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. 2015 May 7;10(5):e0124860. doi: 10.1371/journal.pone.0124860

Fig 2. Transposon-derived piRNAs.

Fig 2

(A) Shares of TE sequences in mapped piRNA reads and in the porcine genome. (B) Representation of TE families within the sequences of piRNA reads in sense and antisense direction compared to the genomic TE family distribution. (C) 5’ overlap of TE-derived piRNAs. (D) Mapping of piRNA reads to the sequence of a PRE1f2 element, a member of the tRNA-derived SINE subfamily of porcine repetitive elements. Regions from positions 24–79 nt and 128–179 nt are shown as exemplary target sites of ping-pong processing.