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Siziya IN, Jung JH, Seo MJ, Lim MC, Seo DH. Whole-cell bioconversion using non-Leloir transglycosylation reactions: a review. Food Sci Biotechnol 2023; 32:749-768. [PMID: 37041815 PMCID: PMC10082888 DOI: 10.1007/s10068-023-01283-4] [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: 11/29/2022] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
Microbial biocatalysts are evolving technological tools for glycosylation research in food, feed and pharmaceuticals. Advances in bioengineered Leloir and non-Leloir carbohydrate-active enzymes allow for whole-cell biocatalysts to curtail production costs of purified enzymes while enhancing glucan synthesis through continued enzyme expression. Unlike sugar nucleotide-dependent Leloir glycosyltransferases, non-Leloir enzymes require inexpensive sugar donors and can be designed to match the high value, yield and selectivity of the former. This review addresses the current state of bacterial cell-based production of glucans and glycoconjugates via transglycosylation, and describes how alterations made to microbial hosts to surpass purified enzymes as the preferred mode of catalysis are steadily being acquired through genetic engineering, rational design and process optimization. A comprehensive exploration of relevant literature has been summarized to describe whole-cell biocatalysis in non-Leloir glycosylation reactions with various donors and acceptors, and the characterization, application and latest developments in the optimization of their use.
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Affiliation(s)
- Inonge Noni Siziya
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju, 54896 Republic of Korea
- Division of Bioengineering, Incheon National University, Incheon, 22012 Republic of Korea
| | - Jong-Hyun Jung
- Research Division for Biotechnology, Korea Atomic Energy Research Institute, Jeongeup, 56212 Republic of Korea
| | - Myung-Ji Seo
- Division of Bioengineering, Incheon National University, Incheon, 22012 Republic of Korea
| | - Min-Cheol Lim
- Research Group of Consumer Safety, Korea Food Research Institute (KFRI), Jeollabuk-do, 55365 Korea
| | - Dong-Ho Seo
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju, 54896 Republic of Korea
- Department of Food Science and Biotechnology, Graduate School of Biotechnology and Institute of Life Science and Resources, Kyung Hee University, Yongin, 17104 Republic of Korea
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2
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Tian Y, Xu W, Guang C, Zhang W, Mu W. Glycosylation of flavonoids by sucrose- and starch-utilizing glycoside hydrolases: A practical approach to enhance glycodiversification. Crit Rev Food Sci Nutr 2023:1-18. [PMID: 36876518 DOI: 10.1080/10408398.2023.2185201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Flavonoids are ubiquitous and diverse in plants and inseparable from the human diet. However, in terms of human health, their further research and application in functional food and pharmaceutical industries are hindered by their low water solubility. Therefore, flavonoid glycosylation has recently attracted research attention because it can modulate the physicochemical and biochemical properties of flavonoids. This review represents a comprehensive overview of the O-glycosylation of flavonoids catalyzed by sucrose- and starch-utilizing glycoside hydrolases (GHs). The characteristics of this feasible biosynthesis approach are systematically summarized, including catalytic mechanism, specificity, reaction conditions, and yields of the enzymatic reaction, as well as the physicochemical properties and bioactivities of the product flavonoid glycosides. The cheap glycosyl donor substrates and high yields undoubtedly make it a practical flavonoid modification approach to enhance glycodiversification.
