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Jaiswal S, Singh B, Dhingra I, Joshi A, Kodgire P. Bioremediation and bioscavenging for elimination of organophosphorus threats: An approach using enzymatic advancements. ENVIRONMENTAL RESEARCH 2024; 252:118888. [PMID: 38599448 DOI: 10.1016/j.envres.2024.118888] [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: 11/24/2023] [Revised: 02/06/2024] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
Organophosphorus compounds (OP) are highly toxic pesticides and nerve agents widely used in agriculture and chemical warfare. The extensive use of these chemicals has severe environmental implications, such as contamination of soil, water bodies, and food chains, thus endangering ecosystems and biodiversity. Plants absorb pesticide residues, which then enter the food chain and accumulate in the body fat of both humans and animals. Numerous human cases of OP poisoning have been linked to both acute and long-term exposure to these toxic OP compounds. These compounds inhibit the action of the acetylcholinesterase enzyme (AChE) by phosphorylation, which prevents the breakdown of acetylcholine (ACh) neurotransmitter into choline and acetate. Thus, it becomes vital to cleanse the environment from these chemicals utilizing various physical, chemical, and biological methods. Biological methods encompassing bioremediation using immobilized microbes and enzymes have emerged as environment-friendly and cost-effective approaches for pesticide removal. Cell/enzyme immobilized systems offer higher stability, reusability, and ease of product recovery, making them ideal tools for OP bioremediation. Interestingly, enzymatic bioscavengers (stoichiometric, pseudo-catalytic, and catalytic) play a vital role in detoxifying pesticides from the human body. Catalytic bioscavenging enzymes such as Organophosphate Hydrolase, Organophosphorus acid anhydrolase, and Paraoxonase 1 show high degradation efficiency within the animal body as well as in the environment. Moreover, these enzymes can also be employed to decontaminate pesticides from food, ensuring food safety and thus minimizing human exposure. This review aims to provide insights to potential collaborators in research organizations, government bodies, and industries to bring advancements in the field of bioremediation and bioscavenging technologies for the mitigation of OP-induced health hazards.
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Affiliation(s)
- Surbhi Jaiswal
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India
| | - Brijeshwar Singh
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India
| | - Isha Dhingra
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India
| | - Abhijeet Joshi
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India.
| | - Prashant Kodgire
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Simrol, Khandwa Road, Indore, 453552, India.
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2
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Scheibel DM, Gitsov IPI, Gitsov I. Enzymes in "Green" Synthetic Chemistry: Laccase and Lipase. Molecules 2024; 29:989. [PMID: 38474502 DOI: 10.3390/molecules29050989] [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: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Enzymes play an important role in numerous natural processes and are increasingly being utilized as environmentally friendly substitutes and alternatives to many common catalysts. Their essential advantages are high catalytic efficiency, substrate specificity, minimal formation of byproducts, and low energy demand. All of these benefits make enzymes highly desirable targets of academic research and industrial development. This review has the modest aim of briefly overviewing the classification, mechanism of action, basic kinetics and reaction condition effects that are common across all six enzyme classes. Special attention is devoted to immobilization strategies as the main tools to improve the resistance to environmental stress factors (temperature, pH and solvents) and prolong the catalytic lifecycle of these biocatalysts. The advantages and drawbacks of methods such as macromolecular crosslinking, solid scaffold carriers, entrapment, and surface modification (covalent and physical) are discussed and illustrated using numerous examples. Among the hundreds and possibly thousands of known and recently discovered enzymes, hydrolases and oxidoreductases are distinguished by their relative availability, stability, and wide use in synthetic applications, which include pharmaceutics, food and beverage treatments, environmental clean-up, and polymerizations. Two representatives of those groups-laccase (an oxidoreductase) and lipase (a hydrolase)-are discussed at length, including their structure, catalytic mechanism, and diverse usage. Objective representation of the current status and emerging trends are provided in the main conclusions.
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Affiliation(s)
- Dieter M Scheibel
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
| | - Ioan Pavel Ivanov Gitsov
- Science and Technology, Medtronic Incorporated, 710 Medtronic Parkway, Minneapolis, MN 55432, USA
| | - Ivan Gitsov
- Department of Chemistry, State University of New York-ESF, Syracuse, NY 13210, USA
- The Michael M. Szwarc Polymer Research Institute, Syracuse, NY 13210, USA
- Biomedical and Chemical Engineering Department, Syracuse University, Syracuse, NY 13210, USA
- BioInspired Institute, Syracuse, NY 13210, USA
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3
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Wu Y, Sun Y. Cationic Polymers Remarkably Boost Haloalkane Dehalogenase Activity in Organic Solvent Solutions and the Molecular Implications. Molecules 2023; 28:6795. [PMID: 37836637 PMCID: PMC10574148 DOI: 10.3390/molecules28196795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/22/2023] [Accepted: 09/23/2023] [Indexed: 10/15/2023] Open
Abstract
Applications of haloalkane dehalogenase DhaA in biocatalysis are limited by its unfavorable performance in organic solvents. Our previous work proved that mutations of surface positive-charged residues enhanced the organic solvent resistance of DhaA, which inspired us to explore the effect of cationic polymers on DhaA in organic solvents. Remarkably boosted performance was achieved in different organic solvent solutions by introducing cationic polymers, for example, there was a 6.1-fold activity increase with poly(allylamine hydrochloride) and a 5.5-fold activity increase with poly(ethylene imine) in 40 vol.% dimethylsulfoxide. The presence of cationic polymers protected DhaA from damage by organic solvents and increased the substrate concentration around the enzyme-polymer complex. Fluorescence spectroscopy and molecular dynamics simulations revealed that the binding of cationic polymers onto DhaA weakened the interactions between organic solvents and DhaA, decreased the organic solvent solvation level around DhaA, and enhanced the structural stability of DhaA in organic solvents. This comprehensive understanding of the effect of cationic polymers on DhaA can help to broaden the applications of DhaA in organic solvent-involved biocatalysis.
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Affiliation(s)
- Yin Wu
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
| | - Yan Sun
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
- Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
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4
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Chen J, Guo Z, Xin Y, Gu Z, Zhang L, Guo X. Effective remediation and decontamination of organophosphorus compounds using enzymes: From rational design to potential applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 867:161510. [PMID: 36632903 DOI: 10.1016/j.scitotenv.2023.161510] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Organophosphorus compounds (OPs) have been widely used in agriculture for decades because of their high insecticidal efficiency, which maintains and increases crop yields worldwide. More importantly, OPs, as typical chemical warfare agents, are a serious concern and significant danger for military and civilian personnel. The widespread use of OPs, superfluous and unreasonable use, has caused great harm to the environment and food chain. Developing efficient and environmentally friendly solutions for the decontamination of OPs is a long-term challenge. Microbial enzymes show potential application as natural and green biocatalysts. Thus, utilizing OP-degrading enzymes for environmental decontamination presents significant advantages, as these enzymes can rapidly hydrolyze OPs; are environmentally friendly, nonflammable, and noncorrosive; and can be discarded safely and easily. Here, the properties, structure and catalytic mechanism of various typical OP-degrading enzymes are reviewed. The methods and effects utilized to improve the expression level, catalytic performance and stability of OP-degrading enzymes were systematically summarized. In addition, the immobilization of OP-degrading enzymes was explicated emphatically, and the latest progress of cascade reactions based on immobilized enzymes was discussed. Finally, the latest applications of OP-degrading enzymes were summarized, including biosensors, nanozyme mimics and medical detoxification. This review provides guidance for the future development of OP-degrading enzymes and promotes their application in the field of environmental bioremediation and medicine.
