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Mishra DR. Developments in the stereoselective synthesis of benzopyran, benzopyrone and flavonoid based natural product analogues using C-glycosides as an intrinsic chiral synthon. Carbohydr Res 2024; 541:109164. [PMID: 38815342 DOI: 10.1016/j.carres.2024.109164] [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: 12/22/2023] [Revised: 05/17/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Stereoselective synthesis is essential for propelling mainstream academia toward a relentless pursuit of novel and cutting-edge strategies for constructing molecules with unparalleled precision. Naturally derived benzopyrans, benzopyrones, and flavonoids are an essentially prominent group of oxa-heterocycles, highly significant targets in medicinal chemistry owing to their extensive abundance in biologically active natural products and pharmaceuticals. The molecular complexity and stereoselectivity induced by heterocycles embedded with C-glycosides have attracted considerable interest and emerged as a fascinating area of research for synthetic organic chemists. This present article emphasizes the existing growths in the strategies involving the diastereoselective synthesis of C-glycosylated benzopyrans, benzopyrones, and flavonoids using naturally acquired glycones as chiral synthons.
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Affiliation(s)
- Deepak Ranjan Mishra
- Department of Chemistry, Kamala Nehru Women's College, Bhubaneswar, Odisha, India.
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2
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Xu S, Zhao J, Liu X, Yang X, Xu Z, Gao Y, Ma Y, Yang H. Structures of SenB and SenA enzymes from Variovorax paradoxus provide insights into carbon-selenium bond formation in selenoneine biosynthesis. Heliyon 2024; 10:e32888. [PMID: 38994077 PMCID: PMC11237966 DOI: 10.1016/j.heliyon.2024.e32888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/13/2024] Open
Abstract
Selenoneine, an ergothioneine analog, is important for antioxidation and detoxification. SenB and SenA are two crucial enzymes that form carbon-selenium bonds in the selenoneine biosynthetic pathway. To investigate their underlying catalytic mechanisms, we obtained complex structures of SenB with its substrate UDP-N-acetylglucosamine (UDP-GlcNAc) and SenA with N-α-trimethyl histidine (TMH). SenB adopts a type-B glycosyltransferase fold. Structural and functional analysis of the interaction network at the active center provide key information on substrate recognition and suggest a metal-ion-independent, inverting mechanism is utilized for SenB-mediated selenoglycoside formation. Moreover, the complex structure of SenA with TMH and enzymatic activity assays highlight vital residues that control substrate binding and specificity. Based on the conserved structure and substrate-binding pocket of the type I sulfoxide synthase EgtB in the ergothioneine biosynthetic pathway, a similar reaction mechanism was proposed for the formation of C-Se bonds by SenA. The structures provide knowledge on selenoneine synthesis and lay groundwork for further applications of this pathway.
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Affiliation(s)
- Sihan Xu
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Jinyi Zhao
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Xiang Liu
- State Key Laboratory of Medicinal Chemical Biology, Frontiers Science Center for Cell Response, College of Life Sciences, College of Pharmacy, Nankai University, Tianjin, China
| | - Xiuna Yang
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Zili Xu
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Yan Gao
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Yuanyuan Ma
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
| | - Haitao Yang
- Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
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3
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Weiz G, González AL, Mansilla IS, Fernandez-Zapico ME, Molejón MI, Breccia JD. Rutinosides-derived from Sarocladium strictum 6-O-α-rhamnosyl-β-glucosidase show enhanced anti-tumoral activity in pancreatic cancer cells. Microb Cell Fact 2024; 23:133. [PMID: 38720294 PMCID: PMC11077868 DOI: 10.1186/s12934-024-02395-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 04/16/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Low targeting efficacy and high toxicity continue to be challenges in Oncology. A promising strategy is the glycosylation of chemotherapeutic agents to improve their pharmacodynamics and anti-tumoral activity. Herein, we provide evidence of a novel approach using diglycosidases from fungi of the Hypocreales order to obtain novel rutinose-conjugates therapeutic agents with enhanced anti-tumoral capacity. RESULTS Screening for diglycosidase activity in twenty-eight strains of the genetically related genera Acremonium and Sarocladium identified 6-O-α-rhamnosyl-β-glucosidase (αRβG) of Sarocladium strictum DMic 093557 as candidate enzyme for our studies. Biochemically characterization shows that αRβG has the ability to transglycosylate bulky OH-acceptors, including bioactive compounds. Interestingly, rutinoside-derivatives of phloroglucinol (PR) resorcinol (RR) and 4-methylumbelliferone (4MUR) displayed higher growth inhibitory activity on pancreatic cancer cells than the respective aglycones without significant affecting normal pancreatic epithelial cells. PR exhibited the highest efficacy with an IC50 of 0.89 mM, followed by RR with an IC50 of 1.67 mM, and 4MUR with an IC50 of 2.4 mM, whereas the respective aglycones displayed higher IC50 values: 4.69 mM for phloroglucinol, 5.90 mM for resorcinol, and 4.8 mM for 4-methylumbelliferone. Further, glycoconjugates significantly sensitized pancreatic cancer cells to the standard of care chemotherapy agent gemcitabine. CONCLUSIONS αRβG from S. strictum transglycosylate-based approach to synthesize rutinosides represents a suitable option to enhance the anti-proliferative effect of bioactive compounds. This finding opens up new possibilities for developing more effective therapies for pancreatic cancer and other solid malignancies.
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Affiliation(s)
- Gisela Weiz
- Facultad de Ciencias Exactas y Naturales, Instituto de Ciencias de la Tierra y Ambientales de La Pampa (INCITAP), Universidad Nacional de La Pampa-Consejo Nacional de Investigaciones Científicas y Técnicas (UNLPam-CONICET), Av. Uruguay 151, 6300, Santa Rosa, La Pampa, Argentina.
