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. 2016 Aug 17;6:31586. doi: 10.1038/srep31586

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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The distributions of 4DTv (transversions at fourfold degenerate sites) distances between orthologs and the distributions of 4DTv between paralogs within genomes were used to infer the possible speciation events and whole-genome duplication events, respectively.