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Lou J, Xu H, Jin H, Cao Y, Wang R. Interaction between Cr(VI) and Tubificidae in sludge reduction system: effect, reduction, and redistribution of Cr(VI). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:94803-94813. [PMID: 37540417 DOI: 10.1007/s11356-023-29108-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 07/28/2023] [Indexed: 08/05/2023]
Abstract
The treatment of heavy metals in sewage treatment systems has gained more attention with the increase in heavy metal hazards. Tubificidae in sludge reduction have been widely studied; however, little is known about the effect of Tubificidae in the treatment of Cr-containing wastewater. In this study, the mechanism of Tubificidae in the sludge reduction system with Cr stress was studied. Predation experiments by Tubificidae in a Cr-containing sludge reduction system were conducted to investigate the changes in enzyme activities in the Tubificidae under different concentrations of Cr, and the distribution of Cr in the sludge reduction reactor was analyzed. The kinetic model of uptake and elimination of Cr in Tubificidae was established. The results showed that the maximum activation multiplier factor of superoxide dismutase (SOD) activity was 1.95 under the low concentration of Cr(VI), which indicated that Tubificidae had a certain detoxification. After the effect of Tubificidae on Cr(VI) experiments, the Cr concentrations in Tubificidae, sludge, and feces increased first and then decreased with exposure time, and the proportion of total Cr and Cr(VI) in the sludge decreased from 71.98% and 42.7% to 29.18% and 6.82%, respectively. The detoxification mechanism of the Tubificidae could be activated with Cr stress, and 63.22% of the Cr(VI) was converted to Cr(III). The bioconcentration factor (BCF) for theoretical equilibrium was 446, the maximum bioaccumulation factor (BAF) reached 0.97 on the 15th day. It can be seen that Tubificidae could be considered a good scavenger of environmental Cr(VI). The hyperbolic model fits the process of Cr uptake and elimination well and can be used as a predictive tool for Tubificidae accumulation.
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Affiliation(s)
- Juqing Lou
- School of Environmental Science and Engineering, Zhejiang Gongshang University, No.149, Jiaogong Road, Hangzhou, 310012, China.
- Instrumental Analysis Center of Zhejiang Gongshang University, Hangzhou, 310012, China.
| | - Hui Xu
- School of Environmental Science and Engineering, Zhejiang Gongshang University, No.149, Jiaogong Road, Hangzhou, 310012, China
| | - Hao Jin
- School of Environmental Science and Engineering, Zhejiang Gongshang University, No.149, Jiaogong Road, Hangzhou, 310012, China
| | - Yongqing Cao
- School of Environmental Science and Engineering, Zhejiang Gongshang University, No.149, Jiaogong Road, Hangzhou, 310012, China
| | - Ruyi Wang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, No.149, Jiaogong Road, Hangzhou, 310012, China
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Lobo H, Méndez-Fernández L, Martínez-Madrid M, Rodriguez P, Daam MA, Espíndola ELG. Bioaccumulation and chronic toxicity of arsenic and zinc in the aquatic oligochaetes Branchiura sowerbyi and Tubifex tubifex (Annelida, Clitellata). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 239:105955. [PMID: 34500378 DOI: 10.1016/j.aquatox.2021.105955] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/19/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Oligochaetes feed on bulk sediment and penetrate the sediment through the construction of burrows, making them especially vulnerable to sediment metal contamination. However, the few oligochaete species that have been tested to date are almost exclusively temperate test species. Although the warmwater adapted species Branchiura sowerbyi has been indicated as a promising candidate for tropical sediment toxicity testing, few (especially chronic) studies have been conducted so far to confirm this. Therefore, the aim of the present study was to evaluate the bioaccumulation and chronic 28d lethal and sublethal toxicity of arsenic (As) and zinc (Zn) to both the warmwater-adapted B. sowerbyi and the coldwater-adapted oligochaete Tubifex tubifex for comparison. Arsenic was more toxic to both oligochaete species than Zn. Inter- and intra-species variability in toxicity values of the two test species and other benthic invertebrates was within an order of magnitude. However, B. sowerbyi was the most sensitive species to As even for sediment concentration (EC50: 36.6 ± 2.1 µg/g and 147.1 ± 21.7 µg/g, for B. sowerbyi and T. tubifex, respectively) and for tissue concentration (ER50: 9.2 ± 0.9 µg/g and 887.0 ± 35.0 µg/g, for B. sowerbyi and T. tubifex, respectively). Finally, the Tissue Residue-effects Approach (TRA) using Effective Tissue Residues appears to be a promising way forward in advancing in this since it considers internal body concentrations.