| | - Alina L González
- Facultad de Ciencias Exactas y Naturales, Instituto de Ciencias de la Tierra y Ambientales de La Pampa (INCITAP), Universidad Nacional de La Pampa-Consejo Nacional de Investigaciones Científicas y Técnicas (UNLPam-CONICET), Av. Uruguay 151, 6300, Santa Rosa, La Pampa, Argentina
| | - Iara S Mansilla
- Facultad de Ciencias Exactas y Naturales, Instituto de Ciencias de la Tierra y Ambientales de La Pampa (INCITAP), Universidad Nacional de La Pampa-Consejo Nacional de Investigaciones Científicas y Técnicas (UNLPam-CONICET), Av. Uruguay 151, 6300, Santa Rosa, La Pampa, Argentina
| | - Martín E Fernandez-Zapico
- Schulze Center for Novel Therapeutics, Division of Oncology Research, Mayo Clinic, Rochester, MN, 55905, USA
| | - María I Molejón
- Facultad de Ciencias Exactas y Naturales, Instituto de Ciencias de la Tierra y Ambientales de La Pampa (INCITAP), Universidad Nacional de La Pampa-Consejo Nacional de Investigaciones Científicas y Técnicas (UNLPam-CONICET), Av. Uruguay 151, 6300, Santa Rosa, La Pampa, Argentina
| | - Javier D Breccia
- Facultad de Ciencias Exactas y Naturales, Instituto de Ciencias de la Tierra y Ambientales de La Pampa (INCITAP), Universidad Nacional de La Pampa-Consejo Nacional de Investigaciones Científicas y Técnicas (UNLPam-CONICET), Av. Uruguay 151, 6300, Santa Rosa, La Pampa, Argentina
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4
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Liu XY, Wang YN, Du JS, Chen BH, Liu KY, Feng L, Xiang GS, Zhang SY, Lu YC, Yang SC, Zhang GH, Hao B. Biosynthetic pathway of prescription bergenin from Bergenia purpurascens and Ardisia japonica. FRONTIERS IN PLANT SCIENCE 2024; 14:1259347. [PMID: 38239219 PMCID: PMC10794647 DOI: 10.3389/fpls.2023.1259347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 12/14/2023] [Indexed: 01/22/2024]
Abstract
Bergenin is a typical carbon glycoside and the primary active ingredient in antitussive drugs widely prescribed for central cough inhibition in China. The bergenin extraction industry relies on the medicinal plant species Bergenia purpurascens and Ardisia japonica as their resources. However, the bergenin biosynthetic pathway in plants remains elusive. In this study, we functionally characterized a shikimate dehydrogenase (SDH), two O-methyltransferases (OMTs), and a C-glycosyltransferase (CGT) involved in bergenin synthesis through bioinformatics analysis, heterologous expression, and enzymatic characterization. We found that BpSDH2 catalyzes the two-step dehydrogenation process of shikimic acid to form gallic acid (GA). BpOMT1 and AjOMT1 facilitate the methylation reaction at the 4-OH position of GA, resulting in the formation of 4-O-methyl gallic acid (4-O-Me-GA). AjCGT1 transfers a glucose moiety to C-2 to generate 2-Glucosyl-4-O-methyl gallic acid (2-Glucosyl-4-O-Me-GA). Bergenin production ultimately occurs in acidic conditions or via dehydration catalyzed by plant dehydratases following a ring-closure reaction. This study for the first time uncovered the biosynthetic pathway of bergenin, paving the way to rational production of bergenin in cell factories via synthetic biology strategies.
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Affiliation(s)
- Xiang-Yu Liu
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Yi-Na Wang
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Jiang-Shun Du
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Bi-Huan Chen
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Kun-Yi Liu
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Lei Feng
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Gui-Sheng Xiang
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Shuang-Yan Zhang
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Ying-Chun Lu
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Sheng-Chao Yang
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Guang-Hui Zhang
- College of Agronomy and Biotechnology, National and Local Joint Engineering Research Center on Germplasm Innovation & Utilization of Chinese Medicinal Materials in Southwest China, Key Laboratory of Medicinal Plant Biology of Yunnan Province, Yunnan Agricultural University, Kunming, Yunnan, China
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
| | - Bing Hao
- Yunnan Characteristic Plant Extraction Laboratory, Kunming, Yunnan, China
- College of Tobacco Science, Yunnan Agricultural University, Kunming, Yunnan, China
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5
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Trobo-Maseda L, Romero-Fernandez M, Guisan JM, Rocha-Martin J. Glycosylation of polyphenolic compounds: Design of a self-sufficient biocatalyst by co-immobilization of a glycosyltransferase, a sucrose synthase and the cofactor UDP. Int J Biol Macromol 2023; 250:126009. [PMID: 37536414 DOI: 10.1016/j.ijbiomac.2023.126009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 06/29/2023] [Accepted: 07/25/2023] [Indexed: 08/05/2023]
Abstract
Glycosyltransferases catalyze the regioselective glycosylation of polyphenolic compounds, increasing their solubility without altering their antioxidant properties. Leloir-type glycosyltransferases require UDP-glucose as a cofactor to glycosylate a hydroxyl of the polyphenol, which is expensive and unstable. To simplify these processes for industrial implementation, the preparation of self-sufficient heterogeneous biocatalysts is needed. In this study, a glycosyltransferase and a sucrose synthase (as an UDP-regenerating enzyme) were co-immobilized onto porous agarose-based supports coated with polycationic polymers: polyethylenimine and polyallylamine. In addition, the UDP cofactor was strongly ionically adsorbed and co-immobilized with the enzymes, eliminating the need to add it separately. Thus, the optimal self-sufficient heterogeneous biocatalyst was able to catalyze the glycosylation of three polyphenolic compounds (piceid, phloretin and quercetin) with in situ regeneration of the UDP-glucose, allowing multiple consecutive reaction cycles without the addition of exogenous cofactor. A TTN value of 50 (theoretical maximum) was obtained in the reaction of piceid glycosylation, after 5 reaction cycles, using the self-sufficient biocatalyst based on an improved sucrose synthase variant. This result was 5-fold higher than the obtained using soluble cofactor and the co-immobilized enzymes, and much higher than those reported in the literature for similar processes.
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Affiliation(s)
- Lara Trobo-Maseda
- Department of Biocatalysis, Institute of Catalysis and Petrochemistry (ICP) CSIC, Campus UAM, Cantoblanco, 28049 Madrid, Spain
| | - María Romero-Fernandez
- Department of Biocatalysis, Institute of Catalysis and Petrochemistry (ICP) CSIC, Campus UAM, Cantoblanco, 28049 Madrid, Spain
| | - José M Guisan
- Department of Biocatalysis, Institute of Catalysis and Petrochemistry (ICP) CSIC, Campus UAM, Cantoblanco, 28049 Madrid, Spain.
| | - Javier Rocha-Martin
- Department of Biochemistry and Molecular Biology, Faculty of Biological Sciences, Complutense University of Madrid, 28040 Madrid, Spain.
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6
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Glover RG, Soulsby DP. One-pot Dess-Martin periodinane-mediated oxidative deprotection and olefination of trimethylsilyl-protected pyranosides and pyranoses. Carbohydr Res 2023; 532:108904. [PMID: 37517196 DOI: 10.1016/j.carres.2023.108904] [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: 06/04/2023] [Revised: 07/13/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023]
Abstract
The selective functionalization of carbohydrates provides a powerful method for introducing structural complexity, allowing access to unique drug scaffolds with distinctive pharmaceutical profiles. Herein, we describe an efficient and selective carbon-carbon bond forming reaction of a variety of common trimethylsilyl-protected pyranosides and pyranoses at C-6 using a one-pot Dess-Martin periodinane-mediated oxidation deprotection. This is followed by addition of stabilized and non-stabilized ylides to generate alkenoate carbohydrates and related analogs in good to moderate yields. We also report on the rapid deprotection of the remaining trimethylsilyl ether groups in near quantitative yields using an acidic resin-mediated ethanolysis.
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Affiliation(s)
- Rowan G Glover
- Department of Chemistry, University of Redlands, 1200 E. Colton Avenue, Redlands, CA, 92374, USA
| | - David P Soulsby
- Department of Chemistry, University of Redlands, 1200 E. Colton Avenue, Redlands, CA, 92374, USA.
