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. 2016 Feb 11;8(3):507–518. doi: 10.1093/gbe/evw018

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© The Author 2016. 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 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3.— — Bayesian gene trees of Ago2 and Piwi/Aub. Ago2 has expanded rapidly in Glossina and the obscura group of Drosophila, whereas Piwi/Aub has undergone numerous duplications in Aedes, Anopheles, and many other Nematoceran taxa.