1
|
Zheng J, You J, Zhang D, Zhang X, Chen F, Yang T, Xu M, Hu Y, Rao Z. Pre-optimization and one-step preparation of cascade enzymes system with broad substrates by model guidance: Application of chiral L-norvaline and L-phenylglycine biosynthesis. BIORESOURCE TECHNOLOGY 2024; 393:130125. [PMID: 38040317 DOI: 10.1016/j.biortech.2023.130125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/27/2023] [Accepted: 11/27/2023] [Indexed: 12/03/2023]
Abstract
Cascade biocatalyst systems with catalytic promiscuity can be used for synthesis of a class of chiral chemicals but the optimization of these systems by model guidance is poorly explored. In this study, a cascade system with broad substrate spectrum was characterized and simulated by kinetic model with substrates of DL-Norvaline (DL-Nor) and DL-Phenylglycine (DL-Phg) as examples. To evaluate the optimal cascade system, maximum accumulation of intermediate products and conversion rate in the process were investigated by simultaneous solution of the rate equations for varying enzyme quantities. According to the simulation results, the cascade system was optimized by regulating the expression of D-amino acid oxidase and formate dehydrogenase and was prepared by one-step. The conversion efficiency of DL-Nor and DL-Phg have been significantly improved compared with that of before optimization. Moreover, the total of L-Nor and L-Phg were reached 498.2 mM and 79.5 mM through a gradient fed-batch conversion strategy, respectively.
Collapse
Affiliation(s)
- Junxian Zheng
- School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, Fujian, China; Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China
| | - Jiajia You
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Yixing Institute of Food and Biotechnology Co., Ltd, Yixing 214200, China
| | - Danfeng Zhang
- School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, Fujian, China
| | - Xian Zhang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Yixing Institute of Food and Biotechnology Co., Ltd, Yixing 214200, China
| | - Fan Chen
- School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, Fujian, China
| | - Taowei Yang
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Yixing Institute of Food and Biotechnology Co., Ltd, Yixing 214200, China
| | - Meijuan Xu
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Yixing Institute of Food and Biotechnology Co., Ltd, Yixing 214200, China
| | - Yuanqing Hu
- School of Biological Science and Biotechnology, Minnan Normal University, Zhangzhou 363000, Fujian, China
| | - Zhiming Rao
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China; Yixing Institute of Food and Biotechnology Co., Ltd, Yixing 214200, China.
| |
Collapse
|
2
|
Rowbotham JS, Nicholson JH, Ramirez MA, Urata K, Todd PMT, Karunanithy G, Lauterbach L, Reeve HA, Baldwin AJ, Vincent KA. Biocatalytic reductive amination as a route to isotopically labelled amino acids suitable for analysis of large proteins by NMR. Chem Sci 2023; 14:12160-12165. [PMID: 37969586 PMCID: PMC10631221 DOI: 10.1039/d3sc01718d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 09/20/2023] [Indexed: 11/17/2023] Open
Abstract
We demonstrate an atom-efficient and easy to use H2-driven biocatalytic platform for the enantioselective incorporation of 2H-atoms into amino acids. By combining the biocatalytic deuteration catalyst with amino acid dehydrogenase enzymes capable of reductive amination, we synthesised a library of multiply isotopically labelled amino acids from low-cost isotopic precursors, such as 2H2O and 15NH4+. The chosen approach avoids the use of pre-labeled 2H-reducing agents, and therefore vastly simplifies product cleanup. Notably, this strategy enables 2H, 15N, and an asymmetric centre to be introduced at a molecular site in a single step, with full selectivity, under benign conditions, and with near 100% atom economy. The method facilitates the preparation of amino acid isotopologues on a half-gram scale. These amino acids have wide applicability in the analytical life sciences, and in particular for NMR spectroscopic analysis of proteins. To demonstrate the benefits of the approach for enabling the workflow of protein NMR chemists, we prepared l-[α-2H,15N, β-13C]-alanine and integrated it into a large (>400 kDa) heat-shock protein oligomer, which was subsequently analysable by methyl-TROSY techniques, revealing new structural information.
Collapse
Affiliation(s)
- Jack S Rowbotham
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Jake H Nicholson
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Miguel A Ramirez
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Kouji Urata
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Peter M T Todd
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Gogulan Karunanithy
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory Oxford UK
| | - Lars Lauterbach
- Technische Universität Berlin, Institute for Chemistry Straße des 17. Juni 135 10437 Berlin Germany
| | - Holly A Reeve
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| | - Andrew J Baldwin
- Department of Chemistry, University of Oxford, Physical and Theoretical Chemistry Laboratory Oxford UK
- Kavli Institute for Nanoscience Discovery, University of Oxford Oxford OX1 3QU UK
| | - Kylie A Vincent
- Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory South Parks Road Oxford UK
| |
Collapse
|
3
|
Effect of inorganic and organic nitrogen supplementation on volatile components and aroma profile of cider. Food Res Int 2022; 161:111765. [DOI: 10.1016/j.foodres.2022.111765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/19/2022] [Accepted: 08/02/2022] [Indexed: 11/22/2022]
|
4
|
Heinks T, Paulus J, Koopmeiners S, Beuel T, Sewald N, Höhne M, Bornscheuer UT, Fischer von Mollard G. Recombinant L-Amino Acid Oxidase with broad substrate spectrum for Co-Substrate Recycling in (S)-Selective Transaminase-Catalyzed Kinetic Resolutions. Chembiochem 2022; 23:e202200329. [PMID: 35713203 PMCID: PMC9543090 DOI: 10.1002/cbic.202200329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 06/15/2022] [Indexed: 11/08/2022]
Abstract
Chiral and enantiopure amines can be produced by enantioselective transaminases via kinetic resolution of amine racemates. This transamination reaction requires stoichiometric amounts of co-substrate. A dual-enzyme recycling system overcomes this limitation: L-amino acid oxidases (LAAO) recycle the accumulating co-product of ( S )-selective transaminases in the kinetic resolution of racemic amines to produce pure ( R )-amines. However, availability of suitable LAAOs is limited. Here we use the heterologously produced, highly active fungal hcLAAO4 with broad substrate spectrum. H 2 O 2 as by-product of hcLAAO4 is detoxified by a catalase. The final system allows using sub-stoichiometric amounts of 1 mol% of the transaminase co-substrate as well as the initial application of L-amino acids instead of α-keto acids. With an optimized protocol, synthetic potential of this kinetic resolution cascade was proven at the preparative scale (>90 mg) by the synthesis of highly enantiomerically pure ( R )-methylbenzylamine (>99 %ee) at complete conversion (50 %).
