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Dai Y, Ge Z, Wang Z, Wang Z, Xu W, Wang D, Dong M, Xia X. Effects of water-soluble and water-insoluble α-glucans produced in situ by Leuconostoc citreum SH12 on physicochemical properties of fermented soymilk and their structural analysis. Int J Biol Macromol 2024; 267:131306. [PMID: 38574904 DOI: 10.1016/j.ijbiomac.2024.131306] [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: 01/16/2024] [Revised: 03/20/2024] [Accepted: 03/30/2024] [Indexed: 04/06/2024]
Abstract
This study investigated the effect of in situ produced water-soluble α-glucan (LcWSG) and water-insoluble α-glucan (LcWIG) from Leuconostoc citreum SH12 on the physicochemical properties of fermented soymilk. α-Glucans produced by Leuc. citreum SH12 improved water-holding capacity, viscosity, viscoelasticity and texture of fermented soymilk. Gtf1365 and Gtf836 of the five putative glucansucrases were responsible for synthesizing LcWSG and LcWIG during soymilk fermentation, respectively. Co-fermentation of soymilk with Gtf1365 and Gtf836 and non-exopolysaccharide-producing Lactiplantibacillus plantarum D1031 indicated that LcWSG effectively hindered the whey separation of fermented soymilk by increasing viscosity, while LcWIG improved hardness, springiness and accelerated protein coagulation. Fermented soymilk gel formation was mainly based on hydrogen bonding and hydrophobic interactions, which were promoted by both LcWSG and LcWIG. LcWIG has a greater effect on α-helix to β-sheet translation in fermented soymilk, causing more rapid protein aggregation and thicker cross-linked gel network. Structure-based exploration of LcWSG and LcWIG from Leuc. citreum SH12 revealed their distinct roles in the physicochemical properties of fermented soymilk due to their different ratio of α-1,6 and α-1,3 glucosidic linkages and various side chain length. This study may guide the application of the water-soluble and water-insoluble α-glucans in fermented plant protein foods for their quality improvement.
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Affiliation(s)
- Yiqiang Dai
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Institute of Agro-Product Processing, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Zhiwen Ge
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhe Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Institute of Agro-Product Processing, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Zhongjiang Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Weimin Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Institute of Agro-Product Processing, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Daoying Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Institute of Agro-Product Processing, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Xiudong Xia
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Institute of Agro-Product Processing, Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
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2
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Cifuente JO, Colleoni C, Kalscheuer R, Guerin ME. Architecture, Function, Regulation, and Evolution of α-Glucans Metabolic Enzymes in Prokaryotes. Chem Rev 2024; 124:4863-4934. [PMID: 38606812 PMCID: PMC11046441 DOI: 10.1021/acs.chemrev.3c00811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Bacteria have acquired sophisticated mechanisms for assembling and disassembling polysaccharides of different chemistry. α-d-Glucose homopolysaccharides, so-called α-glucans, are the most widespread polymers in nature being key components of microorganisms. Glycogen functions as an intracellular energy storage while some bacteria also produce extracellular assorted α-glucans. The classical bacterial glycogen metabolic pathway comprises the action of ADP-glucose pyrophosphorylase and glycogen synthase, whereas extracellular α-glucans are mostly related to peripheral enzymes dependent on sucrose. An alternative pathway of glycogen biosynthesis, operating via a maltose 1-phosphate polymerizing enzyme, displays an essential wiring with the trehalose metabolism to interconvert disaccharides into polysaccharides. Furthermore, some bacteria show a connection of intracellular glycogen metabolism with the genesis of extracellular capsular α-glucans, revealing a relationship between the storage and structural function of these compounds. Altogether, the current picture shows that bacteria have evolved an intricate α-glucan metabolism that ultimately relies on the evolution of a specific enzymatic machinery. The structural landscape of these enzymes exposes a limited number of core catalytic folds handling many different chemical reactions. In this Review, we present a rationale to explain how the chemical diversity of α-glucans emerged from these systems, highlighting the underlying structural evolution of the enzymes driving α-glucan bacterial metabolism.
