PMID: 8594417Jul 19, 1995Paper

Comparative study of DNA adducts levels in white sucker fish (Catostomus commersoni) from the basin of the St. Lawrence River (Canada)

Molecular and Cellular Biochemistry
C el AdlouniG G Poirier

Abstract

The levels of DNA adducts in the hepatic tissue of the white sucker fish species Catostomus commersoni were determined by 32P-postlabelling. The fish were caught at four sites: two sites near the city of Windsor (Québec, Canada) on the St. François River, a downstream tributary of the St. Lawrence River, and two sites in the St. Lawrence River itself, near the city of Montréal (Québec, Canada). The latter sites are known to be contaminated by many pollutants including polycyclic aromatic hydrocarbons. Total adduct levels in all fish ranged from 25.1-178.0 adducts per 10(9) nucleotides. White sucker from the selected sites of the St. Lawrence River had a significantly higher mean level of DNA adducts than those of the St. François River (129.4 vs 56.8, respectively). These results suggest that the effluents of many heavy industries (e.g. from a Soderberg aluminium plant) flowing in the St. Lawrence River are more likely to produce genotoxic damage to fish than those released in one of its tributary, and mainly associated to the activities of a small town and a nearby pulp and paper mill.

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Citations

May 26, 2004·Ecotoxicology and Environmental Safety·V L MariaM A Santos
Jul 22, 1998·Mutation Research·I Wirgin, J R Waldman
Feb 1, 2003·Environmental Toxicology and Pharmacology·Ron van der OostNico P E Vermeulen
Jun 16, 2004·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·Endre AasLennart Balk
Jan 1, 1997·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals·W Pfau
Jan 1, 1997·Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals· Shu-Xin Qu Cheng-Long Bai And Neill H Stacey
Jun 1, 2000·Ecotoxicology and Environmental Safety·G Ericson, A Larsson
Jan 2, 2020·Genes and Environment : the Official Journal of the Japanese Environmental Mutagen Society·Pei-Hsin ChouYi-Po Yeh

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