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Hanfland J, Lousberg J, Ringbeck B, Schäfers C, Schlich K, Eilebrecht S. Short-term test for the toxicogenomic assessment of ecotoxic modes of action in Myriophyllum spicatum. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171722. [PMID: 38490423 DOI: 10.1016/j.scitotenv.2024.171722] [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: 01/19/2024] [Revised: 03/03/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
In environmental risk assessment of substances, the 14-day growth inhibition test following OECD test guideline 239 is employed to assess toxicity in the macrophyte Myriophyllum spicatum. Currently, this test evaluates physiological parameters and does not allow the identification of the mode of action (MoA) by which adverse effects are induced. However, for an improved ecotoxicity assessment of substances, knowledge about their ecotoxic MoA in non-target organisms is required. It has previously been suggested that the identification of gene expression changes can contribute to MoA identification. Therefore, we developed a shortened three-day assay for M. spicatum including the transcriptomic assessment of global gene expression changes and applied this assay to two model substances, the herbicide and photosynthesis inhibitor bentazone and the pharmaceutical and HMG-CoA reductase inhibitor atorvastatin. Due to the lack of a reference genome for M. spicatum we performed a de novo transcriptome assembly followed by a functional annotation to use the toxicogenomic results for MoA discrimination. The gene expression changes induced by low effect concentrations of these substances were used to identify differentially expressed genes (DEGs) and impaired biological functions for the respective MoA. We observed both concentration-dependent numbers and differentiated patterns of DEGs for both substances. While bentazone impaired genes involved in the response to reactive oxygen species as well as light response, and also genes involved in developmental processes, atorvastatin exposure led to a differential regulation of genes related to brassinosteroid response as well as potential metabolic shifts between the mevalonate and methyl erythritol 4-phosphate pathway. Based on these responses, we identified biomarker candidates for the assessment of MoA in M. spicatum. Utilizing the shortened assay developed in this study, the investigation of the identified biomarker candidates may contribute to the development of future MoA-specific screening approaches in the ecotoxicological hazard prediction using aquatic non-standard model organisms.
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Affiliation(s)
- Jost Hanfland
- Department Ecotoxicogenomics, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany; Faculty of Biology, University of Münster, Schlossplatz 4, 49149 Münster, Germany.
| | - Joëlle Lousberg
- Department Ecotoxicology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany; Department of Biology, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany.
| | - Benedikt Ringbeck
- Department Trace Analysis and Environmental Monitoring, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany.
| | - Christoph Schäfers
- Department Ecotoxicology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany.
| | - Karsten Schlich
- Department Ecotoxicology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany.
| | - Sebastian Eilebrecht
- Department Ecotoxicogenomics, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Auf dem Aberg 1, 57392 Schmallenberg, Germany.
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Cassier-Chauvat C, Marceau F, Farci S, Ouchane S, Chauvat F. The Glutathione System: A Journey from Cyanobacteria to Higher Eukaryotes. Antioxidants (Basel) 2023; 12:1199. [PMID: 37371929 DOI: 10.3390/antiox12061199] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
From bacteria to plants and humans, the glutathione system plays a pleiotropic role in cell defense against metabolic, oxidative and metal stresses. Glutathione (GSH), the γ-L-glutamyl-L-cysteinyl-glycine nucleophile tri-peptide, is the central player of this system that acts in redox homeostasis, detoxification and iron metabolism in most living organisms. GSH directly scavenges diverse reactive oxygen species (ROS), such as singlet oxygen, superoxide anion, hydrogen peroxide, hydroxyl radical, nitric oxide and carbon radicals. It also serves as a cofactor for various enzymes, such as glutaredoxins (Grxs), glutathione peroxidases (Gpxs), glutathione reductase (GR) and glutathione-S-transferases (GSTs), which play crucial roles in cell detoxication. This review summarizes what is known concerning the GSH-system (GSH, GSH-derived metabolites and GSH-dependent enzymes) in selected model organisms (Escherichia coli, Saccharomyces cerevisiae, Arabidopsis thaliana and human), emphasizing cyanobacteria for the following reasons. Cyanobacteria are environmentally crucial and biotechnologically important organisms that are regarded as having evolved photosynthesis and the GSH system to protect themselves against the ROS produced by their active photoautotrophic metabolism. Furthermore, cyanobacteria synthesize the GSH-derived metabolites, ergothioneine and phytochelatin, that play crucial roles in cell detoxication in humans and plants, respectively. Cyanobacteria also synthesize the thiol-less GSH homologs ophthalmate and norophthalmate that serve as biomarkers of various diseases in humans. Hence, cyanobacteria are well-suited to thoroughly analyze the role/specificity/redundancy of the players of the GSH-system using a genetic approach (deletion/overproduction) that is hardly feasible with other model organisms (E. coli and S. cerevisiae do not synthesize ergothioneine, while plants and humans acquire it from their soil and their diet, respectively).
