Environmental temperature variation influences fitness trade-offs in a fish-tapeworm association

F. Franke, S. Armitage, M. Kutzer, J. Kurtz, J. Scharsack, Parasites & Vectors 10 (2017).

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Journal Article | Published | English
Author
Franke, Frederik; Armitage, Sophie; Kutzer, MeganIST Austria ; Kurtz, Joachim; Scharsack, Jörn
Abstract
Background: Increasing temperatures are predicted to strongly impact host-parasite interactions, but empirical tests are rare. Host species that are naturally exposed to a broad temperature spectrum offer the possibility to investigate the effects of elevated temperatures on hosts and parasites. Using three-spined sticklebacks, Gasterosteus aculeatus L., and tapeworms, Schistocephalus solidus (Müller, 1776), originating from a cold and a warm water site of a volcanic lake, we subjected sympatric and allopatric host-parasite combinations to cold and warm conditions in a fully crossed design. We predicted that warm temperatures would promote the development of the parasites, while the hosts might benefit from cooler temperatures. We further expected adaptations to the local temperature and mutual adaptations of local host-parasite pairs. Results: Overall, S. solidus parasites grew faster at warm temperatures and stickleback hosts at cold temperatures. On a finer scale, we observed that parasites were able to exploit their hosts more efficiently at the parasite’s temperature of origin. In contrast, host tolerance towards parasite infection was higher when sticklebacks were infected with parasites at the parasite’s ‘foreign’ temperature. Cold-origin sticklebacks tended to grow faster and parasite infection induced a stronger immune response. Conclusions: Our results suggest that increasing environmental temperatures promote the parasite rather than the host and that host tolerance is dependent on the interaction between parasite infection and temperature. Sticklebacks might use tolerance mechanisms towards parasite infection in combination with their high plasticity towards temperature changes to cope with increasing parasite infection pressures and rising temperatures.
Publishing Year
Date Published
2017-06-02
Journal Title
Parasites & Vectors
Volume
10
Issue
252
Article Number
52
ISSN
IST-REx-ID
618

Cite this

Franke F, Armitage S, Kutzer M, Kurtz J, Scharsack J. Environmental temperature variation influences fitness trade-offs in a fish-tapeworm association . Parasites & Vectors. 2017;10(252). doi:10.1186/s13071-017-2192-7
Franke, F., Armitage, S., Kutzer, M., Kurtz, J., & Scharsack, J. (2017). Environmental temperature variation influences fitness trade-offs in a fish-tapeworm association . Parasites & Vectors. BioMed Central. https://doi.org/10.1186/s13071-017-2192-7
Franke, Frederik, Sophie Armitage, Megan Kutzer, Joachim Kurtz, and Jörn Scharsack. “Environmental Temperature Variation Influences Fitness Trade-Offs in a Fish-Tapeworm Association .” Parasites & Vectors. BioMed Central, 2017. https://doi.org/10.1186/s13071-017-2192-7.
F. Franke, S. Armitage, M. Kutzer, J. Kurtz, and J. Scharsack, “Environmental temperature variation influences fitness trade-offs in a fish-tapeworm association ,” Parasites & Vectors, vol. 10, no. 252. BioMed Central, 2017.
Franke F, Armitage S, Kutzer M, Kurtz J, Scharsack J. 2017. Environmental temperature variation influences fitness trade-offs in a fish-tapeworm association . Parasites & Vectors. 10(252), 52.
Franke, Frederik, et al. “Environmental Temperature Variation Influences Fitness Trade-Offs in a Fish-Tapeworm Association .” Parasites & Vectors, vol. 10, no. 252, 52, BioMed Central, 2017, doi:10.1186/s13071-017-2192-7.
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