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Lee YG, Jo HY, Lee DH, Yoon JW, Song YH, Kweon DH, Kim KH, Park YC, Seo JH. De novo biosynthesis of 2'-fucosyllactose by bioengineered Corynebacterium glutamicum. Biotechnol J 2024; 19:e2300461. [PMID: 37968827 DOI: 10.1002/biot.202300461] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/27/2023] [Accepted: 11/12/2023] [Indexed: 11/17/2023]
Abstract
2'-Fucosyllactose (2'-FL) which is well-known human milk oligosaccharide was biotechnologically synthesized using engineered Corynebacterium glutamicum, a GRAS microbial workhorse. By construction of the complete de novo pathway for GDP-L-fucose supply and heterologous expression of Escherichia coli lactose permease and Helicobacter pylori α-1,2-fucosyltransferase, bioengineered C. glutamicum BCGW_TL successfully biosynthesized 0.25 g L-1 2'-FL from glucose. The additional genetic perturbations including the expression of a putative 2'-FL exporter and disruption of the chromosomal pfkA gene allowed C. glutamicum BCGW_cTTLEΔP to produce 2.5 g L-1 2'-FL batchwise. Finally, optimized fed-batch cultivation of the BCGW_cTTLEΔP using glucose, fructose, and lactose resulted in 21.5 g L-1 2'-FL production with a productivity of 0.12 g L-1 •h, which were more than 3.3 times higher value relative to the batch culture of the BCGW_TL. Conclusively, it would be a groundwork to adopt C. glutamicum for biotechnological production of other food additives including human milk oligosaccharides.
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Affiliation(s)
- Ye-Gi Lee
- Department of Bio and Fermentation Convergence Technology and Center for Bioconvergence, Kookmin University, Seoul, South Korea
- Department of Agricultural Biotechnology and Center for Food Bioconvergence, Seoul National University, Seoul, South Korea
| | - Hae-Yong Jo
- Department of Agricultural Biotechnology and Center for Food Bioconvergence, Seoul National University, Seoul, South Korea
| | - Do-Haeng Lee
- Department of Agricultural Biotechnology and Center for Food Bioconvergence, Seoul National University, Seoul, South Korea
| | - Jong-Won Yoon
- Advanced Protein Technologies Corp. Yeongtong-gu, Suwon, Gyeonggi, South Korea
| | - Young-Ha Song
- Advanced Protein Technologies Corp. Yeongtong-gu, Suwon, Gyeonggi, South Korea
| | - Dae-Hyuk Kweon
- Department of Integrative Biotechnology, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon, South Korea
| | - Kyoung Heon Kim
- Department of Biotechnology, Graduate School, Korea University, Seoul, South Korea
| | - Yong-Cheol Park
- Department of Bio and Fermentation Convergence Technology and Center for Bioconvergence, Kookmin University, Seoul, South Korea
| | - Jin-Ho Seo
- Department of Agricultural Biotechnology and Center for Food Bioconvergence, Seoul National University, Seoul, South Korea
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2
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Li C, Li M, Hu M, Zhang T. Metabolic Engineering of De Novo Pathway for the Production of 2'-Fucosyllactose in Escherichia coli. Mol Biotechnol 2023; 65:1485-1497. [PMID: 36652181 DOI: 10.1007/s12033-023-00657-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 01/05/2023] [Indexed: 01/19/2023]
Abstract
2'-Fucosyllactose (2'-FL), one of the most abundant oligosaccharides in human milk, has gained increased attention owing to its nutraceutical and pharmaceutical potential. However, limited availability and high-cost of preparation have limited its widespread application and in-depth investigation of its potential functions. Here, a modular pathway engineering was implemented to construct an Escherichia coli strain to improve the biosynthesis titer of 2'-FL. Before overexpression of manB, manC, gmd, wcaG, and heterologous expression of futC, genes wcaJ and lacZ encoding UDP-glucose lipid carrier transferase and β-galactosidase, respectively, were inactivated from E. coli BL21 (DE3) with the CRISPR-Cas9 system, which inhibited the production of 2'-FL. The results showed that final shake flask culture yielded a 3.8-fold increase in 2'-FL (0.98 g/L) from the engineered strain ELC07. Fed-batch fermentation conditions were optimized in a 3-L bioreactor. The highest titer of 2'-FL (18.22 g/L) was obtained, corresponding to a yield of 0.25 g/g glycerol and a substrate conversion of 0.88 g/g lactose.
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Affiliation(s)
- Chenchen Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Mengli Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Miaomiao Hu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China
| | - Tao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, Jiangsu, China.
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, Jiangsu, China.
