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Dib I, Fakih M, Noureddine H, Salami A, Alphonse V, Livet A, Bousserrhine N. Assessment of domestic water quality of households and schools in Nabatieh, Lebanon, and development of a new spectrophotometric method for the detection of Entamoeba spp. In tap water. Environ Pollut 2024; 341:122945. [PMID: 37984472 DOI: 10.1016/j.envpol.2023.122945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 11/22/2023]
Abstract
Polluted resources of potable water are daily used for different purposes in Lebanon. The optical microscopy is the traditional method used for the detection of Entamoeba spp. in water despite its weak sensitivity. We aimed to characterize domestic water at Nabatieh district, South Lebanon, and to develop a simple method for Entamoeba spp. detection. A total of 70 water samples were collected from houses and schools and analyzed for physical (pH, total dissolved solids and temperature), chemical (nitrate, phosphate and sulfate) and bacterial (total and fecal coliforms) parameters. The contamination by Entamoeba spp. was examined using microscopy, then a spectrophotometric wavelength scan was recorded for 50 samples in order to determine the common peak between positive samples. High phosphate levels were detected in all the samples, with important bacterial and parasitological contaminations. The spectrophotometric analyses showed a peak repetition at the wavelength of 696 nm in the spectrum of the majority of positive samples. The number of cysts was significantly correlated to optical densities at 696 nm (R = 0.9087; p-value<0.0001). The regression analysis showed that the OD696 could statistically predict the concentration (F (1,48) = 267.02, p-value <0.001). In conclusion, potable water parameters at Nabatieh district did not meet the national and international guidelines of safe drinking water, and the detection of Entamoeba spp. cysts in potable water can be performed using a rapid spectrophotometric analysis, by the determination of the optical density at 696 nm and the application of a specific equation.
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Affiliation(s)
- Israa Dib
- Laboratoire Eau, Environnement, Systèmes Urbains (LEESU), University Paris-Est Créteil, Créteil Cedex, 94010, France; Environmental Health Research Laboratory, Faculty of Sciences V, Lebanese University, Nabatieh, Lebanon.
| | - Mohamad Fakih
- Environmental Health Research Laboratory, Faculty of Sciences V, Lebanese University, Nabatieh, Lebanon.
| | - Hiba Noureddine
- Environmental Health Research Laboratory, Faculty of Sciences V, Lebanese University, Nabatieh, Lebanon.
| | - Ali Salami
- Department of Mathematics, Faculty of Sciences, Lebanese University, Nabatieh, Lebanon.
| | - Vanessa Alphonse
- Laboratoire Eau, Environnement, Systèmes Urbains (LEESU), University Paris-Est Créteil, Créteil Cedex, 94010, France.
| | - Alexandre Livet
- Laboratoire Eau, Environnement, Systèmes Urbains (LEESU), University Paris-Est Créteil, Créteil Cedex, 94010, France.
| | - Noureddine Bousserrhine
- Laboratoire Eau, Environnement, Systèmes Urbains (LEESU), University Paris-Est Créteil, Créteil Cedex, 94010, France.
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Nixon Nonh D, Aw S, Siaka S, Livet A, Sylvestre Yapo N, Bousserrhine N. Evaluation of the lead removal capacity by the adsorption process of Corbula trigona shell powder: modeling and optimization through reponse surface methodology. RSC Adv 2023; 13:11346-11355. [PMID: 37057272 PMCID: PMC10088489 DOI: 10.1039/d3ra00562c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 03/24/2023] [Indexed: 04/15/2023] Open
Abstract
This study is based on the evaluation of the adsorption process using Corbula trigona shell powder to remove lead from aqueous solution in a batch mode. Different analytical techniques, including X-ray diffraction, Fourier transform infrared spectroscopy, and EDS-coupled scanning electron microscopy, were used to characterize the shell powder before and after lead treatment. Regarding the pollutant removal, a Plackett-Burman design (PBD) was first used to determine the influencing factors from the following experimental domain: solution pH (3-9), adsorbent mass (0.1-0.5 g), contact time (40 -240 min), initial pollutant concentration (10 -60 mg L-1), and adsorbent size (100 -200 μm). The respective contributions of the various factors listed above are 31.7%, 30.51%, 25.17%, 12.44%, and 0.18%. As a result, solution pH, adsorbent mass, contact time, and initial pollutant concentration were selected to optimize the lead removal process using the composite central plan. The optimal lead removal conditions were 99.028% by setting the solution pH to 4.5, initial lead concentration to 47 mg L-1, contact time to 125 min, and adsorbent mass to 0.2 g. In addition, it was found that the composite central plan could be a reliable statistical tool to model and determine the optimal conditions.
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Affiliation(s)
- Dan Nixon Nonh
- Laboratoire des Procédés Industriels, de Synthèse, de L'Environnement et des Energies Nouvelles (LAPISEN), Institut National Polytechnique Félix HOUPHOUËT-BOIGNY BP 1093 Yamoussoukro Ivory Coast +2250748296357
| | - Sadat Aw
- Laboratoire des Procédés Industriels, de Synthèse, de L'Environnement et des Energies Nouvelles (LAPISEN), Institut National Polytechnique Félix HOUPHOUËT-BOIGNY BP 1093 Yamoussoukro Ivory Coast +2250748296357
| | - Sorho Siaka
- Laboratoire des Procédés Industriels, de Synthèse, de L'Environnement et des Energies Nouvelles (LAPISEN), Institut National Polytechnique Félix HOUPHOUËT-BOIGNY BP 1093 Yamoussoukro Ivory Coast +2250748296357
| | - Alexandre Livet
- Laboratoire Eau, Environnement Systèmes Urbains (LEESU), Université Paris Est Créteil (UPEC), Faculté des Sciences et Technologie 61 Avenue Général De Gaulle 94010 Créteil Cedex France
| | - N'Zébo Sylvestre Yapo
- Laboratoire des Procédés Industriels, de Synthèse, de L'Environnement et des Energies Nouvelles (LAPISEN), Institut National Polytechnique Félix HOUPHOUËT-BOIGNY BP 1093 Yamoussoukro Ivory Coast +2250748296357
| | - Noureddine Bousserrhine
- Laboratoire Eau, Environnement Systèmes Urbains (LEESU), Université Paris Est Créteil (UPEC), Faculté des Sciences et Technologie 61 Avenue Général De Gaulle 94010 Créteil Cedex France
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Boughattas I, Zitouni N, Mkhinini M, Missawi O, Helaoui S, Hattab S, Mokni M, Bousserrhine N, Banni M. Combined toxicity of Cd and 2,4-dichlorophenoxyacetic acid on the earthworm Eisenia andrei under biochar amendment. Environ Sci Pollut Res Int 2023; 30:34915-34931. [PMID: 36525191 DOI: 10.1007/s11356-022-24628-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Due to anthropogenic activities, various pollutants can be found in agricultural soil, such as cadmium (Cd) and 2,4-dichlorophenoxyacetic acid (2,4-D). They are highly toxic and can have a negative impact on soil fertility. For remediation strategies, biochar has acquired considerable attention due to its benefits for agriculture. However, we should recognize the ecological risk posed by biochar use. In addition, little is known about its non-desirable effects on soil organisms such as earthworms, especially in the case of soil remediation. In this study, earthworms (Eisenia andrei) were exposed to soil contaminated with Cd (0.7 mg/kg), (2,4-D) (7 mg/kg), and a mixture of the two in the presence and absence of biochar (2%). A 7- and 14-day incubation experiment was carried out for this purpose. Cd and 2,4-D uptakes in earthworms' tissues, oxidative stress, cytotoxic response, DNA damage, histopathological changes, and gene expression level were assessed. Results suggested that biochar increased the bioavailability of Cd and 2,4-D and the frequency of micronuclei (MNi) and decreased the lysosomal membrane stability (LMS) in earthworms. Also, histopathological examination detected numerous alterations in animals exposed to the contaminants without any amelioration when biochar was added. The biochemical response of earthworms in terms of oxidative stress demonstrates that in the presence of biochar, animals tend to alleviate the toxicity of Cd and 2,4-D. This was also supported by transcriptomic analyses where expression gene levels related to oxidative stress were upregulated in earthworms exposed to Cd and 2,4-D + biochar. The present investigation brought new insights concerning the use of biochar in agriculture.
