Catabolite repression of amylase synthesis in yeast.
Amylase synthesis by the yeasts Saccharomycopsis fibuligera and Schwanniomyces castellii and alluvius is repressed by glucose. Steady state continuous culture data for amylase activity, E, biomass concentration, X, and reducing sugar concentration, S, were fitted to the three-parameter catabolite repression model E/X = [1 + a(S/X)]/[1 + b(S/X)], and biomass productivity, DX, and amylase productivity, DE, were determined for S. castellii and S. alluvius.
Pasari
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Department of Chemical Engineering, University of Idaho, Moscow, Idaho 83843, USA.
Korus
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Williams
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Heimsch
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