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Affiliation(s)
- Jianxiong Chen
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Zitao Guo
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Yu Xin
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Zhenghua Gu
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China
| | - Liang Zhang
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China; Jiangsu Provincial Research Center for Bioactive Product Processing Technology, Jiangnan University, Wuxi 214122, China.
| | - Xuan Guo
- State Key Laboratory of NBC Protection for Civilian, Research Institute of Chemical Defense, Academy of Military Science, Beijing 102205, China; CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
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5
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Wang Y, Zhao Q, Haag R, Wu C. Biocatalytic Synthesis Using Self-Assembled Polymeric Nano- and Microreactors. Angew Chem Int Ed Engl 2022; 61:e202213974. [PMID: 36260531 PMCID: PMC10100074 DOI: 10.1002/anie.202213974] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Indexed: 11/18/2022]
Abstract
Biocatalysis is increasingly being explored for the sustainable development of green industry. Though enzymes show great industrial potential with their high efficiency, specificity, and selectivity, they suffer from poor usability and stability under abiological conditions. To solve these problems, researchers have fabricated nano- and micro-sized biocatalytic reactors based on the self-assembly of various polymers, leading to highly stable, functional, and reusable biocatalytic systems. This Review highlights recent progress in self-assembled polymeric nano- and microreactors for biocatalytic synthesis, including polymersomes, reverse micelles, polymer emulsions, Pickering emulsions, and static emulsions. We categorize these reactors into monophasic and biphasic systems and discuss their structural characteristics and latest successes with representative examples. We also consider the challenges and potential solutions associated with the future development of this field.
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Affiliation(s)
- Yangxin Wang
- College of Materials Science and Engineering, Nanjing Tech University, Puzhu Road(S) 30, 211816, Nanjing, P.R. China
| | - Qingcai Zhao
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 3, 14195, Berlin, Germany
| | - Changzhu Wu
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230, Odense, Denmark.,Danish Institute for Advanced Study, University of Southern Denmark, Campusvej 55, 5230, Odense, Denmark
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6
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Zou S, Wang B, Wang Q, Liu G, Song J, Zhang F, Li J, Wang F, He Q, Zhu Y, Zhang L. Dual-Modal Nanoscavenger for Detoxification of Organophosphorus Compounds. ACS APPLIED MATERIALS & INTERFACES 2022; 14:42454-42467. [PMID: 36089739 DOI: 10.1021/acsami.2c11737] [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: 06/15/2023]
Abstract
Organophosphorus compounds (OPs) pose great military and civilian hazards. However, therapeutic and prophylactic antidotes against OP poisoning remain challenging. In this study, we first developed a novel nanoscavenger (rOPH/ZIF-8@E-Lipo) against methyl paraoxon (MP) poisoning using enzyme immobilization and erythrocyte-liposome hybrid membrane camouflage techniques. Then, we evaluated the physicochemical characterization, stability, and biocompatibility of the nanoscavengers. Afterward, we examined acetylcholinesterase (AChE) activity, cell viability, and intracellular reactive oxygen species (ROS) to indicate the protective effects of the nanoscavengers in vitro. Following the pharmacokinetic and biodistribution studies, we further evaluated the therapeutic and prophylactic detoxification efficacy of the nanoscavengers against MP in various poisoning settings. Finally, we explored the penetration capacity of the nanoscavengers across the blood-brain barrier (BBB). The present study validated the successful construction of a novel nanoscavenger with excellent stability and biocompatibility. In vitro, the resulting nanoscavenger exhibited a significant protection against MP-induced AChE inactivation, oxidative stress, and cytotoxicity. In vivo, apart from the positive therapeutic effects, the nanoscavengers also exerted significant prophylactic detoxification efficacy against single lethal MP exposure, repeated lethal MP challenges, and sublethal MP poisoning. These excellent detoxification effects of the nanoscavengers against OPs may originate from a dual-mode mechanism of inner recombinant organophosphorus hydrolase (rOPH) and outer erythrocyte membrane-anchored AChE. Finally, in vitro and in vivo studies jointly demonstrated that monosialoganglioside (GM1)-modified rOPH/ZIF-8@E-Lipo could penetrate the BBB with high efficiency. In conclusion, a stable and safe dual-modal nanoscavenger was developed with BBB penetration capability, providing a promising strategy for the treatment and prevention of OP poisoning.
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Affiliation(s)
- Shuaijun Zou
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Beilei Wang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Qianqian Wang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Guoyan Liu
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Juxingsi Song
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Fuhai Zhang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Jie Li
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Fan Wang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
| | - Qian He
- The Third Affiliated Hospital of Naval Medical University, Shanghai 200433, China
| | - Yuanjie Zhu
- Department of Marine Biological Injury and Dermatology, Naval Special Medical Center, Naval Medical University, Shanghai 200052, China
| | - Liming Zhang
- Department of Marine Biomedicine and Polar Medicine, Naval Special Medical Center, Naval Medical University, Shanghai 200433, China
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7
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Devassy AM, Kamalakshan A, Jamuna NA, Ansilda R, Mandal S. Enhanced Catalytic Activity of a New Nanobiocatalytic System Formed by the Adsorption of Cytochrome c on Pluronic Triblock Copolymer Stabilized MoS 2 Nanosheets. ACS OMEGA 2022; 7:16593-16604. [PMID: 35601299 PMCID: PMC9118411 DOI: 10.1021/acsomega.2c00839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/15/2022] [Indexed: 06/15/2023]
Abstract
The formation of nanobiohybrids through the immobilization of enzymes on functional nanomaterials has opened up exciting research opportunities at the nanobiointerfaces. These systems hold great promise for a wide range of applications in biosensing, biocatalytic, and biomedical fields. Here, we report the formation of a hybrid nanobiocatalytic system through the adsorption of cytochrome c (Cyt c) on pluronic triblock copolymer, P123 (PEO-b-PPO-b-PEO), stabilized MoS2 nanosheets. The use of pluronic polymer has helped not only to greatly stabilize the exfoliated MoS2 nanosheets but also to allow easy adsorption of Cyt c on the nanosheets without major structural changes due to its excellent biocompatibility and soft protein-binding property. By comparing the catalytic activity of the Cyt c-MoS2 nanobiohybrid with that of the free Cyt c and as-prepared MoS2 nanosheets, we have demonstrated the active role of the nanobiointeractions in enhancing the catalytic activity of the hybrid. Slight structural perturbation at the active site of the Cyt c upon adsorption on MoS2 has primarily facilitated the peroxidase activity of the Cyt c. As the MoS2 nanosheets and the native Cyt c individually exhibit weaker intrinsic peroxidase activities, their mutual modulation at the nanobiointerface has made the Cyt c-MoS2 a novel nanobiocatalyst with superior activity.
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Affiliation(s)
| | - Adithya Kamalakshan
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamil Nadu 620015, India
| | - Nidhi Anilkumar Jamuna
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamil Nadu 620015, India
| | - Roselin Ansilda
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamil Nadu 620015, India
| | - Sarthak Mandal
- Department of Chemistry, National Institute of Technology, Tiruchirappalli, Tamil Nadu 620015, India
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8
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Pashirova TN, Bogdanov A, Masson P. Therapeutic nanoreactors for detoxification of xenobiotics: Concepts, challenges and biotechnological trends with special emphasis to organophosphate bioscavenging. Chem Biol Interact 2021; 346:109577. [PMID: 34274336 DOI: 10.1016/j.cbi.2021.109577] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/19/2021] [Accepted: 07/12/2021] [Indexed: 12/20/2022]
Abstract
The introduction of enzyme nanoreactors in medicine is relatively new. However, this technology has already been experimentally successful in cancer treatments, struggle against toxicity of reactive oxygen species in inflammatory processes, detoxification of drugs and xenobiotics, and correction of metabolic and genetic defects by using encapsulated enzymes, acting in single or cascade reactions. Biomolecules, e.g. enzymes, antibodies, reactive proteins capable of inactivating toxicants in the body are called bioscavengers. In this review, we focus on enzyme-containing nanoreactors for in vivo detoxification of organophosphorous compounds (OP) to be used for prophylaxis and post-exposure treatment of OP poisoning. A particular attention is devoted to bioscavenger-containing injectable nanoreactors operating in the bloodstream. The nanoreactor concept implements single or multiple enzymes and cofactors co-encapsulated in polymeric semi-permeable nanocontainers. Thus, the detoxification processes take place in a confined space containing highly concentrated bioscavengers. The article deals with historical and theoretical backgrounds about enzymatic detoxification of OPs in nanoreactors, nanoreactor polymeric enveloppes, realizations and advantages over other approaches using bioscavengers.
