Developmental expression of the hemichordate otx ortholog

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Developmental expression of the hemichordate otx ortholog

The phylogenetic location of hemichordates is unique because they seem to fill an evolutionary gap between echinoderms and chordates. We report here characterization of Pf-otx, a hemichordate ortholog of otx, with its embryonic and larval expression pattern. Pf-otx is initially expressed in the vegetal plate of the blastula. Expression remains evident in the archenteron through gastrulation and...

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The sea urchin orthodenticle (Otx)-related transcription factor is an early activator of other endomesodermally expressed transcription factors. Its normal function is required for the development of the archenteron and to lock cells into endomesodermal fate. To determine if this is a basal Otx function in echinoderms we have studied the role of an Otx ortholog in a starfish, Asterina miniata. ...

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ژورنال

عنوان ژورنال: Mechanisms of Development

سال: 2000

ISSN: 0925-4773

DOI: 10.1016/s0925-4773(99)00279-8