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Pashirova T, Salah-Tazdaït R, Tazdaït D, Masson P. Applications of Microbial Organophosphate-Degrading Enzymes to Detoxification of Organophosphorous Compounds for Medical Countermeasures against Poisoning and Environmental Remediation. Int J Mol Sci 2024; 25:7822. [PMID: 39063063 PMCID: PMC11277490 DOI: 10.3390/ijms25147822] [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: 06/17/2024] [Revised: 07/13/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Mining of organophosphorous (OPs)-degrading bacterial enzymes in collections of known bacterial strains and in natural biotopes are important research fields that lead to the isolation of novel OP-degrading enzymes. Then, implementation of strategies and methods of protein engineering and nanobiotechnology allow large-scale production of enzymes, displaying improved catalytic properties for medical uses and protection of the environment. For medical applications, the enzyme formulations must be stable in the bloodstream and upon storage and not susceptible to induce iatrogenic effects. This, in particular, includes the nanoencapsulation of bioscavengers of bacterial origin. In the application field of bioremediation, these enzymes play a crucial role in environmental cleanup by initiating the degradation of OPs, such as pesticides, in contaminated environments. In microbial cell configuration, these enzymes can break down chemical bonds of OPs and usually convert them into less toxic metabolites through a biotransformation process or contribute to their complete mineralization. In their purified state, they exhibit higher pollutant degradation efficiencies and the ability to operate under different environmental conditions. Thus, this review provides a clear overview of the current knowledge about applications of OP-reacting enzymes. It presents research works focusing on the use of these enzymes in various bioremediation strategies to mitigate environmental pollution and in medicine as alternative therapeutic means against OP poisoning.
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Affiliation(s)
- Tatiana Pashirova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia;
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Rym Salah-Tazdaït
- Bioengineering and Process Engineering Laboratory (BIOGEP), National Polytechnic School, 10 Rue des Frères Oudek, El Harrach, Algiers 16200, Algeria; (R.S.-T.); (D.T.)
| | - Djaber Tazdaït
- Bioengineering and Process Engineering Laboratory (BIOGEP), National Polytechnic School, 10 Rue des Frères Oudek, El Harrach, Algiers 16200, Algeria; (R.S.-T.); (D.T.)
- Department of Nature and Life Sciences, University of Algiers, Benyoucef Benkhedda, 2 Rue Didouche Mourad, Algiers 16000, Algeria
| | - Patrick Masson
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 18 Kremlyovskaya St., 420008 Kazan, Russia;
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Mohite SV, Sharma KK. Gut microbial metalloproteins and its role in xenobiotics degradation and ROS scavenging. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2024; 141:495-538. [PMID: 38960484 DOI: 10.1016/bs.apcsb.2024.03.004] [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: 07/05/2024]
Abstract
The gut microbial metalloenzymes play an important role in maintaining the balance between gut microbial ecosystem, human physiologically processes and immune system. The metals coordinated into active site contribute in various detoxification and defense strategies to avoid unfavourable environment and ensure bacterial survival in human gut. Metallo-β-lactamase is a potent degrader of antibiotics present in periplasmic space of both commensals and pathogenic bacteria. The resistance to anti-microbial agents developed in this enzyme is one of the global threats for human health. The organophosphorus eliminator, organophosphorus hydrolases have evolved over a course of time to hydrolyze toxic organophosphorus compounds and decrease its effect on human health. Further, the redox stress responders namely superoxide dismutase and catalase are key metalloenzymes in reducing both endogenous and exogenous oxidative stress. They hold a great importance for pathogens as they contribute in pathogenesis in human gut along with reduction of oxidative stress. The in-silico study on these enzymes reveals the importance of point mutation for the evolution of these enzymes in order to enhance their enzyme activity and stability. Various mutation studies were conducted to investigate the catalytic activity of these enzymes. By using the "directed evolution" method, the enzymes involved in detoxification and defense system can be engineered to produce new variants with enhance catalytic features, which may be used to predict the severity due to multi-drug resistance and degradation pattern of organophosphorus compounds in human gut.