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Affiliation(s)
- Corinne Cassier-Chauvat
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), F-91190 Gif-sur-Yvette, France
| | - Fanny Marceau
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), F-91190 Gif-sur-Yvette, France
| | - Sandrine Farci
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), F-91190 Gif-sur-Yvette, France
| | - Soufian Ouchane
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), F-91190 Gif-sur-Yvette, France
| | - Franck Chauvat
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), F-91190 Gif-sur-Yvette, France
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Wang L, Wang Y, Chen M, Qin Y, Zhou Y. Hydrophobic deep eutectic solvent based dispersive liquid–liquid microextraction for the preconcentration and HPLC analysis of five rice paddy herbicides in water samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Saleh SMM, Mohamed IA, Fathy M, Sayed AEDH. Neuro-hepatopathological changes in juvenile Oreochromis niloticus exposed to sublethal concentrations of commercial herbicides. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 93:103871. [PMID: 35500867 DOI: 10.1016/j.etap.2022.103871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/26/2022] [Indexed: 02/07/2023]
Abstract
The current study estimates the impact of different common herbicides on antioxidant defenses and histological structure of liver and spinal cord of juvenile tilapia. Eighty-four fish were divided into seven groups: group 1 fish acted as controls and the remaining fish were exposed to sublethal concentrations of acetochlor, bispyribac-sodium, bentazon, bensulfuron-methyl, halosulfuron-methyl, or quinclorac at sublethal concentrations 2.625, 0.800, 36.00, 2.50, 1.275, and 11.250 mg/l, respectively, for 96 h. Antioxidant parameters changed in response to some test herbicides and the greatest effects were caused by exposure to acetochlor and quinelorac for all antioxidant measurements. Prominent histological changes in liver tissue included loss of liver architecture and the appearance of fatty liver cells, necrotic areas, foci of leukocytic infiltration and many apoptotic cells. The most obvious changes in the spinal cord in all treated fish were degradation of myelinated white matter fibers with the emergence of empty spaces, large aggregation of pyknotic neuroglial nuclei, and damaged areas in the dorsal horn of gray matter. Collectively, the harmful effect of tested herbicides on antioxidant capacity and significant alterations in histological structures of liver and spinal cord of Oreochromis niloticus.
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Affiliation(s)
- Shaimaa M M Saleh
- Department of Zoology and Entomology, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Ibrahim A Mohamed
- Plant protection Department, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt
| | - Mohamed Fathy
- Plant protection Department, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt
| | - Alaa El-Din H Sayed
- Department of Zoology and Entomology, Faculty of Science, Assiut University, Assiut 71516, Egypt.
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Sachu M, Kynshi BL, Syiem MB. A biochemical, physiological and molecular evaluation of how the herbicide 2, 4-dichlorophenoxyacetic acid intercedes photosynthesis and diazotrophy in the cyanobacterium Nostoc muscorum Meg 1. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:36684-36698. [PMID: 35064489 DOI: 10.1007/s11356-021-18000-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
Among the non-target microorganisms residing in crop fields that are potentially vulnerable to herbicides are cyanobacteria. They contribute to the maintenance of soil quality and fertility and hence are considered to be an important component of soil microflora. Consequently, the present study was aimed to check the influence of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) on some major parameters of carbon (CO2) and nitrogen (N2) fixations of a cyanobacterium Nostoc muscorum Meg 1 isolated from a rice field in Cherrapunji, Meghalaya, India. These include various photosynthetic pigments, the oxygen-evolving complex activity of the PSII, the protein contents of RuBisCO, D1 protein, isocitrate dehydrogenase (IDH), nitrogenase and glutamine synthetase (GS) enzymes, the heterocyst percentage, nitrogenase and GS enzyme activities, and production of total proteins and carbohydrates in the cyanobacterium in a varying range of 50 to 125 ppm doses of 2,4-D. The mRNA levels of several proteins were also analyzed. Besides carotenoid concentration that enhanced at 50 ppm, all other parameters were compromised by 2,4-D in a dose-dependent manner resulting in a reduction in photosynthetic and N2-fixing activities. The negative effect on N2-fixation was partly due to compromised IDH activity. RT-PCR analysis further showed that these negative effects were initiated at transcription levels as mRNA contents of all enzymes studied were found compromised under 2,4-D exposure. The scanning and transmission electron microscopy further revealed herbicide induced adverse changes in the morphology and ultrastructure of the organism. The significance of the work lies in its detailed analysis of the effect of 2,4-D at biochemical, physiological, and molecular levels.
