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Figure 4 | Mobile DNA

Figure 4

From: The predominantly selfing plant Arabidopsis thaliana experienced a recent reduction in transposable element abundance compared to its outcrossing relative Arabidopsis lyrata

Figure 4

Insertion time distribution for all elements. A histogram of the number of elements with a given insertion time (horizontal axis). Values on the vertical axis are given as percent of the total number of elements. Elements in A. thaliana are represented by dark grey bars, and elements in A. lyrata by light grey bars. For visual clarity, the figure only shows elements with an insertion time less than 15 Mya. Only few elements were inserted even earlier. The inset shows the frequency of elements younger than 2 million years. The double-headed arrow indicates the approximate time range when selfing arose in A. thaliana [36, 39]. We note that for each copy number value on the horizontal axis, the bars for both A. thaliana and A. lyrata originate at a value of zero on the vertical axis. Thus, bars are not stacked, despite their visual appearance, and do not represent the sum of copies in both species. We used this format to ensure visual clarity despite the large number of bars in each histogram.

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ISSN: 1759-8753