Skip to main content
. 2019 Jan 9;9:3276. doi: 10.3389/fmicb.2018.03276

Table 4.

Cell mass and FAME content in Y. lipolytica transformant YL165-1 cells cultured in moderate and high C/N media with or without a chemical chaperone.

Row no. Media and strains Glucose Cell mass
FAME
Consumed OD600 DCW Yield FAME% Total Yield
g L-1 g L-1 g g-1 sugar DCW basis amount g L-1 mg g-1 sugar
Moderate C/N medium for FAME production at basal level
1 HA1 (EV) 29.2 ± 0.3 21.2 ± 0.7 11.9 ± 0.5 0.41 ± 0.02 27% ± 2% 3.2 ± 0.2 113 ± 9
2 YL165-1 29.3 ± 0.2 19.4 ± 0.8 10.5 ± 0.4 0.36 ± 0.02 15% ± 2%∗∗ 1.5 ± 0.1∗∗ 52 ± 6∗∗
(Statistical analysis: Row 2 vs. row 1)
High C/N ratio medium for FAME production at suboptimal level
3 HA1 (EV) 12.6 ± 0.9 5.1 ± 0.2 3.1 ± 0.1 0.25 ± 0.02 28% ± 1% 0.9 ± 0.1 69 ± 7
4 YL165-1 48.0 ± 1.3∗∗ 16.2 ± 0.6 10.1 ± 0.3 0.21 ± 0.01 34% ± 2% 3.4 ± 0.2∗∗ 71 ± 4∗∗
(Statistical analysis: Row 4 vs. row 2)
High C/N ratio medium + TMAO for FAME production at optimal level
5 HA1 (EV) 16.1 ± 1.1 6.2 ± 0. 2 4.1 ± 0.3 0.26 ± 0.03 24% ± 1% 1.0 ± 0.1 63 ± 8
6 YL165-1 79.9 ± 0.1∗∗ 35.3 ± 1.2∗∗ 21.9 ± 0.5∗∗ 0.27 ± 0.01 27% ± 2% 5.9 ± 0.3∗∗ 74 ± 5
(Statistical analysis: Row 6 vs. row 4)

Data presented as the average of 3 biological replicate samples with SEM. and ∗∗ indicate statistical significance of p < 0.05 and p < 0.01, respectively. DCW, dry cell weight; Glu, glucose. HA1 (EV), parent control strain HA1 transformed with empty vector; TMAO, trim ethylamine N-oxide dehydrate.