Dimova D, et al. (1999) A role for transcriptional repressors in targeting the yeast Swi/Snf complex. Mol Cell 4(1):75-83
Abstract: Genetic and biochemical studies indicate that the evolutionarily conserved Swi/Snf complex acts at a subset of genes to help transcriptional activators function on chromatin templates. The mechanism by which this complex is targeted to specific chromosomal loci remains unknown. We show that Swi/Snf is required for expression of the yeast histone HTA1-HTB1 locus because of the role of Hir1p and Hir2p corepressors in negatively regulating transcription. Snf5p, Snf2p/Swi2p, and Swi3p, three components of the yeast Swi/Snf complex, coimmunoprecipitate with each Hir protein, and Snf5p is maximally associated with the HTA1-HTB1 promoter when the Hir-based repression system is intact and the Swi/Snf complex is functional. The data support a role for the Hir repressors in the gene-specific targeting of Swi/Snf.
|Status: Published||Type: Journal Article||PubMed ID: 10445029|
Topics addressed in this paper
Number of different genes curated to this paper: 7
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