Table 2.

Degree of saturation (saturated/unsaturated ratio), average acyl chain length (numbers of C atoms), andcis/trans ratio of fatty acids inRhodococcus sp. strain Q15 cells grown on different carbon sources at 24 or 5°C

Carbon sourceTemp (°C)Degree of satu-ration (saturated/ unsaturated ratio)24°C/5°C ratio of saturationAverage acyl chain lengthcis/trans ratioa
Glucose-acetate241.354.217.242.6
50.3217.232.2
Hexadecane241.922.315.929.3:0
50.8316.113.2
Diesel fuel243.332.116.613.3:0
51.5617.646.9
  • a Determining the cis/transratio for the fatty acids obtained from hydrocarbon-grown cells was possible only for fatty acids derived from cells grown at 5°C, since no trans fatty acids were detected in the lipids which were obtained from cells grown at 24°C.