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Recent invasion of the Japanese oyster drill along the French Atlantic coast: identification of specific molecular markers that differentiate Japanese, Ocinebrellus inornatus, and European, Ocenebra erinacea, oyster drills
Garcia-Meunier, P.; Martel, C.; Pigeot, J.; Chevalier, G.; Blanchard, G.; Goulletquer, P.; Robert, S.; Sauriau, P.G. (2002). Recent invasion of the Japanese oyster drill along the French Atlantic coast: identification of specific molecular markers that differentiate Japanese, Ocinebrellus inornatus, and European, Ocenebra erinacea, oyster drills. Aquat. Living Resour. 15(1): 67-71. hdl.handle.net/10.1016/S0990-7440(01)01146-9
In: Aquatic Living Resources = Ressources vivantes aquatiques. Elsevier: Montrouge. ISSN 0990-7440, more
Peer reviewed article  

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Keywords
    Chemotaxonomy; Ocenebra erinaceus (Linnaeus, 1758) [WoRMS]; Ocenebra inornata (Récluz, 1851) [WoRMS]; ANE, France, Poitou-Charentes, Marennes-Oleron Bay [Marine Regions]; Marine

Authors  Top 
  • Garcia-Meunier, P., correspondent, more
  • Martel, C.
  • Pigeot, J.
  • Chevalier, G.
  • Blanchard, G.
  • Goulletquer, P.
  • Robert, S.
  • Sauriau, P.G., more

Abstract
    The direct amplification of length polymorphism technique (DALP) has been used to distinguish species-specific banding patterns in two marine gastropod oyster drills Ocenebra erinacea (Linnaeus, 1758) and Ocinebrellus inornatus (Récluz, 1851). Ocenebra erinacea is the European oyster drill, common along all European coasts. Ocinebrellus inornatus, the Japanese oyster drill, was recorded in oyster growing areas of the Marennes-Oléron Bay (SW France) for the first time in 1995. This new biological invasion could lead to an increase, which must be evaluated, in the predation risk for cultivated species i.e. oysters and blue mussels, and for littoral fishing resources along the French Atlantic coasts. As a result, since specific identification of early life stages of both species (egg capsules and juveniles) was previously found to be both difficult and unsure using only morphological criteria, four Ocenebra erinacea and two Ocinebrellus inornatus specific molecular markers were identified and sequenced. These markers will facilitate the assessment of respective ecological impacts (reproductive patterns, abundance and spatial distribution of juveniles), resulting from the exotic species versus the native species and will allow us to analyse with certainty demographic profiles of the two oyster drill populations.

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