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. 2019 Feb 7;10:627. doi: 10.1038/s41467-019-08543-0

Fig. 4.

Fig. 4

24-nt phasiRNAs with 12-nt phasing in tomato. a 24-nt phasiRNA accumulation in different tissues of tomato, with each row denoting a 24-PHAS locus. b A representative locus generating 24-nt phasiRNAs in tomato. Distribution of sRNAs (above) and deduced phasing score (below) are viewed along the coordinates of the PHAS locus, with phasiRNA distribution in registers displayed in a radar plot on the left. c A hypothesis for the generation of 24-nt phasiRNAs with a 12-nt phasing pattern. Cis activity of either strand of a 24-nt phasiRNA duplex could trigger secondary phasing with a 12-nt shift to the primary 24-nt phase. The combination of the primary and secondary phases leads to the formation of the 12-nt phase pattern