1
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Lu C, Wijffels RH, Martins Dos Santos VAP, Weusthuis RA. Pseudomonas putida as a platform for medium-chain length α,ω-diol production: Opportunities and challenges. Microb Biotechnol 2024; 17:e14423. [PMID: 38528784 DOI: 10.1111/1751-7915.14423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 03/27/2024] Open
Abstract
Medium-chain-length α,ω-diols (mcl-diols) play an important role in polymer production, traditionally depending on energy-intensive chemical processes. Microbial cell factories offer an alternative, but conventional strains like Escherichia coli and Saccharomyces cerevisiae face challenges in mcl-diol production due to the toxicity of intermediates such as alcohols and acids. Metabolic engineering and synthetic biology enable the engineering of non-model strains for such purposes with P. putida emerging as a promising microbial platform. This study reviews the advancement in diol production using P. putida and proposes a four-module approach for the sustainable production of diols. Despite progress, challenges persist, and this study discusses current obstacles and future opportunities for leveraging P. putida as a microbial cell factory for mcl-diol production. Furthermore, this study highlights the potential of using P. putida as an efficient chassis for diol synthesis.
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Affiliation(s)
- Chunzhe Lu
- Bioprocess Engineering, Wageningen University & Research, Wageningen, The Netherlands
- Groningen Biomolecular Sciences & Biotechnology Institute, University of Groningen, Groningen, The Netherlands
| | - Rene H Wijffels
- Bioprocess Engineering, Wageningen University & Research, Wageningen, The Netherlands
- Faculty of Biosciences and Aquaculture, Nord University, Bodø, Norway
| | - Vitor A P Martins Dos Santos
- Bioprocess Engineering, Wageningen University & Research, Wageningen, The Netherlands
- Lifeglimmer GmbH, Berlin, Germany
| | - Ruud A Weusthuis
- Bioprocess Engineering, Wageningen University & Research, Wageningen, The Netherlands
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2
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Meng D, Liu M, Su H, Song H, Chen L, Li Q, Liu YN, Zhu Z, Liu W, Sheng X, You C, Zhang YHPJ. Coenzyme Engineering of Glucose-6-phosphate Dehydrogenase on a Nicotinamide-Based Biomimic and Its Application as a Glucose Biosensor. ACS Catal 2023. [DOI: 10.1021/acscatal.2c04707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Dongdong Meng
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
| | - Meixia Liu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China
| | - Hao Su
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- National Center of Technology Innovation for Synthetic Biology, Tianjin 300308, People’s Republic of China
| | - Haiyan Song
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
| | - Lijie Chen
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Bioengineering, Tianjin University of Science and Technology, Tianjin 300453, People’s Republic of China
| | - Qiangzi Li
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China
| | - Ya-nan Liu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
| | - Zhiguang Zhu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
| | - Weidong Liu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
| | - Xiang Sheng
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China
- National Center of Technology Innovation for Synthetic Biology, Tianjin 300308, People’s Republic of China
| | - Chun You
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China
- National Center of Technology Innovation for Synthetic Biology, Tianjin 300308, People’s Republic of China
| | - Yi-Heng P. Job Zhang
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
- in vitro Synthetic Biology Center, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, People’s Republic of China
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3
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King E, Maxel S, Zhang Y, Kenney KC, Cui Y, Luu E, Siegel JB, Weiss GA, Luo R, Li H. Orthogonal glycolytic pathway enables directed evolution of noncanonical cofactor oxidase. Nat Commun 2022; 13:7282. [PMID: 36435948 PMCID: PMC9701214 DOI: 10.1038/s41467-022-35021-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 11/15/2022] [Indexed: 11/28/2022] Open
Abstract
Noncanonical cofactor biomimetics (NCBs) such as nicotinamide mononucleotide (NMN+) provide enhanced scalability for biomanufacturing. However, engineering enzymes to accept NCBs is difficult. Here, we establish a growth selection platform to evolve enzymes to utilize NMN+-based reducing power. This is based on an orthogonal, NMN+-dependent glycolytic pathway in Escherichia coli which can be coupled to any reciprocal enzyme to recycle the ensuing reduced NMN+. With a throughput of >106 variants per iteration, the growth selection discovers a Lactobacillus pentosus NADH oxidase variant with ~10-fold increase in NMNH catalytic efficiency and enhanced activity for other NCBs. Molecular modeling and experimental validation suggest that instead of directly contacting NCBs, the mutations optimize the enzyme's global conformational dynamics to resemble the WT with the native cofactor bound. Restoring the enzyme's access to catalytically competent conformation states via deep navigation of protein sequence space with high-throughput evolution provides a universal route to engineer NCB-dependent enzymes.
