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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: The evolutionary arms race between transposable elements and piRNAs in Drosophila melanogaster

Fig. 4

Correlations between TE DNA copy number and antisense piRNA abundance. a Boxplots of Spearman’s correlation coefficients (Rho) values between TE DNA copy number and antisense piRNA abundance in DNA transposons (n = 12), LTR (n = 59), and non-LTR (n = 34) families. b Scatter plots displaying the TE DNA copy number and antisense piRNA abundance (RPKM) for representative TE families. Dots in cyan represent the GDL strains, and dots in red represent the DGRP strains. The Spearman’s Rho and adjusted P values are shown. c Sequencing coverage of DNA and piRNA along P-element in 10 GDL strains. Sense piRNAs are shown in red; antisense piRNAs are shown in blue; and DNA is shown in grey. d Boxplots of antisense piRNA density between TE families, which showed significantly positive Spearman’s correlation between TE copy number and antisense piRNA abundance (n = 6) and other TE families (n = 99)

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