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Figure 7 | BMC Evolutionary Biology

Figure 7

From: Comparative genomics reveals conservative evolution of the xylem transcriptome in vascular plants

Figure 7

Phylogenetic trees for ancestral xylem orthologs in land plants. Deduced amino acid or protein sequences of 501 ancestral xylem orthologs from 7 species were combined to build consensus trees using three alignment methods, including Kalign (A), ClustalX2 and Mafft (B) with a bootstrap of 1,000. Individual trees were also generated for each gene using CLC Genomic Workbench 3 (CLC bio, Denmark). Genes with phylogenetic trees paralleled the trend of plant evolution (235, 47%) were present in an example (C) while genes that diverged from plant evolution (266, 53%) had diverse patterns of molecular evolution. A representative phylogenetic tree of genes (158, 32%) with conserved branches between angiosperms and ancient plant species but divergent branches to gymnosperms is showed in example (D).

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