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. 2020 Mar 12;15(3):e0230266. doi: 10.1371/journal.pone.0230266

Fig 5. Phylogenetic tree of conserved IRs across arthropods.

Fig 5

Maximum likelihood phylogenetic tree shows the different IRs that are conserved across major groups of arthropods: chelicerates, myriapods, crustaceans, and insects. IR25a sequences from two gastropods are also included. Among crustaceans, species are colored by their subclass as follows: thecostracan–brown; copepods–pink; isopods–navy blue; amphipods–green; decapods–red; branchiopod–fluorescent blue. The tree was built using IQ-Tree with 1000 UFBoot replications under the LG+F+G4 model of substitution according to BIC as selected by ModelFinder. The tree was visualized on FigTree v.1.4.4. The tree is unrooted but the root is drawn at the iGluR/IR25a/IR8a clade. Scale bar represents expected number of substitutions per site.