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. 2021 Jul 14;11:14444. doi: 10.1038/s41598-021-93626-6

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Species tree for selected host and non-host genomes. Green brackets represent host and non-host family clusters. Black brackets and Orange brackets are representative of Host and non-host species respectively. Red box represents the outgroup while orange asterisk signifies the event that lead to non-host lineage emergence. All non-host species emerge from one speciation event and further diverge depending on the environmental conditions. This tree served as a blue print to understand whether a gene is affected by plant speciation or has an independent process of experiencing evolutionary constraints when correlated with the gene trees.