1
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Hooe SL, Green CM, Susumu K, Stewart MH, Breger JC, Medintz IL. Optimizing the conversion of phosphoenolpyruvate to lactate by enzymatic channeling with mixed nanoparticle display. CELL REPORTS METHODS 2024; 4:100764. [PMID: 38714198 PMCID: PMC11133815 DOI: 10.1016/j.crmeth.2024.100764] [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: 11/26/2023] [Revised: 02/19/2024] [Accepted: 04/12/2024] [Indexed: 05/09/2024]
Abstract
Co-assembling enzymes with nanoparticles (NPs) into nanoclusters allows them to access channeling, a highly efficient form of multienzyme catalysis. Using pyruvate kinase (PykA) and lactate dehydrogenase (LDH) to convert phosphoenolpyruvic acid to lactic acid with semiconductor quantum dots (QDs) confirms how enzyme cluster formation dictates the rate of coupled catalytic flux (kflux) across a series of differentially sized/shaped QDs and 2D nanoplatelets (NPLs). Enzyme kinetics and coupled flux were used to demonstrate that by mixing different NP systems into clusters, a >10× improvement in kflux is observed relative to free enzymes, which is also ≥2× greater than enhancement on individual NPs. Cluster formation was characterized with gel electrophoresis and transmission electron microscopy (TEM) imaging. The generalizability of this mixed-NP approach to improving flux is confirmed by application to a seven-enzyme system. This represents a powerful approach for accessing channeling with almost any choice of enzymes constituting a multienzyme cascade.
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Affiliation(s)
- Shelby L Hooe
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC 20375, USA
| | - Christopher M Green
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC 20375, USA
| | - Kimihiro Susumu
- Optical Sciences Division Code 5611, U.S. Naval Research Laboratory, Washington, DC 20375, USA
| | - Michael H Stewart
- Optical Sciences Division Code 5611, U.S. Naval Research Laboratory, Washington, DC 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC 20375, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC 20375, USA.
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2
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Ushasree MV, Jia Q, Do SG, Lee EY. New opportunities and perspectives on biosynthesis and bioactivities of secondary metabolites from Aloe vera. Biotechnol Adv 2024; 72:108325. [PMID: 38395206 DOI: 10.1016/j.biotechadv.2024.108325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/10/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024]
Abstract
Historically, the genus Aloe has been an indispensable part of both traditional and modern medicine. Decades of intensive research have unveiled the major bioactive secondary metabolites of this plant. Recent pandemic outbreaks have revitalized curiosity in aloe metabolites, as they have proven pharmacokinetic profiles and repurposable chemical space. However, the structural complexity of these metabolites has hindered scientific advances in the chemical synthesis of these compounds. Multi-omics research interventions have transformed aloe research by providing insights into the biosynthesis of many of these compounds, for example, aloesone, aloenin, noreugenin, aloin, saponins, and carotenoids. Here, we summarize the biological activities of major aloe secondary metabolites with a focus on their mechanism of action. We also highlight the recent advances in decoding the aloe metabolite biosynthetic pathways and enzymatic machinery linked with these pathways. Proof-of-concept studies on in vitro, whole-cell, and microbial synthesis of aloe compounds have also been briefed. Research initiatives on the structural modification of various aloe metabolites to expand their chemical space and activity are detailed. Further, the technological limitations, patent status, and prospects of aloe secondary metabolites in biomedicine have been discussed.
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Affiliation(s)
- Mrudulakumari Vasudevan Ushasree
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea
| | - Qi Jia
- Unigen, Inc., 2121 South street suite 400 Tacoma, Washington 98405, USA
| | - Seon Gil Do
- Naturetech, Inc., 29-8, Yongjeong-gil, Chopyeong-myeon, Jincheon-gun, Chungcheongbuk-do 27858, Republic of Korea
| | - Eun Yeol Lee
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin-si, Gyeonggi-do 17104, Republic of Korea.
