Evidence for epistasis: reply to Trouve et al.

Détails

ID Serval
serval:BIB_A4658EC86E70
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Evidence for epistasis: reply to Trouve et al.
Périodique
Journal of Evolutionary Biology
Auteur(s)
Ebert D., Salathe P., Kawecki T. J.
ISSN
1010-061X
Statut éditorial
Publié
Date de publication
2004
Peer-reviewed
Oui
Volume
17
Numéro
6
Pages
1402-1404
Langue
anglais
Résumé
Salathe and Ebert ( 2003, J. Evol. Biol. 16: 976 - 985) have shown that the mean logarithmic fitness of Daphnia magna clones declined faster than linearly with increasing inbreeding coefficient F. They interpreted this result as evidence for synergistic epistasis. Trouve et al. ( 2004, J. Evol. Biol., doi: 10.1111/ j. 1420-9101.2004.00755. x) suggested that hybrid vigour could be an alternative explanation for this finding. We use a population genetic model to support the original claim that the marked deviation from linearity cannot be explained without epistasis. We further argue that the relevant reference population is the metapopulation and not the subpopulation. Taken together, we believe that synergistic epistasis between recessive deleterious alleles segregating in the D. magna metapopulation is the most likely explanation for the finding of Salathe and Ebert.
Mots-clé
synergistic epistasis, hybrid vigour, inbreeding, metapopulation, Daphnia, crosses
Web of science
Création de la notice
19/11/2007 11:43
Dernière modification de la notice
03/03/2018 20:13
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