Fig. 2

The phylogenetic trees of MaCPR1 and MaCPR2 were constructed by MEGA 7.0 software based on the protein sequences. The Neighbor-Joining (NJ) method was selected for tree-building, and bootstrapping was conducted with 1000 cycles to test the confidence of each branch. MaCPR2 (Morus alba); WsCPR2 (Withania somnifera, ADG29353.1); CrCPR2 (Catharanthus roseus, Q05001.1); SmCPR (Salvia miltiorrhiza, AGL46979.1); PtCPR2 (Populus trichocarpa x Populus deltoides, AAK15260.1); PtCPR3 (Populus trichocarpa x Populus deltoides, AAK15261.1); ApCPR2 (Andrographis paniculate, AQT38169.1); AtCPR2 (Arabidopsis thaliana, NP_194750.1); ApCPR4 (Andrographis paniculate, AQT38171.1); CaCPR2 (Camptotheca acuminata, QNL13420.1); SgCPR1 (Siraitia grosvenorii, AYE89264.1); SgCPR2 (Siraitia grosvenorii, AYE89265.1); TwCPR1 (Tripterygium wilfordii, AVI04908.1); TwCPR2 (Tripterygium wilfordii, AVI04909.1); MaCPR1 (Morus alba); WsCPR1 (Withania somnifera, ADI49691.1); ApCPR1 (Andrographis paniculate, AQT38168.1); TwCPR3 (Tripterygium wilfordii, AVI04910.1); TwCPR4 (Tripterygium wilfordii, AVI04911.1); CrCPR1 (Catharanthus roseus, AJA37723.1); AtCPR1 (Arabidopsis thaliana, NP_194183.1); CaCPR1 (Camptotheca acuminata, QNL13419.1); PtCPR1(Populus trichocarpa x Populus deltoide, AAK15259.1)