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Affiliation(s)
- Javier O. Cifuente
- Instituto
Biofisika (UPV/EHU, CSIC), University of
the Basque Country, E-48940 Leioa, Spain
| | - Christophe Colleoni
- University
of Lille, CNRS, UMR8576-UGSF -Unité de Glycobiologie Structurale
et Fonctionnelle, F-59000 Lille, France
| | - Rainer Kalscheuer
- Institute
of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Dusseldorf, Germany
| | - Marcelo E. Guerin
- Structural
Glycobiology Laboratory, Department of Structural and Molecular Biology, Molecular Biology Institute of Barcelona (IBMB), Spanish
National Research Council (CSIC), Barcelona Science Park, c/Baldiri Reixac 4-8, Tower R, 08028 Barcelona, Catalonia, Spain
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3
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Rahman SSA, Pasupathi S, Karuppiah S. Conventional optimization and characterization of microbial dextran using treated sugarcane molasses. Int J Biol Macromol 2022; 220:775-787. [PMID: 35987362 DOI: 10.1016/j.ijbiomac.2022.08.094] [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: 07/08/2022] [Revised: 08/12/2022] [Accepted: 08/12/2022] [Indexed: 11/30/2022]
Abstract
This study focuses the comparison on yield of microbial dextran using treated sugarcane molasses (SCM) as a feed stock from different treatment methods. The suitable method for treatment of SCM was identified on the basis of microbial dextran production. The different factors namely the concentrations of total sugars, nitrogen sources, inoculum size, shaking speed, initial medium pH, and phosphate sources influencing the production of microbial dextran were studied. The maximum yield of dextran was obtained to be 17.18 ± 0.08 g L-1 using the conventional optimization. The structural analysis of produced dextran from SCM with various treatment techniques was compared using Fourier-transform infra-red analysis and nuclear magnetic resonance spectroscopy. Later, the rheological behavior of produced microbial dextran was examined and found to be a non-Newtonian. To the best of our knowledge, the comparison on the production of microbial dextran through fermentation using SCM with various treatment strategies has not been performed yet.
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Affiliation(s)
- Sameeha Syed Abdul Rahman
- Bioprocess Engineering Laboratory, Centre for Bioenergy, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, 613401, Tamil Nadu, India
| | - Saroja Pasupathi
- Bioprocess Engineering Laboratory, Centre for Bioenergy, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, 613401, Tamil Nadu, India
| | - Sugumaran Karuppiah
- Bioprocess Engineering Laboratory, Centre for Bioenergy, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, 613401, Tamil Nadu, India.
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4
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Variability of Bacterial Homopolysaccharide Production and Properties during Food Processing. BIOLOGY 2022; 11:biology11020171. [PMID: 35205038 PMCID: PMC8869377 DOI: 10.3390/biology11020171] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/22/2021] [Accepted: 01/18/2022] [Indexed: 02/05/2023]
Abstract
Various homopolysaccharides (HoPSs) can be produced by bacteria: α- and β-glucans, β-fructans and α-galactans, which are polymers of glucose, fructose and galactose, respectively. The synthesis of these compounds is catalyzed by glycosyltransferases (glycansucrases), which are able to transfer the monosaccharides in a specific substrate to the medium, which results in the growth of polysaccharide chains. The range of HoPS sizes is very large, from 104 to 109 Da, and mostly depends on the carbon source in the medium and the catalyzing enzyme. However, factors such as nitrogen nutrients, pH, water activity, temperature and duration of bacterial culture also impact the size and yield of production. The sequence of the enzyme influences the structure of the HoPS, by modulating the type of linkage between monomers, both for the linear chain and for the ramifications. HoPSs' size and structure have an effect on rheological properties of some foods by their influence on viscosity index. As a consequence, the control of structural and environmental factors opens ways to guide the production of specific HoPS in foods by bacteria, either by in situ or ex situ production, but requires a better knowledge of HoPS production conditions.
