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Cheng S, Keang K, Cross JS. Evidence that microplastics at environmentally relevant concentration and size interfere with energy metabolism of microalgal community. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:134995. [PMID: 38909468 DOI: 10.1016/j.jhazmat.2024.134995] [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: 04/02/2024] [Revised: 06/08/2024] [Accepted: 06/20/2024] [Indexed: 06/25/2024]
Abstract
To address two current issues in evaluating the toxicity of microplastics (MPs) namely, conflicting results due to species specificity and the ecological irrelevance of laboratory data, this study conducted a 10-day exposure experiment using a microalgal community comprising three symbiotic species. The experiment involved virgin and Benzo[a]pyrene-spiked micron-scale fibers and fragments made of polyethylene terephthalate (PET) and polypropylene (PP). The results showed that, from a physiological perspective, environmentally relevant concentrations of micron-scale MPs decreased saccharide accumulation in microalgal cells, as confirmed by ultrastructural observations. MPs may increase cellular energy consumption by obstructing cellular motility, interfering with nutrient uptake, and causing sustained oxidative stress. Additionally, MPs and adsorbed B[a]P induced DNA damage in microalgae, potentially further disrupting cellular energy metabolism. Ecologically, MPs altered the species abundance in microalgal communities, suggesting they could weaken the ecological functions of these communities as producers and affect ecosystem diversity and stability. This study marks a significant advancement from traditional single-species toxicity experiments to community-level assessments, providing essential insights for ecological risk assessment of microplastics and guiding future mechanistic studies utilizing multi-omics analysis.
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Affiliation(s)
- Shuo Cheng
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, Tokyo, Japan.
| | - Kimleng Keang
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, Tokyo, Japan
| | - Jeffrey S Cross
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, Tokyo, Japan
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2
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Jessica, Cheng S, Cross JS. Effects of virgin and BaP-adsorbed microplastics ingestion by Manila clams (Ruditapes philippinarum). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 103:104259. [PMID: 37660959 DOI: 10.1016/j.etap.2023.104259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/26/2023] [Accepted: 08/31/2023] [Indexed: 09/05/2023]
Abstract
Numerous microplastic-related studies have investigated the impact of plastic materials on the marine food chain. In this study, Manila clams were exposed to microplastic (MP) of various polymer types, shapes, and concentrations to determine the ingestion selectivity and adverse effects caused. Benzo[a]pyrene was introduced as the second stressor to investigate the role of MP as a vector of contaminant. The result of a 2-day acute exposure showed that clams are more likely to ingest those in sphere shapes due to their similarity to microalgae. The feeding rate continuously declined when clams were exposed to at least 2to/L particles. Additionally, co-exposure of MP and B[a]P resulted in higher DNA fragmentation but lower catalase activity compared to single exposure to MP. Our study revealed that the uptake of MP by clams is not only determined by its shape and concentration but also by the presence of existing contaminants.
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Affiliation(s)
- Jessica
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, 2-12-1 I4-13 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Shuo Cheng
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, 2-12-1 I4-13 Ookayama, Meguro-ku, Tokyo 152-8550, Japan.
| | - Jeffrey Scott Cross
- Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, 2-12-1 I4-13 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
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3
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González-Soto N, Blasco N, Irazola M, Bilbao E, Guilhermino L, Cajaraville MP. Fate and effects of graphene oxide alone and with sorbed benzo(a)pyrene in mussels Mytilus galloprovincialis. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131280. [PMID: 37030218 DOI: 10.1016/j.jhazmat.2023.131280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/13/2023] [Accepted: 03/22/2023] [Indexed: 05/03/2023]
Abstract
Graphene oxide (GO) has gained a great scientific and economic interest due to its unique properties. As incorporation of GO in consumer products is rising, it is expected that GO will end up in oceans. Due to its high surface to volume ratio, GO can adsorb persistent organic pollutants (POPs), such as benzo(a)pyrene (BaP), and act as carrier of POPs, increasing their bioavailability to marine organisms. Thus, uptake and effects of GO in marine biota represent a major concern. This work aimed to assess the potential hazards of GO, alone or with sorbed BaP (GO+BaP), and BaP alone in marine mussels after 7 days of exposure. GO was detected through Raman spectroscopy in the lumen of the digestive tract and in feces of mussels exposed to GO and GO+BaP while BaP was bioaccumulated in mussels exposed to GO+BaP, but especially in those exposed to BaP. Overall, GO acted as a carrier of BaP to mussels but GO appeared to protect mussels towards BaP accumulation. Some effects observed in mussels exposed to GO+BaP were due to BaP carried onto GO nanoplatelets. Enhanced toxicity of GO+BaP with respect to GO and/or BaP or to controls were identified for other biological responses, demonstrating the complexity of interactions between GO and BaP.
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Affiliation(s)
- Nagore González-Soto
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Nagore Blasco
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Mireia Irazola
- Dept. Analytical Chemistry and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Lúcia Guilhermino
- Ecotoxicology Research Group, ICBAS, Institute of Biomedical Sciences of Abel Salazar and Research Group of Ecotoxicology, Stress Ecology and Environmental Health (ECOTOX), CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Portugal
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Science and Technology Faculty and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain.
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4
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Wang Y, Zhang M, Ding G, Shi H, Cong Y, Li Z, Wang J. Polystyrene microplastics alleviate adverse effects of benzo[a]pyrene on tissues and cells of the marine mussel, Mytilus galloprovincialis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 256:106430. [PMID: 36812700 DOI: 10.1016/j.aquatox.2023.106430] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
As two major ubiquitous pollutants, microplastics (MPs) and polycyclic aromatic hydrocarbons (PAHs) coexist in the marine environment. However, the role of MPs in altering the toxicity of PAHs to marine organisms is poorly understood. We therefore investigated the accumulation and toxicity of benzo[a]pyrene (B[a]P, 0.4 nM), in the marine mussel Mytilus galloprovincialis over a 4-day of exposure with or without the presence of 10 μm polystyrene microplastics (PS MPs) (10 particles/mL). The presence of PS MPs significantly decreased B[a]P accumulation in soft tissues of M. galloprovincialis by approximately 6.7%. Single exposure of PS MPs or B[a]P decreased the mean epithelial thickness (MET) of digestive tubules and enhanced reactive oxygen species (ROS) levels in haemolymph, while upon co-exposure the adverse impacts were alleviated. Real-time q-PCR results showed that most selected genes involved in stress response (FKBP, HSP90), immune (MyD88a, NF-κB) and detoxification (CYP4Y1) were induced for both single exposure and co-exposure. The co-presence of PS MPs down-regulated the mRNA expression of NF-κB in gills compared with of B[a]P alone. The uptake and toxicity reductions of B[a]P might result from the decrease of its bioavailable concentrations caused by the adsorption of B[a]P by PS MPs and the strong affinity of B[a]P to PS MPs. Adverse outcomes for the co-existence of marine emerging pollutants under long-term conditions remain to be further validated.
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Affiliation(s)
- Ying Wang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China.
| | - Mingxing Zhang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Guanghui Ding
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian 116026, China
| | - Huahong Shi
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
| | - Yi Cong
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Zhaochuan Li
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China
| | - Juying Wang
- Key Laboratory for Ecological Environment in Coastal Areas, Ministry of Ecology and Environment, National Marine Environmental Monitoring Center, Dalian 116023, China.
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5
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Bebianno MJ, Mendes VM, O'Donovan S, Carteny CC, Keiter S, Manadas B. Effects of microplastics alone and with adsorbed benzo(a)pyrene on the gills proteome of Scrobicularia plana. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 842:156895. [PMID: 35753444 DOI: 10.1016/j.scitotenv.2022.156895] [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: 03/31/2022] [Revised: 06/18/2022] [Accepted: 06/19/2022] [Indexed: 06/15/2023]
Abstract
Microplastics (MPs) are globally present in the marine environment, but the biological effects on marine organisms at the molecular and cellular levels remain scarce. Due to their lipophilic nature, MPs can adsorb other contaminants present in the marine environment, which may increase their detrimental effects once ingested by organisms. This study investigates the effects of low-density polyethylene (PE) MPs with and without adsorbed benzo[a]pyrene (BaP) in the gills proteome of the peppery furrow shell clam, Scrobicularia plana. Clams were exposed to PE MPs (11-13 μm; 1 mg L-1) for 14 days. BaP was analyzed in whole clams' soft tissues, and a proteomic approach was applied in the gills using SWATH/DIA analysis. Proteomic responses suggest that virgin MPs cause disturbance by altering cytoskeleton and cell structure, energy metabolism, conformational changes, oxidative stress, fatty acids, DNA binding and, neurotransmission highlighting the potential risk of this type of MPs for the clam health. Conversely, when clam gills were exposed to MPs adsorbed with BaP a higher differentiation of protein expression was observed that besides changes in cytoskeleton and cell structure, oxidative stress, energy metabolism and DNA binding also induce changes in glucose metabolism, RNA binding and apoptosis. These results indicate that the presence of both stressors (MPs and BaP) have a higher toxicological risk to the health of S. plana.
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Affiliation(s)
- M J Bebianno
- Centre for Marine and Environmental Research (CIMA), University of Algarve, Campus de Gambelas, 8000-397 Faro, Portugal.
| | - Vera M Mendes
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Sarit O'Donovan
- Centre for Marine and Environmental Research (CIMA), University of Algarve, Campus de Gambelas, 8000-397 Faro, Portugal
| | - Camila C Carteny
- Systemic Physiological and Ecotoxicological Research, Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Stephen Keiter
- Man-Technology-Environment Research Centre (MTM), School of Science and Technology, Örebro University, Örebro, Sweden
| | - Bruno Manadas
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
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6
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Romdhani I, De Marco G, Cappello T, Ibala S, Zitouni N, Boughattas I, Banni M. Impact of environmental microplastics alone and mixed with benzo[a]pyrene on cellular and molecular responses of Mytilus galloprovincialis. JOURNAL OF HAZARDOUS MATERIALS 2022; 435:128952. [PMID: 35472537 DOI: 10.1016/j.jhazmat.2022.128952] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/06/2022] [Accepted: 04/15/2022] [Indexed: 06/14/2023]
Abstract
The hazard of microplastic (MP) pollution in marine environments is a current concern. However, the effects of environmental microplastics combined with other pollutants are still poorly investigated. Herein, impact of ecologically relevant concentrations of environmental MP alone (50 µg/L) or combined with B[a]P (1 µg/L) was assessed in mussel Mytilus galloprovincialis after a short-term exposure (1 and 3 days) to environmental MP collected from a north-Mediterranean beach. Raman Microspectroscopy (RMS) revealed bioaccumulation in mussel hemolymph of MP, characterized by polyethylene (PE), polyethylene terephthalate (PET), polypropylene (PP), polyethylene vinyl acetate (PEVA) and high-density polyethylene (HDPE), with abundance of MP sized 1.22-0.45 µm. An increase of B[a]P was detected in mussels after 3-day exposure, particularly when mixed with MP. Both contaminants induced cytotoxic and genotoxic effects on hemocytes as determined by lysosomal membrane stability (LMS), micronuclei frequency (FMN), and DNA fragmentation rate by terminal dUTP nick-end labeling (TUNEL). About apoptosis/DNA repair processes, P53 and DNA-ligase increased at 1-day exposure in all conditions, whereas after 3 days increase of bax, Cas-3 and P53 and decrease of Bcl-2 and DNA-ligase were revealed, suggesting a shift towards a cell apoptotic event in exposed mussels. Overall, this study provides new insights on the risk of MP for the marine ecosystem, their ability to accumulate xenobiotics and transfer them to marine biota, with potential adverse repercussion on their health status.
