Figure 4: Mangshan mandarin is a species distinct from C. maxima and C. reticulata. | Nature Biotechnology

Figure 4: Mangshan mandarin is a species distinct from C. maxima and C. reticulata.

From: Sequencing of diverse mandarin, pummelo and orange genomes reveals complex history of admixture during citrus domestication

Figure 4

(a) Midpoint-rooted neighbor-joining phylogenetic tree of citrus chloroplast genomes. (b) Frequency distributions of the pairwise sequence divergences (across 100-kb windows) between Mangshan mandarin (CMS) and C. maxima (green), CMS and C. reticulata (orange), C. reticulata and C. maxima (light blue) as well as the distinctly lower CMS intrinsic nucleotide diversity (dashed blue). Ret, C. reticulata; max, C. maxima; het, heterozygous. (c) The first two coordinates of principal coordinate analysis of the citrus nuclear genomes, based on pairwise distances and metric multidimensional scaling. The C. maxima–C. reticulata axis (principal coordinate 1, 47.5% variance) separates pummelos (green) from mandarins (orange), with oranges (blue) lying in between; principal coordinate 2 (19.6% of variance) separates CMS (purple) from the others.

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