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Pan L, Wang Q, Qu L, Liang L, Han Y, Wang X, Zhou Z. Pilot-scale production of exopolysaccharide from Leuconostoc pseudomesenteroides XG5 and its application in set yogurt. J Dairy Sci 2022; 105:1072-1083. [PMID: 34998545 DOI: 10.3168/jds.2021-20997] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 10/17/2021] [Indexed: 12/14/2022]
Abstract
Exopolysaccharide from Leuconostoc pseudomesenteroides XG5 (XG5 EPS) is a linear dextran that is built by glucose units via α-1,6 glycosidic bond. The primary objective of this study was to investigate the yield of XG5 EPS and its application in set yogurt. In laboratory scale, the culture conditions of XG5 EPS production were optimized using the L9 (33) orthogonal test. Here, the optimized yield of XG5 EPS was 26.02 g/L under the conditions of 100 g/L sucrose, initial pH 7.0, 25°C incubation, and 100 rpm for 36 h in a shaking flask. Based on the optimized parameters of laboratory scale, a pilot fed-batch fermentation was performed in a 50-L bioreactor with an adjusted agitation speed of 20 rpm. The XG5 EPS yield reached 40.07 g/L in fed-batch fermentation, which was 54% higher than that achieved in laboratory scale. In addition, XG5 EPS was added into set yogurt to investigate its effect on the stability of set yogurt. Our data demonstrated that the XG5 EPS improved the water-holding capacity, texture profile, and viscosity of set yogurt during cold storage compared with the controls. In particular, addition of 0.5% XG5 EPS increased the structure of 3-dimensional network of set yogurt, which eventually improved the physical stability of the set yogurt. Overall, this study provided new insights for exploring the pilot scale production and application of dextran.
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Affiliation(s)
- Lei Pan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Qi Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Liangfan Qu
- Tianjin Research Institute of Industrial Microbiology Co., Ltd., Tianjin 300462, China
| | - Lu Liang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Ye Han
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Xianghe Wang
- Tianjin Research Institute of Industrial Microbiology Co., Ltd., Tianjin 300462, China; Tianjin SF-Bio Industrial Bio-Tec Co., Ltd., Tianjin 300462, China.
| | - Zhijiang Zhou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
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6
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Xue N, Svensson B, Bai Y. Structure, function and enzymatic synthesis of glucosaccharides assembled mainly by α1 → 6 linkages - A review. Carbohydr Polym 2022; 275:118705. [PMID: 34742430 DOI: 10.1016/j.carbpol.2021.118705] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 11/02/2022]
Abstract
A variety of glucosaccharides composed of glucosyl residues can be classified into α- and β-type and have wide application in food and medicine areas. Among these glucosaccharides, β-type, such as cellulose and α-type, such as starch and starch derivatives, both contain 1 → 4 linkages and are well studied. Notably, in past decades also α1 → 6 glucosaccharides obtained increasing attention for unique physiochemical and biological properties. Especially in recent years, α1 → 6 glucosaccharides of different molecular weight distribution have been created and proved to be functional. However, compared to β- type and α1 → 4 glucosaccharides, only few articles provide a systematic overview of α1 → 6 glucosaccharides. This motivated, the present first comprehensive review on structure, function and synthesis of these α1 → 6 glucosaccharides, aiming both at improving understanding of traditional α1 → 6 glucosaccharides, such as isomaltose, isomaltooligosaccharides and dextrans, and to draw the attention to newly explored α1 → 6 glucosaccharides and their derivatives, such as cycloisomaltooligosaccharides, isomaltomegalosaccharides, and isomalto/malto-polysaccharides.
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Affiliation(s)
- Naixiang Xue
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Birte Svensson
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China; Department of Biotechnology and Biomedicine, Enzyme and Protein Chemistry, Technical University of Denmark, Denmark
| | - Yuxiang Bai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, China.