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3
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Brachi M, El Housseini W, Beaver K, Jadhav R, Dantanarayana A, Boucher DG, Minteer SD. Advanced Electroanalysis for Electrosynthesis. ACS ORGANIC & INORGANIC AU 2024; 4:141-187. [PMID: 38585515 PMCID: PMC10995937 DOI: 10.1021/acsorginorgau.3c00051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/03/2023] [Accepted: 11/06/2023] [Indexed: 04/09/2024]
Abstract
Electrosynthesis is a popular, environmentally friendly substitute for conventional organic methods. It involves using charge transfer to stimulate chemical reactions through the application of a potential or current between two electrodes. In addition to electrode materials and the type of reactor employed, the strategies for controlling potential and current have an impact on the yields, product distribution, and reaction mechanism. In this Review, recent advances related to electroanalysis applied in electrosynthesis were discussed. The first part of this study acts as a guide that emphasizes the foundations of electrosynthesis. These essentials include instrumentation, electrode selection, cell design, and electrosynthesis methodologies. Then, advances in electroanalytical techniques applied in organic, enzymatic, and microbial electrosynthesis are illustrated with specific cases studied in recent literature. To conclude, a discussion of future possibilities that intend to advance the academic and industrial areas is presented.
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Affiliation(s)
- Monica Brachi
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Wassim El Housseini
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Kevin Beaver
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Rohit Jadhav
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Ashwini Dantanarayana
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Dylan G. Boucher
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
| | - Shelley D. Minteer
- Department
of Chemistry, University of Utah, Salt Lake City, Utah 84112 United States
- Kummer
Institute Center for Resource Sustainability, Missouri University of Science and Technology, Rolla, Missouri 65409, United States
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4
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Hamal EK, Alfassi G, Antonenko M, Rein DM, Cohen Y. Cellulose-coated emulsion micro-particles self-assemble with yeasts for cellulose bio-conversion. Sci Rep 2024; 14:5499. [PMID: 38448579 PMCID: PMC10918086 DOI: 10.1038/s41598-024-56204-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 03/04/2024] [Indexed: 03/08/2024] Open
Abstract
In the quest for alternative renewable energy sources, a new self-assembled hybrid configuration of cellulose-coated oil-in-water emulsion particles with yeast was formed. In this research, the addition of yeasts (S. cerevisiae) to the micro-particle emulsion revealed a novel self-assembly configuration in which the yeast cell is connected to surrounding cellulose-coated micro-particles. This hybrid configuration may enhance the simultaneous saccharification and fermentation process by substrate channeling. Glucose produced by hydrolysis of the cellulose shells coating the micro-particles, catalyzed by cellulytic enzymes attached to their coating, is directly fermented to ethanol by the yeasts to which the particles are connected. The results indicate ethanol yield of 62%, based on the cellulose content of the emulsion, achieved by the yeast/micro-particle hybrids. The functionality of this hybrid configuration is expected to serve as a micro-reactor for a cascade of biochemical reactions in a "one-pot" consolidated process transforming cellulose to valuable chemicals, such as biodiesel.
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Affiliation(s)
- Ester Korkus Hamal
- Department of Chemical Engineering, Technion - Israel Institute of Technology, 3200003, Haifa, Israel.
| | - Gilad Alfassi
- Department of Biotechnology Engineering, Braude College of Engineering, Karmiel, Israel
| | - Margarita Antonenko
- Department of Chemical Engineering, Technion - Israel Institute of Technology, 3200003, Haifa, Israel
| | - Dmitry M Rein
- Department of Chemical Engineering, Technion - Israel Institute of Technology, 3200003, Haifa, Israel
| | - Yachin Cohen
- Department of Chemical Engineering, Technion - Israel Institute of Technology, 3200003, Haifa, Israel
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5
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Sator C, Lico C, Pannucci E, Marchetti L, Baschieri S, Warzecha H, Santi L. Plant-Produced Viral Nanoparticles as a Functionalized Catalytic Support for Metabolic Engineering. PLANTS (BASEL, SWITZERLAND) 2024; 13:503. [PMID: 38498408 PMCID: PMC10893517 DOI: 10.3390/plants13040503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 03/20/2024]
Abstract
Substrate channeling could be very useful for plant metabolic engineering; hence, we propose that functionalized supramolecular self-assembly scaffolds can act as enzymatic hubs able to perform reactions in close contiguity. Virus nanoparticles (VNPs) offer an opportunity in this context, and we present a functionalization strategy to display different enzymes on the outer surface of three different VNPs produced in plants. Tomato bushy stunt virus (TBSV) and Potato virus X (PVX) plant viruses were functionalized by the genetic fusion of the E-coil peptide coding sequence to their respective coat proteins genes, while the enzyme lichenase was tagged with the K-coil peptide. Immobilized E-coil VNPs were able to interact in vitro with the plant-produced functionalized lichenase, and catalysis was demonstrated by employing a lichenase assay. To prove this concept in planta, the Hepatitis B core (HBc) virus-like particles (VLPs) were similarly functionalized by genetic fusion with the E-coil sequence, while acyl-activating enzyme 1, olivetolic acid synthase, and olivetolic acid cyclase enzymes were tagged with the K-coil. The transient co-expression of the K-coil-enzymes together with E-coil-VLPs allowed the establishment of the heterologous cannabinoid precursor biosynthetic pathway. Noteworthy, a significantly higher yield of olivetolic acid glucoside was achieved when the scaffold E-coil-VLPs were employed.