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Affiliation(s)
- Shreya Vishwas Mohite
- Laboratory of Enzymology and Gut Microbiology, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Krishna Kant Sharma
- Laboratory of Enzymology and Gut Microbiology, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India.
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Kiruthika K, Suganthi A, Johnson Thangaraj Edward YS, Anandham R, Renukadevi P, Murugan M, Bimal Kumar Sahoo, Mohammad Ikram, Kavitha PG, Jayakanthan M. Role of Lactic Acid Bacteria in Insecticide Residue Degradation. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10298-0. [PMID: 38819541 DOI: 10.1007/s12602-024-10298-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2024] [Indexed: 06/01/2024]
Abstract
Lactic acid bacteria are gaining global attention, especially due to their role as a probiotic. They are increasingly being used as a flavoring agent and food preservative. Besides their role in food processing, lactic acid bacteria also have a significant role in degrading insecticide residues in the environment. This review paper highlights the importance of lactic acid bacteria in degrading insecticide residues of various types, such as organochlorines, organophosphorus, synthetic pyrethroids, neonicotinoids, and diamides. The paper discusses the mechanisms employed by lactic acid bacteria to degrade these insecticides, as well as their potential applications in bioremediation. The key enzymes produced by lactic acid bacteria, such as phosphatase and esterase, play a vital role in breaking down insecticide molecules. Furthermore, the paper discusses the challenges and future directions in this field. However, more research is needed to optimize the utilization of lactic acid bacteria in insecticide residue degradation and to develop practical strategies for their implementation in real-world scenarios.
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Affiliation(s)
- K Kiruthika
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - A Suganthi
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
| | | | - R Anandham
- Department of Agricultural Microbiology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - P Renukadevi
- Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - M Murugan
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - Bimal Kumar Sahoo
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - Mohammad Ikram
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - P G Kavitha
- Department of Nematology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
| | - M Jayakanthan
- Department of Bioinformatics, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
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Chia XK, Hadibarata T, Kristanti RA, Jusoh MNH, Tan IS, Foo HCY. The function of microbial enzymes in breaking down soil contaminated with pesticides: a review. Bioprocess Biosyst Eng 2024; 47:597-620. [PMID: 38456898 PMCID: PMC11093808 DOI: 10.1007/s00449-024-02978-6] [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: 10/09/2023] [Accepted: 01/22/2024] [Indexed: 03/09/2024]
Abstract
The use of pesticides and the subsequent accumulation of residues in the soil has become a worldwide problem. Organochlorine (OC) pesticides have spread widely in the environment and caused contamination from past agricultural activities. This article reviews the bioremediation of pesticide compounds in soil using microbial enzymes, including the enzymatic degradation pathway and the recent development of enzyme-mediated bioremediation. Enzyme-mediated bioremediation is divided into phase I and phase II, where the former increases the solubility of pesticide compounds through oxidation-reduction and hydrolysis reactions, while the latter transforms toxic pollutants into less toxic or nontoxic products through conjugation reactions. The identified enzymes that can degrade OC insecticides include dehalogenases, phenol hydroxylase, and laccases. Recent developments to improve enzyme-mediated bioremediation include immobilization, encapsulation, and protein engineering, which ensure its stability, recyclability, handling and storage, and better control of the reaction.
