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You searched for: Journal name Bulletin of environmental contamination and toxicology Remove constraint Journal name: Bulletin of environmental contamination and toxicology Subject Oreochromis niloticus Remove constraint Subject: Oreochromis niloticus
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1. Do Manganese and Iron in Association Cause Biochemical and Genotoxic Changes in Oreochromis Niloticus (Teleostei: Cichlidae)?

Author:
Larissa Souza Passos; Gabriel Carvalho Coppo; Tatiana Miura Pereira; Barbara Chisté Teixeira; Alliny Magalhães Bona; Julia Merçon; Taciana Onesorge Miranda Lopes; Adriana Regina Chippari-Gomes
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.4 pp. 708-715
ISSN:
0007-4861
Subject:
DNA damage; Oreochromis niloticus; comet assay; erythrocytes; fish; manganese; micronucleus tests; mutagens; pollution; risk; toxicity
Abstract:
... The present study aimed to evaluate the toxicity of the association between Fe and Mn in Oreochromis niloticus through genotoxic (micronucleus test and comet assay) and biochemical (CAT and GST enzymes) assays. The tested treatments were T1 = control group (without metal addition), T2 = 2.60 mg L⁻¹ of Fe + 0.2 mg L⁻¹ of Mn, and T3 = 4.40 mg L⁻¹ of Fe + 3.49 mg L⁻¹ of Mn, during 96-h bioassays. All ...
DOI:
10.1007/s00128-021-03382-6

2. The Potential Use of Orange and Banana Peels to Minimize the Toxicological Effects of Silver Nanoparticles in Oreochromis Niloticus

Author:
Amr Adel Abdel-Khalek; Aliaa Hamed; Wafaa S.F. Hasheesh
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.5 pp. 985-994
ISSN:
0007-4861
Subject:
Oreochromis niloticus; adsorption; bananas; bioavailability; erythrocyte count; hematocrit; hemoglobin; histology; nanosilver; pollution; toxicity; toxicology
Abstract:
... To evaluate the effectiveness of orange peels (OP) and banana peels (BP) in reducing the toxicity of silver nanoparticles (Ag-NPs), Oreochromis niloticus were exposed to Ag-NPs, Ag-NPs + OP, and Ag-NPs + BP for 24, 48, and 96 h. Time-dependent toxicological impacts of Ag-NPs were recorded. The maximum Ag accumulation was in hepatic and renal tissues after 96 h. A marked decrease in red blood cell ...
DOI:
10.1007/s00128-022-03488-5

3. Biomarkers of Exposure and Effect in Nile Tilapia (Oreochromis niloticus) Environmentally Exposed to Multiple Stressors in Egypt

Author:
Hamada S. Salem; Ahmed E. Hagras; Heba Allah M. El-Baghdady; Ahmed M. El-Naggar
Source:
Bulletin of environmental contamination and toxicology 2021 v.107 no.5 pp. 889-894
ISSN:
0007-4861
Subject:
Oreochromis niloticus; ammonia; biochemical oxygen demand; biomarkers; chemical oxygen demand; drainage channels; gene expression; genes; habitats; hypoxia; liver; nitrates; nitrites; oxidative stress; sugar beet; toxicity; toxicology; water pollution; Egypt; Nile River
Abstract:
... Chemical pollution poses adverse effects on aquatic organisms, including altered gene expression. This study, therefore, investigated the hepatic expression of biomarkers of exposure and effect in Oreochromis niloticus inhabiting the drainage canal of a sugarbeet factory (an industrially polluted habitat) and the Nile River (a reference habitat). Compared to the Nile River, the drainage canal cont ...
DOI:
10.1007/s00128-021-03341-1

4. Evaluation of Nephrotoxicity in Oreochromis niloticus After Exposure to Aluminum Oxide Nanoparticles: Exposure and Recovery Study

Author:
Amr Adel Abdel-Khalek; Saleh Al-Quraishy; Rewaida Abdel-Gaber
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.2 pp. 292-299
ISSN:
0007-4861
Subject:
Oreochromis niloticus; aluminum oxide; antioxidants; biomarkers; blood; catalase; creatinine; dose response; fish; glutathione; histopathology; nephrotoxicity; pollution; renal function; superoxide dismutase; toxicology; uric acid
Abstract:
... Nephrotoxic impacts of Al₂O₃ nanoparticles (NPs) were studied in Oreochromis niloticus after seven days of exposure and fifteen days of recovery periods. Fish were classified as group I (dechlorinated water); group II (2 mg/L Al₂O₃NPs); group III (4 mg/L Al₂O₃NPs); group IV (8 mg/L Al₂O₃NPs). Blood creatinine and uric acid levels showed marked increases in groups III and IV. A dose-dependent distu ...
DOI:
10.1007/s00128-021-03335-z