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Affiliation(s)
- Tatiana N Pashirova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, Kazan, 420088, Russian Federation
| | - Andrei Bogdanov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str., 8, Kazan, 420088, Russian Federation
| | - Patrick Masson
- Kazan Federal University, Neuropharmacology Laboratory, Kremlevskaya str., 18, Kazan, 420111, Russian Federation.
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9
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Lu Y, Dai H, Cheng P, Shi H, Tang L, Sun X, Ou Z. Regenerated coenzyme-based preparation of bienzyme-polymer nanoconjugates and their applications for the synthesis of ethyl (R)-2-hydroxy-4-phenylbutyrate. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0775-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Xu W, Zhao S, Zhang W, Wu H, Guang C, Mu W. Recent advances and future prospective of organophosphorus-degrading enzymes: identification, modification, and application. Crit Rev Biotechnol 2021; 41:1096-1113. [PMID: 33906533 DOI: 10.1080/07388551.2021.1898331] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The organophosphorus-based OPs) nerve agents and pesticides have been applied in the agriculture industry for a long time. However, they were found to have a persistent effect on the environment and threaten human health. Traditional methods, including incineration and landfilling, could not thoroughly remove these organophosphorus compounds (OPs). Meanwhile, chemical hydrolysis for decontamination was also inhibited due to the presence of corrosive materials and high costs. Biological remediation for OPs employing microorganisms and organophosphorus-degrading enzymes is promising due to a mild and controllable procedure, environmental-friendly reactions, and high efficacy. A wide variety of enzymes have shown latent ability in degrading OPs hazards like organophosphorus hydrolase (OPH), organophosphorus acid anhydrolase (OPAA), the diisopropylfluorophosphatase (DFPase), and mammalian paraoxonase 1 (PON 1). To this end, increasing efforts have been made on these intriguing enzymes to increase their expression level, enhance the catalytic activity, modify the optimal substrate, and expand the practical application. In this review, the enzyme resource, crystal structure, molecular modification, and industry application were compared and discussed in detail. Moreover, the proposed ideas and positive results could be useful for the other relevant OPs-degrading enzymes.
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Affiliation(s)
- Wei Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Sumao Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wenli Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Hao Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Cuie Guang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wanmeng Mu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
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11
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Paper-Based Enzymatic Colorimetric Assay for Rapid Malathion Detection. Appl Biochem Biotechnol 2021; 193:2534-2546. [PMID: 33783700 DOI: 10.1007/s12010-021-03531-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 02/23/2021] [Indexed: 01/08/2023]
Abstract
Due to their unique properties, paper-based biosensors have attracted attention as inexpensive devices for on-site analysis. To achieve fast and sensitive detection of analytes, immobilization of enzymes with high apparent activities on paper is highly desirable; however, this is challenging. Herein, we report an improved approach to attach a malathion degrading enzyme, PoOPHM9, on paper via an interlocking network of Pluronic F127 (PF127)-poly(acrylic acid)-enzyme conjugates. The addition of PF127 improved retention of enzymatic activity as the apparent kinetic constant Vmax of the immobilized enzyme increased two-fold compared with the paper prepared without PF127. The PF127-poly(acrylic acid)-PoOPHM9 papers provided rapid colorimetric detection of malathion at 0.1-50 mM. The detection was completed within 5 min using a smartphone and image analysis software. As a proof-of-concept, malathion-contaminated water, plant, and apple samples were analyzed with the papers successfully. This material is promising for on-site rapid analysis of malathion-contaminated samples.
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12
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Li Y, Luan P, Zhou L, Xue S, Liu Y, Liu Y, Jiang Y, Gao J. Purification and immobilization of His-tagged organophosphohydrolase on yolk−shell Co/C@SiO2@Ni/C nanoparticles for cascade degradation and detection of organophosphates. Biochem Eng J 2021. [DOI: 10.1016/j.bej.2020.107895] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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13
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Katyal P, Chu S, Montclare JK. Enhancing organophosphate hydrolase efficacy via protein engineering and immobilization strategies. Ann N Y Acad Sci 2020; 1480:54-72. [PMID: 32814367 DOI: 10.1111/nyas.14451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 06/21/2020] [Accepted: 07/07/2020] [Indexed: 01/30/2023]
Abstract
Organophosphorus compounds (OPs), developed as pesticides and chemical warfare agents, are extremely toxic chemicals that pose a public health risk. Of the different detoxification strategies, organophosphate-hydrolyzing enzymes have attracted much attention, providing a potential route for detoxifying those exposed to OPs. Phosphotriesterase (PTE), also known as organophosphate hydrolase (OPH), is one such enzyme that has been extensively studied as a catalytic bioscavenger. In this review, we will discuss the protein engineering of PTE aimed toward improving the activity and stability of the enzyme. In order to make enzyme utilization in OP detoxification more favorable, enzyme immobilization provides an effective means to increase enzyme activity and stability. Here, we present several such strategies that enhance the storage and operational stability of PTE/OPH.
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Affiliation(s)
- Priya Katyal
- Department of Chemical and Biomolecular Engineering, New York University, Tandon School of Engineering, Brooklyn, New York
| | - Stanley Chu
- Department of Chemical and Biomolecular Engineering, New York University, Tandon School of Engineering, Brooklyn, New York
| | - Jin Kim Montclare
- Department of Chemical and Biomolecular Engineering, New York University, Tandon School of Engineering, Brooklyn, New York.,Department of Radiology, New York University Langone Health, New York, New York.,Department of Biomaterials, New York University College of Dentistry, New York, New York.,Department of Chemistry, New York University, New York, New York
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14
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Rodriguez-Abetxuko A, Sánchez-deAlcázar D, Muñumer P, Beloqui A. Tunable Polymeric Scaffolds for Enzyme Immobilization. Front Bioeng Biotechnol 2020; 8:830. [PMID: 32850710 PMCID: PMC7406678 DOI: 10.3389/fbioe.2020.00830] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/29/2020] [Indexed: 12/12/2022] Open
Abstract
The number of methodologies for the immobilization of enzymes using polymeric supports is continuously growing due to the developments in the fields of biotechnology, polymer chemistry, and nanotechnology in the last years. Despite being excellent catalysts, enzymes are very sensitive molecules and can undergo denaturation beyond their natural environment. For overcoming this issue, polymer chemistry offers a wealth of opportunities for the successful combination of enzymes with versatile natural or synthetic polymers. The fabrication of functional, stable, and robust biocatalytic hybrid materials (nanoparticles, capsules, hydrogels, or films) has been proven advantageous for several applications such as biomedicine, organic synthesis, biosensing, and bioremediation. In this review, supported with recent examples of enzyme-protein hybrids, we provide an overview of the methods used to combine both macromolecules, as well as the future directions and the main challenges that are currently being tackled in this field.