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Affiliation(s)
- Xing Kai Chia
- Environmental Engineering Program, Curtin University Malaysia, CDT 250, 98009, Miri, Malaysia
| | - Tony Hadibarata
- Environmental Engineering Program, Curtin University Malaysia, CDT 250, 98009, Miri, Malaysia.
| | - Risky Ayu Kristanti
- Research Center for Oceanography, National Research and Innovation Agency, Pasir Putih I, Jakarta, 14430, Indonesia
| | | | - Inn Shi Tan
- Department of Chemical and Energy Engineering, Curtin University Malaysia, CDT 250, 98009, Miri, Malaysia
| | - Henry Chee Yew Foo
- Department of Chemical and Energy Engineering, Curtin University Malaysia, CDT 250, 98009, Miri, Malaysia
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Furtak A, Szafranek-Nakonieczna A, Furtak K, Pytlak A. A review of organophosphonates, their natural and anthropogenic sources, environmental fate and impact on microbial greenhouse gases emissions - Identifying knowledge gaps. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 355:120453. [PMID: 38430886 DOI: 10.1016/j.jenvman.2024.120453] [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: 10/03/2023] [Revised: 01/26/2024] [Accepted: 02/20/2024] [Indexed: 03/05/2024]
Abstract
Organophosphonates (OPs) are a unique group of natural and synthetic compounds, characterised by the presence of a stable, hard-to-cleave bond between the carbon and phosphorus atoms. OPs exhibit high resistance to abiotic degradation, excellent chelating properties and high biological activity. Despite the huge and increasing scale of OP production and use worldwide, little is known about their transportation and fate in the environment. Available data are dominated by information concerning the most recognised organophosphonate - the herbicide glyphosate - while other OPs have received little attention. In this paper, a comprehensive review of the current state of knowledge about natural and artificial OPs is presented (including glyphosate). Based on the available literature, a number of knowledge gaps have been identified that need to be filled in order to understand the environmental effects of these abundant compounds. Special attention has been given to GHG-related processes, with a particular focus on CH4. This stems from the recent discovery of OP-dependent CH4 production in aqueous environments under aerobic conditions. The process has changed the perception of the biogeochemical cycle of CH4, since it was previously thought that biological methane formation was only possible under anaerobic conditions. However, there is a lack of knowledge on whether OP-associated methane is also formed in soils. Moreover, it remains unclear whether anthropogenic OPs affect the CH4 cycle, a concern of significant importance in the context of the increasing rate of global warming. The literature examined in this review also calls for additional research into the date of OPs in waste and sewage and in their impact on environmental microbiomes.
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Affiliation(s)
- Adam Furtak
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Anna Szafranek-Nakonieczna
- Department of Biology and Biotechnology of Microorganisms, Institute of Medical Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1 I, 20-708, Lublin, Poland
| | - Karolina Furtak
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation - State Research Institute, Krańcowa 8, INCBR Centre, 24-100, Puławy, Poland
| | - Anna Pytlak
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland.
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Wu J, Lv J, Zhao L, Zhao R, Gao T, Xu Q, Liu D, Yu Q, Ma F. Exploring the role of microbial proteins in controlling environmental pollutants based on molecular simulation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167028. [PMID: 37704131 DOI: 10.1016/j.scitotenv.2023.167028] [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: 07/02/2023] [Revised: 09/03/2023] [Accepted: 09/10/2023] [Indexed: 09/15/2023]
Abstract
Molecular simulation has been widely used to study microbial proteins' structural composition and dynamic properties, such as volatility, flexibility, and stability at the microscopic scale. Herein, this review describes the key elements of molecular docking and molecular dynamics (MD) simulations in molecular simulation; reviews the techniques combined with molecular simulation, such as crystallography, spectroscopy, molecular biology, and machine learning, to validate simulation results and bridge information gaps in the structure, microenvironmental changes, expression mechanisms, and intensity quantification; illustrates the application of molecular simulation, in characterizing the molecular mechanisms of interaction of microbial proteins with four different types of contaminants, namely heavy metals (HMs), pesticides, dyes and emerging contaminants (ECs). Finally, the review outlines the important role of molecular simulations in the study of microbial proteins for controlling environmental contamination and provides ideas for the application of molecular simulation in screening microbial proteins and incorporating targeted mutagenesis to obtain more effective contaminant control proteins.