Collapse
Affiliation(s)
- Tobias Heinks
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Biochemistry, GERMANY
| | - Jannik Paulus
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Organic and Bioorganic Chemistry, GERMANY
| | - Simon Koopmeiners
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Biochemistry, GERMANY
| | - Tobias Beuel
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Biochemistry, GERMANY
| | - Norbert Sewald
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Organic and Bioorganic Chemistry, GERMANY
| | - Matthias Höhne
- University of Greifswald: Universitat Greifswald, Institute of Biochemistry, GERMANY
| | - Uwe T Bornscheuer
- University of Greifswald: Universitat Greifswald, Institute of Biochemistry, GERMANY
| | - Gabriele Fischer von Mollard
- Bielefeld University: Universitat Bielefeld, Faculty of Chemistry, Biochemistry, Universitätsstr. 25, 33615, Bielefeld, GERMANY
| |
Collapse
|
5
|
Mu X, Feng X, Wu T, Zhou F, Nie Y, Xu Y. Transamination-Like Reaction Catalyzed by Leucine Dehydrogenase for Efficient Co-Synthesis of α-Amino Acids and α-Keto Acids. Molecules 2021; 26:molecules26237287. [PMID: 34885864 PMCID: PMC8658789 DOI: 10.3390/molecules26237287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/25/2021] [Accepted: 11/27/2021] [Indexed: 11/17/2022] Open
Abstract
α-Amino acids and α-keto acids are versatile building blocks for the synthesis of several commercially valuable products in the food, agricultural, and pharmaceutical industries. In this study, a novel transamination-like reaction catalyzed by leucine dehydrogenase was successfully constructed for the efficient enzymatic co-synthesis of α-amino acids and α-keto acids. In this reaction mode, the α-keto acid substrate was reduced and the α-amino acid substrate was oxidized simultaneously by the enzyme, without the need for an additional coenzyme regeneration system. The thermodynamically unfavorable oxidation reaction was driven by the reduction reaction. The efficiency of the biocatalytic reaction was evaluated using 12 different substrate combinations, and a significant variation was observed in substrate conversion, which was subsequently explained by the differences in enzyme kinetics parameters. The reaction with the selected model substrates 2-oxobutanoic acid and L-leucine reached 90.3% conversion with a high total turnover number of 9.0 × 106 under the optimal reaction conditions. Furthermore, complete conversion was achieved by adjusting the ratio of addition of the two substrates. The constructed reaction mode can be applied to other amino acid dehydrogenases in future studies to synthesize a wider range of valuable products.
Collapse
Affiliation(s)
- Xiaoqing Mu
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China
- Institute of Industrial Technology, Suqian Jiangnan University, Suqian 223800, China
- Correspondence:
| | - Xian Feng
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
| | - Tao Wu
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
| | - Feng Zhou
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
| | - Yao Nie
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
| | - Yan Xu
- Laboratory of Brewing Microbiology and Applied Enzymology, School of Biotechnology, Jiangnan University, Wuxi 214122, China; (X.F.); (T.W.); (F.Z.); (Y.N.); (Y.X.)
| |
Collapse
|
6
|
Luo W, Hu J, Lu J, Zhang H, Wang X, Liu Y, Dong L, Yu X. One pot cascade synthesis of L-2-aminobutyric acid employing ω-transaminase from Paracoccus pantotrophus. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
7
|
Pickl M, Marín-Valls R, Joglar J, Bujons J, Clapés P. Chemoenzymatic Production of Enantiocomplementary 2-Substituted 3-Hydroxycarboxylic Acids from L-α-Amino Acids. Adv Synth Catal 2021; 363:2866-2876. [PMID: 34276272 PMCID: PMC7611260 DOI: 10.1002/adsc.202100145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Indexed: 12/14/2022]
Abstract
A two-enzyme cascade reaction plus in situ oxidative decarboxylation for the transformation of readily available canonical and non-canonical L-α-amino acids into 2-substituted 3-hydroxy-carboxylic acid derivatives is described. The biocatalytic cascade consisted of an oxidative deamination of L-α-amino acids by an L-α-amino acid deaminase from Cosenzaea myxofaciens, rendering 2-oxoacid intermediates, with an ensuing aldol addition reaction to formaldehyde, catalyzed by metal-dependent (R)- or (S)-selective carboligases namely 2-oxo-3-deoxy-l-rhamnonate aldolase (YfaU) and ketopantoate hydroxymethyltransferase (KPHMT), respectively, furnishing 3-substituted 4-hydroxy-2-oxoacids. The overall substrate conversion was optimized by balancing biocatalyst loading and amino acid and formaldehyde concentrations, yielding 36-98% aldol adduct formation and 91- 98% ee for each enantiomer. Subsequent in situ follow-up chemistry via hydrogen peroxide-driven oxidative decarboxylation afforded the corresponding 2-substituted 3-hydroxycarboxylic acid derivatives.
Collapse
Affiliation(s)
- Mathias Pickl
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
- Department of Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria
| | - Roser Marín-Valls
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Jesús Joglar
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Jordi Bujons
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| | - Pere Clapés
- Department of Chemical Biology. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18–26, 08034 Barcelona, Spain
| |
Collapse
|
8
|
Chen J, Zhu R, Zhou J, Yang T, Zhang X, Xu M, Rao Z. Efficient single whole-cell biotransformation for L-2-aminobutyric acid production through engineering of leucine dehydrogenase combined with expression regulation. BIORESOURCE TECHNOLOGY 2021; 326:124665. [PMID: 33540211 DOI: 10.1016/j.biortech.2021.124665] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/30/2020] [Accepted: 12/31/2020] [Indexed: 06/12/2023]
Abstract
Leucine dehydrogenase (LDH) is widely used in the preparation of L-2-aminobutyric acid (L-2-ABA), however its wide application is limited by 2-ketobutyric acid (2-OBA) inhibition. Firstly, a novel high-throughput screening method of LDH was established, specific enzyme activity and 2-OBA tolerance of Lys72Ala mutant were 33.3% higher than those of the wild type. Subsequently, we constructed a single cell comprised of ivlA, EsldhK72A, fdh and optimized expression through fine-tuning RBS intensity, so that the yield of E. coli BL21/pET28a-R3ivlA-EsldhK72A-fdh was 2.6 times higher than that of the original strain. As a result, 150 g L-threonine was transformed to 121 g L-2-ABA in 5 L fermenter with 95% molar conversion rate, and a productivity of 5.04 g·L-1·h-1, which is the highest productivity of L-2-ABA currently reported by single-cell biotransformation. In summary, our research provided a green synthesis for L-2-ABA, which has potential for industrial production of drug precursors.
Collapse
Affiliation(s)
- Jiajie Chen
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Rongshuai Zhu
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Junping Zhou
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Taowei Yang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Xian Zhang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Meijuan Xu
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China
| | - Zhiming Rao
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, Jiangsu Province 214122, PR China.
| |
Collapse
|
9
|
Wang L, Diao S, Sun Y, Jiang S, Liu Y, Wang H, Wei D. Rational engineering of Acinetobacter tandoii glutamate dehydrogenase for asymmetric synthesis of l-homoalanine through biocatalytic cascades. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00376c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A high yield of l-homoalanine can be obtained by an engineered dual cofactor-dependent GluDH in a cascade without the addition of NAD(P)H.
