Induction of glycolate oxidase by SO2 in Nicotiana tabacum |
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| Authors: | Gian Franco Soldatini Irmgard Ziegler |
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| Affiliation: | Institut für Botanik der Technischen Universität, and Institut für Biochemie der Gesellschaft für Strahlen- und Umweltforschung, München, W. Germany |
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| Abstract: | In contrast to the inhibitory action of sulfite on glycolate oxidase, the specific activity of the enzyme in tobacco leaves exposed to SO2 for 18 hr increases in proportion to the SO2 concentration. This increase is strongly reduced by pretreatment with cycloheximide. As a consequence of induced de novo synthesis of glycolate oxidase the glycolate content of the leaves is markedly reduced after 18 hr exposure to SO2. |
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| Keywords: | tobacco glycolate glycolate oxidase enzyme induction. |
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