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Affiliation(s)
- Jieting Wu
- School of Environmental Science, Liaoning University, Shenyang 110036, China
| | - Jin Lv
- School of Environmental Science, Liaoning University, Shenyang 110036, China
| | - Lei Zhao
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Ruofan Zhao
- School of Environment, Beijing Normal University, Beijing 100875, China
| | - Tian Gao
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing 210098, China
| | - Qi Xu
- PetroChina Fushun Petrochemical Company, Fushun 113000, China
| | - Dongbo Liu
- School of Environmental Science, Liaoning University, Shenyang 110036, China
| | - Qiqi Yu
- School of Environmental Science, Liaoning University, Shenyang 110036, China
| | - Fang Ma
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin 150090, China.
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Kaur S, Chowdhary S, Kumar D, Bhattacharyya R, Banerjee D. Organophosphorus and carbamate pesticides: Molecular toxicology and laboratory testing. Clin Chim Acta 2023; 551:117584. [PMID: 37805177 DOI: 10.1016/j.cca.2023.117584] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 10/04/2023] [Accepted: 10/04/2023] [Indexed: 10/09/2023]
Abstract
Population and food requirements are increasing daily throughout the world. To fulfil these requirements application of pesticides is also increasing. Organophosphorous (OP) and Organocarbamate (OC) compounds are widely used pesticides. These pesticides are used for suicidal purposes too. Both inhibit Acetylcholinesterase (AChE) and cholinergic symptoms are mainly used for the diagnosis of pesticide poisoning. Although the symptoms of the intoxication of OP and OC are similar, recent research has described different targets for OP and OC pesticides. Researchers believe the distinction of OP/OC poisoning will be beneficial for the management of pesticide exposure. OP compounds produce adducts with several proteins. There is a new generation of OP compounds like glyphosate that do not inhibit AChE. Therefore, it's high time to develop biomarkers that can distinguish OP poisoning from OC poisoning.
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Affiliation(s)
- Sumanpreet Kaur
- Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh 160012, India
| | - Sheemona Chowdhary
- Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh 160012, India
| | - Deepak Kumar
- Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh 160012, India.
| | - Rajasri Bhattacharyya
- Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh 160012, India.
| | - Dibyajyoti Banerjee
- Department of Experimental Medicine and Biotechnology, PGIMER, Chandigarh 160012, India.
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Leskovac A, Petrović S. Pesticide Use and Degradation Strategies: Food Safety, Challenges and Perspectives. Foods 2023; 12:2709. [PMID: 37509801 PMCID: PMC10379487 DOI: 10.3390/foods12142709] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/11/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
While recognizing the gaps in pesticide regulations that impact consumer safety, public health concerns associated with pesticide contamination of foods are pointed out. The strategies and research directions proposed to prevent and/or reduce pesticide adverse effects on human health and the environment are discussed. Special attention is paid to organophosphate pesticides, as widely applied insecticides in agriculture, veterinary practices, and urban areas. Biotic and abiotic strategies for organophosphate pesticide degradation are discussed from a food safety perspective, indicating associated challenges and potential for further improvements. As food systems are endangered globally by unprecedented challenges, there is an urgent need to globally harmonize pesticide regulations and improve methodologies in the area of food safety to protect human health.
