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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Conserved repertoire of orthologous vomeronasal type 1 receptor genes in ruminant species

Figure 1

Phylogenetic tree of intact V1R genes of cow, goat and sheep. Analysis of 32 cow, 24 goat and 21 sheep V1Rs. Cow T2R genes (gray) [31] were used as the outgroup. Bootstrap percentages supporting the monophyly of each family group are given. The tree was reconstructed using the neighbor-joining method with Poisson-corrected protein distances. The tree includes the following V1R sets: Eighteen cow-goat-sheep (pale blue), four cow-goat (pale green), one cow-sheep (pale orange), and one goat-sheep (pale purple). The scale bar indicates 0.1 amino acid substitutions per site. The subfamilies are indicated on the right.

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