Additional file 5.

(a) Distributions of the number of small RNA clusters in 84 Arabidopsis cis-NATs. The red line represents the separation between site-specific (left) and distributed (right) patterns. (b) The plot of two metrics of 84 cis-NATs in Arabidopsis. Each dot represents the number of clusters within the cis-NAT whole region and the percentage of small RNA reads in all clusters. The red dots in the rectangle were classified as site-specific patterns, whereas the blue dots were distributed patterns, represented by a linear correlated line.

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Zhang et al. Genome Biology 2012 13:R20   doi:10.1186/gb-2012-13-3-r20