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Affiliation(s)
- Ilef Romdhani
- Laboratory of Agrobiodiversity and Ecotoxicology LR20AGR02, ISA, University of Sousse, Tunisia and Higher Institute of Biotechnology, ISBM, University of Monastir, Tunisia
| | - Giuseppe De Marco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina 98166, Italy
| | - Tiziana Cappello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina 98166, Italy.
| | - Samira Ibala
- Faculty of Medicine of Sousse, University of Sousse, Tunisia
| | - Nesrine Zitouni
- Laboratory of Agrobiodiversity and Ecotoxicology LR20AGR02, ISA, University of Sousse, Tunisia and Higher Institute of Biotechnology, ISBM, University of Monastir, Tunisia
| | - Iteb Boughattas
- Laboratory of Agrobiodiversity and Ecotoxicology LR20AGR02, ISA, University of Sousse, Tunisia and Higher Institute of Biotechnology, ISBM, University of Monastir, Tunisia
| | - Mohamed Banni
- Laboratory of Agrobiodiversity and Ecotoxicology LR20AGR02, ISA, University of Sousse, Tunisia and Higher Institute of Biotechnology, ISBM, University of Monastir, Tunisia
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7
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Saravanakumar K, Sivasantosh S, Sathiyaseelan A, Sankaranarayanan A, Naveen KV, Zhang X, Jamla M, Vijayasarathy S, Vishnu Priya V, MubarakAli D, Wang MH. Impact of benzo[a]pyrene with other pollutants induce the molecular alternation in the biological system: Existence, detection, and remediation methods. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 304:119207. [PMID: 35351595 DOI: 10.1016/j.envpol.2022.119207] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
The exposure of benzo [a]pyrene (BaP) in recent times is rather unavoidable than ever before. BaP emissions are sourced majorly from anthropogenic rather than natural provenance from wildfires and volcanic eruptions. A major under-looked source is via the consumption of foods that are deep-fried, grilled, and charcoal smoked foods (meats in particular). BaP being a component of poly aromatic hydrocarbons has been classified as a Group I carcinogenic agent, which has been shown to cause both systemic and localized effects in animal models as well as in humans; has been known to cause various forms of cancer, accelerate neurological disorders, invoke DNA and cellular damage due to the generation of reactive oxygen species and involve in multi-generational phenotypic and genotypic defects. BaP's short and accumulated exposure has been shown in disrupting the fertility of gamete cells. In this review, we have discussed an in-depth and capacious run-through of the various origins of BaP, its economic distribution and its impact as well as toxicological effects on the environment and human health. It also deals with a mechanism as a single compound and its ability to synergize with other chemicals/materials, novel sensitive detection methods, and remediation approaches held in the environment.
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Affiliation(s)
- Kandasamy Saravanakumar
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
| | | | - Anbazhagan Sathiyaseelan
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
| | - Alwarappan Sankaranarayanan
- Department of Life Sciences, Sri Sathya Sai University for Human Excellence, Navanihal, Karnataka, 585 313, India.
| | - Kumar Vishven Naveen
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
| | - Xin Zhang
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
| | - Monica Jamla
- Department of Biotechnology, Modern College of Arts, Science and Commerce, Savitribai Phule Pune University, Pune, 411007, India.
| | - Sampathkumar Vijayasarathy
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
| | - Veeraraghavan Vishnu Priya
- Department of Biochemistry, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India.
| | - Davoodbasha MubarakAli
- School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, Tamil Nadu, 600048, India.
| | - Myeong-Hyeon Wang
- Department of Bio-Health Convergence, Kangwon National University, Chuncheon, 200-701, Republic of Korea.
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8
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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. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127578. [PMID: 34736209 DOI: 10.1016/j.jhazmat.2021.127578] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [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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9
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Abdelsaleheen O, Abdolahpur Monikh F, Keski-Saari S, Akkanen J, Taskinen J, Kortet R. The joint adverse effects of aged nanoscale plastic debris and their co-occurring benzo[α]pyrene in freshwater mussel (Anodonta anatina). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 798:149196. [PMID: 34340087 DOI: 10.1016/j.scitotenv.2021.149196] [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: 05/29/2021] [Revised: 07/18/2021] [Accepted: 07/18/2021] [Indexed: 06/13/2023]
Abstract
Although the presence of small-scale plastics, including nanoscale plastic debris (NPD, size <1 μm), is expected in the environment, our understanding of their potential uptake and biodistribution in organisms is still limited. This mostly is because of the limitations in analytical techniques to characterize NPD in organisms' bodies. Moreover, it is still debatable whether aged NPD can sorb and transfer chemicals into organisms. Here, we apply iron oxide-doped polystyrene nanoparticles (Fe-PS NPs) of 270 nm size to quantify the uptake and biodistribution of NPD in freshwater mussels (Anodonta anatina). The Fe-PS NPs were, first, oxidized using heat-activated potassium persulfate treatments to produce NPD (aged particles). Then, the sorption of benzo[a]pyrene (B[α]P), as a model of organic chemicals, into the aged NPD was studied. Chemical oxidation (i.e. aging) significantly decreased the sorption of B[α]P into the particles over 5 days when compared to pristine particles. After 72-h of exposure, A. anatina accumulated NPD in the gills and digestive gland. When exposed to the mixture of NPD and B[α]P, the number of particles in the gills and digestive gland increased significantly compared to the mussels exposed to NPD alone. Moreover, the mixture of NPD and B[α]P increased the activity of Superoxide dismutase and Catalase enzymes in the exposed mussels when compared to the control and to the NPD alone. The present study provides evidence that aged NPD not only could accumulate and alter the toxicity profile of organic chemicals in aquatic organisms, but the chemicals also could facilitate the uptake of NPD (combined effects).
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Affiliation(s)
- Olfat Abdelsaleheen
- Department of Environmental & Biological Sciences, University of Eastern Finland, PO Box 111, FI80101 Joensuu, Finland; Department of Zoology, Sohag University, P.O. Box 82524, Sohag, Egypt
| | - Fazel Abdolahpur Monikh
- Department of Environmental & Biological Sciences, University of Eastern Finland, PO Box 111, FI80101 Joensuu, Finland.
| | - Sarita Keski-Saari
- Department of Environmental & Biological Sciences, University of Eastern Finland, PO Box 111, FI80101 Joensuu, Finland
| | - Jarkko Akkanen
- Department of Environmental & Biological Sciences, University of Eastern Finland, PO Box 111, FI80101 Joensuu, Finland
| | - Jouni Taskinen
- Department of Biological and Environmental Science, University of Jyväskylä, PO Box 35, FI40014 University of Jyväskylä, Finland
| | - Raine Kortet
- Department of Environmental & Biological Sciences, University of Eastern Finland, PO Box 111, FI80101 Joensuu, Finland
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10
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Polystyrene nanoplastics and microplastics can act as Trojan horse carriers of benzo(a)pyrene to mussel hemocytes in vitro. Sci Rep 2021; 11:22396. [PMID: 34789853 PMCID: PMC8599475 DOI: 10.1038/s41598-021-01938-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 10/12/2021] [Indexed: 12/24/2022] Open
Abstract
In this work we studied the ability of polystyrene (PS) nanoplastics (NPs) and microplastics (MPs) to transfer benzo(a)pyrene (BaP) to mussel hemocytes and to produce toxic effects in vitro. For this, intracellular fate and toxicity of PS NPs (0.05 μm) and MPs (0.5 and 4.5 μm) alone or with BaP and of BaP alone were assessed. Particles of 0.05 and 0.5 µm largely aggregated in the exposure medium whereas presence of BaP reduced particle aggregation. Cells internalized PS NPs and MPs alone or with BaP and these were found inside and outside lysosomes, depending on their size. PS particles alone or with BaP were cytotoxic to hemocytes only at the highest concentrations tested. The same was true for most sublethal endpoints except for increased phagocytic activity provoked by NPs and 0.5 μm MPs at lower concentrations. Plastic particles appeared to be the main drivers for reduced plasma membrane integrity and increased phagocytic and lysosomal activities whereas BaP appeared to contribute more to reduced cell viability and phagocytosis and increased ROS production and genotoxicity. Overall, PS NPs and MPs can act as carriers of BaP to mussel hemocytes, rising concerns about risks plastics associated to pollutants may pose to aquatic organisms.
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11
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Dellali M, Hedfi A, Ali MB, Noureldeen A, Darwish H, Beyrem H, Gyedu-Ababio T, Dervishi A, Karachle PK, Boufahja F. Multi-biomarker approach in Mytilus galloprovincialis and Ruditapes decussatus as a predictor of pelago-benthic responses after exposure to Benzo[a]Pyrene. Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109141. [PMID: 34271163 DOI: 10.1016/j.cbpc.2021.109141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/21/2021] [Accepted: 07/08/2021] [Indexed: 12/17/2022]
Abstract
This study evaluated the biomarker responses indicative of exposure to Benzo[a] Pyrene (B[a]P) in Mytilus galloprovincialis and Ruditapes decussatus. A significant increase of the total oxyradical scavenging capacity (TOSC) was observed after seven days of exposure to two concentrations of B[a]P (100 and 300 μg.L-1), in the digestive gland with the lowest concentration tested. The TOSC in the gills increased notably only after the exposure to 300 μg.L-1 of B[a]P. Interestingly, the superoxide dismutase (SOD) and catalase (CAT) activities in gills and digestive gland on one hand and glutathione S-transferase (GST) in gills in the other, were positively correlated with the concentration of B[a]P with a significant induction noticed at the highest concentration. In contrast, a significant increase of the GST activity was observed in the digestive gland following the exposure of bivalves to 100 μg.L-1. In pelagic (M. galloprovincialis) or benthic (R. decussatus) bivalves, the AChE activity decreased discernibly in digestive glands and gills with the increase of B[a]P concentrations as evidence of neurotoxic effects. In clams, the exposure to B[a]P was followed by a significant increase of Malondialdehyde level (MDA) in gills and digestive gland, this does not occur in gills of Mytilus galloprovincialis at the concentration of 100 μg.L-1. Overall, the results found seems to indicate that the mussel was more suitable as a predictor tool of toxicity of B[a]P.
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Affiliation(s)
- Mohamed Dellali
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Amor Hedfi
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Manel Ben Ali
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed Noureldeen
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hadeer Darwish
- Department of Biotechnology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hamouda Beyrem
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | | | - Aida Dervishi
- Department of Biotechnology, Faculty of Natural Sciences, University of Tirana, Zog I, 25/1, 1001 Tirana, Albania
| | - Paraskevi K Karachle
- Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland waters, 46.7 Athens-Sounio Ave., P.O. Box 712, 19013 Anavyssos Attika, Greece
| | - Fehmi Boufahja
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia.
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Xu K, Wang H, Li P. The cadmium toxicity in gills of Mytilus coruscus was accentuated by benzo(a)pyrene of higher dose but not lower dose. Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109128. [PMID: 34237427 DOI: 10.1016/j.cbpc.2021.109128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/24/2021] [Accepted: 06/30/2021] [Indexed: 11/24/2022]
Abstract
In natural environment, the existence of interactions of toxic mixtures could induce diverse biochemical pathways and consequently exert different toxicological responses in aquatic organisms. However, little information is available on the effects of combined xenobiotics on lower aquatic invertebrates. Here, we assessed the effects of cadmium (Cd, 0.31 mg/L) as well as the mixture of Cd (0.31 mg/L) and benzo(a)pyrene (Bap, 5 or 50 μg/L) on bioaccumulation, antioxidant, lipid peroxidation (LPO) and metallothionein (MT) responses in gills of thick shell mussel Mytilus coruscus. Upon exposed to single Cd, the metal bioaccumulation, antioxidant enzymes activities, LPO and MT level significantly increased in the gills, suggesting an apparent toxicity to mussels. The interaction of Cd + 5 μg/L Bap did not significantly alter these endpoints compared to single Cd. However, once the dose of Bap elevated to 50 μg/L, the induction of bioaccumulation, antioxidant system and LPO was even more pronounced while the induction of MT was remarkably inhibited, implying an accentuated toxicity. Collectively, the current results demonstrated that 0.31 mg/L Cd exposure resulted in severe toxicity to mussels despite of the induction of MT system to alleviate the metal toxicity. Once the Cd exposure combined with Bap, the lower dose of Bap could not change the Cd toxicity while the higher dose of Bap accentuated the toxicity by inhibiting metallothionein synthesis. These findings might provide some useful clues for elucidation the mechanism of the interaction of combined xenobiotics in molluscs.