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Affiliation(s)
- Andreja Leskovac
- Vinca Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, M. Petrovića Alasa 12-14, 11000 Belgrade, Serbia
| | - Sandra Petrović
- Vinca Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, M. Petrovića Alasa 12-14, 11000 Belgrade, Serbia
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Carrier Variety Used in Immobilization of His 6-OPH Extends Its Application Areas. Polymers (Basel) 2023; 15:polym15030591. [PMID: 36771892 PMCID: PMC9920489 DOI: 10.3390/polym15030591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Organophosphorus hydrolase, containing a genetically introduced hexahistidine sequence (His6-OPH), attracts the attention of researchers by its promiscuous activity in hydrolytic reactions with various substrates, such as organophosphorus pesticides and chemical warfare agents, mycotoxins, and N-acyl homoserine lactones. The application of various carrier materials (metal-organic frameworks, polypeptides, bacterial cellulose, polyhydroxybutyrate, succinylated gelatin, etc.) for the immobilization and stabilization of His6-OPH by various methods, enables creation of biocatalysts with various properties and potential uses, in particular, as antidotes, recognition elements of biosensors, in fibers with chemical and biological protection, dressings with antimicrobial properties, highly porous sorbents for the degradation of toxicants, including in flow systems, etc. The use of computer modeling methods in the development of immobilized His6-OPH samples provides in silico prediction of emerging interactions between the enzyme and immobilizing polymer, which may have negative effects on the catalytic properties of the enzyme, and selection of the best options for experiments in vitro and in vivo. This review is aimed at analysis of known developments with immobilized His6-OPH, which allows to recognize existing recent trends in this field of research, as well as to identify the reasons limiting the use of a number of polymer molecules for the immobilization of this enzyme.
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Special Issue on "Enzymes as Biocatalysts: Current Research Trends and Applications". Int J Mol Sci 2022; 23:ijms232416209. [PMID: 36555848 PMCID: PMC9781805 DOI: 10.3390/ijms232416209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Enzymes are able to catalyze a wide diversity of chemical reactions in nature, and they do it at an amazing level [...].
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Not a Mistake but a Feature: Promiscuous Activity of Enzymes Meeting Mycotoxins. Catalysts 2022. [DOI: 10.3390/catal12101095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Mycotoxins are dangerous compounds and find multiple routes to enter living bodies of humans and animals. To solve the issue and degrade the toxicants, (bio)catalytic processes look very promising. Hexahistidine-tagged organophosphorus hydrolase (His6-OPH) is a well-studied catalyst for degradation of organophosphorus neurotoxins and lactone-containing quorum-sensing signal molecules. Moreover, the catalytic characteristics in hydrolysis of several mycotoxins (patulin, deoxynivalenol, zearalenone, and sterigmatocystin) were studied in this investigation. The best Michaelis constant and catalytic constant were estimated in the case of sterigmatocystin and patulin, respectively. A possible combination of His6-OPH with inorganic sorbents treated by low-temperature plasma was investigated. Further, enzyme–polyelectrolyte complexes of poly(glutamic acid) with His6-OPH and another enzymatic mycotoxin degrader (thermolysin) were successfully used to modify fiber materials. These catalytically active prototypes of protective materials appear to be useful for preventing surface contact and exposure to mycotoxins and other chemicals that are substrates for the enzymes used.
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Degradation of mycotoxins in mixtures by combined proteinous nanobiocatalysts: In silico, in vitro and in vivo. Int J Biol Macromol 2022; 218:866-877. [PMID: 35907453 DOI: 10.1016/j.ijbiomac.2022.07.179] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/19/2022] [Accepted: 07/22/2022] [Indexed: 01/13/2023]
Abstract
New combined proteinous (enzymatic) nanobiocatalysts capable of destructing mycotoxins in mixtures were developed and investigated in vitro and in vivo. Candidate enzymes for such combined biocatalysts were computationally screened using molecular docking of mycotoxins to the proteins. Catalytic characteristics of the 7 selected enzymes were estimated in the potential reactions with various mycotoxins (aflatoxin B1, citrinin, deoxynivalenol, ergotamine, fumonisin B1, gliotoxin, ochratoxin A, patulin, sterigmatocystin, T-2 toxin, zearalenone) at different pH values. To stabilize the enzymes hydrolyzing the mycotoxins, special biopolymers were selected using computer modeling. The poly(glutamic acid) was revealed as universal partner for the polyelectrolyte complexes with the selected enzymes. Finally, Sprague-Dawley rats were used for in vivo feeding experiments with feed contaminated by mycotoxin mixture at doses being up to orders of magnitude higher than maximum allowable limits. The treatment of contaminated feed by novel combined enzyme nanocomplexes significantly decreased negative effects of mycotoxin mixture on blood biochemical parameters which indicated huge damage to liver and kidneys of intoxicated animals. Such nanobiocatalysts and enzymatic treatment itself seem to be promising way for ensuring both food and feed chemical safety.
