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Fig. 6 | BMC Ecology and Evolution

Fig. 6

From: Horizontal gene transfer and recombination analysis of SARS-CoV-2 genes helps discover its close relatives and shed light on its origin

Fig. 6

Three consensus trees showing the three ways of evolution of the SARS-CoV and SARS-CoV-2-related genes. Tree clustering was carried out using the k-means-based tree partitioning algorithm adapted for clustering trees with different numbers of leaves. The first tree is the extended majority-rule consensus tree inferred for the phylogenies of genes ORF1ab, S, RB domain of S and N, forming Cluster 1. This consensus tree was obtained using the Consense program from the Phylip package. The second tree is the best heuristic search (hs) CLANN supertree inferred for the phylogenies of genes ORF3a, E, M, ORF6, ORF7a, ORF7b and ORF8 (these gene phylogenies had different numbers of leaves), forming Cluster 2. The consensus tree of gene ORF10 is its RAxML tree, which was unique in Cluster 3. Bootstrap scores are indicated on the internal tree branches. Branches with bootstrap support lower than 40% were collapsed

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BMC Ecology and Evolution

ISSN: 2730-7182

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