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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Prostaglandins Leukot Essent Fatty Acids. 2010 Mar 16;82(4-6):281–285. doi: 10.1016/j.plefa.2010.02.011

Figure 1.

Figure 1

Biosynthesis of LCPUFA with emphasis on the role of FADS genes, as generally accepted. β-oxidation may chain shorten any LCPUFA. Not shown are 16:2n-6 and 16:3n-3 which can be elongated to 18:2n-6, and 18:3n-3, respectively.