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Affiliation(s)
- Haroldo Lobo
- Núcleo de Ecotoxicologia e Ecologia Aplicada, Programa de Pós-Graduação em Ciências da Engenharia, Ambiental, EESC/USP. Av. Trabalhador São Carlense, 400. Cep, São Carlos, SP 13564-590, Brazil.
| | - Leire Méndez-Fernández
- Department of Zoology and Animal Cellular Biology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Maite Martínez-Madrid
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Pilar Rodriguez
- Department of Zoology and Animal Cellular Biology, University of the Basque Country (UPV/EHU), Box 644, Bilbao 48080, Spain.
| | - Michiel A Daam
- CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, Caparica 2829-516, Portugal.
| | - Evaldo L G Espíndola
- Núcleo de Ecotoxicologia e Ecologia Aplicada, Programa de Pós-Graduação em Ciências da Engenharia, Ambiental, EESC/USP. Av. Trabalhador São Carlense, 400. Cep, São Carlos, SP 13564-590, Brazil.
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Tenorio-Chávez P, Cerro-López M, Castro-Pastrana LI, Ramírez-Rodrigues MM, Orozco-Hernández JM, Gómez-Oliván LM. Effects of effluent from a hospital in Mexico on the embryonic development of zebrafish, Danio rerio. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 727:138716. [PMID: 32334233 DOI: 10.1016/j.scitotenv.2020.138716] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/12/2020] [Accepted: 04/13/2020] [Indexed: 06/11/2023]
Abstract
Hospitals consume a large amount of water, so they also generate large amounts of wastewater, which contain a wide variety of contaminants. It is important to consider that hospital effluents are a mixture of pollutants that can interact with each other and have a negative impact on aquatic species of water bodies. The aim of this study was to evaluate the effects induced by a hospital effluent using Danio rerio embryos. In this study, Danio rerio embryos were exposed to different concentrations of the hospital effluent and a lethality test was evaluated and the malformations present in zebrafish embryos were evaluated. The lethal concentration of effluent 50% was 6.1% and the effective malformation concentration was of 2.5%. The teratogenic index was 2.45%. The main malformations identified were yolc sac malformation, pericardial edema, hatching abnormalities, hypopigmentation, tail deformation, chorda malformation, without fin, chorion deformation and craniofacial malformation. The risks that this type of water represents for the survival of living organisms, as well as the presence of malformations in them, are reference indicators for a future regulation focused on the adequate treatment of hospital effluents.
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Affiliation(s)
- Paulina Tenorio-Chávez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón i2antersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Mónica Cerro-López
- Universidad de las Américas Puebla, Departamento de Ciencias Químico-Biológicas, ExHda. Sta. Catarina Martir s/n, Cholula 72820, Puebla, Mexico.
| | - Lucila Isabel Castro-Pastrana
- Universidad de las Américas Puebla, Departamento de Ciencias Químico-Biológicas, ExHda. Sta. Catarina Martir s/n, Cholula 72820, Puebla, Mexico
| | - Milena María Ramírez-Rodrigues
- Universidad de las Américas Puebla, Departamento de Ciencias Químico-Biológicas, ExHda. Sta. Catarina Martir s/n, Cholula 72820, Puebla, Mexico
| | - José Manuel Orozco-Hernández
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón i2antersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón i2antersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico.
