Fig. 5From: Metabolic engineering to enhance biosynthesis of both docosahexaenoic acid and odd-chain fatty acids in Schizochytrium sp. S31Comparison of enzyme activity, growth, lipid content and intracellular propionyl-CoA concentration among strains. a Malic enzyme activity; b growth curve; c acetyl-CoA carboxylase activity; d total lipid content; e the fluorescence intensity; f intracellular propionyl-CoA concentration. Blue: wild-type strain; purple: S-M strain; green: S-M-E strain. *p < 0.05, **p < 0.01Back to article page