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Wang Y, Wan Z, Zhu Y, Hu H, Jiang Y, Jiang W, Zhang W, Xin F. Enhanced 1,3-propanediol production with high yield from glycerol through a novel Klebsiella-Shewanella co-culture. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2023; 16:50. [PMID: 36964595 PMCID: PMC10039557 DOI: 10.1186/s13068-023-02304-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 03/15/2023] [Indexed: 03/26/2023]
Abstract
BACKGROUND 1,3-Propanediol (1,3-PDO) is a platform compound, which has been widely used in food, pharmaceutical and cosmetic industries. Compared with chemical methods, the biological synthesis of 1,3-PDO has shown promising applications owing to its mild conditions and environmental friendliness. However, the biological synthesis of 1,3-PDO still has the problem of low titer and yield due to the shortage of reducing powers. RESULTS In this study, Klebsiella sp. strain YT7 was successfully isolated, which can synthesize 11.30 g/L of 1,3-PDO from glycerol in flasks. The intracellular redox regulation strategy based on the addition of electron mediators can increase the 1,3-PDO titer to 28.01 g/L. Furthermore, a co-culturing system consisting of strain YT7 and Shewanella oneidensis MR-1 was established, which can eliminate the supplementation of exogenous electron mediators and reduce the by-products accumulation. The 1,3-PDO yield reached 0.44 g/g and the final titer reached 62.90 g/L. The increased titer and yield were attributed to the increased redox levels and the consumption of by-products. CONCLUSIONS A two-bacterium co-culture system with Klebsiella sp. strain YT7 and S. oneidensis strain MR-1 was established, which realized the substitution of exogenous electron mediators and the reduction of by-product accumulation. Results provided theoretical basis for the high titer of 1,3-PDO production with low by-product concentration.
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Affiliation(s)
- Yanxia Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, 211800, People's Republic of China
| | - Zijian Wan
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China
| | - Yueting Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China
| | - Haibo Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China
| | - Yujia Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China
| | - Wankui Jiang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China.
| | - Wenming Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China.
- Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211800, People's Republic of China.
| | - Fengxue Xin
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Puzhu South Road 30#, Nanjing, 211800, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing, 211800, People's Republic of China
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Chang S, He X, Li B, Pan X. Improved Bio-Synthesis of 2,5-bis(hydroxymethyl)furan by Burkholderia contaminans NJPI-15 With Co-substrate. Front Chem 2021; 9:635191. [PMID: 33634077 PMCID: PMC7901908 DOI: 10.3389/fchem.2021.635191] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/07/2021] [Indexed: 11/25/2022] Open
Abstract
Upgrading of biomass derived 5-hydroxymethylfurfural (HMF) has attracted considerable interest recently. A new highly HMF-tolerant strain of Burkholderia contaminans NJPI-15 was isolated in this study, and the biocatalytic reduction of HMF into 2,5-bis(hydroxymethyl)furan (BHMF) using whole cells was reported. Co-substrate was applied to improve the BHMF yield and selectivity of this strain as well as HMF-tolerant level. The catalytic capacity of the cells can be substantially improved by Mn2+ ion. The strain exhibited good catalytic performance at a pH range of 6.0–9.0 and a temperature range of 25°C–35°C. In addition, 100 mM HMF could be reduced to BHMF by the B. contaminans NJPI-15 resting cells in presence of 70 mM glutamine and 30 mM sucrose, with a yield of 95%. In the fed-batch strategy, 656 mM BHMF was obtained within 48 h, giving a yield of 93.7%. The reported utilization of HMF to produce BHMF is a promising industrially sound biocatalytic process.