Collapse
Affiliation(s)
- Liuzhu Wang
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Shiqing Diao
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Yangyang Sun
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Shuiqin Jiang
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Yan Liu
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Hualei Wang
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| | - Dongzhi Wei
- State Key Laboratory of Bioreactor Engineering
- New World Institute of Biotechnology
- East China University of Science and Technology
- Shanghai
- China
| |
Collapse
|
10
|
Martínez-Rodríguez S, Torres JM, Sánchez P, Ortega E. Overview on Multienzymatic Cascades for the Production of Non-canonical α-Amino Acids. Front Bioeng Biotechnol 2020; 8:887. [PMID: 32850740 PMCID: PMC7431475 DOI: 10.3389/fbioe.2020.00887] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/09/2020] [Indexed: 12/11/2022] Open
Abstract
The 22 genetically encoded amino acids (AAs) present in proteins (the 20 standard AAs together with selenocysteine and pyrrolysine), are commonly referred as proteinogenic AAs in the literature due to their appearance in ribosome-synthetized polypeptides. Beyond the borders of this key set of compounds, the rest of AAs are generally named imprecisely as non-proteinogenic AAs, even when they can also appear in polypeptide chains as a result of post-transductional machinery. Besides their importance as metabolites in life, many of D-α- and L-α-"non-canonical" amino acids (NcAAs) are of interest in the biotechnological and biomedical fields. They have found numerous applications in the discovery of new medicines and antibiotics, drug synthesis, cosmetic, and nutritional compounds, or in the improvement of protein and peptide pharmaceuticals. In addition to the numerous studies dealing with the asymmetric synthesis of NcAAs, many different enzymatic pathways have been reported in the literature allowing for the biosynthesis of NcAAs. Due to the huge heterogeneity of this group of molecules, this review is devoted to provide an overview on different established multienzymatic cascades for the production of non-canonical D-α- and L-α-AAs, supplying neophyte and experienced professionals in this field with different illustrative examples in the literature. Whereas the discovery of new or newly designed enzymes is of great interest, dusting off previous enzymatic methodologies by a "back and to the future" strategy might accelerate the implementation of new or improved multienzymatic cascades.
Collapse
|
11
|
Li T, Cui X, Cui Y, Sun J, Chen Y, Zhu T, Li C, Li R, Wu B. Exploration of Transaminase Diversity for the Oxidative Conversion of Natural Amino Acids into 2-Ketoacids and High-Value Chemicals. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01895] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tao Li
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- University of Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Xuexian Cui
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- University of Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Yinglu Cui
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Jinyuan Sun
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Yanchun Chen
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- University of Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Tong Zhu
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- University of Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Chuijian Li
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| | - Ruifeng Li
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
- University of Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Bian Wu
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
| |
Collapse
|
12
|
Song W, Chen X, Wu J, Xu J, Zhang W, Liu J, Chen J, Liu L. Biocatalytic derivatization of proteinogenic amino acids for fine chemicals. Biotechnol Adv 2020; 40:107496. [DOI: 10.1016/j.biotechadv.2019.107496] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/13/2019] [Accepted: 11/18/2019] [Indexed: 01/09/2023]
|
13
|
Engineered P450 BM3 and cpADH5 coupled cascade reaction for β-oxo fatty acid methyl ester production in whole cells. Enzyme Microb Technol 2020; 138:109555. [PMID: 32527525 DOI: 10.1016/j.enzmictec.2020.109555] [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: 01/03/2020] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 01/01/2023]
Abstract
Hydroxy- or ketone- functionalized fatty acid methyl esters (FAMEs) are important compounds for production of pharmaceuticals, vitamins, cosmetics or dietary supplements. Biocatalysis through enzymatic cascades has drawn attention to the efficient, sustainable, and greener synthetic processes. Furthermore, whole cell catalysts offer important advantages such as cofactor regeneration by cell metabolism, omission of protein purification steps and increased enzyme stability. Here, we report the first whole cell catalysis employing an engineered P450 BM3 variant and cpADH5 coupled cascade reaction for the biosynthesis of hydroxy- and keto-FAMEs. Firstly, P450 BM3 was engineered through the KnowVolution approach yielding P450 BM3 variant YE_M1_2, (R47S/Y51W/T235S/N239R/I401 M) which exhibited boosted performance toward methyl hexanoate. The initial oxidation rate of YE_M1_2 toward methyl hexanoate was determined to be 23-fold higher than the wild type enzyme and a 1.5-fold increase in methyl 3-hydroxyhexanoate production was obtained (YE_M1_2; 2.75 mM and WT; 1.8 mM). Subsequently, the whole cell catalyst for the synthesis of methyl 3-hydroxyhexanoate and methyl 3-oxohexanoate was constructed by combining the engineered P450 BM3 and cpADH5 variants in an artificial operon. A 2.06 mM total product formation was achieved by the whole cell catalyst including co-expressed channel protein, FhuA and co-solvent addition. Moreover, the generated whole cell biocatalyst also accepted methyl valerate, methyl heptanoate as well as methyl octanoate as substrates and yielded ω-1 ketones as the main product.
Collapse
|
14
|
Nakano S, Minamino Y, Hasebe F, Ito S. Deracemization and Stereoinversion to Aromatic d-Amino Acid Derivatives with Ancestral l-Amino Acid Oxidase. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03418] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shogo Nakano
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yuki Minamino
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Fumihito Hasebe
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Sohei Ito
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| |
Collapse
|
15
|
Zhou H, Meng L, Yin X, Liu Y, Xu G, Wu J, Wu M, Yang L. Artificial Biocatalytic Cascade with Three Enzymes in One Pot for Asymmetric Synthesis of Chiral Unnatural Amino Acids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900828] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Haisheng Zhou
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Lijun Meng
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Xinjian Yin
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Yayun Liu
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Gang Xu
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Jianping Wu
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Mianbin Wu
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| | - Lirong Yang
- Institute of Bioengineering; College of Chemical and Biological Engineering; Zhejiang University; 310027 Hangzhou China
| |
Collapse
|
16
|
A Novel 3-Phytosterone-9α-Hydroxylase Oxygenation Component and Its Application in Bioconversion of 4-Androstene-3,17-Dione to 9α-Hydroxy-4-Androstene-3,17-Dione Coupling with A NADH Regeneration Formate Dehydrogenase. Molecules 2019; 24:molecules24142534. [PMID: 31336696 PMCID: PMC6680482 DOI: 10.3390/molecules24142534] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/01/2019] [Accepted: 07/09/2019] [Indexed: 11/17/2022] Open
Abstract
9α-Hydroxy-4-androstene-3,17-dione (9-OH-AD) is one of the significant intermediates for the preparation of β-methasone, dexamethasone, and other steroids. In general, the key enzyme that enables the biotransformation of 4-androstene-3,17-dione (AD) to 9-OH-AD is 3-phytosterone-9α-hydroxylase (KSH), which consists of two components: a terminal oxygenase (KshA) and ferredoxin reductase (KshB). The reaction is carried out with the concomitant oxidation of NADH to NAD+. In this study, the more efficient 3-phytosterone-9α-hydroxylase oxygenase (KshC) from the Mycobacterium sp. strain VKM Ac-1817D was confirmed and compared with reported KshA. To evaluate the function of KshC on the bioconversion of AD to 9-OH-AD, the characterization of KshC and the compounded system of KshB, KshC, and NADH was constructed. The optimum ratio of KSH oxygenase to reductase content was 1.5:1. An NADH regeneration system was designed by introducing a formate dehydrogenase, further confirming that a more economical process for biological transformation from AD to 9-OH-AD was established. A total of 7.78 g of 9-OH-AD per liter was achieved through a fed-batch process with a 92.11% conversion rate (mol/mol). This enzyme-mediated hydroxylation method provides an environmentally friendly and economical strategy for the production of 9-OH-AD.