5. Metal Accumulation and DNA Damage in Oreochromis niloticus and Clarias gariepinus After Chronic Exposure to Discharges of the Batts Drain: Potential Risk to Human Health

Author:
Moussa Attia Moussa; Hanan Ramadan H. Mohamed; Amr Adel Abdel-Khalek
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.6 pp. 1064-1073
ISSN:
0007-4861
Subject:
Clarias gariepinus; DNA damage; Oreochromis niloticus; chronic exposure; diphenylamine; fish; human health; humans; pollution; risk; toxicology
Abstract:
... The present work showed the impact of long-term exposure to the Batts drain’s discharges on O. niloticus and C. gariepinus fish species. The accumulation level of Cu, Zn, Fe, Cd, Pb and Al in five vital tissues was markedly elevated near the Batts drain (site2) compared to the samples from the reference site (site 1). At the same site, C. gariepinus displayed the highest accumulation capacities wh ...
DOI:
10.1007/s00128-022-03512-8

6. An Investigation on Freshwater Fish Oreochromis niloticus (Linnaeus, 1758): Assessing Hemotoxic Effects of Different Copper Compounds Used as Nanomaterial or Pesticide

Author:
Özgür Fırat; Rabia Erol; Özge Fırat
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.3 pp. 549-554
ISSN:
0007-4861
Subject:
NADP-glucose-6-phosphate dehydrogenase; Oreochromis niloticus; aquaculture; biomarkers; catalase; copper sulfate; cupric oxide; erythrocytes; freshwater fish; glutathione; glutathione peroxidase; hematocrit; hemoglobin; industry; leukocytes; malondialdehyde; medicine; oxidative stress; pollution; superoxide dismutase; toxicity; toxicology
Abstract:
... Considering the constant exposure of fish to copper oxide nanoparticles (CuO-NPs) and copper sulphate (CuSO₄) in natural aquatic environments as a result of increased usage of these chemicals in industry, medicine and aquaculture/agriculture over the past few decenniums, the current investigation aimed to reveal their comparative hemotoxic effects on freshwater fish Oreochromis niloticus by measur ...
DOI:
10.1007/s00128-021-03320-6

7. Influence of Fluctuating Water Temperature and Dietary Oxytetracycline on the Safety of Monosex Nile Tilapia Oreochromis niloticus Fries

Author:
Anwesha Roy; T. Jawahar Abraham; R. Beryl Julinta; Jasmine Singha; Satyanarayana Boda; Gadadhar Dash; T. S. Nagesh; Tapas Kumar Sar; Prasanna Kumar Patil
Source:
Bulletin of environmental contamination and toxicology 2021 v.107 no.2 pp. 361-369
ISSN:
0007-4861
Subject:
Oreochromis niloticus; biomass; decline; dose response; feed intake; histopathology; intestines; kidneys; liver; males; mortality; oxytetracycline; pollution; therapeutics; toxicology; water temperature
Abstract:
... The influence of fluctuating water temperature and dietary oxytetracycline (OTC) at 0 (0X), 80 (1X), 240 (3X), 400 (5X) and 800 mg (10X)/kg biomass/day for 30 consecutive days on the safety of monosex (all male) Nile tilapia Oreochromis niloticus fries in terms of feeding, growth, survival and histopathology of vital organs were assessed. A dose-dependent decline in feed intake and biomass was rec ...
DOI:
10.1007/s00128-021-03227-2

8. Silver Nanoparticles Induce Time- and Tissue-Specific Genotoxicity in Oreochromis niloticus: Utilizing the Adsorptive Capacities of Fruit Peels to Minimize Genotoxicity

Author:
Amr Adel Abdel-Khalek; Saleh Al-Quraishy; Rewaida Abdel-Gaber
Source:
Bulletin of environmental contamination and toxicology 2022 v.108 no.2 pp. 300-308
ISSN:
0007-4861
Subject:
DNA damage; Oreochromis niloticus; adsorption; banana peels; bananas; comet assay; energy-dispersive X-ray analysis; fish; fruits; genotoxicity; liver; muscles; mutagens; nanosilver; pollution; water treatment
Abstract:
... Fish were exposed to a sub-lethal concentration of silver nanoparticles with and without orange and banana peels water treatment for 24, 48, and 96 h. The adsorption of AgNPs on both peels was recognized by scanning electron microscopic, energy dispersive X-ray spectroscopy, and laser ablation imaging. The % of DNA damage in liver and muscle tissues (comet assay) showed significant elevations in a ...
DOI:
10.1007/s00128-021-03342-0

