Survey of volatile oxylipins and their biosynthetic precursors in bryophytes

Oxylipins are metabolites which are derived from the oxidative fragmentation of polyunsaturated fatty acids. These metabolites play central roles in plant hormonal regulation and defense. Here we survey the production of volatile oxylipins in bryophytes and report the production of a high structural variety of C5, C6, C8 and C9 volatiles of mosses. In liverworts and hornworts oxylipin production was not as pronounced as in the 23 screened mosses. A biosynthetic investigation revealed that both, C18 and C20 fatty acids serve as precursors for the volatile oxylipins that are mainly produced after mechanical wounding of the green tissue of mosses. (C) 2009 Elsevier Ltd. All rights reserved.

Published in:
Phytochemistry, 71, 574-580

 Record created 2011-12-16, last modified 2018-01-28

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