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Maternally Inherited npm2 mRNA Is Crucial for Egg Developmental Competence in Zebrafish ArchiMer
Bouleau, Aurelien; Desvignes, Thomas; Traverso, Juan Martin; Nguyen, Thaovi; Chesnel, Franck; Fauvel, Christian; Bobe, Julien.
The molecular mechanisms underlying and determining egg developmental competence remain poorly understood in vertebrates. Nucleoplasmin (Npm2) is one of the few known maternal effect genes in mammals, but this maternal effect has never been demonstrated in nonmammalian species. A link between developmental competence and the abundance of npm2 maternal mRNA in the egg was previously established using a teleost fish model for egg quality. The importance of maternal npm2 mRNA for egg developmental competence remains unknown in any vertebrate species. In the present study, we aimed to characterize the contribution of npm2 maternal mRNA to early developmental success in zebrafish using a knockdown strategy. We report here the oocyte- specific expression of npm2...
Tipo: Text Palavras-chave: Egg quality; Fish; Maternal effect gene; Maternal-to-zygotic transition; Nucleoplasmin; Oocyte developmental competence; Teleost; Zygotic genome activation.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00211/32234/30685.pdf
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