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3
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Ma SY, Amoah OJ, Nguyen HT, Sohng JK. Glucosylation of Isoeugenol and Monoterpenes in Corynebacterium glutamicum by YdhE from Bacillus lichenformis. Molecules 2023; 28:molecules28093789. [PMID: 37175199 PMCID: PMC10180135 DOI: 10.3390/molecules28093789] [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: 03/24/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
Corynebacterium glutamicum has been regarded as a food-grade microorganism. In recent years, the research to improve the activities of beneficial therapeutics and pharmaceutical substances has resulted in the engineering of the therapeutically favorable cell factory system of C. glutamicum. In this study, we successfully glucosylated isoeugenol and other monoterpene derivatives in C. glutamicum using a promiscuous YdhE, which is a glycosyltransferase from Bacillus lichenformis. For efficient glucosylation, cultivation conditions such as the production time, substrate concentration, carbon source, and culture medium were optimized. Our system successfully converted about 93% of the isoeugenol to glucosylated compounds in the culture. The glucoside compounds were then purified, analyzed, and identified as isoeugenol-1-O-β-d-glucoside and isoeugenol-1-O-β-d-(2″-acetyl)-glucoside.
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Affiliation(s)
- Su Yeong Ma
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Republic of Korea
| | - Obed Jackson Amoah
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Republic of Korea
| | - Hue Thi Nguyen
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Republic of Korea
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Republic of Korea
- Department of Pharmaceutical Engineering and Biotechnology, Sun Moon University, 70 Sun Moon-ro 221, Tangjeong-myeon, Asan-si 31460, Republic of Korea
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Liu Y, Zhu Y, Wang H, Wan L, Zhang W, Mu W. Strategies for Enhancing Microbial Production of 2'-Fucosyllactose, the Most Abundant Human Milk Oligosaccharide. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11481-11499. [PMID: 36094047 DOI: 10.1021/acs.jafc.2c04539] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Human milk oligosaccharides (HMOs), a group of structurally diverse unconjugated glycans in breast milk, act as important prebiotics and have plenty of unique health effects for growing infants. 2'-Fucosyllactose (2'-FL) is the most abundant HMO, accounting for approximately 30%, among approximately 200 identified HMOs with different structures. 2'-FL can be enzymatically produced by α1,2-fucosyltransferase, using GDP-l-fucose as donor and lactose as acceptor. Metabolic engineering strategies have been widely used for enhancement of GDP-l-fucose supply and microbial production of 2'-FL with high productivity. GDP-l-fucose supply can be enhanced by two main pathways, including de novo and salvage pathways. 2'-FL-producing α1,2-fucosyltransferases have widely been identified from various microorganisms. Metabolic pathways for 2'-FL synthesis can be basically constructed by enhancing GDP-l-fucose supply and introducing α1,2-fucosyltransferase. Various strategies have been attempted to enhance 2'-FL production, such as acceptor enhancement, donor enhancement, and improvement of the functional expression of α1,2-fucosyltransferase. In this review, current progress in GDP-l-fucose synthesis and bacterial α1,2-fucosyltransferases is described in detail, various metabolic engineering strategies for enhancing 2'-FL production are comprehensively reviewed, and future research focuses in biotechnological production of 2'-FL are suggested.
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Affiliation(s)
- Yuanlin Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Yingying Zhu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Hao Wang
- Bloomage Biotechnology Corp., Ltd., Jinan, Shandong 250010, People's Republic of China
| | - Li Wan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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Hu M, Li M, Li C, Zhang T. Biosynthesis of Lacto-N-fucopentaose I in Escherichia coli by metabolic pathway rational design. Carbohydr Polym 2022; 297:120017. [DOI: 10.1016/j.carbpol.2022.120017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/15/2022] [Accepted: 08/19/2022] [Indexed: 11/02/2022]
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He X, Wu F, Wang L, Li L, Zhang G. Integrated application of transcriptomics and metabolomics provides insights into condition index difference mechanisms in the Pacific oyster (Crassostrea gigas). Genomics 2022; 114:110413. [PMID: 35716821 DOI: 10.1016/j.ygeno.2022.110413] [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: 12/22/2021] [Revised: 05/04/2022] [Accepted: 06/12/2022] [Indexed: 11/25/2022]
Abstract
The condition index (CI) is an economically important tool for assessing the quality of oysters, such as the Pacific oyster Crassostrea gigas. However, little is known about the mechanisms that underlie differences in CI between different C. gigas populations. In this study, we integrated transcriptomic and metabolomic profiling to investigate the mechanisms that underlie the differences between high- and low-CI groups in one- and two-year-old populations of C. gigas. The results indicate that differences in CI were associated with the regulation of growth-related genes, the FoxO signaling pathway, and the complex regulation of carbohydrate, lipid, amino acid, and energy metabolism. Moreover, the mechanisms underlying these differences differed between the populations. This study is the first to elucidate the molecular and chemical mechanisms associated with CI, and the results will be helpful for breeding higher quality oysters.
