The binding of selenium to the lipids of two unicellular marine algae |
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Authors: | JM Gennity Nestor R Bottino Ralph A Zingaro Andrew E Wheeler Kurt J Irgolic |
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Institution: | 1. Department of Biochemistry and Biophysics Texas A&M University, College Station, Texas 77843 USA;2. the Department of Chemistry Texas A&M University, College Station, Texas 77843 USA |
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Abstract: | Axenic cultures of the green algae and red algae were grown in the presence of sublethal quantities of selenite. All purified lipids from both algae were found to contain bound selenium, except for saturated hydrocarbons. Of the lipids which contain selenium, carotenoid pigments contain the greatest concentrations. Lipid-associated selenium is not metabolically incorporated. The selenium is probably non-covalently bound to the lipids. |
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Keywords: | To whom correspondence should be addressed |
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