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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2019-2020. MASS SPECTROMETRY REVIEWS 2022:e21806. [PMID: 36468275 DOI: 10.1002/mas.21806] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2020. Also included are papers that describe methods appropriate to analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. The review is basically divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of arrays. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other areas such as medicine, industrial processes and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. The reported work shows increasing use of incorporation of new techniques such as ion mobility and the enormous impact that MALDI imaging is having. MALDI, although invented nearly 40 years ago is still an ideal technique for carbohydrate analysis and advancements in the technique and range of applications show little sign of diminishing.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
- Department of Chemistry, University of Oxford, Oxford, Oxfordshire, United Kingdom
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2
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Liu Z, Li K, Liu X, Zhao J, Yu Y, Wang L, Kong Y, Chen M. Production of microhomogeneous glycopeptide by a mutated NGT according FuncLib with unique sugar as substrate. Enzyme Microb Technol 2021; 154:109949. [PMID: 34864335 DOI: 10.1016/j.enzmictec.2021.109949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 11/29/2022]
Abstract
N-glycosylation is one of the most important post-translational modifications of proteins. Cytoplasmic soluble N-glycosyltransferase (NGT) exists in bacteria, which is able to transfer different monosaccharide from sugar nucleotide to the NXS/T(X ≠ Pro) consensus sequence in a polypeptide. At present, the NGT enzymes reported could transfer a variety of different sugars to protein, which will lead to the heterogeneity of the sugar chain and the complexity and instability of the structure and function of glycopeptides. According to the FuncLib algorithm, we obtained mutant ApNGT-P1 from ApNGT (the NGT from Actinobacillus pleuropneumoniae) with increased substrate specificity. Compared with the wild-type ApNGT, mutant ApNGT-P1 could only utilize UDP-Glc as sugar donors. The optimum temperature of ApNGT-P1 was about 40 °C and the optimum pH was 7.5-8.0 in PBS buffer. ApNGT-P1 exhibited better tolerance for K+, Mn2+, Ca2+, and Mg2+, but was strongly inhibited by Na+, Cu2+ and Zn2+. The mutant can be applied to the efficient production of glycosylated peptides or proteins with uniform glucose at their glycosylation sites. Besides, this work provided a feasible pathway for further studies on the improving donor substrates selectivity of NGTs.
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Affiliation(s)
- Zhaoxi Liu
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Kun Li
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Xiaoyu Liu
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Jiayu Zhao
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Yue Yu
- College of Life Sciences, Shandong Normal University, Jinan, Shandong 250013, China
| | - Lushan Wang
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Yun Kong
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China
| | - Min Chen
- The State Key Laboratory of Microbial Technology, National Glycoengineering Research Centers, Shandong University, Qingdao, Shandong 266237, China.
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3
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Hershewe J, Kightlinger W, Jewett MC. Cell-free systems for accelerating glycoprotein expression and biomanufacturing. J Ind Microbiol Biotechnol 2020; 47:977-991. [PMID: 33090335 PMCID: PMC7578589 DOI: 10.1007/s10295-020-02321-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/03/2020] [Indexed: 12/17/2022]
Abstract
Protein glycosylation, the enzymatic modification of amino acid sidechains with sugar moieties, plays critical roles in cellular function, human health, and biotechnology. However, studying and producing defined glycoproteins remains challenging. Cell-free glycoprotein synthesis systems, in which protein synthesis and glycosylation are performed in crude cell extracts, offer new approaches to address these challenges. Here, we review versatile, state-of-the-art systems for biomanufacturing glycoproteins in prokaryotic and eukaryotic cell-free systems with natural and synthetic N-linked glycosylation pathways. We discuss existing challenges and future opportunities in the use of cell-free systems for the design, manufacture, and study of glycoprotein biomedicines.
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Affiliation(s)
- Jasmine Hershewe
- Department of Chemical and Biological Engineering, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA.,Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL, 60208-3120, USA.,Center for Synthetic Biology, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA
| | - Weston Kightlinger
- Department of Chemical and Biological Engineering, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA.,Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL, 60208-3120, USA.,Center for Synthetic Biology, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA
| | - Michael C Jewett
- Department of Chemical and Biological Engineering, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA. .,Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL, 60208-3120, USA. .,Center for Synthetic Biology, Northwestern University, Technological Institute E136, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA. .,Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 676 North Saint Clair Street, Suite 1200, Chicago, IL, 60611-3068, USA. .,Simpson Querrey Institute, Northwestern University, 303 East Superior Street, Suite 11-131, Chicago, IL, 60611-2875, USA.
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Kightlinger W, Warfel KF, DeLisa MP, Jewett MC. Synthetic Glycobiology: Parts, Systems, and Applications. ACS Synth Biol 2020; 9:1534-1562. [PMID: 32526139 PMCID: PMC7372563 DOI: 10.1021/acssynbio.0c00210] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Indexed: 12/11/2022]
Abstract
Protein glycosylation, the attachment of sugars to amino acid side chains, can endow proteins with a wide variety of properties of great interest to the engineering biology community. However, natural glycosylation systems are limited in the diversity of glycoproteins they can synthesize, the scale at which they can be harnessed for biotechnology, and the homogeneity of glycoprotein structures they can produce. Here we provide an overview of the emerging field of synthetic glycobiology, the application of synthetic biology tools and design principles to better understand and engineer glycosylation. Specifically, we focus on how the biosynthetic and analytical tools of synthetic biology have been used to redesign glycosylation systems to obtain defined glycosylation structures on proteins for diverse applications in medicine, materials, and diagnostics. We review the key biological parts available to synthetic biologists interested in engineering glycoproteins to solve compelling problems in glycoscience, describe recent efforts to construct synthetic glycoprotein synthesis systems, and outline exemplary applications as well as new opportunities in this emerging space.
