Fig. 2 | Communications Biology

Fig. 2

From: Expansion of vomeronasal receptor genes (OlfC) in the evolution of fright reaction in Ostariophysan fishes

Fig. 2

Evolutionary relationships of intact OlfC genes from 13 fish species. Tree was reconstructed using RAxML (version 8.1.17) and rooted with fish CaSR and V2R2 genes. OlfC genes from different species are indicated by different colors. The gene expansion event specific to the ostariophysan fishes having the fright reaction is represented by a red star. Dre, Danio rerio, Zebrafish; Ppr, Pimephales promelas, Minnow; Cid, Ctenopharyngodon idella, Grass carp; Mam, Megalobrama amblycephala, Wuchang bream; Ipu, Ictalurus punctatus, Channel catfish; Ame, Astyanax mexicanus, Cave fish; Eel, Electrophorus electricus, Electric eel; Gmo, Gadus morhua, Cod; Tru, Takifugu rubripes, Fugu; Oni, Oreochromis niloticus, Tilapia; Gac, Gasterosteus aculeatus, Stickleback; Ola, Oryzias latipes, Medaka; Pfo, Poecilia formosa, Amazon molly. Detailed tree with species and gene names and bootstrap values is shown in Supplementary Fig. S3

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