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Li J, Mui JWY, da Silva BM, Pires DEV, Ascher DB, Madiedo Soler N, Goddard-Borger ED, Williams SJ. A Broad-Spectrum α-Glucosidase of Glycoside Hydrolase Family 13 from Marinovum sp., a Member of the Roseobacter Clade. Appl Biochem Biotechnol 2024:10.1007/s12010-023-04820-3. [PMID: 38180643 DOI: 10.1007/s12010-023-04820-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 01/06/2024]
Abstract
Glycoside hydrolases (GHs) are a diverse group of enzymes that catalyze the hydrolysis of glycosidic bonds. The Carbohydrate-Active enZymes (CAZy) classification organizes GHs into families based on sequence data and function, with fewer than 1% of the predicted proteins characterized biochemically. Consideration of genomic context can provide clues to infer possible enzyme activities for proteins of unknown function. We used the MultiGeneBLAST tool to discover a gene cluster in Marinovum sp., a member of the marine Roseobacter clade, that encodes homologues of enzymes belonging to the sulfoquinovose monooxygenase pathway for sulfosugar catabolism. This cluster lacks a gene encoding a classical family GH31 sulfoquinovosidase candidate, but which instead includes an uncharacterized family GH13 protein (MsGH13) that we hypothesized could be a non-classical sulfoquinovosidase. Surprisingly, recombinant MsGH13 lacks sulfoquinovosidase activity and is a broad-spectrum α-glucosidase that is active on a diverse array of α-linked disaccharides, including maltose, sucrose, nigerose, trehalose, isomaltose, and kojibiose. Using AlphaFold, a 3D model for the MsGH13 enzyme was constructed that predicted its active site shared close similarity with an α-glucosidase from Halomonas sp. H11 of the same GH13 subfamily that shows narrower substrate specificity.
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Affiliation(s)
- Jinling Li
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Janice W-Y Mui
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Bruna M da Silva
- Computational Biology and Clinical Informatics, Baker Heart and Diabetes Institute, Melbourne, Victoria, 3004, Australia
- School of Computing and Information Systems, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Douglas E V Pires
- Computational Biology and Clinical Informatics, Baker Heart and Diabetes Institute, Melbourne, Victoria, 3004, Australia
- School of Computing and Information Systems, University of Melbourne, Parkville, Victoria, 3010, Australia
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland, 4072, Australia
| | - David B Ascher
- Computational Biology and Clinical Informatics, Baker Heart and Diabetes Institute, Melbourne, Victoria, 3004, Australia
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland, 4072, Australia
| | - Niccolay Madiedo Soler
- ACRF Chemical Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Ethan D Goddard-Borger
- ACRF Chemical Biology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, 3052, Australia
- Department of Medical Biology, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Spencer J Williams
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria, 3010, Australia.
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2
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Bonfim IM, Paixão DA, Andrade MDO, Junior JM, Persinoti GF, de Giuseppe PO, Murakami MT. Plant structural and storage glucans trigger distinct transcriptional responses that modulate the motility of Xanthomonas pathogens. Microbiol Spectr 2023; 11:e0228023. [PMID: 37855631 PMCID: PMC10714752 DOI: 10.1128/spectrum.02280-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 09/05/2023] [Indexed: 10/20/2023] Open
Abstract
IMPORTANCE Pathogenic Xanthomonas bacteria can affect a variety of economically relevant crops causing losses in productivity, limiting commercialization and requiring phytosanitary measures. These plant pathogens exhibit high level of host and tissue specificity through multiple molecular strategies including several secretion systems, effector proteins, and a broad repertoire of carbohydrate-active enzymes (CAZymes). Many of these CAZymes act on the plant cell wall and storage carbohydrates, such as cellulose and starch, releasing products used as nutrients and modulators of transcriptional responses to support host colonization by mechanisms yet poorly understood. Here, we reveal that structural and storage β-glucans from the plant cell function as spatial markers, providing distinct chemical stimuli that modulate the transition between higher and lower motility states in Xanthomonas citri, a key virulence trait for many bacterial pathogens.
