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J Bacteriol. 1968 May; 95(5): 1727-1731
Copyright © 1968 American Society for Microbiology. All Rights Reserved.
1 Department of Biological Sciences, State University of New York, Stony Brook, New York 11790
ABSTRACT
The inducible galactose transport system in bakers' yeast carries out the facilitated diffusion of the nonmetabolized galactose analogues D-fucose and L-arabinose. This capacity depends on the activity of the Ga 2 gene. In some strains, D-fucose and L-arabinose are also gratuitous inducers. Mutants in which the inducibility of the galactose pathway enzymes is altered show a parallel alteration of the inducibility of the galactose transport system.
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