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7
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Liao J, Lederer V, Bardhi A, Zou Z, Hoffmann TD, Sun G, Song C, Hoffmann T, Schwab W. Acceptors and Effectors Alter Substrate Inhibition Kinetics of a Plant Glucosyltransferase NbUGT72AY1 and Its Mutants. Int J Mol Sci 2023; 24:ijms24119542. [PMID: 37298492 DOI: 10.3390/ijms24119542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
One of the main obstacles in biocatalysis is the substrate inhibition (SI) of enzymes that play important roles in biosynthesis and metabolic regulation in organisms. The promiscuous glycosyltransferase UGT72AY1 from Nicotiana benthamiana is strongly substrate-inhibited by hydroxycoumarins (inhibitory constant Ki < 20 µM), but only weakly inhibited when monolignols are glucosylated (Ki > 1000 µM). Apocarotenoid effectors reduce the inherent UDP-glucose glucohydrolase activity of the enzyme and attenuate the SI by scopoletin derivatives, which could also be achieved by mutations. Here, we studied the kinetic profiles of different phenols and used the substrate analog vanillin, which has shown atypical Michaelis-Menten kinetics in previous studies, to examine the effects of different ligands and mutations on the SI of NbUGT72AY1. Coumarins had no effect on enzymatic activity, whereas apocarotenoids and fatty acids strongly affected SI kinetics by increasing the inhibition constant Ki. Only the F87I mutant and a chimeric version of the enzyme showed weak SI with the substrate vanillin, but all mutants exhibited mild SI when sinapaldehyde was used as an acceptor. In contrast, stearic acid reduced the transferase activity of the mutants to varying degrees. The results not only confirm the multi-substrate functionality of NbUGT72AY1, but also reveal that the enzymatic activity of this protein can be fine-tuned by external metabolites such as apocarotenoids and fatty acids that affect SI. Since these signals are generated during plant cell destruction, NbUGT72AY1 likely plays an important role in plant defense by participating in the production of lignin in the cell wall and providing direct protection through the formation of toxic phytoalexins.
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Affiliation(s)
- Jieren Liao
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Veronika Lederer
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Alba Bardhi
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Zhiwei Zou
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Timothy D Hoffmann
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Guangxin Sun
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Chuankui Song
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University, Hefei 230036, China
| | - Thomas Hoffmann
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
| | - Wilfried Schwab
- Biotechnology of Natural Products, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany
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8
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Ren J, Barton CD, Zhan J. Engineered production of bioactive polyphenolic O-glycosides. Biotechnol Adv 2023; 65:108146. [PMID: 37028465 DOI: 10.1016/j.biotechadv.2023.108146] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 03/04/2023] [Accepted: 04/02/2023] [Indexed: 04/09/2023]
Abstract
Polyphenolic compounds (such as quercetin and resveratrol) possess potential medicinal values due to their various bioactivities, but poor water solubility hinders their health benefits to humankind. Glycosylation is a well-known post-modification method to biosynthesize natural product glycosides with improved hydrophilicity. Glycosylation has profound effects on decreasing toxicity, increasing bioavailability and stability, together with changing bioactivity of polyphenolic compounds. Therefore, polyphenolic glycosides can be used as food additives, therapeutics, and nutraceuticals. Engineered biosynthesis provides an environmentally friendly and cost-effective approach to generate polyphenolic glycosides through the use of various glycosyltransferases (GTs) and sugar biosynthetic enzymes. GTs transfer the sugar moieties from nucleotide-activated diphosphate sugar (NDP-sugar) donors to sugar acceptors such as polyphenolic compounds. In this review, we systematically review and summarize the representative polyphenolic O-glycosides with various bioactivities and their engineered biosynthesis in microbes with different biotechnological strategies. We also review the major routes towards NDP-sugar formation in microbes, which is significant for producing unusual or novel glycosides. Finally, we discuss the trends in NDP-sugar based glycosylation research to promote the development of prodrugs that positively impact human health and wellness.
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Affiliation(s)
- Jie Ren
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Caleb Don Barton
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA
| | - Jixun Zhan
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322-4105, USA.
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9
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Chin SY, Shahruddin S, Chua GK, Samsudin NA, Mudalip SKA, Ghazali NFS, Jemaat Z, Salleh SF, Said FM, Nadir N, Ismail NL, Ng SH. Toward Sustainable Production of Sugar-Based Alkyl Polyglycoside Surfactant─A Comprehensive Review on Synthesis Route and Downstream Processing. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Affiliation(s)
- Sim Yee Chin
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Sara Shahruddin
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Gek Kee Chua
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Nur Amalina Samsudin
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Siti Kholijah Abdul Mudalip
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Noor Fadhila Syahida Ghazali
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Zulkifly Jemaat
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Siti Fatihah Salleh
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Farhan Mohd Said
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang, 26300 Gambang, Kuantan, Pahang Darul Makmur Malaysia
| | - Najiah Nadir
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Nur Liyana Ismail
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
| | - Su Han Ng
- PETRONAS Research Sdn. Bhd., Lot 3288 and 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor Darul Ehsan Malaysia
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10
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Biochemical Characterization of Pyranose Oxidase from Streptomyces canus—Towards a Better Understanding of Pyranose Oxidase Homologues in Bacteria. Int J Mol Sci 2022; 23:ijms232113595. [PMID: 36362382 PMCID: PMC9659204 DOI: 10.3390/ijms232113595] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/29/2022] [Accepted: 11/02/2022] [Indexed: 11/10/2022] Open
Abstract
Pyranose oxidase (POx, glucose 2-oxidase; EC 1.1.3.10, pyranose:oxygen 2-oxidoreductase) is an FAD-dependent oxidoreductase and a member of the auxiliary activity (AA) enzymes (subfamily AA3_4) in the CAZy database. Despite the general interest in fungal POxs, only a few bacterial POxs have been studied so far. Here, we report the biochemical characterization of a POx from Streptomyces canus (ScPOx), the sequence of which is positioned in a separate, hitherto unexplored clade of the POx phylogenetic tree. Kinetic analyses revealed that ScPOx uses monosaccharide sugars (such as d-glucose, d-xylose, d-galactose) as its electron-donor substrates, albeit with low catalytic efficiencies. Interestingly, various C- and O-glycosides (such as puerarin) were oxidized by ScPOx as well. Some of these glycosides are characteristic substrates for the recently described FAD-dependent C-glycoside 3-oxidase from Microbacterium trichothecenolyticum. Here, we show that FAD-dependent C-glycoside 3-oxidases and pyranose oxidases are enzymes belonging to the same sequence space.
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11
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Pillet L, Lim D, Almulhim N, Benítez-Mateos AI, Paradisi F. Novel triple mutant of an extremophilic glycosyl hydrolase enables the rapid synthesis of thioglycosides. Chem Commun (Camb) 2022; 58:12118-12121. [PMID: 36226508 PMCID: PMC9609006 DOI: 10.1039/d2cc04660a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/06/2022] [Indexed: 07/25/2023]
Abstract
In order to expand the toolbox of enzymes available for thioglycoside synthesis, we describe here the first example of an extremophilic glycosyl hydrolase from Halothermothrix orenii (HorGH1) engineered towards thioglycosynthase activity with a novel combination of mutations. Using the triple mutant, HorGH1 M299R/E166A/E354G, a range of thioglycosides from glycosyl fluoride donors and aromatic thiols could be synthesised with exquisite stereoselectivity and good to excellent conversions (61-93%).