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“Unity and Struggle of Opposites” as a Basis for the Functioning of Synthetic Bacterial Immobilized Consortium That Continuously Degrades Organophosphorus Pesticides. Microorganisms 2022; 10:microorganisms10071394. [PMID: 35889114 PMCID: PMC9317566 DOI: 10.3390/microorganisms10071394] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/08/2022] [Accepted: 07/09/2022] [Indexed: 12/26/2022] Open
Abstract
This work was aimed at the development of an immobilized artificial consortium (IMAC) based on microorganisms belonging to the Gram-positive and Gram-negative bacterial cells capable of jointly carrying out the rapid and effective degradation of different organophosphorus pesticides (OPPs): paraoxon, parathion, methyl parathion, diazinon, chlorpyrifos, malathion, dimethoate, and demeton-S-methyl. A cryogel of poly(vinyl alcohol) was applied as a carrier for the IMAC. After a selection was made between several candidates of the genera Rhodococcus and Pseudomonas, the required combination of two cultures (P. esterophilus and R. ruber) was found. A further change in the ratio between the biomass of the cells inside the granules of IMAC, increasing the packing density of cells inside the same granules and decreasing the size of the granules with IMAC, gave a 225% improvement in the degradation activity of the cell combination. The increase in the velocity and the OPP degradation degree was 4.5 and 16 times greater than the individual P. esterophilus and R. ruber cells, respectively. Multiple uses of the obtained IMAC were demonstrated. The increase in IMAC lactonase activity confirmed the role of the cell quorum in the action efficiency of the synthetic biosystem. The co-inclusion of natural strains in a carrier during immobilization strengthened the IMAC activities without the genetic enhancement of the cells.
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Korkmaz IN, Türkeş C, Demir Y, Özdemir H, Beydemir Ş. Methyl benzoate derivatives: in vitro Paraoxonase 1 inhibition and in silico studies. J Biochem Mol Toxicol 2022; 36:e23152. [PMID: 35708184 DOI: 10.1002/jbt.23152] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/21/2022] [Accepted: 06/06/2022] [Indexed: 12/19/2022]
Abstract
Paraoxonase 1 (PON1) can metabolize some compounds such as aromatic carboxylic acid and unsaturated aliphatic esters, arylesters, cyclic carbonate, plucuronide drugs, some carbamate insecticide classes, nerve gases, and lactone compounds. Methyl benzoate has recently been shown to display potent toxicity against several insect species. In the current study, we aimed to investigate the effect of the methyl benzoate compounds (1-17) on PON1 activity. Methyl benzoate compounds inhibited PON1 with KI values ranging from 25.10 ± 4.73 to 502.10 ± 64.72 μM. Compound 10 (methyl 4-amino-2-bromo benzoate) showed the best inhibition (KI = 25.10 ± 4.73 μM). Furthermore, using the ADME-Tox, Glide XP, and MM-GBSA tools of the Schrödinger Suite 2021-4, a complete ligand-receptor interaction prediction was performed to characterize the methyl benzoates (1-17), probable binding modalities versus the PON1.
