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  Lifetime reproductive success is maximized with optimal major histocompatibility complex diversity.

Kalbe, M., Eizaguirre, C., Dankert, I., Reusch, T. B. H., Sommerfeld, R. D., Wegner, K. M., et al. (2009). Lifetime reproductive success is maximized with optimal major histocompatibility complex diversity. Proceedings of the Royal Society of London, Series B, 276(1658), 925-934. doi:10.1098/rspb.2008.1466.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D5E2-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D5E3-7
Genre: Journal Article

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 Creators:
Kalbe, Martin1, Author              
Eizaguirre, Christophe2, Author              
Dankert, Ilka, Author
Reusch, Thorsten B. H.2, 3, Author              
Sommerfeld, Ralf D.2, Author              
Wegner, K. Mathias2, Author              
Milinski, Manfred2, Author              
Affiliations:
1Research Group Parasitology, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445643              
2Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              
3Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              

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Free keywords: lifetime reproductive success; major histocompatibility complex; stickleback; parasites; mating decision
 Abstract: Individual diversity at the major histocompatibility complex (MHC) is predicted to be optimal at intermediate rather than at maximal levels. We showed previously in sticklebacks that an intermediate MHC diversity is predominant in natural populations and provides maximal resistance in experimental multiple parasite infections in the laboratory. However, what counts ultimately is the lifetime reproductive success (LRS). Here, we measured LRS of six laboratory-bred sib-groups-to minimize the influence of non-MHC genes-three-spined sticklebacks (Gasterosteus aculeatus) during their entire breeding period, each in a seminatural enclosure in the lake of their parents, where they were exposed to the natural spectrum of parasites. We collected developing clutches at regular intervals and determined parenthood for a representative number of eggs (2279 in total) per clutch with 18 microsatellites. Both males and females with an intermediate MHC class IIB variant number had the highest LRS. The mechanistic link of MHC diversity and LRS differed between the sexes: in females, we found evidence for a trade-off between number of eggs and immunocompentence, whereas in males this correlation was concealed by different timing strategies of reproduction.

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Language(s): eng - English
 Dates: 2009-03-07
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: eDoc: 401238
DOI: 10.1098/rspb.2008.1466
Other: 2668/S 38959
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Title: Proceedings of the Royal Society of London, Series B
  Alternative Title : Proc. R. Soc. B
Source Genre: Journal
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Pages: - Volume / Issue: 276 (1658) Sequence Number: - Start / End Page: 925 - 934 Identifier: ISSN: 0962-8452 (print)
ISSN: 1471-2954 (online)