Marine Biology

, Volume 111, Issue 1, pp 87–93 | Cite as

Genetic characterization of the hybridization betweenMytilus edulis andM. galloprovincialis on the Atlantic coast of France

  • C. Coustau
  • F. Renaud
  • B. Delay


A genetic study carried out on nine natural mussel populations on the French Atlantic coast from 1989–1990 revealed interdigitation between typicallyMytilus edulis and typicallyM. galloprovincialis populations and intermediate populations. The allele components of the populations followed aM. edulis/M. galloprovincialis gradient which does not correspond to a geographical gradient. Strong hybridization was evident in samples with intermediate allele frequencies. The respective importance of gene flow and selection is discussed in the light of the results and the evironmental features of the sampling zone.


Allele Frequency Gene Flow Genetic Study Atlantic Coast Genetic Characterization 
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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • C. Coustau
    • 1
    • 2
  • F. Renaud
    • 1
  • B. Delay
    • 2
  1. 1.Laboratoire de Parasitologie ComparéeUniversité Montpellier IIMontpellier cédex 5France
  2. 2.Institut des Sciences de l'EvolutionUniversité Montpellier IIMontpellier cédex 5France

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