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Affiliation(s)
- Işıl Nihan Korkmaz
- Department of Chemistry, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Yeliz Demir
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, Ardahan, Turkey
| | - Hasan Özdemir
- Department of Chemistry, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey.,The Rectorate of Bilecik Şeyh Edebali University, Bilecik, Turkey
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Lushchekina SV, Nemukhin AV, Polyakov IV, Masson P, Varfolomeev SD, Grigorenko BL. Spontaneous Reactivation of OPC-Inhibited BChE Mutants: Modeling of Mechanisms. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B 2022. [DOI: 10.1134/s1990793122010237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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16
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Aslanli A, Lyagin I, Efremenko E. Decarboxylases as hypothetical targets for actions of organophosphates: Molecular modeling for prediction of hidden and unexpected health threats. Food Chem Toxicol 2022; 161:112856. [PMID: 35151785 DOI: 10.1016/j.fct.2022.112856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/19/2022] [Accepted: 02/07/2022] [Indexed: 12/14/2022]
Abstract
The rise of various neurodegenerative disorders are somewhat correlating with the worldwide application of multiple anthropogenic toxicants. Though different possible targets were revealed to date, for example, for organophosphorus compounds (OPs), plenty of questions remain. Several decarboxylases (aromatic amino acid decarboxylase, AADC; histidine decarboxylase, HDC; glutamate decarboxylase, GAD) catalyze the biosynthesis of neurotransmitters and neuromodulators and contain pyridoxal phosphate (PLP) as a cofactor. In the current work, 18 OPs which have different neurotoxicity (chemical warfare agents and pesticides) and can penetrate through the blood-brain barrier, were selected. Then, their possible interaction with these decarboxylases in both apo- and holoforms was revealed using computer modeling methods (molecular docking and dynamics). The main amino acid residues of the enzymes responsible for binding OPs have been identified. Individual substances that are most dangerous from the point of view of a possible negative effect on the activity of several decarboxylases were revealed among studied OPs. Glyphosate should be of special interest, since it is not highly toxic towards serine hydrolases, but may prove to be a strong inhibitor for decarboxylases. Holo-AADC could be the most inhibition-prone enzyme among all those investigated.
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Affiliation(s)
- Aysel Aslanli
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991, Moscow, Russia
| | - Ilya Lyagin
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991, Moscow, Russia; N.M. Emanuel Institute of Biochemical Physics RAS, Kosygin str., 4, 119334, Moscow, Russia
| | - Elena Efremenko
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991, Moscow, Russia; N.M. Emanuel Institute of Biochemical Physics RAS, Kosygin str., 4, 119334, Moscow, Russia.
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Combined Modification of Fiber Materials by Enzymes and Metal Nanoparticles for Chemical and Biological Protection. Int J Mol Sci 2022; 23:ijms23031359. [PMID: 35163283 PMCID: PMC8835833 DOI: 10.3390/ijms23031359] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/13/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022] Open
Abstract
To obtain fiber materials with pronounced chemical-biological protection, metal (Zn or Ta) nanoparticles were jointly applied with polyelectrolyte complexes of enzymes and polypeptides being their stabilizers. Computer modeling revealed the preferences between certain polyelectrolyte partners for N-acyl-homoserine lactone acylase and hexahistidine-tagged organophosphorus hydrolase (His6-OPH) possessing the quorum quenching (QQ) behavior with bacterial cells. The combinations of metal nanoparticles and enzymes appeared to function better as compared to the combinations of the same QQ-enzymes with antibiotics (polymyxins), making it possible to decrease the applied quantities by orders of magnitude while giving the same effect. The elimination of Gram-positive and Gram-negative bacterial cells from doubly modified fiber materials notably increased (up to 2.9-fold), whereas His6-OPH retained its hydrolytic activity in reaction with organophosphorus compounds (up to 74% of initially applied activity). Materials with the certain enzyme and Zn nanoparticles were more efficient against Bacillus subtilis cells (up to 2.1-fold), and Ta nanoparticles acted preferentially against Escherichia coli (up to 1.5-fold). Some materials were proved to be more suitable for combined modification by metal nanoparticles and His6-OPH complexes as antimicrobial protectants.
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Bhattacharjee S, Chakraborty T, Bhaumik A. A Ce-MOF as an alkaline phosphatase mimic: Ce-OH 2 sites in catalytic dephosphorylation. Inorg Chem Front 2022. [DOI: 10.1039/d2qi01443b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For the first time, a metal–organic framework (Ce-MOF) bearing a Ce–OH2–Ce motif was used to mimic the active sites of alkaline phosphatase.