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Khadra A, Pinelli E, Ezzariai A, Mohamed O, Merlina G, Lyamlouli K, Kouisni L, Hafidi M. Assessment of the genotoxicity of antibiotics and chromium in primary sludge and compost using Vicia faba micronucleus test. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 185:109693. [PMID: 31550565 DOI: 10.1016/j.ecoenv.2019.109693] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 09/14/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
The objective of this study was to investigate chemical, biological and eco-toxicological parameters of a compost produced through the co-composting of dewatered primary sludge (DPS) and date palm waste to evaluate in which extent it can exploited as a bio-fertilizer. DPS and date palm waste were co-composted in aerobic conditions for 210 days. Physico-chemical parameters were evaluated during composting (total organic carbon, total nitrogen, pH, available forms of phosphorus). Furthermore, heavy metals (Cd, Cu, Cr, Pb, Ni, Zn) and antibiotics (fluoroquinolones, macrolides and tetracyclines) content were analyzed in the DPS. To evaluate the genotoxicity of substrates, Vicia faba micronucleus test was carried out. Single and combined toxicities of a mixture of antibiotics (ciprofloxacin, enroflxacin, nalidixic acid, roxithromycin and sulfapyridin) and chromium (Cr2 (SO4)3 and K2Cr2O7) were examined. Although the final compost product showed a significant decrease of the genotoxicity, almost 50% of the micronucleus frequency still remained, which could be explained by the persistence of several recalcitrant compounds such as chromium and some antibiotics. Overall, the presence of antibiotics and chromium showed that some specific combination of contaminants represent an ecological risk for soil health and ecosystems even at environmentally negligible concentrations.
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Affiliation(s)
- Ahmed Khadra
- Laboratoire Ecologie et Environnement (Unité Associée Au CNRST, URAC 32), Faculté des Sciences Semlalia, Université Cadi Ayyad, BP 2390, Marrakech, Morocco
| | - Eric Pinelli
- EcoLab, Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Avenue de l'Agrobiopôle, F-31326, Castanet-Tolosan, France
| | | | - Oubane Mohamed
- Laboratoire Ecologie et Environnement (Unité Associée Au CNRST, URAC 32), Faculté des Sciences Semlalia, Université Cadi Ayyad, BP 2390, Marrakech, Morocco
| | - Georges Merlina
- EcoLab, Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, UPS, Avenue de l'Agrobiopôle, F-31326, Castanet-Tolosan, France
| | - Karim Lyamlouli
- University Mohammed VI Polytechnic (UM6P), Agrobiosciences Program, Benguerir, Morocco
| | - Lamfeddal Kouisni
- University Mohammed VI Polytechnic (UM6P), Agrobiosciences Program, Benguerir, Morocco
| | - Mohamed Hafidi
- Laboratoire Ecologie et Environnement (Unité Associée Au CNRST, URAC 32), Faculté des Sciences Semlalia, Université Cadi Ayyad, BP 2390, Marrakech, Morocco; University Mohammed VI Polytechnic (UM6P), Agrobiosciences Program, Benguerir, Morocco.
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5
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Zarić NM, Ilijević K, Stanisavljević L, Gržetić I. Use of honeybees (Apis mellifera L.) as bioindicators for assessment and source appointment of metal pollution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:25828-25838. [PMID: 28936680 DOI: 10.1007/s11356-017-0196-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 09/12/2017] [Indexed: 05/13/2023]
Abstract
The ability of honeybees to collect particulate matter (PM) on their bodies makes them outstanding bioindicators. In this study, two cities, Pančevo (PA) and Vršac (VS), South Banat district, Vojvodina, Serbia, were covered with two sampling sites each. The aims of this study were to determine concentrations of Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Na, Ni, Sr, and Zn in the bodies of honeybees during July and September of 2013, 2014, and 2015 and to analyze their spatial and temporal variations and sources of analyzed elements, as well as to assess pollution levels in the two cities. Significant temporal differences were found for Al, Ba, Cd, Co, Cr, Cu, Fe, Mn, Na, Ni, and Zn. Trend of reduction in metal concentrations in bodies of honeybees during the years was observed. Statistically significant spatial variations were observed for Al, Ba, and Sr, with higher concentrations in VS. PCA and CA analyses were used for the first time to assess sources of metals found in honeybees. These analyses showed two sources of metals. Co, Cd, Na, Fe, Mn, Zn, and partly Cu were contributed to anthropogenic sources, while Ca, Al, Mg, Cr, Ba, Sr, and Ni were contributed to natural sources.
