
Per Mercke
Patent advisor

Production of the artemisinin precursor amorpha-4,11-diene by engineered Saccharomyces cerevisiae
Author
Summary, in English
The gene encoding for amorpha-4,11-diene synthase from Artemisia annua was transformed into yeast Saccharomyces cerevisiae in two fundamentally different ways. First, the gene was subcloned into the galactose-inducible, high-copy number yeast expression vector pYeDP60 and used to transform the Saccharomyces cerevisiae strain CEN.PK113-5D. Secondly, amorpha-4,11-diene synthase gene, regulated by the same promoter, was introduced into the yeast genome by homologous recombination. In protein extracts from galactose-induced yeast cells, a higher activity was observed for yeast expressing the enzyme from the plasmid. The genome-transformed yeast grows at the same rate as wild-type yeast while plasmid-carrying yeast grows somewhat slower than the wild-type yeast. The plasmid and genome-transformed yeasts produced 600 and 100 microg/l of the artemisinin precursor amorpha-4,11-diene, respectively, during 16-days' batch cultivation.
Publishing year
2006-04
Language
English
Pages
80-571
Publication/Series
Biotechnology Letters
Volume
28
Issue
8
Document type
Journal article
Publisher
Springer
Keywords
- Alkyl and Aryl Transferases/genetics
- Artemisia annua/enzymology
- Artemisinins/chemistry
- Blotting, Western
- Gas Chromatography-Mass Spectrometry
- Genetic Engineering/methods
- Genome, Fungal/genetics
- Molecular Structure
- Plasmids/genetics
- Polyisoprenyl Phosphates/chemistry
- Recombination, Genetic
- Saccharomyces cerevisiae/genetics
- Sesquiterpenes/chemistry
- Transformation, Genetic
Status
Published
ISBN/ISSN/Other
- ISSN: 0141-5492