Collapse
|
17
|
Affiliation(s)
- Ee Taek Hwang
- Center for Convergence Bioceramic Materials, Korea Institute of Ceramic Engineering & Technology, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| | - Seonbyul Lee
- Center for Convergence Bioceramic Materials, Korea Institute of Ceramic Engineering & Technology, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea
| |
Collapse
|
18
|
Xu JM, Li JQ, Zhang B, Liu ZQ, Zheng YG. Fermentative production of the unnatural amino acid L-2-aminobutyric acid based on metabolic engineering. Microb Cell Fact 2019; 18:43. [PMID: 30819198 PMCID: PMC6393993 DOI: 10.1186/s12934-019-1095-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 02/25/2019] [Indexed: 01/13/2023] Open
Abstract
Background l-2-aminobutyric acid (l-ABA) is an unnatural amino acid that is a key intermediate for the synthesis of several important pharmaceuticals. To make the biosynthesis of l-ABA environmental friendly and more suitable for the industrial-scale production. We expand the nature metabolic network of Escherichia coli using metabolic engineering approach for the production of l-ABA. Results In this study, Escherichia coli THR strain with a modified pathway for threonine-hyperproduction was engineered via deletion of the rhtA gene from the chromosome. To redirect carbon flux from 2-ketobutyrate (2-KB) to l-ABA, the ilvIH gene was deleted to block the l-isoleucine pathway. Furthermore, the ilvA gene from Escherichia coli W3110 and the leuDH gene from Thermoactinomyces intermedius were amplified and co-overexpressed. The promoter was altered to regulate the expression strength of ilvA* and leuDH. The final engineered strain E. coli THR ΔrhtAΔilvIH/Gap-ilvA*-Pbs-leuDH was able to produce 9.33 g/L of l-ABA with a yield of 0.19 g/L/h by fed-batch fermentation in a 5 L bioreactor. Conclusions This novel metabolically tailored strain offers a promising approach to fulfill industrial requirements for production of l-ABA. Electronic supplementary material The online version of this article (10.1186/s12934-019-1095-z) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Jian-Miao Xu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jian-Qiang Li
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Bo Zhang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Zhi-Qiang Liu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China.
| | - Yu-Guo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, 310014, China
| |
Collapse
|
19
|
Overcoming NADPH product inhibition improves D-sorbitol conversion to L-sorbose. Sci Rep 2019; 9:815. [PMID: 30692560 PMCID: PMC6349845 DOI: 10.1038/s41598-018-37401-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 12/04/2018] [Indexed: 02/02/2023] Open
Abstract
Gluconobacter oxydans sorbitol dehydrogenase (GoSLDH) exhibits a higher catalytic efficiency than other l-sorbose producing enzymes. During the reaction catalysed by GoSLDH, NADP+ is reduced to NADPH and d-sorbitol is oxidized to l-sorbose. However, GoSLDH activity is inhibited by the NADPH (Ki = 100 μM) formed during the enzymatic reaction. Therefore, Escherichia coligosldh-lrenox producing both GoSLDH for d-sorbitol oxidation and LreNOX (NAD(P)H oxidase from Lactobacillus reuteri) for NADP+ regeneration was generated and used for l-sorbose production. Whole cell biocatalysts with the LreNOX cofactor recycling system showed a high conversion rate (92%) of d-sorbitol to l-sorbose in the presence of low concentration of NADP+ (0.5 mM). By alleviating NADPH accumulation during the catalytic reactions, E. coligosldh-lrenox exhibited 23-fold higher conversion rate of d-sorbitol than E. coligosldh. l-Sorbose production by E. coligosldh-lrenox reached 4.1 g/L after 40 min, which was 20.5-fold higher than that of E. coligosldh. We also constructed G. oxydansgosldh and G. oxydansgosldh-lrenox strains, and they exhibited 1.2- and 2.9-fold higher conversion rates than the wild-type G. oxydans KCTC 1091. The results indicate that overcoming NADPH product inhibition using LreNOX improves chemical production in NADP+-dependent enzymatic reactions.
Collapse
|
20
|
Affiliation(s)
- Mahesh D. Patil
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, United Kingdom
| | - Andreas Bommarius
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 950 Atlantic Drive, Atlanta, Georgia 30332-2000, United States
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| |
Collapse
|
21
|
Wang Y, Li GS, Qiao P, Lin L, Xue HL, Zhu L, Wu MB, Lin JP, Yang LR. Increased productivity of L-2-aminobutyric acid and total turnover number of NAD +/NADH in a one-pot system through enhanced thermostability of L-threonine deaminase. Biotechnol Lett 2018; 40:1551-1559. [PMID: 30259222 DOI: 10.1007/s10529-018-2607-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 09/17/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To strengthen NADH regeneration in the biosynthesis of L-2-aminobutyric acid (L-ABA). RESULTS L-Threonine deaminase (L-TD) from Escherichia coli K12 was modified by directed evolution and rational design to improve its endurance to heat treatment. The half-life of mutant G323D/F510L/T344A at 42 °C increased from 10 to 210 min, a 20-fold increase compared to the wild-type L-TD, and the temperature at which the activity of the enzyme decreased by 50% in 15 min increased from 39 to 53 °C. The mutant together with thermostable L-leucine dehydrogenase from Bacillus sphaericus DSM730 and formate dehydrogenase from Candida boidinii constituted a one-pot system for L-ABA biosynthesis. Employing preheat treatment in the one-pot system, the biosynthesis of L-ABA and total turnover number of NAD+/NADH were 0.993 M and 16,469, in contrast to 0.635 M and 10,531 with wild-type L-TD, respectively. CONCLUSIONS By using the engineered L-TD during endured preheat treatment, the one-pot system has achieved a higher productivity of L-ABA and total turnover number of coenzyme.
