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High-throughput fermentation screening for the yeast Yarrowia lipolytica with real-time monitoring of biomass and lipid production


Because the model yeast Yarrowia lipolytica can synthesize and store lipids in quantities up to 20 % of its dry weight, it is a promising microorganism for oil production at an industrial scale. Typically, optimization of the lipid production process is performed in the laboratory and later scaled up for industrial production. However, the scale-up process can be complicated by genetic modifications that are optimized for one set of growing conditions can confer a less-than-optimal phenotype in a different environment. To address this issue, small cultivation systems have been developed that mimic the conditions in benchtop bioreactors. In this work, we used one such microbioreactor system, the BioLector, to develop high-throughput fermentation procedures that optimize growth and lipid accumulation in Y. lipolytica. Using this system, we were able to monitor lipid and biomass production in real time throughout the culture duration.


Authors: Back, Alexandre; Rossignol, Tristan; Krier, François; Nicaud, Jean-Marc: Dhulster, Pascal

Journal: Microbial Cell Factories (2016), Vol. 15, Issue 1, pp. 1-12


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