and bovine alpha(1-3) galactosyltransferase GstA. This strain produced 0.68 g/L of the heptasaccharide Galp alpha(1-3)Galp beta(1-4)(GlcNAc)(5), which harbours the xenoantigen at its non-reducing end, establishing the feasibility of this approach.
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Affiliation(s)
- Emmanuel Bettler
- Centre de Recherches sur les Macromolécules Végétales (CNRS), Affiliated with Joseph Fourier University, BP 53X, 38041 Grenoble cedex 9, France.
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25
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Liu Z, Zhang J, Chen X, Wang PG. Combined biosynthetic pathway for de novo production of UDP-galactose: catalysis with multiple enzymes immobilized on agarose beads. Chembiochem 2002; 3:348-55. [PMID: 11933236 DOI: 10.1002/1439-7633(20020402)3:4<348::aid-cbic348>3.0.co;2-k] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Regeneration of sugar nucleotides is a critical step in the biosynthetic pathway for the formation of oligosaccharides. To alleviate the difficulties in the production of sugar nucleotides, we have developed a method to produce uridine diphosphate galactose (UDP-galactose). The combined biosynthetic pathway, which involves seven enzymes, is composed of three parts: i) the main pathway to form UDP-galactose from galactose, with the enzymes galactokinase, galactose-1-phosphate uridyltransferase, UDP-glucose pyrophosphorylase, and inorganic pyrophosphatase, ii) the uridine triphosphate supply pathway catalyzed by uridine monophosphate (UMP) kinase and nucleotide diphosphate kinase, and iii) the adenosine triphosphate (ATP) regeneration pathway catalyzed by polyphosphate kinase with polyphosphate added as an energy resource. All of the enzymes were expressed individually and immobilized through their hexahistidine tags onto nickel agarose beads ("super beads"). The reaction requires a stoichiometric amount of UMP and galactose, and catalytic amounts of ATP and glucose 1-phosphate, all inexpensive starting materials. After continuous circulation of the reaction mixture through the super-bead column for 48 h, 50 % of the UMP was converted into UDP-galactose. The results show that de novo production of UDP-galactose on the super-bead column is more efficient than in solution because of the stability of the immobilized enzymes.
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Affiliation(s)
- Ziye Liu
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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26
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Priem B, Gilbert M, Wakarchuk WW, Heyraud A, Samain E. A new fermentation process allows large-scale production of human milk oligosaccharides by metabolically engineered bacteria. Glycobiology 2002; 12:235-40. [PMID: 12042246 DOI: 10.1093/glycob/12.4.235] [Citation(s) in RCA: 137] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
When fed to a beta-galactosidase-negative (lacZ(-)) Escherichia coli strain that was grown on an alternative carbon source (such as glycerol), lactose accumulated intracellularly on induction of the lactose permease. We showed that intracellular lactose was efficiently glycosylated when genes of glycosyltransferase that use lactose as acceptor were expressed. High-cell-density cultivation of lacZ(-) strains that overexpressed the beta 1,3 N acetyl glucosaminyltransferase lgtA gene of Neisseria meningitidis resulted in the synthesis of 6 g x L(-1) of the expected trisaccharide (GlcNAc beta 1-3Gal beta 1-4Glc). When the beta 1,4 galactosyltransferase lgtB gene of N. meningitidis was coexpressed with lgtA, the trisaccharide was further converted to lacto-N-neotetraose (Gal beta 1-4GlcNAc beta 1-3Gal beta 1-4Glc) and lacto-N-neoheaxose with a yield higher than 5 g x L(-1). In a similar way, the nanA(-) E. coli strain that was devoid of NeuAc aldolase activity accumulated NeuAc on induction of the NanT permease and the lacZ(-) nanA(-) strain that overexpressed the N. meningitidis genes of the alpha2,3 sialyltransferase and of the CMP-NeuAc synthase efficiently produced sialyllactose (NeuAc alpha 2-3Gal beta 1-4Glc) from exogenous NeuAc and lactose.
