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. 2011 Sep 16;6(9):e24835. doi: 10.1371/journal.pone.0024835

Figure 4. A single boundary element can counteract the silencing of the URA3 reporter by either E or I silencer.

Figure 4

Single BE (shown by arrows) either STAR (S) or TEF2-UASrpg (T) were examined in the presence of a single E silencer (A–E) or a single I silencer (F–J) in different orientations. The URA3 reporter gene expression status (on or off) was assayed as in Figure 2.