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. 2021 Oct 9;39(1):msab296. doi: 10.1093/molbev/msab296

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© The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Fig. 1. — Origination of Poseidon and Zeus from CAF40 in Drosophila. (A) Distribution of the three paralogs among Drosophila species, with other insects as outgroups. Filled boxes represent the presence of each gene. (B) Scheme depicting Poseidon origination process through retroduplication, and insertion into an autosome. (C) Phylogenetic relationship in CAF40, Poseidon, and Zeus reconstructed respectively through the Maximum Parsimonious method using protein sequences. Dmel, Drosophila melanogaster; Dsec, Drosophila sechellia; Dsim, Drosophila simulans; Dere, Drosophila erecta; Dyak, Drosophila yakuba; Dbia, Drosophila biarmipes; Dsuz, Drosophila suzukii; Dele, Drosophila elegans; Deug, Drosophila eugracilis; Drho, Drosophila rhopaloa; Dtak, Drosophila takahashii; Dana, Drosophila ananassae; Dbip, Drosophila bipectinate; Dfic, Drosophila ficusphila; Dmir, Drosophila miranda; Dkik, Drosophila kikkawai; Dper, Drosophila persimilis; Dpse, Drosophila pseudoobscura; Dwil, Drosophila willistoni; Dmoj, Drosophila mojavensis; Dvir, Drosophila virilus; Dalb, Drosophila albomicans; Dgri, Drosophila grimshawi; Musca, Musca domestica (Housefly). The black and gray triangles represent the origination branch of Zeus and Poseidon, respectively. The scale for branch lengths is number of substitutions per site.