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Affiliation(s)
| | | | - Pablo Muñumer
- PolyZymes group, POLYMAT and Department of Applied Chemistry (UPV/EHU), San Sebastián, Spain
| | - Ana Beloqui
- PolyZymes group, POLYMAT and Department of Applied Chemistry (UPV/EHU), San Sebastián, Spain
- Department of Applied Chemistry, University of the Basque Country, San Sebastián, Spain
- IKERBASQUE, Bilbao, Spain
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15
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Wang J, Li Y, Huang J, Li W, Luo Y, Sui X, Li J, Wang Y, Yang J. A protein nanocomposite for ultra-fast, efficient and non-irritating skin decontamination of nerve agents. NANOSCALE 2020; 12:4400-4409. [PMID: 32025678 DOI: 10.1039/c9nr09015k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In recent assassinations reported in London and Malaysia, nerve agents were used to cause death, by skin poisoning. Skin decontamination is the ultimate and most important defense against nerve agent poisoning, because no effective antidote currently exists. However, almost no existing material can achieve effective and rapid decontamination without irritating the skin. This study links proteins that exhibit no decontamination ability with polymers to form a nanocomposite. This creates a nanospace on the surface of the protein that attracts and traps organic molecules, effectively adsorbing the nerve agent Soman within several seconds, without irritating the skin. Analysis of the different components of proteins and polymers reveals that the decontamination efficiency is considerably affected by the thickness of the coated polymer. Moreover, the thickness of the layer is predominantly determined by the size and species of the core and the crosslinking method. Further in vivo experiments on rats poisoned with Soman verify the efficiency and safety of the nanocomposite. These results could be used to design and synthesize more multi-functional and effective decontamination materials.
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Affiliation(s)
- Jiapeng Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institutes of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing, 100850, China.
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16
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Zhao Q, Ansorge-Schumacher MB, Haag R, Wu C. Living whole-cell catalysis in compartmentalized emulsion. BIORESOURCE TECHNOLOGY 2020; 295:122221. [PMID: 31615701 DOI: 10.1016/j.biortech.2019.122221] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/26/2019] [Accepted: 09/27/2019] [Indexed: 06/10/2023]
Abstract
Whole-cell biocatalysis plays an important role in biotransformation with unique features such as good tolerance of solvents and easy recycling. However, the relatively low catalytic efficiency limits their use in real production. In this study, a multi-compartmentalized emulsion in organic solvent was constructed to encapsulate living cells for enhanced catalytic performance. Extraordinary large interfacial area of the emulsion improved the bioactivity of Escherichia coli (E. Coli) cells up to 137 times compared to a standard biphasic system. The emulsion was stabilized by a biocompatible polymer and prepared by gentle shaking by hand, which resulted in good cell viability. Moreover, the encapsulated cells could be easily recycled, and the activity remained more than 70% after five cycles. This work provides a promising approach for utilizing whole-cell catalysts for efficient organic catalysis.
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Affiliation(s)
- Qingcai Zhao
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
| | - Marion B Ansorge-Schumacher
- Chair of Molecular Biotechnology, Technische Universität Dresden, Zellescher Weg 20b, 01217 Dresden, Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany.
| | - Changzhu Wu
- Chair of Molecular Biotechnology, Technische Universität Dresden, Zellescher Weg 20b, 01217 Dresden, Germany; Danish Institute for Advanced Study (DIAS) and Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark.
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17
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Li D, Xi H, Wang Z, Wang D, Li Z, Zhao S. Decontamination of the Mustard Gas (HD) Simulant CEES by Using a Molybdate‐Based ILs/H
2
O
2
System. ChemistrySelect 2019. [DOI: 10.1002/slct.201903627] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Daxue Li
- State Key Laboratory of NBC Protection for Civilian No.37 South Central Street of Yangfang Town, Changping District Beijing 102205 China
| | - Hailing Xi
- State Key Laboratory of NBC Protection for Civilian No.37 South Central Street of Yangfang Town, Changping District Beijing 102205 China
| | - Zhicheng Wang
- Research Institute of Chemical Defense No.37 South Central Street of Yangfang Town, Changping District Beijing 102205 China
| | - Dayong Wang
- Service Bureau of Agency for Offices Administration of the CMC, No.1 Haiyuncang Hutong, Dongcheng District Beijing 100007 China
| | - Zhanguo Li
- State Key Laboratory of NBC Protection for Civilian No.37 South Central Street of Yangfang Town, Changping District Beijing 102205 China
| | - Sanping Zhao
- State Key Laboratory of NBC Protection for Civilian No.37 South Central Street of Yangfang Town, Changping District Beijing 102205 China
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18
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Gao DY, Sun XB, Liu MQ, Liu YN, Zhang HE, Shi XL, Li YN, Wang JK, Yin SJ, Wang Q. Characterization of Thermostable and Chimeric Enzymes via Isopeptide Bond-Mediated Molecular Cyclization. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:6837-6846. [PMID: 31180217 DOI: 10.1021/acs.jafc.9b01459] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Mannooligosaccharides are released by mannan-degrading endo-β-1,4-mannanase and are known as functional additives in human and animal diets. To satisfy demands for biocatalysis and bioprocessing in crowed environments, in this study, we employed a recently developed enzyme-engineering system, isopeptide bond-mediated molecular cyclization, to modify a mesophilic mannanase from Bacillus subtilis. The results revealed that the cyclized enzymes showed enhanced thermostability and ion stability and resilience to aggregation and freeze-thaw treatment by maintaining their conformational structures. Additionally, by using the SpyTag/SpyCatcher system, we generated a mannanase-xylanase bifunctional enzyme that exhibited a synergistic activity in substrate deconstruction without compromising substrate affinity. Interestingly, the dual-enzyme ring conformation was observed to be more robust than the linear enzyme but inferior to the single-enzyme ring conformation. Taken together, these findings provided new insights into the mechanisms of molecular cyclization on stability improvement and will be useful in the production of new functional oligosaccharides and feed additives.
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Affiliation(s)
- De-Ying Gao
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Xiao-Bao Sun
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Ming-Qi Liu
- National and Local United Engineering Lab of Quality Controlling Technology and Instrumentation for Marine Food, College of Life Science , China Jiliang University , Hangzhou 310018 , Zhejiang , China
| | - Yan-Ni Liu
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Hui-En Zhang
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Xin-Lei Shi
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Yang-Nan Li
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Jia-Kun Wang
- College of Animal Science , Zhejiang University , Hangzhou 310058 , Zhejiang , China
| | - Shang-Jun Yin
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
| | - Qian Wang
- College of Biological and Environmental Sciences , Zhejiang Wanli University , Ningbo 315100 , Zhejiang , China
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19
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Liu Y, Qin Y, Zheng Y, Qin Y, Cheng M, Guo R. A one-pot and modular self-assembly strategy for high-performance organized enzyme cascade bioplatforms based on dual-functionalized protein–PtNP@mesoporous iron oxide hybrid. J Mater Chem B 2019; 7:43-52. [DOI: 10.1039/c8tb02162g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A one-pot and modular self-assembly strategy for high-performance enzyme cascade bioplatform based on dual-functionalized protein/inorganic hybrid.