Collapse
Affiliation(s)
- Ying Wang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Guo-Si Li
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Pei Qiao
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Ling Lin
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Hai-Long Xue
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Li Zhu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Mian-Bin Wu
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| | - Jian-Ping Lin
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China.
| | - Li-Rong Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, 38 Zhe-da Road, Hangzhou, 310007, Zhejiang, People's Republic of China
| |
Collapse
|
22
|
Efficient Biosynthesis of Xylitol from Xylose by Coexpression of Xylose Reductase and Glucose Dehydrogenase in Escherichia coli. Appl Biochem Biotechnol 2018; 187:1143-1157. [DOI: 10.1007/s12010-018-2878-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/28/2018] [Indexed: 01/02/2023]
|
23
|
Yin X, Wu J, Yang L. Efficient reductive amination process for enantioselective synthesis of L-phosphinothricin applying engineered glutamate dehydrogenase. Appl Microbiol Biotechnol 2018; 102:4425-4433. [DOI: 10.1007/s00253-018-8910-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/25/2018] [Accepted: 02/28/2018] [Indexed: 11/24/2022]
|
24
|
Kashiwagi FM, Ojima Y, Taya M. Metabolic Engineering of Escherichia coli KO11 with the NADH Regeneration System for Enhancing Ethanol Production. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2018. [DOI: 10.1252/jcej.17we108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Yoshihiro Ojima
- Department of Applied Chemistry and Bioengineering, Graduate School of Engineering, Osaka City University
| | - Masahito Taya
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University
| |
Collapse
|
25
|
Xue YP, Cao CH, Zheng YG. Enzymatic asymmetric synthesis of chiral amino acids. Chem Soc Rev 2018; 47:1516-1561. [DOI: 10.1039/c7cs00253j] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This review summarizes the progress achieved in the enzymatic asymmetric synthesis of chiral amino acids from prochiral substrates.
Collapse
Affiliation(s)
- Ya-Ping Xue
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Cheng-Hao Cao
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| | - Yu-Guo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou 310014
- China
| |
Collapse
|
26
|
Velasco-Lozano S, da Silva ES, Llop J, López-Gallego F. Sustainable and Continuous Synthesis of Enantiopure l-Amino Acids by Using a Versatile Immobilised Multienzyme System. Chembiochem 2017; 19:395-403. [PMID: 28990733 DOI: 10.1002/cbic.201700493] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Indexed: 11/08/2022]
Abstract
The enzymatic synthesis of α-amino acids is a sustainable and efficient alternative to chemical processes, through which achieving enantiopure products is difficult. To more address this synthesis efficiently, a hierarchical architecture that irreversibly co-immobilises an amino acid dehydrogenase with polyethyleneimine on porous agarose beads has been designed and fabricated. The cationic polymer acts as an irreversible anchoring layer for the formate dehydrogenase. In this architecture, the two enzymes and polymer colocalise across the whole microstructure of the porous carrier. This multifunctional heterogeneous biocatalyst was kinetically characterised and applied to the enantioselective synthesis of a variety of canonical and noncanonical α-amino acids in both discontinuous (batch) and continuous modes. The co-immobilised bienzymatic system conserves more than 50 % of its initial effectiveness after five batch cycles and 8 days of continuous operation. Additionally, the environmental impact of this process has been semiquantitatively calculated and compared with the state of the art.
Collapse
Affiliation(s)
- Susana Velasco-Lozano
- Heterogeneous Biocatalysis Group, CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia, Spain
| | - Eunice S da Silva
- Radiochemistry and Nuclear Imaging Group, CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia, Spain
| | - Jordi Llop
- Radiochemistry and Nuclear Imaging Group, CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia, Spain
| | - Fernando López-Gallego
- Heterogeneous Biocatalysis Group, CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia, Spain.,IKERBASQUE, Basque Foundation for Science, María Díaz Haroko Kalea 3, 48013, Bilbao, Spain
| |
Collapse
|
27
|
Ensari Y, Dhoke GV, Davari MD, Bocola M, Ruff AJ, Schwaneberg U. Inversion of cpADH5 Enantiopreference and Altered Chain Length Specificity for Methyl 3-Hydroxyalkanoates. Chemistry 2017; 23:12636-12645. [DOI: 10.1002/chem.201702581] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Yunus Ensari
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
- Faculty of Engineering and Architecture; Department of Bioengineering; Kafkas University; Kars Turkey
| | - Gaurao V. Dhoke
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
| | - Mehdi D. Davari
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
| | - Marco Bocola
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
| | - Anna Joëlle Ruff
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
| | - Ulrich Schwaneberg
- Lehrstuhl für Biotechnologie; RWTH Aachen University; Worringerweg 3 52074 Aachen Germany
- DWI-Leibniz Institut für Interaktive Materialien; Forckenbeckstraße 50 52056 Aachen Germany
| |
Collapse
|
28
|
da Silva ES, Gómez-Vallejo V, Llop J, López-Gallego F. Structural, kinetic and operational characterization of an immobilized l -aminoacid dehydrogenase. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.03.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
29
|
Abstract
Chirality is a key factor in the safety and efficacy of many drug products and thus the production of single enantiomers of drug intermediates and drugs has become important and state of the art in the pharmaceutical industry. There has been an increasing awareness of the enormous potential of microorganisms and enzymes (biocatalysts) for the transformation of synthetic chemicals with high chemo-, regio- and enatioselectivities providing products in high yields and purity. In this article, biocatalytic processes are described for the synthesis of key chiral intermediates for development pharmaceuticals.
Collapse
Affiliation(s)
- Ramesh N Patel
- SLRP Associates, LLC, Consultation in Biocatalysis and Biotechnology, 572 Cabot Hill Road, Bridgewater, NJ 08807, USA.