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Affiliation(s)
- Lauriane Pillet
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - David Lim
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - Nourah Almulhim
- School of Chemistry, University of Nottingham, University Park, NG7 2RD, Nottingham, UK
| | - Ana I Benítez-Mateos
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - Francesca Paradisi
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
- School of Chemistry, University of Nottingham, University Park, NG7 2RD, Nottingham, UK
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12
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Diversification of phenolic glucosides by two UDP-glucosyltransferases featuring complementary regioselectivity. Microb Cell Fact 2022; 21:208. [PMID: 36217200 PMCID: PMC9549646 DOI: 10.1186/s12934-022-01935-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/01/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Glucoside natural products have been showing great medicinal values and potentials. However, the production of glucosides by plant extraction, chemical synthesis, and traditional biotransformation is insufficient to meet the fast-growing pharmaceutical demands. Microbial synthetic biology offers promising strategies for synthesis and diversification of plant glycosides. RESULTS In this study, the two efficient UDP-glucosyltransferases (UGTs) (UGT85A1 and RrUGT3) of plant origin, that are capable of recognizing phenolic aglycons, are characterized in vitro. The two UGTs show complementary regioselectivity towards the alcoholic and phenolic hydroxyl groups on phenolic substrates. By combining a developed alkylphenol bio-oxidation system and these UGTs, twenty-four phenolic glucosides are enzymatically synthesized from readily accessible alkylphenol substrates. Based on the bio-oxidation and glycosylation systems, a number of microbial cell factories are constructed and applied to biotransformation, giving rise to a variety of plant and plant-like O-glucosides. Remarkably, several unnatural O-glucosides prepared by the two UGTs demonstrate better prolyl endopeptidase inhibitory and/or anti-inflammatory activities than those of the clinically used glucosidic drugs including gastrodin, salidroside and helicid. Furthermore, the two UGTs are also able to catalyze the formation of N- and S-glucosidic bonds to produce N- and S-glucosides. CONCLUSIONS Two highly efficient UGTs, UGT85A1 and RrUGT3, with distinct regioselectivity were characterized in this study. A group of plant and plant-like glucosides were efficiently synthesized by cell-based biotransformation using a developed alkylphenol bio-oxidation system and these two UGTs. Many of the O-glucosides exhibited better PEP inhibitory or anti-inflammatory activities than plant-origin glucoside drugs, showing significant potentials for new glucosidic drug development.
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13
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Wang Z, He Y, Liao L, Zhang Y, Zhao Y, Xiao Y, Jiang X, Qiao F. Forming coumarin C-glycosides via biocatalysis: Characterization of a C-glycosyltransferase from Angelica decursiva. Biochem Biophys Res Commun 2022; 614:85-91. [DOI: 10.1016/j.bbrc.2022.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 05/03/2022] [Indexed: 11/29/2022]
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14
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Coines J, Cuxart I, Teze D, Rovira C. Computer Simulation to Rationalize “Rational” Engineering of Glycoside Hydrolases and Glycosyltransferases. J Phys Chem B 2022; 126:802-812. [PMID: 35073079 PMCID: PMC8819650 DOI: 10.1021/acs.jpcb.1c09536] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
![]()
Glycoside hydrolases
and glycosyltransferases are the main classes
of enzymes that synthesize and degrade carbohydrates, molecules essential
to life that are a challenge for classical chemistry. As such, considerable
efforts have been made to engineer these enzymes and make them pliable
to human needs, ranging from directed evolution to rational design,
including mechanism engineering. Such endeavors fall short and are
unreported in numerous cases, while even success is a necessary but
not sufficient proof that the chemical rationale behind the design
is correct. Here we review some of the recent work in CAZyme mechanism
engineering, showing that computational simulations are instrumental
to rationalize experimental data, providing mechanistic insight into
how native and engineered CAZymes catalyze chemical reactions. We
illustrate this with two recent studies in which (i) a glycoside hydrolase
is converted into a glycoside phosphorylase and (ii) substrate specificity
of a glycosyltransferase is engineered toward forming O-, N-, or S-glycosidic bonds.
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Affiliation(s)
- Joan Coines
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
| | - Irene Cuxart
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
| | - David Teze
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kgs. Lyngby 2800, Denmark
| | - Carme Rovira
- Departament de Química Inorgànica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, Barcelona 08010, Spain
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15
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Amin K, Tranchimand S, Benvegnu T, Abdel-Razzak Z, Chamieh H. Glycoside Hydrolases and Glycosyltransferases from Hyperthermophilic Archaea: Insights on Their Characteristics and Applications in Biotechnology. Biomolecules 2021; 11:biom11111557. [PMID: 34827555 PMCID: PMC8615776 DOI: 10.3390/biom11111557] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/09/2021] [Accepted: 10/16/2021] [Indexed: 01/18/2023] Open
Abstract
Hyperthermophilic Archaea colonizing unnatural habitats of extremes conditions such as volcanoes and deep-sea hydrothermal vents represent an unmeasurable bioresource for enzymes used in various industrial applications. Their enzymes show distinct structural and functional properties and are resistant to extreme conditions of temperature and pressure where their mesophilic homologs fail. In this review, we will outline carbohydrate-active enzymes (CAZymes) from hyperthermophilic Archaea with specific focus on the two largest families, glycoside hydrolases (GHs) and glycosyltransferases (GTs). We will present the latest advances on these enzymes particularly in the light of novel accumulating data from genomics and metagenomics sequencing technologies. We will discuss the contribution of these enzymes from hyperthermophilic Archaea to industrial applications and put the emphasis on newly identifed enzymes. We will highlight their common biochemical and distinct features. Finally, we will overview the areas that remain to be explored to identify novel promising hyperthermozymes.
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Affiliation(s)
- Khadija Amin
- Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and Its Applications, Lebanese University, Mitein Street, Tripoli P.O. Box 210, Lebanon; (K.A.); (Z.A.-R.)
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France; (S.T.); (T.B.)
| | - Sylvain Tranchimand
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France; (S.T.); (T.B.)
| | - Thierry Benvegnu
- Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France; (S.T.); (T.B.)
| | - Ziad Abdel-Razzak
- Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and Its Applications, Lebanese University, Mitein Street, Tripoli P.O. Box 210, Lebanon; (K.A.); (Z.A.-R.)
- Faculty of Sciences, Lebanese University, Rafic Hariri Campus, Beirut P.O. Box 6573, Lebanon
| | - Hala Chamieh
- Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and Its Applications, Lebanese University, Mitein Street, Tripoli P.O. Box 210, Lebanon; (K.A.); (Z.A.-R.)
- Faculty of Sciences, Lebanese University, Rafic Hariri Campus, Beirut P.O. Box 6573, Lebanon
- Correspondence:
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16
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Kurze E, Wüst M, Liao J, McGraphery K, Hoffmann T, Song C, Schwab W. Structure-function relationship of terpenoid glycosyltransferases from plants. Nat Prod Rep 2021; 39:389-409. [PMID: 34486004 DOI: 10.1039/d1np00038a] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Covering: up to 2021Terpenoids are physiologically active substances that are of great importance to humans. Their physicochemical properties are modified by glycosylation, in terms of polarity, volatility, solubility and reactivity, and their bioactivities are altered accordingly. Significant scientific progress has been made in the functional study of glycosylated terpenes and numerous plant enzymes involved in regio- and enantioselective glycosylation have been characterized, a reaction that remains chemically challenging. Crucial clues to the mechanism of terpenoid glycosylation were recently provided by the first crystal structures of a diterpene glycosyltransferase UGT76G1. Here, we review biochemically characterized terpenoid glycosyltransferases, compare their functions and primary structures, discuss their acceptor and donor substrate tolerance and product specificity, and elaborate features of the 3D structures of the first terpenoid glycosyltransferases from plants.
