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Table 4 Carotenoid composition of wild-type and cyp61 X . dendrorhous mutant strain (in ppm)

From: Enhancement of carotenoid production by disrupting the C22-sterol desaturase gene (CYP61) in Xanthophyllomyces dendrorhous

 

Strains

 

UCD 67-385

385-cyp61(+/−)

385-cyp61(−/−)

Cultivation time (h)

24

72

120

24

72

120

24

72

120

Astaxanthin

52.6±22.3

26.3±2.7

224.0±42.1

89.1±13.4

34.9±5.1

223.7±8.6

126.5±31.0

49.8±18.2

434.7±56.2

Phoenicoxanthin

ND

ND

ND

ND

ND

ND

ND

ND

ND

Cantaxanthin

ND

ND

13.4±3.3

ND

ND

ND

ND

ND

ND

HO-keto-γ-carotene

ND

1.0±0.5

ND

ND

1.9±0.3

ND

ND

2.2±1.3

ND

HO-keto-torulene

2.6±1.1

1.1±0.2

30.1±6.7

ND

ND

35.5±1.0

ND

ND

62.1±7.3

Keto-γ-carotene

8.0±4.9

2.7±1.4

7.8±1.9

ND

1.2±0.6

9.7±1.0

ND

5.7±2.9

21.4±7.9

HO-echinenone

1.8±0.6

1.2±0.9

2.6±0.5

ND

2.6±0.5

9.2±0.4

ND

3.6±1.6

15.6±4.4

Echinenone

ND

ND

2.0±0.4

ND

ND

ND

ND

ND

ND

Lycopene

4.0±2.0

ND

ND

ND

1.4±0.7

1.1±1.0

ND

4.3±1.9

ND

γ-carotene

ND

0.2±0.03

2.7±0.5

ND

ND

ND

ND

0.8±0.4

ND

β-carotene

1.1±0.5

0.8±0.3

2.7±1.1

ND

1.7±1.0

6.3±0.8

ND

4.8±3.5

15.8±9.1

Total carotenoids

70.7±26.9

36.1±8.6

290.1±53.4

89.1±13.4

47.6±7.1

293.7±9.1

126.5±31.0

78.2±26.2

555.1±75.2

 

Strains

   
 

CBS 6938

CBS - cyp61 (−)

   

Cultivation time (h)

24

72

120

24

72

120

   

Astaxanthin

32.1±11.2

202.0±17.7

324.2±6.7

62.8±5.4

313.5±24.1

429.3±26.5

   

Phoenicoxanthin

13.7±8.0

8.1±2.1

ND

ND

ND

ND

   

Cantaxanthin

ND

ND

ND

ND

ND

ND

   

HO-keto-γ-carotene

2.9±1.4

9.5±0.6

ND

2.7±2.0

ND

12.2±10.5

   

HO-keto-torulene

ND

20.1±3.6

25.6±12.4

ND

76.4±8.3

72.8±18.0

   

Keto-γ-carotene

9.8±4.6

32.8±4.6

29.8±0.45

7.1±0.8

50.2±3.5

33.0±2.97

   

HO-echinenone

1.4±0.8

21.9±5.2

15.7±0.6

3.9±0.1

24.1±1.6

18.8±1.0

   

Echinenone

ND

ND

ND

ND

ND

ND

   

Lycopene

16.0±1.3

ND

ND

11.9±4.9

3.2±0.5

2.9±0.1

   

γ-carotene

2.4±2.0

7.3±1.6

7.6±0.5

ND

8.8±0.2

15.3±1.7

   

β-carotene

0.4±0.2

33.2±6.8

20.4±0.7

1.8±1.2

41.8±4.2

31.2±1.4

   

Total carotenoids

78.9±21.3

347.2±36.9

453±11.1

91.9±7.44

530.3±21.4

625.8±22.9

   
 

Strains

   
 

AVHN2

AV2 - cyp61 (−)

   

Cultivation time (h)

24

72

120

24

72

120

   

Astaxanthin

15.2±0.8

116.5±7.0

131.8±20.6

16.3±6.1

118.0±59.2

143.0±64.8

   

Phoenicoxanthin

ND

ND

ND

ND

ND

ND

   

Cantaxanthin

ND

ND

ND

ND

ND

ND

   

HO-keto-γ-carotene

ND

20.0±1.2

17.9±2.8

ND

25.3±7.8

36.8±16.7

   

HO-keto-torulene

0.7±0.4

27.0±10.4

21.1±2.6

1.1±0.9

62.8±22.3

40.6±9.9

   

Keto-γ-carotene

3.0±1.07

ND

ND

1.7±0.7

13.1±9.25

ND

   

HO-echinenone

2.1±0.6

10.9±5.7

9.9±0.9

ND

9.3±7.3

13.6±2.6

   

Echinenone

ND

ND

ND

ND

ND

ND

   

Lycopene

1.4±1.0

ND

ND

ND

4.0±2.5

ND

   

γ-carotene

ND

0.8±0.1

ND

ND

2.2±1.7

1.1±0.9

   

β-carotene

1.0±0.5

19.7±12.0

12.0±2.9

1.9±0.9

25.4±7.6

20.4±4.7

   

Total carotenoids

24.9±2.8

195.3±33.7

193.4±19.0

25.0±6.9

274.6±24.1

258.6±76.7

   
  1. Table shows the mean values ± standard deviations of three independent experiments.
  2. ND: Not detected.