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Female pipefish can detect the immune status of their mates
Helmholtz Ctr Ocean Res Kiel GEOMAR, Evolutionary Ecol Marine Fishes, D-24105 Kiel, Germany..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Physiology.
Norwegian Univ Sci & Technol, Dept Biol, Ctr Biodivers Dynam, N-7491 Trondheim, Norway..
Helmholtz Ctr Ocean Res Kiel GEOMAR, Evolutionary Ecol Marine Fishes, D-24105 Kiel, Germany..
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2015 (English)In: Behavioral Ecology and Sociobiology, ISSN 0340-5443, E-ISSN 1432-0762, Vol. 69, no 12, 1917-1923 p.Article in journal (Refereed) PublishedText
Abstract [en]

Given the ubiquity of the parasites and their important fitness consequences on mate and offspring condition, selection for the ability to distinguish healthy from parasitized potential mates is a key process to enhance Darwinian fitness. In this study, we experimentally evaluated how the immunological experience of two potential partners influences mate choice, using the sex-role-reversed pipefish Syngnathus typhle. We exposed S. typhle to immune challenges with heat-killed Vibrio bacteria and investigated whether the activation of the immune system determined mate preferences. Our results demonstrate that the immune status of the potential partners influenced female mate preference, such that females that were exposed to an immune challenge became choosy and favored unchallenged males. Males, however, did not show any preferences for female immune status. In this context, we discuss mate choice decisions and behavioral plasticity as a complex result of immune challenge, severity of infection, as well as trans-generational effects.

Place, publisher, year, edition, pages
2015. Vol. 69, no 12, 1917-1923 p.
Keyword [en]
Mate choice, Immune system, Plasticity, Terminal investment, Trans-generational immune priming, Syngnathus typhle, Vibrio
National Category
Other Biological Topics Zoology
URN: urn:nbn:se:uu:diva-269960DOI: 10.1007/s00265-015-2004-zISI: 000365076900003OAI: oai:DiVA.org:uu-269960DiVA: diva2:885610
Lars Hierta Memorial Foundation
Available from: 2015-12-19 Created: 2015-12-19 Last updated: 2015-12-19Bibliographically approved

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Sundin, JosefinRosenqvist, Gunilla
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