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Affiliation(s)
- Nenad M Zarić
- Innovation center of Faculty of Technology & Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, 11120, Serbia.
| | - Konstantin Ilijević
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, Belgrade, 11000, Serbia
| | | | - Ivan Gržetić
- University of Belgrade, Faculty of Chemistry, Studentski trg 16, Belgrade, 11000, Serbia
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7
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Kroukamp E, Wondimu T, Forbes P. Metal and metalloid speciation in plants: Overview, instrumentation, approaches and commonly assessed elements. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.10.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Marasinghe Wadige CPM, Taylor AM, Maher WA, Krikowa F. Bioavailability and toxicity of zinc from contaminated freshwater sediments: linking exposure-dose-response relationships of the freshwater bivalve Hyridella australis to zinc-spiked sediments. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 156:179-90. [PMID: 25238458 DOI: 10.1016/j.aquatox.2014.08.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 08/23/2014] [Accepted: 08/27/2014] [Indexed: 05/27/2023]
Abstract
To evaluate the use of the freshwater bivalve Hyridella australis as a potential biomonitor for zinc contamination in freshwater sediments, the bioavailability and toxicity of zinc contaminated sediments (low 44 ± 5, medium 526 ± 41, high 961 ± 38 μg/g dry mass) were investigated in laboratory microcosms for 28 days by examining H. australis exposure-dose-response relationships. Zinc concentrations in sediments and surface waters were measured as zinc exposure. Zinc in whole organism soft body tissues and five individual tissues were measured as organism zinc dose. Sub-cellular localisation of zinc in hepatopancreas tissues was investigated to further understand the zinc handling strategies and tolerance of H. australis. Total antioxidant capacity, lipid peroxidation and lysosomal membrane stability were measured in hepatopancreas tissues as zinc induced biomarker responses. Accumulated zinc concentrations in whole body tissues of H. australis reflected the zinc exposure and exhibited exposure dependent zinc accumulation at day 28. Gills accumulated significantly higher zinc concentrations than other tissues, however, no significant differences in zinc accumulation between treatments were detected for any of the individual tissues analysed. Analysis of individual tissue zinc concentrations, therefore, may not offer any advantages for monitoring bioavailable zinc in freshwater environments with this organism. Relationships between tissue zinc and calcium concentration suggest accumulation of zinc by H. australis may have occurred as an analogue of calcium which is a major constituent in shell and granules of unionid bivalves. A high percentage of accumulated zinc in the hepatopancreas tissues was detoxified and stored in metallothionein like proteins and metal rich granules. Of the zinc accumulated in the biologically active metal pool, 59-70% was stored in the lysosome+microsome fraction. At the concentrations tested, increasing zinc exposure resulted in decreasing total antioxidant capacity and measurable increases in the sublethal effects, lipid peroxidation and lysosomal membrane destabilisation, were observed. Based on exposure-dose analysis, H. australis partially regulates zinc uptake and weakly exhibits bioavailability of zinc in freshwater environments, however, exposure-response analysis shows zinc induced toxicological effects, suggesting the potential of this organism as a biomonitor for zinc in heavily contaminated freshwater environments.
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Affiliation(s)
| | - Anne M Taylor
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
| | - William A Maher
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
| | - Frank Krikowa
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
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Revenga JE, Campbell LM, Arribére MA, Ribeiro Guevara S. Arsenic, cobalt and chromium food web biodilution in a Patagonia mountain lake. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 81:1-10. [PMID: 22551685 DOI: 10.1016/j.ecoenv.2012.03.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Revised: 03/22/2012] [Accepted: 03/26/2012] [Indexed: 05/05/2023]
Abstract
Mussels, Diplon chilensis, from Lake Moreno, a double-basined mountain lake in southern Argentina, is known to have elevated concentrations of chromium (Cr, > 25 μg g⁻¹ dry weight DW) and arsenic (As, 35 μg g⁻¹ DW), attributed to untreated sewage. To further understand the trophodynamics of Cr, As and cobalt (Co), we investigated concentrations and transfer throughout the food web in each basin of Lake Moreno. Each basin differs in morphology in that the gently-sloping Lake Moreno West has more littoral habitat than deeper Lake Moreno East with its higher proportion of pelagic habitat. Despite the morphological differences, both basins share similar water quality parameters and species assemblages. As a result, Lake Moreno provides an exceptional opportunity to compare trophodynamics of elements that enable us to hypothesize pelagic-littoral habitat coupling in response to lake morphology as the underlying factor influencing both Cr pathway and Co and As trophodynamic modeling. Using stable isotopes of nitrogen (δ¹⁵N) and carbon (δ¹³C) to characterize metals trophodynamics in each basin, biodilution of As, Cr and Co were indicated by negative regressions. This is confirmed by elevated As, Co and Cr concentrations in phytoplankton (11.3±5.7, 7.4±4.9, 44.5±40.7 μg g⁻¹ DW respectively), while zooplankton and biofilm had the next elevated concentrations. Those elevated concentrations are in contrast with lower concentrations in sport fish such as rainbow trout (0.5±0.5, 0.2±0.3, 1.8±1.2 μg g⁻¹ DW). Higher concentrations of Cr in fish were associated with higher proportion of benthic/littoral prey items in western basin, and were confirmed by significant correlation with δ¹³C values. Arsenic, Co and Cr concentrations in fish, while elevated, do not post health risks to human or wildlife consumers.
