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Table 2 Lipid class and fatty acid composition of salmon head kidney leukocytes (HKLs) in different dietary groups

From: Transcriptome profiling of antiviral immune and dietary fatty acid dependent responses of Atlantic salmon macrophage-like cells

Lipid class % FO7 FO5 p value
 Hydrocarbons 0.76 ± 0.104 0.43 ± 0.177 0.110
 Triacylglycerols 0.83 ± 0.182 1.94 ± 0.641 0.124
 Free fatty acids 0.58 ± 0.162 1.99 ± 0.442 0.012
 Sterols 11.38 ± 0.318 12.51 ± 0.371 0.032
 AMPLa 5.71 ± 0.787 6.06 ± 0.909 0.777
 Phospholipids 80.74 ± 0.816 76.80 ± 1.695 0.044
Fatty acids %b
 14:0 1.17 ± 0.027 0.97 ± 0.030 < 0.0001
 15:0 0.24 ± 0.003 0.22 ± 0.005 0.001
 16:0 18.28 ± 0.189 17.96 ± 0.245 0.314
 16:1n-7 0.77 ± 0.032 0.73 ± 0.050 0.473
 17:0 0.21 ± 0.004 0.21 ± 0.005 0.200
 16:4n-1 2.19 ± 0.289 2.08 ± 0.356 0.814
 18:0 6.36 ± 0.110 6.45 ± 0.149 0.621
 18:1n-9 17.08 ± 0.337 17.81 ± 0.349 0.151
 18:1n-7 3.15 ± 0.031 3.16 ± 0.043 0.840
 18:2n-6 4.58 ± 0.084 4.93 ± 0.142 0.041
 18:3n-6 0.20 ± 0.005 0.27 ± 0.011 < 0.0001
 18:3n-3 0.76 ± 0.025 0.79 ± 0.038 0.568
 18:4n-3 0.26 ± 0.008 0.30 ± 0.023 0.073
 20:1n-9 1.14 ± 0.037 0.98 ± 0.036 0.005
 20:2n-6 0.63 ± 0.020 0.63 ± 0.030 0.922
 20:3n-6 1.57 ± 0.046 1.88 ± 0.078 0.003
 20:4n-6 5.23 ± 0.152 5.67 ± 0.190 0.080
 20:4n-3 0.56 ± 0.017 0.55 ± 0.018 0.739
 20:5n-3 6.37 ± 0.150 5.77 ± 0.131 0.008
 22:1n-11(13) 0.24 ± 0.024 0.32 ± 0.062 0.232
 22:1n-9 0.27 ± 0.051 0.46 ± 0.112 0.131
 22:5n-3 0.74 ± 0.027 0.69 ± 0.023 0.245
 22:6n-3 23.74 ± 0.448 23.00 ± 0.473 0.271
 24:1 0.72 ± 0.024 0.74 ± 0.029 0.450
 Bacterial 1.14 ± 0.047 1.05 ± 0.049 0.196
 Σ SFAc 26.41 ± 0.298 25.94 ± 0.399 0.346
 Σ MUFAd 24.48 ± 0.397 25.25 ± 0.482 0.229
 Σ PUFAe 48.53 ± 0.594 48.28 ± 0.624 0.774
 Σ LC n-3f 31.58 ± 0.551 30.16 ± 0.531 0.080
 Σ LC n-6 7.68 ± 0.171 8.47 ± 0.226 0.012
 LCn-6/ LCn-3 0.24 ± 0.005 0.28 ± 0.007 0.001
 P/S 1.84 ± 0.040 1.87 ± 0.047 0.662
 Σ n-3 33.43 ± 0.583 32.13 ± 0.449 0.098
 DHA/EPA ratio 3.74 ± 0.087 4.00 ± 0.102 0.068
  1. Values are mean ± SE. Bold p values indicate a significant (p < 0.05) difference between groups
  2. aAcetone mobile polar lipids
  3. bData are expressed as area percentage of identified FAME (fatty acid methyl ester), for fatty acids that were present at ≥0.2% of the total
  4. cSaturated fatty acid
  5. dMonounsaturated fatty acid
  6. ePolyunsaturated fatty acid
  7. fLong chain n-3
  8. Other fatty acids present at <0.2%: 15:0, i16:0, 16:1n-5, i17:0, ai17:0, 16:2n-4, 17:1, 18:2n-4, 18:3n-4, 20:0, 20:3n-3, 22:0, 22:5n-6
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BMC Genomics

ISSN: 1471-2164

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