REPRESSION OF GALACTOSE UTILIZATION BY GLUCOSE IN THE CITRATE-PRODUCING YEAST CANDIDA-GUILLIERMONDII

N A GUTIERREZ, I A MCKAY, C E FRENCH, J D BROOKS, I S MADDOX, Chris French

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Abstract

A strain of the yeast Candida guilliermondii has been shown to produce citric acid from galactose to a similar extent, and at a similar rate, as from glucose. At an initial concentration of 36 g/l of either glucose or galactose, citric acid production exceeds 13 g/l. When galactose and glucose are present in a mixture, however, galactose utilization is delayed until most of the glucose has been utilized, providing evidence for catabolite repression.

Original languageEnglish
Pages (from-to)143-146
Number of pages4
JournalJournal of industrial microbiology
Volume11
Issue number3
Publication statusPublished - May 1993

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