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Affiliation(s)
- Yuqing Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Cuie Guang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
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3
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Characterization of the (Engineered) Branching Sucrase GtfZ-CD2 from Apilactobacillus kunkeei for Efficient Glucosylation of Benzenediol Compounds. Appl Environ Microbiol 2022; 88:e0103122. [PMID: 35924943 PMCID: PMC9397098 DOI: 10.1128/aem.01031-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Branching sucrases, a subfamily of Glycoside Hydrolase family (GH70), display transglycosidase activity using sucrose as donor substrate to catalyze glucosylation reaction in the presence of suitable acceptor substrates. In this study, the (α1→3) branching sucrase GtfZ-CD2 from Apilactobacillus kunkeei DSM 12361 was demonstrated to glucosylate benzenediol compounds (i.e., catechol, resorcinol, and hydroquinone) to form monoglucoside and diglucoside products. The production and yield of catechol glucosylated products were significantly higher than that of resorcinol and hydroquinone, revealing a preference for adjacent aromatic hydroxyl groups in glucosylation. Amino residues around acceptor substrate binding subsite +1 were targeted for semirational mutagenesis, yielding GtfZ-CD2 variants with improved resorcinol and hydroquinone glucosylation. Mutant L1560Y with improved hydroquinone mono-glucosylated product synthesis allowed enzymatic conversion of hydroquinone into α-arbutin. This study thus revealed the high potential of GH70 branching sucrases for glucosylating noncarbohydrate molecules. IMPORTANCE Glycosylation represents one of the most important ways to expand the diversity of natural products and improve their physico-chemical properties. Aromatic polyphenol compounds widely found in plants are reported to exhibit various remarkable biological activities; however, they generally suffer from low solubility and stability, which can be improved by glycosylation. Our present study on the glucosylation of benzenediol compounds by GH70 branching sucrase GtfZ-CD2 and its semirational engineering to improve the glucosylation efficiency provides insight into the mechanism of acceptor substrates binding and its glucosylation selectivity. The results demonstrate the potential of using branching sucrase as an effective enzymatic glucosylation tool.
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Enzymatic Synthesis of Novel and Highly Soluble Puerarin Glucoside by Deinococcus geothermalis Amylosucrase. Molecules 2022; 27:molecules27134074. [PMID: 35807322 PMCID: PMC9268652 DOI: 10.3390/molecules27134074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/16/2022] [Accepted: 06/22/2022] [Indexed: 02/03/2023] Open
Abstract
Puerarin (daidzein-8-C-glucoside) is an isoflavone isolated from several leguminous plants of the genus Pueraria. Puerarin possesses several pharmacological properties; however, the poor solubility of puerarin limits its applications. To resolve this poor solubility, Deinococcus geothermalis amylosucrase (DgAS) was used to modify puerarin into more soluble derivatives. The results showed that DgAS could biotransform puerarin into a novel compound: puerarin-4′-O-α-glucoside. The biotransformation reaction was manipulated at different temperatures, pH values, sucrose concentrations, reaction times, and enzyme concentrations. The results showed that the optimal reaction condition was biotransformed by 200 μg/mL DgAS with 20% (w/v) sucrose at pH 6 and incubated at 40 °C for 48 h, and the optimal production yield was 35.1%. Puerarin-4′-O-α-glucoside showed 129-fold higher solubility than that of puerarin and, thus, could be further applied for pharmacological use in the future.
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Li X, Meng X, de Leeuw TC, Te Poele EM, Pijning T, Dijkhuizen L, Liu W. Enzymatic glucosylation of polyphenols using glucansucrases and branching sucrases of glycoside hydrolase family 70. Crit Rev Food Sci Nutr 2021:1-21. [PMID: 34907830 DOI: 10.1080/10408398.2021.2016598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Polyphenols exhibit various beneficial biological activities and represent very promising candidates as active compounds for food industry. However, the low solubility, poor stability and low bioavailability of polyphenols have severely limited their industrial applications. Enzymatic glycosylation is an effective way to improve the physicochemical properties of polyphenols. As efficient transglucosidases, glycoside hydrolase family 70 (GH70) glucansucrases naturally catalyze the synthesis of polysaccharides and oligosaccharides from sucrose. Notably, GH70 glucansucrases show broad acceptor substrate promiscuity and catalyze the glucosylation of a wide range of non-carbohydrate hydroxyl group-containing molecules, including benzenediol, phenolic acids, flavonoids and steviol glycosides. Branching sucrase enzymes, a newly established subfamily of GH70, are shown to possess a broader acceptor substrate binding pocket that acts efficiently for glucosylation of larger size polyphenols such as flavonoids. Here we present a comprehensive review of glucosylation of polyphenols using GH70 glucansucrase and branching sucrases. Their catalytic efficiency, the regioselectivity of glucosylation and the structure of generated products are described for these reactions. Moreover, enzyme engineering is effective for improving their catalytic efficiency and product specificity. The combined information provides novel insights on the glucosylation of polyphenols by GH70 glucansucrases and branching sucrases, and may promote their applications.