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7
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Chen Z, Ni D, Cheng M, Zhu Y, Mu W. Comparative study of physicochemical properties of dextran and reuteran synthesised by two glucansucrases that are highly similar in amino acid sequence. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ziwei Chen
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi, Jiangsu 214122 China
| | - Dawei Ni
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi, Jiangsu 214122 China
| | - Mei Cheng
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi, Jiangsu 214122 China
| | - Yingying Zhu
- 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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8
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Dimopoulou M, Dols-Lafargue M. Exopolysaccharides Producing Lactic Acid Bacteria in Wine and Other Fermented Beverages: For Better or for Worse? Foods 2021; 10:2204. [PMID: 34574312 PMCID: PMC8466591 DOI: 10.3390/foods10092204] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/12/2021] [Accepted: 09/15/2021] [Indexed: 11/21/2022] Open
Abstract
Lactic acid bacteria (LAB) from fermented beverages such as wine, cider and beer produce a wide range of exopolysaccharides (EPS) through multiple biosynthetic pathways. These extracellular polysaccharides constitute key elements for bacterial species adaptation to such anthropic processes. In the food industry, LAB polysaccharides have been widely studied for their rheological, functional and nutritional properties; however, these have been poorly studied in wine, beer and cider until recently. In this review, we have gathered the information available on these specific polysaccharide structure and, biosynthetic pathways, as well as the physiology of their production. The genes associated with EPS synthesis are also presented and compared. Finally, the possible role of EPS for bacterial survival and spread, as well as the risks or possible benefits for the winemaker and the wine lover, are discussed.
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Affiliation(s)
- Maria Dimopoulou
- Department of Wine, Vine and Beverage Sciences, School of Food Science, University of West Attica, Ag. Spyridonos str, Egaleo, 12243 Athens, Greece;
| | - Marguerite Dols-Lafargue
- Unité de Recherche Œnologie EA 4577, University of Bordeaux, ISVV, USC 1366 INRA, Bordeaux INP, F-33140 Villenave d’Ornon, France
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9
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Heath RS, Ruscoe RE, Turner NJ. The beauty of biocatalysis: sustainable synthesis of ingredients in cosmetics. Nat Prod Rep 2021; 39:335-388. [PMID: 34879125 DOI: 10.1039/d1np00027f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Covering: 2015 up to July 2021The market for cosmetics is consumer driven and the desire for green, sustainable and natural ingredients is increasing. The use of isolated enzymes and whole-cell organisms to synthesise these products is congruent with these values, especially when combined with the use of renewable, recyclable or waste feedstocks. The literature of biocatalysis for the synthesis of ingredients in cosmetics in the past five years is herein reviewed.
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Affiliation(s)
- Rachel S Heath
- Manchester Institute of Biotechnology, Department of Chemistry, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
| | - Rebecca E Ruscoe
- Manchester Institute of Biotechnology, Department of Chemistry, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
| | - Nicholas J Turner
- Manchester Institute of Biotechnology, Department of Chemistry, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
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10
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Bueno RS, Ressutte JB, Hata NN, Henrique-Bana FC, Guergoletto KB, de Oliveira AG, Spinosa WA. Quality and shelf life assessment of a new beverage produced from water kefir grains and red pitaya. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110770] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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11
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Chen Z, Ni D, Zhang W, Stressler T, Mu W. Lactic acid bacteria-derived α-glucans: From enzymatic synthesis to miscellaneous applications. Biotechnol Adv 2021; 47:107708. [PMID: 33549610 DOI: 10.1016/j.biotechadv.2021.107708] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 12/21/2020] [Accepted: 01/29/2021] [Indexed: 10/22/2022]
Abstract
Lactic acid bacteria (LAB) are capable of producing a variety of exopolysaccharide α-glucans, such as dextran, mutan, reuteran, and alternan. Their structural diversity allows LAB-derived α-glucans to hold vast commercial value and application potential in the food, cosmetic, medical, and biotechnology fields, garnering much attention in recent years. Glycoside Hydrolase 70 family (GH70) enzymes are efficient tools for the biosynthesis of α-glucans with various sizes, linkage compositions, and degrees of branching, using renewable and low-cost sucrose and starch as substrates. To date, plenty of various LAB-derived GH70 glucansucrases (especially dextransucrase) have been biochemically characterized to synthesize α-glucans from sucrose with a variety of structural organizations. This review mainly aimed at the biotechnological synthesis of α-glucans using GH70 family enzymes and their diverse (potential) applications. The purification, structural analysis and physicochemical properties of α-glucan polysaccharides were reviewed in detail. Synchronously, some new insights and future perspectives of LAB-derived α-glucans enzymatic synthesis and applications were also discussed. To expand the range of applications, the physicochemical properties and bioactivities of LAB-derived α-glucans, other than dextran, should be further explored. Additionally, screening novel GH70 subfamily starch-acting enzymes is conducive to expanding the repertoire of α-glucans.