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Affiliation(s)
- Iteb Boughattas
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia.
- Regional Field Crops Research Center of Beja, Beja, Tunisia.
| | - Nesrine Zitouni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia
| | - Marouane Mkhinini
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia
| | - Omayma Missawi
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia
| | - Sondes Helaoui
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia
| | - Sabrine Hattab
- Regional Research Centre in Horticulture and Organic Agriculture, Chott Mariem, 4042, Sousse, Tunisia
| | - Moncef Mokni
- Department of Pathology, CHU Farhat Hached, Sousse, Tunisia
| | - Noureddine Bousserrhine
- Laboratory of Water Environment and Urban Systems, University Paris-Est Créteil, cedex 94010, Creteil, France
| | - Mohamed Banni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott Mariem, Sousse University, Sousse, Tunisia
- Higher Institute of Biotechnology, Monastir University, Monastir, Tunisia
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Oufdou K, Raklami A, Pajuelo E, Bargaz A, Khan MS, Bousserrhine N, Carrasco López JA. Editorial: Rhizospheric microbiota-plant interactions: A bioremediation strategy for inorganic pollutants. Front Microbiol 2023; 14:1174634. [PMID: 37032896 PMCID: PMC10073683 DOI: 10.3389/fmicb.2023.1174634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Affiliation(s)
- Khalid Oufdou
- Laboratory of Microbial Biotechnologies, Agrosciences, and Environment (BioMAgE), Labeled Research Unit-CNRST N°4, Faculty of Sciences Semlalia, University Cadi Ayyad, Marrakech, Morocco
- Agrobiosciences Program, College for Sustainable Agriculture and Environmental Sciences, University Mohammed VI Polytechnic (UM6P), Ben Guerir, Morocco
- *Correspondence: Khalid Oufdou
| | - Anas Raklami
- Agrobiosciences Program, College for Sustainable Agriculture and Environmental Sciences, University Mohammed VI Polytechnic (UM6P), Ben Guerir, Morocco
| | - Eloísa Pajuelo
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Seville, Spain
| | - Adnane Bargaz
- Agrobiosciences Program, College for Sustainable Agriculture and Environmental Sciences, University Mohammed VI Polytechnic (UM6P), Ben Guerir, Morocco
| | - Mohammad Saghir Khan
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University Aligarh, Aligarh, Uttar Pradesh, India
| | | | - José A. Carrasco López
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Seville, Spain
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Helaoui S, Boughattas I, El Kribi-Boukhris S, Mkhinini M, Alphonse V, Livet A, Bousserrhine N, Banni M. Assessing the effects of nickel on, e.g., Medicago sativa L. nodules using multidisciplinary approach. Environ Sci Pollut Res Int 2022; 29:77386-77400. [PMID: 35672641 DOI: 10.1007/s11356-022-21311-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Industrial wastes and fertilizers can introduce excessive levels of nickel (Ni) into the environment, potentially causing threats to plants, animals, as well as human beings. However, the number of studies on the effects of Ni toxicity on nodules is fairly limited. To address this issue, the effects of increasing Ni concentration on alfalfa nodules were assessed at chemical, biochemical, and transcriptomic levels. For this purpose, plants were grown in soils supplied with Ni (control, 0 mg/kg; C1, 50 mg/kg; C2, 150 mg/kg; C3, 250 mg/kg; and C4, 500 mg/kg) for 90 days. Ni loads in leaves, roots, and nodules were monitored after the exposure period. A set of biochemical biomarkers of oxidative stress was determined in nodules including antioxidants and metal homeostasis as well as lipid peroxidation. Gene expression levels of the main targets involved in oxidative stress and metal homeostasis were assessed. Our data indicated a high concentration of Ni in leaves, roots, and nodules where values reached 25.64 ± 3.04 mg/kg, 83.23 ± 5.16 mg/kg, and 125.71 ± 4.53 mg/kg in dry weight, respectively. Moreover, a significant increase in nodule biomass was observed in plants exposed to C4 in comparison to control treatment and percentage increased by 63%. Then, lipid peroxidation increased with a rate of 95% in nodules exposed to C4. Enzymatic activities were enhanced remarkably, suggesting the occurrence of oxidative stress, with increased superoxide dismutase (SOD), glutathione reductase (GR), and ascorbate peroxidase (APX). Our results showed also a significant upregulation of SOD, GR and APX genes in nodules. Nodule homoglutathione (HGSH) levels increased with the different Ni concentrations, with a remarkable decrease of glutathione S-transferase (GST) activity and glutathione (GSH) content for the highest Ni concentration with 43% and 52% reduction, respectively. The phytochelatin (PC) and metallothionein (MT) concentrations increased in nodules, which implied the triggering of a cellular protection mechanism for coping with Ni toxicity. The results suggested that Ni promotes a drastic oxidative stress in alfalfa nodules, yet the expression of MT and PC to reduce Ni toxicity could be used as Ni stress bioindicators. Our findings provide new insights into the central role of alfalfa nodules in limiting the harmful effects of soil pollution. Therefore, nodules co-expressing antioxidant enzymes may have high phytoremediation potential.
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Affiliation(s)
- Sondes Helaoui
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Sousse, Tunisia
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Sousse, Tunisia.
| | - Sameh El Kribi-Boukhris
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Sousse, Tunisia
| | - Marouane Mkhinini
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Sousse, Tunisia
| | - Vanessa Alphonse
- Laboratory Water, Environment and Urban Systems, Faculty of Science and Technology, University Paris-Est Créteil, Créteil Cedex, France
| | - Alexandre Livet
- Laboratory Water, Environment and Urban Systems, Faculty of Science and Technology, University Paris-Est Créteil, Créteil Cedex, France
| | - Noureddine Bousserrhine
- Laboratory Water, Environment and Urban Systems, Faculty of Science and Technology, University Paris-Est Créteil, Créteil Cedex, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Sousse, Tunisia
- Higher Institute of Biotechnologie of Monastir, University of Monastir, Monastir, Tunisia
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Zitouni N, Cappello T, Missawi O, Boughattas I, De Marco G, Belbekhouche S, Mokni M, Alphonse V, Guerbej H, Bousserrhine N, Banni M. Metabolomic disorders unveil hepatotoxicity of environmental microplastics in wild fish Serranus scriba (Linnaeus 1758). Sci Total Environ 2022; 838:155872. [PMID: 35569658 DOI: 10.1016/j.scitotenv.2022.155872] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/07/2022] [Accepted: 05/08/2022] [Indexed: 06/15/2023]
Abstract
Coastal areas are worldwide subject to large inputs of anthropogenic wastes that are discharged directly into inshore waters, where they will be weathered into small microplastics (MPs) of up to a size <20 μm. This study provides information about the presence of small environmental MPs (≤3 μm) in the liver of adult benthopelagic fish Serranus scriba (Linnaeus 1758), caught from three coastal regions in Tunisia distinguished by different patterns of human activity. Polymer composition in fish liver was identified using Raman microspectroscopy. Results revealed differences in the abundance, size distribution and presence of plastic additives over the investigated sites. Polyethylene-vinyl acetate (PEVA: 34% particles/g of tissue), high density polyethylene (HDPE: 24.4%) and the two smaller size classes, i.e. 3-1.2 μm and 1.2-0.45 μm, were the most abundant MPs types and size distribution found, respectively, in Bizerte channel (BC) site (Bizerte city, Tunisia). Moreover, at hepatic level data showed a significant site-dependent cytotoxicity expressed by changes in malondialdehyde (MDA) content, presence of reactive oxygen species (ROS) expressed by altered level of catalase (CAT) and glutathione-S-transferase (GST) activities and in the content of metallothioneins (MTs), as well as genotoxicity by changes in the amount of micronucleus (MN), and neurotoxicity by altered activity of acetylcholinesterase (AChE). A innovative metabolomics analysis was also performed to further investigate the distinct patterns of key metabolite changes in the liver of Serranus scriba. A total of 36 metabolites were significantly affected, mainly involved in energy, amino acid and osmolyte metabolism. These findings emphasised for the first time a close relationship between the source, abundance and size ranges of environmental MPs ≤ 3 μm and their hepatotoxicity in wild organisms.
