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Fig. 1 | BMC Plant Biology

Fig. 1

From: Genome-wide characterization of aspartic protease (AP) gene family in Populus trichocarpa and identification of the potential PtAPs involved in wood formation

Fig. 1

Phylogenetic analysis of Populus, grape and Arabidopsis AP protein sequences. Sixty-seven PtAPs, 30 VvAPs and 51 AtAPs were aligned with Clustal X 2.0, and the phylogenetic tree was constructed using the neighbor-joining method with 1000 bootstrap replication. Porcine pepsin A was used as the outgroup. Nucellin (U87148), CND41 (D26015) and cardosin A (CAB40134) were convenient to compare and define categories of the APs. All AP proteins were classified into three categories with different colors

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