Test of synergistic interaction between infection and inbreeding in Daphnia magna

Evolution; International Journal of Organic Evolution
C R HaagDieter Ebert

Abstract

It has been proposed that parasitic infections increase selection against inbred genotypes. We tested this hypothesis experimentally using pairs of selfed and outcrossed sibling lines of the freshwater crustacean Daphnia magna, which can be maintained clonally. We studied the performance of selfed relative to outcrossed sibling clones during repeated pairwise clonal competition in the presence and absence of two species of microsporidian parasites. In 13 of the 14 pairs, the selfed clones did worse than the outcrossed ones in the control treatment, but the presence of either parasite did not result in an overall increase in this difference. Rather, it decreased the performance of the selfed relative to the outcrossed sibling in some pairs and increased it in others. Moreover, the two parasite species did not have the same effect in a given pair. This indicates that, contrary to the hypothesis that parasites generally lead to a decreased performance of inbred genotypes, their effect may depend on the genetic background of the host as well as on the parasite species, and suggests that inbreeding can lead to reduced or increased resistance to parasites. Our findings also indicate that there is variation for specific resistance to ...Continue Reading

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Citations

Aug 4, 2005·Heredity·P Armbruster, D H Reed
Apr 26, 2007·Journal of the Royal Society, Interface·Dieter EbertSandra Lass
Oct 12, 2004·Proceedings. Biological Sciences·Christoph R Haag, Dieter Ebert
Feb 12, 2005·Proceedings. Biological Sciences·Tim F CooperSantiago F Elena
Mar 8, 2006·Proceedings. Biological Sciences·Angus BucklingMichael E Hochberg
Jan 27, 2007·Proceedings. Biological Sciences·Jane M ReidDennis Hasselquist
May 7, 2010·Proceedings. Biological Sciences·Line V UgelvigSylvia Cremer
Oct 12, 2010·Proceedings. Biological Sciences·Penelope R WhitehornDave Goulson
Jul 2, 2003·Journal of Biology·Santiago F Elena, J Arjan G M de Visser
May 14, 2005·Oecologia·Ellen DecaesteckerDieter Ebert
Nov 3, 2005·Molecular Ecology·Steeve D CôtéSteve D Albon
Aug 22, 2009·Journal of Evolutionary Biology·Jadene A YoungAneil F Agrawal
May 29, 2009·Evolution; International Journal of Organic Evolution·Ophélie RonceRuth G Shaw
Sep 5, 2007·Evolution; International Journal of Organic Evolution·Janette A SteetsTia-Lynn Ashman
Sep 5, 2007·Evolution; International Journal of Organic Evolution·Adin Ross-GillespieLukas F Keller
Aug 25, 2010·Evolution; International Journal of Organic Evolution·Charles W Fox, David H Reed
Mar 30, 2010·Journal of Evolutionary Biology·A W ParkY Michalakis
Jan 19, 2007·Nature Reviews. Genetics·J Arjan G M de Visser, Santiago F Elena
Oct 1, 2014·The ISME Journal·Samuel J Tazzyman, Alex R Hall
Oct 9, 2019·Molecular Ecology·Andrea P CabalzarDieter Ebert
May 12, 2020·Journal of Evolutionary Biology·Tom RatzPer T Smiseth
Mar 12, 2021·Journal of Evolutionary Biology·Luca CornettiDieter Ebert

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