| |
Collapse
|
30
|
Development of a multi-enzymatic desymmetrization and its application for the biosynthesis of l -norvaline from dl -norvaline. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.01.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|
31
|
Parmeggiani F, Ahmed ST, Thompson MP, Weise NJ, Galman JL, Gahloth D, Dunstan MS, Leys D, Turner NJ. Single-Biocatalyst Synthesis of Enantiopured-Arylalanines Exploiting an Engineeredd-Amino Acid Dehydrogenase. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600682] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fabio Parmeggiani
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Syed T. Ahmed
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Matthew P. Thompson
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Nicholas J. Weise
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - James L. Galman
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Deepankar Gahloth
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Mark S. Dunstan
- SYNBIOCHEM, Manchester Institute of Biotechnology (MIB); The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - David Leys
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
- SYNBIOCHEM, Manchester Institute of Biotechnology (MIB); The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| | - Nicholas J. Turner
- Manchester Institute of Biotechnology (MIB); School of Chemistry; The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
- SYNBIOCHEM, Manchester Institute of Biotechnology (MIB); The University of Manchester; 131 Princess Street M1 7DN Manchester U.K
| |
Collapse
|
32
|
van Oosterwijk N, Willies S, Hekelaar J, Terwisscha van Scheltinga AC, Turner NJ, Dijkstra BW. Structural Basis of the Substrate Range and Enantioselectivity of Two (S)-Selective ω-Transaminases. Biochemistry 2016; 55:4422-31. [PMID: 27428867 DOI: 10.1021/acs.biochem.6b00370] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
ω-Transaminases are enzymes that can introduce an amino group in industrially interesting compounds. We determined crystal structures of two (S)-selective ω-transaminases, one from Arthrobacter sp. (Ars-ωTA) and one from Bacillus megaterium (BM-ωTA), which have 95% identical sequences but somewhat different activity profiles. Substrate profiling measurements using a range of (R)- and (S)-substrates showed that both enzymes have a preference for substrates with large, flat cyclic side groups, for which the activity of BM-ωTA is generally somewhat higher. BM-ωTA has a preference for (S)-3,3-dimethyl-2-butylamine significantly stronger than that of Ars-ωTA, as well as a weaker enantiopreference for 1-cyclopropylethylamine. The crystal structures showed that, as expected for (S)-selective transaminases, both enzymes have the typical transaminase type I fold and have spacious active sites to accommodate largish substrates. A structure of BM-ωTA with bound (R)-α-methylbenzylamine explains the enzymes' preference for (S)-substrates. Site-directed mutagenesis experiments revealed that the presence of a tyrosine, instead of a cysteine, at position 60 increases the relative activities on several small substrates. A structure of Ars-ωTA with bound l-Ala revealed that the Arg442 side chain has been repositioned to bind the l-Ala carboxylate. Compared to the arginine switch residue in other transaminases, Arg442 is shifted by six residues in the amino acid sequence, which appears to be a consequence of extra loops near the active site that narrow the entrance to the active site.
Collapse
Affiliation(s)
- Niels van Oosterwijk
- Laboratory of Biophysical Chemistry, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen , Nijenborgh 7, 9747 AG Groningen, The Netherlands
| | - Simon Willies
- School of Chemistry, Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester M1 7DN, U.K
| | - Johan Hekelaar
- Laboratory of Biophysical Chemistry, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen , Nijenborgh 7, 9747 AG Groningen, The Netherlands
| | - Anke C Terwisscha van Scheltinga
- Laboratory of Biophysical Chemistry, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen , Nijenborgh 7, 9747 AG Groningen, The Netherlands
| | - Nicholas J Turner
- School of Chemistry, Manchester Institute of Biotechnology, University of Manchester , 131 Princess Street, Manchester M1 7DN, U.K
| | - Bauke W Dijkstra
- Laboratory of Biophysical Chemistry, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), University of Groningen , Nijenborgh 7, 9747 AG Groningen, The Netherlands
| |
Collapse
|
33
|
Xu G, Jiang Y, Tao R, Wang S, Zeng H, Yang S. A recyclable biotransformation system for l-2-aminobutyric acid production based on immobilized enzyme technology. Biotechnol Lett 2015; 38:123-9. [DOI: 10.1007/s10529-015-1957-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 09/10/2015] [Indexed: 10/23/2022]
|
34
|
Wu X, Gou X, Chen Y. Enzymatic preparation of t-butyl-6-cyano-(3R, 5R)-dihydroxyhexanoate by a whole-cell biocatalyst co-expressing carbonyl reductase and glucose dehydrogenase. Process Biochem 2015. [DOI: 10.1016/j.procbio.2014.10.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
|
35
|
Liu W, Ma H, Luo J, Shen W, Xu X, Li S, Hu Y, Huang H. Efficient synthesis of l-tert-leucine through reductive amination using leucine dehydrogenase and formate dehydrogenase coexpressed in recombinant E. coli. Biochem Eng J 2014. [DOI: 10.1016/j.bej.2014.08.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
36
|
Stereoselective synthesis of l-tert-leucine by a newly cloned leucine dehydrogenase from Exiguobacterium sibiricum. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcatb.2014.03.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
37
|
Agudo R, Reetz MT. Designer cells for stereocomplementary de novo enzymatic cascade reactions based on laboratory evolution. Chem Commun (Camb) 2014; 49:10914-6. [PMID: 24135920 DOI: 10.1039/c3cc46229c] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Designer cells for a synthetic cascade reaction harnessing selective redox reactions were devised, featuring two successive regioselective P450-catalyzed CH-activating oxidations of 1-cyclohexene carboxylic acid methyl ester followed by stereoselective olefin-reduction catalysed by (R)- or (S)-selective mutants of an enoate reductase.
Collapse
Affiliation(s)
- Rubén Agudo
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein Str., 35032 Marburg, Germany
| | | |
Collapse
|
38
|
Liu W, Li Z, Huang CH, Guo RT, Zhao L, Zhang D, Chen X, Wu Q, Zhu D. Structural and Mutational Studies on the Unusual Substrate Specificity ofmeso-Diaminopimelate Dehydrogenase fromSymbiobacterium thermophilum. Chembiochem 2013; 15:217-22. [DOI: 10.1002/cbic.201300691] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Indexed: 11/10/2022]
|
39
|
A one-pot system for production of L-2-aminobutyric acid from L-threonine by L-threonine deaminase and a NADH-regeneration system based on L-leucine dehydrogenase and formate dehydrogenase. Biotechnol Lett 2013; 36:835-41. [PMID: 24322776 DOI: 10.1007/s10529-013-1424-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Accepted: 11/26/2013] [Indexed: 10/25/2022]
Abstract
L-2-Aminobutyric acid (L-ABA) is an unnatural amino acid that is a key intermediate for the synthesis of several important drugs. It can be produced by transaminase or dehydrogenase from α-ketobutyric acid, which can be synthesized enzymatically from the bulk amino acid, L-threonine. Deamination of L-threonine followed by a hydrogenation reaction gave almost the theoretical yield and was estimated to be more cost-effective than the established chemical process. L-Threonine deaminase from Escherichia coli, L-leucine dehydrogenase from Bacillus cereus, and formate dehydrogenase from Pseudomonas sp. were over-expressed in E. coli and used for one-pot production of L-ABA with formate as a co-substrate for NADH regeneration. 30 mol L-threonine were converted to 29.2 mol L-ABA at 97.3 % of theoretical yield and with productivity of 6.37 g l(-1) h(-1) at 50 l. This process offers a promising approach to fulfil industrial requirements for L-ABA.
