Phylogeny of the TPS-b and -g subfamilies. Maximum likelihood analysis of TPS-b and -g subfamilies from E. grandis and E. globulus in comparison to Vitis vinifera and Arabidopsis thaliana. Functionally characterized enzymes are indicated with an * with main products: *1 β-pinene, *2 isoprene (characterized by ), *3 γ-terpinene. Bootstrap values supported by ≥ 80% are designated * while those with bootstrap values ≥ 95% are designated O. A single TPS-a gene from E. grandis was selected as outgroup.