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Affiliation(s)
- Meguovilie Sachu
- Department of Biochemistry, North-Eastern Hill University, Shillong - 793022, Meghalaya, India
| | | | - Mayashree B Syiem
- Department of Biochemistry, North-Eastern Hill University, Shillong - 793022, Meghalaya, India.
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Kuižová A, Přikryl M, Procházka M, Kočišová E. Drop coating deposition Raman (DCDR) spectroscopy of contaminants. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120109. [PMID: 34214739 DOI: 10.1016/j.saa.2021.120109] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/02/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
Raman spectroscopy is a useful technique to identify small organic molecules, including contaminants. The drop coating deposition Raman (DCDR) is more sensitive than conventional Raman spectroscopy from solution. It is based on Raman measurement from a small drop dried on a hydrophobic surface where studied molecules are preconcentrated. In this paper, DCDR spectra of dried drops of selected contaminants (food contaminant melamine, fungicide thiram, herbicides bentazon and picloram) on the hydrophobic substrate were acquired for the first time, whereas Raman spectra from stock solutions were impossible to obtain under the same experimental conditions. The lowest DCDR detected concentrations were determined as 6.4 µM, 0.31 µM, 20 µM and 2 µM in deposited concentrations for melamine, thiram, bentazon and picloram, respectively. Therefore, DCDR spectroscopy can serve to detect these molecules in concentrations relevant in food/groundwater contaminations.
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Affiliation(s)
- Alžbeta Kuižová
- Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
| | - Mikuláš Přikryl
- Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
| | - Marek Procházka
- Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
| | - Eva Kočišová
- Charles University, Faculty of Mathematics and Physics, Institute of Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic.
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Distribution and diversity of algal communities in rice terrace agroecosystem of a hilly district of southern Assam, North-East India. Trop Ecol 2021. [DOI: 10.1007/s42965-021-00188-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Sintra TE, Bagagem SS, Ghazizadeh Ahsaie F, Fernandes A, Martins M, Macário IP, Pereira JL, Gonçalves FJ, Pazuki G, Coutinho JA, Ventura SP. Sequential recovery of C-phycocyanin and chlorophylls from Anabaena cylindrica. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117538] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Time-Dependent Effects of Bentazon Application on the Key Antioxidant Enzymes of Soybean and Common Ragweed. SUSTAINABILITY 2020. [DOI: 10.3390/su12093872] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The presence or absence of light is one of the most significant environmental factors affecting plant growth and defence. Therefore, the selection of the most appropriate time of application may maximize the benefits of photosynthetic inhibitors. In this work, the concentration and daytime or night-time-dependent effects of bentazon were tested in soybean and common ragweed. The recommended dose (1440 g ha−1) and also half the recommended dose significantly reduced the maximum quantum yield (Fv/Fm) and increased H2O2 levels in common ragweed. Interestingly, bentazon did not change Fv/Fm in soybean. The activity of superoxide dismutase changed in a dose-dependent manner only in common ragweed. The activity of ascorbate peroxidase, catalase and glutathione S-transferase (GST), as well as the contents of ascorbate (AsA) and glutathione (GSH) did not change significantly in this plant species. In soybean, alterations in H2O2 levels were lower but GST and APX activity, as well as AsA and GSH levels were higher compared to common ragweed. At the same time, the rate of lipid peroxidation and ion leakage increased upon bentazon, and were higher in the light phase-treated leaves in the case of both plant species. These results can contribute to optimizing the effects and uses of herbicides in agriculture.
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Ruhil K, Prasad SM. Nostoc muscorum and Phormidium foveolarum differentially respond to butachlor and UV-B stress. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2020; 26:841-856. [PMID: 32255944 PMCID: PMC7113359 DOI: 10.1007/s12298-019-00754-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 11/28/2019] [Accepted: 12/27/2019] [Indexed: 06/11/2023]
Abstract
Present study deals with responses of two cyanobacteria viz. Nostoc muscorum and Phormidium foveolarum against butachlor [2-chloro-2,6-diethyl-N-(butoxymethyl) acetanilide] (low dose; 5 µg mL-1 and high dose; 10 µg mL-1) and UV-B (7.2 kJ m-2) alone, and in combination. Butachlor and UV-B exposure, alone and in combination, suppressed growth of both the cyanobacteria. This was accompanied by inhibitory effect on whole cell oxygen evolution and photosynthetic electron transport activities. Both the stressors induced the oxidative stress as there was significant increase in superoxide radical (O2 ·-) and hydrogen peroxide (H2O2) contents resulting into increased lipid peroxidation and electrolyte leakage. In N. muscorum, low dose of butachlor and UV-B alone increased the activities of superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD), while activity of all these enzymatic antioxidants declined significantly at treatments with high dose of butachlor alone, and with low and high doses of butachlor and UV-B in combination. In P. foveolarum, enhanced activity of SOD, CAT and POD (except POD at high dose of butachlor and UV-B combination) was noticed. Ascorbate level in N. muscorum declined progressively with increasing intensity of stress while in P. foveolarum varied response was noticed. Proline contents increased progressively under tested stress in both the organisms. Overall results suggest that N. muscorum was more sensitive than P. foveolarum against butachlor and UV-B stresses. Hence, P. foveolarum may be preferred in paddy field for sustainable agriculture.
