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Table 2 Fatty acid composition of wild-type strain and â–³PLD2 strain at late stages of fermentation

From: Knockout of a PLD gene in Schizochytrium limacinum SR21 enhances docosahexaenoic acid accumulation by modulation of the phospholipid profile

Fatty acid

120 h

144 h

WT

â–³PLD2

Significance

WT

â–³PLD2

Significance

C14:0

2.96 ± 0.17

2.08 ± 0.14

**

2.83 ± 0.46

1.92 ± 0.07

**

C15:0

1.22 ± 0.30

4.00 ± 0.32

**

1.00 ± 0.05

3.47 ± 0.52

**

C16:0

50.77 ± 0.57

48.81 ± 1.13

**

50.51 ± 0.55

46.54 ± 0.75

**

C17:0

0.56 ± 0.16

2.29 ± 0.25

**

0.46 ± 0.06

2.09 ± 0.27

**

C18:0

1.65 ± 0.03

1.88 ± 0.06

**

1.74 ± 0.12

1.89 ± 0.03

**

EPA

0.42 ± 0.05

0.35 ± 0.02

 

0.57 ± 0.14

0.55 ± 0.12

**

DPA

6.90 ± 0.35

6.64 ± 0.21

**

6.95 ± 0.17

7.06 ± 0.38

*

DHA

32.48 ± 0.69

30.63 ± 0.26

**

32.34 ± 0.35

32.80 ± 0.68

**

Others

3.04 ± 0.13

3.32 ± 0.39

*

3.60 ± 0.86

3.68 ± 0.37

**

SFAs

57.15 ± 1.06

59.06 ± 0.68

**

56.54 ± 0.79

55.91 ± 1.53

**

PUFAs

39.80 ± 1.09

37.62 ± 0.48

**

39.86 ± 0.28

40.41 ± 1.18

**

OCFAs

1.78 ± 0.46

6.29 ± 0.57

**

1.46 ± 0.10

5.56 ± 0.78

**

  1. When p > 0.05, the difference is insignificant; when 0.01 < p < 0.05, the difference is significant and represented by *; when P < 0.01, the difference is extremely significant and represented by **