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Cardwell AS, Rodriguez PH, Stubblefield WA, DeForest DK, Adams WJ. Chronic Toxicity of Iron to Aquatic Organisms under Variable pH, Hardness, and Dissolved Organic Carbon Conditions. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1371-1385. [PMID: 37014181 DOI: 10.1002/etc.5627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 05/09/2023]
Abstract
A series of chronic toxicity tests was conducted exposing three aquatic species to iron (Fe) in laboratory freshwaters. The test organisms included the green algae Raphidocelis subcapitata, the cladoceran Ceriodaphnia dubia, and the fathead minnow Pimephales promelas. They were exposed to Fe (as Fe (III) sulfate) in waters under varying pH (5.9-8.5), hardness (10.3-255 mg/L CaCO3 ), and dissolved organic carbon (DOC; 0.3-10.9 mg/L) conditions. Measured total Fe was used for calculations of biological effect concentrations because dissolved Fe was only a fraction of nominal and did not consistently increase as total Fe increased. This was indicative of the high concentrations of Fe required to elicit a biological response and that Fe species that did not pass through a 0.20- or 0.45-µm filter (dissolved fraction) contributed to Fe toxicity. The concentrations frequently exceeded the solubility limits of Fe(III) under circumneutral pH conditions relevant to most natural surface waters. Chronic toxicity endpoints (10% effect concentrations [EC10s]) ranged from 442 to 9607 µg total Fe/L for R. subcapitata growth, from 383 to 15 947 µg total Fe/L for C. dubia reproduction, and from 192 to 58,308 µg total Fe/L for P. promelas growth. Toxicity to R. subcapitata was variably influenced by all three water quality parameters, but especially DOC. Toxicity to C. dubia was influenced by DOC, less so by hardness, but not by pH. Toxicity to P. promelas was variable, but greatest under low hardness, low pH, and low DOC conditions. These data were used to develop an Fe-specific, bioavailability-based multiple linear regression model as part of a companion publication. Environ Toxicol Chem 2023;00:1-15. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Allison S Cardwell
- Environmental and Molecular Toxicology, Oregon State University, Corvallis, Oregon, USA
| | - Patricio H Rodriguez
- Chilean Mining and Metallurgy Research Center, Centro de Investigación Minera y Metalúrgica, Santiago, Chile
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Brix KV, Tear L, DeForest DK, Adams WJ. Development of Multiple Linear Regression Models for Predicting Chronic Iron Toxicity to Aquatic Organisms. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1386-1400. [PMID: 36988398 DOI: 10.1002/etc.5623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 05/09/2023]
Abstract
We developed multiple linear regression (MLR) models for predicting iron (Fe) toxicity to aquatic organisms for use in deriving site-specific water quality guidelines (WQGs). The effects of dissolved organic carbon (DOC), hardness, and pH on Fe toxicity to three representative taxa (Ceriodaphnia dubia, Pimephales promelas, and Raphidocelis subcapitata) were evaluated. Both DOC and pH were identified as toxicity-modifying factors (TMFs) for P. promelas and R. subcapitata, whereas only DOC was a TMF for C. dubia. The MLR models based on effective concentration 10% and 20% values were developed and performed reasonably well, with adjusted R2 of 0.68-0.89 across all species and statistical endpoints. Differences among species in the MLR models precluded development of a pooled model. Instead, the species-specific models were assumed to be representative of invertebrates, fish, and algae and were applied accordingly to normalize toxicity data. The species sensitivity distribution (SSD) included standard laboratory toxicity data and effects data from mesocosm experiments on aquatic insects, with aquatic insects being the predominant taxa in the lowest quartile of the SSD. Using the European Union approach for deriving WQGs, application of MLR models to this SSD resulted in WQGs ranging from 114 to 765 μg l-1 Fe across the TMF conditions evaluated (DOC: 0.5-10 mg l-1 ; pH: 6.0-8.4), with slightly higher WQGs (199-910 μg l-1 ) derived using the US Environmental Protection Agency (USEPA) methodology. An important uncertainty in these derivations is the applicability of the C. dubia MLR model (no pH parameter) to aquatic insects, and understanding the pH sensitivity of aquatic insects to Fe toxicity is a research priority. An Excel-based tool for calculating Fe WQGs using both European Union and USEPA approaches across a range of TMF conditions is provided. Environ Toxicol Chem 2023;00:1-15. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Kevin V Brix
- EcoTox, Miami, Florida, USA
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida, USA
| | - Lucinda Tear
- Windward Environmental, Seattle, Washington, USA
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Katharios P, Kokkari C, Cascarano MC, Gyparakis S, Aggelidaki C, Antonakaki I, Vargiakaki E. A fish kill at the Aposelemis dam (Crete, Greece) caused by heavy parasitism by Ichthyobodo sp. JOURNAL OF FISH DISEASES 2023; 46:61-66. [PMID: 36116014 PMCID: PMC10087203 DOI: 10.1111/jfd.13717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
A fish kill was recorded at the Aposelemis Dam, which is the main reservoir of drinking water for the island of Crete in Greece. Hundreds of goldfish were found dead at a side stream which provides water to the reservoir. The affected fish had been entrapped in a small pond at the side of the stream with practically zero water renewal as the event occurred in August which is a dry season for the island of Crete. The event was alarming for the local community since anthropogenic pollution was initially suspected which could pose a significant human health threat. Following examination of the fish, the mortality was attributed to heavy infection by the parasitic flagellate, Ichthyobodo sp., whilst no pollutants were detected. The parasite was studied through light and scanning electron microscopy and was identified molecularly.