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Affiliation(s)
- Christian Sator
- Plant Biotechnology and Metabolic Engineering, Technical University of Darmstadt, Schnittspahnstrasse 4, 65287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 65287 Darmstadt, Germany
| | - Chiara Lico
- Laboratory of Biotechnologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy; (C.L.); (S.B.)
| | - Elisa Pannucci
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy; (E.P.); (L.M.); (L.S.)
| | - Luca Marchetti
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy; (E.P.); (L.M.); (L.S.)
- Laboratory of Biomedical Technologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy
| | - Selene Baschieri
- Laboratory of Biotechnologies, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, ENEA, Casaccia Research Center, Via Anguillarese 301, 00123 Rome, Italy; (C.L.); (S.B.)
| | - Heribert Warzecha
- Plant Biotechnology and Metabolic Engineering, Technical University of Darmstadt, Schnittspahnstrasse 4, 65287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 65287 Darmstadt, Germany
| | - Luca Santi
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo De Lellis, 01100 Viterbo, Italy; (E.P.); (L.M.); (L.S.)
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6
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Hooe SL, Smith AD, Dean SN, Breger JC, Ellis GA, Medintz IL. Multienzymatic Cascades and Nanomaterial Scaffolding-A Potential Way Forward for the Efficient Biosynthesis of Novel Chemical Products. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309963. [PMID: 37944537 DOI: 10.1002/adma.202309963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 10/25/2023] [Indexed: 11/12/2023]
Abstract
Synthetic biology is touted as the next industrial revolution as it promises access to greener biocatalytic syntheses to replace many industrial organic chemistries. Here, it is shown to what synthetic biology can offer in the form of multienzyme cascades for the synthesis of the most basic of new materials-chemicals, including especially designer chemical products and their analogs. Since achieving this is predicated on dramatically expanding the chemical space that enzymes access, such chemistry will probably be undertaken in cell-free or minimalist formats to overcome the inherent toxicity of non-natural substrates to living cells. Laying out relevant aspects that need to be considered in the design of multi-enzymatic cascades for these purposes is begun. Representative multienzymatic cascades are critically reviewed, which have been specifically developed for the synthesis of compounds that have either been made only by traditional organic synthesis along with those cascades utilized for novel compound syntheses. Lastly, an overview of strategies that look toward exploiting bio/nanomaterials for accessing channeling and other nanoscale materials phenomena in vitro to direct novel enzymatic biosynthesis and improve catalytic efficiency is provided. Finally, a perspective on what is needed for this field to develop in the short and long term is presented.
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Affiliation(s)
- Shelby L Hooe
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
- National Research Council, Washington, DC, 20001, USA
| | - Aaron D Smith
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Scott N Dean
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Gregory A Ellis
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering Code 6900, U.S. Naval Research Laboratory, Washington, DC, 20375, USA
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7
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Du B, Sun M, Hui W, Xie C, Xu X. Recent Advances on Key Enzymes of Microbial Origin in the Lycopene Biosynthesis Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:12927-12942. [PMID: 37609695 DOI: 10.1021/acs.jafc.3c03942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Lycopene is a common carotenoid found mainly in ripe red fruits and vegetables that is widely used in the food industry due to its characteristic color and health benefits. Microbial synthesis of lycopene is gradually replacing the traditional methods of plant extraction and chemical synthesis as a more economical and productive manufacturing strategy. The biosynthesis of lycopene is a typical multienzyme cascade reaction, and it is important to understand the characteristics of each key enzyme involved and how they are regulated. In this paper, the catalytic characteristics of the key enzymes involved in the lycopene biosynthesis pathway and related studies are first discussed in detail. Then, the strategies applied to the key enzymes of lycopene synthesis, including fusion proteins, enzyme screening, combinatorial engineering, CRISPR/Cas9-based gene editing, DNA assembly, and scaffolding technologies are purposefully illustrated and compared in terms of both traditional and emerging multienzyme regulatory strategies. Finally, future developments and regulatory options for multienzyme synthesis of lycopene and similar secondary metabolites are also discussed.