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Affiliation(s)
- Siyuan Chang
- School of Biology and Environment, Nanjing Polytechnic Institute, Nanjing, China
| | - Xuejun He
- School of Biology and Environment, Nanjing Polytechnic Institute, Nanjing, China
| | - Bingfeng Li
- School of Biology and Environment, Nanjing Polytechnic Institute, Nanjing, China
| | - Xin Pan
- Department of Cardiology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
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Development of biocompatible DES/NADES as co-solvents for efficient biosynthesis of chiral alcohols. Bioprocess Biosyst Eng 2020; 43:1987-1997. [DOI: 10.1007/s00449-020-02387-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 06/01/2020] [Indexed: 12/27/2022]
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Tee KL, Xu JH, Wong TS. Protein engineering for bioreduction of carboxylic acids. J Biotechnol 2019; 303:53-64. [PMID: 31325477 DOI: 10.1016/j.jbiotec.2019.07.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/01/2019] [Accepted: 07/01/2019] [Indexed: 02/07/2023]
Abstract
Carboxylic acids (CAs) are widespread in Nature. A prominent example is fatty acids, a major constituent of lipids. CAs are potentially economical precursors for bio-based products such as bio-aldehydes and bio-alcohols. However, carboxylate reduction is a challenging chemical transformation due to the thermodynamic stability of carboxylate. Carboxylic acid reductases (CARs), found in bacteria and fungi, offer a good solution to this challenge. These enzymes catalyse the NADPH- and ATP-dependent reduction of aliphatic and aromatic CAs. This review summarised all the protein engineering work that has been done on these versatile biocatalysts to date. The intricate catalytic mechanism and structure of CARs prompted us to first examine their domain architecture to facilitate the subsequent discussion of various protein engineering strategies. This then led to a survey of assays to detect aldehyde formation and to monitor aldenylation activity. Strategies for NADPH and ATP regeneration were also incorporated, as they are deemed vital to developing preparative-scale biocatalytic process and high-throughput screening systems. The objectives of the review are to consolidate CAR engineering research, stimulate interest, discussion or debate, and advance the field of bioreduction.
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Affiliation(s)
- Kang Lan Tee
- Department of Chemical & Biological Engineering and Advanced Biomanufacturing Centre, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, United Kingdom
| | - Jian-He Xu
- Laboratory of Biocatalysis and Bioprocessing, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, PR China
| | - Tuck Seng Wong
- Department of Chemical & Biological Engineering and Advanced Biomanufacturing Centre, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, United Kingdom.
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Dai Y, Huan B, Zhang HS, He YC. Effective Biotransformation of Ethyl 4-Chloro-3-Oxobutanoate into Ethyl (S)-4-Chloro-3-Hydroxybutanoate by Recombinant E. coli CCZU-T15 Whole Cells in [ChCl][Gly]–Water Media. Appl Biochem Biotechnol 2016; 181:1347-1359. [DOI: 10.1007/s12010-016-2288-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Accepted: 10/10/2016] [Indexed: 10/20/2022]
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He YC, Tao ZC, Ding Y, Zhang DP, Wu YQ, Lu Y, Liu F, Xue YF, Wang C, Xu JH. Effective biosynthesis of ethyl (R)-4-chloro-3-hydroxybutanoate by supplementation of l-glutamine, d-xylose and β-cyclodextrin in n-butyl acetate–water media. J Biotechnol 2015; 203:62-7. [DOI: 10.1016/j.jbiotec.2015.03.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2015] [Revised: 03/15/2015] [Accepted: 03/19/2015] [Indexed: 10/23/2022]
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He YC, Zhang DP, Tao ZC, Lu Y, Ding Y, Liu F, Zhu ZZ, Rui H, Zheng GW, Zhang X. Improved biosynthesis of ethyl (S)-4-chloro-3-hydroxybutanoate by adding L-glutamine plus glycine instead of NAD+ in β-cyclodextrin-water system. BIORESOURCE TECHNOLOGY 2015; 182:98-102. [PMID: 25682229 DOI: 10.1016/j.biortech.2015.01.111] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 01/25/2015] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
To reduce dependence on the expensive cofactor and effectively biotransform ethyl 4-chloro-3-oxobutanoate, L-glutamine and glycine were found to enhance the content of intracellular NADH and the reductase activity. Adding the mixture of 200 mM of L-glutamine and 500 mM of glycine to the reaction media, a 1.67-fold of reductase activity was increased over the control without the addition of the two compounds. Moreover, β-cyclodextrin (0.4 mol β-cyclodextrin/mol ethyl 4-chloro-3-oxobutanoate) was also added into this reaction media, and the biocatalytic activity of the whole-cell biocatalyst of Escherichia coli CCZU-K14 was increased by 1.34-fold than that without β-cyclodextrin. In this β-cyclodextrin-water media containing L-glutamine (200 mM) plus glycine (500 mM), ethyl (S)-4-chloro-3-hydroxybutanoate (>99% ee) could be obtained from 3000 mM ethyl 4-chloro-3-oxobutanoate in the yield of 98.0% after 8h. All the positive features demonstrate the potential applicability of the bioprocess for the large-scale production of ethyl (S)-4-chloro-3-hydroxybutanoate.