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Affiliation(s)
- Pantelis Katharios
- Institute of Marine Biology, Biotechnology & AquacultureHellenic Centre for Marine Research, Greece, Former American Base of GournesHeraklionGreece
| | - Constantina Kokkari
- Institute of Marine Biology, Biotechnology & AquacultureHellenic Centre for Marine Research, Greece, Former American Base of GournesHeraklionGreece
| | - Maria Chiara Cascarano
- Institute of Marine Biology, Biotechnology & AquacultureHellenic Centre for Marine Research, Greece, Former American Base of GournesHeraklionGreece
| | - Stylianos Gyparakis
- Organisation for the Development of Crete SA (OAK SA)Aposelemis WTPHeraklionGreece
| | - Chrissi Aggelidaki
- Organisation for the Development of Crete SA (OAK SA)Aposelemis WTPHeraklionGreece
| | - Ioanna Antonakaki
- Organisation for the Development of Crete SA (OAK SA)Aposelemis WTPHeraklionGreece
| | - Efthimia Vargiakaki
- Organisation for the Development of Crete SA (OAK SA)Aposelemis WTPHeraklionGreece
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De Angelis CF, Soares MP, Cardoso IL, Filogonio R, Taylor EW, McKenzie DJ, Souza IC, Wunderlin DA, Monferrán MV, Fernandes MN, Leite CAC. Settleable atmospheric particulate matter affects cardiorespiratory responses to hypoxia in Nile tilapia (Oreochromis niloticus). Comp Biochem Physiol C Toxicol Pharmacol 2022; 257:109353. [PMID: 35452846 DOI: 10.1016/j.cbpc.2022.109353] [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: 01/24/2022] [Revised: 03/28/2022] [Accepted: 04/14/2022] [Indexed: 11/03/2022]
Abstract
Atmospheric particulate matter (APM) emitted by iron ore processing industries has a complex composition, including diverse metallic particles and nanoparticles. Settleable APM (SePM) causes air to water cross-contamination and has recently been demonstrated to have harmful sublethal impacts on fish, eliciting stress responses, affecting the immune system, and reducing blood oxygen-carrying capacity. These findings imply potential consequences for fish aerobic performance and energy allocation, particularly in their ability to tolerate respiratory challenges such as aquatic hypoxia. To assess that potential limitation, we analyzed metabolic, cardiorespiratory, and morphological alterations after exposing tilapia, Oreochromis niloticus, to an environmentally relevant concentration of SePM (96 h) and progressive hypoxia. The contamination initiated detectable gill damage, reducing respiratory efficiency, increasing ventilatory effort, and compromising fish capacity to deal with hypoxia. Even in normoxia, the resting respiratory frequency was elevated and limited respiratory adjustments during hypoxia. SePM increased O2crit from 26 to 34% of O2 (1.84 to 2.76 mg O2·L-1). Such ventilatory inefficacy implies higher ventilatory cost with relevant alterations in energy allocation. Progression in gill damage might be problematic and cause: infection, blood loss, ion imbalance, and limited cardiorespiratory performance. The contamination did not cause immediate lethality but may threaten fish populations due to limitations in physiological performance. This was the first investigation to evaluate the physiological responses of fish to hypoxia after SePM contamination. We suggest that the present level of environmental SePM deserves attention. The present results demonstrate the need for comprehensive studies on SePM effects in aquatic fauna.