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Affiliation(s)
- Bangmian Du
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, Jiangsu Province, China
| | - Mengjuan Sun
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, Jiangsu Province, China
| | - Wenyang Hui
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, Jiangsu Province, China
| | - Chengjia Xie
- School of Chemical Engineering, Yangzhou Polytechnic Institute, Yangzhou 225127, Jiangsu Province, China
| | - Xian Xu
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210046, Jiangsu Province, China
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8
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Tan Z, Li J, Hou J, Gonzalez R. Designing artificial pathways for improving chemical production. Biotechnol Adv 2023; 64:108119. [PMID: 36764336 DOI: 10.1016/j.biotechadv.2023.108119] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 02/01/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023]
Abstract
Metabolic engineering exploits manipulation of catalytic and regulatory elements to improve a specific function of the host cell, often the synthesis of interesting chemicals. Although naturally occurring pathways are significant resources for metabolic engineering, these pathways are frequently inefficient and suffer from a series of inherent drawbacks. Designing artificial pathways in a rational manner provides a promising alternative for chemicals production. However, the entry barrier of designing artificial pathway is relatively high, which requires researchers a comprehensive and deep understanding of physical, chemical and biological principles. On the other hand, the designed artificial pathways frequently suffer from low efficiencies, which impair their further applications in host cells. Here, we illustrate the concept and basic workflow of retrobiosynthesis in designing artificial pathways, as well as the most currently used methods including the knowledge- and computer-based approaches. Then, we discuss how to obtain desired enzymes for novel biochemistries, and how to trim the initially designed artificial pathways for further improving their functionalities. Finally, we summarize the current applications of artificial pathways from feedstocks utilization to various products synthesis, as well as our future perspectives on designing artificial pathways.
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Affiliation(s)
- Zaigao Tan
- State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China; School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China; Department of Bioengineering, Shanghai Jiao Tong University, Shanghai, China.
| | - Jian Li
- State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai, China; School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China; Department of Bioengineering, Shanghai Jiao Tong University, Shanghai, China
| | - Jin Hou
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, China
| | - Ramon Gonzalez
- Department of Chemical, Biological, and Materials Engineering, University of South Florida, Tampa, FL, USA.
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9
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Dudko D, Milker S, Holtmann D, Buchhaupt M. Identification of vitamin B 12 producing bacteria based on the presence of bluB/cobT2 homologues. Biotechnol Lett 2023; 45:563-572. [PMID: 36913101 PMCID: PMC10038948 DOI: 10.1007/s10529-023-03362-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 02/15/2023] [Accepted: 02/23/2023] [Indexed: 03/14/2023]
Abstract
OBJECTIVES The objective of the study was to develop a strategy for the identification of new vitamin B12-producing species and to characterize their production capability using a fast and sensitive LC-MS/MS method developed in this study. RESULTS Searching for homologues of the bluB/cobT2 fusion gene known to be responsible for the production of the active vitamin B12 form in P. freudenreichii was shown to be a successful strategy for the identification of new vitamin B12-producing strains. The analysis of the identified strains via LC-MS/MS showed the ability of Terrabacter sp. DSM102553, Yimella lutea DSM19828 and Calidifontibacter indicus DSM22967 to produce the active form of vitamin B12. Further analysis of vitamin B12 production capability of Terrabacter sp. DSM102553 in M9 minimal medium and peptone-based media revealed that the highest yield of 2.65 µg of vitamin B12 per g dry cell weight was obtained in M9 medium. CONCLUSIONS The proposed strategy enabled identification of Terrabacter sp. DSM102553, whose relatively high yields obtained in the minimal medium open new perspectives for the possible application of the strain for biotechnological vitamin B12 production.