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Affiliation(s)
- Isabela Mendes Bonfim
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
- Graduate Program in Molecular and Morphofunctional Biology, Institute of Biology, University of Campinas, São Paulo, Brazil
| | - Douglas Alvarez Paixão
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
| | - Maxuel de Oliveira Andrade
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
| | - Joaquim Martins Junior
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
| | - Gabriela Felix Persinoti
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
| | - Priscila Oliveira de Giuseppe
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
| | - Mário Tyago Murakami
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), São Paulo, Brazil
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3
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Cao W, Watanabe R, Ishii Y, Kirimura K. Enzymatic and selective production of alkyl α-d-glucopyranosides by the α-glucosyl transfer enzyme derived from Xanthomonas campestris WU-9701. J Biosci Bioeng 2023; 136:347-352. [PMID: 37748981 DOI: 10.1016/j.jbiosc.2023.08.007] [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: 05/16/2023] [Revised: 08/18/2023] [Accepted: 08/30/2023] [Indexed: 09/27/2023]
Abstract
Several alkyl glucosides exhibit various bioactivities. 1-Octyl β-d-glucopyranoside produced by organic synthesis is used as a nonionic surfactant. However, no convenient method has been developed for the selective production of alkyl α-glucosides (α-AGs), such as 1-octyl α-d-glucopyranoside (α-OG). Therefore, we developed a simple method for selective production of α-AGs using the glucosyl transfer enzyme XgtA, (E.C. 3.2.1.20), derived from Xanthomonas campestris WU-9701. When 0.80 M alkyl alcohol and 2.5 units XgtA were incubated in 2.0 mL of 30 mM HEPES-NaOH buffer (pH 8.0) containing 1.2 M maltose at 45 °C, a specific α-AG corresponding to each alkyl alcohol (C2-C10) was detected. Under the standard conditions, we examined the selective production of α-OG from 1-octanol and maltose using XgtA. The reaction product was isolated and identified as α-OG via 1H nuclear magnetic resonance and nuclear overhauser effect spectroscopy analyses. No other glucosylated products, such as maltotriose, were detected in the reaction mixture. Under the standard conditions at 45 °C for 96 h, 243 mM α-OG (71 g/L) was produced in one batch production. Moreover, the addition of glucose isomerase to the reaction mixture decreased the concentration of glucose released via the reaction and increased the amount of α-OG produced; 359 mM α-OG (105 g/L) was maximally produced at 96 h. In conclusion, this study demonstrates the selective production of α-AGs using a simple enzymatic reaction, and XgtA has the potential to selectively produce various α-AGs.
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Affiliation(s)
- Wei Cao
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Risa Watanabe
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Yoshitaka Ishii
- Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Kohtaro Kirimura
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan; Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan.
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4
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Wu Y, Yu X, Zhou H, Li S, Wu X, Zhao J. Revealing the critical role of Leucine145 of α-glucosidase AglA for enhancing α-arbutin production. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.112943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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5
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Chen L, Jiang K, Zhou Y, Zhu L, Chen X. Improving the Thermostability of α-Glucosidase from Xanthomonas campestris through Proline Substitutions Guided by Semi-rational Design. BIOTECHNOL BIOPROC E 2022. [DOI: 10.1007/s12257-022-0129-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Kirimura K, Cao W, Onda Y, Yoshioka I, Ishii Y. Selective and high-yield production of ethyl α-d-glucopyranoside by the α-glucosyl transfer enzyme of Xanthomonas campestris WU-9701 and glucose isomerase. J Biosci Bioeng 2022; 134:220-225. [PMID: 35864059 DOI: 10.1016/j.jbiosc.2022.06.012] [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: 02/16/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 10/17/2022]
Abstract
Ethyl α-d-glucopyranoside (α-EG) is detected in sake (Japanese rice wine), that has moisturizing and skin conditioning effects. The production of α-EG by fermentation or enzymatic synthesis to date generates unwanted by-products such as maltooligosaccharides and/or organic acids. In this study, we employed a reaction involving selective α-glucosylation of ethanol by the α-glucosyl transfer enzyme (XgtA) of Xanthomonas campestris WU-9701. Under standard conditions, when 0.80 M ethanol and 1.2 M maltose were used as substrates with XgtA (2.5 units) and incubated in 30 mM HEPES-NaOH buffer (pH 8.0) at 45°C, only one form of ethyl glucopyranoside was selectively obtained as a product. The isolated product was identified as ethyl α-d-glucopyranoside by 1H NMR, 1H-1H COSY, and NOESY analyses. In the reaction mixture, other glucosylated products such as maltotriose and ethylmaltoside were not detected. Under optimum conditions, 180 mM (37.5 g/L) α-EG was produced in one batch production for 80 h. Further, the reaction rate of α-EG production decreased with an increase in glucose, especially more than 500 mM. In contrast, the addition of glucose isomerase decreased the concentration of glucose and was useful for maintaining a glucose concentration of less than 500 mM in the reaction mixture. Thus, owing to the enzymatic reaction with XgtA and glucose isomerase, as much as 260 mM (54.1 g/L) α-EG was produced in one batch production for 100 h. Altogether, this study reports the highest concentration of α-EG produced by enzymatic reaction.