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Affiliation(s)
- Kaida Xu
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Zhejiang Marine Fisheries Research Institute, Zhejiang, Zhoushan 316021, China.
| | - Haoxue Wang
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Zhejiang Marine Fisheries Research Institute, Zhejiang, Zhoushan 316021, China
| | - Pengfei Li
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Zhejiang Marine Fisheries Research Institute, Zhejiang, Zhoushan 316021, China
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13
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Bandini F, Hchaichi I, Zitouni N, Missawi O, Cocconcelli PS, Puglisi E, Banni M. Bacterial community profiling of floating plastics from South Mediterranean sites: First evidence of effects on mussels as possible vehicles of transmission. JOURNAL OF HAZARDOUS MATERIALS 2021; 411:125079. [PMID: 33476909 DOI: 10.1016/j.jhazmat.2021.125079] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 06/12/2023]
Abstract
Plastic wastes accumulation in marine environments is becoming a crucial issue; while the toxicity to biota is quite well explored, a gap of knowledge still exists on the role that plastics play in shaping bacterial community structures in marine conditions and their possible transmission to humans. The present study intended first to profile bacterial community structure in floating plastic particles (FP) biofilms and seawater from four Tunisian coastal areas using high-throughput sequencing (HTS) of 16S rDNA. Subsequently, mussels (Mytilus galloprovincialis) as filter feeding organisms were exposed to the FP to broaden the knowledge on the potential role played by environmental plastic particles in shaping bacterial community structures and on their possibility to act as vehicles of bacteria through the food web. The mussels' microbiota was microbiologically analyzed through HTS, and the Histidine Rich Glycoprotein (HRG) gene expression level was investigated as the main immune response. Our results clearly showed a great variation in the composition of bacterial communities of FP and seawater from different geographical areas. Moreover, the gills of mussels exposed to sterilized seawater and native FP from each site exhibited a wider bacterial biodiversity. The gene expression level of HRG was found to be significantly higher in animals exposed to native FP when compared to sterilized FP. Our results should be carefully considered in view of the Trojan horse effects of FP toward bacteria and its potential toxicity.
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Affiliation(s)
- Francesca Bandini
- Dipartimento di Scienze e Tecnologie Alimentari per la sostenibilità della filiera agro-alimentare, Facoltà di Scienze Agrarie Alimentari ed Ambientali, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Ilef Hchaichi
- Laboratory of Biochemistry and Environmental Toxicology, ISA Chott-Mariem, Sousse University, Sousse, Tunisia
| | - Nesrin Zitouni
- Laboratory of Biochemistry and Environmental Toxicology, ISA Chott-Mariem, Sousse University, Sousse, Tunisia
| | - Oumayma Missawi
- Laboratory of Biochemistry and Environmental Toxicology, ISA Chott-Mariem, Sousse University, Sousse, Tunisia
| | - Pier Sandro Cocconcelli
- Dipartimento di Scienze e Tecnologie Alimentari per la sostenibilità della filiera agro-alimentare, Facoltà di Scienze Agrarie Alimentari ed Ambientali, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - Edoardo Puglisi
- Dipartimento di Scienze e Tecnologie Alimentari per la sostenibilità della filiera agro-alimentare, Facoltà di Scienze Agrarie Alimentari ed Ambientali, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA Chott-Mariem, Sousse University, Sousse, Tunisia; Higher Institute of Biotechnology, Monastir University, Monastir, Tunisia
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Moore MN, Sforzini S, Viarengo A, Barranger A, Aminot Y, Readman JW, Khlobystov AN, Arlt VM, Banni M, Jha AN. Antagonistic cytoprotective effects of C 60 fullerene nanoparticles in simultaneous exposure to benzo[a]pyrene in a molluscan animal model. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:142355. [PMID: 33022458 DOI: 10.1016/j.scitotenv.2020.142355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 06/11/2023]
Abstract
The hypothesis that C60 fullerene nanoparticles (C60) exert an antagonistic interactive effect on the toxicity of benzo[a]pyrene (BaP) has been supported by this investigation. Mussels were exposed to BaP (5, 50 & 100μg/L) and C60 (C60-1mg/L) separately and in combination. Both BaP and C60 were shown to co-localize in the secondary lysosomes of the hepatopancreatic digestive cells in the digestive gland where they reduced lysosomal membrane stability (LMS) or increased membrane permeability, while BaP also induced increased lysosomal lipid and lipofuscin, indicative of oxidative cell injury and autophagic dysfunction. Combinations of BaP and C60 showed antagonistic effects for lysosomal stability, mTORC1 (mechanistic target of rapamycin complex 1) inhibition and intralysosomal lipid (5 & 50μg/L BaP). The biomarker data (i.e., LMS, lysosomal lipidosis and lipofuscin accumulation; lysosomal/cell volume and dephosphorylation of mTORC1) were further analysed using multivariate statistics. Principal component and cluster analysis clearly indicated that BaP on its own was more injurious than in combination with C60. Use of a network model that integrated the biomarker data for the cell pathophysiological processes, indicated that there were significant antagonistic interactions in network complexity (% connectance) at all BaP concentrations for the combined treatments. Loss of lysosomal membrane stability probably causes the release of intralysosomal iron and hydrolases into the cytosol, where iron can generate harmful reactive oxygen species (ROS). It was inferred that this adverse oxidative reaction induced by BaP was ameliorated in the combination treatments by the ROS scavenging property of intralysosomal C60, thus limiting the injury to the lysosomal membrane; and reducing the oxidative damage in the cytosol and to the nuclear DNA. The ROS scavenging by C60, in combination with enhanced autophagic turnover of damaged cell constituents, appeared to have a cytoprotective effect against the toxic reaction to BaP in the combined treatments.
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Affiliation(s)
- Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK; European Centre for Environment & Human Health (ECEHH), University of Exeter Medical School, Knowledge Spa, Royal Cornwall Hospital, Cornwall TR1 3LJ, UK; Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3HD, UK.
| | - Susanna Sforzini
- Institute for the Study of Anthropic Impacts and Sustainability in Marine Environment - IAS, National Research Council - CNR, Via de Marini, 6, 16149 Genova, GE, Italy
| | - Aldo Viarengo
- Institute for the Study of Anthropic Impacts and Sustainability in Marine Environment - IAS, National Research Council - CNR, Via de Marini, 6, 16149 Genova, GE, Italy
| | - Audrey Barranger
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Yann Aminot
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - James W Readman
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK; Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3HD, UK
| | - Andrei N Khlobystov
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK; Nanoscale and Microscale Research Centre, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Volker M Arlt
- Department of Analytical, Environmental and Forensic Sciences, King's College London, MRC-PHE Centre for Environmental & Health, London SE1 9NH, UK; Toxicology Department, GAB Consulting GmbH, 69126 Heidelberg, Germany
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
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15
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Li Y, Liu S, Cheng H, Chen X, Shen X, Cai Y. Dynamic transcriptome response in Meretrix meretrix to Aroclor 1254 exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 207:111485. [PMID: 33254386 DOI: 10.1016/j.ecoenv.2020.111485] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 06/12/2023]
Abstract
Polychlorinated biphenyls (PCBs) are well-known persistent organic pollutants; they have toxic effects on the immune system, reproductive system, and endocrine system by changing the metabolism of the body. To elucidate the underlying molecular mechanism, the clam Meretrix meretrix was exposed to 10 and 1000 ng/L Aroclor 1254 and natural seawater (control). Samples from clams exposed to natural seawater and those exposed to Aroclor 1254 for 1 and 3 days were individually collected for transcriptome analysis. After assembly, more than 535,157 transcripts with a mean length of 949 bp and an N50 length of 1279 bp were obtained; a final set of 177,142 unigenes was generated. In the present study, 5101 differentially expressed genes were identified. The differentially expressed genes were related to detoxification metabolism, oxidative stress, immune response, and endocrine system disruption. Of these genes, under the Aroclor 1254 exposure, cytochrome P450 20A1 (2.06-4.46 folds), glutathione S-transferase (2.25-3.80 folds), multidrug resistance-associated protein 1-like (1.49-2.92 folds), peroxidase-like protein (1.33-4.26 folds), lysozyme (1.61-2.05 folds), bcl-2 like 1 protein (1.14-2.29 folds) and vitellogenin (1.09-1.19 folds) showed been significantly induced expressed. At the same time, some genes were down regulated, including cytochrome P450 2J5 (-1.20 ~ -2.86 folds), cytochrome P450 3A24 (-1.40 ~ -4.08 folds), C1q (-1.27 ~ -1.66 folds), Sulfotransferase (-1.51 ~ -1.84 folds), monocarboxylate transporter 10 (-1.30 ~ -4.70 folds), 3-beta hydroxysteroid dehydrogenase (-1.43 ~ -2.81 folds) and beta-galactosidase (-1.23 ~ -2.23 folds). Furthermore, it showed that the expression levels of CYP2J5, glutathione S-transferase, 3-beta hydroxysteroid dehydrogenase and beta-galactosidase had time responses and dose responses. The present study provided insights into the toxic effects of Aroclor 1254 exposure in M. meretrix.
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Affiliation(s)
- Yongqi Li
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shishi Liu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Hanliang Cheng
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiangning Chen
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xin Shen
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Yuefeng Cai
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
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16
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Duroudier N, Katsumiti A, Mikolaczyk M, Schäfer J, Bilbao E, Cajaraville MP. Cell and tissue level responses in mussels Mytilus galloprovincialis dietarily exposed to PVP/PEI coated Ag nanoparticles at two seasons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 750:141303. [PMID: 32871366 DOI: 10.1016/j.scitotenv.2020.141303] [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: 04/17/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (Ag NPs) are present in numerous consumer products due to their antimicrobial and other unique properties, thus concerns about their potential input into aquatic ecosystems are increasing. Toxicity of Ag NPs in waterborne exposed aquatic organisms has been widely investigated, but studies assessing the potential toxic effects caused after ingestion through the food web, especially at low realistic concentrations, remain scarce. Moreover, it is not well known whether season may influence toxic effects of Ag NPs. The main objective of this study was to determine cell and tissue level responses in mussels Mytilus galloprovincialis dietarily exposed to poly-N-vinyl-2-pirrolidone/polyethyleneimine (PVP/PEI) coated 5 nm Ag NPs for 1, 7 and 21 days both in autumn and spring. Mussels were fed every day with microalgae Isochrysis galbana exposed for 24 h to a low dose (1 μg Ag/L Ag NPs) in spring and to a higher dose (10 μg Ag/L Ag NPs) in spring and autumn. Mussels fed with microalgae exposed to the high dose accumulated Ag significantly after 21 days in both seasons, higher levels being measured in autumn compared to spring. Intralysosomal metal accumulation measured in mussel digestive gland and time- and dose-dependent reduction of mussels health status was similar in both seasons. DNA strand breaks increased significantly in hemocytes at both exposure doses along the 21 days in spring and micronuclei frequency showed an increasing trend after 1 and 7 days of exposure to 1 μg Ag/L Ag NPs in spring and to 10 μg Ag/L in both seasons. Values decreased after 21 days of exposure in all the cases. In conclusion, PVP/PEI coated 5 nm Ag NPs ingested through the food web were significantly accumulated in mussel tissues and caused adverse cell and tissue level effects both in autumn and in spring.
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Affiliation(s)
- Nerea Duroudier
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Alberto Katsumiti
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Mathilde Mikolaczyk
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Jörg Schäfer
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain.
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Chang Y, Huynh CTT, Bastin KM, Rivera BN, Siddens LK, Tilton SC. Classifying polycyclic aromatic hydrocarbons by carcinogenic potency using in vitro biosignatures. Toxicol In Vitro 2020; 69:104991. [PMID: 32890658 PMCID: PMC7572825 DOI: 10.1016/j.tiv.2020.104991] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/15/2020] [Accepted: 08/29/2020] [Indexed: 01/26/2023]
Abstract
One of the most difficult challenges for risk assessment is evaluation of chemicals that predominately co-occur in mixtures like polycyclic aromatic hydrocarbons (PAHs). We previously developed a classification model in which systems biology data collected from mice short-term after chemical exposure accurately predict tumor outcome. The present study demonstrates translation of this approach into a human in vitro model in which chemical-specific bioactivity profiles from 3D human bronchial epithelial cells (HBEC) classify PAHs by carcinogenic potency. Gene expression profiles were analyzed from HBEC exposed to carcinogenic and non-carcinogenic PAHs and classification accuracies were identified for individual pathway-based gene sets. Posterior probabilities of best performing gene sets were combined via Bayesian integration resulting in a classifier with four gene sets, including aryl hydrocarbon receptor signaling, regulation of epithelial mesenchymal transition, regulation of angiogenesis, and cell cycle G2-M. In addition, transcriptional benchmark dose modeling of benzo[a]pyrene (BAP) showed that the most sensitive gene sets to BAP regulation were largely dissimilar from those that best classified PAH carcinogenicity challenging current assumptions that BAP carcinogenicity (and subsequent mode of action) is reflective of overall PAH carcinogenicity. These results illustrate utility of using systems toxicology approaches to analyze global gene expression towards carcinogenic hazard assessment.
