Journal
GENETICS
Volume 177, Issue 4, Pages 2541-2546Publisher
GENETICS SOCIETY AMERICA
DOI: 10.1534/genetics.107.079806
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In SaccharoMyccs cerevisiae, genes Placed near telomeres are transcriptionally repressed (telomere position effect, TPE). Although telomeric DNA sequence is the same at all chromosome ends, the subtelomeric elements (STEs) and level of TPE vary front telomere to telomere. We tested whether STEs determine TPE levels. STEs contributed to TPE, as deleting the X element from the VI-R telomere modestly decreased silencing at this telomere. However, STEs were not the major determinant of TPE levels, as insetting the VI-R X element at the truncated VII-L telomere did not increase TPE. These data suggest. that the TPE levels of individual telomeres are dependent on sonic aspect of chromosome context.
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