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Affiliation(s)
- Kohtaro Kirimura
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan; Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan.
| | - Wei Cao
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Yutaka Onda
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Isato Yoshioka
- Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Yoshitaka Ishii
- Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo 169-8555, Japan
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7
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Xu KX, Xue MG, Li Z, Ye BC, Zhang B. Recent Progress on Feasible Strategies for Arbutin Production. Front Bioeng Biotechnol 2022; 10:914280. [PMID: 35615473 PMCID: PMC9125391 DOI: 10.3389/fbioe.2022.914280] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
Arbutin is a hydroquinone glucoside and a natural product present in various plants. Arbutin potently inhibits melanin formation. This property has been exploited in whitening cosmetics and pharmaceuticals. Arbutin production relies mainly on chemical synthesis. The multi-step and complicated process can compromise product purity. With the increasing awareness of sustainable development, the current research direction prioritizes environment-friendly, biobased arbutin production. In this review, current strategies for arbutin production are critically reviewed, with a focus on plant extraction, chemical synthesis, biotransformation, and microbial fermentation. Furthermore, the bottlenecks and perspectives for future direction on arbutin biosynthesis are discussed.
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Affiliation(s)
- Ke-Xin Xu
- Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resource, College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, China
| | - Meng-Ge Xue
- Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resource, College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, China
| | - Zhimin Li
- Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resource, College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, China
| | - Bang-Ce Ye
- College of Bioengineering, East China University of Science and Technology, Shanghai, China
| | - Bin Zhang
- Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resource, College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang, China
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8
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Salami M, Sadeghian Motahar SF, Ariaeenejad S, Sheykh Abdollahzadeh Mamaghani A, Kavousi K, Moosavi-Movahedi AA, Hosseini Salekdeh G. The novel homologue of the human α-glucosidase inhibited by the non-germinated and germinated quinoa protein hydrolysates after in vitro gastrointestinal digestion. J Food Biochem 2021; 46:e14030. [PMID: 34914113 DOI: 10.1111/jfbc.14030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/14/2022]
Abstract
Quinoa (Chenopodium quinoa Willd) is a potential source of protein with ideal amino acid profiles which its bioactive compounds can be improved during germination and gastrointestinal digestion. The present investigation studies the impact of germination for 24 hr and simulated gastrointestinal digestion on α-glucosidase inhibitory activity of the quinoa protein and bioactive peptides against the novel homologue of human α-glucosidase, PersiAlpha-GL1. The sprouted quinoa after gastroduodenal digestion was the most effective α-glucosidase inhibitor showing 81.10% α-glucosidase inhibition at concentration 4 mg/ml with the half inhibition rate (IC50 ) of 0.07 mg/ml. Based on the kinetic analysis, both the germinated and non-germinated samples before and after digestion were competitive-type inhibitors of α-glucosidase. Results of this study showed the improved α-glucosidase inhibitory activity of the quinoa bioactive peptides after germination and gastrointestinal digestion and highlighted the potential of metagenome-derived PersiAlpha-GL1 as a novel homologue of the human α-glucosidase for developing the future anti-diabetic drugs. PRACTICAL APPLICATIONS: This study aimed to evaluate the effect of germination and gastrointestinal digestion of the quinoa protein and bioactive peptides on α-glucosidase inhibitory activity against the novel PersiAlpha-GL1. Metagenomic data were used to identify the novel α-glucosidase structurally and functionally homologue of human intestinal. The results showed the highest inhibition on PersiAlpha-GL1 by a germinated quinoa after gastroduodenal digestion and confirmed the potential of PersiAlpha-GL1 to enhance the effectiveness of the anti-diabetic drugs for industrial application.
