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Isolation, purification and characterization of peroxidase from Raphanus sativus and its applications in biotransformation of cresols. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Chen F, Aqeel M, Maqsood MF, Khalid N, Irshad MK, Ibrahim M, Akhter N, Afzaal M, Ma J, Hashem M, Alamri S, Noman A, Lam SS. Mitigation of lead toxicity in Vigna radiata genotypes by silver nanoparticles. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119606. [PMID: 35716894 DOI: 10.1016/j.envpol.2022.119606] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/12/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Heavy metal (HM) contamination of the soil through anthropogenic activities influences the living systems and drastically impacts food chain. This study examined the application of silver nanoparticles (AgNPs) in two genotypes (G1 and G2) of Mung bean (Vigna radiata) for ameliorating the Pb toxicity. Different doses of Pb (0, 25, 50 μM) were differentially tackled by AgNPs with the aim of ameliorating the plant attributes. Both genotypes displayed statistically significant quantitative and qualitative modulations for Pb tolerance. In G2, the most prominent increase in plant height (43.79%), fresh biomass (49.56%) and total chlorophyll (20%) was observed at L2 (AgNPs 10 mg/L) in comparison with the control. Overall, photosynthetic rate was increased by 26% in G2 at L6 (AgNPs 25 mg/L + Pb 25 μM). In addition, the results presented 78.5% increase in water use efficiency of G2 while G1 experienced a maximum internal CO2 concentration (209.8%) at L8 (Pb 50 μM). AgNPs triggered balanced uptake of minerals and improved growth of Vigna genotypes. 50 μM Pb was most hazardous and caused maximum reduction in growth of Vigna plants along with a significant suppression in photosynthetic activity, increase in MDA (199.7%) in G1 and H2O2 (292.8%) in G2. In comparison to control, maximum superoxide dismutase (376%), peroxidase (659.8%) and catalase (9.3%) activity was observed in G2 at L11. The application of AgNPs substantially enhanced plant growth and helped them in surviving well in absence as well as presence of Pb. G2 genotype exhibited substantial tolerance capability and revealed less impairment in the studied attributes than G1 and treatment of AgNPs i.e. 25 mg/L was the best level that yielded best results in both genotypes. The results demonstrate that AgNPs mediate response(s) of plants under Pb stress and particularly contributed to HM tolerance of plants and thus showing great promise for use in phytoremediation.
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Affiliation(s)
- Fu Chen
- School of Public Administration, Hohai University, Nanjing, 210098, China; Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou, 221116, PR China
| | - Muhammad Aqeel
- State Key Laboratory of Grassland Agro-ecosystems, School of Life Sciences, Lanzhou University, Lanzhou, 730000, Gansu, PR China
| | | | - Noreen Khalid
- Department of Botany, Government College Women University Sialkot, Sialkot, Pakistan
| | - Muhammad Kashif Irshad
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Ibrahim
- Department of Environmental Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Noreen Akhter
- Department of Botany, Government College Women University, Faisalabad, 38060, Pakistan
| | - Muhammad Afzaal
- School of Science, Engineering and Environment, University of Salford, Manchester, United Kingdom
| | - Jing Ma
- School of Public Administration, Hohai University, Nanjing, 210098, China; Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou, 221116, PR China
| | - Mohamed Hashem
- Department of Biology, Faculty of Science, King Khalid University, Abha, 61413, Saudi Arabia; Assiut University, Faculty of Science, Botany and Microbiology Department, Assiut, 71516, Egypt
| | - Saad Alamri
- Department of Biology, Faculty of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Ali Noman
- Department of Botany, Government College University, Faisalabad, Pakistan.
