Figure 1.

Alignment of sequence reads back to the miRNA precursors for mir-184 and mir-1. (A) An example of mapping sequence reads back to the pre-miRNA precursor. Bracket-notation for secondary structure is shown below the precursor and the mature miRNA sequence (miRBase) is flacked by asterisks. The number of reads giving rise to a particular sequence is noted beside each sequence. Highlighted in red is the most abundant small RNA read. (B). Venn diagram of the distribution of known miRNAs from the honeybee embryo small RNA libraries between Drosophila, other arthropods and vertebrates.

Zondag et al. BMC Evolutionary Biology 2012 12:211   doi:10.1186/1471-2148-12-211
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