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  Immune defence, dispersal and local adaptation

Kurtz, J., Klappert, K., Schneider, W., & Reinhold, K. (2002). Immune defence, dispersal and local adaptation. Evolutionary Ecology Research, 4(3), 431-439.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD63-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-DD64-3
Genre: Journal Article

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kurtz_2002.pdf (Publisher version), 120KB
 
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 Creators:
Kurtz, Joachim1, Author              
Klappert, Kirsten, Author
Schneider, Wolfgang, Author
Reinhold, Klaus, Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: Chorthippus biguttulus; dispersal; host resistance; immunocompetence; invertebrate immunity; local adaptation; phagocytosis; reciprocal transfer
 Abstract: To determine the influence of dispersal on the expression of immune traits, we conducted a reciprocal transfer experiment. Chorthippus biguttulus grasshoppers from two populations were released as juveniles into their native and transfer environments. After recapture as adults, we found that an immune trait, the amount of phagocytically active cells, was significantly reduced in the transfer environments. In contrast, adult body mass differed between the two habitats, but was not reduced in the transfer environments. The results suggest that dispersal to a new environment can reduce the expression of immune traits, while otherwise not influencing body condition. One reason for such an effect could be that the parasite community in the foreign environment might be relatively maladapted, which would lead to reduced demands for resource allocation to immune traits.

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Language(s): eng - English
 Dates: 2002-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 3963
ISI: 000174969200007
Other: 2116/S 37828
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Title: Evolutionary Ecology Research
  Alternative Title : Evol. Ecol. Res.
Source Genre: Journal
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Pages: - Volume / Issue: 4 (3) Sequence Number: - Start / End Page: 431 - 439 Identifier: ISSN: 1522-0613