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Affiliation(s)
- Xin He
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; University of Chinese Academy of Sciences, Beijing 100039, China; The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan 430072, China
| | - Fucun Wu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao 266071, China; The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan 430072, China.
| | - Luping Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Li Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao 266071, China
| | - Guofan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China; National and Local Joint Engineering Laboratory of Ecological Mariculture, Qingdao 266071, China
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7
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Amoah OJ, Nguyen HT, Sohng JK. N-Glucosylation in Corynebacterium glutamicum with YdhE from Bacillus lichenformis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27113405. [PMID: 35684346 PMCID: PMC9182490 DOI: 10.3390/molecules27113405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 11/23/2022]
Abstract
Corynebacterium glutamicum is traditionally known as a food-grade microorganism due to its high ability to produce amino acids and its endotoxin-free recombinant protein expression factory. In recent years, studies to improve the activities of useful therapeutics and pharmaceutical compounds have led to the engineering of the therapeutically advantageous C. glutamicum cell factory system. One of the well-studied ways to improve the activities of useful compounds is glucosylation with glycosyltransferases. In this study, we successfully and efficiently glycosylated therapeutic butyl-4-aminobenzoate and other N-linked compounds in C. glutamicum using a promiscuous YdhE, which is a glycosyltransferase from Bacillus lichenformis. For efficient glucosylation, components, such as promoter, codons sequence, expression temperatures, and substrate and glucose concentrations were optimized. With glucose as the sole carbon source, we achieved a conversion rate of almost 96% of the glycosylated products in the culture medium. The glycosylated product of high concentration was successfully purified by a simple purification method, and subjected to further analysis. This is a report of the in vivo cultivation and glucosylation of N-linked compounds in C. glutamicum.
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Affiliation(s)
- Obed Jackson Amoah
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea; (O.J.A.); (H.T.N.)
| | - Hue Thi Nguyen
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea; (O.J.A.); (H.T.N.)
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea; (O.J.A.); (H.T.N.)
- Department of Pharmaceutical Engineering and Biotechnology, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si 31460, Chungnam, Korea
- Correspondence: ; Tel.: +82-(41)-530-2246; Fax: +82-(41)-530-8229
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8
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Li M, Li C, Hu M, Zhang T. Metabolic engineering strategies of de novo pathway for enhancing 2'-fucosyllactose synthesis in Escherichia coli. Microb Biotechnol 2021; 15:1561-1573. [PMID: 34843640 PMCID: PMC9049618 DOI: 10.1111/1751-7915.13977] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/09/2021] [Accepted: 11/14/2021] [Indexed: 11/28/2022] Open
Abstract
2′‐Fucosyllactose (2′‐FL), one of the most abundant human milk oligosaccharides (HMOs), is used as a promising infant formula ingredient owing to its multiple health benefits for newborns. However, limited availability and high‐cost preparation have restricted its extensive use and intensive research on its potential functions. In this work, a powerful Escherichia coli cell factory was developed to ulteriorly increase 2′‐FL production. Initially, a modular pathway engineering was strengthened to balance the synthesis pathway through different plasmid combinations with a resulting maximum 2′‐FL titre of 1.45 g l−1. To further facilitate the metabolic flux from GDP‐l‐fucose towards 2′‐FL, the CRISPR‐Cas9 system was utilized to inactivate the genes including lacZ and wcaJ, increasing the titre by 6.59‐fold. Notably, the co‐introduction of NADPH and GTP regeneration pathways was confirmed to be more conducive to 2′‐FL formation, achieving a 2′‐FL titre of 2.24 g l−1. Moreover, comparisons of various exogenous α1,2‐fucosyltransferase candidates revealed that futC from Helicobacter pylori generated the highest titre of 2′‐FL. Finally, the viability of scaled‐up production of 2′‐FL was evidenced in a 3 l bioreactor with a maximum titre of 22.3 g l−1 2′‐FL and a yield of 0.53 mole 2′‐FL mole−1 lactose.