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Affiliation(s)
- Nesrine Zitouni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Tiziana Cappello
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy.
| | - Omayma Missawi
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Giuseppe De Marco
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Sabrina Belbekhouche
- Paris-Est Institute of Chemistry and Materials, UMR 7182 CNRS, Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
| | - Moncef Mokni
- Department of Pathology, CHU Farhat Hached, Sousse, Tunisia
| | - Vanessa Alphonse
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil, Faculty of Science and Technology, Créteil Cedex, France
| | - Hamadi Guerbej
- Laboratory of Blue Biotechnology and Aquatic Bioproducts (B3Aqua), National Institute of Marine Sciences and Technologies (INSTM), Monastir Center, Monastir, Tunisia
| | - Noureddine Bousserrhine
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil, Faculty of Science and Technology, Créteil Cedex, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
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Missawi O, Venditti M, Cappello T, Zitouni N, Marco GDE, Boughattas I, Bousserrhine N, Belbekhouche S, Minucci S, Maisano M, Banni M. Autophagic event and metabolomic disorders unveil cellular toxicity of environmental microplastics on marine polychaete Hediste diversicolor. Environ Pollut 2022; 302:119106. [PMID: 35248622 DOI: 10.1016/j.envpol.2022.119106] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/26/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Although the hazards of microplastics (MPs) have been quite well explored, the aberrant metabolism and the involvement of the autophagy pathway as an adverse response to environmental MPs in benthic organisms are still unclear. The present work aims to assess the impact of different environmental MPs collected from the south coast of the Mediterranean Sea, composed by polyethylene (PE), polyethylene vinyl acetate (PEVA), low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and polyamide (PA) on the metabolome and proteome of the marine polychaete Hediste diversicolor. As a result, all the microplastic types were detected with Raman microspectroscopy in polychaetes tissues, causing cytoskeleton damage and induced autophagy pathway manifested by immunohistochemical labeling of specific targeted proteins, through Tubulin (Tub), Microtubule-associated protein light chain 3 (LC3), and p62 (also named Sequestosome 1). Metabolomics was conducted to further investigate the metabolic alterations induced by the environmental MPs-mixture in polychaetes. A total of 28 metabolites were differentially expressed between control and MPs-treated polychaetes, which showed elevated levels of amino acids, glucose, ATP/ADP, osmolytes, glutathione, choline and phosphocholine, and reduced concentration of aspartate. These novel findings extend our understanding given the toxicity of environmental microplastics and unravel their underlying mechanisms.
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Affiliation(s)
- Omayma Missawi
- University of Sousse, Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy, Sousse, Tunisia.
| | - Massimo Venditti
- Department of Experimental Medicine, Section Human Physiology and Integrated Biological Functions "F. Bottazzi", University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Tiziana Cappello
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Nesrine Zitouni
- University of Sousse, Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy, Sousse, Tunisia
| | - Giuseppe DE Marco
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Iteb Boughattas
- University of Sousse, Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy, Sousse, Tunisia; Regional Field Crops Research Center of Beja, Tunisia
| | - Noureddine Bousserrhine
- University Paris-Est Creteil, Laboratory of Water, Environment and Urban Systems, Faculty of Science and Technology, Creteil Cedex, France
| | - Sabrina Belbekhouche
- CNRS, University of Paris-Est Creteil, Institute of Chemistry and Materials Paris-Est ICMPE, UMR7182, 94320 Thiais, France
| | - Sergio Minucci
- Department of Experimental Medicine, Section Human Physiology and Integrated Biological Functions "F. Bottazzi", University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Maria Maisano
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Mohamed Banni
- University of Sousse, Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy, Sousse, Tunisia; Higher Institute of Biotechnology Monastir, University of Monastir, Monastir, Tunisia
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Boughattas I, Zitouni N, Hattab S, Mkhinini M, Missawi O, Helaoui S, Mokni M, Bousserrhine N, Banni M. Interactive effects of environmental microplastics and 2,4-dichlorophenoxyacetic acid (2,4-D) on the earthworm Eisenia andrei. J Hazard Mater 2022; 424:127578. [PMID: 34736209 DOI: 10.1016/j.jhazmat.2021.127578] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
Given the wide use of plastic and pesticides in agriculture, microplastics (MP) and the herbicide 2,4 dichloro-phenoxy-acetic acid (2-4-D) can be present simultaneously in soil. Nevertheless, little is known about their combined toxicity. In this study, Eisenia andrei was exposed to environmental MP (100 µg kg-1 soil) and 2,4-D (7 mg kg-1 soil) for 7 and 14 days. Bioaccumulation, genotoxicity, oxidative stress and gene expression level were assessed. Results revealed that MP increased 2,4-D bioaccumulation in earthworms. Simultaneous exposure to both these pollutants caused a significant reduction in lysosomal membrane stability (LMS) and an increase in micronuclei (MNi) frequency. Biochemical analysis revealed oxidative alterations in earthworms exposed to all treatments; being very pronounced in earthworms exposed to the mixture in terms of increase in glutathione-S-Transferase (GST), catalase (CAT) and malondialdehydes accumulation (MDA). Furthermore, an up-regulation in cat and gst expression level was recorded in worms exposed to single or mixture treatment, except MP in case of gst. Our data highlight the toxicity of the combined exposure to MP and 2,4-D and afford new insights into the potential ecological risks posed by MP in terrestrial ecosystems.
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Affiliation(s)
- Iteb Boughattas
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia; Regional Field Crops Research Center of Beja, Tunisia.
