Fatty Acid DesaturasesFatty AcidsLinoleoyl-CoA DesaturaseMortierellaFatty Acids, UnsaturatedCytochromes b5Molecular Sequence DataCalendulaAmino Acid SequenceSubstrate SpecificityCloning, MolecularPolymorphism, GeneticPolymorphism, Single NucleotideFatty Acids, Omega-3Fatty Acids, NonesterifiedPhylogenyFatty Acids, Omega-6Fatty Acid SynthasesFatty Acids, EssentialSaccharomyces cerevisiaeStearoyl-CoA DesaturasePrimulaGenetic Predisposition to DiseaseGene FrequencyLinoleic Acid