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Table 3 Fatty acid profiles of R. toruloides during early exponential phase and lipid accumulation phase following batch cultivation in medium containing either glucose or xylose (presented as percentage of total identified, average ± standard deviation)

From: Proteome analysis of xylose metabolism in Rhodotorula toruloides during lipid production

  t0 t1 t2 t3
  Glc = Xyl Xylose Glucose Xylose Glucose Xylose Glucose
C14:0 0.98 ± 0.25 1.03 ± 0.26 0.91 ± 0.03 1.23 ± 0.09 1.25 ± 0.05 1.28 ± 0.04 1.1 ± 0.07
C16:0 14.35 ± 1.9 17.91 ± 2.5 17.16 ± 0.01 26.63 ± 0.22 25.76 ± 0.24 26.73 ± 0.26 25.55 ± 0.3
C16:1 1.39 ± 0.28 0.96 ± 0.1 0.51 ± 0.02 0.98 ± 0.05 0.53 ± 0.01 1.00 ± 0.04 0.57 ± 0.05
C17:0 n.d. 0.76 ± 0.13 n.d. n.d. n.d. n.d. n.d.
C17:1 0.75 ± 0.18 n.d. n.d. n.d. n.d. n.d. n.d.
C18:0 3.84 ± 0.44 5.55 ± 0.57 7.63 ± 0.5 8.11 ± 0.28 9.31 ± 0.19 7.73 ± 0.22 7.83 ± 0.56
C18:1 (n − 9) 66.66 ± 2.28 46.27 ± 3.05 36.99 ± 1.3 45.26 ± 0.5 47.23 ± 0.61 45.07 ± 0.7 47.25 ± 1.06
C18:2 (n − 6) 6.62 ± 0.33 20.36 ± 4.16 23.56 ± 0.71 13.51 ± 0.69 11.58 ± 0.5 13.83 ± 0.57 13.06 ± 0.68
C18:3 (n − 3) 3.38 ± 0.86 5.74 ± 1.9 11.25 ± 0.98 2.78 ± 0.15 2.94 ± 0.22 2.99 ± 0.19 3.01 ± 0.25
C24:0 0.9 ± 0.01 1.15 ± 0.13 0.66 ± 0.05 0.73 ± 0.05 0.76 ± 0.02 0.67 ± 0.05 0.91 ± 0.13
Avg length 17.4891 17.5942 17.4104 17.3038 17.3546 17.3084 17.3586
Avg desaturation 0.9218 1.0517 1.1837 0.816 0.7974 0.827 0.8297
  1. Samples were collected at the beginning of cultivation (t0) as well as during early exponential phase (t1), late exponential phase (t2) and lipid production phase (t3). Polyunsaturated fatty acids were counted for the number of unsaturations according to [18]
  2. n.d. not detected