Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/4020
Título: Unexpected high genetic diversity at the extreme Northern geographic limit of Taurulus bubalis (Euphrasen, 1786)
Autor: Almada, V. C.
Almada, Frederico
Francisco, S. M.
Castilho, Rita
Robalo, J. I.
Palavras-chave: Article
Cold acclimatization
Genetic marker
Genetic variability
Data: 2012
Editora: Public Library of Science
Citação: Almada, V. C.; Almada, F.; Francisco, S. M.; Castilho, R.; Robalo, J. I. Unexpected High Genetic Diversity at the Extreme Northern Geographic Limit of Taurulus bubalis (Euphrasen, 1786), PLoS ONE, 7, 8, e44404-e44404, 2012.
Resumo: The longspined bullhead (Taurulus bubalis, Euphrasen 1786) belongs to the family Cottidae and is a rocky shore species that inhabits the intertidal zones of the Eastern Atlantic since Iceland, southward to Portugal and also the North Sea and Baltic, northward to the Gulf of Finland, with some occurrences in the northern Mediterranean coasts eastward to the Gulf of Genoa. We analysed the phylogeographic patterns of this species using mitochondrial and nuclear markers in populations throughout most of its distributional range in west Europe. We found that T. bubalis has a relatively shallow genealogy with some differentiation between Atlantic and North Sea. Genetic diversity was homogeneous across all populations studied. The possibility of a glacial refugium near the North Sea is discussed. In many, but not all, marine temperate organisms, patterns of diversity are similar across the species range. If this phenomenon proves to be most common in cold adapted species, it may reflect the availability of glacial refugia not far from their present-day northern limits.
Peer review: yes
URI: http://hdl.handle.net/10400.1/4020
DOI: http://dx.doi.org/10.1371/journal.pone.0044404
ISSN: 1932-6203
Aparece nas colecções:CCM2-Artigos (em revistas ou actas indexadas)

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