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Figure 1

From: The Dendrobium catenatum Lindl. genome sequence provides insights into polysaccharide synthase, floral development and adaptive evolution

Figure 1

Phylogenetic position and Ks distributions for D. catenatum.

(a) Phylogenetic tree showing the topology and divergence times for 12 plant species, including D. catenatum. Estimated divergence times are indicated by light blue boxes at internodes. Numbers at nodes indicate bootstrap values. The brown bar indicates the orchid-specific whole-genome duplication (WGD), while the green bar indicates a more ancient monocot-specific WGD (Thanks Li-Jun Chen for taking the images of species). (b) Distribution of synonymous substitutions per synonymous site (Ks) for the whole D. catenatum paranome. (c) Distribution of synonymous substitutions per synonymous site (Ks) for orthologous genes found in syntenic regions. Two consistent peaks highlighted by the dashed rectangles are considered to reflect the most recent and older WGD events.

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