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mtDNA differentiation in the mussel Mytilus galloprovincialis Lmk. on the Iberian Peninsula coast: first results
Luis, J.R.; Comesaña, A.S.; Sanjuan, A. (2011). mtDNA differentiation in the mussel Mytilus galloprovincialis Lmk. on the Iberian Peninsula coast: first results, in: Green, J.A. et al. (Ed.) Marine Biology in Time and Space. Proceedings of the 44th European Marine Biology Symposium, 7-11 September 2009, Liverpool, UK. Marine Ecology (Berlin), 32(S1): pp. 102-106. dx.doi.org/10.1111/j.1439-0485.2011.00430.x
In: Green, J.A. et al. (Ed.) (2011). Marine Biology in Time and Space. Proceedings of the 44th European Marine Biology Symposium, 7-11 September 2009, Liverpool, UK. Marine Ecology (Berlin), 32(S1). Wiley: London. vii, 134 pp., more
In: Marine Ecology (Berlin). Blackwell: Berlin. ISSN 0173-9565, more
Peer reviewed article  

Available in Authors 
Document type: Conference paper

Keywords
    Mytilus galloprovincialis Lamarck, 1819 [WoRMS]; Marine
Author keywords
    Atlantic Ocean; genetic differentiation; Mediterranean Sea; mitochondrial DNA; Mytilus galloprovincialis

Authors  Top 
  • Luis, J.R.
  • Comesaña, A.S.
  • Sanjuan, A.

Abstract
    The nucleotide sequence of the VD1 domain of the Long Unassigned Region in the F mitochondrial DNA genome was studied for 135 Iberian mussels, 78 from the Atlantic and 57 from the Mediterranean. Significant genetic differentiation between Atlantic and Mediterranean Mytilus galloprovincialis samples was found (FST = 0.262, P < 0.00001). The four main clusters observed in the neighbor-joining tree of haplotypes were not exclusive for a specific region, but a clear geographic pattern could be observed. One of the clusters contained 86% of the Atlantic individuals and the remaining three clusters were predominantly Mediterranean. The Atlantic–Mediterranean differentiation of the mitochondrial DNA haplotypes was in agreement with previous data describing the same partitioning in M. galloprovincialis and in many other marine organisms, using different kinds of genetic markers. In all cases the Almeria Oran Oceanographic front has been associated to this genetic discontinuity.

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