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Affiliation(s)
- Yvonne Chang
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA
| | - Celine Thanh Thu Huynh
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA
| | - Kelley M Bastin
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA
| | - Brianna N Rivera
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA
| | - Lisbeth K Siddens
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA; Linus Pauling Institute, Oregon State University, Corvallis, OR, USA
| | - Susan C Tilton
- Environmental and Molecular Toxicology Department, Oregon State University, Corvallis, OR, USA; Superfund Research Program, Oregon State University, Corvallis, OR, USA.
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18
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Vernon EL, Moore MN, Bean TP, Jha AN. Evaluation of interactive effects of phosphorus-32 and copper on marine and freshwater bivalve mollusks. Int J Radiat Biol 2020; 98:1106-1119. [PMID: 32970511 DOI: 10.1080/09553002.2020.1823032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE Contaminants seldom occur in isolation in the aquatic environment. While pollution of coastal and inland water bodies has received considerable attention to date, there is limited information on potential interactive effects between radionuclides and metals. Whether by accidental or controlled release, such contaminants co-exist in aquatic ecosystems and can pose an enhanced threat to biota. Using a range of biological responses, the study aimed to evaluate relative interactive effects on representative freshwater and marine bivalve species. METHODS An integrated, multi-biomarker approach was adopted to investigate response to copper (Cu, 18 μg L-1), a known environmentally relevant genotoxic metal and differing concentrations of phosphorus-32 (32P; 0.1 and 1 mGy d-1), alone and in combination in marine (Mytilus galloprovincialis) and freshwater (Dreissena polymorpha) mussels. Genetic and molecular biomarkers were determined post-exposure and included DNA damage (as measured by the comet assay), micronuclei (MN) formation, γ-H2AX foci induction and the expression of key stress-related genes (i.e. hsp70/90, sod, cat, gst). RESULTS Overall, using a tissue-specific (i.e. gill and digestive gland) approach, genotoxic response was reflective of exposures where Cu had a slight additive effect on 32P-induced damage across the species (but not all), cell types and dose rates. Multivariate analysis found significant correlations between comet and γ-H2AX assays, across both the tissues. Transcriptional expression of selected genes were generally unaltered in response to contaminant exposures, independent of species or tissues. CONCLUSIONS Our study is the first to explore the interactive effects of ionizing radiation (IR) and Cu on two bivalve species representing two ecological habitats. The complexity of IR-metal interactions demonstrate that extrapolation of findings obtained from single stressor studies into field conditions could be misrepresentative of real-world environments. In turn, environmental protective strategies deemed suitable in protecting biota from a single, isolated stressor may not be wholly adequate.
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Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK.,European Centre for Environment and Human Health (ECEHH), University of Exeter Medical School, Truro, UK.,Plymouth Marine Laboratory, Plymouth, UK
| | | | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
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19
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Gardon T, Huvet A, Paul-Pont I, Cassone AL, Sham Koua M, Soyez C, Jezequel R, Receveur J, Le Moullac G. Toxic effects of leachates from plastic pearl-farming gear on embryo-larval development in the pearl oyster Pinctada margaritifera. WATER RESEARCH 2020; 179:115890. [PMID: 32402865 DOI: 10.1016/j.watres.2020.115890] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/27/2020] [Accepted: 04/25/2020] [Indexed: 05/22/2023]
Abstract
Pearl-farming leads to significant plastic pollution in French Polynesia (FP) as the end of life of most farming gear is currently poorly managed. Plastic debris released into the aquatic environment accumulates, with potentially detrimental effects on the lagoon ecosystem and pearl oyster Pinctada margaritifera, a species of ecological, commercial and social value. Here, we tested the effects of leachates from new (N) and aged (A) plastic pearl-farming gear (spat collector and synthetic rope) obtained after 24 h and 120 h incubation, on the embryo-larval development of the pearl oyster using an in-vitro assay. Embryos were exposed for 24 h and 48 h to a negative control (0) and the leachate from 0.1, 1, 10 and 100 g of plastic. L-1. After 24 h exposure to leachate at 100 g.L-1, effects were observed on embryo development (-38% to -60% of formed larvae) and mortality (+72% to +82%). Chemical analyses of plastic gear indicated the presence of 26 compounds, consisting of organic contaminants (PAHs) and additives (mainly phthalates). Screening of leachates demonstrated that these compounds leach into the surrounding seawater with an additional detection of pesticides. Higher levels of phthalates were measured in leachates obtained from new (6.7-9.1 μg.L-1) than from aged (0.4-0.5 μg.L-1) plastics, which could be part of the explanation of the clear difference in toxicity observed after 48 h exposure at lower concentrations (0.1-10 g.L-1), associated with mortality ranging from 26 to 86% and 17-28%, respectively. Overall, this study suggests that plastic gear used in the pearl-farming industry releases significant amounts of hazardous chemicals over their lifetime, which may affect pearl oyster development that call for in-situ exploration.
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Affiliation(s)
- Tony Gardon
- Ifremer, Institut Louis-Malardé, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France.
| | - Arnaud Huvet
- Univ Brest, Ifremer, CNRS, IRD, LEMAR, F-29280, Plouzané, France.
| | - Ika Paul-Pont
- Univ Brest, Ifremer, CNRS, IRD, LEMAR, F-29280, Plouzané, France
| | | | - Manaarii Sham Koua
- Ifremer, Institut Louis-Malardé, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Claude Soyez
- Ifremer, Institut Louis-Malardé, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
| | - Ronan Jezequel
- CEDRE - 715 Rue Alain Colas, 29218, BREST Cedex 2, France
| | | | - Gilles Le Moullac
- Ifremer, Institut Louis-Malardé, IRD, Univ Polynésie française, EIO, F-98719 Taravao, Tahiti, Polynésie française, France
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Sforzini S, Banni M, Oliveri C, Moore MN, Viarengo A. New insights into the possible multiple roles of histidine-rich glycoprotein in blue mussels. Comp Biochem Physiol B Biochem Mol Biol 2020; 245:110440. [DOI: 10.1016/j.cbpb.2020.110440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/30/2020] [Accepted: 04/09/2020] [Indexed: 02/06/2023]
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Sforzini S, Oliveri C, Barranger A, Jha AN, Banni M, Moore MN, Viarengo A. Effects of fullerene C 60 in blue mussels: Role of mTOR in autophagy related cellular/tissue alterations. CHEMOSPHERE 2020; 246:125707. [PMID: 31891845 DOI: 10.1016/j.chemosphere.2019.125707] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 12/10/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
The effects of C60 on mTOR (mechanistic Target of Rapamycin) activity in mussel digestive gland were investigated. mTOR is a kinase that senses physiological and environmental signals to control eukaryotic cell growth. mTOR is present in two complexes: the phosphorylated mTORC1 regulates cell growth by activating anabolic processes, and by inhibiting catabolic processes (i.e. autophagy); mTORC2 also modulates actin cytoskeleton organization. Mussels were exposed to C60 (0.01, 0.1 and 1 mg/L) for 72 h. Immunocytochemical analysis using a specific antibody revealed the cellular distribution of C60 in mussel digestive gland, already at the lowest concentration. In exposed mussels, the dephosphorylation of mTORC1 and mTORC2 may explain the C60 effects, i.e. the reduction of lysosomal membrane stability, the enhancement of LC3B protein, and the increase of lysosomal/cytoplasmic volume ratio; as well the cytoskeletal alterations. No oxidative stress was observed. Multivariate analysis was used to facilitate the interpretation of the biomarker data. Finally, a low density oligo-microarray was used to understand the cellular responses to fullerene. Transcriptomics identified a number of differentially expressed genes (DEGs) showing a maximum in animals exposed to 0.1 mg/L C60. The most affected processes are associated with energy metabolism, lysosomal activity and cytoskeleton organization. In this study, we report the first data on the subcellular distribution of C60 in mussel's cells; and on the involvement of mTOR inhibition in the alterations due to nanoparticle accumulation. Overall, mTOR deregulation, by affecting protein synthesis, energy metabolism and autophagy, may reduce the capacity of the organisms to effectively grow and reproduce.
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Affiliation(s)
- Susanna Sforzini
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121, Alessandria, Italy
| | - Caterina Oliveri
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121, Alessandria, Italy
| | - Audrey Barranger
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia
| | - Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK; European Centre for Environment & Human Health (ECEHH), University of Exeter Medical School, Truro, TR1 3HD, UK; Plymouth Marine Laboratory, Plymouth, PL1 3DH, UK
| | - Aldo Viarengo
- Institute for the study of Anthropic impacts and Sustainability in marine environment, National research Council (CNR-IAS), Via de Marini 6, 16149, Genova, Italy.
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22
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Mlouka R, Cachot J, Sforzini S, Oliveri C, Boukadida K, Clerandeau C, Pacchioni B, Millino C, Viarengo A, Banni M. Molecular mechanisms underlying the effects of temperature increase on Mytilus sp. and their hybrids at early larval stages. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 708:135200. [PMID: 31806331 DOI: 10.1016/j.scitotenv.2019.135200] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/21/2019] [Accepted: 10/24/2019] [Indexed: 06/10/2023]
Abstract
The present work aims to investigate the effects of water temperature increase on Mytilus galloprovincilis and Mytilus edulis pure larvae (PG, PE) and their hybrids (HFG, HFE). D-larvae were maintained at 18 °C or exposed to a higher temperature of 22 °C for 48 h. Initially, Embryotoxicity test was evaluated. Second, a transcriptomic analysis using a recently developed microarray platform was applied to determine the main biological processes involved in early life stages responses to temperature increase. Finally, an immunofluorescence investigation was performed to bridge the gap between transcriptomic regulation and the real changes at cellular/tissue levels. Embryotoxicity test revealed a higher sensitivity of M. edulis (PE) D-larvae as well as hybrids from females M. edulis (HFE) to temperature increase, with the highest rate of larval malformations. Transcriptomic results indicated a lack of an adequate heat shock protein (Hsp) response in PE and HFE larvae (the high expression was observed in PG larvae); the differential expression of gene involved in translation, energy metabolism and oxidative stress response may contribute to explain the observed complex alterations in the studied conditions. As revealed by immunohistochemistry, cytoskeleton proteins changes associated with a drastic decrease of Histidine-Rich Glycoprotein (HRG) may elucidate the larval abnormalities in shell development observed for PE and HFE larvae. Overall, the results indicate that each type of pure larva (PG and PE) and their respective female hybrid (HFG and HFE) react similarly to the temperature increase. Our data should be carefully considered in view of the water temperature increase in marine ecosystems and especially for the mussel's species in confluence zones.
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Affiliation(s)
- Rania Mlouka
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France; Laboratory of Biochemistry and Environmental , ISA, Chott-Mariem, 4042 Sousse, Tunisia; Higher Institute of Biotechnology of Monastir.5000, Monastir University, Tunisia
| | - Jérôme Cachot
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France
| | - Susanna Sforzini
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Mario Negri 2, 20156 Milano, Italy
| | - Caterina Oliveri
- Dipartimento di Scienze della terra, dell'ambiente e della vita (DISTAV), Università degli Studi di Genova,Via Balbi 5, 16126 Genova, Italy
| | - Khouloud Boukadida
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France; Laboratory of Biochemistry and Environmental , ISA, Chott-Mariem, 4042 Sousse, Tunisia
| | - Christelle Clerandeau
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France
| | | | - Caterina Millino
- CRIBI Biotechnology Center, University of Padova, 35131 Padova, Italy
| | - Aldo Viarengo
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Environmental Chemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Mario Negri 2, 20156 Milano, Italy
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental , ISA, Chott-Mariem, 4042 Sousse, Tunisia; Higher Institute of Biotechnology of Monastir.5000, Monastir University, Tunisia.