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Affiliation(s)
- Maryam Salami
- Department of Food Science and Engineering, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
| | - Seyedeh Fatemeh Sadeghian Motahar
- Department of Food Science and Engineering, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
| | - Shohreh Ariaeenejad
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Atefeh Sheykh Abdollahzadeh Mamaghani
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Kaveh Kavousi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | | | - Ghasem Hosseini Salekdeh
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
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9
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Structural Insight into a Yeast Maltase-The BaAG2 from Blastobotrys adeninivorans with Transglycosylating Activity. J Fungi (Basel) 2021; 7:jof7100816. [PMID: 34682239 PMCID: PMC8539097 DOI: 10.3390/jof7100816] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 11/16/2022] Open
Abstract
An early-diverged yeast, Blastobotrys (Arxula) adeninivorans (Ba), has biotechnological potential due to nutritional versatility, temperature tolerance, and production of technologically applicable enzymes. We have biochemically characterized from the Ba type strain (CBS 8244) the GH13-family maltase BaAG2 with efficient transglycosylation activity on maltose. In the current study, transglycosylation of sucrose was studied in detail. The chemical entities of sucrose-derived oligosaccharides were determined using nuclear magnetic resonance. Several potentially prebiotic oligosaccharides with α-1,1, α-1,3, α-1,4, and α-1,6 linkages were disclosed among the products. Trisaccharides isomelezitose, erlose, and theanderose, and disaccharides maltulose and trehalulose were dominant transglycosylation products. To date no structure for yeast maltase has been determined. Structures of the BaAG2 with acarbose and glucose in the active center were solved at 2.12 and 2.13 Å resolution, respectively. BaAG2 exhibited a catalytic domain with a (β/α)8-barrel fold and Asp216, Glu274, and Asp348 as the catalytic triad. The fairly wide active site cleft contained water channels mediating substrate hydrolysis. Next to the substrate-binding pocket an enlarged space for potential binding of transglycosylation acceptors was identified. The involvement of a Glu (Glu309) at subsite +2 and an Arg (Arg233) at subsite +3 in substrate binding was shown for the first time for α-glucosidases.
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10
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Agarwal N, Rai AK, Singh SP. Biotransformation of hydroquinone into α-arbutin by transglucosylation activity of a metagenomic amylosucrase. 3 Biotech 2021; 11:362. [PMID: 34295607 DOI: 10.1007/s13205-021-02909-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/24/2021] [Indexed: 11/28/2022] Open
Abstract
Arbutin is a naturally occurring glycosylated product of hydroquinone. With the ability to interrupt melanin biosynthesis in epidermal cells, it is a promising cosmetic ingredient. In this study, a novel amylosucrase, Asmet, identified from a thermal spring metagenome, has been characterized for arbutin biosynthesis. Asmet was able to catalyze transglucosylation of hydroquinone to arbutin, taking sucrose as glycosyl donor, in the temperature range of 20 °C to 40 °C and pH 5.0 to 6.0, with the relative activity of 80% or more. The presence of chloride salts of Li, K, and Na at 1 mM concentration did not exhibit any notable effect on the enzyme's activity, unlike Cu, Ni, and Mn, which were observed to be detrimental. The hydroquinone (20 mM) to sucrose ratio of 1:1 to 1:10 was appropriate for the catalytic biosynthesis of arbutin. The maximum hydroquinone to arbutin conversion of 70% was obtained in 24 h of Asmet led catalysis, at 30 °C and pH 6.0. Arbutin production was also demonstrated using low-cost feedstock, table sugar, muscovado, and sweet sorghum stalk extract, as a replacement for sucrose. Whole-cell catalysis of hydroquinone to arbutin transglucosylation was also established.
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Affiliation(s)
- Neera Agarwal
- Center of Innovative and Applied Bioprocessing (DBT-CIAB), Sector-81 (Knowledge City), Mohali, S.A.S. Nagar, 140 306 Punjab India
- Department of Biotechnology, Panjab University, Chandigarh, Punjab India
| | - Amit K Rai
- Institute of Bioresources and Sustainable Development (DBT-IBSD), Sikkim Centre, Tadong, Sikkim India
| | - Sudhir P Singh
- Center of Innovative and Applied Bioprocessing (DBT-CIAB), Sector-81 (Knowledge City), Mohali, S.A.S. Nagar, 140 306 Punjab India
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11
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Efficient production of l-menthyl α-glucopyranoside from l-menthol via whole-cell biotransformation using recombinant Escherichia coli. Biotechnol Lett 2021; 43:1757-1764. [PMID: 34037890 DOI: 10.1007/s10529-021-03100-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 02/05/2021] [Indexed: 12/23/2022]
Abstract
l-Menthyl α-D-glucopyranoside (α-MenG) is a glycoside derivative of l-menthol with improved water-solubility and new flavor property as a food additive. α-MenG can be synthesized through biotransformation, but its scale-up production was rarely reported. In this study, the properties of an α-glucosidase from Xanthomonas campestris pv. campestris 8004 (Agl-2) in catalyzing the glucosylation of menthol was investigated. Agl-2 can almost completely glycosylate l-menthol (> 99%) when using 1.2 M maltose as glycosyl donor. Accumulated glucose resulted from maltose hydrolysis and transglycosylation caused the inhibition of the glucosylation rate (40% reduction of the glucosylation rate in the presence of 1.2 M glucose) which can be avoided through whole-cell catalysis with recombinant E. coli. Interestingly, in spite of the poor solubility of menthol, the productivity of α-MenG reached 24.7 g/(L·h) in a 2 L catalyzing system, indicating industrialization of the reported approach.