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Affiliation(s)
- Ziwei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Dawei Ni
- 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
| | - Timo Stressler
- Independend Researcher, 64546 Mörfelden-Walldorf, Germany
| | - 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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12
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Zhao L, Ma Z, Yin J, Shi G, Ding Z. Biological strategies for oligo/polysaccharide synthesis: biocatalyst and microbial cell factory. Carbohydr Polym 2021; 258:117695. [PMID: 33593568 DOI: 10.1016/j.carbpol.2021.117695] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/20/2021] [Accepted: 01/20/2021] [Indexed: 12/21/2022]
Abstract
Oligosaccharides and polysaccharides constitute the principal components of carbohydrates, which are important biomacromolecules that demonstrate considerable bioactivities. However, the variety and structural complexity of oligo/polysaccharides represent a major challenge for biological and structural explorations. To access structurally defined oligo/polysaccharides, biological strategies using glycoenzyme biocatalysts have shown remarkable synthetic potential attributed to their regioselectivity and stereoselectivity that allow mild, structurally controlled reaction without addition of protecting groups necessary in chemical strategies. This review summarizes recent biotechnological approaches of oligo/polysaccharide synthesis, which mainly includes in vitro enzymatic synthesis and cell factory synthesis. We have discussed the important factors involved in the production of nucleotide sugars. Furthermore, the strategies established in the cell factory and enzymatic syntheses are summarized, and we have highlighted concepts like metabolic flux rebuilding and regulation, enzyme engineering, and route design as important strategies. The research challenges and prospects are also outlined and discussed.
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Affiliation(s)
- Liting Zhao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, 214122, China.
| | - Zhongbao Ma
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, 214122, China.
| | - Jian Yin
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China.
| | - Guiyang Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, 214122, China.
| | - Zhongyang Ding
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi, 214122, China.
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13
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Wu S, Snajdrova R, Moore JC, Baldenius K, Bornscheuer UT. Biocatalysis: Enzymatic Synthesis for Industrial Applications. Angew Chem Int Ed Engl 2021; 60:88-119. [PMID: 32558088 PMCID: PMC7818486 DOI: 10.1002/anie.202006648] [Citation(s) in RCA: 539] [Impact Index Per Article: 179.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Indexed: 12/12/2022]
Abstract
Biocatalysis has found numerous applications in various fields as an alternative to chemical catalysis. The use of enzymes in organic synthesis, especially to make chiral compounds for pharmaceuticals as well for the flavors and fragrance industry, are the most prominent examples. In addition, biocatalysts are used on a large scale to make specialty and even bulk chemicals. This review intends to give illustrative examples in this field with a special focus on scalable chemical production using enzymes. It also discusses the opportunities and limitations of enzymatic syntheses using distinct examples and provides an outlook on emerging enzyme classes.