| | - Nesrine Zitouni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Sabrine Hattab
- Regional Research Centre in Horticulture and Organic Agriculture, Chott-Mariem, 4042 Sousse, Tunisia
| | - Marouane Mkhinini
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Omayma Missawi
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Sondes Helaoui
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Moncef Mokni
- Department of Pathology, CHU Farhat Hached, Sousse, Tunisia
| | - Noureddine Bousserrhine
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil cedex 94010, France
| | - Mohamed Banni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia; Higher Institute of Biotechnology, Monastir University, Tunisia
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Seidl M, Le Roux J, Mazerolles R, Bousserrhine N. Assessment of leaching risk of trace metals, PAHs and PCBs from a brownfield located in a flooding zone. Environ Sci Pollut Res Int 2022; 29:3600-3615. [PMID: 34389963 DOI: 10.1007/s11356-021-15491-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 07/13/2021] [Indexed: 06/13/2023]
Abstract
An old industrial site (brownfield) located south of Paris in a flooding plain and containing demolition disposal as well as a burning zone for metal recovery is being regenerated to satisfy local need for public green space. The main objective of the described study was therefore to assess the risk of remobilisation of trace metals, PAH and PCB present. The research focused on vertical migration due to rainfall (non-saturated flow) and to river flooding (saturated flow). To assess the remobilisation risk, representative soil profiles were reconstituted and eluted in columns with artificial rain and filtered river water for 6 weeks with an equivalent of 25 mm d-1. Soil analysis showed that both zones are highly contaminated, exceeding the French environmental standards. Though the superficial metal content was much higher in the burning zone with levels of g kg-1 than that in the demolition zone, most metals showed higher levels in the eluents of the latter. The level of dissolved Zn in the burning zone eluent was 30 μg L-1, while in the demolition zone, it was 300 μg L-1, 40 times the admissible level. Zn was thereby correlated to aromaticity parameter HIX, indicating a link with organic matter transformation. The Cu was only significantly released under saturated condition (up to 80 μg L-1) in the demolition soil, indicating as implicated mechanism manganese and iron oxide reduction rather than organic matter transformation. Despite the high PAH and PCB soil contents, these pollutants were not released. The total PAH content in the effluent was 30 ng L-1 in average and did not significantly differ between the two zones and the types of hydrology. Only Zn and Cu issued from demolition zone presented an eco-toxicological risk. Crossed statistical analysis of the results showed that the role of the soil type is preponderant in the pollutant release and that temporary flooding condition would induce a lower impact on the groundwater quality than an equivalent amount of fallen rain. Though the burning site was far more contaminated in the upper soil than the demolition zone, it presented little risk compared to the demolition zone, more profound and more permeable. The latter showed therefore significative trace metal release, up to 2.1 kg ha-1 year-1 for zinc, doubling the local atmospheric deposition.
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Affiliation(s)
- Martin Seidl
- LEESU ENPC, Université Paris-Est, 6-8 avenue Blaise Pascal, 77455, cedex 2, Marne la Vallée, France.
| | - Julien Le Roux
- LEESU UPEC, Université Paris-Est Créteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
| | - Rémi Mazerolles
- LEESU ENPC, Université Paris-Est, 6-8 avenue Blaise Pascal, 77455, cedex 2, Marne la Vallée, France
| | - Noureddine Bousserrhine
- LEESU UPEC, Université Paris-Est Créteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
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Boughattas I, Hattab S, Zitouni N, Mkhinini M, Missawi O, Bousserrhine N, Banni M. Assessing the presence of microplastic particles in Tunisian agriculture soils and their potential toxicity effects using Eisenia andrei as bioindicator. Sci Total Environ 2021; 796:148959. [PMID: 34265609 DOI: 10.1016/j.scitotenv.2021.148959] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 06/20/2021] [Accepted: 07/06/2021] [Indexed: 06/13/2023]
Abstract
In the present study, we investigated microplastics (MPs) in agricultural soils with different agronomic practices (organic farming, soil under greenhouses, soil under mulching and soil irrigated with treated wastewater (TWW)). Plastic particles from each site were collected and characterized by FTIR and Raman microspectroscopy. Plastic particles were then ground and added (size rage under 100 μm) at a concentration of 100 μg kg-1 to soils from organic farming containing Eisenia andrei for 7 and 14 days. MPs accumulation in earthworms was quantified and characterized. Oxidative stress was assessed by evaluating the activities of catalase, glutathione-S-transferase, and acetylcholinesterase as well as malondialdehyde accumulation. Our results revealed higher quantity of MPs in soils ranging from 13.21 ± 0.89 to 852.24 ± 124.2 items kg-1 with the dominance of small sizes (0.22-1.22 μm). Polyethylene (PE) and polybutyrate adipate terephtalate (PBAT) were the dominant MPs. Moreover, our results revealed a significant ingestion of MPs in earthworms with values ranging from 1.13 to 35.6, characterized mostly by PE, PBAT and polypropylene (PP). Biochemical data revealed an important alteration in worms exposed to MPs from soils with mulching and irrigated with TWW. Our study provides new insights into the effects of microplastic in earthworms and thus the vulnerability of terrestrial ecosystem to this emergent contaminant.
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Affiliation(s)
- Iteb Boughattas
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia; Regional Field Crops Research Center of Beja, Tunisia.
| | - Sabrine Hattab
- Regional Research Centre in Horticulture and Organic Agriculture, Chott-Mariem, 4042 Sousse, Tunisia
| | - Nesrine Zitouni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Marouane Mkhinini
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Omayma Missawi
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia
| | - Noureddine Bousserrhine
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil cedex 94010, France
| | - Mohamed Banni
- Laboratory of Agrobiodiversity and Ecotoxicology, Higher Institute of Agronomy Chott-Meriem, Sousse University, Tunisia; Higher Institute of Biotechnology, Monastir University, Tunisia
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11
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Laffray X, Toulaïb K, Balland-Bolou-Bi C, Bagard M, Leitao L, Huguenot D, Alphonse V, Abbad-Andaloussi S, Livet A, Bousserrhine N, Leymarie J, Repellin A. Evaluation of trace metal accumulation in six vegetable crops intercropped with phytostabilizing plant species, in a French urban wasteland. Environ Sci Pollut Res Int 2021; 28:56795-56807. [PMID: 34076815 DOI: 10.1007/s11356-021-14512-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
The extensive development of agriculture in urban and peri-urban wastelands polluted with several trace elements (TE) poses risks to human health through contaminated food products. The objective was to explore the accumulation of TE in the various parts of vegetable crop plants (tomato, French bean, radish, potato, spinach, and leek) intercropped with phytostabilizing plant species (ryegrass and white clover, respectively). Field studies were conducted in a multicontaminated French urban wasteland with Cd, Cu, Pb and Zn, and an alkaline soil pH. Analyses of the respective non-edible parts of monocultured vegetable crops showed accumulation of all TE, mostly Zn, then Pb and Cu, and finally Cd. The corresponding TE accumulation factors (soil to plant) were all below 0.25. In the edible parts, average concentrations for TE were above the limit values, according to European and Chinese standards. TE contents in the phytostabilizing species chosen were in the same orders of magnitude and the same ranking as described for vegetable crops and most accumulation was in the roots. Unexpectedly, the presence of the phytostabilizing plants had a very strong positive impact on the soil to plant accumulation factor. Moreover, the edible plant parts were poorly impacted by the co-cropping with phytostabilizing plants.
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Affiliation(s)
- Xavier Laffray
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
| | - Kamal Toulaïb
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
| | - Clarisse Balland-Bolou-Bi
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), UMR MA 102 - Université Paris Est Creteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France.