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Affiliation(s)
- Darya Dudko
- Microbial Biotechnology, DECHEMA Research Institute, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany
- Faculty Biology and Chemistry, Justus-Liebig-Universität Gießen, Ludwigstraße 23, 35390, Gießen, Germany
| | - Sofia Milker
- Microbial Biotechnology, DECHEMA Research Institute, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany
| | - Dirk Holtmann
- Microbial Biotechnology, DECHEMA Research Institute, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Wiesenstrasse 14, 35390, Gießen, Germany
| | - Markus Buchhaupt
- Microbial Biotechnology, DECHEMA Research Institute, Theodor-Heuss-Allee 25, 60486, Frankfurt am Main, Germany.
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10
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Breger JC, Vranish JN, Oh E, Stewart MH, Susumu K, Lasarte-Aragonés G, Ellis GA, Walper SA, Díaz SA, Hooe SL, Klein WP, Thakur M, Ancona MG, Medintz IL. Self assembling nanoparticle enzyme clusters provide access to substrate channeling in multienzymatic cascades. Nat Commun 2023; 14:1757. [PMID: 36990995 PMCID: PMC10060375 DOI: 10.1038/s41467-023-37255-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 03/08/2023] [Indexed: 03/31/2023] Open
Abstract
Access to efficient enzymatic channeling is desired for improving all manner of designer biocatalysis. We demonstrate that enzymes constituting a multistep cascade can self-assemble with nanoparticle scaffolds into nanoclusters that access substrate channeling and improve catalytic flux by orders of magnitude. Utilizing saccharification and glycolytic enzymes with quantum dots (QDs) as a model system, nanoclustered-cascades incorporating from 4 to 10 enzymatic steps are prototyped. Along with confirming channeling using classical experiments, its efficiency is enhanced several fold more by optimizing enzymatic stoichiometry with numerical simulations, switching from spherical QDs to 2-D planar nanoplatelets, and by ordering the enzyme assembly. Detailed analyses characterize assembly formation and clarify structure-function properties. For extended cascades with unfavorable kinetics, channeled activity is maintained by splitting at a critical step, purifying end-product from the upstream sub-cascade, and feeding it as a concentrated substrate to the downstream sub-cascade. Generalized applicability is verified by extending to assemblies incorporating other hard and soft nanoparticles. Such self-assembled biocatalytic nanoclusters offer many benefits towards enabling minimalist cell-free synthetic biology.
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Affiliation(s)
- Joyce C Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - James N Vranish
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- Department of Chemistry, Engineering, and Physics, Franciscan University of Steubenville, Steubenville, OH, 43952, USA
| | - Eunkeu Oh
- Optical Sciences Division, Code 5611, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Michael H Stewart
- Optical Sciences Division, Code 5611, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Kimihiro Susumu
- Optical Sciences Division, Code 5611, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Guillermo Lasarte-Aragonés
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- College of Science, George Mason University, Fairfax, VA, 22030, USA
| | - Gregory A Ellis
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Scott A Walper
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Sebastián A Díaz
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Shelby L Hooe
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- National Research Council, Washington, D.C., 20001, USA
| | - William P Klein
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- National Research Council, Washington, D.C., 20001, USA
| | - Meghna Thakur
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- College of Science, George Mason University, Fairfax, VA, 22030, USA
| | - Mario G Ancona
- Electronic Science and Technology Division, Code 6800, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
- Department of Electrical and Computer Engineering, Florida State University, Tallahassee, FL, 32310, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA.
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11
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Abstract
The P450 superfamily comprises some of the most powerful and versatile enzymes for the site-selective oxidation of small molecules. One of the main drawbacks for the applications of the P450s in biotechnology is that the majority of these enzymes is multicomponent in nature and requires the presence of suitable redox partners to support their functions. Nevertheless, the discovery of several self-sufficient P450s, namely those from Classes VII and VIII, has served as an inspiration for fusion approaches to generate chimeric P450 systems that are self-sufficient. In this Perspective, we highlight the domain organizations of the Class VII and Class VIII P450 systems, summarize recent case studies in the engineering of catalytically self-sufficient P450s based on these systems, and outline outstanding challenges in the field, along with several emerging technologies as potential solutions.
