Occurrence and Biosynthesis of Alkyl Hydroxycinnamates in Plant Lipid Barriers

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Authors

Domergue, Frederic
Kosma, Dylan K.

Issue Date

2017

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Article

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Keywords

alkyl hydroxycinnamate , BAHD acyltransferase , fatty acyl reductase , HXXXD-motif , plant cuticle , suberin

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Abstract

The plant lipid barriers cuticle and suberin represent one of the largest biological interfaces on the planet. They are comprised of an insoluble polymeric domain with associated organic solvent-soluble waxes. Suberin-associated and plant cuticular waxes contain mixtures of aliphatic components that may include alkyl hydroxycinnamates (AHCs). The canonical alkyl hydroxycinnamates are comprised of phenylpropanoids, typically coumaric, ferulic, or caffeic acids, esterified with long chain to very long chain fatty alcohols. However, many related structures are also present in the plant kingdom. Although their functions remain elusive, much progress has been made on understanding the distribution, biosynthesis, and deposition of AHCs. Herein a summary of the current state of knowledge on plant AHCs is provided.

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Citation

Domergue, F., & Kosma, D. (2017). Occurrence and Biosynthesis of Alkyl Hydroxycinnamates in Plant Lipid Barriers. Plants, 6(4), 25. doi:10.3390/plants6030025

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Creative Commons Attribution 4.0 International

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2223-7747

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