Figure 5From: Genome-wide and molecular evolution analysis of the subtilase gene family in Vitis viniferaEvolution of the one subgroup of grape subtilase genes. A. Phylogenetic relationships. B. Hypothetical origins of 19 grape subtilase genes by tandem duplication and retroposition. The letters R and T on the nodes of the phylogenetic tree indicate the positions where retroposition and tandem duplication have occurred, respectively.Back to article page