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Vernon EL, Bean TP, Jha AN. Assessing relative biomarker responses in marine and freshwater bivalve molluscs following exposure to phosphorus 32 ( 32P): Application of genotoxicological and molecular biomarkers. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2020; 213:106120. [PMID: 31783294 DOI: 10.1016/j.jenvrad.2019.106120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/12/2019] [Accepted: 11/19/2019] [Indexed: 06/10/2023]
Abstract
Anthropogenic radionuclides can enter water bodies through accidental or controlled discharges. In order to assess their potential impact, understanding the link between exposure, tissue specific bioaccumulation and radiation dose rate, to biological or biomarker responses in aquatic biota is required. Adopting an integrated, multi-biomarker, multi-species approach, we have investigated potential biological responses induced by short-lived radionuclide, phosphorus-32 (32P, radiophosphorus) in two ecologically important mussel species, the freshwater Dreissena polymorpha (DP) and marine Mytilus galloprovincialis (MG). Adult individuals were exposed to 32P for 10 days, to acquire nominal whole-body average dose rates of 0.10, 1 and 10 mGy d-1, which encompass a screening value of 10 μGy h-1 (0.24 mGy d-1), in accordance with the ERICA tool. Following exposure, a suite of genotoxic biomarkers (DNA damage, γ-H2AX induction and micronucleus [MN] formation) were measured in gill and digestive gland tissues, along with transcriptional expression of selected stress-related genes in both the species (i.e. hsp70/90, sod, cat and gst). Our results demonstrate the relationship between tissue specific dosimetry, where 32P induced a dose-dependent increase, and biological responses independent of species. Gene expression analysis revealed little significant variation across species or tissues. Overall, MG appeared to be more sensitive to short-term damage (i.e. high DNA damage and γ-H2AX induction), particularly in digestive gland. This study contributes to limited knowledge on the transfer and biological impact of radionuclides within differing aquatic systems on a tissue specific level, aiding the development of adequate management and protective strategies.
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Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Tim P Bean
- Cefas Weymouth Laboratory, Barrack Road, The Nothe, Weymouth, Dorset, DT4 8UB, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK.
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Salem Al-Howiti N, Ouanes Ben Othmen Z, Ben Othmane A, Hamza Chaffai A. Use of Tridacna maxima, a bivalve in the biomonitoring of the Saudi Arabian Red Sea coast. MARINE POLLUTION BULLETIN 2020; 150:110766. [PMID: 31910521 DOI: 10.1016/j.marpolbul.2019.110766] [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: 05/13/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
The present study is an attempt to assess the effects of contamination of several sites in the Red Sea coasts of Saudi Arabia using bivalves as a biomonitoring tool. Oxidative stress biomarkers (including reduced glutathione level (GSH), glutathione-S-transferase activity (GST), Malondialdehyde level (MDA) and Catalase activity (CAT)), neurotoxicity acetylcholinesterase activity (ACHE), and genotoxicity micronucleus rate (MN) were measured in three distinct tissues - digestive glands, gills and mantle - of specimens of the giant clam Tridacna maxima, collected from five sites in Saudi Arabian Red Sea coast (Al-Khuraybah, Al-Wajh, Yanbu, Rabigh and Thuwal). Our results demonstrated that T. maxima showed differential biomarker responses according to the nature of pollutants and human activity that affect the coast. This study can be considered as the first one using biomarkers to assess the state of the Red Sea coast in Saudi Arabia which must be followed by periodic studies for surveillance of aquatic pollution.
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Affiliation(s)
- Norah Salem Al-Howiti
- Department of Biology, College of Sciences, Taibah University, Al Madinah Al Munawarah, Saudi Arabia
| | - Zouhour Ouanes Ben Othmen
- Department of Biology, College of Sciences, Taibah University, Al Madinah Al Munawarah, Saudi Arabia; Environmental and Marine Unit Research, UR 09-03, IPEIS Sfax University, Tunisia.
| | - Abdelwaheb Ben Othmane
- Department of Biology, College of Sciences, Taibah University, Al Madinah Al Munawarah, Saudi Arabia
| | - Amel Hamza Chaffai
- Environmental and Marine Unit Research, UR 09-03, IPEIS Sfax University, Tunisia
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25
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Interactions of oxidative DNA damage and CYP1A gene expression with the liver enzymes in Klunzinger's mullet exposed to benzo[ a]pyrene. Toxicol Rep 2019; 6:1097-1103. [PMID: 31720230 PMCID: PMC6839019 DOI: 10.1016/j.toxrep.2019.10.013] [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: 08/08/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/30/2022] Open
Abstract
Benzo[a]pyrene (B[a]P) is an important contaminant whose liver biotransformation is dependent on the species, the route of exposure and the concentration. The goal of this study was to assess the interactions of oxidative DNA damage and CYP1A gene expression with the liver enzymes in Klunzinger’s mullet (Liza klunzingeri) exposed to benzo[a]pyrene. Sublethal doses of B[a]P (5, 10 and 50 mg/kg) were intraperitoneally administered to the fish for 14 days. The alterations in antioxidant enzymes’ activity (SOD, CAT, and GPX), hepatic enzymes’ activity (ALT, AST and ALP), DNA damage (measured by comet assay and cellProfiler software) and CYP1A gene expression in the fish liver were studied on the 1st, 3rd, 7th and 14th days. The determination of these parameters in the liver showed that most of these parameters significantly increased mostly in a time-dependent manner. Multiple regression analysis showed that DNA damage and CYP1A gene expression had positive correlations with the liver enzymes in this fish species intraperitoneally exposed to these concentrations. Moreover, these interactions indicated that theses parameters are sensitive biomarkers for the exposure to B[a]P in Klunzinger's mullet. However, other possible factors and B[a]P metabolites should be considered in future studies for better elucidating the biotransformation mechanisms and introducing better biomarkers of B[a]P.
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26
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Counihan KL, Bowen L, Ballachey B, Coletti H, Hollmen T, Pister B, Wilson TL. Physiological and gene transcription assays to assess responses of mussels to environmental changes. PeerJ 2019; 7:e7800. [PMID: 31592166 PMCID: PMC6779115 DOI: 10.7717/peerj.7800] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 08/31/2019] [Indexed: 01/05/2023] Open
Abstract
Coastal regions worldwide face increasing management concerns due to natural and anthropogenic forces that have the potential to significantly degrade nearshore marine resources. The goal of our study was to develop and test a monitoring strategy for nearshore marine ecosystems in remote areas that are not readily accessible for sampling. Mussel species have been used extensively to assess ecosystem vulnerability to multiple, interacting stressors. We sampled bay mussels (Mytilus trossulus) in 2015 and 2016 from six intertidal sites in Lake Clark and Katmai National Parks and Preserves, in south-central Alaska. Reference ranges for physiological assays and gene transcription were determined for use in future assessment efforts. Both techniques identified differences among sites, suggesting influences of both large-scale and local environmental factors and underscoring the value of this combined approach to ecosystem health monitoring.
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Affiliation(s)
| | - Lizabeth Bowen
- US Geological Survey, Western Ecological Research Center, Davis, CA, United States of America
| | - Brenda Ballachey
- US Geological Survey, Alaska Science Center, Anchorage, AK, United States of America
| | - Heather Coletti
- Inventory and Monitoring Program, Southwest Alaska Network, National Park Service, Anchorage, AK, United States of America
| | - Tuula Hollmen
- College of Fisheries and Ocean Sciences, University of Alaska-Fairbanks and Alaska SeaLife Center, Seward, AK, United States of America
| | - Benjamin Pister
- Ocean Alaska Science and Learning Center, National Park Service, Anchorage, AK, United States of America
| | - Tammy L Wilson
- Inventory and Monitoring Program, Southwest Alaska Network, National Park Service, Anchorage, AK, United States of America.,Department of Natural Resource Management, South Dakota State University, Brookings, SD, United States of America
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27
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Mlouka R, Cachot J, Boukadida K, Clérandeau C, Gourves PY, Banni M. Compared responses to copper and increased temperatures of hybrid and pure offspring of two mussel species. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 685:795-805. [PMID: 31238283 DOI: 10.1016/j.scitotenv.2019.05.466] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 05/29/2019] [Accepted: 05/30/2019] [Indexed: 06/09/2023]
Abstract
This study investigates the combined effects of increased temperatures and copper on the early live stages of the Mediterranean mussel Mytilus galloprovincialis and the blue mussel Mytilus edulis as well as their hybrids. For this purpose, developmental abnormalities was measured after 48 h of exposure as well as a battery of oxidative stress markers such as, antioxidant enzyme activities, lipid peroxidation measured as malondialdehyde accumulation (MDA) and metallothionein contents (MT) and related gene expression pattern. Embryotoxicity and metal accumulation in tissues of mussel larvae exposed to a sublethal concentration of copper (10 μg/L) along with a slight temperature increase from 18 °C to22 °C were significantly increased after 48 h of exposure. Co-exposure to Cu and elevated temperatures significantly increased the antioxidant enzyme activities termed as, glutathione-S-transferase (GST), catalase (CAT), superoxide dismutase (SOD) and being maintained at 22 °C only in pure M. galloprovincialis (PG) larvae and female galloprovincialis x male edulis hybrid larvae (HFG). A significant decrease in mRNA abundance of cat, sod, gst gene transcription levels was showed in the same species. Furthermore, metallothionein accumulation increased significantly in PG D-larvae exposed to copper at 22 °C. The same pattern was observed in term of gene expression of MTs cognates (mt-10 and mt-20). Significant increase of MDA levels in pure M. edulis (PE) larvae and their female M. edulis x male M. galloprovincialis hybrid larvae (HFE) combined with a low MTs content were observed. Overall, this study provides clues about the relatively higher resistance and resilience of M. galloprovincialis species compared to M. edulis species under environmental pollution and future climate change scenarios.
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Affiliation(s)
- Rania Mlouka
- University of Bordeaux, Laboratory EPOC, UMR 5805, allée Geoffoy Saint-Hilaire, 33600 Pessac, France; Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, 4042 Sousse, Tunisia
| | - Jérôme Cachot
- University of Bordeaux, Laboratory EPOC, UMR 5805, allée Geoffoy Saint-Hilaire, 33600 Pessac, France
| | - Khouloud Boukadida
- University of Bordeaux, Laboratory EPOC, UMR 5805, allée Geoffoy Saint-Hilaire, 33600 Pessac, France; Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, 4042 Sousse, Tunisia
| | - Christelle Clérandeau
- University of Bordeaux, Laboratory EPOC, UMR 5805, allée Geoffoy Saint-Hilaire, 33600 Pessac, France
| | - Pierre-Yves Gourves
- University of Bordeaux, Laboratory EPOC, UMR 5805, allée Geoffoy Saint-Hilaire, 33600 Pessac, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, 4042 Sousse, Tunisia.
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28
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González-Soto N, Hatfield J, Katsumiti A, Duroudier N, Lacave JM, Bilbao E, Orbea A, Navarro E, Cajaraville MP. Impacts of dietary exposure to different sized polystyrene microplastics alone and with sorbed benzo[a]pyrene on biomarkers and whole organism responses in mussels Mytilus galloprovincialis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 684:548-566. [PMID: 31154227 DOI: 10.1016/j.scitotenv.2019.05.161] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 04/26/2019] [Accepted: 05/12/2019] [Indexed: 06/09/2023]
Abstract
Due to their hydrophobicity and relatively large surface area, microplastics (MPs) can act as carriers of hydrophobic pollutants in the ocean and may facilitate their transfer to organisms. This study examined effects of dietary exposure to polystyrene MPs of 0.5 and 4.5 μm alone and with sorbed benzo[a]pyrene (BaP) on mussels Mytilus galloprovincialis in order to elucidate the effects of MP size and the presence of sorbed BaP on the organism. MPs were provided daily, mixed with algae, during 26 days at equivalent mass (0.058 mg/L), corresponding to 1000 particles/mL for 4.5 μm MPs and to 7.44 × 105 particles/mL for 0.5 μm MPs. Effects were determined on early cellular biomarkers in hemocytes, structure and cell type composition of digestive tubules (DTs), histopathology and whole organism responses (condition index (CI), clearance rate (CR), food absorption efficiency (AE), respiration rate (RR) and scope for growth (SFG)). BaP concentrations in mussels increased with time, in particular when sorbed to smaller MPs. Large MPs were abundant in the lumen of stomach and DTs, but were also occasionally found within epithelial cells. Effects in all treatments increased with exposure time. MPs with sorbed BaP were more toxic than MPs alone according to hemocyte viability and catalase activity and to the quantitative structure of DT epithelium. Higher toxicity of small MPs compared to larger ones was recorded for DNA damage and cell composition of DTs. At tissue level a slight increase in prevalence of inflammatory responses occurred in all exposed groups. At whole organism level a compensatory effect was observed on absorption efficiency across MP treatments at day 26, resulting in increased SFG in mussels exposed to small MPs with sorbed BaP. This could be related to an increased energy need to deal with stress observed in biomarkers. Further work is required to understand the Trojan horse effect of a variety of plastic type, size, shape combinations together with a wide variety of pollutants.