| | - Matthieu Bagard
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
| | - Luis Leitao
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
| | - David Huguenot
- Laboratoire Géomatériaux et Environnement (LGE), EA 4508, Université Gustave Eiffel, 77454, Marne-la-Vallée, France
| | - Vanessa Alphonse
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), UMR MA 102 - Université Paris Est Creteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
| | - Samir Abbad-Andaloussi
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), UMR MA 102 - Université Paris Est Creteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
| | - Alexandre Livet
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), UMR MA 102 - Université Paris Est Creteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
| | - Noureddine Bousserrhine
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), UMR MA 102 - Université Paris Est Creteil, 61 avenue du Général de Gaulle, 94010, Créteil Cedex, France
| | - Juliette Leymarie
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
| | - Anne Repellin
- Institute of Ecology and Environmental Sciences of Paris (iEES Paris), Univ Paris Est Creteil, CNRS, INRAE, IRD, IEES, F-94010, Creteil, France
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12
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Couic E, Tribondeau A, Alphonse V, Livet A, Grimaldi M, Bousserrhine N. The Impact of Ecological Restoration on Biogeochemical Cycling and Mercury Mobilization in Anoxic Conditions on Former Mining Sites in French Guiana. Microorganisms 2021; 9:1702. [PMID: 34442781 PMCID: PMC8400979 DOI: 10.3390/microorganisms9081702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/03/2021] [Accepted: 08/04/2021] [Indexed: 11/28/2022] Open
Abstract
Successive years of gold mining in French Guiana has resulted in soil degradation and deforestation leading to the pollution and erosion of mining plots. Due to erosion and topography, gold panning sites are submitted to hydromorphy during rainfall and groundwater increases. This original study focused on characterizing the impact of hydromorphic anaerobic periods on bio-geochemical cycles. We sampled soil from five rehabilitated sites in French Guiana, including sites with herbaceous vegetation and sites restored with fabaceous plants, Clitoria racemosa (Cli) mon-oculture, Acacia mangium (Aca) monoculture, Clitoria racemosa and Acacia mangium (Mix) bi-culture. We conducted mesocosm experiments where soil samples were incubated in anaerobic conditions for 35 days. To evaluate the effect of anaerobic conditions on biogeochemical cycles, we measured the following parameters related to iron-reducing bacteria and sulfate-reducing bacteria metabolism throughout the experiment: CO2 release, carbon dissolution, sulphide production and sulphate mobilization. We also monitored the solubilization of iron oxyhydroxides, manganese oxides, aluminum oxides and mercury in the culture medium. Iron-reducing bacteria (IRB) and sulfate-reducing bacteria (SRB) are described as the major players in the dynamics of iron, sulfur and metal elements including mercury in tropical environments. The results revealed two trends in these rehabilitated sites. In the Aca and Mix sites, bacterial iron-reducing activity coupled with manganese solubilization was detected with no mercury solubilization. In herbaceous sites, a low anaerobic activity coupled with sulphide production and mercury solubilization were detected. These results are the first that report the presence and activity of iron- and sulfate-reductive communities at rehabilitated mining sites and their interactions with the dynamics of metallic elements and mercury. These results report, however, the positive impact of ecological restoration of mining sites in French Guiana by reducing IRB and SRB activities, the potential mobility of mercury and its risk of transfer and methylation.
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Affiliation(s)
- Ewan Couic
- Observatory of Sciences of the Universe, UMR 6118 Géosciences, 35000 Rennes, France
- Water, Environment and Urban Systems Laboratory (Leesu), University of Paris-Créteil, 94010 Créteil, France; (V.A.); (A.L.)
| | | | - Vanessa Alphonse
- Water, Environment and Urban Systems Laboratory (Leesu), University of Paris-Créteil, 94010 Créteil, France; (V.A.); (A.L.)
| | - Alexandre Livet
- Water, Environment and Urban Systems Laboratory (Leesu), University of Paris-Créteil, 94010 Créteil, France; (V.A.); (A.L.)
| | | | - Noureddine Bousserrhine
- Water, Environment and Urban Systems Laboratory (Leesu), University of Paris-Créteil, 94010 Créteil, France; (V.A.); (A.L.)
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13
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Missawi O, Bousserrhine N, Zitouni N, Maisano M, Boughattas I, De Marco G, Cappello T, Belbekhouche S, Guerrouache M, Alphonse V, Banni M. Uptake, accumulation and associated cellular alterations of environmental samples of microplastics in the seaworm Hediste diversicolor. J Hazard Mater 2021; 406:124287. [PMID: 33268200 DOI: 10.1016/j.jhazmat.2020.124287] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 10/01/2020] [Accepted: 10/13/2020] [Indexed: 06/12/2023]
Abstract
The ubiquitous distribution of microplastics (MPs) in the marine environment raises global concern to understand their impact. Environmental MPs have been shown to exhibit different physicochemical properties during their life cycles. However, the body of knowledge regarding their accumulation and biological effects is still significantly limited compared to manufactured MPs. To evaluate the hazardous effects of a mixture of environmental MPs collected along the Tunisian beaches, their accumulation and cellular effects were investigated in Hediste diversicolor. MP sample was composed of polyethylene (PE), polyethylene vinyl acetate (PEVA), low-density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP) and polyamide (PA) analyzed using Raman microspectroscopy (RM). The concentrations of MPs in seaworm tissues increased over time, following the order 1.2-0.45 µm > 3-1.2 µm > 100-3 µm. The ingestion of MPs by H. diversicolor reduced their survival and growth, affected the neuro-transmission and antioxidant pathways. Our data emphasised that the toxic effects of environmental MPs were closely related to the exposure dose and period. The results also demonstrated that the size distribution of MPs in seaworms was mainly correlated with biochemical markers. This study highlights the ecological risk in the ingestion and accumulation of environmental MPs by biota that threatens their functional parameters.
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Affiliation(s)
- Omayma Missawi
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Noureddine Bousserrhine
- University Paris-Est Creteil, Laboratory of Water, Environment and Urban Systems, Faculty of Science and Technology, Creteil Cedex, France
| | - Nesrine Zitouni
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia
| | - Maria Maisano
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Iteb Boughattas
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia
| | - Giuseppe De Marco
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Tiziana Cappello
- University of Messina, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, 98166 Messina, Italy
| | - Sabrina Belbekhouche
- CNRS, University of Paris-Est Creteil, Institute of Chemistry and Materials Paris-Est ICMPE, UMR7182, 94320 Thiais, France
| | - Mohamed Guerrouache
- CNRS, University of Paris-Est Creteil, Institute of Chemistry and Materials Paris-Est ICMPE, UMR7182, 94320 Thiais, France
| | - Vanessa Alphonse
- University Paris-Est Creteil, Laboratory of Water, Environment and Urban Systems, Faculty of Science and Technology, Creteil Cedex, France
| | - Mohamed Banni
- University of Sousse, Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, Sousse, Tunisia; University of Monastir, Higher Institute of Biotechnology of Monastir, Monastir, Tunisia.
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14
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Zitouni N, Bousserrhine N, Missawi O, Boughattas I, Chèvre N, Santos R, Belbekhouche S, Alphonse V, Tisserand F, Balmassiere L, Dos Santos SP, Mokni M, Guerbej H, Banni M. Uptake, tissue distribution and toxicological effects of environmental microplastics in early juvenile fish Dicentrarchus labrax. J Hazard Mater 2021; 403:124055. [PMID: 33265060 DOI: 10.1016/j.jhazmat.2020.124055] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/08/2020] [Accepted: 09/20/2020] [Indexed: 05/12/2023]
Abstract
As the smallest environmental microplastics (EMPs), even at nanoscale, are increasingly present in the environment, their availability and physical and chemical effects on marine organisms are poorly documented. In the present study, we primarily investigated the uptake and accumulation of a mixture of environmental microplastics (EMPs) obtained during an artificial degradation process in early-juvenile sea bass (Dicentrarchus labrax). Moreover, we evaluated their hazardous effects using biochemical markers of cytotoxicity. Polymer distribution and composition in gill, gut, and liver were analyzed using polarized light microscopy (PLM) and Raman microspectroscopy (RMS). Our findings revealed the size-dependent ingestion and accumulation of smaller MPs (0.45-3 µm) in fish tissues even after a short-term exposure (3 and 5 days). In addition to MPs, our results showed the presence of plastic additives including plasticizers, flame retardants, curing agents, heat stabilizers, and fiber-reinforced plastic materials in fish tissues, which contributed mostly to the larger-sized range (≥ 1.2 µm). Our data showed that significant oxidative alterations were highly correlated with MPs size range. Our results emphasized that the toxicity of smaller EMPs (≤ 3 µm) was closely related to different factors, including the target tissue, exposure duration, size range of MPs, and their chemical properties.
