Ancient mitochondrial DNA analyses of Iberian sturgeons
Identifieur interne : 000A02 ( Main/Merge ); précédent : 000A01; suivant : 000A03Ancient mitochondrial DNA analyses of Iberian sturgeons
Auteurs : A. Ludwig [Allemagne] ; U. Arndt [Allemagne, Canada] ; L. Debus [Allemagne] ; E. Rosello [Espagne] ; A. Morales [Espagne]Source :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 2009-02.
Abstract
Today’s European sturgeons are relics of erstwhile widely distributed populations, diminished mainly by overfishing and habitat changes over the centuries. While extinct European populations in the Baltic and North seas have been identified as Acipenser oxyrhinchus or A. sturio, a clear species determination on the Iberian Peninsula is still lacking. Plans to conserve existing populations and to re‐introduce extinct wild populations in European rivers will benefit from information of historic population/genotype composition. In this study, we used techniques involving ancient DNA as well as morphological comparisons based on bony scutes to identify twelve samples from five archaeological sites (650bc–1500ad, one sample dated 10.1–11.8 ky) on the Iberian Peninsula. All amplified PCR products of bony scutes (n = 5) had the mitochondrial DNA haplotypes of European sturgeon. Neither mitochondrial haplotypes of A. naccarii nor mitochondrial haplotypes of A. oxyrinchus were found.
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DOI: 10.1111/j.1439-0426.2009.01184.x
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While extinct European populations in the Baltic and North seas have been identified as Acipenser oxyrhinchus or A. sturio, a clear species determination on the Iberian Peninsula is still lacking. Plans to conserve existing populations and to re‐introduce extinct wild populations in European rivers will benefit from information of historic population/genotype composition. In this study, we used techniques involving ancient DNA as well as morphological comparisons based on bony scutes to identify twelve samples from five archaeological sites (650bc–1500ad, one sample dated 10.1–11.8 ky) on the Iberian Peninsula. All amplified PCR products of bony scutes (n = 5) had the mitochondrial DNA haplotypes of European sturgeon. Neither mitochondrial haplotypes of A. naccarii nor mitochondrial haplotypes of A. oxyrinchus were found.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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