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Affiliation(s)
- Nagore González-Soto
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Joseph Hatfield
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Alberto Katsumiti
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Nerea Duroudier
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - José María Lacave
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Eider Bilbao
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Amaia Orbea
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Enrique Navarro
- Animal Physiology Research Group, Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Miren P Cajaraville
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology and Plentzia Marine Station, University of the Basque Country (UPV/EHU), Basque Country, Spain.
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29
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Barranger A, Rance GA, Aminot Y, Dallas LJ, Sforzini S, Weston NJ, Lodge RW, Banni M, Arlt VM, Moore MN, Readman JW, Viarengo A, Khlobystov AN, Jha AN. An integrated approach to determine interactive genotoxic and global gene expression effects of multiwalled carbon nanotubes (MWCNTs) and benzo[a]pyrene (BaP) on marine mussels: evidence of reverse ‘Trojan Horse’ effects. Nanotoxicology 2019; 13:1324-1343. [DOI: 10.1080/17435390.2019.1654003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Audrey Barranger
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Graham A. Rance
- School of Chemistry, University of Nottingham, University Park, Nottingham, UK
- Nanoscale and Microscale Research Centre, University of Nottingham, Nottingham, UK
| | - Yann Aminot
- Centre for Chemical Sciences, University of Plymouth, Plymouth, UK
| | - Lorna J. Dallas
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Susanna Sforzini
- Ecotoxicology and Environmental Safety Unit, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Nicola J. Weston
- Nanoscale and Microscale Research Centre, University of Nottingham, Nottingham, UK
| | - Rhys W. Lodge
- School of Chemistry, University of Nottingham, University Park, Nottingham, UK
- Nanoscale and Microscale Research Centre, University of Nottingham, Nottingham, UK
| | - Mohamed Banni
- Ecotoxicology and Environmental Safety Unit, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
- Laboratory of Biochemistry and Environmental Toxicology, ISA chottMariem, Sousse University, Sousse, Tunisia
| | - Volker M. Arlt
- Department of Analytical, Environmental and Forensic Sciences, King’s College London, MRC-PHE Centre for Environmental & Health, London, UK
- NIHR Health Protection Research Unit in Health Impact of Environmental Hazards, King’s College London in Partnership with Public Health England and Imperial College London, London, UK
| | - Michael N. Moore
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
- Plymouth Marine Laboratory, Plymouth, UK
- European Centre for Environment & Human Health (ECEHH), University of Exeter Medical School, Royal Cornwall Hospital, Truro, UK
| | - James W. Readman
- Centre for Chemical Sciences, University of Plymouth, Plymouth, UK
- Plymouth Marine Laboratory, Plymouth, UK
| | - Aldo Viarengo
- Ecotoxicology and Environmental Safety Unit, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Andrei N. Khlobystov
- School of Chemistry, University of Nottingham, University Park, Nottingham, UK
- Nanoscale and Microscale Research Centre, University of Nottingham, Nottingham, UK
| | - Awadhesh N. Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
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Duroudier N, Markaide P, Cajaraville MP, Bilbao E. Season influences the transcriptomic effects of dietary exposure to PVP/PEI coated Ag nanoparticles on mussels Mytilus galloprovincialis. Comp Biochem Physiol C Toxicol Pharmacol 2019; 222:19-30. [PMID: 30940556 DOI: 10.1016/j.cbpc.2019.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/25/2019] [Accepted: 03/27/2019] [Indexed: 12/17/2022]
Abstract
Toxicity of AgNPs has been widely studied in waterborne exposed aquatic organisms. However, toxic effects caused by AgNPs ingested through the diet and depending on the season are still unexplored. The first cell response after exposure to xenobiotics occurs at gene transcription level. Thus, the aim of this study was to assess transcription level effects in the digestive gland of female mussels after dietary exposure to AgNPs both in autumn and in spring. Mussels were fed daily for 21 days with Isochrysis galbana microalgae previously exposed for 24 h to a dose close to environmentally relevant concentrations of 1 μg Ag/L PVP/PEI coated 5 nm AgNPs (in spring) and to a higher dose of 10 μg Ag/L of the same AgNPs both in autumn and in spring. After 1 and 21 days, mussels RNA was hybridized in a custom microarray containing 7806 annotated genes. Mussels were more responsive to the high dose compared to the low dose of AgNPs and a higher number of probes were altered in autumn than in spring. In both seasons, significantly regulated genes were involved in the cytoskeleton and lipid transport and metabolism COG categories, among others, while genes involved in carbohydrate transport and metabolism were specifically altered in autumn. Overall, transcription patterns were differently altered depending on the exposure time and season, indicating that season should be considered in ecotoxicological studies of metal nanoparticles in mussels.
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Affiliation(s)
- Nerea Duroudier
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Pablo Markaide
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country (UPV/EHU), Basque Country, Spain
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country (UPV/EHU), Basque Country, Spain.
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31
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Barranger A, Langan LM, Sharma V, Rance GA, Aminot Y, Weston NJ, Akcha F, Moore MN, Arlt VM, Khlobystov AN, Readman JW, Jha AN. Antagonistic Interactions between Benzo[a]pyrene and Fullerene (C 60) in Toxicological Response of Marine Mussels. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E987. [PMID: 31288459 PMCID: PMC6669530 DOI: 10.3390/nano9070987] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/25/2019] [Accepted: 06/28/2019] [Indexed: 12/12/2022]
Abstract
This study aimed to assess the ecotoxicological effects of the interaction of fullerene (C60) and benzo[a]pyrene (B[a]P) on the marine mussel, Mytilus galloprovincialis. The uptake of nC60, B[a]P and mixtures of nC60 and B[a]P into tissues was confirmed by Gas Chromatography-Mass Spectrometry (GC-MS), Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS) and Inductively Coupled Plasma Mass Spectrometer (ICP-MS). Biomarkers of DNA damage as well as proteomics analysis were applied to unravel the interactive effect of B[a]P and C60. Antagonistic responses were observed at the genotoxic and proteomic level. Differentially expressed proteins (DEPs) were only identified in the B[a]P single exposure and the B[a]P mixture exposure groups containing 1 mg/L of C60, the majority of which were downregulated (~52%). No DEPs were identified at any of the concentrations of nC60 (p < 0.05, 1% FDR). Using DEPs identified at a threshold of (p < 0.05; B[a]P and B[a]P mixture with nC60), gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) pathway analysis indicated that these proteins were enriched with a broad spectrum of biological processes and pathways, including those broadly associated with protein processing, cellular processes and environmental information processing. Among those significantly enriched pathways, the ribosome was consistently the top enriched term irrespective of treatment or concentration and plays an important role as the site of biological protein synthesis and translation. Our results demonstrate the complex multi-modal response to environmental stressors in M. galloprovincialis.
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Affiliation(s)
- Audrey Barranger
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Laura M Langan
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Vikram Sharma
- School of Biomedical Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Graham A Rance
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK
- Nanoscale and Microscale Research Centre, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Yann Aminot
- Centre for Chemical Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Nicola J Weston
- Nanoscale and Microscale Research Centre, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Farida Akcha
- Ifremer, Laboratory of Ecotoxicology, F-44311, CEDEX 03 Nantes, France
| | - Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth PL1 3HD, UK
- European Centre for Environment & Human Health (ECEHH), University of Exeter Medical School, Knowledge Spa, Royal Cornwall Hospital, Cornwall TR1 3LJ, UK
| | - Volker M Arlt
- Department of Analytical, Environmental and Forensic Sciences, King's College London, MRC-PHE Centre for Environmental & Health, London SE1 9NH, UK
- NIHR Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London in partnership with Public Health England and Imperial College London, London SE1 9NH, UK
| | - Andrei N Khlobystov
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, UK
- Nanoscale and Microscale Research Centre, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - James W Readman
- Centre for Chemical Sciences, University of Plymouth, Plymouth PL4 8AA, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK.
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32
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Figueras A, Moreira R, Sendra M, Novoa B. Genomics and immunity of the Mediterranean mussel Mytilus galloprovincialis in a changing environment. FISH & SHELLFISH IMMUNOLOGY 2019; 90:440-445. [PMID: 31048040 DOI: 10.1016/j.fsi.2019.04.064] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The Mediterranean mussel (Mytilus galloprovincialis) is a marine invasive species cultured all over the world. Mussels are an appreciated resource in local aquaculture enterprises because of their robust production and resilience that translates into a reliable economic value. So far, no massive mortalities have been reported in natural or cultured populations of this species. In the last years, the knowledge about its immune system has greatly improved but there are still many questions to be answered. One of them is why mussels, with their high filtering activity, are able to be exposed to a high number of potential pathogens without getting infected and without developing an elevated inflammatory response. The sequencing of the mussel genome has revealed a very complex organization with high heterozygosity, abundance of repetitive sequences and extreme intraspecific sequence diversity among individuals, mainly in immune related genes. Among those genes, antimicrobial peptides are the most expressed gene families in mussels, highly polymorphic and with antimicrobial effect against molluscs pathogens, but also against pathogens of lower vertebrates and humans. The combination of a complex genome with the adaptation of mussel immune system to a changing environment could explain this high variability, not only in immune-related genes, but also in the functional response among individuals sampled in the same location and date.
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Affiliation(s)
- Antonio Figueras
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208, Vigo, Spain.
| | - Rebeca Moreira
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208, Vigo, Spain
| | - Marta Sendra
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208, Vigo, Spain
| | - Beatriz Novoa
- Institute of Marine Research (IIM), National Research Council (CSIC), Eduardo Cabello 6, 36208, Vigo, Spain
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33
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Bolognesi C, Cirillo S, Chipman JK. Comet assay in ecogenotoxicology: Applications in Mytilus sp. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 842:50-59. [PMID: 31255226 DOI: 10.1016/j.mrgentox.2019.05.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/04/2019] [Accepted: 05/07/2019] [Indexed: 10/26/2022]
Abstract
The comet assay is a sensitive technique to detect DNA damage caused by exposure to genotoxic chemical and physical agents and is widely used in ecotoxicology. The assay has been applied in aquatic species, mainly fish and bivalves, in field biomonitoring programs and in experimental studies. The aim of the present study was to retrieve and review the published evidence to define the role of the comet assay in the assessment of genotoxic pollutants. The study focused on the application of the test in Mytilus sp, used as a sentinel organism. Twenty-one biomonitoring studies, carried out in wild and in transplanted mussels, were evaluated. An increase of the comet parameters in animals from polluted areas with respect to the controls was observed in the majority of the studies with a large variability (frequency ratio:1.2-14.5) associated with types and extent of exposure to pollutants. Three studies out of 21 reported a lack of response. Heavy metals, polycyclic aromatic hydrocarbons (PAH), polychlorinated biphenyls (PCB) and pesticides were the main types of chemicals detected in sediments and/or mussel tissues from polluted areas. Twenty-nine laboratory studies were retrieved showing the sensitivity of the comet assay in detecting DNA damage in mussels exposed to the most relevant pollutants and mixtures of relevant contaminants, such as pharmaceuticals, anti-fouling agents or crude oil. The comet test also appeared to be a suitable approach to detect the genotoxic effects of nanoparticles. In some studies problems in the interpretation of data or discrepancies between the results from different laboratories were noted. Critical steps in experimental protocol and characterization of pollution, environmental variables such as temperature, salinity, food availability, physiological and pathological status of the animals are important factors which should be controlled and considered in the analysis of the results.