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Affiliation(s)
- C F De Angelis
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - M P Soares
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - I L Cardoso
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - R Filogonio
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - E W Taylor
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - D J McKenzie
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier 34095, France.
| | - I C Souza
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - D A Wunderlin
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET, Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - M V Monferrán
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET, Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina.
| | - M N Fernandes
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - C A C Leite
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
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Boffa V, Fabbri D, Calza P, Revelli D, Christensen PV. Potential of nanofiltration technology in recirculating aquaculture systems in a context of circular economy. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100269] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Yadav AK, Sinha AK, Egnew N, Romano N, Kumar V. Potential amelioration of waterborne iron toxicity in channel catfish (Ictalurus punctatus) through dietary supplementation of vitamin C. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 205:111337. [PMID: 32979804 DOI: 10.1016/j.ecoenv.2020.111337] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 05/20/2023]
Abstract
Iron overload in water is a problem in many areas of the world, which could exert toxic effects on fish. To achieve maximum growth and overall fitness, iron induced toxicity must be alleviated. Therefore, this research was undertaken to investigate the potential mitigation of iron toxicity by dietary vitamin C supplementation in channel catfish (Ictalurus punctatus). Two doses of vitamin C (143 and 573 mg/kg diet) were tested against high environmental iron (HEI, 9.5 mg/L representing 25% of 96 h LC50). Fish were randomly divided into six groups with four replicated tanks. The groups were Control (vitamin C deficient feed), LVc (143 mg vitamin C supplemented per kg diet), HVc (573 mg vitamin C supplemented per kg diet), Con + Fe (control exposed to HEI), LVc + Fe (LVc exposed to HEI) and HVc + Fe (HVc exposed to HEI). Following an 8 week trial, there was a significant reduction in weight gain (WG%) in Con + Fe compared to the control, indicating a toxic effect of HEI on fish growth performance. Interestingly, WG% in both LVc + Fe and HVc + Fe groups were significantly higher than Cont + Fe, signifying that HEI inhibited growth, but this was alleviated by vitamin C. Both hemoglobin content and hematocrit were higher in LVc + Fe compared to the control and Con + Fe. In addition, exposure to HEI (Con + Fe) incited hepatic oxidative stress based on an over-accumulation of malondialdehyde (MDA) along with a significant inhibition in superoxide dismutase (SOD) and catalase (CAT) activities; whereas in LVc + Fe and HVc + Fe, the MDA content restored to basal level. A series of histopathological alterations were observed in the liver and gills, with the most severe lesions in Con + Fe, which was also complemented with a remarkable increase in hepatic iron accumulation. Vitamin C supplementations reduced the augmented concentrations of iron accumulation to that of the control. No effect, regardless of the treatments, was noted for fatty acid composition of muscle. Overall, our findings suggest that the vitamin C supplementation can be an effective therapeutic approach for boosting growth as well as alleviating iron toxicity in catfish.
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Affiliation(s)
- Amit K Yadav
- Aquaculture Research Institute, Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID, 83844, USA
| | - Amit K Sinha
- Department of Aquaculture and Fisheries, University of Arkansas at Pine Bluff, 1200 North University Drive, Pine Bluff, 71601, AR, USA
| | - Nathan Egnew
- Department of Aquaculture and Fisheries, University of Arkansas at Pine Bluff, 1200 North University Drive, Pine Bluff, 71601, AR, USA
| | - Nicholas Romano
- Department of Aquaculture and Fisheries, University of Arkansas at Pine Bluff, 1200 North University Drive, Pine Bluff, 71601, AR, USA
| | - Vikas Kumar
- Aquaculture Research Institute, Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID, 83844, USA; Hagerman Fish Culture Experiment Station, University of Idaho, 3059F National Fish Hatchery Road, Hagerman, ID, 83332, USA.
