Document Detail

Activation of the immune system promotes insect dispersal in the wild.
MedLine Citation:
PMID:  19830456     Owner:  NLM     Status:  MEDLINE    
Dispersal has important ecological and evolutionary consequences but is a poorly understood behaviour. We experimentally tested whether activation of the immune system affects dispersal in male damselflies, Calopteryx virgo, from three natural populations. We show that males that contained an experimentally inserted artificial pathogen, a nylon monofilament implant, had higher dispersal rates and flew further than control males, but not further than sham manipulated males. Our data suggest that dispersal may reduce the risk of further infections if immune system activation indicates high parasite infection risk in the present habitat. We, thus, suggest that parasites may play an important role in the evolution of host dispersal.
Jukka Suhonen; Johanna Honkavaara; Markus J Rantala
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-10-15
Journal Detail:
Title:  Oecologia     Volume:  162     ISSN:  1432-1939     ISO Abbreviation:  Oecologia     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-15     Completed Date:  2010-06-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0150372     Medline TA:  Oecologia     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  541-7     Citation Subset:  IM    
Department of Biology, University of Turku, Turku, Finland.
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MeSH Terms
Host-Parasite Interactions
Insects / immunology*,  parasitology,  physiology

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