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Affiliation(s)
- Shuke Wu
- Institute of BiochemistryDept. of Biotechnology & Enzyme CatalysisGreifswald UniversityFelix-Hausdorff-Strasse 417487GreifswaldGermany
| | - Radka Snajdrova
- Novartis Institutes for BioMedical ResearchGlobal Discovery Chemistry4056BaselSwitzerland
| | - Jeffrey C. Moore
- Process Research and DevelopmentMerck & Co., Inc.126 E. Lincoln AveRahwayNJ07065USA
| | - Kai Baldenius
- Baldenius Biotech ConsultingHafenstr. 3168159MannheimGermany
| | - Uwe T. Bornscheuer
- Institute of BiochemistryDept. of Biotechnology & Enzyme CatalysisGreifswald UniversityFelix-Hausdorff-Strasse 417487GreifswaldGermany
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14
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Schmid J, Wefers D, Vogel RF, Jakob F. Analysis of Structural and Functional Differences of Glucans Produced by the Natively Released Dextransucrase of Liquorilactobacillus hordei TMW 1.1822. Appl Biochem Biotechnol 2021; 193:96-110. [PMID: 32820351 PMCID: PMC7790797 DOI: 10.1007/s12010-020-03407-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/12/2020] [Indexed: 11/26/2022]
Abstract
The properties of the glucopolymer dextran are versatile and linked to its molecular size, structure, branching, and secondary structure. However, suited strategies to control and exploit the variable structures of dextrans are scarce. The aim of this study was to delineate structural and functional differences of dextrans, which were produced in buffers at different conditions using the native dextransucrase released by Liquorilactobacillus (L.) hordei TMW 1.1822. Rheological measurements revealed that dextran produced at pH 4.0 (MW = 1.1 * 108 Da) exhibited the properties of a viscoelastic fluid up to concentrations of 10% (w/v). By contrast, dextran produced at pH 5.5 (MW = 1.86 * 108 Da) was gel-forming already at 7.5% (w/v). As both dextrans exhibited comparable molecular structures, the molecular weight primarily influenced their rheological properties. The addition of maltose to the production assays caused the formation of the trisaccharide panose instead of dextran. Moreover, pre-cultures of L. hordei TMW 1.1822 grown without sucrose were substantial for recovery of higher dextran yields, since the cells stored the constitutively expressed dextransucrase intracellularly, until sucrose became available. These findings can be exploited for the controlled recovery of functionally diverse dextrans and oligosaccharides by the use of one dextransucrase type.
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Affiliation(s)
- Jonas Schmid
- Chair of Technical Microbiology, Technical University of Munich (TUM), Freising, Germany
| | - Daniel Wefers
- Division of Food Chemistry, Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, Halle (Saale), Germany
- Department of Food Chemistry and Phytochemistry, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Rudi F Vogel
- Chair of Technical Microbiology, Technical University of Munich (TUM), Freising, Germany
| | - Frank Jakob
- Chair of Technical Microbiology, Technical University of Munich (TUM), Freising, Germany.
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15
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Li X, Wang X, Meng X, Dijkhuizen L, Liu W. Structures, physico-chemical properties, production and (potential) applications of sucrose-derived α-d-glucans synthesized by glucansucrases. Carbohydr Polym 2020; 249:116818. [DOI: 10.1016/j.carbpol.2020.116818] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 10/23/2022]
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16
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Wu S, Snajdrova R, Moore JC, Baldenius K, Bornscheuer UT. Biokatalyse: Enzymatische Synthese für industrielle Anwendungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006648] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shuke Wu
- Institut für Biochemie Abt. Biotechnologie & Enzymkatalyse Universität Greifswald Felix-Hausdorff-Straße 4 17487 Greifswald Deutschland
| | - Radka Snajdrova
- Novartis Institutes for BioMedical Research Global Discovery Chemistry 4056 Basel Schweiz
| | - Jeffrey C. Moore
- Process Research and Development Merck & Co., Inc. 126 E. Lincoln Ave Rahway NJ 07065 USA
| | - Kai Baldenius
- Baldenius Biotech Consulting Hafenstraße 31 68159 Mannheim Deutschland
| | - Uwe T. Bornscheuer
- Institut für Biochemie Abt. Biotechnologie & Enzymkatalyse Universität Greifswald Felix-Hausdorff-Straße 4 17487 Greifswald Deutschland
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17
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Claverie M, Cioci G, Vuillemin M, Bondy P, Remaud-Simeon M, Moulis C. Processivity of dextransucrases synthesizing very-high-molar-mass dextran is mediated by sugar-binding pockets in domain V. J Biol Chem 2020; 295:5602-5613. [PMID: 32161118 PMCID: PMC7186162 DOI: 10.1074/jbc.ra119.011995] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/30/2020] [Indexed: 11/06/2022] Open