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Affiliation(s)
- Elisabeth Kurze
- Biotechnology of Natural Products, TUM School of Life Sciences, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany.
| | - Matthias Wüst
- Chair of Food Chemistry, Institute of Nutritional and Food Sciences, University of Bonn, Endenicher Allee 19C, 53115 Bonn, Germany.
| | - Jieren Liao
- Biotechnology of Natural Products, TUM School of Life Sciences, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany.
| | - Kate McGraphery
- Biotechnology of Natural Products, TUM School of Life Sciences, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany.
| | - Thomas Hoffmann
- Biotechnology of Natural Products, TUM School of Life Sciences, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany.
| | - Chuankui Song
- State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University Hefei, Anhui 230036, People's Republic of China.
| | - Wilfried Schwab
- Biotechnology of Natural Products, TUM School of Life Sciences, Technische Universität München, Liesel-Beckmann-Str. 1, 85354 Freising, Germany. .,State Key Laboratory of Tea Plant Biology and Utilization, International Joint Laboratory on Tea Chemistry and Health Effects, Anhui Agricultural University Hefei, Anhui 230036, People's Republic of China.
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17
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Teze D, Coines J, Fredslund F, Dubey KD, Bidart GN, Adams PD, Dueber JE, Svensson B, Rovira C, Welner DH. O-/N-/S-Specificity in Glycosyltransferase Catalysis: From Mechanistic Understanding to Engineering. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04171] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- David Teze
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Joan Coines
- Departament de Química Inorgánica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
| | - Folmer Fredslund
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Kshatresh D. Dubey
- Departament de Química Inorgánica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
| | - Gonzalo N. Bidart
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Paul D. Adams
- Department of Bioengineering, University of California, Berkeley, California 94704, United States
- Joint BioEnergy Institute, Emeryville, California 94608, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - John E. Dueber
- Department of Bioengineering, University of California, Berkeley, California 94704, United States
- Biological Systems & Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Birte Svensson
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Carme Rovira
- Departament de Química Inorgánica i Orgànica and Institut de Química Teòrica i Computacional (IQTCUB), Universitat de Barcelona, Barcelona 08028, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, Barcelona 08018, Spain
| | - Ditte H. Welner
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
- Joint BioEnergy Institute, Emeryville, California 94608, United States
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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18
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Hussain H, Ali I, Elizbit, Hussain W, Mamadalieva NZ, Hussain A, Ali M, Ahmed I, Ullah I, Green IR. Synthetic Studies towards Fungal glycosides: An Overview. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824999201105160034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Fungi have provided intriguing chemical diversity and have additionally proven to
be a tremendous source for a great variety of therapeutic molecules. Various fungal glycosides
have been reported from fungi and the majority of these metabolites possess cytotoxic and
antimicrobial effects. Although natural products are obtained in most cases in small amounts
from the specific natural source, total syntheses of these valuable commodities remain one of
the most important ways of obtaining them on a large scale for more detailed and comprehensive
biological studies. In addition, the total synthesis of secondary metabolites is a useful
tool, not only for the disclosure of novel complex pharmacologically active molecules but also
for the establishment of cutting-edge methodologies in synthetic chemistry. Numerous fungal
glycosides have been synthesized in the last four decades regarding the following natural
product classes viz., tetramic acid glycosides (epicoccamides A and D), polyketide glycosides (TMC-151C), 2-pyrone
glycosides (epipyrone A), diterpene glycosides (sordarin), depside glycosides (CRM646-A and –B, KS-501 and KS-
502), caloporosides (caloporoside A), glycolipids (emmyguyacins A and B, acremomannolipin A), and cerebrosides
(cerebroside B, Asperamide B, phalluside-1, Sch II). The current literature review about fungal glycoside synthetic
studies is, therefore, of interest for a wide range of scientists and researchers in the field of organic, natural product,
and medicinal chemists as it outlines key strategies of fungal glycosides and, in particular, glycosylation, the known
biological and pharmacological effects of these natural compounds have afforded a new dimension of exposure.
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Affiliation(s)
- Hidayat Hussain
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120 Halle (Saale), Germany
| | - Iftikhar Ali
- Shandong Key Laboratory of TCM Quality Control Technology, Shandong Analysis and Test Center, Jinan, Shandong Province (250014), China
| | - Elizbit
- Department Materials Engineering, National University of Sciences and Technology (NUST) H12, Islamabad, Pakistan
| | - Wahid Hussain
- Department of Botany, Government Post Graduate College Parachinar, District Kurram, Pakistan
| | - Nilufar Z. Mamadalieva
- Institute of the Chemistry of Plant Substances of the Academy Sciences of Uzbekistan, Tashkent 100170, Uzbekistan
| | - Amjad Hussain
- Department of Chemistry University of Okara, Okara, Pakistan
| | - Maroof Ali
- College of life Sciences, Anhui Normal University, Wuhu 241000, China
| | - Ishtiaq Ahmed
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, England, United Kingdom
| | - Izhar Ullah
- Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan
| | - Ivan R. Green
- Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland, Stellenbosch 7600, South Africa
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19
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Murguiondo C, Mestre A, Méndez-Líter JA, Nieto-Domínguez M, de Eugenio LI, Molina-Gutiérrez M, Martínez MJ, Prieto A. Enzymatic glycosylation of bioactive acceptors catalyzed by an immobilized fungal β-xylosidase and its multi-glycoligase variant. Int J Biol Macromol 2020; 167:245-254. [PMID: 33217466 DOI: 10.1016/j.ijbiomac.2020.11.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/06/2020] [Accepted: 11/10/2020] [Indexed: 10/23/2022]
Abstract
A recombinant β-xylosidase (rBxTW1) from the ascomycete Talaromyces amestolkiae and a mutant derived from it, with mostly synthetic activity, have been immobilized as magnetic cross-linked enzyme aggregates (mCLEAs). The mCLEAs of rBxTW1 kept the excellent hydrolytic and O-transxylosylating activities of the free enzyme and had improved thermal and pH stability. The mCLEAs of the mutant also maintained or improved the catalytic properties of the soluble enzyme, synthetizing the O-xylosides of vanillin and (-)-epigallocatechin gallate, and the N- and S-xyloside of 3,5-dibromo-1,2,4-triazole and thiophenol, respectively. The mCLEAs were recyclable across 4 cycles of synthesis of the O-xylosides through a green and highly selective process. The magnetic properties of the scaffold used for immobilization may allow the easy recovery and reuse of the biocatalyst even from reactions containing insoluble lignocellulosic biomass.
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Affiliation(s)
- Carlos Murguiondo
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Anna Mestre
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Juan A Méndez-Líter
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Manuel Nieto-Domínguez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Laura I de Eugenio
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - María Molina-Gutiérrez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain
| | - María Jesús Martínez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
| | - Alicia Prieto
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CIB-CSIC), c/Ramiro de Maeztu 9, 28040 Madrid, Spain.
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20
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Putkaradze N, Teze D, Fredslund F, Welner DH. Natural product C-glycosyltransferases - a scarcely characterised enzymatic activity with biotechnological potential. Nat Prod Rep 2020; 38:432-443. [PMID: 33005913 DOI: 10.1039/d0np00040j] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Covering: up to 2020C-Glycosyltransferases are enzymes that catalyse the transfer of sugar molecules to carbon atoms in substituted aromatic rings of a variety of natural products. The resulting β-C-glycosidic bond is more stable in vivo than most O-glycosidic bonds, hence offering an attractive modulation of a variety of compounds with multiple biological activities. While C-glycosylated natural products have been known for centuries, our knowledge of corresponding C-glycosyltransferases is scarce. Here, we discuss commonalities and differences in the known C-glycosyltransferases, review attempts to leverage them as synthetic biocatalysts, and discuss current challenges and limitations in their research and application.
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Affiliation(s)
- Natalia Putkaradze
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2800 Lyngby, Denmark.