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Affiliation(s)
- Mengli Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Chenchen Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Miaomiao Hu
- 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.,International Joint Laboratory on Food Science and Safety, Jiangnan University, Wuxi, Jiangsu, 214122, China
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Gauttam R, Desiderato CK, Radoš D, Link H, Seibold GM, Eikmanns BJ. Metabolic Engineering of Corynebacterium glutamicum for Production of UDP-N-Acetylglucosamine. Front Bioeng Biotechnol 2021; 9:748510. [PMID: 34631687 PMCID: PMC8495162 DOI: 10.3389/fbioe.2021.748510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 09/13/2021] [Indexed: 11/13/2022] Open
Abstract
Uridine diphosphate-N-acetylglucosamine (UDP-GlcNAc) is an acetylated amino sugar nucleotide that naturally serves as precursor in bacterial cell wall synthesis and is involved in prokaryotic and eukaryotic glycosylation reactions. UDP-GlcNAc finds application in various fields including the production of oligosaccharides and glycoproteins with therapeutic benefits. At present, nucleotide sugars are produced either chemically or in vitro by enzyme cascades. However, chemical synthesis is complex and non-economical, and in vitro synthesis requires costly substrates and often purified enzymes. A promising alternative is the microbial production of nucleotide sugars from cheap substrates. In this study, we aimed to engineer the non-pathogenic, Gram-positive soil bacterium Corynebacterium glutamicum as a host for UDP-GlcNAc production. The native glmS, glmU, and glmM genes and glmM of Escherichia coli, encoding the enzymes for UDP-GlcNAc synthesis from fructose-6-phosphate, were over-expressed in different combinations and from different plasmids in C. glutamicum GRS43, which lacks the glucosamine-6-phosphate deaminase gene (nagB) for glucosamine degradation. Over-expression of glmS, glmU and glmM, encoding glucosamine-6-phosphate synthase, the bifunctional glucosamine-1-phosphate acetyltransferase/N-acetyl glucosamine-1-phosphate uridyltransferase and phosphoglucosamine mutase, respectively, was confirmed using activity assays or immunoblot analysis. While the reference strain C. glutamicum GlcNCg1 with an empty plasmid in the exponential growth phase contained intracellularly only about 0.25 mM UDP-GlcNAc, the best engineered strain GlcNCg4 accumulated about 14 mM UDP-GlcNAc. The extracellular UDP-GlcNAc concentrations in the exponential growth phase did not exceed 2 mg/L. In the stationary phase, about 60 mg UDP-GlcNAc/L was observed extracellularly with strain GlcNCg4, indicating the potential of C. glutamicum to produce and to release the activated sugar into the culture medium. To our knowledge, the observed UDP-GlcNAc levels are the highest obtained with microbial hosts, emphasizing the potential of C. glutamicum as a suitable platform for activated sugar production.
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Affiliation(s)
- Rahul Gauttam
- Institute of Microbiology and Biotechnology, University of Ulm, Ulm, Germany
| | | | - Dušica Radoš
- Max Planck Institute for Terrestrial Microbiology, Marburg, Germany
| | - Hannes Link
- Max Planck Institute for Terrestrial Microbiology, Marburg, Germany
| | - Gerd M. Seibold
- Institute of Microbiology and Biotechnology, University of Ulm, Ulm, Germany
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Schwentner A, Neugebauer H, Weinmann S, Santos H, Eikmanns BJ. Exploring the Potential of Corynebacterium glutamicum to Produce the Compatible Solute Mannosylglycerate. Front Bioeng Biotechnol 2021; 9:748155. [PMID: 34621731 PMCID: PMC8490865 DOI: 10.3389/fbioe.2021.748155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 08/26/2021] [Indexed: 11/13/2022] Open
Abstract
The compatible solute mannosylglycerate (MG) has exceptional properties in terms of protein stabilization and protection under salt, heat, and freeze-drying stresses as well as against protein aggregation. Due to these characteristics, MG possesses large potential for clinical and biotechnological applications. To achieve efficient MG production, Corynebacterium glutamicum was equipped with a bifunctional MG synthase (encoded by mgsD and catalyzing the condensation of 3-phosphoglycerate and GDP-mannose to MG) from Dehalococcoides mccartyi. The resulting strain C. glutamicum (pEKEx3 mgsD) intracellularly accumulated about 111 mM MG (60 ± 9 mg gCDW -1) with 2% glucose as a carbon source. To enable efficient mannose metabolization, the native manA gene, encoding mannose 6-phosphate isomerase, was overexpressed. Combined overexpression of manA and mgsD from two plasmids in C. glutamicum resulted in intracellular MG accumulation of up to ca. 329 mM [corresponding to 177 mg g cell dry weight (CDW) -1] with glucose, 314 mM (168 mg gCDW -1) with glucose plus mannose, and 328 mM (176 mg gCDW -1) with mannose as carbon source(s), respectively. The product was successfully extracted from cells by using a cold water shock, resulting in up to 5.5 mM MG (1.48 g L-1) in supernatants. The two-plasmid system was improved by integrating the mgsD gene into the manA-bearing plasmid and the resulting strain showed comparable production but faster growth. Repeated cycles of growth/production and extraction of MG in a bacterial milking-like experiment showed that cells could be recycled, which led to a cumulative MG production of 19.9 mM (5.34 g L-1). The results show that the newly constructed C. glutamicum strain produces MG from glucose and mannose and that a cold water shock enables extraction of MG from the cytosol into the medium.
