Optimization of C16 and C18 fatty alcohol production by an engineered strain of Lipomyces starkeyi

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Abstract

The oleaginous yeast Lipomyces starkeyi was engineered for the production of long-chain fatty alcohols by expressing a fatty acyl-CoA reductase, mFAR1, from Mus musculus. The optimal conditions for production of fatty alcohols by this strain were investigated. Increased carbon-to-nitrogen ratios led to efficient C16 and C18 fatty alcohol production from glucose, xylose and glycerol. Batch cultivation resulted in a titer of 1.7 g/L fatty alcohol from glucose which represents a yield of 28 mg of fatty alcohols per gram of glucose. This relatively high level of production with minimal genetic modification indicates that L. starkeyi may be an excellent host for the bioconversion of carbon-rich waste streams, particularly lignocellulosic waste, to C16 and C18 fatty alcohols.

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McNeil, B. A., & Stuart, D. T. (2018). Optimization of C16 and C18 fatty alcohol production by an engineered strain of Lipomyces starkeyi. Journal of Industrial Microbiology and Biotechnology, 45(1), 1–14. https://doi.org/10.1007/s10295-017-1985-1

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