Speciation and adaptive evolution reshape antioxidant enzymatic system diversity across the phylum Nematoda

摘要

Comparison of gene numbers for antioxidant enzymes in different clades of the phylum Nematoda. a Scheme of the antioxidant enzymatic system in a parasite. b Gene numbers for SOD, CAT, GPx, and PRX in four clades of nematodes: n refers to the species number of the clades studied here. Boxplots show the gene number distribution for antioxidant enzymes in each clade. The purple boxes represent species in Clade I, blue boxes represent species in Clade IV, green boxes represent species in Clade III, and orange represents species in Clade V. The colors of the jitter points indicate the subclades depicted in Fig. 2