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Affiliation(s)
- Nesrine Zitouni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; Higher Institute of Biotechnologie of Monastir, University of Monastir, Monastir, Tunisia
| | - Noureddine Bousserrhine
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil, Faculty of Science and Technology, Créteil Cedex, France
| | - Omayma Missawi
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; Higher Institute of Biotechnologie of Monastir, University of Monastir, Monastir, Tunisia
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Nathalie Chèvre
- IDYST, Faculty of Geosciences and the Environment, University of Lausanne, Géopolis 3630, CH-1015 Lausanne, Switzerland
| | - Raphael Santos
- HEPIA, University of Applied Sciences Western Switzerland, Ecology and Engineering of Aquatic Systems Research Group, 150 Route de Presinge, CH-1254 Jussy, Switzerland
| | - Sabrina Belbekhouche
- Paris-Est Institute of Chemistry and Materials, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
| | - Vanessa Alphonse
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil, Faculty of Science and Technology, Créteil Cedex, France
| | - Floriane Tisserand
- IDYST, Faculty of Geosciences and the Environment, University of Lausanne, Géopolis 3630, CH-1015 Lausanne, Switzerland
| | - Ludivine Balmassiere
- IDYST, Faculty of Geosciences and the Environment, University of Lausanne, Géopolis 3630, CH-1015 Lausanne, Switzerland
| | - Sofia Pereira Dos Santos
- IDYST, Faculty of Geosciences and the Environment, University of Lausanne, Géopolis 3630, CH-1015 Lausanne, Switzerland
| | - Moncef Mokni
- Department of Pathology, CHU Farhat Hached, Sousse, Tunisia
| | - Hamadi Guerbej
- Laboratory of Blue Biotechnology and Aquatic Bioproducts (B3Aqua), National Institute of Marine Sciences and Technologies (INSTM), Monastir Center, Monastir, Tunisia
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia; Higher Institute of Biotechnologie of Monastir, University of Monastir, Monastir, Tunisia.
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15
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Belbekhouche S, Poostforooshan J, Shaban M, Ferrara B, Alphonse V, Cascone I, Bousserrhine N, Courty J, Weber AP. Fabrication of large pore mesoporous silica microspheres by salt-assisted spray-drying method for enhanced antibacterial activity and pancreatic cancer treatment. Int J Pharm 2020; 590:119930. [DOI: 10.1016/j.ijpharm.2020.119930] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/25/2020] [Accepted: 09/26/2020] [Indexed: 01/09/2023]
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16
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Zitouni N, Bousserrhine N, Belbekhouche S, Missawi O, Alphonse V, Boughatass I, Banni M. First report on the presence of small microplastics (≤ 3 μm) in tissue of the commercial fish Serranus scriba (Linnaeus. 1758) from Tunisian coasts and associated cellular alterations. Environ Pollut 2020; 263:114576. [PMID: 32315922 DOI: 10.1016/j.envpol.2020.114576] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 04/07/2020] [Accepted: 04/09/2020] [Indexed: 05/21/2023]
Abstract
There is limited research on the ingestion of microplastic particles (MPs) by fish from the southern part of the Mediterranean Sea. This study provides the occurrence of small MPs (≤3 μm) in the gastrointestinal tract and muscle of adult benthopelagic fish Serranus scriba (L.1758), caught along Tunisian coasts. MPs were extracted from selected tissues using a potassium hydroxide digestion method (KOH 10%) and then quantified, and their chemical structure was characterized through Raman microspectroscopy. The results highlighted that MPs were present in all samples. The average abundance of MPs per gram of fish tissue identified through successive filters of 3 μm, 1.2 μm, and 0.45 μm differed significantly among the sites. The properties of the MPs extracted indicated that polyethylene-vinyl-acetate (PEVA: 33.45%), high density polyethylene (HD-PE: 17.33%), and fragments were the most abundant plastic types and shape found, respectively. Among those, most MPs were found at a size class of 3-1.2 μm (∼60%), especially in the muscle, suggesting a high transfer of MPs into the human diet. Our field work also aimed to explore the effects observed in the gastrointestinal tract with a battery of biomarkers assessing oxidative stress and neurotoxicity. The preliminary results of this study showed the existence of a link between small MPs, sites, and their associated urban activities and induced oxidative stress. However, more detailed studies are required to evaluate the transfer of MPs into tissues and the potential impacts of this transfer on human health.
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Affiliation(s)
- Nesrine Zitouni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Noureddine Bousserrhine
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil. Faculty of Science and Technology, Créteil Cedex, France
| | | | - Omayma Missawi
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Vanessa Alphonse
- Laboratory Water, Environment and Urban Systems, University Paris-Est Créteil. Faculty of Science and Technology, Créteil Cedex, France
| | - Iteb Boughatass
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia.
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17
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Missawi O, Bousserrhine N, Belbekhouche S, Zitouni N, Alphonse V, Boughattas I, Banni M. Abundance and distribution of small microplastics (≤ 3 μm) in sediments and seaworms from the Southern Mediterranean coasts and characterisation of their potential harmful effects. Environ Pollut 2020; 263:114634. [PMID: 33618468 DOI: 10.1016/j.envpol.2020.114634] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 05/27/2023]
Abstract
Microplastics (MPs) are an uncontrolled contaminant affecting marine ecosystems. Studying their undesirable effects has been an attractive field for scientists in recent years. This study is the first to investigate the uptake and distribution of small microplastics (≤3 μm) from several sites in the Southern Mediterranean coasts. This work primarilyaims to provide a qualitative and quantitative analysis of microplastics in sediments as well as in the seaworms (Hediste diversicolor) from eight sites from the Tunisian coasts using Fourier transform infrared spectroscopy and Raman microspectroscopy. The second aim is to evaluate the potential toxic effects of environmental microplastics using a set of biomarkers such as Catalase, Glutathione-S-Transferase, Malondialdehyde and Acetylcholinesterase. Our findings showed that microplastics (1 mm-1.2 μm) were present in all sediments with its abundance ranging from 129 to 606 items kg-1. Microplastic accumulation in seaworms (3 μm-0.22 μm) was 0.5-3.7 items g-1. The predominant polymer was polyethylene. Results also revealed a significant variation among sites in the parameters associated with oxidative stress. Thus, size abundance of microplastics in seaworms was mainly correlated with oxidative stress biomarkers. Our data should be carefully considered in view of the microplastic presence with several types and sizes in Tunisian coastal sites, their potential toxic effects, and their transfer into food web.
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Affiliation(s)
- Omayma Missawi
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Noureddine Bousserrhine
- Laboratory of Water, Environment and Urban Systems, University Paris-Est Creteil, Faculty of Science and Technology, Creteil Cedex, France
| | | | - Nesrine Zitouni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Vanessa Alphonse
- Laboratory of Water, Environment and Urban Systems, University Paris-Est Creteil, Faculty of Science and Technology, Creteil Cedex, France
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy, University of Sousse, Tunisia.
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Helaoui S, Boughattas I, Hattab S, Mkhinini M, Alphonse V, Livet A, Bousserrhine N, Banni M. Physiological, biochemical and transcriptomic responses of Medicago sativa to nickel exposure. Chemosphere 2020; 249:126121. [PMID: 32065994 DOI: 10.1016/j.chemosphere.2020.126121] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/01/2020] [Accepted: 02/03/2020] [Indexed: 05/28/2023]
Abstract
Metal accumulation in soil could lead to severe damage to plants, animals, and humans. The present work aims to evaluate the effects of nickel (Ni) exposure on Medicago sativa at physiological, biochemical, and transcriptomic levels. Plants were exposed to five increasing concentrations of Ni (0, 50, 150, 250, and 500 mg/kg) for 60 days. Agronomic parameters (fresh and dry matter) and chlorophyll content (Chl) were determined in an alfalfa plant. Chemical analyses were conducted, involving the determination of Ni loads in plants (roots and shoots). Moreover, malondialdehyde accumulation (MDA), glutathione-S-transferase (GST), and peroxidase activities, termed as oxidative stress biomarkers, were measured. The gene expression levels of Prx1C, GST, and phytochelatins (PCs) were determined at different nickel concentrations. Our results showed that Ni concentration in plants increased significantly along with Ni concentration in the soil. Regarding oxidative stress biomarkers, Ni contamination caused an increase in peroxidase and GST activities, with a remarkable accumulation of MDA, especially for the highest Ni concentration (500 mg/kg of Ni). Our data showed also a significant upregulation of Prx1C and GST genes in shoots and roots. The PCs' gene expression was significantly enhanced in response to the different nickel concentrations, suggesting their important role in Ni detoxification in alfalfa plants. Our data provided evidence about the clear toxicity of Ni, an often-underestimated trace element.
