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Table 3 SFA/UFA ratio, unsaturation index and highly unsaturated fatty acid (HUFA) proportion of GD1 (GD1P) and H. hermesi sampled from their natural environment, GD1 under different conditions of salinity (25 and 34) temperature (16 and 4 °C), and presence of sulphide (NoS = absent and S = presence), and of the E. coli food source

From: Closely related intertidal and deep-sea Halomonhystera species have distinct fatty acid compositions

Treatment—species SFA/UFA Unsaturation index HUFA
GD1P 0.40 (±0.06) 1.12 (±0.07) 4.28 (±0.16)
H. hermesi 0.10 (±0.02) 1.68 (±0.03) 11.78 (±0.88)
GD1 (25–16 °C—NoS) 0.50 0.97 8.52
GD1 (25–4 °C—NoS) 0.29 1.28 12.30
GD1 (25°–16°S) 0.40 1.14 7.97
GD1 (25°–4°S) 0.23 1.31 9.17
GD1 (34–16 °C—NoS) 0.44 1.02 11.02
GD1 (34–4 °C—NoS) 0.19 1.36 8.31
GD1 (34°–16°S) 0.23 1.32 8.37
GD1 (34°–4°S) 0.19 1.33 5.22
E. coli 14.41 0.06 0
  1. SFA proportion of saturated fatty acid, UFA proportion of unsaturated fatty acids, HUFA proportion of highly unsaturated fatty acids defined as unsaturated fatty acids with a chain length ≥20 carbon atoms and ≥3 double bonds