Document Detail

A mathematical model of the defence mechanism of a bombardier beetle.
MedLine Citation:
PMID:  23173197     Owner:  NLM     Status:  MEDLINE    
Previous studies of bombardier beetles have shown that some species have a continuous discharge while others exhibit a pulsed discharge. Here, a mathematical model of the defence mechanism of the bombardier beetle is developed and the hypothesis that almost all bombardiers' defences have some sort of cyclic behaviour at frequencies much higher than previously thought is put forward. The observation of pulses arises from secondary lower frequency cycles that appear for some parameter values. For realistic parameter values, the model can exhibit all the characteristics seen in the various species of bombardier. The possibility that all bombardiers have the same underlying defence mechanism gives weight to the theory that all bombardiers' explosive secretory mechanisms have diversified from a common ancestral mechanism.
Alex James; Ken Morison; Simon Todd
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the Royal Society, Interface / the Royal Society     Volume:  10     ISSN:  1742-5662     ISO Abbreviation:  J R Soc Interface     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2012-11-22     Completed Date:  2013-05-01     Revised Date:  2014-02-14    
Medline Journal Info:
Nlm Unique ID:  101217269     Medline TA:  J R Soc Interface     Country:  England    
Other Details:
Languages:  eng     Pagination:  20120801     Citation Subset:  IM    
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MeSH Terms
Bees / physiology*
Behavior, Animal / physiology*
Biological Evolution*
Exocrine Glands / secretion*
Models, Biological*
Pulsatile Flow
Species Specificity

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

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