Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/9257

Title: Strong Genome-wide Divergence between Sympatric European River and Brook Lampreys
Authors: Mateus, Catarina
Stange, M.
Berner, D.
Roesti, M.
Quintella, Bernardo
Alves, Maria Judite
Almeida, Pedro R.
Salzburger, Walter
Keywords: Lampetra fluviatilis
Lampetra planeri
Issue Date: 2013
Publisher: Cell Press
Citation: Mateus, C.S., M. Stange; D. Berner, M. Roesti, B.R. Quintella, M.J. Alves, P.R. Almeida & W. Salzburger (2013). Strong Genome-wide divergence between sympatric European River and Brook lampreys. Current Biology, 23(15):R649-R650.
Abstract: Lampreys, together with hagfishes, are the only extant representatives of jawless vertebrates and thus of prime interest for the study of vertebrate evolution [1]. Most lamprey genera occur in two forms with divergent life histories: a parasitic, anadromous and a non-parasitic, freshwater resident form. The taxonomic status of such ‘paired species’ is disputed, however. While indistinguishable at larval stages, but clearly distinct as adults, they cannot be differentiated with available genetic data, which has fuelled speculations that the two forms may in fact represent products of phenotypic plasticity within a single species. Here, we use restriction siteassociated DNA sequencing (RADseq) to examine the genetic population structure of sympatric European river (Lampetra fluviatilis L., 1758) and brook (Lampetra planeri Bloch, 1784) lampreys. We find strong genetic differentiation and identify numerous fixed and diagnostic single nucleotide polymorphisms (SNPs) between the two species, 12 of which can be unequivocally assigned to specific genes.
URI: http://hdl.handle.net/10174/9257
Type: article
Appears in Collections:BIO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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