No evidence for an inbreeding avoidance ...
Document type :
Compte-rendu et recension critique d'ouvrage
Title :
No evidence for an inbreeding avoidance system in the bumble bee Bombus terrestris
Author(s) :
Bogo, Gherardo [Auteur]
De Manincor, Natasha [Auteur]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Fisogni, Alessandro [Auteur]
Galloni, Marta [Auteur]
Zavatta, Laura [Auteur]
Bortolotti, Laura [Auteur]
De Manincor, Natasha [Auteur]
Évolution, Écologie et Paléontologie (Evo-Eco-Paleo) - UMR 8198 [Evo-Eco-Paléo (EEP)]
Fisogni, Alessandro [Auteur]
Galloni, Marta [Auteur]
Zavatta, Laura [Auteur]
Bortolotti, Laura [Auteur]
Journal title :
Apidologie
Pages :
473-483
Publisher :
Springer Verlag
Publication date :
2018
ISSN :
0044-8435
English keyword(s) :
Bombus terrestris
inbreeding
incest avoidance
kin recognition
mating preference
inbreeding
incest avoidance
kin recognition
mating preference
HAL domain(s) :
Sciences du Vivant [q-bio]
English abstract : [en]
AbstractInbreeding is caused by the mating of closely related individuals and may produce a decrease in the fitness of offspring and have deleterious consequences for adults. In haplodiploid social Hymenoptera inbreeding ...
Show more >AbstractInbreeding is caused by the mating of closely related individuals and may produce a decrease in the fitness of offspring and have deleterious consequences for adults. In haplodiploid social Hymenoptera inbreeding has a further negative effect due to the production of unviable or sterile diploid males. As a consequence, mechanisms of inbreeding avoidance would be expected to evolve. In this study, we investigated the mating choice between related (inbred) or unrelated (outbred) gynes and males of Bombus terrestris reared in laboratory conditions by performing cage and tunnel experiments. Not only did we find no mating preference for related or unrelated partners (mating success 41.55 ± 3.7 and 39.69 ± 4.4%, respectively), but the mating latency was even shorter in inbred (6.97 ± 0.6 min) than in outbred matings (8.74 ± 0.8 min). We hypothesize that in wild populations of B. terrestris, the lack of incest avoidance could be compensated by tolerance of high levels of inbreeding.Show less >
Show more >AbstractInbreeding is caused by the mating of closely related individuals and may produce a decrease in the fitness of offspring and have deleterious consequences for adults. In haplodiploid social Hymenoptera inbreeding has a further negative effect due to the production of unviable or sterile diploid males. As a consequence, mechanisms of inbreeding avoidance would be expected to evolve. In this study, we investigated the mating choice between related (inbred) or unrelated (outbred) gynes and males of Bombus terrestris reared in laboratory conditions by performing cage and tunnel experiments. Not only did we find no mating preference for related or unrelated partners (mating success 41.55 ± 3.7 and 39.69 ± 4.4%, respectively), but the mating latency was even shorter in inbred (6.97 ± 0.6 min) than in outbred matings (8.74 ± 0.8 min). We hypothesize that in wild populations of B. terrestris, the lack of incest avoidance could be compensated by tolerance of high levels of inbreeding.Show less >
Language :
Anglais
Popular science :
Non
Source :
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