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Home ยป Waxes on fern leaves: fatty acid derivatives and secondary metabolites

Waxes on fern leaves: fatty acid derivatives and secondary metabolites

Fern leaves have surface coatings sealing them against dehydration. However, it is not clear whether wax compositions vary among fern species, and among ferns and seed plants.

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Guo et al. analyse the wax mixtures of five fern species occurring in British Columbia by gas chromatography and mass spectrometry. Esters were the most abundant compounds in each species. Additionally, various fatty acid derivatives and polyketides were identified, many of them similar to those of seed plants like Arabidopsis thaliana. This result, together with other characteristics of the fern waxes, has significant implications on the evolutionary history of wax composition and biosynthesis.

Alex Assiry

Alex Assiry is an editorial assistant in the Annals of Botany Office. When not working, Alex listens for the opportunity to help.

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