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Sex determination in blue mussels: Which method to choose?

Marc Fraser 1, 2 Marlène Fortier 1 Pierre-Hervé Roumier 3 Lise Parent 4, 2 Pauline Brousseau 1 Michel Fournier 1 Céline Surette 2, 4 Cathy Vaillancourt 1, 2
1 INRS-IAF - Institut Armand Frappier
2 Center for Interdisciplinary Research on Well-Being, Health, Society and Environment (CINBIOSE)
3 UB - Université de Bordeaux
4 Université de Moncton
Abstract : Sexing methods of blue mussels are mostly based on the presence or absence of gametes, and do not take into account reproductive cycle stages. Exposure effects can be affected by the sex of mussels, thus the aim of this study is to determine an efficient sex determination protocol taking into account the reproductive cycle stage. Eight mussel sexing methods were compared. This study demonstrates that the first step in discerning sex in blue mussels should be assessing the reproductive stage, which can be done by mantle histology. During gametogenesis, histology allows the differentiation of males from females by the observation of gametes. However, when mussels are in sexual rest, the only method that should be used is the sex-specific gene method.
Keywords : Vitelline envelope receptor for lysine Histology Male associated polypeptide Reproduction cycle stage Sexual rest Vitelline coat lysine
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https://hal-riip.archives-ouvertes.fr/pasteur-01351167
Contributor : Michel Courcelles <>
Submitted on : Tuesday, August 2, 2016 - 7:42:04 PM
Last modification on : Friday, June 5, 2020 - 10:22:03 PM

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Marc Fraser, Marlène Fortier, Pierre-Hervé Roumier, Lise Parent, Pauline Brousseau, et al.. Sex determination in blue mussels: Which method to choose?. Marine Environmental Research, Elsevier, 2016, 120, pp.78-85. ⟨10.1016/j.marenvres.2016.07.008⟩. ⟨pasteur-01351167⟩

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