Itaconic acid derivatives: structure, function, biosynthesis, and perspectives.
Mei Sano1, Tomonari Tanaka1, Hitomi Ohara1
1Department of Biobased Materials Science, Kyoto Institute of Technology, 1 Hashigami-cho, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan.
Itaconic acid derivatives, including alkylitaconic acids and α-methylene-γ-butyrolactones, exhibit diverse bioactivities. Their vinylidene group is key to functions like antimicrobial and antitumor effects.
Area of Science:
- Biochemistry
- Natural Products Chemistry
- Mycology
Background:
- Itaconic acid is a biobased platform chemical produced by fungi.
- Over seventy itaconic acid derivatives are known, derived from fungi and lichens.
- These derivatives possess diverse biological activities.
Purpose of the Study:
- To review the structures, functions, and biosynthetic pathways of itaconic acid derivatives.
- To discuss strategies for the industrial application of these compounds.
- To highlight the role of the vinylidene group in their bioactivity.
Main Methods:
- Literature review of existing studies on itaconic acid derivatives.
- Structural classification into alkylitaconic acids and α-methylene-γ-butyrolactones.
- Analysis of proposed biosynthetic pathways involving acyl-CoA, oxaloacetic acid, and modifying enzymes.
Main Results:
- Itaconic acid derivatives are classified into two main structural groups.
- The vinylidene group is implicated in the versatile bioactivities observed.
- A proposed biosynthetic pathway involves alkylitaconic acids as precursors to α-methylene-γ-butyrolactones.
Conclusions:
- Itaconic acid derivatives represent a promising class of bioactive natural products.
- Understanding their biosynthesis is crucial for unlocking their industrial potential.
- Further research into modifying enzymes can enhance derivative diversity and function.
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