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Affiliation(s)
- Sondes Helaoui
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Meriem, Sousse, Tunisia
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Meriem, Sousse, Tunisia.
| | - Sabrine Hattab
- Regional Research Centre in Horticulture and Organic Agriculture, Chott-Mariem, Sousse, Tunisia
| | - Marouane Mkhinini
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Meriem, Sousse, Tunisia
| | - Vanessa Alphonse
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil Cedex, 94010, France
| | - Alexandre Livet
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil Cedex, 94010, France
| | - Noureddine Bousserrhine
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil Cedex, 94010, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Meriem, Sousse, Tunisia
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Ali Said F, Bousserrhine N, Alphonse V, Michely L, Belbekhouche S. Antibiotic loading and development of antibacterial capsules by using porous CaCO3 microparticles as starting material. Int J Pharm 2020; 579:119175. [DOI: 10.1016/j.ijpharm.2020.119175] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/20/2020] [Accepted: 02/22/2020] [Indexed: 11/24/2022]
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Poostforooshan J, Belbekhouche S, Shaban M, Alphonse V, Habert D, Bousserrhine N, Courty J, Weber AP. Aerosol-Assisted Synthesis of Tailor-Made Hollow Mesoporous Silica Microspheres for Controlled Release of Antibacterial and Anticancer Agents. ACS Appl Mater Interfaces 2020; 12:6885-6898. [PMID: 31967774 DOI: 10.1021/acsami.9b20510] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Hollow mesoporous silica microsphere (HMSM) particles are one of the most promising vehicles for efficient drug delivery owing to their large hollow interior cavity for drug loading and the permeable mesoporous shell for controlled drug release. Here, we report an easily controllable aerosol-based approach to produce HMSM particles by continuous spray-drying of colloidal silica nanoparticles and Eudragit/Triton X100 composite (EUT) nanospheres as templates, followed by template removal. Importantly, the internal structure of the hollow cavity and the external morphology and the porosity of the mesoporous shell can be tuned to a certain extent by adjusting the experimental conditions (i.e., silica to EUT mass ratio and particle size of silica nanoparticles) to optimize the drug loading capacity and the controlled-release properties. Then, the application of aerosol-synthesized HMSM particles in controlled drug delivery was investigated by loading amoxicillin as an antibiotic compound with high entrapment efficiency (up to 46%). Furthermore, to improve the biocompatibility of the amoxicillin-loaded HMSM particles, their surfaces were functionalized with poly(allylamine hydrochloride) and alginate as biocompatible polymers via the layer-by-layer assembly. The resulting particles were evaluated toward Escherichia coli (Gram-negative) bacteria and indicated the bacterial inhibition up to 90% in less than 2 h. Finally, we explored the versatility of HMSMs as drug carriers for pancreatic cancer treatment. Because the pH value of the extracellular medium in pancreatic tumors is lower than that of the healthy tissue, chitosan as a pH-sensitive gatekeeper was grafted to the HMSM surface and then loaded with a pro-apoptotic NCL antagonist agent (N6L) as an anticancer drug. The obtained particles exhibited pH-responsive drug releases and excellent anticancer activities with inhibition of cancer cell growth up to 60%.
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Affiliation(s)
- Jalal Poostforooshan
- Institute of Particle Technology , Clausthal University of Technology , 38678 Clausthal-Zellerfeld , Germany
| | - Sabrina Belbekhouche
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil , 94320 Thiais , France
| | - Masoom Shaban
- Institute of Particle Technology , Clausthal University of Technology , 38678 Clausthal-Zellerfeld , Germany
| | - Vanessa Alphonse
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU) , Université-Paris-Est Créteil , 94010 Créteil Cedex , France
| | - Damien Habert
- Laboratoire CRRET, University of Paris Est, ERL-CNRS 9215 , 94010 Créteil Cedex , France
| | - Noureddine Bousserrhine
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU) , Université-Paris-Est Créteil , 94010 Créteil Cedex , France
| | - José Courty
- Laboratoire CRRET, University of Paris Est, ERL-CNRS 9215 , 94010 Créteil Cedex , France
| | - Alfred P Weber
- Institute of Particle Technology , Clausthal University of Technology , 38678 Clausthal-Zellerfeld , Germany
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Belbekhouche S, Bousserrhine N, Alphonse V, Le Floch F, Charif Mechiche Y, Menidjel I, Carbonnier B. Chitosan based self-assembled nanocapsules as antibacterial agent. Colloids Surf B Biointerfaces 2019; 181:158-165. [PMID: 31129522 DOI: 10.1016/j.colsurfb.2019.05.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 05/02/2019] [Accepted: 05/14/2019] [Indexed: 02/07/2023]
Abstract
Creating an appropriate antibacterial disinfection system without forming any harmful compounds is still a major challenge and calls for new technologies for efficient disinfection and microbial control. Towards this aim, we report on the elaboration of biodegradable and biocompatible polymeric nanocapsules, also called hollow nanoparticles, for potential applications in antibiotic therapy. These nanomaterials are based on the self-assembly of charged polysaccharides, namely chitosan and alginate, onto gold nanoparticles as a sacrificial matrix (60 nm). Electrostatic interactions between the protonated amine groups of chitosan (+35 mV) and the carboxylate groups of alginate (- 20 mV) are the driving attraction force enabling the elaboration of well-ordered multilayer films onto the spherical substrate. The removal of the colloidal gold, via cyanide-assisted hydrolysis, is evidenced by time-dependent variation of the gold spectroscopic signature (30 min is required). TEM shows the obtention of nanocapsules. An inhibitory effect of these particles has been demonstrated during the growth of two representative bacteria in a liquid medium: Staphylococcus aureus (Gram-positive) (from 4.6% to 16.3% for gold nanomaterials + and from 18.6% to 34.9% for (chi+/alg-)n-chi+ nanocapsules) and Escherichia coli (Gram-negative) (from 5.4% to 20% for gold nanomaterials and from 23.7% to 40% for (chi+/alg-)n-chi+ nanocapsules). Acridine orange staining demonstrated the bactericidal effect of chitosan-based capsules. These findings demonstrate that (chitosan/alginate)n capsules can be exploited as new antibacterial material. Thus, we present a complementary approach to classical nanoparticles prepared by complexation between alginate and chitosan or other materials.
