Long-term effects of stock transfers : synergistic introgression of allochthonous genomes in salmonids

Horreo, JL, Machado-Schiaffino, G, Griffiths, AM, Bright, D, Stevens, JR and Garcia-Vazquez, E 2014, 'Long-term effects of stock transfers : synergistic introgression of allochthonous genomes in salmonids' , Journal Of Fish Biology, 85 (2) , pp. 292-306.

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Abstract

The genus Salmo was employed as a model to study introgression of genes between species due to secondary contacts. Seven microsatellite loci, the LDH-C1* locus and the 5S ribosomal DNA were studied. Results showed the mutually enhanced introgression of allochthonous genomes into southern European salmonids. This phenomenon appears to go beyond a simple consequence of the altered behaviour of domestic individuals. Invasions of autochthonous genomes by allochthonous genes would be enhanced by human activities such as stock transfers, which would simultaneously promote allochthonous and allospecific (from other species) introgressions in a synergistic process in Atlantic salmon Salmo salar and brown trout Salmo trutta. As a minor result, the data do not support the value of the microsatellite locus SsaD486 as a species-specific marker.

Item Type: Article
Schools: Schools > School of Environment and Life Sciences
Journal or Publication Title: Journal Of Fish Biology
Publisher: Blackwell Publishing
ISSN: 0022-1112
Depositing User: Robert Shaw
Date Deposited: 31 Oct 2016 16:02
Last Modified: 31 Oct 2016 16:02
URI: http://usir.salford.ac.uk/id/eprint/40474

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