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Affiliation(s)
- Claudia Bolognesi
- Environmental Carcinogenesis Unit, Ospedale Policlinico San Martino, Genoa, Italy.
| | - Silvia Cirillo
- School of Cellular and Molecular Medicine, University of Bristol, UK
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34
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Duroudier N, Cardoso C, Mehennaoui K, Mikolaczyk M, Schäfer J, Gutleb AC, Giamberini L, Bebianno MJ, Bilbao E, Cajaraville MP. Changes in protein expression in mussels Mytilus galloprovincialis dietarily exposed to PVP/PEI coated silver nanoparticles at different seasons. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 210:56-68. [PMID: 30825730 DOI: 10.1016/j.aquatox.2019.02.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 02/15/2019] [Accepted: 02/15/2019] [Indexed: 06/09/2023]
Abstract
Potential toxic effects of Ag NPs ingested through the food web and depending on the season have not been addressed in marine bivalves. This work aimed to assess differences in protein expression in the digestive gland of female mussels after dietary exposure to Ag NPs in autumn and spring. Mussels were fed daily with microalgae previously exposed for 24 h to 10 μg/L of PVP/PEI coated 5 nm Ag NPs. After 21 days, mussels significantly accumulated Ag in both seasons and Ag NPs were found within digestive gland cells and gills. Two-dimensional electrophoresis distinguished 104 differentially expressed protein spots in autumn and 142 in spring. Among them, chitinase like protein-3, partial and glyceraldehyde-3-phosphate dehydrogenase, that are involved in amino sugar and nucleotide sugar metabolism, carbon metabolism, glycolysis/gluconeogenesis and the biosynthesis of amino acids KEGG pathways, were overexpressed in autumn but underexpressed in spring. In autumn, pyruvate metabolism, citrate cycle, cysteine and methionine metabolism and glyoxylate and dicarboxylate metabolism were altered, while in spring, proteins related to the formation of phagosomes and hydrogen peroxide metabolism were differentially expressed. Overall, protein expression signatures depended on season and Ag NPs exposure, suggesting that season significantly influences responses of mussels to NP exposure.
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Affiliation(s)
- Nerea Duroudier
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Câtia Cardoso
- CIMA, Marine and Environmental Research Center, University of Algarve, Campus de Gambelas, 8000-135 Faro, Portugal
| | - Kahina Mehennaoui
- Environmental Research and Innovation (ERIN) Department, Luxembourg Insitute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg; Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), UMR 7360 CNRS, F-57070, Metz, France
| | - Mathilde Mikolaczyk
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Jörg Schäfer
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Arno C Gutleb
- Environmental Research and Innovation (ERIN) Department, Luxembourg Insitute of Science and Technology (LIST), L-4422 Belvaux, Luxembourg
| | - Laure Giamberini
- Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), UMR 7360 CNRS, F-57070, Metz, France
| | - Maria J Bebianno
- CIMA, Marine and Environmental Research Center, University of Algarve, Campus de Gambelas, 8000-135 Faro, Portugal
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology PiE, University of the Basque Country UPV/EHU, Basque Country, Spain.
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35
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Bussolaro D, Wright SL, Schnell S, Schirmer K, Bury NR, Arlt VM. Co-exposure to polystyrene plastic beads and polycyclic aromatic hydrocarbon contaminants in fish gill (RTgill-W1) and intestinal (RTgutGC) epithelial cells derived from rainbow trout (Oncorhynchus mykiss). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 248:706-714. [PMID: 30849588 PMCID: PMC6794159 DOI: 10.1016/j.envpol.2019.02.066] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 02/20/2019] [Accepted: 02/20/2019] [Indexed: 05/02/2023]
Abstract
Microscopic plastic (MP) particles are a ubiquitous contaminant in aquatic environments, which may bind hydrophobic chemicals, such as polycyclic aromatic hydrocarbons (PAHs), altering their environmental fate and interactions with biota. Using rainbow trout gill (RTgill-W1) and intestinal (RTgutGC) epithelial cells we investigated the effects of polystyrene microbeads (PS-MBs; 220 nm) on the cyto- and genotoxicity of the environmental pollutants benzo[a]pyrene (BaP) and 3-nitrobenzanthrone (3-NBA) over 48 h (0, 0.1, 1 and 10 μM). The Alamar Blue bioassay, used to assess cytotoxicity, showed that both pollutants significantly decreased cell viability by 10-20% at 10 μM in both cell lines after 48 h whereas PS-MBs (5 or 50 μg mL-1) were non-toxic. Cytotoxicity in cells treated with PS-MBs together with BaP or 3-NBA were similar to those observed after exposure to BaP or 3-NBA alone. Using the formamidopyrimidine-DNA glycosylase (FPG)-modified comet assay 3-NBA, but not BaP, induced DNA damage in RTgutGC cells at 10 μM (∼10% tail DNA in the absence and ∼15% tail DNA in the presence of FPG versus ∼1% in controls), whereas PS-MBs alone showed no detrimental effects. Interestingly, comet formation was substantially increased (∼4-fold) when RTgutGC cells were exposed to PS-MBs (50 μg mL-1) and 10 μM 3-NBA compared to cells treated with 3-NBA alone. Further, using 32P-postlabelling we observed strong DNA adduct formation in 3-NBA-exposed RTgutGC cells (∼900 adducts/108 nucleotides). 3-NBA-derived DNA adduct formation was significantly decreased (∼20%) when RTgutGC cells were exposed to MB and 3-NBA compared to cells treated with 3-NBA alone. Our results show that PS-MBs impact on the genotoxicity of 3-NBA, causing a significant increase in DNA damage as measured by the comet assay in the intestinal cell line, providing proof of principle that MPs may alter the genotoxic potential of PAHs in fish cells.
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Affiliation(s)
- Daniel Bussolaro
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment and Health, King's College London, Franklin-Wilkins Building, London, SE1 9NH, United Kingdom; Federal Institute of Education, Science and Technology of Paraná, Curitiba Campus, CEP: 80.230 - 150., Curitiba, PR, Brazil
| | - Stephanie L Wright
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment and Health, King's College London, Franklin-Wilkins Building, London, SE1 9NH, United Kingdom
| | - Sabine Schnell
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment and Health, King's College London, Franklin-Wilkins Building, London, SE1 9NH, United Kingdom
| | - Kristin Schirmer
- Department of Environmental Toxicology, Swiss Federal Institute of Aquatic Science and Technology (Eawag), Überlandstrasse 133, 8600, Dübendorf, Switzerland
| | - Nicolas R Bury
- School of Science, Technology and Engineering, University of Suffolk, James Hehir Building, Neptune Quay, Ipswich, IP4 1QJ, Suffolk, United Kingdom.
| | - Volker M Arlt
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment and Health, King's College London, Franklin-Wilkins Building, London, SE1 9NH, United Kingdom; NIHR Health Protection Research Unit in Health Impact of Environmental Hazards, King's College London in partnership with Public Health England and Imperial College London, Franklin-Wilkins Building, London, SE1 9NH, United Kingdom
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36
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Gajski G, Žegura B, Ladeira C, Pourrut B, Del Bo’ C, Novak M, Sramkova M, Milić M, Gutzkow KB, Costa S, Dusinska M, Brunborg G, Collins A. The comet assay in animal models: From bugs to whales – (Part 1 Invertebrates). MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2019; 779:82-113. [DOI: 10.1016/j.mrrev.2019.02.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 02/07/2019] [Accepted: 02/09/2019] [Indexed: 01/09/2023]
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37
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Burgos-Aceves MA, Cohen A, Paolella G, Lepretti M, Smith Y, Faggio C, Lionetti L. Modulation of mitochondrial functions by xenobiotic-induced microRNA: From environmental sentinel organisms to mammals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 645:79-88. [PMID: 30015121 DOI: 10.1016/j.scitotenv.2018.07.109] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/09/2018] [Accepted: 07/09/2018] [Indexed: 06/08/2023]
Abstract
Mitochondria play a crucial role in energetic metabolism, signaling pathways, and overall cell viability. They are in the first line in facing cellular energy requirements in stress conditions, such as in response to xenobiotic exposure. Recently, a novel regulatory key role of microRNAs (miRNAs) in important signaling pathways in mitochondria has been proposed. Consequently, alteration in miRNAs expression by xenobiotics could outcome into mitochondrial dysfunction, reactive oxygen species overexpression, and liberation of apoptosis or necrosis activating proteins. The aim of this review is to show the highlights about mitochondria-associated miRNAs in cellular processes exposed to xenobiotic stress in different cell types involved in detoxification processes or sensitive to environmental hazards in marine sentinel organisms and mammals.
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Affiliation(s)
- Mario Alberto Burgos-Aceves
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Amit Cohen
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Gaetana Paolella
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Marilena Lepretti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Yoav Smith
- Genomic Data Analysis Unit, The Hebrew University of Jerusalem-Hadassah Medical School, P.O. Box 12272, Jerusalem 91120, Israel
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical, and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres, 31, 98166 Messina, Italy.
| | - Lillà Lionetti
- Department of Chemistry and Biology, University of Salerno, via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
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38
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Vernon EL, Smith JT, Jha AN. Relative comparison of tissue specific bioaccumulation and radiation dose estimation in marine and freshwater bivalve molluscs following exposure to phosphorus-32. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2018; 192:312-320. [PMID: 30015316 DOI: 10.1016/j.jenvrad.2018.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/02/2018] [Accepted: 07/06/2018] [Indexed: 06/08/2023]
Abstract
With respect to environmental protection, understanding radionuclide bioconcentration is necessary to relate exposure to radiation dose and hence to biological responses. Few studies are available on tissue specific accumulation of short-lived radionuclides in aquatic invertebrates. Short-lived radionuclides such as 32Phosphorus (32P), although occurring in small quantities in the environment, are capable of concentrating in the biota, especially if they are chronically exposed. In this study, we firstly compared tissue specific bioaccumulation and release (depuration) of 32P in adult marine (Mytilus galloprovincialis, MG) and freshwater bivalve molluscs (Dreissena polymorpha, DP). Secondly, using the Environmental Risk from Ionising Contaminants Assessment and Management (ERICA) tool, we calculated tissue specific doses following determination of radionuclide concentration. Marine and freshwater bivalves were exposed for 10 days to varying 32P concentrations to acquire desired whole body average dose rates of 0.10, 1.0 and 10 mGy d-1. Dose rates encompass a screening dose rate value of 10 μGy h-1 (0.24 mGy d-1), in accordance with the ERICA tool. This study is the first to relate tissue specific uptake and release (via excretion) of 32P from two anatomically similar bivalve species. Results showed highly tissue specific accumulation of this radionuclide and similarity of accumulation pattern between the two species. Our data, which highlights preferential 32P accumulation in specific tissues such as digestive gland, demonstrates that in some cases, tissue-specific dose rates may be required to fully evaluate the potential effects of radiation exposure on non-human biota. Differential sensitivity between biological tissues could result in detrimental biological responses at levels presumed to be acceptable when adopting a 'whole-body' approach.
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Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK
| | - Jim T Smith
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK.
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39
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Sforzini S, Oliveri C, Orrù A, Chessa G, Pacchioni B, Millino C, Jha AN, Viarengo A, Banni M. Application of a new targeted low density microarray and conventional biomarkers to evaluate the health status of marine mussels: A field study in Sardinian coast, Italy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 628-629:319-328. [PMID: 29444484 DOI: 10.1016/j.scitotenv.2018.01.293] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 01/24/2018] [Accepted: 01/28/2018] [Indexed: 06/08/2023]
Abstract
In the present study, we investigated the health status of marine mussels (Mytilus galloprovincialis) caged and deployed at three different sites on the Sardinian coastline characterized by different levels of contamination: Fornelli (F, the reference site), Cala Real (CR), and Porto Torres (PT). A new low density oligonucleotide microarray was used to investigate global gene expression in the digestive gland of mussels. Target genes were selected to cover most of the biological processes involved in the stress response in bivalve mollusks (e.g. DNA metabolism, translation, immune response, cytoskeleton organization). A battery of classical biomarkers was also employed to complement the gene expression analyses. Chemical analysis revealed higher loads of heavy metals (Pb and Cu) and total polycyclic aromatic hydrocarbons (PAHs) at PT compared to the other sites. In mussels deployed at CR, functional genomics analysis of the microarray data rendered 78 differentially expressed genes (DEGs) involved in 11 biological processes. Animals exposed at PT had 105 DEGs that were characterized by the regulation of 14 biological processes, including mitochondrial activity, adhesion to substrate, DNA metabolism, translation, metal resistance, and cytoskeleton organization. Biomarker data (lysosomal membrane stability, lysosomal/cytoplasm volume ratio, lipofuscin accumulation, metallothionein content, micronucleus frequency, and cytoskeleton alteration) were in trend with transcriptomic output. Biomarker data were integrated using the Mussel Expert System (MES), allowing defining the area in which the presence of chemicals is toxic for mussels. Our study provides the opportunity to adopt a new approach of integrating transcriptomic (microarray) results with classical biomarkers to assess the impact of pollutants on marine mussels in biomonitoring programs.