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Affiliation(s)
- Sabrina Belbekhouche
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France.
| | - Noureddine Bousserrhine
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), Université-Paris-Est Créteil, Créteil cedex, 94010, France
| | - Vanessa Alphonse
- Laboratoire Eau Environnement et Systèmes Urbains (LEESU), Université-Paris-Est Créteil, Créteil cedex, 94010, France
| | - Fannie Le Floch
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
| | - Youcef Charif Mechiche
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
| | - Ilyes Menidjel
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
| | - Benjamin Carbonnier
- Institut de Chimie et des Matériaux Paris-Est, UMR 7182 CNRS-Université Paris-Est Créteil Val-de-Marne, 2 rue Henri Dunant, 94320 Thiais, France
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Mkhinini M, Boughattas I, Alphonse V, Livet A, Bousserrhine N, Banni M. Effect of treated wastewater irrigation in East Central region of Tunisia (Monastir governorate) on the biochemical and transcriptomic response of earthworms Eisenia andrei. Sci Total Environ 2019; 647:1245-1255. [PMID: 30180333 DOI: 10.1016/j.scitotenv.2018.07.449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 07/21/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
Treated wastewater (TWW) reuse for irrigation has become an excellent way to palliate water scarcity in Mediterranean arid regions. However, the toxicological effects of these effluents on the soil's organisms, especially earthworms, have not been well studied as yet. In this paper, earthworms Eisenia andrei were exposed for 7 days and 14 days to five agricultural soils irrigated with TWW for different periods: 1 year, 8 years, and 20 years. In addition, they were also exposed to soil from one reference site sampled from the Ouardenin perimeter in the Monastir Governorate in Tunisia. The effect on earthworms was assessed at the biochemical level by evaluating for catalase (CAT), glutathione-S-transferase (GST), malondialdehyde accumulation (MDA) and acetylcholinesterase inhibition (AChE). On the other hand, genotoxicity and transcriptomic responses were evaluated using micronuclei test (MNT) and gene expression level of CAT and GST. Moreover, metals uptake by earthworms was analyzed. Results showed that CAT and GST activity in the earthworm increased significantly when they were exposed to soils irrigated with TWW for 1, 8 and 20 years. Furthermore, MDA concentration also increased significantly with the increase in exposure period. However, AChE activity decreased and MNi frequency increased in earthworms after 7 and 14 days of exposure to soils irrigated with TWW for more than a year. The gene expression level of CAT and GST showed a significant variability, thus data are discussed in relation to the studied biomarkers (CAT and GST). These data provide new insights into the effect of toxicity of TWW on the soil's macro fauna, which is strongly affected by the trace elements and other organic compounds accumulated in soils after 20 years of TWW irrigation.
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Affiliation(s)
- Marouane Mkhinini
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy Chott-Meriem, 4042, Tunisia.
| | - Iteb Boughattas
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy Chott-Meriem, 4042, Tunisia.
| | - Vanessa Alphonse
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil cedex, 94010, France.
| | - Alexandre Livet
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil cedex, 94010, France.
| | - Noureddine Bousserrhine
- Laboratory of Water Environment and Urban systems, University Paris-Est Créteil, Créteil cedex, 94010, France.
| | - Mohammed Banni
- Laboratory of Biochemistry and Environmental Toxicology, Higher Institute of Agronomy Chott-Meriem, 4042, Tunisia
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Couic E, Grimaldi M, Alphonse V, Balland-Bolou-Bi C, Livet A, Giusti-Miller S, Sarrazin M, Bousserrhine N. Mercury behaviour and C, N, and P biogeochemical cycles during ecological restoration processes of old mining sites in French Guiana. Environ Sci Process Impacts 2018; 20:657-672. [PMID: 29504006 DOI: 10.1039/c8em00016f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Several decades of gold mining extraction activities in the Amazonian rainforest have caused deforestation and pollution. While ecological rehabilitation is essential for restoring biodiversity and decreasing erosion on deforested lands, few studies note the behaviour or toxicity of trace elements during the rehabilitation process. Our original study focused on the potential use of microbial activity and Hg speciation and compared them with As, Cu, Zn and Cr speciation in assessing the chemical and biological quality of ecological restoration efforts. We sampled two sites in French Guyana 17 years after rehabilitation efforts began. The former site was actively regenerated (R) with the leguminous species Clitoria racemosa and Acacia mangium, and the second site was passively regenerated with spontaneous vegetation (Sv). We also sampled soil from a control site without a history of gold mining (F). We performed microcosm soil experiments for 30 days, where trace element speciation and enzyme activities (i.e., FDA, dehydrogenase, β-glucosidase, urease, alkaline and acid phosphatase) were estimated to characterise the behaviour of trace elements and the soil microbial activity. As bioindicators, the use of soil microbial carbon biomass and soil enzyme activities related to the carbon and phosphorus cycles seems to be relevant for assessing soil quality in rehabilitated and regenerated old mining sites. Our results showed that restoration with leguminous species had a positive effect on soil chemical quality and on soil microbial bioindicators, with activities that tended toward natural non-degraded soil (F). Active restoration processes also had a positive effect on Hg speciation by reducing its mobility. While in Sv we found more exchangeable and soluble mercury, in regenerated sites, Hg was mostly bound to organic matter. These results also suggested that enzyme activities and mercury cycles are sensitive to land restoration and must be considered when evaluating the efficiency of restoration processes.
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Affiliation(s)
- Ewan Couic
- Institut d'Ecologie et des Sciences de l'Environnement de Paris (IEES), Université-Paris-Est Créteil, Créteil cedex, 94010, France.
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Balland-Bolou-Bi C, Turc B, Alphonse V, Bousserrhine N. Impact of microbial communities from tropical soils on the mobilization of trace metals during dissolution of cinnabar ore. J Environ Sci (China) 2017; 56:122-130. [PMID: 28571847 DOI: 10.1016/j.jes.2016.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 09/19/2016] [Accepted: 10/08/2016] [Indexed: 06/07/2023]
Abstract
Biodissolution experiments on cinnabar ore (mercury sulphide and other sulphide minerals, such as pyrite) were performed with microorganisms extracted directly from soil. These experiments were carried out in closed systems under aerobic and anaerobic conditions with 2 different soils sampled in French Guyana. The two main objectives of this study were (1) to quantify the ability of microorganisms to mobilize metals (Fe, Al, Hg) during the dissolution of cinnabar ore, and (2) to identify the links between the type and chemical properties of soils, environmental parameters such as season and the strategies developed by indigenous microorganisms extracted from tropical natural soils to mobilize metals. Results indicate that microbial communities extracted directly from various soils are able to (1) survive in the presence of cinnabar ore, as indicated by consumption of carbon sources and, (2) leach Hg from cinnabar in oxic and anoxic dissolution experiments via the acidification of the medium and the production of low molecular mass organic acids (LMMOAs). The dissolution rate of cinnabar in aerobic conditions with microbial communities ranged from 4.8×10-4 to 2.6×10-3μmol/m2/day and was independent of the metabolites released by the microorganisms. In addition, these results suggest an indirect action by the microorganisms in the cinnabar dissolution. Additionally, because iron is a key element in the dynamics of Hg, microbes were stimulated by the presence of this metal, and microbes released LMMOAs that leached iron from iron-bearing minerals, such as pyrite and oxy-hydroxide of iron, in the mixed cinnabar ore.
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Affiliation(s)
- Clarisse Balland-Bolou-Bi
- Université Paris-Est Créteil Val de Marne, Institute of Ecology and Environmental Sciences of Paris (UMR 7618), 61 avenue du Général De Gaulle, 94010 Créteil cedex, France.
| | - Benjamin Turc
- Université Paris-Est Créteil Val de Marne, Institute of Ecology and Environmental Sciences of Paris (UMR 7618), 61 avenue du Général De Gaulle, 94010 Créteil cedex, France
| | - Vanessa Alphonse
- Université Paris-Est Créteil Val de Marne, Institute of Ecology and Environmental Sciences of Paris (UMR 7618), 61 avenue du Général De Gaulle, 94010 Créteil cedex, France
| | - Noureddine Bousserrhine
- Université Paris-Est Créteil Val de Marne, Institute of Ecology and Environmental Sciences of Paris (UMR 7618), 61 avenue du Général De Gaulle, 94010 Créteil cedex, France
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Modjinou T, Versace DL, Abbad-Andallousi S, Bousserrhine N, Dubot P, Langlois V, Renard E. Antibacterial and antioxidant bio-based networks derived from eugenol using photo-activated thiol-ene reaction. REACT FUNCT POLYM 2016. [DOI: 10.1016/j.reactfunctpolym.2016.02.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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