9. A Preliminary Survey of Estrogenic Effects in Cultured Adult Male Nile Tilapia (Oreochromis niloticus) in the Seven Lakes of San Pablo City, Philippines

Author:
Clau John A. Mabansag; Michelle Grace V. Paraso; Rocky T. Marcelino; Angelo A. Clavecillas; Ma. Suzanneth Epifania G. Lola
Source:
Bulletin of environmental contamination and toxicology 2019 v.103 no.3 pp. 400-404
ISSN:
0007-4861
Subject:
Leydig cells; Oreochromis niloticus; adults; endocrine-disrupting chemicals; estrogenic properties; farmed fish; fish culture; gonadosomatic index; hepatosomatic index; hyperplasia; lakes; males; spermatogenesis; spermatozoa; surveys; vitellogenin; Philippines
Abstract:
... This study aimed to investigate the impact of estrogenic endocrine disruptors in adult male Nile Tilapia (Oreochromis niloticus) from the Seven Lakes (Bunot, Calibato, Mohicap, Palakpakin, Pandin, Sampaloc and Yambo) of San Pablo City in Laguna, Philippines. Fish were collected from aquaculture operations in each lake from July to September 2017 and examined for plasma vitellogenin (VTG) levels, h ...
DOI:
10.1007/s00128-019-02685-z

10. Acute Toxicity and Risk Assessment of Florfenicol for Nile Tilapia Larvae

Author:
Cristiano Campos Mattioli; Bruna Milke Chiste; Natalia Akemi Takeshita; Claudio Martin Jonsson; Vera Lucia Ferracini; Hamilton Hisano
Source:
Bulletin of environmental contamination and toxicology 2020 v.105 no.5 pp. 721-727
ISSN:
0007-4861
Subject:
Oreochromis niloticus; acute toxicity; antibiotics; biometry; dissolved oxygen; exposure duration; florfenicol; lethal concentration 50; pH; pollution; risk; risk assessment; solvents; weight loss
Abstract:
... The aim of this study was to determine the median lethal concentration (LC₅₀₋₉₆ₕ), effective concentration (EC₅₀₋₉₆ₕ), risk assessment, and development of Nile tilapia Oreochromis niloticus larvae submitted to florfenicol (FF) exposure. Fish (n = 147; 8.6 ± 0.6 mg; 7 fish/aquarium) were randomly distributed in 21 aquaria (1 L) and exposed to five concentrations of FF 58.73; 131.31; 198.96; 241.88 ...
DOI:
10.1007/s00128-020-03013-6

11. Assessment of Hepatotoxicity Induced by Aluminum Oxide Nanoparticles in Oreochromis niloticus Using Integrated Biomarkers: Exposure and Recovery

Author:
Ehab Massoud; Attalla El-Kott; Kareem Morsy; Amr Adel Abdel-Khalek
Source:
Bulletin of environmental contamination and toxicology 2021 v.106 no.6 pp. 970-977
ISSN:
0007-4861
Subject:
Oreochromis niloticus; alanine transaminase; alkaline phosphatase; aluminum oxide; antioxidant biomarkers; aspartate transaminase; catalase; glutathione; glutathione peroxidase; hepatotoxicity; histopathology; liver; necrosis; pollution; superoxide dismutase; toxicology
Abstract:
... The hepatotoxic impacts of 2, 4, and 8 mg/L of Al₂O₃ nanoparticles (31.4 ± 4.8 nm) were evaluated in Oreochromis niloticus after 7 days of exposure and 15 days of recovery periods. The biochemical analysis of aspartate aminotransferase, alanine aminotransferase, and alkaline phosphatase in plasma showed significant increases in both 4 and 8 mg/L Al₂O₃ NPs exposed groups. The antioxidant biomarkers ...
DOI:
10.1007/s00128-021-03190-y

12. Comparative Assessment of Genotoxic Impacts Induced by Zinc Bulk- and Nano-Particles in Nile tilapia, Oreochromis niloticus

Author:
Amr Adel Abdel-Khalek; Kareem Morsy; Ali Shati
Source:
Bulletin of environmental contamination and toxicology 2020 v.104 no.3 pp. 366-372
ISSN:
0007-4861
Subject:
DNA; DNA damage; Oreochromis niloticus; erythrocytes; fish; genotoxicity; gills; lethal concentration 50; liver; muscles; mutagens; nanoparticles; tissues; zinc
Abstract:
... Fish were separately exposed to 1/2 LC50/96 h values of bulk-Zn and nano-Zn for 7, 14, and 28 days. The induction of micronuclei (MN) and other eight nuclear abnormalities in erythrocytes showed marked time and size dependence. The frequencies of all nuclear anomalies were progressively elevated (p < 0.05) with increasing the time of exposure to both bulk-Zn and nano-Zn. Throughout the study perio ...
DOI:
10.1007/s00128-020-02799-9

