Fig. 6

A probable evolutionary history of nine osa-miR1861 clusters in rice. Relationship among the nine clusters of osa-miR1861 family based on their sequence similarity as depicted by percentage numbers (a). A possible evolutionary path for nine clusters of osa-miR1861 family (b). Octagons and ovals represent the single gene and 2-gene clusters respectively. Arrows show the direction of possible duplication. Duplicated clusters are indicated by the dashed line. The bold line on which the clusters are drawn inaccurately symbolise the different regions of rice genome rather than a chromosome