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. 2015 Dec 10;16:1054. doi: 10.1186/s12864-015-2243-4

Fig. 3.

Fig. 3

Phylogenetic relationship of chymotrypsins in P. xylostella and other Lepidoptera species. The phylogenetic tree was constructed using MEGA 6.06 with neighbor joining approach based on Poisson model and pairwise deletion of gaps. The percentage bootstrap scores higher than 50 % are indicated on the nodes. The first two letters in each of the gene names represent the acronym of scientific name for a given species (Px: Plutella xylostella; On: Ostrinia nubilalis; Ha: Helicoverpa armigera; Bm: Bombyx mori). P. xylostella chymotrypsins are marked with red dots