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21
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Nieto-Domínguez M, Fernández de Toro B, de Eugenio LI, Santana AG, Bejarano-Muñoz L, Armstrong Z, Méndez-Líter JA, Asensio JL, Prieto A, Withers SG, Cañada FJ, Martínez MJ. Thioglycoligase derived from fungal GH3 β-xylosidase is a multi-glycoligase with broad acceptor tolerance. Nat Commun 2020; 11:4864. [PMID: 32978392 PMCID: PMC7519651 DOI: 10.1038/s41467-020-18667-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 09/02/2020] [Indexed: 11/09/2022] Open
Abstract
The synthesis of customized glycoconjugates constitutes a major goal for biocatalysis. To this end, engineered glycosidases have received great attention and, among them, thioglycoligases have proved useful to connect carbohydrates to non-sugar acceptors. However, hitherto the scope of these biocatalysts was considered limited to strong nucleophilic acceptors. Based on the particularities of the GH3 glycosidase family active site, we hypothesized that converting a suitable member into a thioglycoligase could boost the acceptor range. Herein we show the engineering of an acidophilic fungal β-xylosidase into a thioglycoligase with broad acceptor promiscuity. The mutant enzyme displays the ability to form O-, N-, S- and Se- glycosides together with sugar esters and phosphoesters with conversion yields from moderate to high. Analyses also indicate that the pKa of the target compound was the main factor to determine its suitability as glycosylation acceptor. These results expand on the glycoconjugate portfolio attainable through biocatalysis.
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Affiliation(s)
- Manuel Nieto-Domínguez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain.
| | - Beatriz Fernández de Toro
- NMR and Molecular Recognition Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Laura I de Eugenio
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Andrés G Santana
- Glycochemistry and Molecular recognition group, Instituto de Química Orgánica General (CSIC), C/Juan de la Cierva, 3, 28006, Madrid, Spain
| | - Lara Bejarano-Muñoz
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Zach Armstrong
- Department of Chemistry, Centre for High-Throughput Biology, University of British Columbia, Vancouver, Canada
| | - Juan Antonio Méndez-Líter
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Juan Luis Asensio
- Glycochemistry and Molecular recognition group, Instituto de Química Orgánica General (CSIC), C/Juan de la Cierva, 3, 28006, Madrid, Spain
| | - Alicia Prieto
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - Stephen G Withers
- Department of Chemistry, Centre for High-Throughput Biology, University of British Columbia, Vancouver, Canada
| | - Francisco Javier Cañada
- NMR and Molecular Recognition Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain
| | - María Jesús Martínez
- Biotechnology for Lignocellulosic Biomass Group, Centro de Investigaciones Biológicas Margarita Salas (CSIC), C/Ramiro de Maeztu 9, 28040, Madrid, Spain.
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22
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Bashyal P, Thapa SB, Kim TS, Pandey RP, Sohng JK. Exploring the Nucleophilic N- and S-Glycosylation Capacity of Bacillus licheniformis YjiC Enzyme. J Microbiol Biotechnol 2020; 30:1092-1096. [PMID: 32238768 PMCID: PMC9728172 DOI: 10.4014/jmb.2001.01024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 03/15/2020] [Indexed: 12/15/2022]
Abstract
YjiC, a glycosyltransferase from Bacillus licheniformis, is a well-known versatile enzyme for glycosylation of diverse substrates. Although a number of O-glycosylated products have been produced using YjiC, no report has been updated for nucleophilic N-, S-, and C- glycosylation. Here, we report the additional functional capacity of YjiC for nucleophilic N- and S- glycosylation using a broad substrate spectrum including UDP-α-D-glucose, UDP-N-acetyl glucosamine, UDP-N-acetylgalactosamine, UDP-α-D-glucuronic acid, TDP-α-L-rhamnose, TDP-α-D-viosamine, and GDP-α-Lfucose as donor and various amine and thiol groups containing natural products as acceptor substrates. The results revealed YjiC as a promiscuous enzyme for conjugating diverse sugars at amine and thiol functional groups of small molecules applicable for generating glycofunctionalized chemical diversity libraries. The glycosylated products were analyzed using HPLC and LC/MS and compared with previous reports.
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Affiliation(s)
- Puspalata Bashyal
- Department of Life Science and Biochemical Engineering, Sun Moon University, Asan 31460, Republic of Korea
| | - Samir Bahadur Thapa
- Department of Life Science and Biochemical Engineering, Sun Moon University, Asan 31460, Republic of Korea
| | - Tae-Su Kim
- Department of Life Science and Biochemical Engineering, Sun Moon University, Asan 31460, Republic of Korea
| | - Ramesh Prasad Pandey
- Department of Life Science and Biochemical Engineering, Sun Moon University, Asan 31460, Republic of Korea,Department of Department of Pharmaceutical Engineering and Biotechnology, Sun Moon University, Asan 31460, Republic of Korea,Corresponding authors J.K.S. Phone: +82-41-530-2246 Fax: +82-41-544-2919 E-mail:
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, Sun Moon University, Asan 31460, Republic of Korea,Corresponding authors J.K.S. Phone: +82-41-530-2246 Fax: +82-41-544-2919 E-mail:
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23
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Advances on the in vivo and in vitro glycosylations of flavonoids. Appl Microbiol Biotechnol 2020; 104:6587-6600. [PMID: 32514754 DOI: 10.1007/s00253-020-10667-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/27/2020] [Accepted: 05/02/2020] [Indexed: 02/06/2023]
Abstract
Flavonoids possess diverse bioactivity and potential medicinal values. Glycosylation of flavonoids, coupling flavonoid aglycones and glycosyl groups in conjugated form, can change the biological activity of flavonoids, increase water solubility, reduce toxic and side effects, and improve specific targeting. Therefore, it is desirable to synthesize various flavonoid glycosides for further investigation on their medicinal values. Compared with chemical glycosylations, biotransformations catalyzed by uridine diphospho-glycosyltransferases provide an environmentally friendly way to construct glycosidic bonds without repetitive chemical synthetic steps of protection, activation, coupling, and deprotection. In this review, we will summarize the existing knowledge on the biotechnological glycosylation reactions either in vitro or in vivo for the synthesis of flavonoid O- and C-glycosides and other rare analogs.Key points• Flavonoid glycosides usually show improved properties compared with their flavonoid aglycones.• Chemical glycosylation requires repetitive synthetic steps and purifications.• Biotechnological glycosylation reactions either in vitro or in vivo were discussed.• Provides representative synthetic examples in detail.
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24
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Mrudulakumari Vasudevan U, Lee EY. Flavonoids, terpenoids, and polyketide antibiotics: Role of glycosylation and biocatalytic tactics in engineering glycosylation. Biotechnol Adv 2020; 41:107550. [PMID: 32360984 DOI: 10.1016/j.biotechadv.2020.107550] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/19/2020] [Accepted: 04/24/2020] [Indexed: 02/07/2023]
Abstract
Flavonoids, terpenoids, and polyketides are structurally diverse secondary metabolites used widely as pharmaceuticals and nutraceuticals. Most of these molecules exist in nature as glycosides, in which sugar residues act as a decisive factor in their architectural complexity and bioactivity. Engineering glycosylation through selective trimming or extension of the sugar residues in these molecules is a prerequisite to their commercial production as well to creating novel derivatives with specialized functions. Traditional chemical glycosylation methods are tedious and can offer only limited end-product diversity. New in vitro and in vivo biocatalytic tools have emerged as outstanding platforms for engineering glycosylation in these three classes of secondary metabolites to create a large repertoire of versatile glycoprofiles. As knowledge has increased about secondary metabolite-associated promiscuous glycosyltransferases and sugar biosynthetic machinery, along with phenomenal progress in combinatorial biosynthesis, reliable industrial production of unnatural secondary metabolites has gained momentum in recent years. This review highlights the significant role of sugar residues in naturally occurring flavonoids, terpenoids, and polyketide antibiotics. General biocatalytic tools used to alter the identity and pattern of sugar molecules are described, followed by a detailed illustration of diverse strategies used in the past decade to engineer glycosylation of these valuable metabolites, exemplified with commercialized products and patents. By addressing the challenges involved in current bio catalytic methods and considering the perspectives portrayed in this review, exceptional drugs, flavors, and aromas from these small molecules could come to dominate the natural-product industry.