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Affiliation(s)
- Bernard Priem
- Centre de Recherches sur les Macromolécules Végétales, CNRS, Joseph Fourier University, BP 53, 38041 Grenoble cedex 9 France
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27
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Chen X, Liu Z, Zhang J, Zhang W, Kowal P, Wang PG. Reassembled Biosynthetic Pathway for Large-Scale Carbohydrate Synthesis:α-Gal Epitope Producing “Superbug”. Chembiochem 2002; 3:47-53. [PMID: 17590953 DOI: 10.1002/1439-7633(20020104)3:1<47::aid-cbic47>3.0.co;2-n] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A metabolic pathway engineered Escherichia coli strain (superbug) containing one plasmid harboring an artificial gene cluster encoding all the five enzymes in the biosynthetic pathway of Galalpha l,3Lac through galactose metabolism has been developed. The plasmid contains a lambda promoter, a c1857 repressor gene, an ampicillin resistance gene, and a T7 terminator. Each gene was preceded by a Shine - Dalgarno sequence for ribosome binding. In a reaction catalyzed by the recombinant E. coli strain, Galalpha 1,3Lac trisaccharide accumulated at concentrations of 14.2 mM (7.2 gL(-1)) in a reaction mixture containing galactose, glucose, lactose, and a catalytic amount of uridine 5'-diphosphoglucose. This work demonstrates that large-scale synthesis of complex oligosaccharides can be achieved economically and efficiently through a single, biosynthetic pathway engineered microorganism.
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Affiliation(s)
- Xi Chen
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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28
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Chen X, Zhang J, Kowal P, Liu Z, Andreana PR, Lu Y, Wang PG. Transferring a biosynthetic cycle into a productive Escherichia coli strain: large-scale synthesis of galactosides. J Am Chem Soc 2001; 123:8866-7. [PMID: 11535100 DOI: 10.1021/ja016187r] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- X Chen
- Department of Chemistry, Wayne State University Detroit, Michigan 48202
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29
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Blixt O, Brown J, Schur MJ, Wakarchuk W, Paulson JC. Efficient preparation of natural and synthetic galactosides with a recombinant beta-1,4-galactosyltransferase-/UDP-4'-gal epimerase fusion protein. J Org Chem 2001; 66:2442-8. [PMID: 11281786 DOI: 10.1021/jo0057809] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The numerous biological roles of LacNAc-based oligosaccharides have led to an increased demand for these structures for biological studies. In this report, an efficient route for the synthesis of beta-galactosides using a bacterial beta-4-galactosyltransferase/-UDP-4'-gal-epimerase fusion protein is described. The lgtB gene from Neisseria meningitidis and the galE gene from Streptococcus thermophilus were fused and cloned into an expression vector pCW. The fusion protein transfers galactose to a variety of different glucose- and glucosamine-containing acceptors, and utilizes either UDP-galactose or UDP-glucose as donor substrates. A crude lysate from Escherichia coli expressing the fusion protein is demonstrated to be sufficient for the efficient preparation of galactosylated oligosaccharides from inexpensive UDP-glucose in a multigram scale. Lysates containing the fusion protein are also found to be useful in the production of more complex oligosaccharides in coupled reaction mixtures, e.g., in the preparation of sialosides from N-acetylglucosamine. Thus, bacterially expressed fusion protein is well suited for the facile and economic preparation of natural oligosaccharides and synthetic derivatives based on the lactosamine core.
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Affiliation(s)
- O Blixt
- Department of Molecular Biology, The Scripps Research Institute, MEM-L71, 10550 North Torrey Pines Road, La Jolla, California 92037, USA
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30
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Chen X, Fang J, Zhang J, Liu Z, Shao J, Kowal P, Andreana P, Wang PG. Sugar nucleotide regeneration beads (superbeads): a versatile tool for the practical synthesis of oligosaccharides. J Am Chem Soc 2001; 123:2081-2. [PMID: 11456841 DOI: 10.1021/ja005738v] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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31
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Endo T, Koizumi S, Tabata K, Kakita S, Ozaki A. Large-scale production of the carbohydrate portion of the sialyl-Tn epitope, alpha-Neup5Ac-(2-->6)-D-GalpNAc, through bacterial coupling. Carbohydr Res 2001; 330:439-43. [PMID: 11269395 DOI: 10.1016/s0008-6215(01)00007-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Alpha-Neup5Ac-(2-->6)-D-GalpNAc, the carbohydrate portion of sialyl-Tn epitope of the tumor-associated carbohydrate antigen, was prepared by a whole-cell reaction through the combination of recombinant Escherichia coli strains and Corynebacterium ammoniagenes. Two recombinant E. coli strains overexpressed the CMP-Neup5Ac biosynthetic genes and the alpha-(2-->6)-sialyltransferase gene of Photobacterium damsela. C. ammoniagenes contributed to the production of UTP from orotic acid. Alpha-Neup5Ac-(2-->6)-D-GalpNAc was accumulated at 87 mM (45 g/L) after a 25-h reaction starting from orotic acid, N-acetylneuraminic acid, and 2-acetamide-2-deoxy-D-galactose.