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Affiliation(s)
- Weston Kightlinger
- Department
of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Tech E136, Evanston, Illinois 60208, United States
- Center
for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Tech B486, Evanston, Illinois 60208, United States
| | - Katherine F. Warfel
- Department
of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Tech E136, Evanston, Illinois 60208, United States
- Center
for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Tech B486, Evanston, Illinois 60208, United States
| | - Matthew P. DeLisa
- Department
of Microbiology, Cornell University, 123 Wing Drive, Ithaca, New York 14853, United States
- Robert
Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, 120 Olin Hall, Ithaca, New York 14853, United States
- Nancy
E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Weill Hall, Ithaca, New York 14853, United States
| | - Michael C. Jewett
- Department
of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Tech E136, Evanston, Illinois 60208, United States
- Center
for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Tech B486, Evanston, Illinois 60208, United States
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Dow JM, Mauri M, Scott TA, Wren BW. Improving protein glycan coupling technology (PGCT) for glycoconjugate vaccine production. Expert Rev Vaccines 2020; 19:507-527. [DOI: 10.1080/14760584.2020.1775077] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jennifer Mhairi Dow
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK
| | - Marta Mauri
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK
| | | | - Brendan William Wren
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK
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Nothaft H, Szymanski CM. New discoveries in bacterial N-glycosylation to expand the synthetic biology toolbox. Curr Opin Chem Biol 2019; 53:16-24. [DOI: 10.1016/j.cbpa.2019.05.032] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/21/2019] [Accepted: 05/31/2019] [Indexed: 12/20/2022]
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A cell-free biosynthesis platform for modular construction of protein glycosylation pathways. Nat Commun 2019; 10:5404. [PMID: 31776339 PMCID: PMC6881289 DOI: 10.1038/s41467-019-12024-9] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 08/15/2019] [Indexed: 11/29/2022] Open
Abstract
Glycosylation plays important roles in cellular function and endows protein therapeutics with beneficial properties. However, constructing biosynthetic pathways to study and engineer precise glycan structures on proteins remains a bottleneck. Here, we report a modular, versatile cell-free platform for glycosylation pathway assembly by rapid in vitro mixing and expression (GlycoPRIME). In GlycoPRIME, glycosylation pathways are assembled by mixing-and-matching cell-free synthesized glycosyltransferases that can elaborate a glucose primer installed onto protein targets by an N-glycosyltransferase. We demonstrate GlycoPRIME by constructing 37 putative protein glycosylation pathways, creating 23 unique glycan motifs, 18 of which have not yet been synthesized on proteins. We use selected pathways to synthesize a protein vaccine candidate with an α-galactose adjuvant motif in a one-pot cell-free system and human antibody constant regions with minimal sialic acid motifs in glycoengineered Escherichia coli. We anticipate that these methods and pathways will facilitate glycoscience and make possible new glycoengineering applications. Constructing biosynthetic pathways to study and engineer glycoprotein structures is difficult. Here, the authors use GlycoPRIME, a cell-free workflow for mixing-and-matching glycosylation enzymes, to evaluate 37 putative glycosylation pathways and discover routes to 18 new glycoprotein structures
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8
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Recent advances in the production of recombinant glycoconjugate vaccines. NPJ Vaccines 2019; 4:16. [PMID: 31069118 PMCID: PMC6494827 DOI: 10.1038/s41541-019-0110-z] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 04/16/2019] [Indexed: 01/11/2023] Open
Abstract
Glycoconjugate vaccines against bacteria are one of the success stories of modern medicine and have led to a significant reduction in the global occurrence of bacterial meningitis and pneumonia. Glycoconjugate vaccines are produced by covalently linking a bacterial polysaccharide (usually capsule, or more recently O-antigen), to a carrier protein. Given the success of glycoconjugate vaccines, it is surprising that to date only vaccines against Haemophilus influenzae type b, Neisseria meningitis and Streptococcus pneumoniae have been fully licenced. This is set to change through the glycoengineering of recombinant vaccines in bacteria, such as Escherichia coli, that act as mini factories for the production of an inexhaustible and renewable supply of pure vaccine product. The recombinant process, termed Protein Glycan Coupling Technology (PGCT) or bioconjugation, offers a low-cost option for the production of pure glycoconjugate vaccines, with the in-built flexibility of adding different glycan/protein combinations for custom made vaccines. Numerous vaccine candidates have now been made using PGCT, which include those improving existing licenced vaccines (e.g., pneumococcal), entirely new vaccines for both Gram-positive and Gram-negative bacteria, and (because of the low production costs) veterinary pathogens. Given the continued threat of antimicrobial resistance and the potential peril of bioterrorist agents, the production of new glycoconjugate vaccines against old and new bacterial foes is particularly timely. In this review, we will outline the component parts of bacterial PGCT, including recent advances, the advantages and limitations of the technology, and future applications and perspectives.
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