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  • 1
    Digitale Medien
    Digitale Medien
    Characterization of a mutant of the yeast Candida maltosa defective in catabolite inactivation of gluconeogenetic enzymes (1990)
    Springer
    Archives of microbiology 154 (1990), S. 514-517 
    Details
    ISSN: 1432-072X
    Schlagwort(e): Candida maltosa ; Mutant ; Pseudohyphal morphology ; Glucose uptake ; Cyclic AMP ; Catabolite inactivation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A spontaneous mutant of the yeast Candida maltosa SBUG 700 was isolated showing pseudohyphal marphology under all growth conditions tested. The C. maltosa PHM mutant takes up glucose with the kinetics of C. maltosa SBUG 700 and starved cells contain the same cyclic AMP concentration. Addition of glucose to the PHM mutant does not result in an increase of the intracellular cyclic AMP level and in catabolite inactivation of fructose-1,6-bisphosphatase, malate dehydrogenase and phosphoenolpyruvate carboxykinase. However, addition of 2,4-dinitrophenol is followed by a rapid, transient increase of the cyclic AMP level in the mutant cells, but not by catabolite inactivation. These results show that a common mechanism might be responsible for catabolite inactivation and glucose-induced cAMP signaling or that glucose-induced cAMP signaling is required for catabolite inactivation in C. maltosa.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00245237
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Cyclic AMP, fructose-2,6-bisphosphate and catabolite inactivation of enzymes in the hydrocarbon-assimilating yeast Candida maltosa (1989)
    Springer
    Archives of microbiology 152 (1989), S. 269-272 
    Details
    ISSN: 1432-072X
    Schlagwort(e): Candida maltosa ; catabolite inactivation ; Cyclic AMP ; Fructose-2,6-bisphosphate
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00409662
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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