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Affiliation(s)
- Edward King
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, 92697, USA
| | - Sarah Maxel
- Department Chemical and Biomolecular Engineering University of California Irvine, Irvine, CA, 92697, USA
| | - Yulai Zhang
- Department Chemical and Biomolecular Engineering University of California Irvine, Irvine, CA, 92697, USA
| | - Karissa C Kenney
- Department of Chemistry, University of California Irvine, Irvine, CA, 92697, USA
| | - Youtian Cui
- Genome Center, University of California Davis, Davis, CA, 95616, USA
| | - Emma Luu
- Genome Center, University of California Davis, Davis, CA, 95616, USA
| | - Justin B Siegel
- Genome Center, University of California Davis, Davis, CA, 95616, USA
- Department of Chemistry, Molecular Medicine University of California, Davis, Davis, CA, USA
- Department of Biochemistry and Molecular Medicine University of California, Davis, Davis, CA, USA
| | - Gregory A Weiss
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, 92697, USA
- Department of Chemistry, University of California Irvine, Irvine, CA, 92697, USA
- Department of Pharmaceutical Sciences, University of California Irvine, Irvine, CA, 92697, USA
| | - Ray Luo
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA, 92697, USA
- Department Chemical and Biomolecular Engineering University of California Irvine, Irvine, CA, 92697, USA
- Department Materials Science and Engineering, University of California Irvine, Irvine, CA, 92697, USA
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, 92697, USA
| | - Han Li
- Department Chemical and Biomolecular Engineering University of California Irvine, Irvine, CA, 92697, USA.
- Department of Biomedical Engineering, University of California Irvine, Irvine, CA, 92697, USA.
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4
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Orsi E, Claassens NJ, Nikel PI, Lindner SN. Optimizing microbial networks through metabolic bypasses. Biotechnol Adv 2022; 60:108035. [PMID: 36096403 DOI: 10.1016/j.biotechadv.2022.108035] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 01/29/2023]
Abstract
Metabolism has long been considered as a relatively stiff set of biochemical reactions. This somewhat outdated and dogmatic view has been challenged over the last years, as multiple studies exposed unprecedented plasticity of metabolism by exploring rational and evolutionary modifications within the metabolic network of cell factories. Of particular importance is the emergence of metabolic bypasses, which consist of enzymatic reaction(s) that support unnatural connections between metabolic nodes. Such novel topologies can be generated through the introduction of heterologous enzymes or by upregulating native enzymes (sometimes relying on promiscuous activities thereof). Altogether, the adoption of bypasses resulted in an expansion in the capacity of the host's metabolic network, which can be harnessed for bioproduction. In this review, we discuss modifications to the canonical architecture of central carbon metabolism derived from such bypasses towards six optimization purposes: stoichiometric gain, overcoming kinetic limitations, solving thermodynamic barriers, circumventing toxic intermediates, uncoupling product synthesis from biomass formation, and altering redox cofactor specificity. The metabolic costs associated with bypass-implementation are likewise discussed, including tailoring their design towards improving bioproduction.
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Affiliation(s)
- Enrico Orsi
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany; The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark.
| | - Nico J Claassens
- Laboratory of Microbiology, Wageningen University, Stippeneng 4, 6708 WE Wageningen, the Netherlands
| | - Pablo I Nikel
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | - Steffen N Lindner
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam-Golm, Germany; Department of Biochemistry, Charité Universitätsmedizin, Virchowweg 6, 10117 Berlin, Germany.
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5
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Lechner H, Oberdorfer G. Derivatives of natural organocatalytic cofactors and artificial organocatalytic cofactors as catalysts in enzymes. Chembiochem 2022; 23:e202100599. [PMID: 35302276 PMCID: PMC9401024 DOI: 10.1002/cbic.202100599] [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: 10/31/2021] [Revised: 03/14/2022] [Indexed: 11/11/2022]
Abstract
Catalytically active non-metal cofactors in enzymes carry out a variety of different reactions. The efforts to develop derivatives of natural occurring cofactors such as flavins or pyridoxal phosphate and the advances to design new, non-natural cofactors are reviewed here. We report the status quo for enzymes harboring organocatalysts as derivatives of natural cofactors or as artificial ones and their application in the asymmetric synthesis of various compounds.
