1887

Abstract

Cells of exhibiting respirative glucose metabolism in continuous culture were able to use ethanol as a co-substrate. The ethanol uptake rate was dependent on the residual respirative capacity of the cells. The activities of gluconeogenic enzymes and of malate dehydrogenase were higher in cells degrading glucose respiratively than in cells metabolizing glucose respiro-fermentatively, but were lower than in cells growing on ethanol only. The pattern of distribution of the mitochondrial cytochromes was similar but the differences were less distinct. In synchronously growing cells, the activities of gluconeogenic enzymes and of malate dehydrogenase oscillated, with activities increasing during the budding phase. The increase was preceded by the appearance of ethanol in the culture medium.

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/content/journal/micro/10.1099/00221287-131-6-1411
1985-06-01
2022-07-01
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