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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Dev Biol. 2011 Dec 3;362(1):104–113. doi: 10.1016/j.ydbio.2011.11.015

Fig. 2. Sea urchin small RNA composition and expression profile.

Fig. 2

Small RNAs from the ovary, egg, 32-cell stage, blastula (24 hpf), gastrula (48 hpf), and pluteus (72 hpf) were sequenced and annotated. miRNAs are 22 nts and putative piRNAs are between 27 and 29 nts. Putative piRNAs that overlap with each other in consistency with conserved ‘ping-pong’ mode of biogenesis (see Methods) are labeled ‘piRNA’ while the remaining are labeled ‘Unknown’. The figure is scaled to yield identical vertical extend of the 22 nucleotide miRNA fraction. Compare to figure S3 for an illustration with static scaling.