Title |
Nuclear receptors from the ctenophore Mnemiopsis leidyi lack a zinc-finger DNA-binding domain: lineage-specific loss or ancestral condition in the emergence of the nuclear receptor superfamily?
|
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Published in |
EvoDevo, February 2011
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DOI | 10.1186/2041-9139-2-3 |
Pubmed ID | |
Authors |
Adam M Reitzel, Kevin Pang, Joseph F Ryan, James C Mullikin, Mark Q Martindale, Andreas D Baxevanis, Ann M Tarrant |
Abstract |
Nuclear receptors (NRs) are an ancient superfamily of metazoan transcription factors that play critical roles in regulation of reproduction, development, and energetic homeostasis. Although the evolutionary relationships among NRs are well-described in two prominent clades of animals (deuterostomes and protostomes), comparatively little information has been reported on the diversity of NRs in early diverging metazoans. Here, we identified NRs from the phylum Ctenophora and used a phylogenomic approach to explore the emergence of the NR superfamily in the animal kingdom. In addition, to gain insight into conserved or novel functions, we examined NR expression during ctenophore development. |
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