Fig. 2
From: Characterization of the Populus Rab family genes and the function of PtRabE1b in salt tolerance
Genome-wide duplication of PtRabs. a Chromosome locations and duplication of PtRabs. Duplicated PtRabs were labelled as red and linked with red lines. Grey links between chromosomes indicate duplicated blocks generated by whole-genome duplication events. b Ka/Ks (left y-axis, blue dots) and duplication date (right y-axis, red dots) of pairwise PtRabs paralogous pairs