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Affiliation(s)
- Hans Renata
- Department of Chemistry, BioScience Research Collaborative, Rice University, Houston, TX, 77005
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12
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Volk MJ, Tran VG, Tan SI, Mishra S, Fatma Z, Boob A, Li H, Xue P, Martin TA, Zhao H. Metabolic Engineering: Methodologies and Applications. Chem Rev 2022; 123:5521-5570. [PMID: 36584306 DOI: 10.1021/acs.chemrev.2c00403] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Metabolic engineering aims to improve the production of economically valuable molecules through the genetic manipulation of microbial metabolism. While the discipline is a little over 30 years old, advancements in metabolic engineering have given way to industrial-level molecule production benefitting multiple industries such as chemical, agriculture, food, pharmaceutical, and energy industries. This review describes the design, build, test, and learn steps necessary for leading a successful metabolic engineering campaign. Moreover, we highlight major applications of metabolic engineering, including synthesizing chemicals and fuels, broadening substrate utilization, and improving host robustness with a focus on specific case studies. Finally, we conclude with a discussion on perspectives and future challenges related to metabolic engineering.
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Affiliation(s)
- Michael J Volk
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Vinh G Tran
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Shih-I Tan
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
| | - Shekhar Mishra
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Zia Fatma
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Aashutosh Boob
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Hongxiang Li
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Pu Xue
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Teresa A Martin
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Huimin Zhao
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,DOE Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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13
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Hirschi S, Ward TR, Meier WP, Müller DJ, Fotiadis D. Synthetic Biology: Bottom-Up Assembly of Molecular Systems. Chem Rev 2022; 122:16294-16328. [PMID: 36179355 DOI: 10.1021/acs.chemrev.2c00339] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The bottom-up assembly of biological and chemical components opens exciting opportunities to engineer artificial vesicular systems for applications with previously unmet requirements. The modular combination of scaffolds and functional building blocks enables the engineering of complex systems with biomimetic or new-to-nature functionalities. Inspired by the compartmentalized organization of cells and organelles, lipid or polymer vesicles are widely used as model membrane systems to investigate the translocation of solutes and the transduction of signals by membrane proteins. The bottom-up assembly and functionalization of such artificial compartments enables full control over their composition and can thus provide specifically optimized environments for synthetic biological processes. This review aims to inspire future endeavors by providing a diverse toolbox of molecular modules, engineering methodologies, and different approaches to assemble artificial vesicular systems. Important technical and practical aspects are addressed and selected applications are presented, highlighting particular achievements and limitations of the bottom-up approach. Complementing the cutting-edge technological achievements, fundamental aspects are also discussed to cater to the inherently diverse background of the target audience, which results from the interdisciplinary nature of synthetic biology. The engineering of proteins as functional modules and the use of lipids and block copolymers as scaffold modules for the assembly of functionalized vesicular systems are explored in detail. Particular emphasis is placed on ensuring the controlled assembly of these components into increasingly complex vesicular systems. Finally, all descriptions are presented in the greater context of engineering valuable synthetic biological systems for applications in biocatalysis, biosensing, bioremediation, or targeted drug delivery.
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Affiliation(s)
- Stephan Hirschi
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bühlstrasse 28, 3012 Bern, Switzerland.,Molecular Systems Engineering, National Centre of Competence in Research (NCCR), 4002 Basel, Switzerland
| | - Thomas R Ward
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland.,Molecular Systems Engineering, National Centre of Competence in Research (NCCR), 4002 Basel, Switzerland
| | - Wolfgang P Meier
- Department of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland.,Molecular Systems Engineering, National Centre of Competence in Research (NCCR), 4002 Basel, Switzerland
| | - Daniel J Müller
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, 4058 Basel, Switzerland.,Molecular Systems Engineering, National Centre of Competence in Research (NCCR), 4002 Basel, Switzerland
| | - Dimitrios Fotiadis
- Institute of Biochemistry and Molecular Medicine, University of Bern, Bühlstrasse 28, 3012 Bern, Switzerland.,Molecular Systems Engineering, National Centre of Competence in Research (NCCR), 4002 Basel, Switzerland
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14
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Dynamic assembly and biocatalysis-selected gelation endow self-compartmentalized multienzyme superactivity. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1330-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Sánchez-deAlcázar D, Rodriguez-Abetxuko A, Beloqui A. Metal-Organic Enzyme Nanogels as Nanointegrated Self-Reporting Chemobiosensors. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27589-27598. [PMID: 35673709 PMCID: PMC9227723 DOI: 10.1021/acsami.2c04385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/25/2022] [Indexed: 05/26/2023]
Abstract
A fluorometric glucose biosensor based on fine-tuned chemoenzymatic nanohybrids is herein proposed. The successful integration of an engineered glucose oxidase enzyme and an optically responsive polymeric nanogel in a single entity has led to the fabrication of a highly efficient glucose chemobiosensor. The optical responsiveness has been achieved by the loading of preactivated polymeric hydrogel with fluorescent lanthanide, i.e., cerium (III), cations. A comprehensive investigation of the responsiveness of the biomaterial revealed the interplay between the oxidation state of the cerium lanthanide and the fluorescence emission of the polymer. Finally, a full structural, chemical, and biochemical characterization of the reported system supports the chemobiosensors as robust, specific, and sensitive materials that could be utilized to faithfully quantify the amount of glucose in tear fluids.
