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. Author manuscript; available in PMC: 2018 Apr 18.
Published in final edited form as: Angew Chem Int Ed Engl. 2017 Mar 28;56(17):4729–4733. doi: 10.1002/anie.201700103

Figure 4.

Figure 4

Simplified model for the biosynthesis of modular ascarosides in C. elegans. Long-chain ascaroside precursors undergo multiple rounds of peroxisomal β-oxidation to produce Coenzyme A esters of short-chain ascarosides such as ascr#9. Subsequently, short-chain ascarosides (or their CoA esters) may undergo 4′-modification in acidic lysosome-related organelles (LROs). I3C =indole-3-carboxy, suc-oct =N-succinyl octopamine.