Phylogéographie des huîtres de mangrove de l'Océan Atlantique Sud : C. gasar et C. rhisophorae

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Contributeur(s) Actes Journées Conchylicoles, Ifremer Nantes, 3-4 avril 2001
Identifiant documentaire 9-3278
Identifiant OAI oai:archimer.ifremer.fr:3278
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Auteur(s): Heurtebise, Serge,Boutet, Isabelle,Verden, B.,Lapegue, Sylvie,Leitao, Alexandra,Thiriot-quievreux, Catherine,Garica, P.,Boudry, Pierre
Mots clés Crassostrea rhizophorae Crassostrea gasar Huîtres Génétique Phylogéographie
Date de publication 04/04/2001
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Droits de réutilisation info:eu-repo/semantics/openAccess

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Description
Mangrove oysters include various species that are also present on different coasts. In the southern part of the Atlantic Ocean, Crassostrea rhizophorae has been observed along the southern coast of America and Crassostrea gasar along the western coast of Africa. Fifteen populations of these oysters were sampled from these two geographic areas. Their polymorphism was studied on the 16S mitochondrial fragment both by par sequencing and RFLP analysis. Some samples' caryotype were also analysed. Two haplotypes were identified: C. gasar was found in Africa, but also for the first time in South America, whereas C. rhizophorae was only found on the coasts of South America.
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