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. Author manuscript; available in PMC: 2010 Oct 12.
Published in final edited form as: Science. 2008 Apr 10;320(5879):1077–1081. doi: 10.1126/science.1157396

Fig. 2.

Fig. 2

Endo-siRNAs correspond to transposons. (A) Distribution of annotations for the genomic matches of endo-siRNA sequences. Bars total more than 100% because some siRNAs match both LTR and non-LTR retrotransposons or match both mRNA and transposons. (B) Transposon-derived siRNAs with more than 50 21-nt reads mapped about equally to sense and antisense orientations. (C) Alignment of endo-siRNA sequences to Drosophila transposons. The abundance of each sequence is shown as a percentage of all transposon-matching siRNA sequences. LTR, long terminal repeat; TIR, terminal inverted repeat. Here and in subsequent figures, data from high-throughput pyrosequencing and sequencing-by-synthesis were pooled for wild-type heads.