SGD Paper 
Jessen WJ, et al. (2006) Active PHO5 chromatin encompasses variable numbers of nucleosomes at individual promoters. Nat Struct Mol Biol 13(3):256-63
Abstract: Transcriptional activation is often associated with chromatin remodeling. However, little is known about the dynamics of remodeling of nucleosome arrays in vivo. Upon induction of Saccharomyces cerevisiae PHO5, a novel kinetic assay of DNA methyltransferase accessibility showed that nucleosomes adjacent to the histone-free upstream activating sequence (UASp1) are disrupted earlier and at higher frequency in the cell population than are those more distal. Individually cloned molecules, each representing the chromatin state of a full promoter from a single cell, revealed multiple promoter classes with either no remodeling or variable numbers of disrupted nucleosomes. Individual promoters in the remodeled fraction were highly enriched for contiguous blocks of disrupted nucleosomes, the majority of which overlapped the UAS region. These results support a probabilistic model in which chromatin remodeling at PHO5 spreads from sites of transactivator association with DNA and attenuates with distance.
| Status: Published | Type: Journal Article | PubMed ID: 16491089 |
Topics addressed in this paper
Number of different genes curated to this paper: 2
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