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Affiliation(s)
- Yu-Cai He
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China.
| | - Dan-Ping Zhang
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Zhi-Cheng Tao
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Yun Lu
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Yun Ding
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Feng Liu
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Zheng-Zhong Zhu
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Huan Rui
- Laboratory of Biochemical Engineering, College of Pharmaceutical Engineering and Life Sciences, Changzhou University, Changzhou, China
| | - Gao-Wei Zheng
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Xian Zhang
- Department of Bioengineering, Rice University, Houston, TX, USA
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Enhancement of bioelectricity generation by cofactor manipulation in microbial fuel cell. Biosens Bioelectron 2014; 56:19-25. [PMID: 24445069 DOI: 10.1016/j.bios.2013.12.058] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 11/25/2013] [Accepted: 12/09/2013] [Indexed: 11/21/2022]
Abstract
Microbial fuel cells (MFCs) are promising for harnessing bioenergy from various organic wastes. However, low electricity power output (EPT) is one of the major bottlenecks in the practical application of MFCs. In this study, EPT improvement by cofactor manipulation was explored in the Pseudomonas aeruginosa-inoculated MFCs. By overexpression of nadE (NAD synthetase gene), the availability of the intracellular cofactor pool (NAD(H/(+))) significantly increased, and delivered approximately three times higher power output than the original strain (increased from 10.86 μW/cm(2) to 40.13 μW/cm(2)). The nadE overexpression strain showed about a onefold decrease in charge transfer resistance and higher electrochemical activity than the original strain, which should underlie the power output improvement. Furthermore, cyclic voltammetry, HPLC, and LC-MS analysis showed that the concentration of the electron shuttle (pyocyanin) increased approximately 1.5 fold upon nadE overexpression, which was responsible for the enhanced electrochemical activity. Thus, the results substantiated that the manipulation of intracellular cofactor could be an efficient approach to improve the EPT of MFCs, and implied metabolic engineering is of great potential for EPT improvement.
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Wang Y, San KY, Bennett GN. Cofactor engineering for advancing chemical biotechnology. Curr Opin Biotechnol 2013; 24:994-9. [PMID: 23611567 DOI: 10.1016/j.copbio.2013.03.022] [Citation(s) in RCA: 114] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Revised: 03/21/2013] [Accepted: 03/22/2013] [Indexed: 11/26/2022]
Abstract
Cofactors provide redox carriers for biosynthetic reactions, catabolic reactions and act as important agents in transfer of energy for the cell. Recent advances in manipulating cofactors include culture conditions or additive alterations, genetic modification of host pathways for increased availability of desired cofactor, changes in enzyme cofactor specificity, and introduction of novel redox partners to form effective circuits for biochemical processes and biocatalysts. Genetic strategies to employ ferredoxin, NADH and NADPH most effectively in natural or novel pathways have improved yield and efficiency of large-scale processes for fuels and chemicals and have been demonstrated with a variety of microbial organisms.
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Affiliation(s)
- Yipeng Wang
- Department of Biochemistry and Cell Biology, Rice University, Houston, TX 77005, USA
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