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12
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Suzuki T, Fukaya M, Takahashi K, Takeuchi M, Hara R, Ogawa J, Ueda M. Cloning and characterization of a recombinant α-glucosidase from Ensifer adhaerens NBRC 100388 and evaluation of its glucosyl transfer activity. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101837] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Crystal structure of α-glucosyl transfer enzyme XgtA from Xanthomonas campestris WU-9701. Biochem Biophys Res Commun 2020; 526:580-585. [PMID: 32247611 DOI: 10.1016/j.bbrc.2020.03.109] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 11/24/2022]
Abstract
The α-glucosyl transfer enzyme XgtA is a novel type α-Glucosidase (EC 3.2.1.20) produced by Xanthomonas campestris WU-9701. One of the unique properties of XgtA is that it shows extremely high α-glucosylation activity toward alcoholic and phenolic -OH groups in compounds using maltose as an α-glucosyl donor and allows for the synthesis of various useful α-glucosides with high yields. XgtA shows no hydrolytic activity toward sucrose and no α-glucosylation activity toward saccharides to produce oligosaccharides. In this report, the crystal structure of XgtA was solved at 1.72 Å resolution. The crystal belonged to space group P22121, with unit-cell parameters a = 73.07, b = 83.48, and c = 180.79 Å. The β→α loop 4 of XgtA, which is proximal to the catalytic center, formed a unique structure that is not observed in XgtA homologs. Furthermore, XgtA was found to contain unique amino acid residues around its catalytic center. The unique structure of XgtA provides an insight into the mechanism for the regulation of substrate specificity in this enzyme.
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14
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Zhu L, Xu M, Lu C, Chen L, Xu A, Fang J, Chen H, Lu Y, Fan Y, Chen X. Optimization of whole-cell biotransformation for scale-up production of α-arbutin from hydroquinone by the use of recombinant Escherichia coli. AMB Express 2019; 9:94. [PMID: 31254161 PMCID: PMC6598918 DOI: 10.1186/s13568-019-0820-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 06/19/2019] [Indexed: 11/25/2022] Open
Abstract
α-Arbutin is an effective skin-whitening cosmetic ingredient and hyperpigmentation therapy agent. It can be synthesized by one-step enzymatic glycosylation of hydroquinone (HQ), but limited by the low yield. Amylosucrase (Amy-1) from Xanthomonas campestris pv. campestris 8004 was recently identified with high HQ glycosylation activity. In this study, whole-cell transformation by Amy-1 was optimized and process scale-up was evaluated in 5000-L reactor. In comparison with purified Amy-1, whole-cell catalyst of recombinant E. coli displays better tolerance against inhibitors (oxidized products of HQ) and requires lower molar ratio of sucrose and HQ to reach high conversion rate (> 99%). Excess accumulation of glucose (0.6–1.0 M) derived from sucrose hydrolysis inhibits HQ glycosylation rate by 46–60%, which suggests the importance of balancing HQ glycosylation rate and sucrose hydrolysis rate by adjusting the activity of whole-cell catalyst and HQ-fed rate. Using optimal conditions, 540 mM of final concentration and 95% of molar conversion rate were obtained within 13–18 h in laboratory scale. For industrial scale-up production, 398 mM and 375 mM of final concentration with high conversion rates (~ 95%) were obtained in 3500-L and 4000-L of reaction volume, respectively. These yields and productivities (4.5–4.9 kg kL−1 h−1) were the highest by comparing to the best we known. Hence, high-yield production of α-arbutin by batch-feeding whole-cell biotransformation was successfully achieved in the 5000-L reaction scale.
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15
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Batch-feeding whole-cell catalytic synthesis of α-arbutin by amylosucrase from Xanthomonas campestris. ACTA ACUST UNITED AC 2019; 46:759-767. [DOI: 10.1007/s10295-019-02143-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/23/2019] [Indexed: 11/26/2022]
Abstract
Abstract
α-Arbutin is an effective skin-whitening cosmetic ingredient and can be synthesized through hydroquinone glycosylation. In this study, amylosucrase (Amy-1) from Xanthomonas campestris pv. campestris 8004 was newly identified as a sucrose-utilizing glycosylating hydroquinone enzyme. Its kinetic parameters showed a seven-time higher affinity to hydroquinone than maltose-utilizing α-glycosidase. The glycosylation of HQ can be quickly achieved with over 99% conversion when a high molar ratio of glycoside donor to acceptor (80:1) was used. A batch-feeding catalysis method was designed to eliminate HQ inhibition with high productivity (> 36.4 mM h−1). Besides, to eliminate the serious inhibition caused by the accumulated hydroquinone oxidation products, the whole-cell catalysis was further proposed. 306 mM of α-arbutin was finally achieved with 95% molar conversion rate within 15 h. Hence, the batch-feeding whole-cell biocatalysis by Amy-1 is a promising technology for α-arbutin production with enhanced yield and molar conversion rate.
