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Speciation in the Deep Sea: Multi-Locus Analysis of Divergence and Gene Flow between Two Hybridizing Species of Hydrothermal Vent Mussels
Provedor de dados: 5
Autores: Faure, Baptiste; Jollivet, Didier; Tanguy, Arnaud; Bonhomme, Francois; Bierne, Nicolas.
Background: Reconstructing the history of divergence and gene flow between closely-related organisms has long been a difficult task of evolutionary genetics. Recently, new approaches based on the coalescence theory have been developed to test the existence of gene flow during the process of divergence. The deep sea is a motivating place to apply these new approaches. Differentiation by adaptation can be driven by the heterogeneity of the hydrothermal environment while populations should not have been strongly perturbed by climatic oscillations, the main cause of geographic isolation at the surface. Methodology/Principal Finding: Samples of DNA sequences were obtained for seven nuclear loci and a mitochondrial locus in order to conduct a multi-locus...
Tipo: Text
Palavras-chave: Mid atlantic ridge; Snake pit area; Population genetics; Drosophila pseudooscura; Bathymodiolus bivalvia; Statistical properties; Subdivided population; Phylogenetic networks; Dna polymorphism; Neutrality tests.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/00129/24012/21972.pdf