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. 2018 Oct 10;12(10):e0006760. doi: 10.1371/journal.pntd.0006760

Fig 3. Evolutionary conservation of the putative PIWI proteins in Rhodnius.

Fig 3

A) Phylogenetic tree displaying the evolutionary relationship among Rp-Piwi1, Rp-Piwi2, Rp-Piwi3 and Rp-Ago3 and their Drosophila orthologs Piwi, Aub and Ago3. Schematic displaying the conservation of the typical Argonaute domains in the Drosophila and Rhodnius Piwi-clade Argonaute proteins. The conserved Piwi (yellow), PAZ (blue) and MID (grey) domains are highlighted. Argonaute linker domains 1 (green) and 2 (dark grey) are also shown. A polyglutamine stretch (orange) is present at the N-terminal region of the putative Rp-Piwi2 protein. B) Multiple aminoacid sequence alignment of the N-terminal regions of the putative Rp-Piwi2 orthologs in Rhodnius prolixus, Rhodnius neglectus, Triatoma dimidiata and Triatoma infestans. The red box highlights the position of the conserved PolyQ tract in the different Piwi orthologs.