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Affiliation(s)
- Kamal Ruhil
- Lab No. 114, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067 India
| | - Sheo Mohan Prasad
- Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Allahabad, 211002 India
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Abinandan S, Subashchandrabose SR, Venkateswarlu K, Megharaj M. Soil microalgae and cyanobacteria: the biotechnological potential in the maintenance of soil fertility and health. Crit Rev Biotechnol 2019; 39:981-998. [PMID: 31455102 DOI: 10.1080/07388551.2019.1654972] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The soil microbiota plays a major role in maintaining the nutrient balance, carbon sink, and soil health. Numerous studies reported on the function of microbiota such as plant growth-promoting bacteria and fungi in soil. Although microalgae and cyanobacteria are ubiquitous in soil, very less attention has been paid on the potential of these microorganisms. The indiscriminate use of various chemicals to enhance agricultural productivity led to serious consequences like structure instability, accumulation of toxic contaminants, etc., leading to an ecological imbalance between soil, plant, and microbiota. However, the significant role of microalgae and cyanobacteria in crop productivity and other potential options has been so far undermined. The intent of the present critical review is to highlight the significance of this unique group of microorganisms in terms of maintaining soil fertility and soil health. Beneficial soil ecological applications of these two groups in enhancing plant growth, establishing interrelationships among other microbes, and detoxifying chemical agents such as insecticides, herbicides, etc. through mutualistic cooperation by synthesizing enzymes and phytohormones are presented. Since recombinant technology involving genomic integration favors the development of useful traits in microalgae and cyanobacteria for their potential application in improvement of soil fertility and health, the merits and demerits of various such advanced methodologies associated in harnessing the biotechnological potential of these photosynthetic microorganisms for sustainable agriculture were also discussed.
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Affiliation(s)
- Sudharsanam Abinandan
- Global Centre for Environmental Remediation (GCER), Faculty of Science, University of Newcastle , Callaghan , Australia
| | - Suresh R Subashchandrabose
- Global Centre for Environmental Remediation (GCER), Faculty of Science, University of Newcastle , Callaghan , Australia.,Cooperative Research Centre for Contamination Assessment and Remediation of Environment (CRC CARE), University of Newcastle , Callaghan , Australia
| | | | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER), Faculty of Science, University of Newcastle , Callaghan , Australia.,Cooperative Research Centre for Contamination Assessment and Remediation of Environment (CRC CARE), University of Newcastle , Callaghan , Australia
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Radwan D, Mohamed A, Fayez K, Abdelrahman A. Oxidative stress caused by Basagran ® herbicide is altered by salicylic acid treatments in peanut plants. Heliyon 2019; 5:e01791. [PMID: 31193712 PMCID: PMC6538979 DOI: 10.1016/j.heliyon.2019.e01791] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/27/2019] [Accepted: 05/20/2019] [Indexed: 12/01/2022] Open
Abstract
The present work was to study a protective role of salicylic acid (SA) on oxidative stress caused by Basagran® herbicide application. Two peanut cultivars (Arachis hypogaea cv. Giza 5 and Giza 6) with different sensitivities to the herbicide were monitored for their antioxidant responses to Basagran® and/or SA treatments. Two weeks after treatment, Basagran® lowered leaf pigments (Chlorophyll a, Chlorophyll b and total Carotenoids) but increased hydrogen peroxide (H2O2) and malondialdehyde (MDA) contents indicating occurrence of lipid peroxidation and oxidative stress. Salicylic acid applied prior to low dose Basagran® lowered H2O2 and MDA contents in both G5 and G6. Except for SOD which is highly stimulated, POD, CAT and APX activities showed slight changes compared to control in leaves treated with Basagran® ± SA. The extracts tested by DPPH showed increase in total antioxidant activity by 4%-7% in SA + Basagran® treated leaves compared to control. The increased total antioxidant activity was related to the accumulation of amounts of phenolics as a protective action stimulated by SA. Alterations of antioxidant enzymatic system, accumulation of phenolics, increasing the total antioxidant activity by SA provide an evidence of protective action of SA in Basagran® detoxification.