13. Comparative Acute Toxicity Assessment of Organophosphate and Avermectin Insecticides on a Freshwater Fish Oreochromis niloticus

Author:
Özgür Fırat; Ramazan Tutus
Source:
Bulletin of environmental contamination and toxicology 2020 v.105 no.4 pp. 582-587
ISSN:
0007-4861
Subject:
Oreochromis niloticus; abamectin; acute toxicity; chlorpyrifos; cortisol; freshwater fish; glucose; liver; malondialdehyde; oxidative stress; pollution; toxicology
Abstract:
... Oreochromis niloticus was exposed to 10.0 ppb of organophosphate insecticide chlorpyrifos (CPF) and avermectin insecticides abamectin (ABM) and emamectin benzoate (EB) for 48 and 96 h. RBC and Hb decreased in CPF- and ABM-exposed fish after 96-h. Plasma ALT, AST, cortisol, and glucose increased in 96-h CPF-, ABM- and EB-exposed fish, while plasma ions declined in 96-h CPF-exposed ones. Insecticide ...
DOI:
10.1007/s00128-020-02990-y

14. Oxidative Stress Parameters, Induction of Lipid Peroxidation, and ATPase Activity in the Liver and Kidney of Oreochromis niloticus Exposed to Lead and Mixtures of Lead and Zinc

Author:
Gülbin Firidin
Source:
Bulletin of environmental contamination and toxicology 2018 v.100 no.4 pp. 477-484
ISSN:
0007-4861
Subject:
Oreochromis niloticus; adenosinetriphosphatase; antioxidants; catalase; enzyme activity; fish; glutathione peroxidase; glutathione transferase; glutathione-disulfide reductase; kidneys; lead; lipid peroxidation; liver; oxidative stress; thiobarbituric acid-reactive substances; tissues; zinc
Abstract:
... The purpose of this investigation was to evaluate the effects of lead (Pb) and lead + zinc (Zn) combination on the oxidative stress, total ATPase and Pb accumulation in the tissues of Oreochromis niloticus (Linnaeus, 1758). The fish were exposed to 0.1 mg/L Pb (T1), 1.0 mg/L Pb (T2) and mixtures of 0.1 mg/L Pb and 0.5 mg/L Zn (M1); 1.0 mg/L Pb and 5.0 mg/L Zn (M2) for 7 and 21 days. Pb accumulatio ...
DOI:
10.1007/s00128-018-2281-0

15. The Long-Term Exposure to Discharges of Sabal Drain Induces Genotoxic Effects on Oreochromis niloticus

Author:
Amr Adel Abdel-Khalek; Saad Bin Dajem; Kareem Morsy
Source:
Bulletin of environmental contamination and toxicology 2020 v.104 no.6 pp. 858-863
ISSN:
0007-4861
Subject:
DNA; DNA damage; Oreochromis niloticus; Sabal; chronic exposure; comet assay; fish; liver; mutagens; pollution
Abstract:
... To study the genotoxic impacts of Sabal discharges, three sites around Sabal drain were selected and compared to a reference site (site1). Site2 was at the southern part of the main canal, site3 was at the main canal outlet, and site4 at the northern part of the main canal. Compared to the reference fish, the recorded micronuclei and other nuclear anomalies showed marked (p < 0.05) increases with ...
DOI:
10.1007/s00128-020-02856-3

16. The Chronic Exposure to Discharges of Sabal Drain Induces Oxidative Stress and Histopathological Alterations in Oreochromis niloticus

Author:
Amr Adel Abdel-Khalek; Engy Elhaddad; Samar Mamdouh; Mohamed-Assem Saed Marie
Source:
Bulletin of environmental contamination and toxicology 2018 v.101 no.1 pp. 92-98
ISSN:
0007-4861
Subject:
Oreochromis niloticus; Sabal; catalase; chronic exposure; effluents; enzyme activity; fish; gills; glutathione; glutathione peroxidase; health status; histology; histopathology; kidneys; liver; oxidative stress; superoxide dismutase; thiobarbituric acid-reactive substances
Abstract:
... To study whether the effluents of Sabal drain could affect the health status of Oreochromis niloticus; site2 (south part of main canal), site3 (at the canal outlet), site4 (north part of main canal) and site1 (reference site) were selected. Compared to the reference fish, activities of superoxide dismutase and glutathione peroxidase in addition to glutathione reduced and thiobarbituric acid reacti ...
DOI:
10.1007/s00128-018-2366-9

