Selenium concentrations and enzyme activities of glutathione metabolism in wild long-tailed ducks and common eiders
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Abstract
The relationships of selenium (Se) concentrations in whole blood with plasma activities of total glutathione peroxidase, Se-dependent glutathione peroxidase, and glutathione reductase were studied in long-tailed ducks (Clangula hyemalis) and common eiders (Somateria mollissima) sampled along the Beaufort Sea coast of Alaska, USA. Blood Se concentrations were >8 μg/g wet weight in both species. Linear regression revealed that the activities of total and Se-dependent glutathione peroxidase were significantly related to Se concentrations only in long-tailed ducks, raising the possibility that these birds were experiencing early oxidative stress.
Suggested Citation
Franson, J., Hoffman, D.J., Flint, P.L., 2011, Selenium concentrations and enzyme activities of glutathione metabolism in wild long-tailed ducks and common eiders: Environmental Toxicology and Chemistry, v. 30, no. 6, p. 1479-1481, https://doi.org/10.1002/etc.522.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Selenium concentrations and enzyme activities of glutathione metabolism in wild long-tailed ducks and common eiders |
| Series title | Environmental Toxicology and Chemistry |
| DOI | 10.1002/etc.522 |
| Volume | 30 |
| Issue | 6 |
| Publication Date | June 01, 2011 |
| Year Published | 2011 |
| Language | English |
| Publisher | Society of Environmental Toxicology and Chemistry |
| Contributing office(s) | Alaska Science Center, National Wildlife Health Center, Patuxent Wildlife Research Center, Contaminant Biology Program |
| Description | 3 p. |
| First page | 1479 |
| Last page | 1481 |
| Country | United States |
| State | Alaska |
| City | Prudhoe Bay |
| Other Geospatial | Spy Islands to Brownlow Point |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |