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  • Title: Heterologous production of α-farnesene in metabolically engineered strains of Yarrowia lipolytica.
    Author: Yang X, Nambou K, Wei L, Hua Q.
    Journal: Bioresour Technol; 2016 Sep; 216():1040-8. PubMed ID: 27347651.
    Abstract:
    Herein, we studied the heterologous production of α-farnesene, a valuable sesquiterpene with various biotechnological applications, by metabolic engineering of Yarrowia lipolytica. Different overexpression vectors harboring combinations of tHMG1, IDI, ERG20 and codon-optimized α-farnesene synthase (OptFS) genes were constructed and integrated into the genome of Y. lipolytica Po1h. The engineered strain produced 57.08±1.43mg/L of α-farnesene corresponding to 20.8-fold increase over the initial production of 2.75±0.29mg/L in the YPD medium in shake flasks. Bioreactor scale-up in PM medium led to α-farnesene concentration of 259.98±2.15mg/L with α-farnesene to biomass ratio of 33.98±1.51mg/g, which was a 94.5-fold increase over the initial production. This first report on α-farnesene synthesis in Y. lipolytica lays a foundation for future research on production of sesquitepenes in Y. lipolytica and other closest yeast species and will potentially contribute in its industrial production.
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