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Affiliation(s)
- Yan Liu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | - Yuling Qin
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | - Yuanlin Zheng
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | - Yong Qin
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | - Mengjun Cheng
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
| | - Rong Guo
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- P. R. China
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20
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Cross-linked enzyme-polymer conjugates with excellent stability and detergent-enhanced activity for efficient organophosphate degradation. BIORESOUR BIOPROCESS 2018. [DOI: 10.1186/s40643-018-0236-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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21
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J. Thiele M, Davari MD, König M, Hofmann I, Junker NO, Mirzaei Garakani T, Vojcic L, Fitter J, Schwaneberg U. Enzyme–Polyelectrolyte Complexes Boost the Catalytic Performance of Enzymes. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02935] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Martin J. Thiele
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Mehdi D. Davari
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Melanie König
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Isabell Hofmann
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
| | - Niklas O. Junker
- I. Physikalisches Institut (IA), AG Biophysik, RWTH Aachen, Sommerfeldstrasse 14, 52074 Aachen, Germany
| | | | - Ljubica Vojcic
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
- Codexis, Inc., 200 Penobscot Drive, Redwood City, California 94063, United States
| | - Jörg Fitter
- I. Physikalisches Institut (IA), AG Biophysik, RWTH Aachen, Sommerfeldstrasse 14, 52074 Aachen, Germany
- Institute of Complex Systems (ICS-5): Molecular Biophysics, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Ulrich Schwaneberg
- Institute of Biotechnology, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany
- DWI-Leibniz Institut für Interaktive Materialien, Forckenbeckstraße 50, 52056 Aachen, Germany
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22
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Functional change of Bacillus acidocaldarius α-amylase chemically modified with periodate oxidized polysaccharides. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.07.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Choudhury CK, Tu S, Luzinov I, Minko S, Kuksenok O. Designing Highly Thermostable Lysozyme–Copolymer Conjugates: Focus on Effect of Polymer Concentration. Biomacromolecules 2018. [DOI: 10.1021/acs.biomac.8b00027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Chandan Kumar Choudhury
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Sidong Tu
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Igor Luzinov
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Sergiy Minko
- Nanostructured Materials Laboratory, The University of Georgia, Athens, Georgia 30602, United States
| | - Olga Kuksenok
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
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24
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Alejo-González K, Hanson-Viana E, Vazquez-Duhalt R. Enzymatic detoxification of organophosphorus pesticides and related toxicants. JOURNAL OF PESTICIDE SCIENCE 2018; 43:1-9. [PMID: 30363124 PMCID: PMC6140661 DOI: 10.1584/jpestics.d17-078] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 01/08/2018] [Indexed: 05/20/2023]
Abstract
Millions of cases of pesticide intoxication occur yearly and represent a public health problem. In addition, pesticide poisoning is the preferred suicidal method in rural areas. The use of enzymes for the treatment of intoxication due to organophosphorus pesticides was proposed decades ago. Several enzymes are able to transform organophosphorus compounds such as pesticides and nerve agents. Some specific enzymatic treatments have been proposed, including direct enzyme injection, liposome and erythrocytes carriers, PEGylated preparations and extracorporeal enzymatic treatments. Nevertheless, no enzymatic treatments are currently available. In this work, the use of enzymes for treating of organophosphorus pesticide intoxication is critically reviewed and the remaining challenges are discussed.
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Affiliation(s)
- Karla Alejo-González
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera Tijuana-Ensenada, Ensenada, Baja California 22760 México
| | - Erik Hanson-Viana
- Facultad de Medicina, Universidad Autónoma de Baja California, Mexicali, Mexico
| | - Rafael Vazquez-Duhalt
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Km 107 carretera Tijuana-Ensenada, Ensenada, Baja California 22760 México
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25
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Zhang L, Xu Y, Makris TM, Wang Q. Enhanced Arylamine N-Oxygenase Activity of Polymer–Enzyme Assemblies by Facilitating Electron-Transferring Efficiency. Biomacromolecules 2018; 19:918-925. [DOI: 10.1021/acs.biomac.7b01706] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Libo Zhang
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Yanmei Xu
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Thomas M. Makris
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
| | - Qian Wang
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, United States
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26
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Chen T, Xu Y, Yang W, Li A, Wang Y, Sun J, Liu J. Design of Enzyme Micelles with Controllable Concavo-Convex Micromorphologies for Highly Enhanced Stability and Catalytical Activity. Macromol Biosci 2018; 18. [DOI: 10.1002/mabi.201700312] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 11/25/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Tao Chen
- Center for Micro/Nano Luminescent and Electrochemical Materials; College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Qingdao University; Qingdao 266071 China
| | - Yuanhong Xu
- Center for Micro/Nano Luminescent and Electrochemical Materials; College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Qingdao University; Qingdao 266071 China
| | - Wenrong Yang
- School of Life and Environmental Sciences; Deakin University; Geelong VIC 3217 Australia
| | - Aihua Li
- Center for Micro/Nano Luminescent and Electrochemical Materials; College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Qingdao University; Qingdao 266071 China
| | - Yao Wang
- Center for Micro/Nano Luminescent and Electrochemical Materials; College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Qingdao University; Qingdao 266071 China
| | - Jing Sun
- School of Polymer Science & Engineering; Qingdao University of Science and Technology; Zhengzhou Road 53 Qingdao 266042 China
| | - Jingquan Liu
- Center for Micro/Nano Luminescent and Electrochemical Materials; College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Qingdao University; Qingdao 266071 China
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27
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Wehaidy HR, Abdel-Naby MA, Shousha WG, Elmallah MIY, Shawky MM. Improving the catalytic, kinetic and thermodynamic properties of Bacillus subtilis KU710517 milk clotting enzyme via conjugation with polyethylene glycol. Int J Biol Macromol 2018; 111:296-301. [PMID: 29309864 DOI: 10.1016/j.ijbiomac.2017.12.125] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 12/06/2017] [Accepted: 12/21/2017] [Indexed: 10/18/2022]
Abstract
Milk clotting enzyme (MCE) produced by Bacillus subtilis KU710517 was conjugated to several activated polysaccharides. Among all the conjugates, the enzyme conjugated with polyethylene glycol (PEG) exhibited the highest retained activity (551U/mg protein) with a recovered activity of 95.3%. The activation energy of PEG-conjugated enzyme was calculated as 24.56kJ·mol-1which was lower than that of the native one (29.27kJ·mol-1) however, the temperature quotient (Q10) was about 1.08 for the two forms of the enzyme. The calculated half-life times of PEG-conjugated enzyme at 55 and 60°C were 317.78 and 128.6min respectively, whereas at the same temperatures the native enzyme had lower half-life times (53 and 19.6min respectively). The data of thermodynamic analysis for substrate catalysis including the specificity constant (Vmax/Km), turnover number (kcat), catalytic efficiency (kcat/Km), enthalpy of activation (ΔH*), free energy of activation (ΔG*), free energy for transition state formation ΔG*E-T and free energy of substrate binding ΔG*E-S were determined for both native and PEG-conjugated enzyme. In addition, the thermodynamic parameters for irreversible inactivation (ΔH, ΔG, ΔS) were evaluated. The calculated results indicated that the catalytic properties after the PEG-conjugation were significantly improved.
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Affiliation(s)
- Hala Refaat Wehaidy
- Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt.
| | - Mohamed Ahmed Abdel-Naby
- Chemistry of Natural and Microbial Products Department, National Research Centre, Dokki, Giza, Egypt
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28
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Li H, Ma L, Zhou L, Gao J, Huang Z, He Y, Jiang Y. An integrated nanocatalyst combining enzymatic and metal–organic framework catalysts for cascade degradation of organophosphate nerve agents. Chem Commun (Camb) 2018; 54:10754-10757. [DOI: 10.1039/c8cc06727a] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An integrated nanocatalyst that combined a metal–organic framework-based catalyst and a biocatalyst was developed for cascade degradation of organophosphate nerve agents.