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Affiliation(s)
| | - Eun Yeol Lee
- Department of Chemical Engineering, Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
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25
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Kurdziel M, Kopeć M, Pâris A, Lewiński K, Lafite P, Daniellou R. Thioglycoligation of aromatic thiols using a natural glucuronide donor. Org Biomol Chem 2020; 18:5582-5585. [DOI: 10.1039/d0ob00226g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This is the first example of a thioglycoligase that is able to catalyse the formation of S-glucuronides using aromatic thiols and a natural glucuronide donor.
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Affiliation(s)
- Martyna Kurdziel
- Institut de Chimie Organique et Analytique (ICOA)
- Université d'Orléans/CNRS
- UMR 7311
- Orléans Cedex 2
- France
| | - Magdalena Kopeć
- Institut de Chimie Organique et Analytique (ICOA)
- Université d'Orléans/CNRS
- UMR 7311
- Orléans Cedex 2
- France
| | - Arnaud Pâris
- Institut de Chimie Organique et Analytique (ICOA)
- Université d'Orléans/CNRS
- UMR 7311
- Orléans Cedex 2
- France
| | - Krzysztof Lewiński
- Jagiellonian University
- Faculty of Chemistry
- Department of Crystal Chemistry and Crystal Physics
- Gronostajowa 2
- Poland
| | - Pierre Lafite
- Institut de Chimie Organique et Analytique (ICOA)
- Université d'Orléans/CNRS
- UMR 7311
- Orléans Cedex 2
- France
| | - Richard Daniellou
- Institut de Chimie Organique et Analytique (ICOA)
- Université d'Orléans/CNRS
- UMR 7311
- Orléans Cedex 2
- France
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26
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S-glycosyltransferase UGT74B1 can glycosylate both S- and O-acceptors: mechanistic insights through substrate specificity. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.110631] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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27
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Hydrolysis of Glycosyl Thioimidates by Glycoside Hydrolase Requires Remote Activation for Efficient Activity. Catalysts 2019. [DOI: 10.3390/catal9100826] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Chemoenzymatic synthesis of glycosides relies on efficient glycosyl donor substrates able to react rapidly and efficiently, yet with increased stability towards chemical or enzymatic hydrolysis. In this context, glycosyl thioimidates have previously been used as efficient donors, in the case of hydrolysis or thioglycoligation. In both cases, the release of the thioimidoyl aglycone was remotely activated through a protonation driven by a carboxylic residue in the active site of the corresponding enzymes. A recombinant glucosidase (DtGly) from Dictyoglomus themophilum, previously used in biocatalysis, was also able to use such glycosyl thioimidates as substrates. Yet, enzymatic kinetic values analysis, coupled to mutagenesis and in silico modelling of DtGly/substrate complexes demonstrated that the release of the thioimidoyl moiety during catalysis is only driven by its leaving group ability, without the activation of a remote protonation. In the search of efficient glycosyl donors, glycosyl thioimidates are attractive and efficient. Their utility, however, is limited to enzymes able to promote leaving group release by remote activation.
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28
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Li QW, Zhang R, Zhou ZQ, Sun WY, Fan HX, Wang Y, Xiao J, So KF, Yao XS, Gao H. Phenylpropanoid glycosides from the fruit of Lycium barbarum L. and their bioactivity. PHYTOCHEMISTRY 2019; 164:60-66. [PMID: 31096077 DOI: 10.1016/j.phytochem.2019.04.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 04/05/2019] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
Fifteen phenylpropanoid glycosides, including six undescribed compounds were isolated from the fruit of Lycium barbarum L. (Solanaceae) (goji or wolfberry). Their structures were identified by detailed spectroscopic analyses. Seven known compounds were firstly isolated from the genus Lycium, in which the 1D and 2D NMR data of one compound were reported for the first time. Notably, two undescribed compounds were a pair of rare tautomeric glycoside anomers characterized by the presence of free anomeric hydroxy. Antioxidant and hypoglycemic activities of all these compounds were assessed using DPPH radical scavenging, oxygen radical absorbance capacity (ORAC), and α-glucosidase inhibitory assays, respectively. These compounds showed different levels of oxygen radical absorbance capacity, and some isolates exhibited potent antioxidant activity with greater ORAC values than the positive control (EGCG).
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Affiliation(s)
- Qing-Wen Li
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China
| | - Rui Zhang
- Clinical Medicine Research Institute, The First Affiliated Hospital of Jinan University, Guangzhou 510632, People's Republic of China
| | - Zheng-Qun Zhou
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China; Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, People's Republic of China.
| | - Wan-Yang Sun
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China
| | - Hong-Xia Fan
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China; Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, People's Republic of China
| | - Ying Wang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, People's Republic of China
| | - Jia Xiao
- Clinical Medicine Research Institute, The First Affiliated Hospital of Jinan University, Guangzhou 510632, People's Republic of China
| | - Kwok-Fai So
- Guangdong Medical Key Laboratory of Brain Function and Diseases, GMH Institute of Central Nervous System Regeneration, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Xin-Sheng Yao
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China
| | - Hao Gao
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Jinan University, Guangzhou 510632, People's Republic of China.
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29
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Hevey R. Bioisosteres of Carbohydrate Functional Groups in Glycomimetic Design. Biomimetics (Basel) 2019; 4:E53. [PMID: 31357673 PMCID: PMC6784292 DOI: 10.3390/biomimetics4030053] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 02/07/2023] Open
Abstract
The aberrant presentation of carbohydrates has been linked to a number of diseases, such as cancer metastasis and immune dysregulation. These altered glycan structures represent a target for novel therapies by modulating their associated interactions with neighboring cells and molecules. Although these interactions are highly specific, native carbohydrates are characterized by very low affinities and inherently poor pharmacokinetic properties. Glycomimetic compounds, which mimic the structure and function of native glycans, have been successful in producing molecules with improved pharmacokinetic (PK) and pharmacodynamic (PD) features. Several strategies have been developed for glycomimetic design such as ligand pre-organization or reducing polar surface area. A related approach to developing glycomimetics relies on the bioisosteric replacement of carbohydrate functional groups. These changes can offer improvements to both binding affinity (e.g., reduced desolvation costs, enhanced metal chelation) and pharmacokinetic parameters (e.g., improved oral bioavailability). Several examples of bioisosteric modifications to carbohydrates have been reported; this review aims to consolidate them and presents different possibilities for enhancing core interactions in glycomimetics.
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Affiliation(s)
- Rachel Hevey
- Molecular Pharmacy, Department Pharmaceutical Sciences, University of Basel, Klingelbergstr. 50, 4056 Basel, Switzerland.
