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. 2023 Feb 28;11:1106566. doi: 10.3389/fbioe.2023.1106566

FIGURE 3.

FIGURE 3

Qualitative determination of the hydrophobic molecule content of engineered yeast. (A, B): Fluorescence intensity [-] at Ex/Em 515/583 nm (A), 550/638 nm (B) of Nile red-stained cell suspensions of the reference strain (Ref), and the two betulinic acid-producing strains BA6 and BA6∆ sampled from a batch cultivation during growth on glucose (I) and after the diauxic shift during growth on ethanol (II). The OD600 of all samples was adjusted to 1. (C) Triterpenoid yield [mg/gCDW] of the reference strain (Ref) and the two betulinic acid-producing strains BA6 and BA6∆ sampled from a batch cultivation during growth on glucose (I) and after the diauxic shift during growth on ethanol (II).