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Study on Transglucosylation Properties of Amylosucrase from Xanthomonas campestris pv. Campestris and Its Application in the Production of α-Arbutin. Catalysts 2018. [DOI: 10.3390/catal9010005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
α-Arbutin (4-hydroquinone-α-D-glucopyranoside), an effective skin-lightening agent due to its considerable inhibitory effect on human tyrosinase activity, is widely used in the pharmaceutical and cosmetic industries. Recently, α-arbutin was prepared through transglucosylation of hydroquinone using microbial glycosyltransferases as catalysts. However, the low yield and prolonged reaction time of the biotransformation process of α-arbutin production limited its industrial application. In this work, an amylosucrase (ASase) from Xanthomonas campestris pv. campestris str. ATCC 33913 (XcAS) was expressed efficiently in Escherichia coli JM109. The catalytic property of the purified XcAS for the synthesis of α-arbutin was tested. The recombinant strain was applied for highly efficient synthesis of α-arbutin using sucrose and hydroquinone as glucosyl donor and acceptor, respectively. By optimizing the biotransformation conditions and applying a fed-batch strategy, the final production yield and conversion rate of α-arbutin reached 60.9 g/L and 95.5%, respectively, which is the highest reported yield by engineered strains. Compared to the highest reported value (<1.4 g/L/h), our productivity (7.6 g/L/h) was improved more than five-fold. This work represents an efficient and rapid method for α-arbutin production with potential industrial applications.
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Takahashi K, Terauchi I, Ono M, Satoh H, Ueda M. Microbial production of neryl-α-D-glucopyranoside from nerol by Agrobacterium sp. M-12 reflects glucosyl transfer activity. Biosci Biotechnol Biochem 2018; 82:2205-2211. [PMID: 30185110 DOI: 10.1080/09168451.2018.1514250] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Terpene alcohol is widely used in perfumes and is known to possess antibacterial activity. Moreover, in its glycosylated form, it can be applied as a nonionic surfactant in food, and in the pharmaceutical, chemical, cosmetic, and detergent industries. Presently, chemical production of terpene glucosides is hampered by high costs and low yields. Here, we investigated the microbial glucosylation of nerol (cis-3,7-dimethylocta-2,6-dien-1-ol), a component of volatile oils, by Agrobacterium sp. M-12 isolated from soil. A microbial reaction using washed cells of Agrobacterium sp. M-12, 1 g/L of nerol, and 100 g/L of maltose under optimal conditions yielded 1.8 g/L of neryl-α-D-glucopyranoside after 72 h. The molar yield of neryl-α-D-glucopyranoside was 87.6%. Additionally, we report the successful transglucosylation of other monoterpene alcohols, such as geraniol, (-)-β-citronellol, and (-)-linalool, by Agrobacterium sp. M-12. Thus, microbial glucosylation has potential widespread applicability for efficient, low-cost production of glycosylated terpene alcohols.