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Affiliation(s)
- Xiaodan Li
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, People's Republic of China
| | - Xiangfeng Meng
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China
| | | | | | - Tjaard Pijning
- Biomolecular X-ray Crystallography, University of Groningen, Groningen, The Netherlands
| | | | - Weifeng Liu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China
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Xu Y, Zhao L, Chen L, Du Y, Lu Y, Luo C, Chen Y, Wu X. Selective enzymatic α-1,6- monoglucosylation of mogroside IIIE for the bio-creation of α-siamenoside I, a potential high-intensity sweetener. Food Chem 2021; 359:129938. [PMID: 33984594 DOI: 10.1016/j.foodchem.2021.129938] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 12/24/2022]
Abstract
A new compound, α-siamenoside I (α-SI), with a glucose unit selectively bound to the 6-hydroxyl group of the 24-O-β-glucosyl moiety of mogroside IIIE by α-1,6-glucosidic bond, was bio-created by two screened cyclodextrin glycosyltransferases with a maximum yield of 59.3%. Compared to mogroside IIIE, α-SI showed a significantly increased sweetness intensity (508 times sweeter than 5% sucrose), which is superior to siamenoside I (SI), the sweetest triterpenoid saponin isolated from Siraitia grosvenorii to date. Sensory evaluation showed that the taste quality of α-SI also was obviously better than mogroside IIIE. In addition to α-SI possessing a good stability similar to that of SI, it also did not cause a significant decrease in cell viability at a concentration of 200 μg/mL and had a negative influence on islets function at 1 μM. All of these preliminarily results pave the way for promoting α-SI as a potential low-calorie sweetener.
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Affiliation(s)
- Yuncong Xu
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Ling Zhao
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Ling Chen
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Yali Du
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Yuanyuan Lu
- Department of Marine Pharmacy, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Chen Luo
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Yijun Chen
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China.
| | - Xuri Wu
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China.
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7
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Ahmad N, Xu K, Wang JN, Li C. Novel catalytic glycosylation of Glycyrrhetinic acid by UDP-glycosyltransferases from Bacillus subtilis. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2020.107723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Zhao L, Wang Y, Li Z, Wang X, Chen Y, Wu X. Enzymatic Monoglucosylation of Rubusoside and the Structure-Sweetness/Taste Relationship of Monoglucosyl Derivatives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8702-8709. [PMID: 32686405 DOI: 10.1021/acs.jafc.0c03236] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Monoglucosylation of rubusoside not only could increase its structural diversity but may also improve its taste. To biosynthesize the monoglucosyl rubusosides, a series of glycosyltransferases and glycosynthases were screened to identify the enzymes capable of specifically glycosylating the hydroxyl groups of the 13-O-β-d-glucosyl and 19-COO-β-d-glucosyl moieties. After structural characterization, the effect of structure on sweetness and taste was established based on these rubusoside-derived analogues, including two first characterized compounds. β-Monoglucosylation of two 2-hydroxyl groups, as well as α-monoglucosylations of the 4- and 6-hydroxyl groups of the 13-glucosyl moiety, could significantly increase the relative sweetness of rubusoside to 140 while maintaining or improving the taste quality. In contrast, monoglucosylations of other hydroxyl groups in our study usually decreased the taste quality of the rubusoside. Additionally, the possibility of a negative influence of these monoglucosylated derivatives on the function of islets was preliminarily excluded, which should facilitate the development of rubusoside-derived sweeteners.