Abstract
The dextransucrase DSR-OK from the Gram-positive bacterium Oenococcus kitaharae DSM17330 produces a dextran of the highest molar mass reported to date (∼109 g/mol). In this study, we selected a recombinant form, DSR-OKΔ1, to identify molecular determinants involved in the sugar polymerization mechanism and that confer its ability to produce a very-high-molar-mass polymer. In domain V of DSR-OK, we identified seven putative sugar-binding pockets characteristic of glycoside hydrolase 70 (GH70) glucansucrases that are known to be involved in glucan binding. We investigated their role in polymer synthesis through several approaches, including monitoring of dextran synthesis, affinity assays, sugar binding pocket deletions, site-directed mutagenesis, and construction of chimeric enzymes. Substitution of only two stacking aromatic residues in two consecutive sugar-binding pockets (variant DSR-OKΔ1-Y1162A-F1228A) induced quasi-complete loss of very-high-molar-mass dextran synthesis, resulting in production of only 10-13 kg/mol polymers. Moreover, the double mutation completely switched the semiprocessive mode of DSR-OKΔ1 toward a distributive one, highlighting the strong influence of these pockets on enzyme processivity. Finally, the position of each pocket relative to the active site also appeared to be important for polymer elongation. We propose that sugar-binding pockets spatially closer to the catalytic domain play a major role in the control of processivity. A deep structural characterization, if possible with large-molar-mass sugar ligands, would allow confirming this hypothesis.
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Affiliation(s)
- Marion Claverie
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France
| | - Gianluca Cioci
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France
| | - Marlène Vuillemin
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France
| | - Pauline Bondy
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France
| | - Magali Remaud-Simeon
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France
| | - Claire Moulis
- Toulouse Biotechnology Institute, Université de Toulouse, CNRS, INRA, INSA, 31077 Toulouse, France.
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18
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Chen Z, Tian Y, Zhang W, Guang C, Meng X, Mu W. Novel Dextransucrase Gtf-DSM, Highly Similar in Sequence to Reuteransucrase GtfO, Displays Unique Product Specificity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:12806-12815. [PMID: 31650841 DOI: 10.1021/acs.jafc.9b04252] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lactic acid bacteria are known to produce extracellular polysaccharides such as α-glucan, levan, and inulin, which are promising for applications in food systems because of their prebiotic properties. In this work, a novel glucansucrase (GS) Gtf-DSM from Lactobacillus ingluviei DSM 14792 was recombinantly expressed and biochemically characterized as a dextransucrase capable of producing a dextran polysaccharide with four types of linkages, including 69% (α1 → 6), 24% (α1 → 3), 6% (α1 → 4), and 1% (α1 → 2). Intriguingly, the dextransucrase Gtf-DSM had a sequence identity of 99.3% with the reuteransucrase GtfO producing a reuteran with 21% (α1 → 6) and 79% (α1 → 4) linkages. Thus, the dextransucrase Gtf-DSM is a unique target for understanding the linkage specificity of GSs and the investigation of site-directed mutagenesis using Gtf-DSM and GtfO as templates is underway.
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Affiliation(s)
| | | | | | | | - Xiangfeng Meng
- State Key Laboratory of Microbial Technology , Shandong University , Qingdao , Shandong 266237 , China
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19
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Hundschell CS, Wagemans AM. Rheology of common uncharged exopolysaccharides for food applications. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2019.02.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Llamas-Arriba MG, Puertas AI, Prieto A, López P, Cobos M, Miranda JI, Marieta C, Ruas-Madiedo P, Dueñas MT. Characterization of dextrans produced by Lactobacillus mali CUPV271 and Leuconostoc carnosum CUPV411. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.053] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Yu Y, Wu J, Xu Y, Xiao G, Zou B. The effect of litchi juice on exopolysaccharide production in milk fermented by
Lactobacillus casei. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.13884] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yuanshan Yu
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Jijun Wu
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Yujuan Xu
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Gengsheng Xiao
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Bo Zou
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture/Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
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