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Affiliation(s)
- Haibin Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Li Ma
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Liya Zhou
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Jing Gao
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Zhihong Huang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Ying He
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
| | - Yanjun Jiang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin
- P. R. China
- National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process Integration and Resources Utilization
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29
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Yadavalli NS, Borodinov N, Choudhury CK, Quiñones-Ruiz T, Laradji AM, Tu S, Lednev IK, Kuksenok O, Luzinov I, Minko S. Thermal Stabilization of Enzymes with Molecular Brushes. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03138] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Nataraja S. Yadavalli
- Nanostructured
Materials Laboratory, The University of Georgia, Athens, Georgia 30602, United States
| | - Nikolay Borodinov
- Department
of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Chandan K. Choudhury
- Department
of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Tatiana Quiñones-Ruiz
- Department
of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Amine M. Laradji
- Nanostructured
Materials Laboratory, The University of Georgia, Athens, Georgia 30602, United States
| | - Sidong Tu
- Department
of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Igor K. Lednev
- Department
of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Olga Kuksenok
- Department
of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Igor Luzinov
- Department
of Materials Science and Engineering, Clemson University, Clemson, South Carolina 29634, United States
| | - Sergiy Minko
- Nanostructured
Materials Laboratory, The University of Georgia, Athens, Georgia 30602, United States
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30
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Szałata K, Gumi T. BioArtificial polymers. PHYSICAL SCIENCES REVIEWS 2017. [DOI: 10.1515/psr-2017-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractNowadays, the polymer science has impact in practically all life areas. Countless benefits coming from the usage of materials with high mechanical and chemical resistance, variety of functionalities and potentiality of modification drive to the development of new application fields. Novel approaches of combining these synthetic substances with biomolecules lead to obtain multifunctional hybrid conjugates which merge the bioactivity of natural component with outstanding properties of artificial polymer. Over the decades, an immense progress in bioartificial composites domain allowed to reach a high level of knowledge in terms of natural-like systems engineering, leading to diverse strategies of biomolecule immobilization. Together with different available options, including covalent and noncovalent attachment, come various challenges, related mainly with maintaining the biological activity of fixed molecules. Even though the amount of applications that achieve commercial status is still not substantial, and is expanding continuously in the disciplines like “smart materials,” biosensors, delivery systems, nanoreactors and many others. A huge number of remarkable developments reported in the literature present a potential of bioartificial conjugates as a fabrics with highly controllable structure and multiple functionalities, serving as a powerful nanotechnological tool. This novel approach brings closer biologists, chemists and engineers, who sharing their effort and complementing the knowledge can revolutionize the field of bioartificial polymer science.
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31
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Suthiwangcharoen N, Nagarajan R. Nanoarmoring of Proteins by Conjugation to Block Copolymer Micelles. Methods Enzymol 2017; 590:277-304. [PMID: 28411641 DOI: 10.1016/bs.mie.2017.01.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The creation of polymer nanoparticles with protein functionality is of great interest to many applications such as targeted drug or gene delivery, diagnostic imaging, cancer theranostics, delivery of protein therapeutics, sensing chemical and biomolecular analytes in complex environments, and design of protective clothing resembling a second skin. Many approaches to achieving this goal are being explored in the current literature. In this chapter, we describe a relatively simple and flexible approach of conjugating the protein to an amphiphilic block copolymer and creating polymer nanoparticles with protein functionality by taking advantage of the intrinsic self-assembly behavior of the amphiphilic block copolymer. The commercially available and biocompatible polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer is used as the polymer building block. For demonstrative purposes, bovine serum albumin was chosen as the protein. We determine the molecular weight of the protein-polymer conjugate and thereby the degree of conjugation using sodium dodecyl sulfate-polyacrylamide gel electrophoresis and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry measurements. Retention of protein secondary structure in the conjugate was determined by circular dichroism spectroscopy, and the biological activity of the protein in the conjugated state has been evaluated by kinetic assay involving hydrolysis of an organophosphate compound. Dynamic light scattering and zeta potential measurements were used to characterize the size and charge of the protein-polymer conjugate micelle. Precise control of the size of the micelle and surface number density of the proteins on the micelle surface by coassembling with a second block copolymer have been demonstrated. These studies document a rational approach to armor the protein by conjugation with a block copolymer micelle, as a general approach.
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Affiliation(s)
| | - Ramanathan Nagarajan
- Natick Soldier Research, Development and Engineering Center, Natick, MA, United States.
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32
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Poirier L, Jacquet P, Elias M, Daudé D, Chabrière E. [Decontamination of organophosphorus compounds: Towards new alternatives]. ANNALES PHARMACEUTIQUES FRANÇAISES 2017; 75:209-226. [PMID: 28267954 DOI: 10.1016/j.pharma.2017.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 01/16/2017] [Accepted: 01/24/2017] [Indexed: 01/20/2023]
Abstract
Organophosphorus coumpounds (OP) are toxic chemicals mainly used for agricultural purpose such as insecticides and were also developed and used as warfare nerve agents. OP are inhibitors of acetylcholinesterase, a key enzyme involved in the regulation of the central nervous system. Chemical, physical and biological approaches have been considered to decontaminate OP. This review summarizes the current and emerging strategies that are investigated to tackle this issue with a special emphasis on enzymatic remediation methods. During the last decade, many studies have been dedicated to the development of biocatalysts for OP removal. Among these, recent reports have pointed out the promising enzyme SsoPox isolated from the archaea Sulfolobus solfataricus. Considering both its intrinsic stability and activity, this hyperthermostable enzyme is highly appealing for the decontamination of OP.
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Affiliation(s)
- L Poirier
- Inserm, CNRS, IRD, URMITE, Aix Marseille université, Marseille, France
| | - P Jacquet
- Inserm, CNRS, IRD, URMITE, Aix Marseille université, Marseille, France
| | - M Elias
- Department of Biochemistry, Molecular Biology and Biophysics & Biotechnology Institute, University of Minnesota, St. Paul, MN 55108, États-Unis
| | - D Daudé
- Gene&GreenTK, faculté de médecine, 27, boulevard Jean-Moulin, 13385 Marseille cedex 5, France.
| | - E Chabrière
- Inserm, CNRS, IRD, URMITE, Aix Marseille université, Marseille, France; Gene&GreenTK, faculté de médecine, 27, boulevard Jean-Moulin, 13385 Marseille cedex 5, France.
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Chen T, Xu Y, Peng Z, Li A, Liu J. Simultaneous Enhancement of Bioactivity and Stability of Laccase by Cu 2+/PAA/PPEGA Matrix for Efficient Biosensing and Recyclable Decontamination of Pyrocatechol. Anal Chem 2017; 89:2065-2072. [PMID: 28208260 DOI: 10.1021/acs.analchem.6b04691] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Simultaneously enhancing the catalytic bioactivity and stability of enzyme is still an intractable issue in the enzymatic study. Herein, a facile and effective approach was designed to immobilize and modify laccase on a Cu2+-adsorbed pyrene-terminated block copolymer [poly(acrylic acid)/poly(poly(ethylene glycol) acrylate)] (PAA/PPEGA), which was prepared via well-controlled reversible addition-fragmentation chain transfer polymerization. PAA provided the supporting matrix for firm immobilization of Cu2+, an enzyme bioactivity inducer, onto the microstructure of laccase, while avoiding any contamination of the heavy metal Cu2+ into the following application system. The water-soluble, biocompatible, and nontoxic PPEGA was used as an ideal modifier to improve the laccase stability. Accordingly, the modified laccase exhibited enhanced catalytic bioactivity and stability simultaneously to 447% and 237%, respectively. The modified laccase was immobilized on the highly oriented pyrolytic graphite surface and large-area graphene papers through π-π stacking interactions between the pyrene moiety of PAA/PPEGA and the π-conjugated graphenelike surface. The as-prepared portable solid-state electrochemical laccase biosensor showed lowest detection limit of 50 nM (S/N ≥ 3) and long-term stability for pyrocatechol detection. Besides, the laccase immobilization on graphene paper provided efficient pyrocatechol decontamination platform with convenience and recyclability, which could retain the laccase bioactivity of 176% after 8 consecutive operations.
