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. 2012 Oct 18;12:235. doi: 10.1186/1471-2180-12-235

Table 3.

Sterol composition according to their RP-HPLC profile of wild-type and cyp61 X.dendrorhous mutant strains (in mg/g dry yeast weight)

 
Strains
  UCD 67-385 385-cyp61(+/−) 385-cyp61(−/−)
Cultivation time (h)
24
72
120
24
72
120
24
72
120
Ergosterol*
4.74±0.53
3.10±0.09
2.24±0.42
3.19±0.48
2.87±0.32
2.91±0.34
ND
ND
ND
Peak 2**
0.23±0.03
0.030±0.003
0.10±0.05
0.62±0.05
0.11±0.03
0.12±0.02
6.34±2.68
2.36±0.74
2.39±0.27
Peak 3***
0.19±0.04
ND
0.09±0.02
0.11±0.01
0.02±0.01
0.01±0.003
1.65±0.84
1.91±0.51
2.20±0.42
Total Sterols
5.16±0.57
3.13±0.09
2.40±0.49
3.96±0.44
2.99±0.35
3.04±0.36
8.14±3.42
4.27±1.24
4.59±0.70
 
Strains
 
 
 
 
CBS 6938
CBS-cyp61(−)
 
 
 
Cultivation time (h)
24
72
120
24
72
120
 
 
 
Ergosterol*
3.31±0.60
2.39±0.56
2.37±0.11
ND
ND
ND
 
 
 
Peak 2**
0.07±0.04
0.06±0.02
0.06±0.01
2.00±0.34
1.24±0.02
1.23±0.04
 
 
 
Peak 3***
0.03±0.001
0.02±0.01
0.03±0.01
2.38±0.29
2.60±0.08
3.05±0.17
 
 
 
Total Sterols
3.45±0.56
2.41±0.59
2.46±0.11
4.38±0.61
3.85±0.1
4.28±0.21
 
 
 
 
Strains
 
 
 
 
AVHN2
AV2-cyp61(−)
 
 
 
Cultivation time (h)
24
72
120
24
72
120
 
 
 
Ergosterol*
1.59±0.62
2.35±0.59
3.27±0.38
ND
ND
ND
 
 
 
Peak 2**
ND
0.04±0.01
0.04±0.01
1.68±0.78
2.10±0.32
1.78±0.13
 
 
 
Peak 3***
ND
ND
ND
1.39±0.82
2.27±0.18
2.39±0.52
 
 
 
Total Sterols 1.59±0.62 2.39±0.59 3.31±0.39 3.16±1.70 4.36±0.49 4.11±0.64      

Table shows the mean values ± standard deviations of three independent experiments. Retention time: *: 18 min; **: 15 min; ***: 22 min. ND: Not detected.