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Hinojosa-Garro D, Osten JRV, Dzul-Caamal R. Banded tetra (Astyanax aeneus) as bioindicator of trace metals in aquatic ecosystems of the Yucatan Peninsula, Mexico: Experimental biomarkers validation and wild populations biomonitoring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 195:110477. [PMID: 32200148 DOI: 10.1016/j.ecoenv.2020.110477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/18/2020] [Accepted: 03/12/2020] [Indexed: 06/10/2023]
Abstract
Bioindicator organisms are important tools in environmental monitoring studies. Understanding this, the overall goal of the present study was to evaluate the sensitivity and viability of the native fish species Banded tetra, (Astyanax aeneus; Günther, 1860), widely spread in the aquatic ecosystems of the Yucatan Peninsula in Mexico, as a bioindicator organism. In order to do this, we performed a bioassay at sublethal concentrations using copper (CuSO4) to experimentally evaluate and validate the relationship between the trace metals and oxidative stress biomarkers response [(catalase (CAT), lipoperoxidation content (LPO)], detoxification [(glutathione S-transferase (GST), metallothionein content (MT)] and neurotoxicity (AChE) in muscle of A. aeneus. Results showed changes in biomarkers after 96 h: Catalase activity (CAT) was significantly higher above 1.5 and 2 mg/L (154.35 and 172.50% increase, respectively); lipid peroxidation contents (TBARS), GST activity, and MT content were very similar to CAT activity at 1.5 and 2 mg/L of Cu. In terms of neurotoxicity, AChE activity was significantly inhibited at 0.1 mg/L (64%; p < 0.001) and 0.5 mg/L (44%; p < 0.001) of Cu. Based on the bioassay results, we performed a trace metal monitoring campaign in muscle of A. aeneus caught in 15 sites with different anthropogenic activities, during the summer of 2017, to establish a baseline of trace metals pollution in the state of Campeche. A. aeneus showed the highest trace metal accumulation in the following order: Al > Fe > Mn > Zn > Cu > Hg > Cr > Pb > Cd > V > As, while sites were arrange as follows: Xnoha lagoon > Palizada River > Candelaria River > Ululmal > Maravillas > López Mateos. PCA showed a cluster between biomarkers (GST, CAT, TBARS, and MT) and concentration of metals (Cd, Cu, Fe, Zn, Hg and Cr). Conversely, AChE inhibition was not related to a specific metal, but highest inhibitions (>50%) were present in those sites with intensive agricultural practices. These results determined that, based on its physiological response and trace metal bioaccumulation, Astyanax aeneus can be considered a good bioindicator for evaluating the presence of trace metals in tropical aquatic systems of the Yucatan Peninsula.
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Affiliation(s)
- Demián Hinojosa-Garro
- Laboratorio en Ecología Acuática y Monitoreo Ambiental, CEDESU, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico
| | - Jaime Rendón-von Osten
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico
| | - Ricardo Dzul-Caamal
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070, San Francisco de Campeche, Campeche, Mexico.
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Sayadi MH, Mansouri B, Shahri E, Tyler CR, Shekari H, Kharkan J. Exposure effects of iron oxide nanoparticles and iron salts in blackfish (Capoeta fusca): Acute toxicity, bioaccumulation, depuration, and tissue histopathology. CHEMOSPHERE 2020; 247:125900. [PMID: 31951957 DOI: 10.1016/j.chemosphere.2020.125900] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/04/2020] [Accepted: 01/10/2020] [Indexed: 06/10/2023]
Abstract
We assessed the toxicity of iron oxide nanoparticles compared with iron salts in the blackfish (Capoeta fusca). After an acute toxicity assessment, we conducted a chronic exposure to a sub-lethal concentration of Fe3O4 NPs, and iron salts (ferric nitrate (Fe(NO3)3), ferric chloride (FeCl3), ferrous sulfate (FeSO4)) to measure iron uptake over a period of 28 days and then subsequent clearance of the iron uptake in the exposed fish that were transferred to clean water for 28 days. Fe(NO3)3 was the most acutely toxic compound followed by FeCl3, FeSO4, and Fe3O4 NPs. Exposure to Fe3O4 NPs and iron salts induced histopathology anomalies in both gills and intestine that included aneurism, hyperplasia, oedema, fusion of lamellae, lamellar synechiae, and clear signs of necrosis (in the gills) and increases in the number of goblet cells, blood cell counts, and higher numbers of lymphocyte (in the intestine). Fe3O4 NPs showed a higher level of uptake in the body tissues compared with iron salts (p < 0.05) with levels of Fe in the gill > intestine > liver > kidney. Fe was shown to be eliminated most efficiently from the gills, followed by the kidney, then liver and finally the intestine. The highest tissue bioconcentration factors (BCF) occurred in the liver for FeCl3, Fe3O4 NPs, and FeSO4 and in the gills for Fe(NO3)3. We thus show differences in the patterns of tissue accumulation, clearance and toxicological responses for exposures to Fe3O4 NPs and iron salts in blackfish with implications for different susceptibilities for biological effects.
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Affiliation(s)
- Mohammad Hossein Sayadi
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran.
| | - Borhan Mansouri
- Substance Abuse Prevention Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Elham Shahri
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran.
| | - Charles R Tyler
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Geoffrey Pope, Stocker Road, Exeter, Devon, EX4 4QD, United Kingdom.
| | - Hossein Shekari
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran.
| | - Javad Kharkan
- Department of Environmental Sciences, School of Natural Resources and Environment, University of Birjand, Birjand, Iran.
