Metabolic engineering of Escherichia coli for limonene and perillyl alcohol production

Jorge Alonso-Gutierrez, Rossana Chan, Tanveer S Batth, Paul D Adams, Jay D Keasling, Christopher J Petzold, Taek Soon Lee

241 Citations (Scopus)

Abstract

Limonene is a valuable monoterpene used in the production of several commodity chemicals and medicinal compounds. Among them, perillyl alcohol (POH) is a promising anti-cancer agent that can be produced by hydroxylation of limonene. We engineered E. coli with a heterologous mevalonate pathway and limonene synthase for production of limonene followed by coupling with a cytochrome P450, which specifically hydroxylates limonene to produce POH. A strain containing all mevalonate pathway genes in a single plasmid produced limonene at titers over 400mg/L from glucose, substantially higher than has been achieved in the past. Incorporation of a cytochrome P450 to hydroxylate limonene yielded approximately 100mg/L of POH. Further metabolic engineering of the pathway and in situ product recovery using anion exchange resins would make this engineered E. coli a potential production platform for any valuable limonene derivative.
Original languageEnglish
JournalMetabolic Engineering
Volume19
Pages (from-to)33-41
Number of pages9
ISSN1096-7176
DOIs
Publication statusPublished - Sept 2013
Externally publishedYes

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