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. 2005 Dec 20;4(1):e5. doi: 10.1371/journal.pbio.0040005

Figure 3. Schematic of the MULE Elements from Rice (Os493) and Setaria faberi (Sf4).

Figure 3

Black blocks represent regions deleted in one or the other sequence. Grey blocks represent putative introns, which are numbered in the Setaria and rice elements with Roman numerals I–III. The second intron is collinear with the third intron in mudrA from maize. The mudrA introns are numbered 1–3. Shaded blocks on the ends of the elements indicate the terminal inverted repeats. For comparison, the 5' end of MuDR from maize (which includes the mudrA gene) is also included. Note that only the third intron of the mudrA gene and the third intron in the rice and Setaria is present in all three elements. The position of the RF2 and RR2 PCR primers are as indicated on the MuDR element. Stops and frameshifts in the Setaria and rice element (assuming introns are spliced) are at the positions indicated. Dotted lines connecting MuDR to Sf4 indicate regions of similarity.