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Figure 1 | BMC Evolutionary Biology

Figure 1

From: A clustered set of three Sp-family genes is ancestral in the Metazoa: evidence from sequence analysis, protein domain structure, developmental expression patterns and chromosomal location

Figure 1

Phylogenetic sequence analysis of Sp factors from diverse metazoan species. The analysis reveals three large monophyletic clades (see text for details). (a) Unrooted majority rule consensus computed from 1000 intermediate trees produced with the Quartet Puzzling method [87]. The reliability values are given at the tree egdes. (b) Unrooted majority rule consensus Bayesian tree computed with the MR_BAYES program [83]. The posterior probability of the partitions is indicated by the branch. The abbreviations for the species names are given in the list of abbreviations. The sequence alignment is given in Additional File 1.

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