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Total biosynthesis of the cyclic AMP booster for skolin from Coleus forskohlii
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2017 (English)In: eLIFE, E-ISSN 2050-084X, Vol. 6, e23001Article in journal (Refereed) Published
Abstract [en]

Forskolin is a unique structurally complex labdane-type diterpenoid used in the treatment of glaucoma and heart failure based on its activity as a cyclic AMP booster. Commercial production of forskolin relies exclusively on extraction from its only known natural source, the plant Coleus forskohlii, in which forskolin accumulates in the root cork. Here, we report the discovery of five cytochrome P450s and two acetyltransferases which catalyze a cascade of reactions converting the forskolin precursor 13R-manoyl oxide into forskolin and a diverse array of additional labdane-type diterpenoids. A minimal set of three P450s in combination with a single acetyl transferase was identified that catalyzes the conversion of 13R-manoyl oxide into forskolin as demonstrated by transient expression in Nicotiana benthamiana. The entire pathway for forskolin production from glucose encompassing expression of nine genes was stably integrated into Saccharomyces cerevisiae and afforded forskolin titers of 40 mg/L.

Place, publisher, year, edition, pages
ELIFE SCIENCES PUBLICATIONS LTD , 2017. Vol. 6, e23001
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Biomedical Laboratory Science/Technology
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URN: urn:nbn:se:kth:diva-206294DOI: 10.7554/eLife.23001ISI: 000398905500001OAI: oai:DiVA.org:kth-206294DiVA: diva2:1093580
Note

QC 20170508

Available from: 2017-05-08 Created: 2017-05-08 Last updated: 2017-05-08Bibliographically approved

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Hallström, Björn M.
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Science for Life Laboratory, SciLifeLab
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