Collapse
|
40
|
Balzer GJ, Thakker C, Bennett GN, San KY. Metabolic engineering of Escherichia coli to minimize byproduct formate and improving succinate productivity through increasing NADH availability by heterologous expression of NAD(+)-dependent formate dehydrogenase. Metab Eng 2013; 20:1-8. [PMID: 23876411 DOI: 10.1016/j.ymben.2013.07.005] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/30/2013] [Accepted: 07/11/2013] [Indexed: 11/26/2022]
Abstract
Succinic acid is a specialty chemical having numerous applications in industrial, pharmaceutical and food uses. One of the major challenges in the succinate fermentation process is eliminating the formation of byproducts. In this study, we describe eliminating byproduct formate and improving succinate productivity by reengineering a high succinate producing E. coli strain SBS550MG-Cms243(pHL413Km). The NAD(+)-dependent formate dehydrogenase gene (fdh1) of Candida boidinii was coexpressed with Lactococcus lactis pyruvate carboxylase (pycA) under the control of Ptrc and PpycA promoters in plasmid pHL413KF1. The newly introduced fdh1 converts 1 mol of formate into 1 mol of NADH and CO2. The reengineered strain SBS550MG-Cms243(pHL413KF1) retains the reducing power of formate through an increase in NADH availability. In anaerobic shake flask fermentations, the parent strain SBS550MG-Cms243(pHL413Km) consumed 99.86 mM glucose and produced 172.38 mM succinate, 16.16 mM formate and 4.42 mM acetate. The FDH bearing strain, SBS550MG-Cms243(pHL413KF1) consumed 98.43 mM glucose and produced 171.80 mM succinate, 1mM formate and 5.78 mM acetate. Furthermore, external formate supplementation to SBS550MG(pHL413KF1) fermentations resulted in about 6% increase in succinate yields as compared to SBS550MG(pHL413Km). In an anaerobic fed-batch bioreactor process, the average glucose consumption rate, succinate productivity, and byproduct formate concentration of SBS550MG(pHL413Km) was 1.40 g/L/h, 1g/L/h, and 17 mM, respectively. Whereas, the average glucose consumption rate, succinate productivity and byproduct formate concentration of SBS550MG(pHL413KF1) was 2 g/L/h, 2 g/L/h, 0-3 mM respectively. A high cell density culture of SBS550MG(pHL413KF1) showed further improvement in succinate productivity with a higher glucose consumption rate. Reduced levels of byproduct formate in succinate fermentation broth would provide an opportunity for reducing the cost associated with downstream processing, purification, and waste disposal.
Collapse
Affiliation(s)
- Grant J Balzer
- Department of Bioengineering, Rice University, Houston, TX 77005, USA
| | | | | | | |
Collapse
|
41
|
Identification of homophenylalanine biosynthetic genes from the cyanobacterium Nostoc punctiforme PCC73102 and application to its microbial production by Escherichia coli. Appl Environ Microbiol 2013; 79:2201-8. [PMID: 23354699 DOI: 10.1128/aem.03596-12] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
L-Homophenylalanine (L-Hph) is a useful chiral building block for synthesis of several drugs, including angiotensin-converting enzyme inhibitors and the novel proteasome inhibitor carfilzomib. While the chemoenzymatic route of synthesis is fully developed, we investigated microbial production of L-Hph to explore the possibility of a more efficient and sustainable approach to L-Hph production. We hypothesized that L-Hph is synthesized from L-Phe via a mechanism homologous to 3-methyl-2-oxobutanoic acid conversion to 4-methyl-2-oxopentanoic acid during leucine biosynthesis. Based on bioinformatics analysis, we found three putative homophenylalanine biosynthesis genes, hphA (Npun_F2464), hphB (Npun_F2457), and hphCD (Npun_F2458), in the cyanobacterium Nostoc punctiforme PCC73102, located around the gene cluster responsible for anabaenopeptin biosynthesis. We constructed Escherichia coli strains harboring hphABCD-expressing plasmids and achieved the fermentative production of L-Hph from L-Phe. To our knowledge, this is the first identification of the genes responsible for homophenylalanine synthesis in any organism. Furthermore, to improve the low conversion efficiency of the initial strain, we optimized the expression of hphA, hphB, and hphCD, which increased the yield to ∼630 mg/liter. The L-Hph biosynthesis and L-Leu biosynthesis genes from E. coli were also compared. This analysis revealed that HphB has comparatively relaxed substrate specificity and can perform the function of LeuB, but HphA and HphCD show tight substrate specificity and cannot complement the LeuA and LeuC/LeuD functions, and vice versa. Finally, the range of substrate tolerance of the L-Hph-producing strain was examined, which showed that m-fluorophenylalanine, o-fluorophenylalanine, and L-tyrosine were accepted as substrates and that the corresponding homoamino acids were generated.
Collapse
|
42
|
Abstract
Asymmetric reductive amination (ARA) affords synthetically valuable chiral amines straightforwardly. This chapter reviews the recent advances made in the area, focusing on ARA by hydrogenation, transfer hydrogenation, organocatalytic reduction, and biocatalytic reduction.
Collapse
Affiliation(s)
- Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, and Department of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China,
| | | |
Collapse
|
43
|
Gröger H, Asano Y, Bornscheuer UT, Ogawa J. Development of biocatalytic processes in Japan and Germany: from research synergies to industrial applications. Chem Asian J 2012; 7:1138-53. [PMID: 22550022 DOI: 10.1002/asia.201200105] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Indexed: 11/09/2022]
Affiliation(s)
- Harald Gröger
- Faculty of Chemistry, Bielefeld University, Universitätsstrasse 25, 33615 Bielefeld, Germany.
| | | | | | | |
Collapse
|
44
|
Ojima Y, Suryadarma P, Tsuchida K, Taya M. Accumulation of pyruvate by changing the redox status in Escherichia coli. Biotechnol Lett 2012; 34:889-93. [PMID: 22215378 DOI: 10.1007/s10529-011-0842-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Accepted: 12/19/2011] [Indexed: 10/14/2022]
Abstract
Pyruvate was produced from glucose by Escherichia coli BW25113 that contained formate dehydrogenase (FDH) from Mycobacterium vaccae. In aerobic shake-flask culture (K (L) a = 4.9 min(-1)), the recombinant strain produced 6.7 g pyruvate l(-1) after 24 h with 4 g sodium formate l(-1) and a yield of 0.34 g pyruvate g glucose(-1). These values were higher than those of the original strain (0.2 g l(-1) pyruvate and 0.02 g pyruvate g glucose(-1)). Based on the reaction mechanism of FDH, the introduction of FDH into E. coli enhances the accumulation of pyruvate by the regeneration of NADH from NAD(+) since NAD(+) is a shared cosubstrate with the pyruvate dehydrogenase complex, which decarboxylates pyruvate to acetyl-CoA and CO(2). The oxygenation level was enough high to inactivate lactate dehydrogenase, which was of benefit to pyruvate accumulation without lactate as a by-product.
