Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA
13 páginas, 5 figuras, 6 tablas.
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Format: | artículo biblioteca |
Language: | English |
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Blackwell Publishing
2010-01
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Subjects: | AFLP, Amphibians, Dispersal, Genetic structure, Genome scan, Phylogeograph, |
Online Access: | http://hdl.handle.net/10261/43603 http://dx.doi.org/10.13039/501100004794 |
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dig-ibe-es-10261-436032019-06-11T08:49:08Z Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA Milá, Borja Carranza, Salvador Guillaume, Olivier Clobert, Jean Centre National de la Recherche Scientifique (France) Ministerio de Educación y Ciencia (España) AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph 13 páginas, 5 figuras, 6 tablas. Direct estimation of dispersal rates at large geographic scales can be technically and logistically challenging, especially in small animals of low vagility like amphibians. The use of molecular markers to reveal patterns of genetic structure provides an indirect way to infer dispersal rates and patterns of recent and historical gene flow among populations. Here, we use mitochondrial DNA (mtDNA) sequence data and genome-wide amplified fragment length polymorphism markers to examine population structure in the Pyrenean brook newt (Calotriton asper) across four main drainages in the French Pyrenees. mtDNA sequence data (2040 bp) revealed three phylogroups shallowly differentiated and with low genetic diversity. In sharp contrast, variation in 382 amplified fragment length polymorphism loci was high and revealed a clear pattern of isolation by distance consistent with long-term restriction of gene flow at three spatial scales: (i) among all four main drainages, (ii) between sites within drainages, and (iii) even between adjacent populations separated by less than 4 km. The high pairwise FST values between localities across numerous loci, together with the high frequency of fixed alleles in several populations, suggests a combination of marked geographic isolation, small population sizes and very limited dispersal in C. asper. The contrasting lack of variation detected in mtDNA sequence data is intriguing and underscores the importance of multilocus approaches to detect true patterns of gene flow in natural populations of amphibians. BM was supported by a CNRS postdoctoral contract. mtDNA work was funded by grant CGL2005-06876 ⁄ BOS from the Ministerio de Educación y Ciencia, Spain, to SC. Peer reviewed 2011-12-21T12:14:15Z 2011-12-21T12:14:15Z 2010-01 artículo http://purl.org/coar/resource_type/c_6501 Molecular Ecology 19(1): 108-120 (2010) 0962-1083 http://hdl.handle.net/10261/43603 10.1111/j.1365-294X.2009.04441.x 1365-294X http://dx.doi.org/10.13039/501100004794 en http://dx.doi.org/10.1111/j.1365-294X.2009.04441.x Sí none Blackwell Publishing |
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AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph |
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AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph Milá, Borja Carranza, Salvador Guillaume, Olivier Clobert, Jean Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
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13 páginas, 5 figuras, 6 tablas. |
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Centre National de la Recherche Scientifique (France) |
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Centre National de la Recherche Scientifique (France) Milá, Borja Carranza, Salvador Guillaume, Olivier Clobert, Jean |
format |
artículo |
topic_facet |
AFLP Amphibians Dispersal Genetic structure Genome scan Phylogeograph |
author |
Milá, Borja Carranza, Salvador Guillaume, Olivier Clobert, Jean |
author_sort |
Milá, Borja |
title |
Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
title_short |
Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
title_full |
Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
title_fullStr |
Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
title_full_unstemmed |
Marked genetic structuring and extreme dispersal limitation in the Pyrenean brook newt Calotriton asper (Amphibia: Salamandridae) revealed by genome-wide AFLP but not mtDNA |
title_sort |
marked genetic structuring and extreme dispersal limitation in the pyrenean brook newt calotriton asper (amphibia: salamandridae) revealed by genome-wide aflp but not mtdna |
publisher |
Blackwell Publishing |
publishDate |
2010-01 |
url |
http://hdl.handle.net/10261/43603 http://dx.doi.org/10.13039/501100004794 |
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