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia
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Soleimani Asl S, Karkhane AA, Zamani Amirzakaria J, Akbari Noghabi K, Ghashghaie J, Haghbeen K. Structure and activity of a novel robust peroxidase from Alkanna frigida cell culture. PHYTOCHEMISTRY 2022; 194:113022. [PMID: 34826793 DOI: 10.1016/j.phytochem.2021.113022] [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: 08/13/2021] [Revised: 11/13/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
Demands for peroxidases (POX)s with diverse physicochemical properties have steadily grown as more applications of POXs are demonstrated. Plants are among the best sources of versatile POXs, and plant biotechnology, as an agricultural hassle-free technology, promises to circumvent the limitations of natural resource exploitation and to address the demands. Following this trend, it was shown that POX production steadily increased during the 31-day subculture of Alkanna frigida (from Boraginaceae) callus on Murashige-Skoog medium containing 2,4-dichlorophenoxyacetic acid (10-6 M) and kinetin (10-5 M). The purified cationic enzyme (POXalf) maintained its optimal activity over pH 4-7 for 2 years. It was resistant to H2O2 high concentrations (IC50 = 543.7 mM) and showed high specific activity in the reaction with phenol (4320.5 AU mg-1 > 20-fold of HRP AU). Furthermore, the specificity constant ratio of guaiacol to phenol indicated a 100 times faster reaction of POXalf with guaiacol. However, in contrast to HRP, it had little effect on diazo derivatives of aniline and meta-diaminobenzene. Based on the resulting primary structure from the tandem mass analysis, the POXalf 3D structure was constructed via homology modelling. Despite the high topological similarity between the HRP and POXalf structures, there were important differences between the active site pockets that could explain the observed differences in the corresponding substrate spectra and the specific activities. Considering the dynamics of POXalf production, its inactivity towards IAA and its high affinity for guaiacol, POXalf may have associated roles with A. frigida cell wall construction and monolignol metabolism.
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Affiliation(s)
| | | | | | | | - Jaleh Ghashghaie
- Laboratoire d'Ecologie, Systématique et Evolution (ESE), Université de Paris-Sud, CNRS, AgroParisTech, Université de Paris-Saclay, 91400 Orsay, France
| | - Kamahldin Haghbeen
- National Institute for Genetic Engineering and Biotechnology, Tehran, Iran.
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Mechanism of action, sources, and application of peroxidases. Food Res Int 2021; 143:110266. [PMID: 33992367 DOI: 10.1016/j.foodres.2021.110266] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/28/2021] [Accepted: 02/21/2021] [Indexed: 02/06/2023]
Abstract
Peroxidase is an enzyme in the group of oxidoreductases that is widely distributed in nature. It can catalyze the oxidation of various organic and inorganic substrates by reacting with hydrogen peroxide and similar molecules. Due to its wide catalytic activity, peroxidases can act in the removal of both phenolic compounds and peroxides, in chemical synthesis and, according to recent studies, in mycotoxin degradation. Therefore, this study aimed at introducing an overview of the mechanism of peroxidase action, extraction sources, mycotoxin degradation capacity and other potential applications in the food industry.
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Dahdouh A, Kati DE, Bachir-Bey M, Aksas A, Rezgui F. Deployment of response surface methodology to optimize microencapsulation of peroxidases from turnip roots (Brassica rapa L.) by double emulsion in PLA polymer. J Food Sci 2021; 86:1893-1906. [PMID: 33895995 DOI: 10.1111/1750-3841.15721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 03/05/2021] [Accepted: 03/13/2021] [Indexed: 11/27/2022]
Abstract
In order to improve the preservation conditions and stability of peroxidase catalytic properties, a number of immobilization techniques have been widely developed. In this context, we set as objective, the optimization of synthesis and stability of microcapsules of peroxidases (POD) from turnip using polylactic acid (PLA) polymer with the double emulsion technique. The surfactant, polymer, and peroxidase concentrations were the optimized parameters. According to the results obtained using the Box-Behnken design, the optimal parameters found were 1.55% of PVA, 55 mg/mL of peroxidases, and 30 mg/mL of PLA polymer with an encapsulation efficiency of 57.29%. The scanning electron microscopy morphological characterization of the optimized microcapsules showed a regular spherical structure. Fourier transform infrared spectroscopy identified the specific functional groups and chemical bonds before and after microencapsulation. The elaborated microcapsules were characterized by an average size of 200 µm (mainly from 150 to 500 µm) with a low residual moisture content (2.26%) and the encapsulated peroxidases showed better thermal stability. The in vitro release of peroxidases confirmed that the microcapsules have an excellent sustained release in simulated gastric digestion. Encapsulated peroxidases' storage under 25 and 4 °C displays a good residual POD activity with about 60% of initial activities during 80 days of storage, whereas free POD losses its initial activity within 15 and 30 days, respectively. The obtained results are promising for the development of effective therapeutic treatment of some intestinal troubles due to oxidative stress. PRACTICAL APPLICATION: Brassica rapa L. root is well known for its richness on peroxidases and thus presents an interesting potential for developing high added value products. In order to preserve the activity of extracted peroxidases (POD) from turnip roots, microencapsulation was optimized using a polylactic acid polymer. The encapsulated POD showed the maintenance of its activity under the effect of different storage conditions (time and temperature) and demonstrated resistance to gastric acidity. According to the obtained results, the encapsulation of peroxidases opens up medicine and pharmaceutical applications such as intestinal and colic protection against inflammations.