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Isibor PO, Imoobe TOT, Enuneku AA, Akinduti PA, Dedeke GA, Adagunodo TA, Obafemi DY. Principal Components and Hierarchical Cluster Analyses of Trace Metals and Total Hydrocarbons in Gills, Intestines and Muscles of Clarias gariepinus (Burchell, 1822). Sci Rep 2020; 10:5180. [PMID: 32198448 PMCID: PMC7083867 DOI: 10.1038/s41598-020-62024-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 03/03/2020] [Indexed: 11/12/2022] Open
Abstract
The aim of the study was to comparatively analyze the interrelationships among iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), lead (Pb), cadmium (Cd), chromium (Cr) and total hydrocarbons (THCs) in the gills, intestines and muscles of Clarias gariepinus collected from Osse River, Nigeria, between the periods of April, 2013 to September, 2014. The trace metals in the fish tissues were analyzed using Atomic Absorption Spectrophotometer (AAS, Philips model PU 9100), while total hydrocarbons were analyzed using High Performance Liquid Chromatograph (HPLC,Prominence Dual brand from HGE) equipped with a detector Shimadzu UV-Visible (UV-Vis Prominence SPD 20 A). The concentrations of trace metals and THCs in the tissues were subjected to principal component analysis (PCA), in conjunction with hierarchical cluster analysis (HCA), backed up by correlation analysis (CA). In the most prioritized component among the hierarchies of contaminants, characterized as principal component 1, results of communality extractions and rotated component matrices revealed the order of contaminants was Mn > Cu > Zn > Fe > Cr in the intestines, Cr > Cu > THCs > Mn > Fe in the muscle, while Pb > Cr > Fe > Mn was the order in the gills of the fish. Iron inhibited accumulation of the other trace metals in the gills, where its threshold of essentiality was maximal. Noteworthy is the fact that Mn and Cu were the most active components in the muscle and concurrently of excess concentrations in the tissue, which is the major edible part of fish, and constitutes its main body weight, hence holds its nutritional and economic values. High level of variability which occurred in the toxicant profile across the tissues of C. gariepinus is a function of uptake route, varied organ functions and specificity of tissue permeability of the compared organs. The study demonstrated variability in organ accumulation capacity and toxicant's competitiveness irrespective of bioavailability. The study provides data useful for future ecotoxicological studies and safety of consumers of the fish.
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Affiliation(s)
- Patrick Omoregie Isibor
- Department of Biological Science, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria.
| | - Tunde O Thaddeus Imoobe
- Department of Animal and Environmental Biology, University of Benin, P.M.B. 1154, Benin City, Nigeria
| | - Alex Ajeh Enuneku
- Department of Environmental Management and Toxicology, University of Benin, P.M.B. 1154, Benin City, Nigeria
| | - Paul Akinniyi Akinduti
- Department of Biological Science, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria
| | - Gabriel Adewunmi Dedeke
- Department of Pure and Applied Zoology, Federal University of Agriculture, P.M.B. 2240, Abeokuta, Ogun State, Nigeria
| | | | - Dorcas Yemisi Obafemi
- Department of Biological Science, Covenant University, P.M.B. 1023, Ota, Ogun State, Nigeria
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Singh M, Barman AS, Devi AL, Devi AG, Pandey PK. Iron mediated hematological, oxidative and histological alterations in freshwater fish Labeo rohita. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:87-97. [PMID: 30529624 DOI: 10.1016/j.ecoenv.2018.11.129] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 11/28/2018] [Accepted: 11/28/2018] [Indexed: 06/09/2023]
Abstract
Iron is an essential element for many physiological functions of several organisms but in excess it causes toxicity. High iron content in water bodies of mountainous states is considered as one of the major factor, responsible for low productivity in aquaculture systems. But, till date comprehensive reports on the adverse effect of iron overload in aquatic organisms, especially cultured fishes are scanty. Therefore, the present study was undertaken to investigate the adverse effects of iron overload in economically important aquaculture fish species Labeo rohita. Three sub-lethal test concentration of iron (ferrous) viz., 1/16th, 1/8th and 1/4th of LC50 (post 96 h) i.e. 8.25, 16.51 and 33.01 mg L-1, respectively, were used for in vivo exposure. Blood cells and tissue samples of the control & exposed specimens were sampled at intervals of 24, 48, 72 and 96 h to assess alterations in hematological, oxidative stress and histological parameters. Significant changes in erythrocyte and leukocyte counts, hemoglobin, lipid peroxidation, antioxidant enzyme activity (super oxide dismutase and catalase) and tissue iron accumulation were observed in the exposed fish. Significant increase in lipid peroxidation, coupled with significant reduction in free radicals scavengers like super oxide dismutase and catalase revealed a compromised anti-oxidative defense mechanism in the fishes exposed to iron overload. Histological examination of gills and liver showed severe tissue injury and histological alternations. Severity was found to increase in time and concentration dependent manner. Perl's staining revealed accumulation of excess iron in liver of the exposed fish. The observed patho-physiological changes in the present study provide the most comprehensive insight of iron overload stress in L. rohita.