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Affiliation(s)
- Horst Lechner
- Graz University of Technology: Technische Universitat Graz, Institute of Biochemistry, Petersgasse 12/2, 8010, Graz, AUSTRIA
| | - Gustav Oberdorfer
- Graz University of Technology: Technische Universitat Graz, Institute of Biochemistry, Petersgasse 12/2, 8010, Graz, AUSTRIA
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6
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Wang J, Guo X, Wan L, Liu Y, Xue H, Zhao ZK. Engineering formaldehyde dehydrogenase from Pseudomonas putida to favor nicotinamide cytosine dinucleotide. Chembiochem 2022; 23:e202100697. [PMID: 35146861 DOI: 10.1002/cbic.202100697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/09/2022] [Indexed: 11/05/2022]
Abstract
The enzyme formaldehyde dehydrogenase (FalDH) from Pseudomonas putida is of particular interest for biotechnological applications as it catalyses the oxidation of formaldehyde independent of glutathione. However, the consumption of a stoichiometric amount of nicotinamide adenine dinucleotide (NAD) can be challenging at the metabolic level as this may affect many other NAD-linked processes. A potential solution is to engineer FalDH to utilize non-natural cofactors. Here we devised FalDH variants to favor nicotinamide cytosine dinucleotide (NCD) by structure-guided modification of the binding pocket for the adenine moiety of NAD. Several mutants were obtained and the best one FalDH 9B2 had over 150-fold higher preference for NCD than NAD. Molecular docking analysis indicated that the cofactor binding pocket shrinked to better fit NCD, a smaller-sized cofactor. FalDH 9B2 together with other NCD-linked enzymes offer opportunities to assemble orthogonal pathways for biological conversion of C1 molecules.
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Affiliation(s)
- Junting Wang
- Dalian Institute of Chemical Physics, Laboratory of Biotechnology, CHINA
| | - Xiaojia Guo
- Dalian Institute of Chemical Physics, Laboratory of Biotechnology, CHINA
| | - Li Wan
- Dalian Institute of Chemical Physics, Laboratory of Biotechnology, CHINA
| | - Yuxue Liu
- Dalian Institute of Chemical Physics, Laboratory of Biotechnology, CHINA
| | - Haizhao Xue
- Dalian Institute of Chemical Physics, Laboratory of Biotechnology, CHINA
| | - Zongbao Kent Zhao
- Dalian Institute of Chemical Physics, Division of Biotechnology, 457 Zhongshan Road, 116023, Dalian, CHINA
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7
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Zachos I, Genth R, Sutiono S, Marczynski M, Lieleg O, Sieber V. Hot Flows: Evolving an Archaeal Glucose Dehydrogenase for Ultrastable Carba-NADP+ Using Microfluidics at Elevated Temperatures. ACS Catal 2022. [DOI: 10.1021/acscatal.1c04320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Ioannis Zachos
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, Straubing 94315, Germany
| | - Robert Genth
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, Straubing 94315, Germany
| | - Samuel Sutiono
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, Straubing 94315, Germany
| | - Matthias Marczynski
- TUM School of Engineering and Design, Department of Materials Engineering, Technical University of Munich, Boltzmannstraße 15, Garching 85748, Germany
- Center for Functional Protein Assemblies, Technical University of Munich, Ernst-Otto-Fischer Straße 8, Garching 85748, Germany
| | - Oliver Lieleg
- TUM School of Engineering and Design, Department of Materials Engineering, Technical University of Munich, Boltzmannstraße 15, Garching 85748, Germany
- Center for Functional Protein Assemblies, Technical University of Munich, Ernst-Otto-Fischer Straße 8, Garching 85748, Germany
| | - Volker Sieber
- Chair of Chemistry of Biogenic Resources, Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Schulgasse 16, Straubing 94315, Germany
- Catalytic Research Center, Technical University of Munich, Ernst-Otto-Fischer-Straße 1, Garching 85748, Germany
- SynBiofoundry@TUM, Technical University of Munich, Straubing 94315, Germany
- School of Chemistry and Molecular Biosciences, The University of Queensland, 68 Copper Road, St. Lucia 4072, Australia
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8
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Wan L, Wang X, Hu Y, Li Q, Zhao ZK. Gram-scale biocatalytic preparation of the non-natural cofactor nicotinamide cytosine dinucleotide. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2021.153568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Li Q, Liu W, Zhao ZK. Synthesis of proteogenic amino acid-based NAD analogs. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Folch PL, Bisschops MM, Weusthuis RA. Metabolic energy conservation for fermentative product formation. Microb Biotechnol 2021; 14:829-858. [PMID: 33438829 PMCID: PMC8085960 DOI: 10.1111/1751-7915.13746] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 12/02/2022] Open