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Affiliation(s)
| | | | - Marie Ono
- a Oyama National College of Technology , Oyama , Japan
| | | | - Makoto Ueda
- a Oyama National College of Technology , Oyama , Japan
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Zhu X, Tian Y, Zhang W, Zhang T, Guang C, Mu W. Recent progress on biological production of α-arbutin. Appl Microbiol Biotechnol 2018; 102:8145-8152. [DOI: 10.1007/s00253-018-9241-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/11/2018] [Accepted: 07/11/2018] [Indexed: 11/28/2022]
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Yu S, Wang Y, Tian Y, Xu W, Bai Y, Zhang T, Mu W. Highly efficient biosynthesis of α-arbutin from hydroquinone by an amylosucrase from Cellulomonas carboniz. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.02.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Mathiyalagan R, Kim YH, Kim YJ, Kim MK, Kim MJ, Yang DC. Enzymatic Formation of Novel Ginsenoside Rg1-α-Glucosides by Rat Intestinal Homogenates. Appl Biochem Biotechnol 2015; 177:1701-15. [PMID: 26411353 DOI: 10.1007/s12010-015-1847-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 09/09/2015] [Indexed: 10/23/2022]
Abstract
The variation of linkage positions in ginsenosides leads to diverse pharmacological efficiencies. The hydrolysis and transglycosylation properties of glycosyl hydrolase family enzymes have a great impact on the synthesis of novel and structurally diversified compounds. In this study, six ginsenoside Rg1-α-glucosides were found to be synthesized from the reaction mixture of maltose as a donor and ginsenoside Rg1 as a sugar acceptor in the presence of rat small intestinal homogenates, which exhibit high α-glucosidase activities. The individual compounds were purified and were identified by spectroscopy (HPLC-MS, (1)H-NMR, and (13)C-NMR) as 6-O-[α-D-glcp-(1→4)-β-D-glcp]-20-O-(β-D-glcp)-20(S)-protopanaxatriol, 6-O-β-D-glcp-20-O-[α-D-glcp-(1→6)-(β-D-glcp)]-20(S)-protopanaxatriol, 6-O-β-D-glcp-20-O-[α-D-glcp-(1→4)-(β-D-glcp)]-20(S)-protopanaxatriol, 6-O-[α-D-glcp-(1→6)-β-D-glcp]-20-O-(β-glcp)-20(S)-protopanaxatriol, 6-O-[α-D-glcp-(1→3)-β-D-glcp]-20-O-(β-D-glcp)-20(S)-protopanaxatriol, and 6-O-β-D-glcp-20-O-[α-D-glcp-(1→3)-(β-D-glcp)]-20(S)-protopanaxatriol. Among these six, 6-O-β-D-glcp-20-O-α-D-glcp-(1→6)-(β-D-glcp)-20(S)-protopanaxatriol and 6-O-α-D-glcp-(1→6)-β-D-glcp-20-O-(β-D-glcp)-20(S)-protopanaxatriol are considered to be novel compounds of alpha-ginsenosidal saponins which pharmacological activities should be further characterized. This is the first report on the enzymatic elaboration of ginsenoside Rg1 derivatives using rat intestinal homogenates. To the best of our knowledge, it is also the first to reveal the sixth and 20th positions of an unusual α-D-glucopyranosyl-(1→6)-β-D-glucopyranosyl sugar chain with 20(S)-protopanaxatriol saponins in Panax ginseng Mayer.
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Affiliation(s)
- Ramya Mathiyalagan
- Graduate School of Biotechnology and Ginseng Bank, College of Life Science, Kyung Hee University, Yongin, 446-701, Republic of Korea
| | - Young-Hoi Kim
- Department of Food Science and Biotechnology, Chonbuk National University, Iksan, 570-752, Republic of Korea
| | - Yeon Ju Kim
- Department of Oriental Medicinal Biotechnology, College of Life Science, Kyung Hee University, Yongin, 449-701, Republic of Korea.
| | - Myung-Kon Kim
- Department of Food Science and Biotechnology, Chonbuk National University, Iksan, 570-752, Republic of Korea
| | - Min-Ji Kim
- Department of Food Science and Biotechnology, Chonbuk National University, Iksan, 570-752, Republic of Korea
| | - Deok Chun Yang
- Graduate School of Biotechnology and Ginseng Bank, College of Life Science, Kyung Hee University, Yongin, 446-701, Republic of Korea.
