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. 1987 Aug;169(8):3521–3524. doi: 10.1128/jb.169.8.3521-3524.1987

Transcriptional regulation of the DAL5 gene in Saccharomyces cerevisiae.

R Rai, F Genbauffe, H Z Lea, T G Cooper
PMCID: PMC212427  PMID: 3301804

Abstract

We demonstrate that the DAL5 gene, encoding a necessary component of the allantoate transport system, is constitutively expressed in Saccharomyces cerevisiae. Its relatively high basal level of expression did not increase further upon addition of allantoin pathway intermediates. However, steady-state DAL5 mRNA levels dropped precipitously when a repressive nitrogen source was provided. These control characteristics of DAL5 expression make this gene a good model with which to unravel the mechanism of nitrogen catabolite repression. Its particular advantage relative to other potentially useful genes derives from its lack of control by induction and hence the complicating effects of inducer exclusion.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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