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Affiliation(s)
- T Endo
- Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd., Tokyo, Japan.
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32
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Koeller KM, Wong CH. Synthesis of complex carbohydrates and glycoconjugates: enzyme-based and programmable one-pot strategies. Chem Rev 2000; 100:4465-94. [PMID: 11749355 DOI: 10.1021/cr990297n] [Citation(s) in RCA: 347] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K M Koeller
- Department of Chemistry, The Scripps Research Institute and Skaggs Institute for Chemical Biology, 10550 North Torrey Pines Road, La Jolla, California 92037
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33
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Abstract
Rapid advances in the cloning and expression of glycosyltransferase genes, especially from bacteria, could open the way to overcoming difficulties in the mass production of oligosaccharides. The large-scale production of oligosaccharides using either glycosyltransferases isolated from engineered microorganisms or whole cells as an enzyme source could promote a new era in the field of carbohydrate synthesis.
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Affiliation(s)
- T Endo
- Tokyo Research Laboratories, Kyowa Hakko Kogyo Co Ltd, 3-6-6, Asahi-machi, Machida-shi, 194-8533, Tokyo, Japan.
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34
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Endo T, Koizumi S, Tabata K, Ozaki A. Cloning and expression of beta1,4-galactosyltransferase gene from Helicobacter pylori. Glycobiology 2000; 10:809-13. [PMID: 10929007 DOI: 10.1093/glycob/10.8.809] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Helicobacter pylori, which is a human pathogen associated with gastric and duodenal ulcer, has been shown to express human oncofetal antigens Lewis X and Lewis Y. Although the mammalian glycosyltransferases that synthesize these structures are well characterized, little is known about the corresponding bacterial enzymes. We report that a novel beta1,4-galactosyltransferase gene (HpgalT) involved in the biosynthesis of lipopolysaccharides in H. pylori has been cloned and expressed in Escherichia coli. The deduced amino acid sequence of the protein (HpGal-T) encoded by HpgalT consists of 274 residues with the calculated molecular mass of 31,731 Da, which does not show significant similarity to those of beta1,4-galactosyltransferases from mammalian sources and Neisseria It was confirmed that HpGal-T catalyzed the introduction of galactose from UDP-Gal in a beta1,4 linkage to accepting N-acetylglucosamine (GlcNAc) residues by means of high-performance anion-exchange chromatography with pulsed amperometric detection (HPAEC-PAD). When the E.coli cells which overexpressed HpgalT was coupled with the UDP-Gal production system, which consisted of recombinant E.coli cells overexpressing its UDP-Gal biosynthetic genes and Corynebacterium ammoniagenes, N-acetyllactosamine, a core structure of lipopolysaccharide of H.pylori, was efficiently produced from orotic acid, galactose, and GlcNAc.
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Affiliation(s)
- T Endo
- Tokyo Research Laboratories, Kyowa Hakko Kogyo Co., Ltd., 3-6-6, Asahi-machi, Machida-shi, Tokyo 194-8533, Japan
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35
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Abstract
Carbohydrate materials have become increasingly utilized in transplantation and cell/tissue engineering within the past year. This has been well documented in recent applications of immobilized or soluble alpha-galactosyl epitopes (i.e. oligosaccharides with a terminal Galalpha1-3Gal sequence) in preventing hyperacute rejection in pig-to-primate xenotransplantation. In addition, alpha-galactosyl polymers have been shown to exhibit much greater activity (up to 10(4) times) than alpha-galactosyl monomers in inhibiting the binding of anti-galactosyl antibodies to pig kidney epithelial cells and assisting in the prevention of cytotoxicity in human serum.
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Affiliation(s)
- X Chen
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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36
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Hashimoto SI, Ozaki A. Whole microbial cell processes for manufacturing amino acids, vitamins or ribonucleotides. Curr Opin Biotechnol 1999; 10:604-8. [PMID: 10600687 DOI: 10.1016/s0958-1669(99)00041-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The development of recombinant DNA technology has greatly expanded whole microbial cell processes for manufacturing amino acids, vitamins, or ribonucleotides. A novel well-designed scheme with integrated enzymatic conversions and fermentation enables the production of even complicated compounds, such as sugar nucleotides and oligosaccharides.
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Affiliation(s)
- S i Hashimoto
- Tokyo Research Laboratories, Kyowa Hakko Kogyo Co Ltd, Machida-shi, 194-8533, Japan.
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