Cloned ß-galactosidase gene ofEscherichia coliis expressed in the yeastSaccharomyces cerevisiae
✍ Scribed by Jean-Jacques Panthier; Philippe Fournier; Henri Heslot; Alain Rambach
- Publisher
- Springer-Verlag
- Year
- 1980
- Tongue
- English
- Weight
- 441 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0172-8083
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✦ Synopsis
The expression of the lacZ gene of E. coli in S. cerevisiae has been studied. The enzymatic activity coded by the lacZ gene in E. coli, β-galactosidase, is detectable in yeast cells harboring a chimeric plasmid carrying the gene. On the basis of size and immunological criteria, no difference was detected between the Coli-in-yeast β-galactosidase and the E. coli enzyme.
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The molecular cloning of an alpha-glucosidase gene isolated from a Candida tsukubaensis (CBS 6389) genomic library in Saccharomyces cervisiae is reported. The cloned gene is contained within a 6.2 kb Sau3A DNA fragment and directs the synthesis and secretion of an amylolytic enzyme into the extracel