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. 2013 Oct 2;6:32. doi: 10.3389/fnmol.2013.00032

FIGURE 1.

FIGURE 1

Effect of genomic variations on long-range DNA interactions between remote regulatory elements and miRNA genes. (A) DNA looping allows factors associated with distant regulatory element(s) to bind miRNA consensus sequences and control gene expression. (B,C) Scenarios that depict the effect of DNA insertions and deletions on the repositioning of the remote regulatory element(s) and eventual loss of physiological control mechanism.