Document Detail


A metabolomic approach to identifying chemical mediators of mammal-plant interactions.
MedLine Citation:
PMID:  20556637     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Different folivorous marsupials select their food from different subgenera of Eucalyptus, but the choices cannot be explained by known antifeedants, such as formylated phloroglucinol compounds or tannins, or by nutritional quality. Eucalypts contain a wide variety of plant secondary metabolites so it is difficult to use traditional methods to identify the chemicals that determine food selection. Therefore, we used a metabolomic approach in which we employed (1)H nuclear magnetic resonance spectroscopy to compare chemical structures of representatives from the two subgenera and to identify chemicals that consistently differ between them. We found that dichloromethane extracts of leaves from most species in the subgenus Eucalyptus differ from those in Symphyomyrtus by the presence of free flavanones, having no substitution in Ring B. Although flavanoids are known to deter feeding by certain insects, their effects on marsupials have not been established and must be tested with controlled feeding studies.
Authors:
David J Tucker; Ian Robert Wallis; Jessica M Bolton; Karen J Marsh; Adam A Rosser; Ian M Brereton; Dean Nicolle; William J Foley
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Publication Detail:
Type:  Journal Article     Date:  2010-06-17
Journal Detail:
Title:  Journal of chemical ecology     Volume:  36     ISSN:  1573-1561     ISO Abbreviation:  J. Chem. Ecol.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-02     Completed Date:  2010-10-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7505563     Medline TA:  J Chem Ecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  727-35     Citation Subset:  IM    
Affiliation:
School of Science & Technology, University of New England, Armidale, 2351, Australia.
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MeSH Terms
Descriptor/Qualifier:
Animals
Eucalyptus / chemistry*
Feeding Behavior
Flavanones / chemistry
Magnetic Resonance Spectroscopy
Marsupialia / physiology
Metabolomics
Plant Leaves / chemistry
Principal Component Analysis
Chemical
Reg. No./Substance:
0/Flavanones

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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