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Affiliation(s)
- D.E.M. Radwan
- Botany Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
- Biology Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
| | - A.K. Mohamed
- Botany Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - K.A. Fayez
- Botany Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - A.M. Abdelrahman
- Botany Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
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Guelfi DRV, Brillas E, Gozzi F, Machulek A, de Oliveira SC, Sirés I. Influence of electrolysis conditions on the treatment of herbicide bentazon using artificial UVA radiation and sunlight. Identification of oxidation products. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 231:213-221. [PMID: 30342334 DOI: 10.1016/j.jenvman.2018.10.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 10/06/2018] [Accepted: 10/08/2018] [Indexed: 06/08/2023]
Abstract
The main objective of this work is to demonstrate the viability of solar photoelectro-Fenton (SPEF) process to degrade pesticides in urban wastewater matrix, selecting the herbicide bentazon as a model molecule. In order to provide a correct assessment of the role of the different oxidants and catalysts involved, bentazon was comparatively treated by anodic oxidation with electrogenerated H2O2 (AO-H2O2), electro-Fenton (EF) and UVA-assisted EF (i.e., PEF) processes as well, either in sulfate or chloride media. Trials were made in a stirred tank reactor with an air-diffusion cathode and a boron-doped diamond (BDD), RuO2-based or Pt anode. In chlorinated matrices, the herbicide disappeared more rapidly using a RuO2-based anode because of the generated active chlorine. The best mineralization performance was always obtained using BDD due to its higher oxidation power, which allowed the complete destruction of refractory chloroderivatives. A concentration of 0.50 mM Fe2+ was found optimal to catalyze Fenton's reaction, largely enhancing the mineralization process under the action of OH. Among photo-assisted treatments, sunlight was proven superior to a UVA lamp to promote the photolysis of intermediates, owing to its greater UV irradiance and contribution of visible photons, although PEF also allowed achieving a large mineralization. In all cases, bentazon decay obeyed a pseudo-first-order kinetics. SPEF treatment in urban wastewater using BDD at only 16.6 mA cm-2 yielded 63.2% mineralization. A thorough, original reaction pathway for bentazon degradation is proposed, including seven non-chlorinated aromatics, sixteen chloroaromatics and two chloroaliphatics identified by GC-MS, most of them not previously reported in literature. Ion-exclusion HPLC allowed the detection of seven short-chain linear carboxylic acids.
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Affiliation(s)
- Diego R V Guelfi
- Instituto de Química (INQUI), Universidade Federal de Mato Grosso do Sul, 549, Av. Senador Filinto Muller 1555, 79070-900 Campo Grande, Mato Grosso do Sul, Brazil
| | - Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Fábio Gozzi
- Instituto de Química (INQUI), Universidade Federal de Mato Grosso do Sul, 549, Av. Senador Filinto Muller 1555, 79070-900 Campo Grande, Mato Grosso do Sul, Brazil
| | - Amílcar Machulek
- Instituto de Química (INQUI), Universidade Federal de Mato Grosso do Sul, 549, Av. Senador Filinto Muller 1555, 79070-900 Campo Grande, Mato Grosso do Sul, Brazil
| | - Silvio C de Oliveira
- Instituto de Química (INQUI), Universidade Federal de Mato Grosso do Sul, 549, Av. Senador Filinto Muller 1555, 79070-900 Campo Grande, Mato Grosso do Sul, Brazil
| | - Ignasi Sirés
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
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The Effects of Long-Term Chaetomellic Acid A Administration on Renal Function and Oxidative Stress in a Rat Model of Renal Mass Reduction. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5125980. [PMID: 28326323 PMCID: PMC5343227 DOI: 10.1155/2017/5125980] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 11/04/2016] [Accepted: 11/07/2016] [Indexed: 12/19/2022]
Abstract
Purpose. This study aimed to evaluate the effect of chronic treatment with chaetomellic acid A (CAA) on oxidative stress and renal function in a model of renal mass reduction. Methods. Male Wistar rats were subjected to 5/6 nephrectomy (RMR) or sham-operated (SO). One week after surgery, rats have been divided into four experimental groups: RMR: RMR rats without treatment (n = 14); RMR + CAA: RMR rats treated with CAA (n = 13); SO: SO rats without treatment (n = 13); and SO + CAA: SO rats treated with CAA (n = 13). CAA was intraperitoneally administered in a dose of 0.23 µg/Kg three times a week for six months. Results. RMR was accompanied by a significant reduction in catalase and glutathione reductase (GR) activity (p < 0.05) and a decrease in reduced glutathione (GSH)/oxidized glutathione (GSSG) ratio. CAA administration significantly increased catalase and GR activity (p < 0.05) and increased GSH/GSSG ratio, but no significant difference between the treated and nontreated groups was found in this ratio. No significant differences were found between the RMR groups in any of the parameters of renal function. However, CAA administration slightly improves some parameters of renal function. Conclusions. These data suggest that CAA could attenuate 5/6 RMR-induced oxidative stress.
