Article
Inbreeding depression is purged in the invasive insect Harmonia axyridis.
Current biology : CB - 8 Mar 2011
Facon Benoît, Hufbauer Ruth A, Tayeh Ashraf, Loiseau Anne, Lombaert Eric, Vitalis Renaud, Guillemaud Thomas, Lundgren Jonathan G, Estoup Arnaud
Abstract excerpt
Bottlenecks in population size reduce genetic diversity and increase inbreeding, which can lead to inbreeding depression. It is thus puzzling how introduced species, which typically pass through bottlenecks, become such successful invaders. However, under certain theoretical conditions, bottlenecks of intermediate size can actually purge the alleles that cause inbreeding depression. Although this process has been...
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