Fig. 2.

Phylogenetic relationship of lokiretroviruses and retroviruses. (A) Phylogenetic relationship among lokiretroviruses, retroviruses, and metaviruses based on their RT protein sequences (supplementary data sets S3 and S4, Supplementary Material online). The support values for selected nodes are shown in the form of UFBoot for align-Ma/UFBoot for align-3D. Ma and 3D indicate sequences aligned using MAFFT and PROMALS3D, respectively. (B) Comparison of the phylogenies between lokiretroviruses and their hosts. The left is the phylogeny of lokiretroviruses based on the RT proteins, whereas the right is the host tree based on the fish tree of life (Rabosky et al. 2018).