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Affiliation(s)
- Susanna Sforzini
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of EnvironmentalChemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy.
| | - Caterina Oliveri
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy
| | - Andrea Orrù
- Istituto Zooprofilattico Sperimentale della Sardegna, Via F.lli Kennedy 2, 08100 Nuoro, Italy
| | - Giannina Chessa
- Istituto Zooprofilattico Sperimentale della Sardegna, Via F.lli Kennedy 2, 08100 Nuoro, Italy
| | | | | | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Aldo Viarengo
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of EnvironmentalChemistry and Toxicology, IRCCS - Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Mohamed Banni
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia.
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40
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Moore MN, Wedderburn RJ, Clarke KR, McFadzen IRB, Lowe DM, Readman JW. Emergent synergistic lysosomal toxicity of chemical mixtures in molluscan blood cells (hemocytes). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 235:1006-1014. [PMID: 29751396 DOI: 10.1016/j.envpol.2018.01.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 01/05/2018] [Accepted: 01/07/2018] [Indexed: 05/24/2023]
Abstract
The problem of effective assessment of risk posed by complex mixtures of toxic chemicals in the environment is a major challenge for government regulators and industry. The biological effect of the individual contaminants, where these are known, can be measured; but the problem lies in relating toxicity to the multiple constituents of contaminant cocktails. The objective of this study was to test the hypothesis that diverse contaminant mixtures may cause a greater toxicity than the sum of their individual parts, due to synergistic interactions between contaminants with different intracellular targets. Lysosomal membrane stability in hemocytes from marine mussels was used for in vitro toxicity tests; and was coupled with analysis using the isobole method and a linear additive statistical model. The findings from both methods have shown significant emergent synergistic interactions between environmentally relevant chemicals (i.e., polycyclic aromatic hydrocarbons, pesticides, biocides and a surfactant) when exposed to isolated hemocytes as a mixture of 3 & 7 constituents. The results support the complexity-based hypothesis that emergent toxicity occurs with increasing contaminant diversity, and raises questions about the validity of estimating toxicity of contaminant mixtures based on the additive toxicity of single components. Further experimentation is required to investigate the potential for interactive effects in mixtures with more constituents (e.g., 50-100) at more environmentally realistic concentrations in order to test other regions of the model, namely, very low concentrations and high diversity. Estimated toxicant diversity coupled with tests for lysosomal damage may provide a potential tool for determining the toxicity of estuarine sediments, dredge spoil or contaminated soil.
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Affiliation(s)
- M N Moore
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK; University of Exeter Medical School, European Centre for Environment & Human Health (ECEHH), Truro, TR1 3HD, UK; University of Plymouth, School of Biological and Marine Sciences, Drake Circus, Plymouth, PL4 8AA, UK.
| | - R J Wedderburn
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK
| | - K R Clarke
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK
| | - I R B McFadzen
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK; University of Plymouth, School of Biological and Marine Sciences, Drake Circus, Plymouth, PL4 8AA, UK
| | - D M Lowe
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK
| | - J W Readman
- Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK; University of Plymouth, School of Geography, Earth and Environmental Sciences, Drake Circus, Plymouth, PL4 8AA, UK
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41
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Dallas LJ, Turner A, Bean TP, Lyons BP, Jha AN. An integrated approach to assess the impacts of zinc pyrithione at different levels of biological organization in marine mussels. CHEMOSPHERE 2018; 196:531-539. [PMID: 29329085 DOI: 10.1016/j.chemosphere.2017.12.144] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 12/21/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
The mechanisms of sublethal toxicity of the antifouling biocide, zinc pyrithione (ZnPT), have not been well-studied. This investigation demonstrates that 14-d sublethal exposure to ZnPT (0.2 or 2 μM, alongside inorganic Zn and sea water controls) is genotoxic to mussel haemocytes but suggests that this is not caused by oxidative DNA damage as no significant induction of oxidised purines was detected by Fpg-modified comet assay. More ecologically relevant endpoints, including decreased clearance rate (CR), cessation of attachment and decreased tolerance of stress on stress (SoS), also showed significant response to ZnPT exposure. Our integrated approach was underpinned by molecular analyses (qRT-PCR of stress-related genes, 2D gel electrophoresis of proteins) that indicated ZnPT causes a decrease in phosphoenolpyruvate carboxykinase (PEPCK) expression in mussel digestive glands, and that metallothionein genes are upregulated; PEPCK downregulation suggests that altered energy metabolism may also be related to the effects of ZnPT. Significant relationships were found between % tail DNA (comet assay) and all higher level responses (CR, attachment, SoS) in addition to PEPCK expression. Principal component analyses suggested that expression of selected genes described more variability within groups whereas % tail DNA reflected different ZnPT concentrations.
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Affiliation(s)
- Lorna J Dallas
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Andrew Turner
- School of Geography, Earth & Environmental Sciences, University of Plymouth, Plymouth, UK.
| | - Tim P Bean
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, UK
| | - Brett P Lyons
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
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Cappello T, Giannetto A, Parrino V, Maisano M, Oliva S, De Marco G, Guerriero G, Mauceri A, Fasulo S. Baseline levels of metabolites in different tissues of mussel Mytilus galloprovincialis (Bivalvia: Mytilidae). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2018; 26:32-39. [PMID: 29605489 DOI: 10.1016/j.cbd.2018.03.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 03/23/2018] [Accepted: 03/24/2018] [Indexed: 11/20/2022]
Abstract
The Mediterranean mussel Mytilus galloprovincialis (Lamarck 1819) is a popular shellfish commonly included in human diet and is routinely used as bioindicator in environmental monitoring programmes worldwide. Recently, metabolomics has emerged as a powerful tool both in food research and ecotoxicology for monitoring mussels' freshness and assessing the effects of environmental changes. However, there is still a paucity of data on complete metabolic baseline of mussel tissues. To mitigate this knowledge gap, similarities and differences in metabolite profile of digestive gland (DG), gills (G), and posterior adductor muscle (PAM) of aquaculture-farmed M. galloprovincialis were herein investigated by a proton nuclear magnetic resonance (1H NMR)-based metabolomic approach and discussed considering their physiological role. A total of 44 metabolites were identified in mussel tissues and grouped in amino acids, energy metabolites, osmolytes, neurotransmitters, nucleotides, alkaloids, and miscellaneous metabolites. A PCA showed that mussel tissues clustered separately from each other, suggesting a clear differentiation in their metabolic profiles. A Venn diagram revealed that mussel DG, G and PAM shared 27 (61.36%) common metabolites, though with different concentrations. Osmolytes were found to dominate the metabolome of all tissues. The DG exhibited higher level of glutathione and carbohydrates. The G showed greater level of osmolytes and the exclusive presence of neurotransmitters, namely acetylcholine and serotonin. In PAM higher levels of energetics-related metabolites were found. Overall, findings from this study are helpful for a better understanding of mussel tissue-specific physiological functions as well as for future NMR-based metabolomic investigations of marine mussel health and safety.
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Affiliation(s)
- Tiziana Cappello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Alessia Giannetto
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Vincenzo Parrino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Maria Maisano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Sabrina Oliva
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Giuseppe De Marco
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Giulia Guerriero
- Department of Biology, University of Naples "Federico II",Via Cinthia 26, 80126 Naples, Italy
| | - Angela Mauceri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
| | - Salvatore Fasulo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
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Sforzini S, Moore MN, Oliveri C, Volta A, Jha A, Banni M, Viarengo A. Role of mTOR in autophagic and lysosomal reactions to environmental stressors in molluscs. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 195:114-128. [PMID: 29306034 DOI: 10.1016/j.aquatox.2017.12.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 12/15/2017] [Accepted: 12/27/2017] [Indexed: 06/07/2023]
Abstract
Lysosomal membrane stability (LMS) has been used in various organisms as a very sensitive biomarker of stress. However, despite the abundance of data about regulation of the autophagic process in mammals, in the invertebrates there is only limited mechanistic understanding. Marine mussels (Mytilus galloprovincialis Lam.) are bivalve molluscs, widely used as models in ecotoxicology and as environmental bioindicators of sea water quality. In order to elucidate this fundamental process, in the present study, mussels were exposed for 3 days to a "priority", ubiquitous environmental contaminant, benzo[a]pyrene (B[a]P) at different concentrations (i.e. 5, 50, 100 μg/L seawater). B[a]P accumulated in lysosomes of digestive tubule epithelial cells (digestive cells) and in enlarged lipid-rich lysosomes (autolysosomes) as detected by immunofluorescence and UV-fluorescence. B[a]P also activated the autophagic process with a marked decrease of LMS and concurrent increase in lysosomal/cytoplasmic volume ratio. Dephosphorylation of mTOR contributes to increased lysosomal membrane permeability and induced autophagy. B[a]P induced a decrease in phosphorylated (active form) mTOR. The probable role of mTOR in cell signalling and the regulation of the cellular responses to the contaminants has been also confirmed in a field study, where there was significant inactivation of mTOR in stressed animals. Statistical and network modelling supported the empirical investigations of autophagy and mTOR; and was used to integrate the mechanistic biomarker data with chemical analysis and DNA damage.
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Affiliation(s)
- Susanna Sforzini
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Environmental Chemistry and Toxicology, IRCCS, Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy
| | - Michael N Moore
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; European Centre for Environment & Human Health (ECEHH), University of Exeter Medical School, Truro, TR1 3HD, UK; Plymouth Marine Laboratory, Plymouth, PL1 3DH, UK; School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
| | - Caterina Oliveri
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy
| | - Anna Volta
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy
| | - Awadhesh Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
| | - Mohamed Banni
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, Sousse, Tunisia
| | - Aldo Viarengo
- Department of Sciences and Technological Innovation (DiSIT), University of Piemonte Orientale "A. Avogadro", V.le T. Michel 11, 15121 Alessandria, Italy; Laboratory of Environmental Chemistry and Toxicology, IRCCS, Istituto di Ricerche Farmacologiche Mario Negri, Via Giuseppe La Masa 19, 20156 Milan, Italy.
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Kumar S, Negi S, Maiti P. Biological and analytical techniques used for detection of polyaromatic hydrocarbons. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25810-25827. [PMID: 29032529 DOI: 10.1007/s11356-017-0415-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Accepted: 10/03/2017] [Indexed: 06/07/2023]
Abstract
Polycyclic aromatic hydrocarbons contain two or more fused benzene rings that are considered as cosmo-pollutants ubiquitously found in the environment. The identification and monitoring of polycyclic aromatic hydrocarbons (PAHs) are of great interests for rapid and on-site detection. Therefore, many analytical and biological techniques have been proposed for the qualitative and quantitative assessments of PAHs. Non-biological analytical techniques such as infrared, Raman, and fluorescence spectroscopies are commonly exploited as non-destructive techniques while gas chromatography (GC) and high-performance liquid chromatography (HPLC) with multiple detectors are extensively employed for the separation and detection of an analyte. Even though spectroscopy and chromatography are more accurate, convenient, and feasible techniques, often, these methods are expensive and sophisticated which require high maintenance cost. On the other hand, biological approaches, i.e., immunoassay, PCR, and microarray, offer comprehensive high-throughput specificity and sensitivity for a similar analyte. Biosensor- and immunoassay-mediated detections of PAHs have opened up new avenues in terms of low cost, rapid determination, and higher sensitivity. In this review, we have discussed the strengths and limitations of biological and analytical techniques that were explored for precise evaluation and were trusted at both the legislation and research levels.
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Affiliation(s)
- Sunil Kumar
- School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India.
| | - Sangeeta Negi
- Department of Biotechnology, Motilal Nehru National Institute of Technology, Teliyarganj, Allahabad, 221004, India
| | - Pralay Maiti
- School of Materials Science and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, 221005, India
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