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Affiliation(s)
- J E Revenga
- Centro Regional Universitario Bariloche-CRUB, Universidad Nacional del Comahue, Quintral 1250, 8400 Bariloche, Argentina.
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Oztetik E, Cicek A, Arslan N. Early antioxidative defence responses in the aquatic worms (Limnodrilus sp.) in Porsuk Creek in Eskisehir (Turkey). Toxicol Ind Health 2012; 29:541-54. [PMID: 22514119 DOI: 10.1177/0748233712442734] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Certain oligochaeta specimens have been universally applied as bioindicators to reflect the organic and inorganic pollution in rivers and play a major role in the decomposition of pollutants. The aim of this study was to investigate the water quality in Porsuk Creek in Eskisehir (Turkey) through the specimens from two different species that belong to Limnodrilus genus, using their biomonitoring compatibilities for the accumulated trace element concentrations and to describe the applicability of antioxidative systems as biomarkers of pollution in Tubificinae. Therefore, some parameters that serve as biomarkers for antioxidative defence, total protein, glutathione (GSH) contents and glutathione S-transferase (GST) activities, were determined in Limnodrilus hoffmeisteri and Limnodrilus udekemianus. The study was completed with the chemical analysis of the trace elements from these specimens and also from the water samples. As a conclusion, the observed elevation in GSH levels and GST activities reflect the contribution of oxidative stress in toxicity mechanisms due to the accumulation of trace elements, and the study also suggests a general induction of detoxification metabolisms in the presence of several pollutants in benthic sediment-dwelling worms. According to the average value, the trace element levels for two species are as follows: Fe > Al > Zn > Mn > Pb > Cu > Ni > B > Cd = Cr = Hg. As Porsuk Creek is used for many purposes, such as irrigation, drinking water and fish production, discharges of all types of wastes should be under stringent control to avoid the unwanted health effects to its habitants and to humans.
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Affiliation(s)
- Elif Oztetik
- Department of Biology, Anadolu University, Eskisehir, Turkey.
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Gupta A, Rai DK, Pandey RS, Sharma B. Analysis of some heavy metals in the riverine water, sediments and fish from river Ganges at Allahabad. ENVIRONMENTAL MONITORING AND ASSESSMENT 2009; 157:449-458. [PMID: 18850290 DOI: 10.1007/s10661-008-0547-4] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2008] [Accepted: 09/11/2008] [Indexed: 05/26/2023]
Abstract
The river Ganges has been one of the major recipients of industrial effluents in India. The present paper deals with the study related to occurrence and bioaccumulation of heavy metals (Cu, Cr, Cd, Pb, Zn) in the riverine water, sediment, and the muscles of two cat fish species, Channa punctatus (C. punctatus) and Aorichthys aor (A. aor) procured from the river Ganges at Allahabad. The data obtained after water analysis reflected the order of occurrence of heavy metals to be Zn > Pb > Cu > Cr > Cd, respectively. The analysis of heavy metals in sediment indicated that among the five heavy metals tested; Zn was maximally accumulated followed by Pb, Cr, Cu and Cd. The trend of heavy metals accumulation in fish muscles was found to be similar to that observed in sediment and water such as Zn > Pb > Cu > Cr > Cd. Data indicated that Zn accumulated maximally in the sediment as well as muscles of both of the fish species in comparison to other metals.
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Affiliation(s)
- Aradhna Gupta
- Department of Biochemistry, University of Allahabad, Allahabad, India
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Peralta-Videa JR, Lopez ML, Narayan M, Saupe G, Gardea-Torresdey J. The biochemistry of environmental heavy metal uptake by plants: Implications for the food chain. Int J Biochem Cell Biol 2009; 41:1665-77. [DOI: 10.1016/j.biocel.2009.03.005] [Citation(s) in RCA: 446] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2008] [Revised: 03/12/2009] [Accepted: 03/13/2009] [Indexed: 10/21/2022]
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