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Affiliation(s)
- Amel Dahdouh
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Djamel Edine Kati
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Mostapha Bachir-Bey
- Laboratoire de Biochimie Appliquée, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Ali Aksas
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Farouk Rezgui
- Laboratoire des Matériaux organiques, Département de Génie des Procèdes, Faculté de Technologie, Université de Bejaia, Bejaia, Algeria
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Koohi S, Nasernejad B, Zare MH, Elahifard M, Shirazian S, Ghadiri M. Extraction of Oxidative Enzymes from Green Tea Leaves and Optimization of Extraction Conditions. Chem Eng Technol 2020. [DOI: 10.1002/ceat.202000344] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Saleh Koohi
- Amirkabir University of Technology Chemical Engineering Department Tehran Iran
| | - Bahram Nasernejad
- Amirkabir University of Technology Chemical Engineering Department Tehran Iran
| | - Masoud Habibi Zare
- Isfahan University of Technology Department of Chemical Engineering 84156-83111 Isfahan Iran
| | - Maryam Elahifard
- Islamic Azad University Department of Food Technology, Mahallat Branch Mahallat Iran
| | - Saeed Shirazian
- University of Limerick Department of Chemical Sciences Bernal Institute Limerick Ireland
- South Ural State University Laboratory of Computational Modeling of Drugs 76 Lenin prospekt 454080 Chelyabinsk Russia
| | - Mahdi Ghadiri
- Duy Tan University Institute of Research and Development 550000 Da Nang Vietnam
- Duy Tan University The Faculty of Environment and Chemical Engineering 550000 Da Nang Vietnam
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Oztekin A, Tasbasi S. A novel peroxidase from runner bean (Phaseolus coccineus L.): Enhanced affinity purification, characterization, and dye decolorization activity. J Food Biochem 2020; 44:e13411. [PMID: 32748491 DOI: 10.1111/jfbc.13411] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 12/14/2022]
Abstract
In this study, a novel runner bean peroxidase (RBP) was purified and characterized. Affinity-based purification was performed with newly synthesized disubstituted 4-aminobenzohydrazides. In the purification results, 253-fold was achieved with a yield of 56.2%. Furthermore, molecular weight and enzyme purity were checked with the SDS-PAGE and observed a single band at 31.2 kDa. Optimum conditions were determined as temperature = 50°C, ionic strength = 0.2 M, and pH 7.0. Enzyme exhibited 31.2% of residual activity in the presence of 20% DMSO. Additionally, the redox-mediated decolorization effect of the enzyme was examined for Reactive Blue 19 and Acid Blue 25 dyes. As a result of 1-hr incubation, the enzyme removal activity of Reactive Blue 19 and Acid Blue 25 dyes was calculated as 47% and 57%, respectively. PRACTICAL APPLICATIONS: Peroxidases (PODs) ability to catalyze various redox reactions for many substrates makes them significant enzymes in industrial sectors. In our current report, a single-step strategy was developed and followed as an alternative to multi-step methods commonly used for the purification of PODs. During this process, high yield was achieved and the separation time was shortened. Also, the purification of RBP that can potentially supplant PODs used in the industrial applications was carried out for the first time. In addition, substrate specificity, catalytic behavior in water-miscible organic solvents, and dye bleaching activity of this enzyme have been determined to evaluate the utilization capacity in various processes.
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Affiliation(s)
- Aykut Oztekin
- Department of Medical Services and Techniques, Vocational School of Health Services, Agri Ibrahim Cecen University, Agri, Turkey
| | - Seyma Tasbasi
- Department of Chemistry, Science and Literature Faculty, Agri Ibrahim Cecen University, Agri, Turkey
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