Expression of the anti-dorsalizing morphogenetic protein gene in the zebrafish embryo

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Dickmeis, Thomas | Rastegar, Sepand | Aanstad, Pia | Clark, Matthew | Fischer, Nadine | Korzh, Vladimir | Strähle, Uwe

Edité par CCSD ; Springer Verlag -

International audience. The BMP3 related anti-dorsalizing morphogenetic protein (ADMP) has been proposed to function in the organizer of chick and Xenopus embryos. We report here the cloning and expression pattern of a zebrafish admp gene. The gene is expressed in involuting cells of the embryonic shield, but not in the non-involuting forerunner cells. During gastrulation, admp transcripts are detected in the posterior prechordal plate, in the notochord primordium and in cells of the dorsal blastoderm margin. Expression is also detectable in the neuroectoderm overlying the posterior prechordal plate. Expression persists in the tail bud until the end of somitogenesis while expression in other areas disappears during early somitogenesis stages.

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