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Oliveira JMM, Galhano V, Henriques I, Soares AMVM, Loureiro S. Basagran ® induces developmental malformations and changes the bacterial community of zebrafish embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 221:52-63. [PMID: 27913070 DOI: 10.1016/j.envpol.2016.10.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 10/07/2016] [Accepted: 10/08/2016] [Indexed: 06/06/2023]
Abstract
This study aimed to assess the effects of Basagran® on zebrafish (Danio rerio) embryos. The embryos were exposed to Basagran® at concentrations ranging from 120.0 to 480.6 mg/L, and the effects on embryo development (up to 96 h) and bacterial communities of 96 h-larvae were assessed. The embryo development response was time-dependent and concentration-dependent (106.35 < EC50 < 421.58 mg/L). The sensitivity of embryo-related endpoints decreased as follows: blood clotting in the head and/or around the yolk sac > delay or anomaly in yolk sac absorption > change in swimming equilibrium > development of pericardial and/or yolk sac oedema > scoliosis. A PCR-DGGE analysis was used to evaluate changes in the structure, richness, evenness and diversity of bacterial communities after herbicide exposure. A herbicide-induced structural adjustment of bacterial community was observed. In this study, it was successfully demonstrated that Basagran® affected zebrafish embryos and associated bacterial communities, showing time-dependent and concentration-dependent embryos' developmental response and structural changes in bacterial community. Thus, this work provides for the first time a complementary approach, which is useful to derive robust toxicity thresholds considering the embryo-microbiota system as a whole. The aquatic hazard assessment will be strengthened by combining current ecotoxicological tests with molecular microbiology tools.
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Affiliation(s)
- Jacinta M M Oliveira
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Victor Galhano
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Isabel Henriques
- Department of Biology, CESAM & iBiMED, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Susana Loureiro
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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Wang B, Ding G, Zhu J, Zhang W, Guo M, Geng Q, Guo D, Cao Y. Development of novel ionic liquids based on bentazone. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.08.029] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Aburai N, Abe K. Metabolic switching: synergistic induction of carotenogenesis in the aerial microalga, Vischeria helvetica, under environmental stress conditions by inhibitors of fatty acid biosynthesis. Biotechnol Lett 2015; 37:1073-80. [PMID: 25820338 DOI: 10.1007/s10529-015-1770-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 01/14/2015] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To investigate the roles of fatty acid biosynthesis in carotenogenesis in the high-lipid accumulating aerial microalga Vischeria helvetica KGU-Y001, we cultured algal cells with fatty acid biosynthesis inhibitors. RESULTS Under nitrogen-deficient, high-light (200 µmol photons m(-2) s(-1)) conditions, the alga accumulated 6.2 mg carotenoids g(-1) dry weight cells (DWC) after 1 week of culture. The total fatty acid content increased gradually, and reached 290 mg g(-1) DWC after 9 weeks. When algal cells were cultured with a fatty acid biosynthesis inhibitor (molinate) under nitrogen-deficient, high-light conditions for 1 week, carotenoid accumulation was synergistically increased to 2.4 times that in algal cells cultured without the inhibitor in nitrogen-deficient, low-light conditions (40 µmol photons m(-2) s(-1)). The synergistic induction of carotenogenesis was suppressed by an inhibitor of c-jun N-terminal kinase, a mitogen-activated protein kinase-like protein. CONCLUSION In a commercial context, carotenoid production could be increased by using fatty acid biosynthesis inhibitors to redirect metabolic flux to carotenoid biosynthesis instead of fatty acid synthesis.