17. The Impact of Sublethal Concentrations of Treated Leachate on Nile tilápia (Oreochromis niloticus)

Author:
Michel Gallão; Karla G. Gnocchi; Luciano R. Carvalho; Bruno F. Silva; Andressa N. Barbosa; Adriana R. Chippari-Gomes
Source:
Bulletin of environmental contamination and toxicology 2019 v.102 no.4 pp. 519-524
ISSN:
0007-4861
Subject:
DNA damage; Oreochromis niloticus; acute toxicity; alanine transaminase; aquatic environment; aspartate transaminase; biomarkers; comet assay; fish; landfill leachates; leukocytes; mutagens
Abstract:
... The objective of this study was to evaluate the impact of sublethal concentrations of treated landfill leachate on Oreochromis niloticus individuals after exposure for 96 h, by assessing biochemical, genotoxic and immunologic biomarkers. Among biochemical biomarkers (activities of ALT, AST and GST enzymes), the treated landfill leachate did not cause significant alterations on O. niloticus and did ...
DOI:
10.1007/s00128-019-02566-5

18. Bioassessment of the Effluents Discharged from Two Export Oriented Industrial Zones Located in Kelani River Basin, Sri Lanka Using Erythrocytic Responses of the Fish, Nile Tilapia (Oreochromis niloticus)

Author:
C. K. Hemachandra; A. Pathiratne
Source:
Bulletin of environmental contamination and toxicology 2017 v.99 no.4 pp. 481-487
ISSN:
0007-4861
Subject:
DNA damage; Oreochromis niloticus; biological assessment; color; comet assay; cytotoxicity; ecosystems; erythrocytes; fish; genotoxicity; industrial effluents; lead; models; monitoring; mutagens; rivers; waste treatment; watersheds; Sri Lanka
Abstract:
... Complex effluents originating from diverse industrial processes in industrial zones could pose cytotoxic/genotoxic hazards to biota in the receiving ecosystems which cannot be revealed by conventional monitoring methods. This study assessed potential cytotoxicity/genotoxicity of treated effluents of two industrial zones which are discharged into Kelani river, Sri Lanka combining erythrocytic abnor ...
DOI:
10.1007/s00128-017-2156-9

19. Effects of Microcystis on Hypothalamic-Pituitary-Gonadal-Liver Axis in Nile Tilapia (Oreochromis niloticus)

Author:
Jiazhang Chen; Shunlong Meng; Hai Xu; Zhen Zhang; Xiangyang Wu
Source:
Bulletin of environmental contamination and toxicology 2017 v.98 no.4 pp. 562-566
ISSN:
0007-4861
Subject:
Microcystis; Oreochromis niloticus; aquatic environment; blood serum; estradiol; fish; freeze drying; gene expression regulation; genes; males; microcystin-LR; reproduction; somatoliberin; testosterone
Abstract:
... In the present study, Nile tilapia (Oreochromis niloticus) were used to assess the endocrine disruption potential of Microcytis aeruginosa. Male Nile tilapia were exposed to lyophilized M. aeruginosa or purified microcystin-LR (8.3 μg/L) for 28 days. The levels of serum hormones (17β-estradiol and testosterone) and transcripts of selected genes in the hypothalamus-pituitary-gonadal-liver axis were ...
DOI:
10.1007/s00128-017-2051-4

20. Effects of Copper Oxide Nanoparticles on Antioxidant Enzyme Activities and on Tissue Accumulation of Oreochromis niloticus

Author:
Mustafa Tunçsoy; Servet Duran; Özcan Ay; Bedii Cicik; Cahit Erdem
Source:
Bulletin of environmental contamination and toxicology 2017 v.99 no.3 pp. 360-364
ISSN:
0007-4861
Subject:
Oreochromis niloticus; antioxidants; catalase; cupric oxide; enzyme activity; exposure duration; fish; glutathione peroxidase; liver; mortality; muscle tissues; muscles; nanoparticles; superoxide dismutase
Abstract:
... Accumulation of copper oxide nanoparticles (CuO NPs) in gill, liver and muscle tissues of Oreochromis niloticus and its effects on superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities in gill and liver tissues were studied after exposing the fish to 20 µg/L Cu over 15 days. Copper levels and enzyme activities in tissues were determined using spectrophotometric (IC ...
DOI:
10.1007/s00128-017-2129-z