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Affiliation(s)
- Mamta Singh
- College of Fisheries (Central Agricultural University), Lembucherra, Tripura 799210, India.
| | - Anindya Sundar Barman
- College of Fisheries (Central Agricultural University), Lembucherra, Tripura 799210, India.
| | - Asem Lembika Devi
- College of Fisheries (Central Agricultural University), Lembucherra, Tripura 799210, India.
| | - Ayam Gangarani Devi
- ICAR Research Complex for NEH Region, Tripura Center, Lembucherra, Tripura 799210, India.
| | - Pramod Kumar Pandey
- College of Fisheries (Central Agricultural University), Lembucherra, Tripura 799210, India.
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Adverse Effects of Genotoxicity, Bioaccumulation and Ionoregulatory Modulation of Two Differently Synthesized Iron Oxide Nanoparticles on Zebrafish (Danio rerio). J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0935-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Mohanty D, Samanta L. Dietary supplementation of Spirulina ameliorates iron-induced oxidative stress in Indian knife fish Notopterus Notopterus. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 61:71-78. [PMID: 29852372 DOI: 10.1016/j.etap.2018.05.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 05/16/2018] [Accepted: 05/17/2018] [Indexed: 06/08/2023]
Abstract
Iron though an essential cofactor for many proteins including haemoglobin and cytochromes, when in excess (>1 ppm in water and 100 ppm in fish tissue) elicits toxicity via Fenton reaction inducing oxidative stress. The present study aimed to evaluate the efficacy of dietary Spirulina (Arthrospira platensis) supplementation on waterborne-iron induced oxidative stress in the tissues of Notopterus notopterus. Juvenile fishes were divided randomly into 4 groups, namely, Group-I: control fed with commercial diet only, Group-II, III and IV treated with 0.75 ppm FeCl3 where Group-II fed with commercial diet only, Group-III with 10% (w/w) Spirulina supplemented commercial diet and Group-IV with 100% (w/w) Spirulina diet only; for 7 and 28 days (n = 6 per group). Tissue oxidative stress biomarkers like lipid peroxidation (LPx), protein carbonylation (PC) and protein thionylation (protein and nonprotein-SH content); antioxidant defence (superoxide dismutase: SOD; catalase; CAT; glutathione peroxidase/reductase: GPx/GR; glutathione s-transferase: GST; metalothionine: MT and reduced glutathione: GSH) and iron accumulation in the gill, liver and muscles tissue were analysed. The augmented oxidative predominance in the tissues with respect to LPx and PC along with decline in antioxidant defence (SOD, CAT, GPx, GR, GST, MT, PSH, NPSH and GSH) by iron was neutralized by Spirulina supplementation in the diet in a dose and duration dependent manner where 100% Spirulina diet for 28 days completely ameliorated iron-induced oxidative stress in fish tissues. Thus, Spirulina can be used as a dietary supplement for fishes cultured in water bodies with iron overload.
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Affiliation(s)
- Deepali Mohanty
- Redox Biology Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, 753003, Odisha, India
| | - Luna Samanta
- Redox Biology Laboratory, Department of Zoology, School of Life Sciences, Ravenshaw University, Cuttack, 753003, Odisha, India.