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Affiliation(s)
- Tao Chen
- Center for Micro/Nano Luminescent and Electrochemical Materials, College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Laboratory of Fiber Materials and Modern Textiles, the Growing Base for State Key Laboratory; Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University , Qingdao 266071, China
| | - Yuanhong Xu
- Center for Micro/Nano Luminescent and Electrochemical Materials, College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Laboratory of Fiber Materials and Modern Textiles, the Growing Base for State Key Laboratory; Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University , Qingdao 266071, China
| | - Zhi Peng
- Center for Micro/Nano Luminescent and Electrochemical Materials, College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Laboratory of Fiber Materials and Modern Textiles, the Growing Base for State Key Laboratory; Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University , Qingdao 266071, China
| | - Aihua Li
- Center for Micro/Nano Luminescent and Electrochemical Materials, College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Laboratory of Fiber Materials and Modern Textiles, the Growing Base for State Key Laboratory; Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University , Qingdao 266071, China
| | - Jingquan Liu
- Center for Micro/Nano Luminescent and Electrochemical Materials, College of Materials Science and Engineering; Institute for Graphene Applied Technology Innovation; Laboratory of Fiber Materials and Modern Textiles, the Growing Base for State Key Laboratory; Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University , Qingdao 266071, China
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Riccardi C, Kumar C. Preface. Methods Enzymol 2017; 590:xv-xix. [DOI: 10.1016/s0076-6879(17)30134-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Efremenko EN, Lyagin IV, Klyachko NL, Bronich T, Zavyalova NV, Jiang Y, Kabanov AV. A simple and highly effective catalytic nanozyme scavenger for organophosphorus neurotoxins. J Control Release 2016; 247:175-181. [PMID: 28043864 DOI: 10.1016/j.jconrel.2016.12.037] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/19/2016] [Accepted: 12/29/2016] [Indexed: 10/20/2022]
Abstract
A simple and highly efficient catalytic scavenger of poisonous organophosphorus compounds, based on organophosphorus hydrolase (OPH, EC 3.1.8.1), is produced in aqueous solution by electrostatic coupling of the hexahistidine tagged OPH (His6-OPH) and poly(ethylene glycol)-b-poly(l-glutamic acid) diblock copolymer. The resulting polyion complex, termed nano-OPH, has a spherical morphology and a diameter from 25nm to 100nm. Incorporation of His6-OPH in nano-OPH preserves catalytic activity and increases stability of the enzyme allowing its storage in aqueous solution for over a year. It also decreases the immune and inflammatory responses to His6-OPH in vivo as determined by anti-OPH IgG and cytokines formation in Sprague Dawley rats and Balb/c mice, respectively. The nano-OPH pharmacokinetic parameters are improved compared to the naked enzyme suggesting longer blood circulation after intravenous (iv) administrations in rats. Moreover, nano-OPH is bioavailable after intramuscular (im), intraperitoneal (ip) and even transbuccal (tb) administration, and has shown ability to protect animals from exposure to a pesticide, paraoxon and a warfare agent, VX. In particular, a complete protection against the lethal doses of paraoxon was observed with nano-OPH administered iv and ip as much as 17h, im 5.5h and tb 2h before the intoxication. Further evaluation of nano-OPH as a catalytic bioscavenger countermeasure against organophosphorus chemical warfare agents and pesticides is warranted.
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Affiliation(s)
- Elena N Efremenko
- Chemistry Department, Lomonosov Moscow State University, 1 Lenin Hills, Building 3, Moscow 119991, Russia.
| | - Ilya V Lyagin
- Chemistry Department, Lomonosov Moscow State University, 1 Lenin Hills, Building 3, Moscow 119991, Russia
| | - Natalia L Klyachko
- Chemistry Department, Lomonosov Moscow State University, 1 Lenin Hills, Building 3, Moscow 119991, Russia; Center for Nanotechnology in Drug Delivery, Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, 125 Mason Farm Road, Chapel Hill, NC 27599-7362, United States
| | - Tatiana Bronich
- Chemistry Department, Lomonosov Moscow State University, 1 Lenin Hills, Building 3, Moscow 119991, Russia; Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, S 42nd St. & Emile St., Omaha, NE 68198, United States
| | - Natalia V Zavyalova
- 27th Scientific Center of Ministry of Defense, 13 Brigadirsky Pereulok, Moscow 105005, Russia
| | - Yuhang Jiang
- Center for Nanotechnology in Drug Delivery, Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, 125 Mason Farm Road, Chapel Hill, NC 27599-7362, United States
| | - Alexander V Kabanov
- Chemistry Department, Lomonosov Moscow State University, 1 Lenin Hills, Building 3, Moscow 119991, Russia; Center for Nanotechnology in Drug Delivery, Division of Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, 125 Mason Farm Road, Chapel Hill, NC 27599-7362, United States; Center for Drug Delivery and Nanomedicine, Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, S 42nd St. & Emile St., Omaha, NE 68198, United States.
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36
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Catalytic, kinetic and thermodynamic properties of stabilized Bacillus stearothermophilus alkaline protease. Int J Biol Macromol 2016; 96:265-271. [PMID: 27899299 DOI: 10.1016/j.ijbiomac.2016.11.094] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 11/04/2016] [Accepted: 11/22/2016] [Indexed: 11/23/2022]
Abstract
Bacillus stearothermophilus alkaline protease was conjugated to several oxidized polysaccharides of different chemical structure. The conjugates were evaluated for the kinetic and thermodynamic stability. The conjugated enzyme with oxidized pectin had the highest retained activity (79.5%) and the highest half-life (T1/2) at 50°C and pH 9.0. Compared to the native protease, the conjugated preparation exhibited lower activation energy (Ea), lower deactivation constant rate (kd), higher T1/2, and higher D values (decimal reduction time) within the temperature range of 50-60°C. The thermodynamic parameters for irreversible inactivation of native and conjugated protease indicated that conjugation significantly decreased entropy (ΔS*) and enthalpy (ΔH*) of deactivation. The calculated value of activation energy for thermal denaturation (Ead) for the conjugated enzyme was 20.4KJmole-1 higher over the native one. The results of thermodynamic analysis for substrate hydrolysis indicated that the enthalpy of activation (ΔH*) and free energy of activation (free energy of substrate binding) ΔG*E-S and (ΔG*), (free energy of transition state) ΔG*E-T values were lower for the modified protease. Similarly, there was significant improvement of kcat, kcat/Km values. The enzyme proved to be metalloprotease and significantly stimulated by Ca2+ and Mg2+ whereas Hg2+, Fe3+ Cu2+ and Zn2+ inhibited the enzyme activity. There was no pronounced effect on substrate specificity after conjugation.
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Iyengar ARS, Pande AH. Organophosphate-Hydrolyzing Enzymes as First-Line of Defence Against Nerve Agent-Poisoning: Perspectives and the Road Ahead. Protein J 2016; 35:424-439. [DOI: 10.1007/s10930-016-9686-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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38
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Jacquet P, Daudé D, Bzdrenga J, Masson P, Elias M, Chabrière E. Current and emerging strategies for organophosphate decontamination: special focus on hyperstable enzymes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:8200-18. [PMID: 26832878 DOI: 10.1007/s11356-016-6143-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 01/20/2016] [Indexed: 06/05/2023]
Abstract
Organophosphorus chemicals are highly toxic molecules mainly used as pesticides. Some of them are banned warfare nerve agents. These compounds are covalent inhibitors of acetylcholinesterase, a key enzyme in central and peripheral nervous systems. Numerous approaches, including chemical, physical, and biological decontamination, have been considered for developing decontamination methods against organophosphates (OPs). This work is an overview of both validated and emerging strategies for the protection against OP pollution with special attention to the use of decontaminating enzymes. Considerable efforts have been dedicated during the past decades to the development of efficient OP degrading biocatalysts. Among these, the promising biocatalyst SsoPox isolated from the archaeon Sulfolobus solfataricus is emphasized in the light of recently published results. This hyperthermostable enzyme appears to be particularly attractive for external decontamination purposes with regard to both its catalytic and stability properties.
