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. Author manuscript; available in PMC: 2009 Dec 11.
Published in final edited form as: Nature. 2009 Jun 11;459(7248):802–807. doi: 10.1038/nature08085

Figure 2. The X core element of telomeres shows silencing defects in old cells.

Figure 2

(a) Schematic showing the positions (#1 to #5) of URA3 gene insertions near telomere TEL11L29. (b) Silencing assay for young and old cells of strains bearing URA3 gene insertions as shown in (a). The extent of silencing is expressed as the fraction of cells resistant to 5-FOA (n=4, error bars showing standard deviations). Average bud scar counts are listed for old cell samples.