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Closed Access item Marine biogeographic boundaries and human introduction along the European coast revealed by phylogeography of the prawn Palaemon elegans

Authors:Reuschel, Silke
Cuesta, José A.
Schubart, Christoph D.
Keywords:Cox1, 16SrRNA, Phylogeography, Messinian crisis, Cryptic species
Issue Date:20-Mar-2010
Publisher:Elsevier
Citation:Molecular Phylogenetics and Evolution 55(3): 765-775 (2010)
Abstract:A phylogeographic analysis is carried out for the widely distributed European littoral prawn Palaemon elegans in order to test for potential genetic differentiation and geographic structure. Mitochondrial sequences were obtained from 283 specimens from the northeastern Atlantic, the Baltic, Mediterranean, Black and Caspian Seas. Our study revealed a surprisingly complex population structure. Three main haplogroups can be separated: one from the Atlantic (Type I) and two from the Mediterranean (Types II and III). While the Mediterranean types occur in sympatry, a clear phylogeographic break was observed along the Almería-Oran Front separating Type I and giving evidence for a genetic isolation of Atlantic and Mediterranean populations. Type III represents the most distinct haplogroup with high levels of nucleotide divergence, indicating the occurrence of a cryptic species with a Messinian origin. The colonization of the southeastern Baltic Sea is most likely due to human introduction.
Description:11 páginas, 5 figuras, 6 tablas.
Publisher version (URL):http://dx.doi.org/10.1016/j.ympev.2010.03.021
URI:http://hdl.handle.net/10261/45844
ISSN:1055-7903
E-ISSNmetadata.dc.identifier.doi = DOI:1095-9513
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Appears in Collections:(ICMAN) Artículos

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