Nolwenn Quéré, Erick Desmarais, Costas S. Tsigenopoulos, Khalid Belkhir, François Bonhomme and Bruno Guinand Gene flow at major transitional areas in sea bass (Dicentrarchus labrax) and the possible emergence of a hybrid swarm Ecology and Evolution 2
We investigate genetic differentiation at 20 nuclear loci associated or nonassociated to genes in sea bass over samples covering the three main metapopulations recognized in this species. Patterns of genetic differentiation illustrate the “porous genome model” and were found distinct across the two tension zones separating populations. The Western Mediterranean population was found significantly more admixed than other populations and could originate from hybrid swarming.
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