Fatty Acid DesaturasesFatty AcidsLinoleoyl-CoA DesaturaseMortierellaFatty Acids, UnsaturatedCytochromes b5CalendulaMolecular Sequence DataLipidsAmino Acid SequenceSubstrate SpecificityCloning, MolecularFatty Acids, Omega-3Lipid MetabolismFatty Acids, NonesterifiedFatty Acids, Omega-6PhylogenyFatty Acid SynthasesFatty Acids, EssentialLipid ASaccharomyces cerevisiaeStearoyl-CoA DesaturaseChromatography, GasLinoleic AcidPrimula