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Phylogenetic tree of human and protozoan ENT family genes including T. vaginalis. Multiple alignment (MUSCLE), phylogeny (PhyML) and tree rendering (TreeDyn) were performed using phylogeny.fr (http://www.phylogeny.fr/index.cgi). Accession codes for all genes are listed in the Supplemental materials). The Scale bar indicates the number of substitutions of a given site.
