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Strong genome-wide divergence between sympatric European river and brook lampreys

Mateus, Catarina S. and Stange, Madlen and Berner, Daniel and Roesti, Marius and Quintella, Bernardo R. and Alves, M. Judite and Almeida, Pedro R. and Salzburger, Walter. (2013) Strong genome-wide divergence between sympatric European river and brook lampreys. Current Biology, 23 (15). R649-R650.

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Official URL: http://edoc.unibas.ch/dok/A6223442

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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 [2-8]. 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 [6,7], which has fuelled speculations that the two forms may in fact represent products of phenotypic plasticity within a single species. Here, we use restriction site-associated 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.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Zoologie > Evolutionary Biology (Salzburger)
UniBasel Contributors:Salzburger, Walter
Item Type:Article, refereed
Article Subtype:Book Review
Bibsysno:Link to catalogue
Publisher:Cell Press
ISSN:0960-9822
e-ISSN:1879-0445
Note:Publication type according to Uni Basel Research Database: Journal item
Identification Number:
Last Modified:30 Nov 2017 13:14
Deposited On:07 Nov 2014 08:28

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