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Wu C, Zhou X, Xu Y, Li H, Tian Y, Xu X, Jin Z. Characterization and mechanism of action of Microbacterium imperiale glucan 1,4-α-maltotriohydrolase. Carbohydr Res 2014; 384:46-50. [DOI: 10.1016/j.carres.2013.11.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 11/16/2013] [Accepted: 11/20/2013] [Indexed: 12/12/2022]
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22
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Liu C, Deng L, Zhang P, Zhang S, Xu T, Wang F, Tan T. Toward a cost-effective method for α-arbutin production by using immobilized hydroquinone as a glucosyl acceptor. Process Biochem 2013. [DOI: 10.1016/j.procbio.2013.03.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Efficient production of α-arbutin by whole-cell biocatalysis using immobilized hydroquinone as a glucosyl acceptor. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcatb.2013.01.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Ide K, Sato T, Aoi J, Do H, Kobayashi K, Honda Y, Kirimura K. l-Menthyl α-Maltoside as a Novel Low-molecular-weight Gelator. CHEM LETT 2013. [DOI: 10.1246/cl.130122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kohei Ide
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Toshiyuki Sato
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Jun Aoi
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Hiroyuki Do
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Keiichi Kobayashi
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Yuki Honda
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
| | - Kohtaro Kirimura
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University
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Feeding strategies for the enhanced production of α-arbutin in the fed-batch fermentation of Xanthomonas maltophilia BT-112. Bioprocess Biosyst Eng 2013; 37:325-9. [DOI: 10.1007/s00449-013-0980-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Accepted: 05/17/2013] [Indexed: 10/26/2022]
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26
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Liu CQ, Deng L, Zhang P, Zhang SR, Liu L, Xu T, Wang F, Tan TW. Screening of high α-arbutin producing strains and production of α-arbutin by fermentation. World J Microbiol Biotechnol 2013; 29:1391-8. [PMID: 23456857 DOI: 10.1007/s11274-013-1302-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2012] [Accepted: 02/21/2013] [Indexed: 11/26/2022]
Abstract
A mutant Xanthomonas maltophilia BT-112 with high α-anomer-selective glycosylation activity was screened by a series of mutation methods including UV light, N-methyl-N-nitro-N-nitroso-guanidine treatment and quick neutron mutation. The α-arbutin titer increased 15-folds compared with the parent strain. The optimal conditions for culture medium and the operational conditions for lab-scale fermenter were investigated. Under optimized conditions, the maximal hydroquinone (HQ) tolerance of cells and yield of α-arbutin were 120 mM and 30.6 g/l, respectively. The molar conversion yield of α-arbutin based on the amount of HQ supplied reached 93.6 %. The product was identified as α-arbutin by (13)C NMR and (1)H NMR analysis. In conclusion, the results in this work provide a one-step and cost-effective method for the large-scale production of α-arbutin.
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Affiliation(s)
- Chun-Qiao Liu
- Beijing Key Lab of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
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Isolation of α-arbutin from Xanthomonas CGMCC 1243 fermentation broth by macroporous resin adsorption chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 925:104-9. [PMID: 23542677 DOI: 10.1016/j.jchromb.2013.01.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 01/10/2013] [Accepted: 01/14/2013] [Indexed: 11/23/2022]
Abstract
α-Arbutin is a glycosylated hydroquinone which has inhibitory function against tyrosinase. In this work, a one-step isolation of α-arbutin from Xanthomonas CGMCC 1243 fermentation broth by macroporous resin adsorption chromatography was investigated. The research results indicated that S-8 resin offered the best adsorption and desorption capacities for α-arbutin than others and its equilibrium adsorption data were well-fitted to the Freundlich isotherm. In order to optimize the operating parameters for separating α-arbutin, dynamic adsorption and desorption tests on S-8 column chromatography were carried out. Under optimized conditions (adsorption volume of 7 bed volume (BV), mobile phase of 25% (v/v) ethanol solution and elution volume of 3 BV), the purity and recovery of α-arbutin were 97.3% (w/w) and 90.9% (w/w), respectively. The product was identified as α-arbutin by (13)C NMR and (1)H NMR analysis. Moreover, we scaled up S-8 column from laboratory test (10 cm × 2 cm ID) to large scale (500 cm × 100 cm ID) without diminishing α-arbutin yield. In conclusion, the results in this work provide a one-step and cost-effective method for large-scale production of α-arbutin.
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28
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Seo DH, Jung JH, Lee JE, Jeon EJ, Kim W, Park CS. Biotechnological production of arbutins (α- and β-arbutins), skin-lightening agents, and their derivatives. Appl Microbiol Biotechnol 2012; 95:1417-25. [PMID: 22843425 DOI: 10.1007/s00253-012-4297-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 07/10/2012] [Accepted: 07/11/2012] [Indexed: 01/19/2023]
Abstract
Arbutins (α- and β-arbutins) are glycosylated hydroquinones that are commercially used in the cosmetic industry. These compounds have an inhibitory function against tyrosinase, a critical enzyme for generating pigments, which leads to the prevention of melanin formation, resulting in a whitening effect on the skin. Although β-arbutin is found in various plants including bearberry, wheat, and pear, α-arbutin and other arbutin derivatives are synthesized by chemical and enzymatic methods. This article presents a mini-review of recent studies on the production of α-arbutin and other α- and β-arbutin derivatives via enzymatic bioconversion methods. In addition, the structures of α- and β-arbutin derivatives and their biological activities are discussed. The catalytic characteristics of various enzymes used in the biosynthesis of arbutin derivatives are also reviewed.
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Affiliation(s)
- Dong-Ho Seo
- Graduate School of Biotechnology, and Institute of Life Science and Resources, Kyung Hee University, Yongin 446-701, South Korea
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