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Affiliation(s)
- Sudip Bhattacharjee
- School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Tonmoy Chakraborty
- School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Asim Bhaumik
- School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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Belinskaia DA, Voronina PA, Vovk MA, Shmurak VI, Batalova AA, Jenkins RO, Goncharov NV. Esterase Activity of Serum Albumin Studied by 1H NMR Spectroscopy and Molecular Modelling. Int J Mol Sci 2021; 22:10593. [PMID: 34638934 PMCID: PMC8508922 DOI: 10.3390/ijms221910593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/26/2021] [Accepted: 09/27/2021] [Indexed: 11/17/2022] Open
Abstract
Serum albumin possesses esterase and pseudo-esterase activities towards a number of endogenous and exogenous substrates, but the mechanism of interaction of various esters and other compounds with albumin is still unclear. In the present study, proton nuclear magnetic resonance (1H NMR) has been applied to the study of true esterase activity of albumin, using the example of bovine serum albumin (BSA) and p-nitrophenyl acetate (NPA). The site of BSA esterase activity was then determined using molecular modelling methods. According to the data obtained, the accumulation of acetate in the presence of BSA in the reaction mixture is much more intense as compared with the spontaneous hydrolysis of NPA, which indicates true esterase activity of albumin towards NPA. Similar results were obtained for p-nitophenyl propionate (NPP) as substrate. The rate of acetate and propionate release confirms the assumption that there is a site of true esterase activity in the albumin molecule, which is different from the site of the pseudo-esterase activity Sudlow II. The results of molecular modelling of BSA and NPA interaction make it possible to postulate that Sudlow site I is the site of true esterase activity of albumin.
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Affiliation(s)
- Daria A. Belinskaia
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, 194223 St. Petersburg, Russia; (P.A.V.); (V.I.S.); (A.A.B.); (N.V.G.)
| | - Polina A. Voronina
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, 194223 St. Petersburg, Russia; (P.A.V.); (V.I.S.); (A.A.B.); (N.V.G.)
| | - Mikhail A. Vovk
- Centre for Magnetic Resonance, St. Petersburg State University, Universitetskij pr., 26, Peterhof, 198504 St. Petersburg, Russia;
| | - Vladimir I. Shmurak
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, 194223 St. Petersburg, Russia; (P.A.V.); (V.I.S.); (A.A.B.); (N.V.G.)
| | - Anastasia A. Batalova
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, 194223 St. Petersburg, Russia; (P.A.V.); (V.I.S.); (A.A.B.); (N.V.G.)
| | - Richard O. Jenkins
- Leicester School of Allied Health Sciences, De Montfort University, The Gateway, Leicester LE1 9BH, UK;
| | - Nikolay V. Goncharov
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, pr. Torez 44, 194223 St. Petersburg, Russia; (P.A.V.); (V.I.S.); (A.A.B.); (N.V.G.)
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A Sustainable Improvement of ω-Bromoalkylphosphonates Synthesis to Access Novel KuQuinones. ORGANICS 2021. [DOI: 10.3390/org2020010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Owing to the attractiveness of organic phosphonic acids and esters in the pharmacological field and in the functionalization of conductive metal-oxides, the research of effective synthetic protocols is pivotal. Among the others, ω-bromoalkylphosphonates are gaining particular attention because they are useful building blocks for the tailored functionalization of complex organic molecules. Hence, in this work, the optimization of Michaelis–Arbuzov reaction conditions for ω-bromoalkylphosphonates has been performed, to improve process sustainability while maintaining good yields. Synthesized ω-bromoalkylphosphonates have been successfully adopted for the synthesis of new KuQuinone phosphonate esters and, by hydrolysis, phosphonic acid KuQuinone derivatives have been obtained for the first time. Considering the high affinity with metal-oxides, KuQuinones bearing phosphonic acid terminal groups are promising candidates for biomedical and photo(electro)chemical applications.
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