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Arbildua JJ, Villavicencio G, Urrestarazu P, Opazo M, Brix KV, Adams WJ, Rodriguez PH. Effect of Fe (III) on Pseudokirchneriella subcapitata at circumneutral pH in standard laboratory tests is explained by nutrient sequestration. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2017; 36:952-958. [PMID: 27591735 DOI: 10.1002/etc.3609] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 06/26/2016] [Accepted: 08/31/2016] [Indexed: 06/06/2023]
Abstract
The complex chemistry of iron (Fe) at circumneutral pH in oxygenated waters and the poor correlation between ecotoxicity results in laboratory and natural waters have led to regulatory approaches for iron based on field studies (US Environmental Protection Agency Water Quality Criteria and European Union Water Framework Directive proposal for Fe). The results of the present study account for the observed differences between laboratory and field observations for Fe toxicity to algae (Pseudokirchneriella subcapitata). Results from standard 72-h assays with Fe at pH 6.3 and pH 8 resulted in similar toxicity values measured as algal biomass, with 50% effect concentrations (EC50) of 3.28 mg/L and 4.95 mg/L total Fe(III), respectively. At the end of the 72-h exposure, however, dissolved Fe concentrations were lower than 30 μg/L for all test concentrations, making a direct toxic effect of dissolved iron on algae unlikely. Analysis of nutrient concentrations in the artificial test media detected phosphorus depletion in a dose-dependent manner that correlated well with algal toxicity. Subsequent experiments adding excess phosphorus after Fe precipitation eliminated the toxicity. These results strongly suggest that observed Fe(III) toxicity on algae in laboratory conditions is a secondary effect of phosphorous depletion. Environ Toxicol Chem 2017;36:952-958. © 2016 SETAC.
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Salbu B, Burkitbaev M, Strømman G, Shishkov I, Kayukov P, Uralbekov B, Rosseland BO. Environmental impact assessment of radionuclides and trace elements at the Kurday U mining site, Kazakhstan. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2013; 123:14-27. [PMID: 22789313 DOI: 10.1016/j.jenvrad.2012.05.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Revised: 04/24/2012] [Accepted: 05/02/2012] [Indexed: 06/01/2023]
Abstract
The Kurday uranium mining site in Kazakhstan operated from 1954 to 1965 as part of the USSR nuclear weapon programme. To assess the environmental impact of radionuclides and trace elements associated with the Kurday mining site, field expeditions were performed in 2006. In addition to in situ gamma and (220)Rn dose rate measurements, sampling included at site fractionation of water as well as sampling of water, fish, sediment, soils and vegetation. The concentrations of U and associated trace metals were enriched in the Pit Lake and in the artesian water (U exceeding the WHO guideline value for drinking water), and decreased downstream from the mining area. Uranium, As, Mo and Ni were predominantly present as mobile low molecular mass species in waters, while a significant proportion of Cr, Mn and Fe were associated with colloids and particles. Due to oxidation of divalent iron in the artesian ground water upon contact with air, Fe served as scavenger for other elements, and peak concentrations of U-, Ra-isotopes, As and Mn were seen. Most radionuclides and trace elements were contained in minerals in soils and sediments, and good correlations were obtained between U and As, Cd, Mo and (226)Ra. Based on sequential extractions, a significant fraction of U, Pb and Cd could be considered mobile. Radioactive particles carrying significant amount of trace metals may represent a hazard during strong wind events. The transfer of radionuclides and metals from soils or sediments to water was in general low. The Kd levels varied with the element in question, ranging from 0.5 to 3 × 10(2) L/kg d.w. for (238)U being relatively mobile, 10(3) for (226)Ra, As, Cd, Ni, to 10(4) L/kg d.w. for Cu, Cr and Pb being rather inert The transfer of radionuclides and metals from soils to vegetation (TF) was low, while higher if the transfer to vegetation, especially underwater mosses, occurred via water (e.g., BCF 37 L/kg w.w. for (238)U and 3 × 10(3) L/kg w.w. for (226)Ra). The transfer of Cd, Pb and As from water to fish liver (BCF) was rather high, showing BCFs in the range of 10(2)-10(3) L/kg w.w., and may, if eaten, represent a health risk. Furthermore, the high Hg level in fish filet reaching 0.3 mg/kg w.w. muscle and the tendency of biomagnification call for dietary restrictions. Total gamma and Rn dose rate to man amounted to about 6 mSv/y, while the highest calculated dose rate for non-human species based on the ERICA Assessment Tool were obtained in aquatic plants, with calculated mean doses of 700 μGy/hr, mostly due to the U exposure. Overall, it is concluded that measures such as restricted access to the Pit Lake as well as dietary restrictions with respect to drinking water and intake of fish should be taken to reduce the environmental risk to man and biota.
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Affiliation(s)
- B Salbu
- Isotope Laboratory, Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, P.O. box 5003, NO-1432 Aas, Norway.
