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Expression of the Saccharomyces cerevisiae nuclear gene CYB2 encoding the mitochondrial enzyme L-(+)-lactate-cytochrome c oxidoreductase (EC 1.2.2.3) is subject to several strict metabolic controls at the transcriptional level: repression due to glucose fermentation, derepression by ethanol, induction by lactate and inhibition under anaerobic conditions or(More)
Heme is of great importance in oxygen-dependent biological functions, since it serves as a prosthetic group for many proteins related to oxygen-binding, oxidative damage prevention and electron transport. It also regulates gene expression through the action of specific transcriptional regulatory factors. In this paper, we present an analysis of(More)
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