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Affiliation(s)
- Nobuhiro Aburai
- Department of Applied Chemistry, Faculty of Engineering, Kogakuin University, 2665-1 Nakano-machi, Hachioji, Tokyo, 192-0015, Japan
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Faria R, Santana MM, Aveleira CA, Simões C, Maciel E, Melo T, Santinha D, Oliveira MM, Peixoto F, Domingues P, Cavadas C, Domingues MRM. Alterations in phospholipidomic profile in the brain of mouse model of depression induced by chronic unpredictable stress. Neuroscience 2014; 273:1-11. [PMID: 24814727 DOI: 10.1016/j.neuroscience.2014.04.042] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2013] [Revised: 04/16/2014] [Accepted: 04/17/2014] [Indexed: 12/30/2022]
Abstract
Depression is a worldwide disability disease associated with high morbidity and has increased dramatically in the last few years. The differential diagnosis and the definition of an individualized therapy for depression are hampered by the absence of specific biomarkers. The aim of this study was to evaluate the phospholipidomic profile of the brain and myocardium in a mouse model of depression induced by chronic unpredictable stress (CUS). The lipidomic profile was evaluated by thin layer and liquid chromatography and mass spectrometry and lipid oxidation was estimated by FOX II assay. Antioxidant enzyme activity and the oxidized/reduced glutathione (GSH/GSSG) ratio were also evaluated. Results showed that chronic stress affects primarily the lipid profile of the brain, inducing an increase in lipid hydroperoxides, which was not detected in the myocardium. A significant decrease in phosphatidylinositol (PI) and in cardiolipin (CL) relative contents and also oxidation of CL and a significant increase of phosphatidylcholine (PC) and phosphatidylethanolamine (PE) were observed in the brain of mice after unpredictable chronic stress conditions. In the myocardium only an increase in PC content was observed. Nevertheless, both organs present a decreased GSH/GSSG ratio when compared to control groups, corroborating the occurrence of oxidative stress. The enzyme activities of catalase (CAT) and superoxide dismutase (SOD) were found to be decreased in the myocardium and increased in the brain, while glutathione reductase (GR) was decreased in the brain. Our results indicate that in a mouse model for studying depression induced by CUS, the modification of the expression of oxidative stress-related enzymes did not prevent lipid oxidation in organs, particularly in the brain. These observations suggest that depression has an impact on the brain lipidome and that further studies are needed to better understand lipids role in depression and to evaluate their potential as future biomarkers.
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Affiliation(s)
- R Faria
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M M Santana
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - C A Aveleira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - C Simões
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - E Maciel
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - T Melo
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - D Santinha
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M M Oliveira
- CQVR, Chemistry Department, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - F Peixoto
- CITAB, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - P Domingues
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - C Cavadas
- Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - M R M Domingues
- Mass Spectrometry Centre, UI-QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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Abudayyak M, Ozden S, Alpertunga B, Özhan G. Effects of bentazone on lipid peroxidation and antioxidant systems in human erythrocytesin vitro. Drug Chem Toxicol 2014; 37:410-4. [DOI: 10.3109/01480545.2013.870193] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Nunes OC, Lopes AR, Manaia CM. Microbial degradation of the herbicide molinate by defined cultures and in the environment. Appl Microbiol Biotechnol 2013; 97:10275-91. [DOI: 10.1007/s00253-013-5316-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2013] [Revised: 10/02/2013] [Accepted: 10/03/2013] [Indexed: 11/30/2022]
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Habib K, Manikar N, Ansari S, Fatma T. Carbaryl stress induced cellular changes in Calothrix brevissima. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:862-871. [PMID: 23054783 DOI: 10.1007/s11356-012-1217-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Accepted: 09/19/2012] [Indexed: 06/01/2023]
Abstract
Cyanobacterial biofertilizers are affected by paddy field pesticides as nontarget organism. Carbaryl is a carbamate pesticide and is commonly used against rice thrip pest in paddy fields. In the present work, cellular changes caused by exposure of the cyanobacterial biofertilizer namely Calothrix brevissima to carbaryl were studied with special reference to fatty acids, electrolyte leakage, sulfur metabolism, and osmolytes. To study the toxic effect of carbaryl, the test cyanobacterium was exposed to varying concentrations of pesticide (0, 10, 20, 30, and 40 mg L(-1)) for biochemical analyses. At 40 mg L(-1) carbaryl, polyunsaturated fatty acids were reduced by 32 % and membrane leakage was increased by 27 % suggesting that free radical-mediated lipid peroxidation took place. The sulfur-containing metabolites namely cysteine, cystine, and methionine were increased by 79, 64, and 52 %, respectively. The enzymatic and nonenzymatic antioxidants namely glutathione S-transferase, glutathione reductase, reduced glutathione, and oxidized glutathione were increased to 56, 71, 72, and 60 %, respectively. Osmolytes that serve as stress enzyme protectors as well as nonenzymatic free radical scavenger were also increased, indicating their protective nature in context with carbaryl-induced stress. The respective increase in mannitol, trehalose, and glycogen were 158, 98, and 159 %. In C. brevissima, carbaryl-induced membrane leakage was counteracted by increasing enzymatic and nonenzymatic parameters that helped in scavenging free radicals.
