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Manuel, M.; Le Parco, Y.; Borchiellini, C. (2004). Comparative analysis of Brachyury T-domains, with the characterization of two new sponge sequences, from a hexactinellid and a calcisponge. Gene. 340(2): 291-301.
429437
10.1016/j.gene.2004.07.021 [view]
Manuel, M.; Le Parco, Y.; Borchiellini, C.
2004
Comparative analysis of Brachyury T-domains, with the characterization of two new sponge sequences, from a hexactinellid and a calcisponge
Gene
340(2): 291-301
Publication
Available for editors  PDF available
The Brachyury family of T-domain containing transcription factor has been recently the subject of a number of Evo-Devo studies, with expression data obtained from a wide sampling of eumetazans, pointing to a possible conserved role in the formation of the blastopore and the extremities of the digestive tract. Here we present a comparative analysis of Brachyury sequences at the metazoan scale, using published data and two new sponge Brachyury sequences. Alignment features, gene phylogeny, and the evolution of variable positions within the T?domain are discussed in the light of available data about functional constraints on the residues. Interestingly, the high sequence divergence observed in Brachyury T-domains from sponges appears to be mostly the consequence of autapomorphic changes within the sponge lineages, rather than the retention of primitive character states.
Mediterranean Sea in general
Cladism, Cladistics, Phylogenetics
Evolution
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2022-06-04 14:01:19Z
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