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30
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Wu X, Chen L, Fu F, Fan Y, Luo Z. Synthesis and surface properties of alkyl β‑ ‑thioglucopyranoside. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.11.134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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31
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Guillotin L, Kim H, Traore Y, Moreau P, Lafite P, Coquoin V, Nuccio S, de Vaumas R, Daniellou R. Biochemical Characterization of the α-l-Rhamnosidase DtRha from Dictyoglomus thermophilum: Application to the Selective Derhamnosylation of Natural Flavonoids. ACS OMEGA 2019; 4:1916-1922. [PMID: 31459445 PMCID: PMC6649072 DOI: 10.1021/acsomega.8b03186] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 01/10/2019] [Indexed: 05/25/2023]
Abstract
α-l-Rhamnosidases are catalysts of industrial tremendous interest, but their uses are still somewhat limited by their poor thermal stabilities and selectivities. The thermophilic DtRha from Dictyoglomus thermophilum was cloned, and the recombinant protein was easily purified to homogeneity to afford 4.5 mg/L culture of biocatalyst. Michaelis-Menten parameters demonstrated it to be fully specific for α-l-rhamnose. Most significantly, DtRha demonstrated to have a stronger preference for α(1 → 2) linkage rather than α(1 → 6) linkage when removing rhamnosyl moiety from natural flavonoids. This selectivity was fully explained by the difference of binding of the corresponding substrates in the active site of the protein.
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Affiliation(s)
- Laure Guillotin
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
| | - Hyuna Kim
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
| | - Yasmina Traore
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
| | - Philippe Moreau
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
| | - Pierre Lafite
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
| | - Véronique Coquoin
- Extrasynthese, CS 30062,
ZI Lyon Nord, Impasse
Jacquard, 69727 Genay Cedex, France
| | - Sylvie Nuccio
- Extrasynthese, CS 30062,
ZI Lyon Nord, Impasse
Jacquard, 69727 Genay Cedex, France
| | - René de Vaumas
- Extrasynthese, CS 30062,
ZI Lyon Nord, Impasse
Jacquard, 69727 Genay Cedex, France
| | - Richard Daniellou
- Université
d’Orléans, CNRS, ICOA, UMR 7311, Rue de Chartres, BP 6759, 45067 Orléans Cedex 2, France
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32
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Ati J, Colas C, Lafite P, Sweeney RP, Zheng RB, Lowary TL, Daniellou R. The LPG1x family from Leishmania major is constituted of rare eukaryotic galactofuranosyltransferases with unprecedented catalytic properties. Sci Rep 2018; 8:17566. [PMID: 30514885 PMCID: PMC6279836 DOI: 10.1038/s41598-018-35847-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 11/09/2018] [Indexed: 12/15/2022] Open
Abstract
Galactofuranosyltransferases are poorly described enzymes despite their crucial role in the virulence and the pathogenicity of numerous microorganisms. These enzymes are considered as potential targets for therapeutic action. In addition to the only well-characterised prokaryotic GlfT2 from Mycobacterium tuberculosis, four putative genes in Leishmania major were previously described as potential galactofuranosyltransferases. In this study, we have cloned, over-expressed, purified and fully determined the kinetic parameters of these four eukaryotic enzymes, thus demonstrating their unique potency in catalysing the transfer of the galactofuranosyl moiety into acceptors. Their individual promiscuity revealed to be different, as some of them could efficiently use NDP-pyranoses as donor substrates in addition to the natural UDP-galactofuranose. Such results pave the way for the development of chemoenzymatic synthesis of furanosyl-containing glycoconjugates as well as the design of improved drugs against leishmaniasis.
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Affiliation(s)
- Jihen Ati
- Institut de Chimie Organique et Analytique, UMR CNRS 7311, Université d'Orléans, Rue de Chartres, BP6759, Orléans, Cedex 02, France
| | - Cyril Colas
- Institut de Chimie Organique et Analytique, UMR CNRS 7311, Université d'Orléans, Rue de Chartres, BP6759, Orléans, Cedex 02, France
| | - Pierre Lafite
- Institut de Chimie Organique et Analytique, UMR CNRS 7311, Université d'Orléans, Rue de Chartres, BP6759, Orléans, Cedex 02, France
| | - Ryan P Sweeney
- Alberta Glycomics Centre and Department of Chemistry, The University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Ruixiang Blake Zheng
- Alberta Glycomics Centre and Department of Chemistry, The University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Todd L Lowary
- Alberta Glycomics Centre and Department of Chemistry, The University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Richard Daniellou
- Institut de Chimie Organique et Analytique, UMR CNRS 7311, Université d'Orléans, Rue de Chartres, BP6759, Orléans, Cedex 02, France.
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33
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Nidetzky B, Gutmann A, Zhong C. Leloir Glycosyltransferases as Biocatalysts for Chemical Production. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00710] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010 Graz, Austria
- Austrian Centre of Industrial Biotechnology (acib), Petersgasse 14, A-8010 Graz, Austria
| | - Alexander Gutmann
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010 Graz, Austria
| | - Chao Zhong
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, NAWI Graz, Petersgasse 12, A-8010 Graz, Austria
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34
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Sauvageot E, Elie M, Gaillard S, Daniellou R, Fechter P, Schalk IJ, Gasser V, Renaud JL, Mislin GLA. Antipseudomonal activity enhancement of luminescent iridium(iii) dipyridylamine complexes under visible blue light. Metallomics 2017; 9:1820-1827. [PMID: 29164204 DOI: 10.1039/c7mt00262a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cyclometallated iridium(iii) dipyridylamine complexes present antibacterial activity against P. aeruginosa, a highly resistant pathogenic bacterium. This activity is increased when the complex is conjugated to biotin, a bacterial nutrient, and a MIC of 4 μM (4 μg mL-1) has been observed. The irradiation of P. aeruginosa cultures with blue LED light potentiates the anti-bacterial activities of these iridium(iii) complexes when they are conjugated to a glycoside.
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Affiliation(s)
- E Sauvageot
- Normandy Université, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France.
| | - M Elie
- Normandy Université, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France.
| | - S Gaillard
- Normandy Université, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France.
| | - R Daniellou
- Institut de Chimie Organique et Analytique (ICOA)-UMR CNRS 7311-Université d'Orléans, rue de Chartres, BP 6759, 45067 Orléans cedex 2, France.
| | - P Fechter
- CNRS, UMR7242 Biotechnologie et Signalisation Cellulaire, 67400 Illkirch-Graffenstaden, France. and Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67400 Illkirch-Graffenstaden, France
| | - I J Schalk
- CNRS, UMR7242 Biotechnologie et Signalisation Cellulaire, 67400 Illkirch-Graffenstaden, France. and Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67400 Illkirch-Graffenstaden, France
| | - V Gasser
- CNRS, UMR7242 Biotechnologie et Signalisation Cellulaire, 67400 Illkirch-Graffenstaden, France. and Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67400 Illkirch-Graffenstaden, France
| | - J-L Renaud
- Normandy Université, LCMT, ENSICAEN, UNICAEN, CNRS, 14000 Caen, France.
| | - G L A Mislin
- CNRS, UMR7242 Biotechnologie et Signalisation Cellulaire, 67400 Illkirch-Graffenstaden, France. and Université de Strasbourg, Institut de Recherche de l'Ecole de Biotechnologie de Strasbourg, 67400 Illkirch-Graffenstaden, France
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