Fig. 5

Phylogenetic tree of the PMTR1 proteins of tomato, potato, cucumber, cotton, rice, maize, and wheat showing three clades and one unidentified group. The number of members in each clade ranged from three to six. Clade A was represented by green color, Clade B by yellow, Clade C by purple, and unidentified group by blue. The members of tomato were marked by violet triangles before the labels.