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. 2018 Feb 27;256:116–122. doi: 10.1016/j.jviromet.2018.02.021

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Fig. 5 — Phylogenetic analysis of nucleotide (nt) sequences of RNA-dependent RNA polymerase (RdRP) gene of 3 coronaviruses (CoVs) identified in avian fecal samples in this study (indicated as triangles) with other RdRp gene nt sequences of seletected α-, β-, γ-, and δ-CoVs available in GeneBank. The reference sequences are indicated as strain names and accession numbers. The tree was constructed using the maximum likelihood method of the software MEGA6.06 (http://www.megasoftware.net). Bootstrap analysis was carried out on 1000 replicate data sets, and values were indicated adjacent to the branching points. The scale bar represents 0.05 nucleotide substitutions per site.