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Fan X, Zhai S, Xue S, Zhi L. Enzyme Immobilization using Covalent Organic Frameworks: From Synthetic Strategy to COFs Functional Role. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39072501 DOI: 10.1021/acsami.4c06556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Enzymes, a class of biocatalysts, exhibit remarkable catalytic efficiency, specificity, and selectivity, governing many reactions that are essential for various cascades within living cells. The immobilization of structurally flexible enzymes on appropriate supports holds significant importance in facilitating biomimetic transformations in extracellular environments. Covalent organic frameworks (COFs) have emerged as ideal candidates for enzyme immobilization due to high surface tunability, diverse chemical/structural designs, exceptional stability, and metal-free nature. Various immobilization techniques have been proposed to fabricate COF-enzyme biocomposites, offering significant enhancements in activity and reusability for COF-immobilized enzymes as well as new insights into developing advanced enzyme-based applications. In this review, we provide a comprehensive overview of state-of-the-art strategies for immobilizing enzymes within COFs by focusing on their applicability and versatility. These strategies are systematically summarized and compared by categorizing them into postsynthesis immobilization and in situ immobilization, where their respective strengths and limitations are thoroughly discussed. Combined with an overview of critical emerging applications, we further elucidate the multifaceted roles of COFs in enzyme immobilization and subsequent applications, highlighting the advanced biofunctionality achievable through COFs.
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Affiliation(s)
- Xiying Fan
- Research Center on Advanced Chemical Engineering and Energy Materials, China University of Petroleum (East China), Qingdao 266580, P. R. China
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189, Songling Road, Qingdao 266101, China
- Shandong Energy Institute, No. 189, Songling Road, Qingdao 266101, China
- Qingdao New Energy Shandong Laboratory, No. 189, Songling Road, Qingdao 266101, China
| | - Shibo Zhai
- Research Center on Advanced Chemical Engineering and Energy Materials, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Song Xue
- Research Center on Advanced Chemical Engineering and Energy Materials, China University of Petroleum (East China), Qingdao 266580, P. R. China
| | - Linjie Zhi
- Research Center on Advanced Chemical Engineering and Energy Materials, China University of Petroleum (East China), Qingdao 266580, P. R. China
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Feng J, Huang QY, Zhang C, Ramakrishna S, Dong YB. Review of covalent organic frameworks for enzyme immobilization: Strategies, applications, and prospects. Int J Biol Macromol 2023; 248:125729. [PMID: 37422245 DOI: 10.1016/j.ijbiomac.2023.125729] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
Efficient enzyme immobilization systems offer a promising approach for improving enzyme stability and recyclability, reducing enzyme contamination in products, and expanding the applications of enzymes in the biomedical field. Covalent organic frameworks (COFs) possess high surface areas, ordered channels, optional building blocks, highly tunable porosity, stable mechanical properties, and abundant functional groups, making them ideal candidates for enzyme immobilization. Various COF-enzyme composites have been successfully synthesized, with performances that surpass those of free enzymes in numerous ways. This review aims to provide an overview of current enzyme immobilization strategies using COFs, highlighting the characteristics of each method and recent research applications. The future opportunities and challenges of enzyme immobilization technology using COFs are also discussed.
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Affiliation(s)
- Jie Feng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China; Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, 117574 Singapore, Singapore
| | - Qing-Yun Huang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China
| | - Ce Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China
| | - Seeram Ramakrishna
- Centre for Nanotechnology and Sustainability, Department of Mechanical Engineering, National University of Singapore, 117574 Singapore, Singapore.
| | - Yu-Bin Dong
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China.
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Dong W, Wang K, Zhao L, Li T, Wang Q, Ding Z. Selective immobilization of his-tagged phosphomannose isomerase on Ni chelated nanoparticles with good reusability and activity. Chembiochem 2021; 23:e202100497. [PMID: 34958513 DOI: 10.1002/cbic.202100497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/02/2021] [Indexed: 11/06/2022]
Abstract
In this paper, self-stable precipitation polymerization was used to prepare the enzyme-immobilized microsphere composite. Phosphomannose isomerase (PMI) with His-tag was successfully immobilized on Ni 2+ charged pyridine-derived particles. The maximum amount of PMI immobilized on such particles was ~ 184 mg/g. Compared with the free enzymes, the activity of the immobilized enzymes has been significantly improved. In addition, the immoblized enzymes showed a much better thermostability than free enzymes. At the same time, the immobilized enzymes can be reused for multiple reaction cycles. We have observed that the enzyme activity did not decrease significantly after 6 cycles of repeating usages. We conclude that the pyridine-derived particles can be used to selectively immobilize His-tagged enzymes, which can couple the enzyme purification and catalysis steps and improve the efficiency of enzyme-catalyzed industrial processes.
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Affiliation(s)
- Weifu Dong
- Jiangnan University, School of Chemical and Material Engineering, Lihu Road 1800, 214122, Wuxi, CHINA
| | - Kangjing Wang
- Jiangnan University, school of chemical and material engineering, CHINA
| | - Liting Zhao
- Jiangnan University, School of Biotechnology, CHINA
| | - Ting Li
- Jiangnan University, school of chemical and material engineering, CHINA
| | - Qian Wang
- University of South Carolina, Chemistry and Biochemistry, UNITED STATES
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Ariaeenejad S, Kavousi K, Maleki M, Motamedi E, Moosavi-Movahedi AA, Hosseini Salekdeh G. Application of free and immobilized novel bifunctional biocatalyst in biotransformation of recalcitrant lignocellulosic biomass. CHEMOSPHERE 2021; 285:131412. [PMID: 34329139 DOI: 10.1016/j.chemosphere.2021.131412] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 04/25/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Herein, an innovative, green, and practical biocatalyst was developed using conjugation of a novel bifunctional mannanase/xylanase biocatalyst (PersiManXyn1) to the modified cellulose nanocrystals (CNCs). Firstly, PersiManXyn1 was multi-stage in-silico screened from rumen macrobiota, and then cloned, expressed, and purified. Next, CNCs were synthesized from sugar beet pulp using enzymatic and acid hydrolysis processes, and then Fe3O4 NPs were anchored on their surface to produce magnetic CNCs (MCNCs). This hybrid was modified by dopamine providing DA/MCNCs nano-carrier. The bifunctional PersiManXyn1 demonstrated the superior hydrolysis activity on corn cob compared with the monofunctional xylanase enzyme (PersiXyn2). Moreover, the immobilization of PersiManXyn1 on the nano-carrier resulted in an improvement of the thermal stability, kinetic parameters (Kcat), and storage stability of the enzyme. Incorporation of the Fe3O4 NPs on the CNCs made magnetic nano-carrier with high magnetization value (25.8 emu/g) which exhibited rapid response toward the external magnetic fields. Hence, the immobilized biocatalyst could be easily separated from the products by a magnet, and reused up to 8 cycles with maintaining more than 50% of its original activity. The immobilized PersiManXyn1 generated 22.2%, 38.7%, and 35.1% more reducing sugars after 168 h hydrolysis of the sugar beet pulp, coffee waste, and rice straw, respectively, compared to the free enzyme. Based on the results, immobilization of the bifunctional PersiManXyn1 exhibited the superb performance of the enzyme to improve the conversion of the lignocellulosic wastes into high value products and develop the cost-competition biomass operations.
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Affiliation(s)
- Shohreh Ariaeenejad
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Kaveh Kavousi
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Morteza Maleki
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
| | | | - Ghasem Hosseini Salekdeh
- Department of Systems and synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran; Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia.
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