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Thomsen NI, Milosevic N, Bjerg PL. Application of a contaminant mass balance method at an old landfill to assess the impact on water resources. WASTE MANAGEMENT (NEW YORK, N.Y.) 2012; 32:2406-2417. [PMID: 22868040 DOI: 10.1016/j.wasman.2012.06.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Revised: 05/30/2012] [Accepted: 06/19/2012] [Indexed: 06/01/2023]
Abstract
Old and unlined landfill sites pose a risk to groundwater and surface water resources. While landfill leachate plumes in sandy aquifers have been studied, landfills in clay till settings and their impact on receiving water bodies are not well understood. In addition, methods for quantitatively linking soil and groundwater contamination to surface water pollution are required. This paper presents a method which provides an estimate of the contaminant mass discharge, using a combination of a historical investigation and contaminant mass balance approach. The method works at the screening level and could be part of a risk assessment. The study site was Risby Landfill, an old unlined landfill located in a clay till setting on central Zealand, Denmark. The contaminant mass discharge was determined for three common leachate indicators: chloride, dissolved organic carbon and ammonium. For instance, the mass discharge of chloride from the landfill was 9.4 ton/year and the mass discharge of chloride to the deep limestone aquifer was 1.4 ton/year. This resulted in elevated concentrations of leachate indicators (chloride, dissolved organic carbon and ammonium) in the groundwater. The mass discharge of chloride to the small Risby Stream down gradient of the landfill was approximately 31 kg/year. The contaminant mass balance method worked well for chloride and dissolved organic carbon, but the uncertainties were elevated for ammonium due to substantial spatial variability in the source composition and attenuation processes in the underlying clay till.
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Affiliation(s)
- Nanna I Thomsen
- DTU Environment, Miljoevej, Building 113, 2800 Kgs Lyngby, Denmark.
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Liu X, Jing J, Li S, Zhang G, Zou T, Xia X, Huang W. Measurement of pyrene in the gills of exposed fish using synchronous fluorescence spectroscopy. CHEMOSPHERE 2012; 86:198-201. [PMID: 22071375 DOI: 10.1016/j.chemosphere.2011.10.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Revised: 10/11/2011] [Accepted: 10/14/2011] [Indexed: 05/31/2023]
Abstract
A synchronous fluorescence spectroscopy (SFS) method was developed for determination of pyrene in the gills of exposed fish. The wavelength differences (Δλ) of 50 nm was maintained between excitation and emission wavelengths and it was found to be suitable for the effective determination of pyrene in fish gills; the peak were observed at λ(ex) 334.5 nm. Linear relationships between SFS intensity and the concentration of pyrene in n-hexane solution were established. It was demonstrated that the SFS method was effective, simple, and less expensive, providing an attractive alternative for the rapid analysis of pyrene in fish gills.
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Affiliation(s)
- Xianli Liu
- Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, Huangshi Institute of Technology, Huangshi 435003, PR China
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Heier LS, Meland S, Ljønes M, Salbu B, Strømseng AE. Short-term temporal variations in speciation of Pb, Cu, Zn and Sb in a shooting range runoff stream. THE SCIENCE OF THE TOTAL ENVIRONMENT 2010; 408:2409-2417. [PMID: 20206376 DOI: 10.1016/j.scitotenv.2010.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 02/09/2010] [Accepted: 02/09/2010] [Indexed: 05/28/2023]
Abstract
This study was designed to explore the changes in physico-chemical forms of Pb, Cu, Zn and Sb in a stream draining a contaminated shooting range, located at Steinsjøen in the South-Eastern part of Norway, during a period of 21days. To obtain information on the element species distribution, an interphased size and charge fractionation system was applied, where membrane filtration (0.45microm) and ultrafiltration using hollow fibre (nominal cut off 10kDa) were performed prior to charge fractionation using chromatography (cationic and anionic exchange resins). The results show that Pb mainly was present as particulate and colloidal high molecular mass (HMM) species, Cu as colloidal (HMM) and low molecular mass (LMM) species, while Sb and Zn were mainly present as LMM species. The total element concentrations of Pb, Cu, Zn and Sb were positively correlated to water flow and dissolved organic carbon (DOC), suggesting these are important factors in controlling the run-off of the investigated elements in this catchment. During episodes of higher water flow, the increase in element concentration was mainly in the colloidal fraction. Partial redundancy analysis (pRDA) revealed that variations in pH, HMM organic carbon (HMM OC) and LMM organic carbon (LMM OC) explained 47% of the variation in size distribution of the elements, while variations in precipitation and water flow explained 48% of the variation in the charge distribution of the elements. The variation in concentrations during the period varied by a factor of 4, also stressing the importance of frequent sampling opposed to spot sampling in environmental surveys and risk assessments.
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Affiliation(s)
- Lene Sørlie Heier
- Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, N-1432 As, Norway.
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