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Affiliation(s)
- Daniel Sánchez-deAlcázar
- POLYMAT
and Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country UPV/EHU, E-20018 Donostia-San
Sebastián, Spain
| | - Andoni Rodriguez-Abetxuko
- CIC
nanoGUNE, Basque Research and Technology Alliance (BRTA), Tolosa Hiribidea 76, E-20018 Donostia-San Sebastián, Spain
| | - Ana Beloqui
- POLYMAT
and Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country UPV/EHU, E-20018 Donostia-San
Sebastián, Spain
- IKERBASQUE,
Basque Foundation for Science, Plaza Euskadi 5, E-48009 Bilbao, Spain
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16
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Wied P, Carraro F, Bolivar JM, Doonan CJ, Falcaro P, Nidetzky B. Combining a Genetically Engineered Oxidase with Hydrogen-Bonded Organic Frameworks (HOFs) for Highly Efficient Biocomposites. Angew Chem Int Ed Engl 2022; 61:e202117345. [PMID: 35038217 PMCID: PMC9305891 DOI: 10.1002/anie.202117345] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Indexed: 12/16/2022]
Abstract
Enzymes incorporated into hydrogen‐bonded organic frameworks (HOFs) via bottom‐up synthesis are promising biocomposites for applications in catalysis and sensing. Here, we explored synthetic incorporation of d‐amino acid oxidase (DAAO) with the metal‐free tetraamidine/tetracarboxylate‐based BioHOF‐1 in water. N‐terminal enzyme fusion with the positively charged module Zbasic2 strongly boosted the loading (2.5‐fold; ≈500 mg enzyme gmaterial−1) and the specific activity (6.5‐fold; 23 U mg−1). The DAAO@BioHOF‐1 composites showed superior activity with respect to every reported carrier for the same enzyme and excellent stability during catalyst recycling. Further, extension to other enzymes, including cytochrome P450 BM3 (used in the production of high‐value oxyfunctionalized compounds), points to the versatility of genetic engineering as a strategy for the preparation of biohybrid systems with unprecedented properties.
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Affiliation(s)
- Peter Wied
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, Petersgasse 12/1, 8010, Graz, Austria.,Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/Z2, 8010, Graz, Austria
| | - Francesco Carraro
- Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/Z2, 8010, Graz, Austria
| | - Juan M Bolivar
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, Petersgasse 12/1, 8010, Graz, Austria
| | - Christian J Doonan
- Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Paolo Falcaro
- Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/Z2, 8010, Graz, Austria
| | - Bernd Nidetzky
- Institute of Biotechnology and Biochemical Engineering, Graz University of Technology, Petersgasse 12/1, 8010, Graz, Austria
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17
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Wied P, Carraro F, Bolivar JM, Doonan CJ, Falcaro P, Nidetzky B. Combining Genetically Engineered Oxidase with Hydrogen Bonded Organic Framework (HOF) for Highly Efficient Biocomposites. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Peter Wied
- Graz University of Technology: Technische Universitat Graz Biotechnology and Biochemical Engineering AUSTRIA
| | - Francesco Carraro
- Graz University of Technology: Technische Universitat Graz Physical Chemistry AUSTRIA
| | - Juan M. Bolivar
- Complutense University of Madrid: Universidad Complutense de Madrid Biochemical Engineering SPAIN
| | - Christian J. Doonan
- University of Adelaide Press: The University of Adelaide Chemistry AUSTRALIA
| | - Paolo Falcaro
- Graz University of Technology: Technische Universitat Graz Physical Chemistry AUSTRIA
| | - Bernd Nidetzky
- Biotechnology and Biochemical Engineering Graz University of Technology Petersgasse 12 8010 Graz AUSTRIA
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