Cyclic AMP,fructose-2,6-bisphosphate and catabolite inactivation of enzymes in the hydrocarbon-assimilating yeast Candida maltosa |
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Authors: | E Polnisch K Hofmann |
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Institution: | (1) Sektion Biologie, Ernst-Moritz-Arndt-Universität Greifswald, Friedrich-Ludwig-Jahn-Strasse 15a, DDR-2200 Greifswald, German Democratic Republic |
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Abstract: | The inactivation of fructose-1,6-bisphosphatase, isocitrate lyase and cytoplasmic malate dehydrogenase in Candida maltosa was found to occur after the addition of glucose to starved cells. The concentration of cyclic AMP and fructose-2,6-bisphosphate increased drastically within 30 s when glucose was added to the intact cells of this yeast. From these results it was concluded that catabolite inactivation, with participation of cyclic AMP and fructose-2,6-bisphosphate, is an important control mechanism of the gluconeogenetic sequence in the n-alkane-assimilating yeast Candida maltosa, as described for Saccharomyces cerevisiae. |
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Keywords: | Candida maltosa catabolite inactivation Cyclic AMP Fructose-2 6-bisphosphate |
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