Figure 3

Prevalence distribution of the cluster size. The initial 8696 ESTs were grouped into 3416 clusters, consisting of 25 clusters (2257 of 8696 ESTs) that compromised of more than 50 ESTs each cluster, 39 clusters contained 20~49 ESTs (1153 of 8696 ESTs), 75 clusters contained 10~19 ESTs (1029 of 8696 ESTs), 445 clusters comprised 2~9 ESTseach cluster (1425 of 8696 ESTs), and 2832 unique sequence.