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Affiliation(s)
- Andreas Schwentner
- Institute of Microbiology and Biotechnology, Ulm University, Ulm, Germany
| | - Heiko Neugebauer
- Institute of Microbiology and Biotechnology, Ulm University, Ulm, Germany
| | - Serin Weinmann
- Institute of Microbiology and Biotechnology, Ulm University, Ulm, Germany
| | - Helena Santos
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
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11
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Becker J, Wittmann C. Metabolic Engineering of
Corynebacterium glutamicum. Metab Eng 2021. [DOI: 10.1002/9783527823468.ch12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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12
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Li W, Zhu Y, Wan L, Guang C, Mu W. Pathway Optimization of 2'-Fucosyllactose Production in Engineered Escherichia coli. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1567-1577. [PMID: 33499605 DOI: 10.1021/acs.jafc.0c07224] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
2'-Fucosyllactose (2'-FL), one of the most valuable oligosaccharides in human milk, is used as an emerging food ingredient in the nutraceutical and food industries due to its numerous health benefits. Herein, the de novo and salvage pathways for GDP-fucose synthesis were engineered and optimized in Escherichia coli BL21 (DE3) to improve the production of 2'-FL. The de novo pathway genes encoding phosphomannomutase (ManB), mannose-1-phosphate guanyltransferase (ManC), GDP-d-mannose-4,6-dehydratase (Gmd), and GDP-l-fucose synthase (WcaG) combined with the gene from the salvage pathway encoding fucose kinase/fucose-1-phosphate guanylyltransferase (Fkp) were reconstructed in two vectors to evaluate the GDP-fucose biosynthesis. Then, the fucT2 gene, encoding α1,2-fucosyltransferase, was introduced into the GDP-fucose-overproducing strains to realize 2'-FL biosynthesis. Furthermore, the genes in bypass pathways, including lacZ, fucI, fucK, and wcaJ, were inactivated to improve 2'-FL production. In addition, the two GDP-fucose synthesis pathways, along with fucT2, were transcriptionally fine-tuned to efficiently increase 2'-FL production. The final metabolically engineered E. coli produced 2.62 and 14.1 g/L in shake-flask and fed-batch cultivations, respectively.
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Affiliation(s)
- Wen Li
- 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
| | - Li Wan
- 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 214122, China
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13
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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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14
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Dynamic Co-Cultivation Process of Corynebacterium glutamicum Strains for the Fermentative Production of Riboflavin. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7010011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Residual streams from lignocellulosic processes contain sugar mixtures of glucose, xylose, and mannose. Here, the industrial workhorse Corynebacterium glutamicum was explored as a research platform for the rational utilization of a multiple sugar substrate. The endogenous manA gene was overexpressed to enhance mannose utilization. The overexpression of the xylA gene from Xanthomonas campestris in combination with the endogenous xylB gene enabled xylose consumption by C. glutamicum. Furthermore, riboflavin production was triggered by overexpressing the sigH gene from C. glutamicum. The resulting strains were studied during batch fermentations in flasks and 2 L lab-scale bioreactors separately using glucose, mannose, xylose, and a mixture of these three sugars as a carbon source. The production of riboflavin and consumption of sugars were improved during fed-batch fermentation thanks to a dynamic inoculation strategy of manA overexpressing strain and xylAB overexpressing strain. The final riboflavin titer, yield, and volumetric productivity from the sugar mixture were 27 mg L−1, 0.52 mg g−1, and 0.25 mg L−1 h−1, respectively. It reached a 56% higher volumetric productivity with 45% less by-product formation compared with an equivalent process inoculated with a single strain overexpressing the genes xylAB and manA combined. The results indicate the advantages of dynamic multi strains processes for the conversion of sugar mixtures.
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15
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Liao Y, Ni Z, Wu J, Li Z, Ge Y, Chen X, Yao J. Effect of acetate metabolism modulation on 2'-fucosyllactose production in engineered Escherichia coli. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2021.1885996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Yingxue Liao
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Scinece Island Branch, Graduate School of USTC, Hefei, PR China
| | - Zhijian Ni
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Scinece Island Branch, Graduate School of USTC, Hefei, PR China
| | - Jinyong Wu
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Huainan New Energy Research Center, Institute of Plasma Physics, Chinese Academy of Sciences, Huainan, Anhui, PR China
| | - Zhongkui Li
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Scinece Island Branch, Graduate School of USTC, Hefei, PR China
| | - Yuanfei Ge
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Scinece Island Branch, Graduate School of USTC, Hefei, PR China
| | - Xiangsong Chen
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Huainan New Energy Research Center, Institute of Plasma Physics, Chinese Academy of Sciences, Huainan, Anhui, PR China
| | - Jianming Yao
- Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, PR China
- Scinece Island Branch, Graduate School of USTC, Hefei, PR China
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16
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Tian C, Yang J, Li Y, Zhang T, Li J, Ren C, Men Y, Chen P, You C, Sun Y, Ma Y. Artificially designed routes for the conversion of starch to value-added mannosyl compounds through coupling in vitro and in vivo metabolic engineering strategies. Metab Eng 2020; 61:215-224. [PMID: 32623008 DOI: 10.1016/j.ymben.2020.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 06/09/2020] [Accepted: 06/21/2020] [Indexed: 02/08/2023]
Abstract
Starch/cellulose has become the major feedstock for manufacturing biofuels and biochemicals because of their abundance and sustainability. In this study, we presented an artificially designed "starch-mannose-fermentation" biotransformation process through coupling the advantages of in vivo and in vitro metabolic engineering strategies together. Starch was initially converted into mannose via an in vitro metabolic engineering biosystem, and then mannose was fermented by engineered microorganisms for biomanufacturing valuable mannosyl compounds. The in vitro metabolic engineering biosystem based on phosphorylation/dephosphorylation reactions was thermodynamically favorable and the conversion rate reached 81%. The mannose production using whole-cell biocatalysts reached 75.4 g/L in a 30-L reactor, indicating the potential industrial application. Furthermore, the produced mannose in the reactor was directly served as feedstock for the fermentation process to bottom-up produced 19.2 g/L mannosyl-oligosaccharides (MOS) and 7.2 g/L mannosylglycerate (MG) using recombinant Corynebacterium glutamicum strains. Notably, such a mannose fermentation process facilitated the synthesis of MOS, which has not been achieved under glucose fermentation and improved MG production by 2.6-fold than that using the same C-mole of glucose. This approach also allowed access to produce other kinds of mannosyl derivatives from starch.
