✦ LIBER ✦
Genetic aspects of carbon catabolite repression of the STA2 glucoamylase gene in Saccharomyces cerevisiae
✍ Scribed by Kartasheva, N. N.; Kuchin, S. V.; Benevolensky, S. V.
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 315 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0749-503X
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✦ Synopsis
Three regulatory genes. known to be required for glucose repressionlderepression of some genes in Sacclzaromyces cerevisirrr, were disrupted to study their effects on the carbon-source regulation of the STA? glucoamylase gene expression. Using a STAZ-locZ fusion it was found that: (1) the MIGZ gene is dispensable for the repression of the ST,42 gene; (2) there are two components in the carbon-source repression of STAZ: HXK2-dependent and HXK2-independent; and (3) the HAP2 gene seems to be involved in repression rather than activation of the STAZ expression.