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.
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 |
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 |
Google Analytic Metrics | Metrics page |