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Affiliation(s)
- Khalid Habib
- Department of Biosciences, Jamia Millia Islamia, Central University, New Delhi 110025, India.
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Das PK, Bagchi SN. Role of bacterioferritin comigratory protein and glutathione peroxidase-reductase system in promoting bentazone tolerance in a mutant of Synechococcus elongatus PCC7942. PROTOPLASMA 2012; 249:65-74. [PMID: 21267607 DOI: 10.1007/s00709-011-0262-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2010] [Accepted: 01/10/2011] [Indexed: 05/11/2023]
Abstract
In this article, we describe the modifications in the antioxidant system of Synechococcus elongatus PCC7942 mutant Mu2 capable of growing at five times higher concentration of bentazone than wild type. Nevertheless, in both the strains, bentazone almost identically induced light-dependent H(2)O(2) production and its extracellular release. However unlike the wild type, peroxide produced upon prolong bentazone incubation was immediately degraded in Mu2. Consequently, the lipid peroxidation activity was also kept low. With prolong incubation of bentazone the mutant displayed a steady increase in glutathione peroxidase-reductase enzyme activities and reduced glutathione content, respectively, by 60% and 130%, favoring an efficient detoxification of bentazone-produced H(2)O(2). Catalase-peroxidase and glutathione S-transferase, though present, remained ineffective in rendering bentazone tolerance. In-gel assays of glutathione S-transferase and glutathione reductase revealed presence of between four and five oligomeric states with mobility shifts. One oligomeric form each enzyme in wild-type strain disappeared upon bentazone treatment. Upon two-dimensional electrophoresis and MALDI-TOF/TOF, a bacterioferritin comigratory protein (peroxiredoxin Q) was found to be already highly expressed in Mu2; whereas in wild type, its level increased only upon bentazone exposure. The bcp transcript pool in WT was relatively low but increased with bentazone, whereas Mu2 exhibited high bcp mRNA even without herbicide. Bacterioferritin comigratory protein and glutathione peroxidase-reductase appear to be responsible for detoxification of bentazone-derived peroxide in Mu2.
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Affiliation(s)
- Palash Kumar Das
- Department of Biological Sciences, Rani Durgavati University, Jabalpur, Madhya Pradesh, India
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Singh DP, Khattar JIS, Nadda J, Singh Y, Garg A, Kaur N, Gulati A. Chlorpyrifos degradation by the cyanobacterium Synechocystis sp. strain PUPCCC 64. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2011; 18:1351-1359. [PMID: 21465163 DOI: 10.1007/s11356-011-0472-x] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2010] [Accepted: 02/17/2011] [Indexed: 05/30/2023]
Abstract
BACKGROUND, AIM, AND SCOPE Indiscriminate use of insecticides leads to environmental problems and poses a great threat to beneficial microorganisms. The aim of the present work was to study chlorpyrifos degradation by a rice field cyanobacterium Synechocystis sp. strain PUPCCC 64 so that the organism is able to reduce insecticide pollution in situ. MATERIAL AND METHODS The unicellular cyanobacterium isolated and purified from a rice field was identified by partial 16S rRNA gene sequence as Synechocystis sp. strain PUPCCC 64. Tolerance limit of the organism was determined by studying its growth in graded concentrations (2.5-20 mg/L) of chlorpyrifos. Chlorpyrifos removal was studied by its depletion from the insecticide supplemented growth medium, and its biodegradation products were identified in the cell extract, biomass wash, and growth medium. RESULTS AND DISCUSSION The organism tolerated chlorpyrifos up to 15 mg/L. Major fraction of chlorpyrifos was removed by the organism during the first day followed by slow uptake. Biomass, pH, and temperature influenced the insecticide removal and the organism exhibited maximum chlorpyrifos removal at 100 mg protein/L biomass, pH 7.0, and 30°C. The cyanobacterium metabolized chlorpyrifos producing a number of degradation products as evidenced by GC-MS chromatogram. One of the degradation products was identified as 3,5,6-trichloro-2-pyridinol. CONCLUSION AND RECOMMENDATIONS Present study reports the biodegradation of chlorpyrifos by Synechocystis sp. Biodegradation of the insecticide by the cyanobacterium is significant as it can be biologically removed from the environment. The cyanobacterium may be used for bioremediation of chlorpyrifos-contaminated soils.
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Affiliation(s)
- D P Singh
- Department of Botany, Punjabi University, Patiala, 147 002 Punjab, India.
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