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Fig. 3 | BMC Research Notes

Fig. 3

From: Diversification of the ant odorant receptor gene family and positive selection on candidate cuticular hydrocarbon receptors

Fig. 3

Estimation of gene gain and loss events and number of Or genes in ancestral species. Number of gene gains and losses are shown on tree branches and indicated with+ and −, respectively (blue BadiRate, red NOTUNG). Numbers in square boxes indicate number of Or genes in ancestral and extant species. The phylogeny of 7 ants and a honey bee (Ap. mellifera) with approximate divergence times (in million years: MY) is inferred from references [2, 62, 63]

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