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Affiliation(s)
- Chaoyu Tian
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Jiangang Yang
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yunjie Li
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Tong Zhang
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Jiao Li
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Chenxi Ren
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Yan Men
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Peng Chen
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Chun You
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yuanxia Sun
- University of Chinese Academy of Sciences, Beijing, 100049, China; National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
| | - Yanhe Ma
- National Engineering Laboratory for Industrial Enzymes, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
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Wan L, Zhu Y, Li W, Zhang W, Mu W. Combinatorial Modular Pathway Engineering for Guanosine 5'-Diphosphate-l-fucose Production in Recombinant Escherichia coli. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5668-5675. [PMID: 32336091 DOI: 10.1021/acs.jafc.0c01064] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Guanosine 5'-diphosphate (GDP)-l-fucose is an important nucleotide sugar involved in the synthesis of fucosylated oligosaccharides, such as fucosylated human milk oligosaccharides, which play important roles in physiological and pathological processes. Here, a combinatorial modular pathway engineering strategy was implemented to efficiently increase the intracellular titers of GDP-l-fucose in engineered Escherichia coli. The de novo GDP-l-fucose synthesis pathway was partitioned into two modules and fine-tuned at both transcriptional and translational levels, which remarkably improved the GDP-l-fucose production. In addition, the gene encoding the UDP-glucose lipid carrier transferase (WcaJ) was inactivated to eliminate the competing metabolite pathway from GDP-l-fucose to colanic acid. Furthermore, cofactors were regenerated to promote biocatalysis. Taken together, the final engineered strain EWL37, which could achieve a titer of 18.33 mg/L in shake-flask cultivation, showed 106.21 mg/L intracellular GDP-l-fucose accumulation and a DCW-specific GDP-l-fucose content of 4.28 mg/g through fed-batch cultivation. In general, this study demonstrated that the utilization of combinatorial modular pathway engineering significantly improved the de novo synthesis of GDP-l-fucose in engineered E. coli.
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Affiliation(s)
- Li Wan
- 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
| | - Wen Li
- 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
| | - 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 214122, China
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18
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Multi-enzyme systems and recombinant cells for synthesis of valuable saccharides: Advances and perspectives. Biotechnol Adv 2019; 37:107406. [DOI: 10.1016/j.biotechadv.2019.06.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/30/2019] [Accepted: 06/08/2019] [Indexed: 02/07/2023]
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19
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Wang W, Zhang F, Wen Y, Hu Y, Yuan Y, Wei M, Zhou Y. Cell-free enzymatic synthesis of GDP-L-fucose from mannose. AMB Express 2019; 9:74. [PMID: 31134391 PMCID: PMC6536560 DOI: 10.1186/s13568-019-0798-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 05/16/2019] [Indexed: 01/06/2023] Open
Abstract
GDP-L-fucose, the key substrate for fucosyloligosaccharide biosynthesis, has been synthesized via a de novo pathway in bacteria. In the present study, genes for GDP-L-fucose biosynthesis were cloned into the expression vector pET-28a (+) to construct five E. coli strains, with recombinant enzymes being purified by using Ni-NTA chromatography. Following optimization of the 3-step reaction, Glk, ManB and ManC were added to the reaction mixture, after which Gmd and WcaG were added to overcome feedback inhibition from the end-product to produce GDP-L-fucose at 178.6 mg/l, with a yield of 14.1%. Our studies provide the basis for using cell-free enzyme production of GDP-L-fucose.
