Bioaccumulation of Heavy Metals and their Genotoxic Effect on Freshwater Mussel

被引：0
|
作者：
Muhammad Iftikhar Khan
Muhammad Zahoor
Ajmal Khan
Naila Gulfam
Muhammad Khisroon
机构：
[1] University of Peshawar,Department of Zoology
[2] University of Malakand,Department of Chemistry
来源：
Bulletin of Environmental Contamination and Toxicology | 2019年 / 102卷
关键词：
River Kabul; Heavy metals; Bioaccumulation; DNA damage; Freshwater mussel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Contamination of fresh water bodies like riverine system is utmost concerned environmental issue. This study was aimed to assess the concentration of heavy metals in River Kabul and their bioaccumulation by freshwater mussel. Comet assay was used to evaluate the genotoxic effect of heavy metals on hemocytes of freshwater mussel. The concentration of heavy metals in water was in the order of Zn > Pb > Ni > Cu > Mn > Fe > Cr > Cd, in sediments were Fe > Zn > Cr > Ni > Mn > Pb > Cu > Cd and in the soft tissues of freshwater mussel were in order of Fe > Zn > Mn > Pb > Cu > Cr > Ni > Cd. The hemocytes of mussels from polluted sites showed significantly higher (p < 0.05) DNA damage as compared to reference site. The study showed that pollutants from industries, municipal, domestic and agricultural sources cause heavy metals contamination in River Kabul.
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页码：52 / 58
页数：6
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