Document généré le 31/05/2026 depuis l'adresse: https://www.documentation.eauetbiodiversite.fr/fr/notice/polyploidy-in-the-manila-clam
Permalien: https://www.documentation.eauetbiodiversite.fr/fr/notice/polyploidy-in-the-manila-clam
Titre alternatif
Producteur
Contributeur(s)
Éditeur(s)
EDP Sciences
Identifiant documentaire
10-1990010
Identifiant OAI
oai:edpsciences.org:dkey/10.1051/alr:1990010
Auteur(s):
Alain Diter,Christian Dufy
Mots clés
Cytochalasin B
tetraploidy
bivalve
Cytochalasine B
tétraploïdie
bivalve
Date de publication
15/04/1990
Date de création
Date de modification
Date d'acceptation du document
Date de dépôt légal
Langue
en
Thème
Type de ressource
Source
https://doi.org/10.1051/alr:1990010
Droits de réutilisation
Région
Département
Commune
Description
Tetraploidy was induced in embryos of Ruditapes philippinarum by treating the eggs with cytochalasin B (CB). Two treatment times were found to be effective in inducing tetraploidy: 0 to 10 minutes after insemination (before formation of the first polar body) and 45 minutes after insemination (just before the first cleavage). Treatments, started 5 and 45 minutes after insemination, produced $64.4\pm7.8{\%}$ and $28.3\pm2.3{\%}$ tetraploid embryos, respectively, after 6 hours (on the average over 3 experiments). However, no tetraploids were detected in 4-month-old spat. Sperm entry delayed by the CB could be involved in induction of tetraploidy by early treatment.
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