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20
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Lee MJ, Kim P. Recombinant Protein Expression System in Corynebacterium glutamicum and Its Application. Front Microbiol 2018; 9:2523. [PMID: 30416490 PMCID: PMC6213972 DOI: 10.3389/fmicb.2018.02523] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 10/03/2018] [Indexed: 01/01/2023] Open
Abstract
Corynebacterium glutamicum, a soil-derived gram-positive actinobacterium, has been widely used for the production of biochemical molecules such as amino acids (i.e., L-glutamate and L-lysine), nucleic acids, alcohols, and organic acids. The metabolism of the bacterium has been engineered to increase the production of the target biochemical molecule, which requires a cytosolic enzyme expression. As recent demand for new proteinaceous biologics (such as antibodies, growth factors, and hormones) increase, C. glutamicum is attracting industrial interest as a recombinant protein expression host for therapeutic protein production due to the advantages such as low protease activity without endotoxin activity. In this review, we have summarized the recent studies on the heterologous expression of the recombinant protein in C. glutamicum for metabolic engineering, expansion of substrate availability, and recombinant protein secretion. We have also outlined the advances in genetic components such as promoters, surface anchoring systems, and secretory signal sequences in C. glutamicum for effective recombinant protein expression.
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Affiliation(s)
| | - Pil Kim
- Department of Biotechnology, The Catholirc University of Korea, Bucheon, South Korea
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21
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Li L, Kim SA, Heo JE, Kim TJ, Seo JH, Han NS. One-pot synthesis of GDP-l-fucose by a four-enzyme cascade expressed in Lactococcus lactis. J Biotechnol 2017; 264:1-7. [PMID: 29050879 DOI: 10.1016/j.jbiotec.2017.10.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 10/11/2017] [Accepted: 10/15/2017] [Indexed: 01/09/2023]
Abstract
GDP-l-fucose is an l-fucose donor to synthesize fucosylated compounds such as human milk oligosaccharides or Lewis antigen. In this study, we used Lactococcus lactis subsp. cremoris NZ9000 to express 4 enzymes, ManB, ManC, Gmd, and WcaG and produced GDP-l-fucose by using one-pot synthesis method with mannose-6-phosphate as substrate and the enzymes as biocatalyst. For preparation of enzyme mixture, 4 genes (manB, manC, gmd, and wcaG) cloned from Escherichia coli were transformed into L. lactis strains using pNZ8008 and the recombinant cell lysates were obtained after cultivation. When mannose-6-phosphate was used as the substrate, the consecutive reactions with ManB, ManC, Gmd, and WcaG resulted in the successful production of GDP-l-fucose (0.13mM). When GDP-d-mannose was used as the substrate, it was entirely converted to GDP-l-fucose (0.2mM; 0.12g/L) via 2 enzymatic reactions mediated by Gmd and WcaG. This is the first report of GDP-l-fucose production by using multiple enzymes expressed in lactic acid bacteria.
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Affiliation(s)
- Ling Li
- Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Farm Produces, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310023, Zhejiang, China
| | - Seul-Ah Kim
- Brain Korea 21 Center for Bio-Resource Development, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju 28644, Korea
| | - Ji Eun Heo
- Brain Korea 21 Center for Bio-Resource Development, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju 28644, Korea
| | - Tae-Jip Kim
- Brain Korea 21 Center for Bio-Resource Development, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju 28644, Korea
| | - Jin-Ho Seo
- Department of Agricultural Biotechnology Center for Food and Bioconvergence, Seoul National University, Seoul 151742, Korea
| | - Nam Soo Han
- Brain Korea 21 Center for Bio-Resource Development, Division of Animal, Horticultural, and Food Sciences, Chungbuk National University, Cheongju 28644, Korea.
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22
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Improved production of 2′-fucosyllactose in engineered Escherichia coli by expressing putative α-1,2-fucosyltransferase, WcfB from Bacteroides fragilis. J Biotechnol 2017; 257:192-198. [DOI: 10.1016/j.jbiotec.2016.11.033] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 11/30/2016] [Accepted: 11/30/2016] [Indexed: 01/12/2023]
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23
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Biotechnological production of fucosylated human milk oligosaccharides: Prokaryotic fucosyltransferases and their use in biocatalytic cascades or whole cell conversion systems. J Biotechnol 2016; 235:61-83. [DOI: 10.1016/j.jbiotec.2016.03.052] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 03/30/2016] [Accepted: 03/31/2016] [Indexed: 01/29/2023]
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24
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Metabolic engineering for amino-, oligo-, and polysugar production in microbes. Appl Microbiol Biotechnol 2016; 100:2523-33. [DOI: 10.1007/s00253-015-7215-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 11/30/2015] [Accepted: 12/02/2015] [Indexed: 12/21/2022]
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25
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Wang H, Zhang C, Yang Q, Feng J, Chen H, Gu Z, Zhang H, Chen W, Chen YQ. Production of GDP- l-fucose from exogenous fucose through the salvage pathway in Mortierella alpina. RSC Adv 2016. [DOI: 10.1039/c6ra06031e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This study is the first to report a comprehensive characterization of GDP-l-fucose pyrophosphorylase (GFPP) in a fungus.
