Toxicity assessment of lead, nickel and cadmium on zebra fish augmented with Bacillus xiamenensis VITMSJ3: An insight on the defense mechanism against oxidative stress due to heavy metals
Increased urbanization in recent years has let to discharge of heavy metals into the environment which has caused severe impacts on soil as well as water. Therefore the current study was aimed to assess the toxicity of lead (Pb), nickel (Ni), and cadmium (Cd) from the contaminated water using zebra...
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| Veröffentlicht in: | Food and chemical toxicology 2023-07, Vol.177, p.113830-113830, Article 113830 |
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| creator | Wagh, Mrunal S. Osborne, W. Jabez Sivarajan, Saravanan |
| description | Increased urbanization in recent years has let to discharge of heavy metals into the environment which has caused severe impacts on soil as well as water. Therefore the current study was aimed to assess the toxicity of lead (Pb), nickel (Ni), and cadmium (Cd) from the contaminated water using zebra fish Danio rerio and detoxification of metals upon augmentation with Bacillus xiamenensis. Exposure doses till 150 mg L−1 of Pb, Ni and Cd in water showed lethal effects on fish. Similarly the histopathological analysis showed severe tissue disruption in the gills and liver which were less upon supplementation with bacterial strain VITMSJ3. On the 20th day, the uptake concentration of Pb, Ni and Cd in zebra fish was found to be 87 mg L−1, 89 mg L−1 and 91 mg L−1 respectively with VITMSJ3, from the water. Antioxidant enzymatic activities showed an increase upon bacterial supplementation, which reduced the oxidative stress. Further SEM-EDAX analysis confirmed the presence of Pb, Ni and Cd ions adsorbed on the gills. The results clearly showed less oxidative damages in fish with increased head and reduced tail%. Overall, the results showed a significant difference (p |
| doi_str_mv | 10.1016/j.fct.2023.113830 |
| format | Article |
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Jabez</au><au>Sivarajan, Saravanan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Toxicity assessment of lead, nickel and cadmium on zebra fish augmented with Bacillus xiamenensis VITMSJ3: An insight on the defense mechanism against oxidative stress due to heavy metals</atitle><jtitle>Food and chemical toxicology</jtitle><addtitle>Food Chem Toxicol</addtitle><date>2023-07</date><risdate>2023</risdate><volume>177</volume><spage>113830</spage><epage>113830</epage><pages>113830-113830</pages><artnum>113830</artnum><issn>0278-6915</issn><eissn>1873-6351</eissn><abstract>Increased urbanization in recent years has let to discharge of heavy metals into the environment which has caused severe impacts on soil as well as water. Therefore the current study was aimed to assess the toxicity of lead (Pb), nickel (Ni), and cadmium (Cd) from the contaminated water using zebra fish Danio rerio and detoxification of metals upon augmentation with Bacillus xiamenensis. Exposure doses till 150 mg L−1 of Pb, Ni and Cd in water showed lethal effects on fish. Similarly the histopathological analysis showed severe tissue disruption in the gills and liver which were less upon supplementation with bacterial strain VITMSJ3. On the 20th day, the uptake concentration of Pb, Ni and Cd in zebra fish was found to be 87 mg L−1, 89 mg L−1 and 91 mg L−1 respectively with VITMSJ3, from the water. Antioxidant enzymatic activities showed an increase upon bacterial supplementation, which reduced the oxidative stress. Further SEM-EDAX analysis confirmed the presence of Pb, Ni and Cd ions adsorbed on the gills. The results clearly showed less oxidative damages in fish with increased head and reduced tail%. Overall, the results showed a significant difference (p < 0.05) among the treatments compared with the control.
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| ispartof | Food and chemical toxicology, 2023-07, Vol.177, p.113830-113830, Article 113830 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Antioxidant Augmentation Bacteria Cadmium - toxicity Defense Mechanisms Histopathology Lead - toxicity Metals, Heavy - toxicity Nickel - toxicity Oxidative Stress Urbanization Zebrafish |
| title | Toxicity assessment of lead, nickel and cadmium on zebra fish augmented with Bacillus xiamenensis VITMSJ3: An insight on the defense mechanism against oxidative stress due to heavy metals |
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