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Epidemiological studies have shown that consumption of cruciferous vegetables, such as, broccoli and cabbages, is associated with a reduced risk of developing cancer. This phenomenon has been attributed to specific glucosinolates among the ∼30 glucosinolates that are typically present as natural products characteristic of cruciferous plants. Accordingly, there has been a strong interest to produce these compounds in microbial cell factories as it will allow production of selected beneficial glucosinolates. We have developed a versatile platform for stable expression of multi-gene pathways in the yeast, Saccharomyces cerevisiae. Introduction of the seven-step pathway of indolylglucosinolate from Arabidopsis thaliana to yeast resulted in the first successful production of glucosinolates in a microbial host. The production of indolylglucosinolate was further optimized by substituting supporting endogenous yeast activities with plant-derived enzymes. Production of indolylglucosinolate serves as a proof-of-concept for our expression platform, and provides a basis for large-scale microbial production of specific glucosinolates for the benefit of human health.
Original languageEnglish
JournalMetabolic Engineering
Publication date2012
Volume14
Issue2
Pages104-111
ISSN1096-7176
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 15

Keywords

  • Glucosinolates, Yeast expression platform, Pathway engineering, Natural products, Biosynthetic pathway
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