Butenolides from Plant-Derived Smoke: Natural Plant-Growth Regulators with Antagonistic Actions on Seed Germination

Smoke plays an intriguing role in promoting the germination of seeds of many species following a fire. Recently, a bicyclic compound containing a condensed butenolide moiety, 3-methyl-2H-furo[2,3-c]pyran-2-one (1), was reported as a potent germination promoter from plant-derived smoke. In this study...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2010-02, Vol.73 (2), p.267-269
Main Authors: Light, Marnie E, Burger, Ben V, Staerk, Dan, Kohout, Ladislav, Van Staden, Johannes
Format: Article
Language:English
Subjects:
4-Butyrolactone - analogs & derivatives
4-Butyrolactone - chemistry
4-Butyrolactone - isolation & purification
4-Butyrolactone - pharmacology
Agronomy. Soil science and plant productions
Biological and medical sciences
Economic plant physiology
Fires
Fundamental and applied biological sciences. Psychology
Furans - chemistry
Furans - isolation & purification
Furans - pharmacology
Germination - drug effects
Growth and development
Growth regulators
Molecular Structure
Plant Growth Regulators - pharmacology
Plants
Pyrans - chemistry
Pyrans - isolation & purification
Pyrans - pharmacology
Seeds - drug effects
Seeds - growth & development
Smoke
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Summary:Smoke plays an intriguing role in promoting the germination of seeds of many species following a fire. Recently, a bicyclic compound containing a condensed butenolide moiety, 3-methyl-2H-furo[2,3-c]pyran-2-one (1), was reported as a potent germination promoter from plant-derived smoke. In this study, a related butenolide, 3,4,5-trimethylfuran-2(5H)-one (2), which inhibits germination and significantly reduces the effect of 1 when applied simultaneously, was also isolated from plant-derived smoke. The interaction of these compounds with opposing actions on seed germination may have important ecological implications in a post-fire environment and could be useful molecules for understanding the events involved in breaking seed dormancy and promoting seed germination.
ISSN:0163-3864
1520-6025
DOI:10.1021/np900630w