Collapse
Affiliation(s)
- Yoshihiro Ojima
- Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | | | | | | |
Collapse
|
45
|
Suryadarma P, Ojima Y, Tsuchida K, Taya M. Design of Escherichia coli Cell Culture for Regulating Alanine Production under Aerobic Conditions. JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 2012. [DOI: 10.1252/jcej.12we083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Prayoga Suryadarma
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University
| | - Yoshihiro Ojima
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University
| | - Kazuki Tsuchida
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University
| | - Masahito Taya
- Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University
| |
Collapse
|
46
|
Yano S, Haruta H, Ikeda T, Kikuchi T, Murakami M, Moriguchi M, Wakayama M. Engineering the substrate specificity of Alcaligenes d-aminoacylase useful for the production of d-amino acids by optical resolution. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:3247-52. [DOI: 10.1016/j.jchromb.2011.03.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Revised: 03/14/2011] [Accepted: 03/17/2011] [Indexed: 10/18/2022]
|
47
|
Ricca E, Brucher B, Schrittwieser JH. Multi-Enzymatic Cascade Reactions: Overview and Perspectives. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100256] [Citation(s) in RCA: 374] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
|
48
|
Richter N, Neumann M, Liese A, Wohlgemuth R, Weckbecker A, Eggert T, Hummel W. Characterization of a whole-cell catalyst co-expressing glycerol dehydrogenase and glucose dehydrogenase and its application in the synthesis of L-glyceraldehyde. Biotechnol Bioeng 2010; 106:541-52. [PMID: 20198657 DOI: 10.1002/bit.22714] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A whole-cell catalyst using Escherichia coli BL21(DE3) as a host, co-expressing glycerol dehydrogenase (GlyDH) from Gluconobacter oxydans and glucose dehydrogenase (GDH) from Bacillus subtilis for cofactor regeneration, has been successfully constructed and used for the reduction of aliphatic aldehydes, such as hexanal or glyceraldehyde to the corresponding alcohols. This catalyst was characterized in terms of growth conditions, temperature and pH dependency, and regarding the influence of external cofactor and permeabilization. In the case of external cofactor addition we found a 4.6-fold increase in reaction rate caused by the addition of 1 mM NADP(+). Due to the fact that pH and temperature are also factors which may affect the reaction rate, their effect on the whole-cell catalyst was studied as well. Comparative studies between the whole-cell catalyst and the cell-free system were investigated. Furthermore, the successful application of the whole-cell catalyst in repetitive batch conversions could be demonstrated in the present study. Since the GlyDH was recently characterized and successfully applied in the kinetic resolution of racemic glyceraldehyde, we were now able to transfer and establish the process to a whole-cell system, which facilitated the access to L-glyceraldehyde in high enantioselectivity at 54% conversion. All in all, the whole-cell catalyst shows several advantages over the cell-free system like a higher thermal, a similar operational stability and the ability to recycle the catalyst without any loss-of-activity. The results obtained making the described whole-cell catalyst an improved catalyst for a more efficient production of enantiopure L-glyceraldehyde.
Collapse
Affiliation(s)
- Nina Richter
- Evocatal GmbH, Merowingerplatz 1a, 40225 Düsseldorf, Germany
| | | | | | | | | | | | | |
Collapse
|
49
|
Xiao Z, Lv C, Gao C, Qin J, Ma C, Liu Z, Liu P, Li L, Xu P. A novel whole-cell biocatalyst with NAD+ regeneration for production of chiral chemicals. PLoS One 2010; 5:e8860. [PMID: 20126645 PMCID: PMC2811184 DOI: 10.1371/journal.pone.0008860] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2009] [Accepted: 12/31/2009] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The high costs of pyridine nucleotide cofactors have limited the applications of NAD(P)-dependent oxidoreductases on an industrial scale. Although NAD(P)H regeneration systems have been widely studied, NAD(P)(+) regeneration, which is required in reactions where the oxidized form of the cofactor is used, has been less well explored, particularly in whole-cell biocatalytic processes. METHODOLOGY/PRINCIPAL FINDINGS Simultaneous overexpression of an NAD(+) dependent enzyme and an NAD(+) regenerating enzyme (H(2)O producing NADH oxidase from Lactobacillus brevis) in a whole-cell biocatalyst was studied for application in the NAD(+)-dependent oxidation system. The whole-cell biocatalyst with (2R,3R)-2,3-butanediol dehydrogenase as the catalyzing enzyme was used to produce (3R)-acetoin, (3S)-acetoin and (2S,3S)-2,3-butanediol. CONCLUSIONS/SIGNIFICANCE A recombinant strain, in which an NAD(+) regeneration enzyme was coexpressed, displayed significantly higher biocatalytic efficiency in terms of the production of chiral acetoin and (2S,3S)-2,3-butanediol. The application of this coexpression system to the production of other chiral chemicals could be extended by using different NAD(P)-dependent dehydrogenases that require NAD(P)(+) for catalysis.
Collapse
Affiliation(s)
- Zijun Xiao
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Chuanjuan Lv
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Chao Gao
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Jiayang Qin
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Cuiqing Ma
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Zhen Liu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Peihai Liu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Lixiang Li
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
| | - Ping Xu
- State Key Laboratory of Microbial Technology, Shandong University, Jinan, People's Republic of China
- MOE Key Laboratory of Microbial Metabolism and School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| |
Collapse
|
50
|
Zhi W, Shouwen C, Lifang R, Ming S, Ziniu Y. A fundamental regulatory role of formate on thuringiensin production by resting cell of Bacillus thuringiensis YBT-032. Bioprocess Biosyst Eng 2009; 30:225-9. [PMID: 17387519 DOI: 10.1007/s00449-007-0118-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2007] [Accepted: 02/06/2007] [Indexed: 11/26/2022]
Abstract
In this work, a fundamental regulatory role of formate on thuringiensin production by resting cell of Bacillus thuringiensis YBT-032 was investigated. Nicotinamide adenine dinucleotide (NADH) production and formate dehydrogenase activity increased with formate addition from 0.5 to 2.0 g/L, respectively. However, with the formate addition of 1.5 g/L, the activities of pyruvate kinase and glucose 6-phosphate dehydrogenase reached a peak and increased by 316 and 150% relative to those of the control, respectively. In addition, intracellular production of pyruvate, aspartate, citrate and adenine were significantly enhanced by 75, 66, 32 and 78% as well. An improvement (90%) of thuringiensin production was also successfully obtained. Interestingly to point out, thuringiensin yield was closely correlative with adenine production, and the linear relationship was also observed. The results suggest that appropriate formate addition did act as a modulator and facilitate carbon flux in glycolysis and pentose phosphate pathway to synthesize adenine and thuringiensin via intracellular NADH availability.
Collapse
Affiliation(s)
- Wang Zhi
- National Engineering Research Center for Microbial Pesticides, State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | | | | | | | | |
Collapse
|