Abstract
Microbial production of bulk chemicals and biofuels from carbohydrates competes with low-cost fossil-based production. To limit production costs, high titres, productivities and especially high yields are required. This necessitates metabolic networks involved in product formation to be redox-neutral and conserve metabolic energy to sustain growth and maintenance. Here, we review the mechanisms available to conserve energy and to prevent unnecessary energy expenditure. First, an overview of ATP production in existing sugar-based fermentation processes is presented. Substrate-level phosphorylation (SLP) and the involved kinase reactions are described. Based on the thermodynamics of these reactions, we explore whether other kinase-catalysed reactions can be applied for SLP. Generation of ion-motive force is another means to conserve metabolic energy. We provide examples how its generation is supported by carbon-carbon double bond reduction, decarboxylation and electron transfer between redox cofactors. In a wider perspective, the relationship between redox potential and energy conservation is discussed. We describe how the energy input required for coenzyme A (CoA) and CO2 binding can be reduced by applying CoA-transferases and transcarboxylases. The transport of sugars and fermentation products may require metabolic energy input, but alternative transport systems can be used to minimize this. Finally, we show that energy contained in glycosidic bonds and the phosphate-phosphate bond of pyrophosphate can be conserved. This review can be used as a reference to design energetically efficient microbial cell factories and enhance product yield.
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Affiliation(s)
- Pauline L. Folch
- Bioprocess EngineeringWageningen University & ResearchPost office box 16Wageningen6700 AAThe Netherlands
| | - Markus M.M. Bisschops
- Bioprocess EngineeringWageningen University & ResearchPost office box 16Wageningen6700 AAThe Netherlands
| | - Ruud A. Weusthuis
- Bioprocess EngineeringWageningen University & ResearchPost office box 16Wageningen6700 AAThe Netherlands
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11
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Wang X, Feng Y, Guo X, Wang Q, Ning S, Li Q, Wang J, Wang L, Zhao ZK. Creating enzymes and self-sufficient cells for biosynthesis of the non-natural cofactor nicotinamide cytosine dinucleotide. Nat Commun 2021; 12:2116. [PMID: 33837188 PMCID: PMC8035330 DOI: 10.1038/s41467-021-22357-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/10/2021] [Indexed: 12/27/2022] Open
Abstract
Nicotinamide adenine dinucleotide (NAD) and its reduced form are indispensable cofactors in life. Diverse NAD mimics have been developed for applications in chemical and biological sciences. Nicotinamide cytosine dinucleotide (NCD) has emerged as a non-natural cofactor to mediate redox transformations, while cells are fed with chemically synthesized NCD. Here, we create NCD synthetase (NcdS) by reprograming the substrate binding pockets of nicotinic acid mononucleotide (NaMN) adenylyltransferase to favor cytidine triphosphate and nicotinamide mononucleotide over their regular substrates ATP and NaMN, respectively. Overexpression of NcdS alone in the model host Escherichia coli facilitated intracellular production of NCD, and higher NCD levels up to 5.0 mM were achieved upon further pathway regulation. Finally, the non-natural cofactor self-sufficiency was confirmed by mediating an NCD-linked metabolic circuit to convert L-malate into D-lactate. NcdS together with NCD-linked enzymes offer unique tools and opportunities for intriguing studies in chemical biology and synthetic biology.
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Affiliation(s)
- Xueying Wang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Yanbin Feng
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Xiaojia Guo
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Qian Wang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Siyang Ning
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Qing Li
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- University of Chinese Academy of Sciences, Beijing, PR China
| | - Junting Wang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
- University of Chinese Academy of Sciences, Beijing, PR China
| | - Lei Wang
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China
| | - Zongbao K Zhao
- Laboratory of Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China.
- Dalian Key Laboratory of Energy Biotechnology, Dalian Institute of Chemical Physics, CAS, Dalian, PR China.
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, CAS, Dalian, PR China.
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