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Affiliation(s)
- Pauline Jacquet
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, INSERM 1095, Marseille, France
| | - David Daudé
- Gene&GreenTK, Faculté de Médecine, 27 boulevard Jean Moulin, Cedex 5, Marseille, 13385, France
| | - Janek Bzdrenga
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, INSERM 1095, Marseille, France
| | - Patrick Masson
- Neuropharmacology Laboratory, Kazan Federal University, Kazan, 420008, Russia
| | - Mikael Elias
- Department of Biochemistry, Molecular Biology and Biophysics & Biotechnology Institute, University of Minnesota, St. Paul, MN, 55108, USA
| | - Eric Chabrière
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, INSERM 1095, Marseille, France.
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39
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Abdel-Naby MA, A. Ibrahim M, El-Refai H. Catalytic, kinetic and thermodynamic properties of Bacillus pumilus FH9 keratinase conjugated with activated pectin. Int J Biol Macromol 2016; 85:238-45. [DOI: 10.1016/j.ijbiomac.2015.12.078] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 11/08/2015] [Accepted: 12/22/2015] [Indexed: 10/22/2022]
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40
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Koda Y, Terashima T, Maynard HD, Sawamoto M. Protein storage with perfluorinated PEG compartments in a hydrofluorocarbon solvent. Polym Chem 2016. [DOI: 10.1039/c6py01333c] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report a novel storage technology of proteins with surface-perfluorinated poly(ethylene glycol) compartments in 2H,3H-perfluoropentane.
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Affiliation(s)
- Yuta Koda
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Takaya Terashima
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Heather D. Maynard
- Department of Chemistry and Biochemistry and California Nano Systems Institute
- University of California
- Los Angeles
- USA
| | - Mitsuo Sawamoto
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
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41
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Garcia DR, Lavignac N. Poly(amidoamine)–BSA conjugates synthesised by Michael addition reaction retained enzymatic activity. Polym Chem 2016. [DOI: 10.1039/c6py01771a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A bioconjugate synthesised using a “grafted to” method and Michael addition reaction retained the activity of the native protein.
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Affiliation(s)
- D. R. Garcia
- Medway School of Pharmacy
- Universities of Kent and Greenwich at Medway
- Chatham Maritime
- UK
| | - N. Lavignac
- Medway School of Pharmacy
- Universities of Kent and Greenwich at Medway
- Chatham Maritime
- UK
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42
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Jang YJ, Kim K, Tsay OG, Atwood DA, Churchill DG. Update 1 of: Destruction and Detection of Chemical Warfare Agents. Chem Rev 2015; 115:PR1-76. [DOI: 10.1021/acs.chemrev.5b00402] [Citation(s) in RCA: 249] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yoon Jeong Jang
- Molecular Logic Gate Laboratory, Department of Chemistry, KAIST, Daejeon, 305-701, Republic of Korea
| | - Kibong Kim
- Molecular Logic Gate Laboratory, Department of Chemistry, KAIST, Daejeon, 305-701, Republic of Korea
| | - Olga G. Tsay
- Molecular Logic Gate Laboratory, Department of Chemistry, KAIST, Daejeon, 305-701, Republic of Korea
| | - David A. Atwood
- Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, United States
| | - David G. Churchill
- Molecular Logic Gate Laboratory, Department of Chemistry, KAIST, Daejeon, 305-701, Republic of Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), 373-1 Guseong-dong, Yuseong-gu, Daejeon, 305−701, Republic of Korea
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43
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Liu Y, Li J, Lu Y. Enzyme therapeutics for systemic detoxification. Adv Drug Deliv Rev 2015; 90:24-39. [PMID: 25980935 DOI: 10.1016/j.addr.2015.05.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Revised: 05/02/2015] [Accepted: 05/07/2015] [Indexed: 12/20/2022]
Abstract
Life relies on numerous biochemical processes working synergistically and correctly. Certain substances disrupt these processes, inducing living organism into an abnormal state termed intoxication. Managing intoxication usually requires interventions, which is referred as detoxification. Decades of development on detoxification reveals the potential of enzymes as ideal therapeutics and antidotes, because their high substrate specificity and catalytic efficiency are essential for clearing intoxicating substances without adverse effects. However, intrinsic shortcomings of enzymes including low stability and high immunogenicity are major hurdles, which could be overcome by delivering enzymes with specially designed nanocarriers. Extensive investigations on protein delivery indicate three types of enzyme-nanocarrier architectures that show more promise than others for systemic detoxification, including liposome-wrapped enzymes, polymer-enzyme conjugates, and polymer-encapsulated enzymes. This review highlights recent advances in these nano-architectures and discusses their applications in systemic detoxifications. Therapeutic potential of various enzymes as well as associated challenges in achieving effective delivery of therapeutic enzymes will also be discussed.
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Guo N, Zhong JY, Chen SL, Liu JQ, Min Q, Shi RX. Experimental and theoretical studies of hydrolysis of nerve agent sarin by binuclear zinc biomimetic catalysts. Chem Phys 2015. [DOI: 10.1016/j.chemphys.2015.05.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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45
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Abdel–Naby MA, Fouad AA, El-Refai H. Catalytic and thermodynamic properties of glycosylated Bacillus cereus cyclodextrin glycosyltransferase. Int J Biol Macromol 2015; 76:132-7. [DOI: 10.1016/j.ijbiomac.2015.02.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 02/06/2015] [Accepted: 02/07/2015] [Indexed: 10/24/2022]
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46
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Koda Y, Terashima T, Sawamoto M, Maynard HD. Amphiphilic/fluorous random copolymers as a new class of non-cytotoxic polymeric materials for protein conjugation. Polym Chem 2015. [DOI: 10.1039/c4py01346h] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Amphiphilic/fluorous random copolymers bearing poly(ethylene glycol) chains and perfluorinated alkane pendants were developed as novel non-cytotoxic polymeric materials for protein conjugation.
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Affiliation(s)
- Yuta Koda
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Takaya Terashima
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Mitsuo Sawamoto
- Department of Polymer Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Heather D. Maynard
- Department of Chemistry and Biochemistry
- University of California
- Los Angeles
- USA
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47
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Ford ENJ, Suthiwangcharoen N, D'Angelo PA, Nagarajan R. Role of single-walled carbon nanotubes on ester hydrolysis and topography of electrospun bovine serum albumin/poly(vinyl alcohol) membranes. ACS APPLIED MATERIALS & INTERFACES 2014; 6:11741-11748. [PMID: 25007411 DOI: 10.1021/am502495e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Electrospun membranes were studied for the chemical deactivation of threat agents by means of enzymatic proteins. Protein loading and the surface chemistry of hybrid nanofibers influenced the efficacy by which embedded enzymes could digest the substrate of interest. Bovine serum albumin (BSA), selected as a model protein, was electrospun into biologically active fibers of poly(vinyl alcohol), PVA. Single-walled carbon nanotubes (SWNTs) were blended within these mixtures to promote protein assembly during the process of electrospinning and subsequently the ester hydrolysis of the substrates. The SWNT incorporation was shown to influence the topography of PVA/BSA nanofibers and enzymatic activity against paraoxon, a simulant for organophosphate agents and a phosphorus analogue of p-nitrophenyl acetate (PNA). The esterase activity of BSA against PNA was uncompromised upon its inclusion within nanofibrous membranes because similar amounts of PNA were hydrolyzed by BSA in solution and the electrospun BSA. However, the availability of BSA along the fiber surface was shown to affect the ester hydrolysis of paraoxon. Atomic force microscopy images of nanofibers implicated the surface migration of BSA during the electrospinning of SWNT filled dispersions, especially as greater weight fractions of protein were added to the spinning mixtures. In turn, the PVA/SWNT/BSA nanofibers outperformed the nanotube free PVA/BSA membranes in terms of paraoxon digestion. The results support the development of electrospun polymer nanofiber platforms, modulated by SWNTs for enzyme catalytic applications relevant to soldier protective ensembles.
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Affiliation(s)
- Ericka N J Ford
- Molecular Sciences and Engineering Team, Natick Soldier Research, Development and Engineering Center , Natick, Massachusetts 01760, United States
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