Selenium as Inducer of Glutathione Peroxidase in low-CO(2)-Grown Chlamydomonas reinhardtii |
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| Authors: | Yokota A Shigeoka S Onishi T Kitaoka S |
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| Affiliation: | Department of Agricultural Chemistry, University of Osaka Perfecture, Sakai, Osaka 591, Japan. |
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| Abstract: | Culture of the green alga Chlamydomonas reinhardtii in the medium containing sodium selenite caused the activity of ascorbate peroxidase to disappear and the appearance of glutathione peroxidase. The induced maximum activity of glutathione peroxidase reached 350 micromole (milligram chlorophyll hour)−1 under assay conditions used. The enzymic properties of the selenite-induced glutathione peroxidase closely resembled those of animal glutathione peroxidase that contains selenium. |
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