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. 2022 Mar 25;9:846904. doi: 10.3389/fvets.2022.846904

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Copyright © 2022 Pamornchainavakul, Kikuti, Paploski, Makau, Rovira, Corzo and VanderWaal.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Discrete trait analysis of PRRSV-2 lineage/sub-lineage recombination. (A) Heat map showing number of potential ancestral recombination between lineages/sub-lineages of each genomic fragment estimated from the trait transitions. Cell border thickness represents Bayes factor (BF) support for each recombination. (B) Bayesian MCC trees colored by ancestral ORF5-based lineage or sub-lineage. Asterisks locate the phylogenetic position of taxa of interest.