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Affiliation(s)
- Hongchao Wang
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Chen Zhang
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Qin Yang
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Jinghan Feng
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Haiqin Chen
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Zhennan Gu
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
| | - Yong Q. Chen
- State Key Laboratory of Food Science and Technology
- School of Food Science and Technology
- Jiangnan University
- Wuxi
- P. R. China
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26
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Chen R. The sweet branch of metabolic engineering: cherry-picking the low-hanging sugary fruits. Microb Cell Fact 2015; 14:197. [PMID: 26655367 PMCID: PMC4674990 DOI: 10.1186/s12934-015-0389-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 11/25/2015] [Indexed: 02/08/2023] Open
Abstract
In the first science review on the then nascent Metabolic Engineering field in 1991, Dr. James E. Bailey described how improving erythropoietin (EPO) glycosylation can be achieved via metabolic engineering of Chinese hamster ovary (CHO) cells. In the intervening decades, metabolic engineering has brought sweet successes in glycoprotein engineering, including antibodies, vaccines, and other human therapeutics. Today, not only eukaryotes (CHO, plant, insect, yeast) are being used for manufacturing protein therapeutics with human-like glycosylation, newly elucidated bacterial glycosylation systems are enthusiastically embraced as potential breakthrough to revolutionize the biopharmaceutical industry. Notwithstanding these excitement in glycoprotein, the sweet metabolic engineering reaches far beyond glycoproteins. Many different types of oligo- and poly-saccharides are synthesized with metabolically engineered cells. For example, several recombinant hyaluronan bioprocesses are now in commercial production, and the titer of 2′-fucosyllactose, the most abundant fucosylated trisaccharide in human milk, reaches over 20 g/L with engineered E. coli cells. These successes represent only the first low hanging fruits, which have been appreciated scientifically, medically and fortunately, commercially as well. As one of the four building blocks of life, sugar molecules permeate almost all aspects of life. They are also unique in being intimately associated with all major types of biopolymers (including DNA/RNA, proteins, lipids) meanwhile they stand alone as bioactive polysaccharides, or free soluble oligosaccharides. As such, all sugar moieties in biological components, small or big and free or bound, are important targets for metabolic engineering. Opportunities abound at the interface of glycosciences and metabolic engineering. Continued investment and successes in this branch of metabolic engineering will make vastly diverse sugar-containing molecules (a.k.a. glycoconjugates) available for biomedical applications, sustainable technology development, and as invaluable tools for basic scientific research. This short review focuses on the most recent development in the field, with emphasis on the synthesis technology for glycoprotein, polysaccharide, and oligosaccharide.
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Affiliation(s)
- Rachel Chen
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Drive, NW, Atlanta, GA, 30332-0100, USA.
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27
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Woo HM, Park JB. Recent progress in development of synthetic biology platforms and metabolic engineering of Corynebacterium glutamicum. J Biotechnol 2014; 180:43-51. [DOI: 10.1016/j.jbiotec.2014.03.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 02/08/2014] [Accepted: 03/03/2014] [Indexed: 01/21/2023]
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28
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Li Z, Gao Y, Nakanishi H, Gao X, Cai L. Biosynthesis of rare hexoses using microorganisms and related enzymes. Beilstein J Org Chem 2013; 9:2434-45. [PMID: 24367410 PMCID: PMC3869271 DOI: 10.3762/bjoc.9.281] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 10/15/2013] [Indexed: 01/06/2023] Open
Abstract
Rare sugars, referred to as monosaccharides and their derivatives that rarely exist in nature, can be applied in many areas ranging from foodstuffs to pharmaceutical and nutrition industry, or as starting materials for various natural products and drug candidates. Unfortunately, an important factor restricting the utilization of rare sugars is their limited availability, resulting from limited synthetic methods. Nowadays, microbial and enzymatic transformations have become a very powerful tool in this field. This article reviews the biosynthesis and enzymatic production of rare ketohexoses, aldohexoses and sugar alcohols (hexitols), including D-tagatose, D-psicose, D-sorbose, L-tagatose, L-fructose, 1-deoxy-L-fructose, D-allose, L-glucose, L-talose, D-gulose, L-galactose, L-fucose, allitol, D-talitol, and L-sorbitol. New systems and robust catalysts resulting from advancements in genomics and bioengineering are also discussed.
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Affiliation(s)
- Zijie Li
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Yahui Gao
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Hideki Nakanishi
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Xiaodong Gao
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | - Li Cai
- Division of Mathematics and Science, University of South Carolina Salkehatchie, Walterboro, South Carolina, 29488, USA
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