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Affiliation(s)
- Ling Zhao
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Yao Wang
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Zhenlin Li
- Department of Pharmaceutical Analysis and Metabolomics, Jiangsu Province Academy of Traditional Chinese Medicine, 100 Shizi St. Hongshan Rd. Nanjing, Jiangsu Province 210028, PR China
| | - Xiaonan Wang
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Yijun Chen
- Laboratory of Chemical Biology, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
| | - Xuri Wu
- Department of Biochemistry, College of Life Sciences and Technology, China Pharmaceutical University, 639 Longmian Road, Nanjing, Jiangsu Province 211198, PR China
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Gao Y, Zhang L, Feng X, Liu X, Guo F, Lv B, Li C. Galactosylation of Monosaccharide Derivatives of Glycyrrhetinic Acid by UDP-Glycosyltransferase GmSGT2 from Glycine max. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8580-8588. [PMID: 32689796 DOI: 10.1021/acs.jafc.0c03842] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Glycyrrhetinic acid (GA), a pentacyclic triterpenoid aglycone, is the major functional component in licorice which mainly exists in the form of functional glycosides in licorice. The introduction of a sugar moiety to the C-3 OH of GA to yield glycosylated derivatives has been reported, but the late-stage glycosylation of GA-3-O-sugar to form rare GA glycosides with more complexed glycosyl decoration has been rarely reported. In this study, a unique UDP-galactosyltransferase GmSGT2 from Glycine max was found to transfer a galactose to the C2 position of the sugar moiety of GA-3-O-monoglucuronide (GAMG) and GA-3-O-monoglucose. In addition to UDP-galactose, GmSGT2 also recognizes UDP-glucose, UDP-xylose, and UDP-arabinose with relative activities of 32.1-89.2%. Based on a test of 12 typical natural products, GmSGT2 showed high specificity toward the pentacyclic triterpenoid skeleton as the sugar acceptor. Molecular docking was performed to elucidate the substrate recognition mechanism of GmSGT2 toward GAMG.
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Affiliation(s)
- Yanan Gao
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
- School of Life Science, Beijing Institute of Technology, Beijing 100081, China
| | - Liang Zhang
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Xudong Feng
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Xiaofei Liu
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Fang Guo
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Bo Lv
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Chun Li
- Institute for Synthetic Biosystem/Department of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
- Key Lab for Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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Nolte J, Kempa A, Hochgürtel M, Schörken U. Glucansucrases from lactic acid bacteria as biocatalysts for multi-ring catechol glucosylation. BIOCATAL BIOTRANSFOR 2020. [DOI: 10.1080/10242422.2020.1784882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Johannes Nolte
- Faculty of Applied Natural Sciences, TH Köln – Campus Leverkusen, Leverkusen, Germany
- Vetter Pharma-Fertigung GmbH & Co. KG, Ravensburg, Germany
| | - Alexander Kempa
- Faculty of Applied Natural Sciences, TH Köln – Campus Leverkusen, Leverkusen, Germany
- R&R Extrakte GmbH, Köln, Germany
| | - Matthias Hochgürtel
- Faculty of Applied Natural Sciences, TH Köln – Campus Leverkusen, Leverkusen, Germany
| | - Ulrich Schörken
- Faculty of Applied Natural Sciences, TH Köln – Campus Leverkusen, Leverkusen, Germany
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Seo DH, Yoo SH, Choi SJ, Kim YR, Park CS. Versatile biotechnological applications of amylosucrase, a novel glucosyltransferase. Food Sci Biotechnol 2020; 29:1-16. [PMID: 31976122 PMCID: PMC6949346 DOI: 10.1007/s10068-019-00686-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/05/2019] [Accepted: 09/16/2019] [Indexed: 12/21/2022] Open
Abstract
Amylosucrase (AS; EC 2.4.1.4) is an enzyme that has great potential in the biotechnology and food industries, due to its multifunctional enzyme activities. It can synthesize α-1,4-glucans, like amylose, from sucrose as a sole substrate, but importantly, it can also utilize various other molecules as acceptors. In addition, AS produces sucrose isomers such as turanose and trehalulose. It also efficiently synthesizes modified starch with increased ratios of slow digestive starch and resistant starch, and glucosylated functional compounds with increased water solubility and stability. Furthermore, AS produces turnaose more efficiently than other carbohydrate-active enzymes. Amylose synthesized by AS forms microparticles and these can be utilized as biocompatible materials with various bio-applications, including drug delivery, chromatography, and bioanalytical sciences. This review not only compares the gene and enzyme characteristics of microbial AS, studied to date, but also focuses on the applications of AS in the biotechnology and food industries.
