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. 2020 Jan 22;7:2. doi: 10.3389/fvets.2020.00002

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Copyright © 2020 Guo, Chen, Ruan, Qiao, Deng and Zhang.

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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Phylogenetic and recombination analysis of complete SVA genomes. (A) Reported SVA strains from China could be divided into 3 clusters. Phylogenetic trees were constructed with MEGA 6.0 software using neighbor-joining method, with 1,000 bootstrap replicates. Newly isolated strains are marked by black solid circles (•). Recombinant strains are indicated with black arrows. (B) Recombination analyses of SVA strains in this study. Crossover regions were identified by RDP4 and SimPlot 3.5.1 softwares. The X-axis shows the location of the query strain, and the Y-axis indicates the percentage of similarity. Reference strain, the major parental strain (red) and the minor parental strain (green).