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J Bacteriol. 1962 July; 84(1): 31-36
Copyright © 1962, The Williams & Wilkins Company. All Rights Reserved.

PHYSIOLOGICAL CHANGES OCCURRING IN YEAST UNDERGOING GLUCOSE REPRESSION

^a Department of Bacteriology, University of Wisconsin, Madison, Wisconsin

ABSTRACT

MACQUILLAN, ANTHONY M. (The University of Wisconsin, Madison) AND HARLYN O. HALVORSON. Physiological changes occuring in yeast undergoing glucose repression. J. Bacteriol. 84:31–36. 1962.—Growth of the hybrid yeast Saccharomyces fragilis x S. dobzhanskii on glucose or lactate resulted in (i) the possible impairment of a permeation system for succinic acid, (ii) the repression of succinic and isocitric dehydrogenases and ß-glucosidase, and (iii) the induction of isocitratase. The latter two changes were not observed in S. lactis Y14, in which ß-glucosidase synthesis is resistant to glucose repression.

¹ Present address: Division of Applied Biology, National Research Council, Ottawa, Canada.