Figure 5. The diversity of predicted crustacyanin-like sequences in some amphipod species in comparison with those from different groups of decapods, as well as some copepods and appendicularia.

(A) A maximum-likelihood tree of predicted protein sequences. The shapes are added to visualize the taxa; the blue shapes mark proteins that are potentially coloration-related, while the gray shape marks an apolipoprotein D sequence not related to coloration. aLRT, Shimodaira-Hasegawa approximate likelihood ratio test; aBayes, approximate Bayes test. (B) Abundance of the transcripts encoding the putative crustacyanin analogs and crustacyanin-like proteins in E. cyaneus transcriptome samples. Each dot is one sample (pooled material of 5 animals). TPM, transcripts per million.