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Fig. 4 | BMC Ecology and Evolution

Fig. 4

From: Comparative genomics highlight the importance of lineage-specific gene families in evolutionary divergence of the coral genus, Montipora

Fig. 4

Relaxed purifying selection in Montipora-specific gene families. The y-axis represents the ratio of nonsynonymous (Ka) to synonymous amino acid substitutions (Ks). Orthologous gene pairs in two Montipora species (M. cactus and M. efflorescens) are used for calculation of pairwise Ka/Ks ratios. Ka/Ks ratios were compared among gene families and significant differences were observed in all pairwise combinations (Wilcoxon rank sum test: p < 0.05). A raincloud plot was produced using the “raincloudplots” package [81]. Details of 40 gene families exhibiting Ka/Ks > 1 are shown in Table 2

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