Crossref journal-article
Cold Spring Harbor Laboratory
Genes & Development (246)
Abstract

We have investigated the mechanism, structural correlates, andcis-acting elements involved in chromatin opening and gene activation, using the human β-globin locus as a model. Full transcriptional activity of the human β-globin locus requires the locus control region (LCR), composed of a series of nuclease hypersensitive sites located upstream of this globin gene cluster. Our previous analysis of naturally occurring and targeted LCR deletions revealed that chromatin opening and transcriptional activity in the endogenous β-globin locus are dissociable and dependent on distinctcis-acting elements. We now report that general histone H3/H4 acetylation and relocation of the locus away from centromeric heterochromatin in the interphase nucleus are correlated and do not require the LCR. In contrast, LCR-dependent promoter activation is associated with localized histone H3 hyperacetylation at the LCR and the transcribed β-globin-promoter and gene. On the basis of these results, we suggest a multistep model for gene activation; localization away from centromeric heterochromatin is required to achieve general hyperacetylation and an open chromatin structure of the locus, whereas a mechanism involving LCR/promoter histone H3 hyperacetylation is required for high-level transcription of the β-globin genes.

Authors 6
  1. Dirk Schübeler (first)
  2. Claire Francastel (additional)
  3. Daniel M. Cimbora (additional)
  4. Andreas Reik (additional)
  5. David I.K. Martin (additional)
  6. Mark Groudine (additional)
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Dates
Type When
Created 3 years, 9 months ago (Nov. 14, 2021, 10:30 p.m.)
Deposited 3 years, 9 months ago (Nov. 14, 2021, 10:32 p.m.)
Indexed 2 weeks, 5 days ago (Aug. 7, 2025, 4:25 p.m.)
Issued 25 years, 4 months ago (April 15, 2000)
Published 25 years, 4 months ago (April 15, 2000)
Published Online 25 years, 4 months ago (April 15, 2000)
Published Print 25 years, 4 months ago (April 15, 2000)
Funders 0

None

@article{Sch_beler_2000, title={Nuclear localization and histone acetylation: a pathway for chromatin opening and transcriptional activation of the human β-globin locus}, volume={14}, ISSN={1549-5477}, url={http://dx.doi.org/10.1101/gad.14.8.940}, DOI={10.1101/gad.14.8.940}, number={8}, journal={Genes &amp; Development}, publisher={Cold Spring Harbor Laboratory}, author={Schübeler, Dirk and Francastel, Claire and Cimbora, Daniel M. and Reik, Andreas and Martin, David I.K. and Groudine, Mark}, year={2000}, month=apr, pages={940–950} }