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Affiliation(s)
- Dong-Ho Seo
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju, 54896 Republic of Korea
| | - Sang-Ho Yoo
- Department of Food Science and Biotechnology, and Carbohydrate Bioproduct Research Center, Sejong University, Seoul, 05006 Republic of Korea
| | - Seung-Jun Choi
- Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul, 01811 Republic of Korea
| | - Young-Rok Kim
- Graduate School of Biotechnology and Institute of Life Science and Resources, Kyung Hee University, Yongin, 17104 Republic of Korea
| | - Cheon-Seok Park
- Graduate School of Biotechnology and Institute of Life Science and Resources, Kyung Hee University, Yongin, 17104 Republic of Korea
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12
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Tian Y, Xu W, Zhang W, Zhang T, Guang C, Mu W. Amylosucrase as a transglucosylation tool: From molecular features to bioengineering applications. Biotechnol Adv 2018; 36:1540-1552. [PMID: 29935268 DOI: 10.1016/j.biotechadv.2018.06.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 06/10/2018] [Accepted: 06/15/2018] [Indexed: 02/04/2023]
Abstract
Amylosucrase (EC 2.4.1.4, ASase), an outstanding sucrose-utilizing transglucosylase in the glycoside hydrolase family 13, can produce glucans with only α-1,4 linkages. Generally, on account of a double-displacement mechanism, ASase can catalyze polymerization, isomerization, and hydrolysis reactions with sucrose as the sole substrate, and has transglycosylation capacity to attach glucose molecules from sucrose to extra glycosyl acceptors. Based on extensive enzymology research, this review presents the characteristics of various ASases, including their microbial metabolism, preparation, and enzymatic properties, and exhibits structure-based strategies in the improvement of activity, specificity, and thermostability. As a vital transglucosylation tool of producing sugars, carbohydrate-based bioactive compounds, and materials, the bioengineering applications of ASases are also systematically summarized.
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Affiliation(s)
- Yuqing Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Tao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Cuie Guang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China.
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13
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Zhang H, Chen Z, Zhou X, He J, Wang T, Luo X, Wang L, Wang R. Anti-digestion properties of amylosucrase modified waxy corn starch. Int J Biol Macromol 2018; 109:383-388. [DOI: 10.1016/j.ijbiomac.2017.12.106] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 11/22/2017] [Accepted: 12/19/2017] [Indexed: 10/18/2022]
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14
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Liu X, Zhang L, Feng X, Lv B, Li C. Biosynthesis of Glycyrrhetinic Acid-3-O-monoglucose Using Glycosyltransferase UGT73C11 from Barbarea vulgaris. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03391] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xiaochen Liu
- Institute for Biotransformation and
Synthetic Biosystem, Department of Biological Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Liang Zhang
- Institute for Biotransformation and
Synthetic Biosystem, Department of Biological Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Xudong Feng
- Institute for Biotransformation and
Synthetic Biosystem, Department of Biological Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Bo Lv
- Institute for Biotransformation and
Synthetic Biosystem, Department of Biological Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
| | - Chun Li
- Institute for Biotransformation and
Synthetic Biosystem, Department of Biological Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China
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