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Table 3 Cellular sterol composition

From: The effect of hypoxia on the lipidome of recombinant Pichia pastoris

Culture conditions

µg sterol/mg total protein

Squalene

Lanosterol

Ergostadienol

4-Methyl zymosterol

Zymosterol

Fecosterol

Episterol

Ergosterol

Normoxia

n.d.

n.d.

n.d.

0.89 ± 0.36

0.75 ± 0.44

n.d.

0.17 ± 0.05

8.84 ± 1.98

Hypoxia

n.d.

0.14 ± 0.00

n.d.

0.80 ± 0.18

0.52 ± 0.23

n.d.

0.38 ± 0.19

6.21 ± 1.20

Fluconazole

n.d.

1.39 ± 0.51*

0.21 ± 0.06

n.d.

0.10 ± 0.05

0.78 ± 0.39

0.18 ± 0.05

6.43 ± 1.24

Fluconazole + hypoxia

0.18 ± 0.07

5.06 ± 0.57*†

0.77 ± 0.35

n.d.

0.58 ± 0.41

0.90 ± 0.25

0.94 ± 0.47*†

7.71 ± 1.54

  1. Sterol composition of cells growing under normoxic or hypoxic conditions, in the presence or absence of fluconazole
  2. n.d. not detectable. Values represent the mean ± SD of triplicates
  3. * p < 0.05 for the t tests compared to the normoxia culture
  4. † p < 0.05 for the t tests compared to fluconazole culture