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Fig. 1 | BMC Genomics

Fig. 1

From: Overlapping but distinct topology for zebrafish V2R-like olfactory receptors reminiscent of odorant receptor spatial expression zones

Fig. 1

Selection of seven representative genes from a phylogenetic tree of the zebrafish OlfC family. A phylogenetic tree of 60 full length OlfC gene sequences was constructed using a maximum likelihood (ML) algorithm (see Methods for details). Bootstrap support in percent is indicated at relevant nodes. As in previous analyses, the OlfC family appears polyphyletic, with the calcium sensor gene CaSR intercalating between OlfCa1, OlfCb1, and the remainder of the OlfC family. Mouse and zebrafish T1R taste receptors were used as outgroup. Single asterisk, gene was predicted in [23] as pseudogene (OlfCb1, e1, q10) or fragment (OlfCf1, m2), but is intact and full length in the current prediction; double asterisk, gene is lost in GRCz10; triple asterisk, novel gene. OlfC genes highlighted with yellow were selected for expression analysis. To the right of the tree the core cell distribution parameters for the genes analysed are shown as bar graphs. Light blue, median radial position; dark blue, median height position, all values normalized to the respective maximal values. No correlation is apparent between position in the phylogenetic tree and median radius or height

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